[Lift] Documentation for 1.1
I am writing here to get a dialog going about the changes from 1.0 to 1.1. I mistakenly filed a ticket on the subject but was wondering if there could be some documentation done with all of the new/changed features in 1.1. Most of the time the changes and additions are mentioned here but there are times that a feature is added and it's only talked about when someone asks about it. I was wondering if a current commiter or possibly bring one on board with the idea of fleshing out the documentation. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Next Lift version will be 2.0
Lifters, Maybe you followed the discussion about the versioning policy for Lift. The committers finally decided to have a well defined versioning policy which you can take from here: http://wiki.github.com/dpp/liftweb/about-versioning-policy. Following this policy the next Lift version will be 2.0, not 1.1, because there are numerous changes and enhancements breaking the source compatibility. As soon as we change the version numbers in the Maven POMs, we will let you know via the lift-announce mailing list. Best regards, Heiko My job: weiglewilczek.com My blog: heikoseeberger.name Follow me: twitter.com/hseeberger OSGi on Scala: scalamodules.org Lift, the simply functional web framework: liftweb.net -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] seeing JVM BUG(s) - cancelling interestOps==0
Hi David, Thank you for your reply. On Mon, Dec 7, 2009 at 2:27 PM, David Pollak feeder.of.the.be...@gmail.comwrote: On Sun, Dec 6, 2009 at 10:21 PM, Xuefeng Wu ben...@gmail.com wrote: Hi, I always find the information from console: seeing JVM BUG(s) - cancelling interestOps==0 What's the reason? I use jetty 6.1.21, and I'm afraid it will cause serious error if I deploy the liftweb app in IBM WAS(WebSphere App Server) http://dev.eclipse.org/mhonarc/lists/jetty-commit/msg00154.html Looks like Jetty is detecting and working around a bug in the JVM: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6403933 -- Scala中文社区: http://groups.google.com/group/scalacn -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Scala中文社区: http://groups.google.com/group/scalacn -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Next Lift version will be 2.0
Heiko, This is great - can you work with IRC to arrange a time to changes the poms to 2.0-SNAPSHOT? Cheers, Tim On 7 Dec 2009, at 08:32, Heiko Seeberger wrote: Lifters, Maybe you followed the discussion about the versioning policy for Lift. The committers finally decided to have a well defined versioning policy which you can take from here: http://wiki.github.com/dpp/liftweb/about-versioning-policy. Following this policy the next Lift version will be 2.0, not 1.1, because there are numerous changes and enhancements breaking the source compatibility. As soon as we change the version numbers in the Maven POMs, we will let you know via the lift-announce mailing list. Best regards, Heiko My job: weiglewilczek.com My blog: heikoseeberger.name Follow me: twitter.com/hseeberger OSGi on Scala: scalamodules.org Lift, the simply functional web framework: liftweb.net -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Documentation for 1.1
Randinn, This is already slated for 1.1/2.0 release... dont worry we are getting to it :-) Cheers, Tim On 7 Dec 2009, at 08:09, Randinn wrote: I am writing here to get a dialog going about the changes from 1.0 to 1.1. I mistakenly filed a ticket on the subject but was wondering if there could be some documentation done with all of the new/changed features in 1.1. Most of the time the changes and additions are mentioned here but there are times that a feature is added and it's only talked about when someone asks about it. I was wondering if a current commiter or possibly bring one on board with the idea of fleshing out the documentation. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] How do I go about implementing my own auth?
Basically here's what I want to accomplish:
1. I want the user to login through a simple form on /index.html -
this is the only unprotected page on the site. User does not have a
user name, the only field is a password.
2. I want to store the user role (along with some other state data) in
the user session
3. If user tries to access any page other than index.html, I want to
redirect to /index.html
After stumbling for a while due to scarcity of documentation, I have
done the following:
In Boot.scala:
LiftRules.httpAuthProtectedResource.prepend {
case ParsePath(index :: Nil, html, true, false) =
Empty
case _ = Full(AuthRole(admin))
}
LiftRules.authentication = SessionAuthentication()
InSessionAuthentication.scala:
case class SessionAuthentication extends HttpAuthentication {
def verified_? = { case(req) = {
// TODO: Prefetch from DB here
true
}
}
}
It is my understanding that this should not ask for auth at all. In
reality, it doesn't ask for auth on /index.html, but DOES ask for
Basic auth (through a browser popup) on any other page.
What am I doing wrong, and how do I make it right?
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Re: [Lift] Managing templates with associated snippets?
Hi Liam. To the best of my knowledge, there is no any plugin for IntelliJ which supports some Lift-specific functionality. So it would be great if one stated what kind of Lift support must be present in the working Scala plugin. Cheers! Ilya 2009/12/6 Liam Clarke ml.cyre...@gmail.com Hi all, I'm quite new to Lift, just working my way through a basic web-app using the book, and my background is Django for fun, and Wicket at work, so I'm probably writing code that resembles both of those, but isn't necessarily ideal for Lift. I was just wondering about how experienced Lift users manage their snippets and templates - do you, as a matter of course break them down into components, where one template corresponds to one snippet method call, like Wicket's panels, or is it normal to only separate out repeatedly used snippet templates, and just inline the one-use ones? I'm asking because I note that I changed the prefix used on the inner children of a template, my binding in the snippet will break, so there's a tight coupling there, which is fine, but I just want to be able to represent that coupling in my code's structure, sorta like how a Wicket component's mark-up has the same name as the class and occurs right beside it in the package. Also, I'm using Intellij IDEA 8, which is near seamless with the Scala and Maven support, but is there any additional Lift specific plugins about for Intellij? I can't find any, but I figure there might be an early alpha about - I only really want one for making Intellij aware of the template/snippet bindings. Thanks in advance, Liam Clarke -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Documentation for 1.1
Something like This Week in Lift master would help. http://suitmymind.com/blog/2009/01/22/this-week-in-edge-cappuccino/ On Dec 7, 5:55 am, Timothy Perrett timo...@getintheloop.eu wrote: Randinn, This is already slated for 1.1/2.0 release... dont worry we are getting to it :-) Cheers, Tim On 7 Dec 2009, at 08:09, Randinn wrote: I am writing here to get a dialog going about the changes from 1.0 to 1.1. I mistakenly filed a ticket on the subject but was wondering if there could be some documentation done with all of the new/changed features in 1.1. Most of the time the changes and additions are mentioned here but there are times that a feature is added and it's only talked about when someone asks about it. I was wondering if a current commiter or possibly bring one on board with the idea of fleshing out the documentation. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: (Maybe it's a bug ?) About the Schedule's execute counts in the ActorComet
I think maybe it's a bug ~?
Btw, Does anybody know how to convert the CometActor to LiftActor.
And how the write the render method and use the ActorPing.schedule
(this, Tick, 10 seconds)
in LiftActor.
Thanks for any suggestion!
Cheers,
Neil
###
package com.liftcode.comet
import net.liftweb._
import http._
import js._
import JsCmds._
import net.liftweb.common._
import net.liftweb.util._
import Helpers._
import net.liftweb.http._
import _root_.scala.xml._
import scala.actors._
import scala.collection.mutable.Queue
import net.liftweb.http.SessionVar
case class Foo(getValue: String)
object FooManager {
private var foos: List[Foo] = Nil
def getFoos: List[Foo] = synchronized {
println( foos size: + foos.size)
foos ::= Foo(System.currentTimeMillis.toString)
foos
}
}
class MyComet extends CometActor {
override def defaultPrefix = Full(auth)
private var foos = FooManager.getFoos
def createDisplay(foos:List[Foo]):NodeSeq = {
span id=gotable
{
for {foo - foos} yield trtd{foo.getValue}/td/tr
}
/table/span
}
def render = { bind(foo - createDisplay(foos)) }
override def localSetup = {
println( localSetup: )
super.localSetup
this ! Tick
}
override def lowPriority = {
case Tick = {
println( Tick )
foos = FooManager.getFoos
reRender(false)
ActorPing.schedule(this, Tick, 10 seconds)
}
}
}
case object Tick
###
On Dec 7, 9:40 pm, Neil.Lv anim...@gmail.com wrote:
Here is the server log,
###
INFO - Service request (GET) /comet_request/27036331510/b0iubsv7usc1
took 0 Mill
iseconds
INFO - Service request (GET) /comet_request/24195135706/1geup5f5uelih
took 0 Mil
liseconds
INFO - Service request (GET) /comet_request/15421125743/b0iubsv7usc1
took 0 Mill
iseconds
INFO - Service request (GET) /comet_request/4886038816/b0iubsv7usc1
took 15 Mill
iseconds
INFO - Service request (GET) /comet_request/70554035677/b0iubsv7usc1
took 0 Mill
iseconds
INFO - Service request (GET) /comet_request/80058340958/b0iubsv7usc1
took 0 Mill
iseconds
INFO - Service request (GET) /comet_request/16073680948/b0iubsv7usc1
took 0 Mill
iseconds
INFO - Service request (GET) /comet_request/48475840285/b0iubsv7usc1
took 16 Mil
liseconds
###
I set the time is 10 seconds, but here is wrong.
Does anybody know about the issue ?
Cheers,
Neil
On Dec 4, 3:00 pm, Neil.Lv anim...@gmail.com wrote:
Hi all,
Here is an example code that about the ActorComet.
###
package com.liftcode.comet
import net.liftweb._
import http._
import js._
import JsCmds._
import net.liftweb.common._
import net.liftweb.util._
import Helpers._
import net.liftweb.http._
import _root_.scala.xml._
import scala.actors._
import scala.collection.mutable.Queue
import net.liftweb.http.SessionVar
case class Foo(getValue: String)
object FooManager {
private var foos: List[Foo] = Nil
def getFoos: List[Foo] = synchronized {
println( foos size: + foos.size)
foos ::= Foo(System.currentTimeMillis.toString)
foos
}
}
class MyComet extends CometActor {
override def defaultPrefix = Full(auth)
private var foos = FooManager.getFoos
def createDisplay(foos:List[Foo]):NodeSeq = {
span id=gotable
{
for {foo - foos} yield trtd{foo.getValue}/td/tr
}
/table/span
}
def render = { bind(foo - createDisplay(foos)) }
override def localSetup = {
println( localSetup: )
super.localSetup
this ! Tick
}
override def lowPriority = {
case Tick = {
println( Tick )
foos = FooManager.getFoos
reRender(false)
ActorPing.schedule(this, Tick, 10 seconds)
}
}
}
case object Tick
###
When i run mvn jetty:run to start the server, and type
thehttp://localhost:8080inthe browser.
The result will be like this, the println( Tick ) method
only execute 1 time every 10 seconds.
###
INFO - Service request (GET) /comet_request/50054201120/farmqqw03xkm
took 46 Mil
liseconds
Tick
foos size: 2
INFO - Service request (GET) /comet_request/87077494133/farmqqw03xkm
took 8625 M
###
Then i don't close the browser, and Ctrl+C stop the jetty server,
and mvn jetty:run restart the server, the result will be like this:
The println( Tick ) method will be execute 3 times every
10 seconds.
###
INFO - Service request (GET) /comet_request/74875169086/farmqqw03xkm
took 0 Mill
iseconds
foos size: 8
localSetup:
Tick
foos size: 9
INFO - Service request (GET) / took 109 Milliseconds
foos size: 10
localSetup:
Tick
foos size: 11
INFO - Service request (GET) / took 31 Milliseconds
###
I don't know what's wrong with it .
If when you stop the
[Lift] Re: How do I go about implementing my own auth?
On Dec 7, 1:09 pm, DMB combust...@gmail.com wrote:
Basically here's what I want to accomplish:
1. I want the user to login through a simple form on /index.html -
this is the only unprotected page on the site. User does not have a
user name, the only field is a password.
2. I want to store the user role (along with some other state data) in
the user session
3. If user tries to access any page other than index.html, I want to
redirect to /index.html
After stumbling for a while due to scarcity of documentation, I have
done the following:
In Boot.scala:
LiftRules.httpAuthProtectedResource.prepend {
case ParsePath(index :: Nil, html, true, false) =
Empty
case _ = Full(AuthRole(admin))
}
LiftRules.authentication = SessionAuthentication()
InSessionAuthentication.scala:
case class SessionAuthentication extends HttpAuthentication {
def verified_? = { case(req) = {
// TODO: Prefetch from DB here
true
}
}
}
It is my understanding that this should not ask for auth at all. In
reality, it doesn't ask for auth on /index.html, but DOES ask for
Basic auth (through a browser popup) on any other page.
What am I doing wrong, and how do I make it right?
Your are seeing the browser's credentials popup because of :
def unauthorizedResponse: UnauthorizedResponse = UnauthorizedResponse
(realm)
from HttpAuthentication trait. You can override this and subclass
UnauthorizedResponse with your own LiftResponse if you want other type
of response than 401. You can also protect your resources using
HttpAuthProtected LocParam that you can use when you specify your
SiteMap in the Loc construction.
This is one approach.
Another one, probably more suitable for login forms, is to look into
Mapper support for that (I think it's called MetaMegaProtoUser ? )
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Re: [Lift] Next Lift version will be 2.0
Heiko, Thank you for shepherding this issue through and giving us a sane and well defined naming process. Thanks, David On Mon, Dec 7, 2009 at 12:32 AM, Heiko Seeberger heiko.seeber...@googlemail.com wrote: Lifters, Maybe you followed the discussion about the versioning policy for Lift. The committers finally decided to have a well defined versioning policy which you can take from here: http://wiki.github.com/dpp/liftweb/about-versioning-policy. Following this policy the next Lift version will be 2.0, not 1.1, because there are numerous changes and enhancements breaking the source compatibility. As soon as we change the version numbers in the Maven POMs, we will let you know via the lift-announce mailing list. Best regards, Heiko My job: weiglewilczek.com My blog: heikoseeberger.name Follow me: twitter.com/hseeberger OSGi on Scala: scalamodules.org Lift, the simply functional web framework: liftweb.net -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] re: error when using maven to create LIFT project
For some reason I am having an error while trying to create my project. It
appears I need a JPA project, as this project will have many tables
involved, but I get the same error when I try:
lift-archetype-jpa-basic
-blank
-basic
-blank
I have also tried -Dversion=1.1-SNAPSHOT, but that also didn't work.
If it matters here is the result for
mvn -v
Apache Maven 2.2.0 (r788681; 2009-06-26 09:04:01-0400)
Java version: 1.6.0_16
Java home: C:\Program Files\Java\jdk1.6.0_16\jre
Default locale: en_US, platform encoding: Cp1252
OS name: windows vista version: 6.0 arch: amd64 Family: windows
mvn archetype:generate -U -B -DarchetypeRepository=
http://scala-tools.org/repo-snapshots -DremoteRepositories=
http://scala-tools.org/repo-snapshots -DarchetypeGroupId=net.liftweb
-DarchetypeArtifactId=lift-archetype-jpa-basic
-DarchetypeVersion=1.1-SNAPSHOT -DgroupId=jblack.resumeapp.lift
-DartifactId=ResumeApp -Dversion=1.0-SNAPSHOT
[INFO] Scanning for projects...
[INFO] Searching repository for plugin with prefix: 'archetype'.
[INFO] org.apache.maven.plugins: checking for updates from central
[INFO] org.codehaus.mojo: checking for updates from central
[INFO] artifact org.apache.maven.plugins:maven-archetype-plugin: checking
for updates from central
[INFO]
[INFO] Building Maven Default Project
[INFO]task-segment: [archetype:generate] (aggregator-style)
[INFO]
[INFO] Preparing archetype:generate
[INFO] No goals needed for project - skipping
[INFO] Setting property: classpath.resource.loader.class =
'org.codehaus.plexus.velocity.ContextClassLoaderResourceLoader'.
[INFO] Setting property: velocimacro.messages.on = 'false'.
[INFO] Setting property: resource.loader = 'classpath'.
[INFO] Setting property: resource.manager.logwhenfound = 'false'.
[INFO] [archetype:generate {execution: default-cli}]
[INFO] Generating project in Batch mode
[INFO] Archetype defined by properties
[INFO] snapshot net.liftweb:lift-archetype-jpa-basic:1.1-SNAPSHOT: checking
for updates from lift-archetype-jpa-basic-repo
Downloading:
http://scala-tools.org/repo-snapshots/net/liftweb/lift-archetype-jpa-basic/1.1-SNAPSHOT/lift-archetype-jpa-basic-1.1-SNAPSHOT.jar
[WARNING] PT Don't override file C:\Users\owner\workspace\ResumeApp\pom.xml
[INFO]
[INFO] BUILD SUCCESSFUL
[INFO]
[INFO] Total time: 9 seconds
[INFO] Finished at: Mon Dec 07 10:07:13 EST 2009
[INFO] Final Memory: 15M/106M
[INFO]
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Re: [Lift] re: error when using maven to create LIFT project
James,
1. For the kind of application you have in mind you can use either
mapper or jpa. So either lift-archetype-basic or
lift-archetype-jpa-basic would do.
2. You have indeed used the right command and have created the project
successfully. Next up:
(a) You should see the ResumeApp directory containing your project. Move
to that directory and execute mvn install. This should compile package
and install the application (including the two packages spa and web that
resides inside).
(b) Once done, move to the sub-directory web and execute mvn jetty:run.
(c) Finally, visit the url http://localhost:9090/ and profit!
Cheers, Indrajit
On 07/12/09 8:45 PM, James Black wrote:
For some reason I am having an error while trying to create my project.
It appears I need a JPA project, as this project will have many tables
involved, but I get the same error when I try:
lift-archetype-jpa-basic
-blank
-basic
-blank
I have also tried -Dversion=1.1-SNAPSHOT, but that also didn't work.
If it matters here is the result for
mvn -v
Apache Maven 2.2.0 (r788681; 2009-06-26 09:04:01-0400)
Java version: 1.6.0_16
Java home: C:\Program Files\Java\jdk1.6.0_16\jre
Default locale: en_US, platform encoding: Cp1252
OS name: windows vista version: 6.0 arch: amd64 Family: windows
mvn archetype:generate -U -B
-DarchetypeRepository=http://scala-tools.org/repo-snapshots
-DremoteRepositories=http://scala-tools.org/repo-snapshots
-DarchetypeGroupId=net.liftweb
-DarchetypeArtifactId=lift-archetype-jpa-basic
-DarchetypeVersion=1.1-SNAPSHOT -DgroupId=jblack.resumeapp.lift
-DartifactId=ResumeApp -Dversion=1.0-SNAPSHOT
[INFO] Scanning for projects...
[INFO] Searching repository for plugin with prefix: 'archetype'.
[INFO] org.apache.maven.plugins: checking for updates from central
[INFO] org.codehaus.mojo: checking for updates from central
[INFO] artifact org.apache.maven.plugins:maven-archetype-plugin:
checking for updates from central
[INFO]
[INFO] Building Maven Default Project
[INFO]task-segment: [archetype:generate] (aggregator-style)
[INFO]
[INFO] Preparing archetype:generate
[INFO] No goals needed for project - skipping
[INFO] Setting property: classpath.resource.loader.class =
'org.codehaus.plexus.velocity.ContextClassLoaderResourceLoader'.
[INFO] Setting property: velocimacro.messages.on = 'false'.
[INFO] Setting property: resource.loader = 'classpath'.
[INFO] Setting property: resource.manager.logwhenfound = 'false'.
[INFO] [archetype:generate {execution: default-cli}]
[INFO] Generating project in Batch mode
[INFO] Archetype defined by properties
[INFO] snapshot net.liftweb:lift-archetype-jpa-basic:1.1-SNAPSHOT:
checking for updates from lift-archetype-jpa-basic-repo
Downloading:
http://scala-tools.org/repo-snapshots/net/liftweb/lift-archetype-jpa-basic/1.1-SNAPSHOT/lift-archetype-jpa-basic-1.1-SNAPSHOT.jar
[WARNING] PT Don't override file C:\Users\owner\workspace\ResumeApp\pom.xml
[INFO]
[INFO] BUILD SUCCESSFUL
[INFO]
[INFO] Total time: 9 seconds
[INFO] Finished at: Mon Dec 07 10:07:13 EST 2009
[INFO] Final Memory: 15M/106M
[INFO]
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Re: [Lift] re: error when using maven to create LIFT project
Thank you.
This is a change, at least from what I have been doing.
Before I would run the generate command.
Then cd into my directory and do, 'mvn jetty:run'
I didn't have to do 'mvn install', but now I know.
Thank you very much.
On Mon, Dec 7, 2009 at 10:34 AM, Indrajit Raychaudhuri
indraj...@gmail.comwrote:
James,
1. For the kind of application you have in mind you can use either
mapper or jpa. So either lift-archetype-basic or
lift-archetype-jpa-basic would do.
2. You have indeed used the right command and have created the project
successfully. Next up:
(a) You should see the ResumeApp directory containing your project. Move
to that directory and execute mvn install. This should compile package
and install the application (including the two packages spa and web that
resides inside).
(b) Once done, move to the sub-directory web and execute mvn jetty:run.
(c) Finally, visit the url http://localhost:9090/ and profit!
Cheers, Indrajit
On 07/12/09 8:45 PM, James Black wrote:
For some reason I am having an error while trying to create my project.
It appears I need a JPA project, as this project will have many tables
involved, but I get the same error when I try:
lift-archetype-jpa-basic
-blank
-basic
-blank
I have also tried -Dversion=1.1-SNAPSHOT, but that also didn't work.
If it matters here is the result for
mvn -v
Apache Maven 2.2.0 (r788681; 2009-06-26 09:04:01-0400)
Java version: 1.6.0_16
Java home: C:\Program Files\Java\jdk1.6.0_16\jre
Default locale: en_US, platform encoding: Cp1252
OS name: windows vista version: 6.0 arch: amd64 Family: windows
mvn archetype:generate -U -B
-DarchetypeRepository=http://scala-tools.org/repo-snapshots
-DremoteRepositories=http://scala-tools.org/repo-snapshots
-DarchetypeGroupId=net.liftweb
-DarchetypeArtifactId=lift-archetype-jpa-basic
-DarchetypeVersion=1.1-SNAPSHOT -DgroupId=jblack.resumeapp.lift
-DartifactId=ResumeApp -Dversion=1.0-SNAPSHOT
[INFO] Scanning for projects...
[INFO] Searching repository for plugin with prefix: 'archetype'.
[INFO] org.apache.maven.plugins: checking for updates from central
[INFO] org.codehaus.mojo: checking for updates from central
[INFO] artifact org.apache.maven.plugins:maven-archetype-plugin:
checking for updates from central
[INFO]
[INFO] Building Maven Default Project
[INFO]task-segment: [archetype:generate] (aggregator-style)
[INFO]
[INFO] Preparing archetype:generate
[INFO] No goals needed for project - skipping
[INFO] Setting property: classpath.resource.loader.class =
'org.codehaus.plexus.velocity.ContextClassLoaderResourceLoader'.
[INFO] Setting property: velocimacro.messages.on = 'false'.
[INFO] Setting property: resource.loader = 'classpath'.
[INFO] Setting property: resource.manager.logwhenfound = 'false'.
[INFO] [archetype:generate {execution: default-cli}]
[INFO] Generating project in Batch mode
[INFO] Archetype defined by properties
[INFO] snapshot net.liftweb:lift-archetype-jpa-basic:1.1-SNAPSHOT:
checking for updates from lift-archetype-jpa-basic-repo
Downloading:
http://scala-tools.org/repo-snapshots/net/liftweb/lift-archetype-jpa-basic/1.1-SNAPSHOT/lift-archetype-jpa-basic-1.1-SNAPSHOT.jar
[WARNING] PT Don't override file
C:\Users\owner\workspace\ResumeApp\pom.xml
[INFO]
[INFO] BUILD SUCCESSFUL
[INFO]
[INFO] Total time: 9 seconds
[INFO] Finished at: Mon Dec 07 10:07:13 EST 2009
[INFO] Final Memory: 15M/106M
[INFO]
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[Lift] Re: Race conditions / database transaction isolation levels
On Dec 6, 9:16 pm, Alex Boisvert alex.boisv...@gmail.com wrote: Lift's mapper doesn't change the default isolation level of your connections, nor does it make explicit use of pessimistic concurrency control. Anything beyond that we can probably implement, we just need a good reason... alex Isn't the possibility of interleaved HTTP requests a sufficient reason? E.g. administrator editing a field near the same time a customer is. Unless the orm is writing everything it reads, even changing transaction isolation to serializable won't prevent certain types of race conditions. It seems like having the option to lock an entity when loading it from the database (implemented as select ... for update) would be useful. I haven't used Rails much, but that's my understanding of what ActiveRecord offers. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: Race conditions / database transaction isolation levels
On Mon, Dec 7, 2009 at 8:02 AM, cody koeninger c...@koeninger.org wrote: On Dec 6, 9:16 pm, Alex Boisvert alex.boisv...@gmail.com wrote: Lift's mapper doesn't change the default isolation level of your connections, nor does it make explicit use of pessimistic concurrency control. Anything beyond that we can probably implement, we just need a good reason... alex Isn't the possibility of interleaved HTTP requests a sufficient reason? E.g. administrator editing a field near the same time a customer is. Unless the orm is writing everything it reads, even changing transaction isolation to serializable won't prevent certain types of race conditions. It seems like having the option to lock an entity when loading it from the database (implemented as select ... for update) would be useful. I haven't used Rails much, but that's my understanding of what ActiveRecord offers. Yes, definitely, it would be useful in some cases.I should have been more clear. When I said we just need a good reason I meant we just need somebody who has a real need for this feature. alex -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Newbie on Lift Scala: Build in class source code?
thanks again to the guys who put their efforts in answering questions here. I'll try a different approach this time. Let's hope I get somewhere since our decision whether we will use lift or not will depends on this. On Dec 7, 4:23 am, Alex Boisvert alex.boisv...@gmail.com wrote: Part of the source for these objects is automatically created when you generate your lift app using the Maven archetype. For example, you'll find the source to the User class unde src/main/scala/com/liftworkshop/model/User.scala. For classes that are part of the framework, such as MegaProtoUser etc. you'll find the source on Github athttp://github.com/dpp/liftweb/and more specifically look at ProtoUser.scala underhttp://github.com/dpp/liftweb/tree/master/lift-persistence/lift-mappe Also be sure to select the branch of Lift that you are using in order to avoid confusion. Good luck and keep asking question ;) alex On Sun, Dec 6, 2009 at 3:54 PM, itsjar its...@gmail.com wrote: Hi, I'm considering building a web application with my software engineering group in Lift. However when I started with lift I was surprised that I received a whole log in / sign up website by just using the MegaProtoUser. This was at first sight fun, but I started wondering (and I'm pretty sure my professor will say the same): Do I really know what I just did?. So I decided to try and rebuild the Log in / Sign up thing from scratch by using my own plain objects. Ive been working on that for 2 days and It's been s frustrating. I've been reading the lift book... Tutorials.. but all of them start with the MegaProtoUser. In 1.5 days time I only managed to make an index (signup) page with a username/password field and a button which then redirects to a new page. Let me tell you in advance, I am totally new to Web developing. Problems I have right now: - I have no idea if my code actually created a User in my database and I have no idea how to check it... - I have no idea how to log in a user. I saw code in the sample programs that compare the current logged in user with other users by using a select statement. However retrieving the current user is based upon the MegaProtoUser. I wonder how this is done behind my back since I have no idea how to keep a variable of a 'logged in user' which stays active across all pages.. Because of these problems I thought it might be useful to see the source code of the classes.. Is it possible to see the scala source code of these classes? Thanks, itsjar -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: Newbie on Lift Scala: Build in class source code?
On Mon, Dec 7, 2009 at 9:14 AM, itsjar its...@gmail.com wrote: thanks again to the guys who put their efforts in answering questions here. I'll try a different approach this time. I would suggest building the To Do app as a first step: http://liftweb.net/docs/getting_started/mod_master.html You'll get a lot of exposure to Lift in bite-sized chunks. Once you've gone through the demo, then you can move on to other things, including building your own authentication system. Why do I suggest this? (1) Learning Scala's syntax and some of Scala's idioms gives you better grounding for understanding ProtoUser (2) seeing how to build simple Mapper classes will give you a better understanding of the more complex ones (3) walking before you run helps you to not fall down and skin your knees. But we are here... the whole 1,500+ member Lift community. We take newbies very seriously and want to help them because we know that they'll help other newbies one day. Thanks, David Let's hope I get somewhere since our decision whether we will use lift or not will depends on this. On Dec 7, 4:23 am, Alex Boisvert alex.boisv...@gmail.com wrote: Part of the source for these objects is automatically created when you generate your lift app using the Maven archetype. For example, you'll find the source to the User class unde src/main/scala/com/liftworkshop/model/User.scala. For classes that are part of the framework, such as MegaProtoUser etc. you'll find the source on Github athttp://github.com/dpp/liftweb/andmore specifically look at ProtoUser.scala underhttp:// github.com/dpp/liftweb/tree/master/lift-persistence/lift-mappe Also be sure to select the branch of Lift that you are using in order to avoid confusion. Good luck and keep asking question ;) alex On Sun, Dec 6, 2009 at 3:54 PM, itsjar its...@gmail.com wrote: Hi, I'm considering building a web application with my software engineering group in Lift. However when I started with lift I was surprised that I received a whole log in / sign up website by just using the MegaProtoUser. This was at first sight fun, but I started wondering (and I'm pretty sure my professor will say the same): Do I really know what I just did?. So I decided to try and rebuild the Log in / Sign up thing from scratch by using my own plain objects. Ive been working on that for 2 days and It's been s frustrating. I've been reading the lift book... Tutorials.. but all of them start with the MegaProtoUser. In 1.5 days time I only managed to make an index (signup) page with a username/password field and a button which then redirects to a new page. Let me tell you in advance, I am totally new to Web developing. Problems I have right now: - I have no idea if my code actually created a User in my database and I have no idea how to check it... - I have no idea how to log in a user. I saw code in the sample programs that compare the current logged in user with other users by using a select statement. However retrieving the current user is based upon the MegaProtoUser. I wonder how this is done behind my back since I have no idea how to keep a variable of a 'logged in user' which stays active across all pages.. Because of these problems I thought it might be useful to see the source code of the classes.. Is it possible to see the scala source code of these classes? Thanks, itsjar -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com liftweb%2bunsubscr...@googlegroups.comliftweb%252bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: How can one bind value-less attributes?
On Sun, Dec 6, 2009 at 8:28 PM, David Pollak feeder.of.the.be...@gmail.comwrote: On Sun, Dec 6, 2009 at 7:25 PM, Alex Boisvert alex.boisv...@gmail.comwrote: Using the latest and greatest (master branch), I can't reproduce the MatchError but I can reproduce the issue with the attribute being generated if the value is null. How about adding a Box alternative rather than perpetuating a paradigm based on null? Yes, that's better. I'll do that. [Side diatribe: Can't wait for a working scala.NotNull so we can implicitly convert (non-null) literal values to Some() or Full() instance and reduce verbosity] alex -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: How can one bind value-less attributes?
On Mon, Dec 7, 2009 at 9:22 AM, Alex Boisvert alex.boisv...@gmail.comwrote: On Sun, Dec 6, 2009 at 8:28 PM, David Pollak feeder.of.the.be...@gmail.com wrote: On Sun, Dec 6, 2009 at 7:25 PM, Alex Boisvert alex.boisv...@gmail.comwrote: Using the latest and greatest (master branch), I can't reproduce the MatchError but I can reproduce the issue with the attribute being generated if the value is null. How about adding a Box alternative rather than perpetuating a paradigm based on null? Yes, that's better. I'll do that. [Side diatribe: Can't wait for a working scala.NotNull so we can implicitly convert (non-null) literal values to Some() or Full() instance and reduce verbosity] Mmmm sweet tasty NotNull. alex -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: How can one bind value-less attributes?
I looked at adding a Box variant, but it wasn't a strictly speaking trivial change since calcValue on BindParam is of type NodeSeq. I guess it could become Box[NodeSeq] and then when binding at element positions convert that to NodeSeq.Empty, but I also have had the need (which I've worked around) to be able to replace a single bound attribute with multiple result attributes, so I was thinking that it would be best to allow AttrBindParams to generate MetaData, not just a value. I had written some code to play with this idea, but I didn't get too far because I was busy and needed feedback from other committers. I can return it to working tonight if there's interest. -Ross On Dec 7, 2009, at 12:22 PM, Alex Boisvert wrote: On Sun, Dec 6, 2009 at 8:28 PM, David Pollak feeder.of.the.be...@gmail.com wrote: On Sun, Dec 6, 2009 at 7:25 PM, Alex Boisvert alex.boisv...@gmail.com wrote: Using the latest and greatest (master branch), I can't reproduce the MatchError but I can reproduce the issue with the attribute being generated if the value is null. How about adding a Box alternative rather than perpetuating a paradigm based on null? Yes, that's better. I'll do that. [Side diatribe: Can't wait for a working scala.NotNull so we can implicitly convert (non-null) literal values to Some() or Full() instance and reduce verbosity] alex -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en . -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: (Maybe it's a bug ?) About the Schedule's execute counts in the ActorComet
Hi David,
The demo is sent to you, please check it.
Thanks !
Cheers,
Neil
On Dec 7, 10:26 pm, David Pollak feeder.of.the.be...@gmail.com
wrote:
On Mon, Dec 7, 2009 at 5:45 AM, Neil.Lv anim...@gmail.com wrote:
I think maybe it's a bug ~?
Btw, Does anybody know how to convert the CometActor to LiftActor.
A CometActor is a subclass of LiftActor
If you can package up a complete simple implementation of the problem (an
app I can run with mvn jetty:run), I'll take a look at it.
And how the write the render method and use the ActorPing.schedule
(this, Tick, 10 seconds)
in LiftActor.
Thanks for any suggestion!
Cheers,
Neil
###
package com.liftcode.comet
import net.liftweb._
import http._
import js._
import JsCmds._
import net.liftweb.common._
import net.liftweb.util._
import Helpers._
import net.liftweb.http._
import _root_.scala.xml._
import scala.actors._
import scala.collection.mutable.Queue
import net.liftweb.http.SessionVar
case class Foo(getValue: String)
object FooManager {
private var foos: List[Foo] = Nil
def getFoos: List[Foo] = synchronized {
println( foos size: + foos.size)
foos ::= Foo(System.currentTimeMillis.toString)
foos
}
}
class MyComet extends CometActor {
override def defaultPrefix = Full(auth)
private var foos = FooManager.getFoos
def createDisplay(foos:List[Foo]):NodeSeq = {
span id=gotable
{
for {foo - foos} yield trtd{foo.getValue}/td/tr
}
/table/span
}
def render = { bind(foo - createDisplay(foos)) }
override def localSetup = {
println( localSetup: )
super.localSetup
this ! Tick
}
override def lowPriority = {
case Tick = {
println( Tick )
foos = FooManager.getFoos
reRender(false)
ActorPing.schedule(this, Tick, 10 seconds)
}
}
}
case object Tick
###
On Dec 7, 9:40 pm, Neil.Lv anim...@gmail.com wrote:
Here is the server log,
###
INFO - Service request (GET) /comet_request/27036331510/b0iubsv7usc1
took 0 Mill
iseconds
INFO - Service request (GET) /comet_request/24195135706/1geup5f5uelih
took 0 Mil
liseconds
INFO - Service request (GET) /comet_request/15421125743/b0iubsv7usc1
took 0 Mill
iseconds
INFO - Service request (GET) /comet_request/4886038816/b0iubsv7usc1
took 15 Mill
iseconds
INFO - Service request (GET) /comet_request/70554035677/b0iubsv7usc1
took 0 Mill
iseconds
INFO - Service request (GET) /comet_request/80058340958/b0iubsv7usc1
took 0 Mill
iseconds
INFO - Service request (GET) /comet_request/16073680948/b0iubsv7usc1
took 0 Mill
iseconds
INFO - Service request (GET) /comet_request/48475840285/b0iubsv7usc1
took 16 Mil
liseconds
###
I set the time is 10 seconds, but here is wrong.
Does anybody know about the issue ?
Cheers,
Neil
On Dec 4, 3:00 pm, Neil.Lv anim...@gmail.com wrote:
Hi all,
Here is an example code that about the ActorComet.
###
package com.liftcode.comet
import net.liftweb._
import http._
import js._
import JsCmds._
import net.liftweb.common._
import net.liftweb.util._
import Helpers._
import net.liftweb.http._
import _root_.scala.xml._
import scala.actors._
import scala.collection.mutable.Queue
import net.liftweb.http.SessionVar
case class Foo(getValue: String)
object FooManager {
private var foos: List[Foo] = Nil
def getFoos: List[Foo] = synchronized {
println( foos size: + foos.size)
foos ::= Foo(System.currentTimeMillis.toString)
foos
}
}
class MyComet extends CometActor {
override def defaultPrefix = Full(auth)
private var foos = FooManager.getFoos
def createDisplay(foos:List[Foo]):NodeSeq = {
span id=gotable
{
for {foo - foos} yield trtd{foo.getValue}/td/tr
}
/table/span
}
def render = { bind(foo - createDisplay(foos)) }
override def localSetup = {
println( localSetup: )
super.localSetup
this ! Tick
}
override def lowPriority = {
case Tick = {
println( Tick )
foos = FooManager.getFoos
reRender(false)
ActorPing.schedule(this, Tick, 10 seconds)
}
}
}
case object Tick
###
When i run mvn jetty:run to start the server, and type
thehttp://localhost:8080inthebrowser.
The result will be like this, the println( Tick ) method
only execute 1 time every 10 seconds.
###
INFO - Service request (GET) /comet_request/50054201120/farmqqw03xkm
took 46 Mil
liseconds
Tick
foos size: 2
INFO - Service request (GET) /comet_request/87077494133/farmqqw03xkm
took 8625 M
###
Then i don't
Re: [Lift] Next Lift version will be 2.0
Heiko, Grand stuff! Indeed, I was wondering if we could sync this up with the Round 2 of Refactoring exercise (http://groups.google.com/group/liftweb/browse_thread/thread/450a3e741999b5df). New structure, new version. I am working on this refactoring in a private copy and am planning to publish the branch once M8 is out (assuming original schedule of 2 weeks from 27th Nov). Would this work with you? Cheers, Indrajit On 07/12/09 4:23 PM, Timothy Perrett wrote: Heiko, This is great - can you work with IRC to arrange a time to changes the poms to 2.0-SNAPSHOT? Cheers, Tim On 7 Dec 2009, at 08:32, Heiko Seeberger wrote: Lifters, Maybe you followed the discussion about the versioning policy for Lift. The committers finally decided to have a well defined versioning policy which you can take from here: http://wiki.github.com/dpp/liftweb/about-versioning-policy. Following this policy the next Lift version will be 2.0, not 1.1, because there are numerous changes and enhancements breaking the source compatibility. As soon as we change the version numbers in the Maven POMs, we will let you know via the lift-announce mailing list. Best regards, Heiko My job: weiglewilczek.com http://weiglewilczek.com/ My blog: heikoseeberger.name http://heikoseeberger.name/ Follow me: twitter.com/hseeberger http://twitter.com/hseeberger OSGi on Scala: scalamodules.org http://scalamodules.org/ Lift, the simply functional web framework: liftweb.net http://liftweb.net/ -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to liftweb@googlegroups.com mailto:liftweb@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com mailto:liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] S.class
Hi, I've been diving into the S class to learn and I just tried to add some functions of it in a snippet to see if it works. The weird thing is (which is probably not weird but doesn't seem intuitive to me) that adding S.location in a snippet gives me an error message error: value location is not a member of object net.liftweb.http.S Why can't I reach that member? Second: is there a better way to print debug messages? Right now I just add them to a snippet. Thanks, Itsjar -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: How can one bind value-less attributes?
Sha-bam http://github.com/dpp/liftweb/issues/#issue/229 -Ross On Dec 7, 2009, at 12:43 PM, David Pollak wrote: Is there a ticket for this? I'm in ticket-closing mode today ;-) On Mon, Dec 7, 2009 at 9:29 AM, Ross Mellgren dri...@gmail.com wrote: I looked at adding a Box variant, but it wasn't a strictly speaking trivial change since calcValue on BindParam is of type NodeSeq. I guess it could become Box[NodeSeq] and then when binding at element positions convert that to NodeSeq.Empty, but I also have had the need (which I've worked around) to be able to replace a single bound attribute with multiple result attributes, so I was thinking that it would be best to allow AttrBindParams to generate MetaData, not just a value. I had written some code to play with this idea, but I didn't get too far because I was busy and needed feedback from other committers. I can return it to working tonight if there's interest. -Ross On Dec 7, 2009, at 12:22 PM, Alex Boisvert wrote: On Sun, Dec 6, 2009 at 8:28 PM, David Pollak feeder.of.the.be...@gmail.com wrote: On Sun, Dec 6, 2009 at 7:25 PM, Alex Boisvert alex.boisv...@gmail.com wrote: Using the latest and greatest (master branch), I can't reproduce the MatchError but I can reproduce the issue with the attribute being generated if the value is null. How about adding a Box alternative rather than perpetuating a paradigm based on null? Yes, that's better. I'll do that. [Side diatribe: Can't wait for a working scala.NotNull so we can implicitly convert (non-null) literal values to Some() or Full() instance and reduce verbosity] alex -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en . -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en . -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en . -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Login progamatically
Hi, where would I look for a login()-method to login a specific user on boot up (in development mode)? (Aggregated this could save me a few minutes every day *g*) Cheers, stephanos -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Login progamatically
it just occured to me that I can simply override my is logged in-
condition:
val ifIsLoggedIn = Props.mode match {
case Development = If (true _, )
case _ = If(User.loggedIn_? _, You must be logged in!)
}
yet this only works for explicitly hidden/disabled functionality based
on this condition.
On Dec 7, 7:09 pm, stephanos stephan.beh...@googlemail.com wrote:
Hi,
where would I look for a login()-method to login a specific user on
boot up (in development mode)?
(Aggregated this could save me a few minutes every day *g*)
Cheers,
stephanos
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[Lift] Re: S.class
Never mind, I've solved it myself. Thanks On Dec 7, 6:56 pm, itsjar its...@gmail.com wrote: Hi, I've been diving into the S class to learn and I just tried to add some functions of it in a snippet to see if it works. The weird thing is (which is probably not weird but doesn't seem intuitive to me) that adding S.location in a snippet gives me an error message error: value location is not a member of object net.liftweb.http.S Why can't I reach that member? Second: is there a better way to print debug messages? Right now I just add them to a snippet. Thanks, Itsjar -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: How do I go about implementing my own auth?
I'm using neither Mapper (JPA is used instead) nor SiteMap. Thanks for
the explanation, I'll try this today.
On Dec 7, 6:14 am, Marius marius.dan...@gmail.com wrote:
On Dec 7, 1:09 pm, DMB combust...@gmail.com wrote:
Basically here's what I want to accomplish:
1. I want the user to login through a simple form on /index.html -
this is the only unprotected page on the site. User does not have a
user name, the only field is a password.
2. I want to store the user role (along with some other state data) in
the user session
3. If user tries to access any page other than index.html, I want to
redirect to /index.html
After stumbling for a while due to scarcity of documentation, I have
done the following:
In Boot.scala:
LiftRules.httpAuthProtectedResource.prepend {
case ParsePath(index :: Nil, html, true, false) =
Empty
case _ = Full(AuthRole(admin))
}
LiftRules.authentication = SessionAuthentication()
InSessionAuthentication.scala:
case class SessionAuthentication extends HttpAuthentication {
def verified_? = { case(req) = {
// TODO: Prefetch from DB here
true
}
}
}
It is my understanding that this should not ask for auth at all. In
reality, it doesn't ask for auth on /index.html, but DOES ask for
Basic auth (through a browser popup) on any other page.
What am I doing wrong, and how do I make it right?
Your are seeing the browser's credentials popup because of :
def unauthorizedResponse: UnauthorizedResponse = UnauthorizedResponse
(realm)
from HttpAuthentication trait. You can override this and subclass
UnauthorizedResponse with your own LiftResponse if you want other type
of response than 401. You can also protect your resources using
HttpAuthProtected LocParam that you can use when you specify your
SiteMap in the Loc construction.
This is one approach.
Another one, probably more suitable for login forms, is to look into
Mapper support for that (I think it's called MetaMegaProtoUser ? )
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Re: [Lift] Re: How do I go about implementing my own auth?
can you embed a (shared) username in the form and submit the password it
using the default Lift User authentication?
On Mon, Dec 7, 2009 at 2:19 PM, DMB combust...@gmail.com wrote:
I'm using neither Mapper (JPA is used instead) nor SiteMap. Thanks for
the explanation, I'll try this today.
On Dec 7, 6:14 am, Marius marius.dan...@gmail.com wrote:
On Dec 7, 1:09 pm, DMB combust...@gmail.com wrote:
Basically here's what I want to accomplish:
1. I want the user to login through a simple form on /index.html -
this is the only unprotected page on the site. User does not have a
user name, the only field is a password.
2. I want to store the user role (along with some other state data) in
the user session
3. If user tries to access any page other than index.html, I want to
redirect to /index.html
After stumbling for a while due to scarcity of documentation, I have
done the following:
In Boot.scala:
LiftRules.httpAuthProtectedResource.prepend {
case ParsePath(index :: Nil, html, true, false) =
Empty
case _ = Full(AuthRole(admin))
}
LiftRules.authentication = SessionAuthentication()
InSessionAuthentication.scala:
case class SessionAuthentication extends HttpAuthentication {
def verified_? = { case(req) = {
// TODO: Prefetch from DB here
true
}
}
}
It is my understanding that this should not ask for auth at all. In
reality, it doesn't ask for auth on /index.html, but DOES ask for
Basic auth (through a browser popup) on any other page.
What am I doing wrong, and how do I make it right?
Your are seeing the browser's credentials popup because of :
def unauthorizedResponse: UnauthorizedResponse = UnauthorizedResponse
(realm)
from HttpAuthentication trait. You can override this and subclass
UnauthorizedResponse with your own LiftResponse if you want other type
of response than 401. You can also protect your resources using
HttpAuthProtected LocParam that you can use when you specify your
SiteMap in the Loc construction.
This is one approach.
Another one, probably more suitable for login forms, is to look into
Mapper support for that (I think it's called MetaMegaProtoUser ? )
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Re: [Lift] Re: Login progamatically
If you're using MegaProtoUser, in your User object:
override def autologinFunc = if (Props.devMode) Full(() =
{User.find(1).foreach(User.LogUserIn)}) else Empty
On Mon, Dec 7, 2009 at 10:17 AM, stephanos stephan.beh...@googlemail.comwrote:
it just occured to me that I can simply override my is logged in-
condition:
val ifIsLoggedIn = Props.mode match {
case Development = If (true _, )
case _ = If(User.loggedIn_? _, You must be logged in!)
}
yet this only works for explicitly hidden/disabled functionality based
on this condition.
On Dec 7, 7:09 pm, stephanos stephan.beh...@googlemail.com wrote:
Hi,
where would I look for a login()-method to login a specific user on
boot up (in development mode)?
(Aggregated this could save me a few minutes every day *g*)
Cheers,
stephanos
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Re: [Lift] Re: Race conditions / database transaction isolation levels
On Mon, Dec 7, 2009 at 8:54 AM, Alex Boisvert alex.boisv...@gmail.comwrote: On Mon, Dec 7, 2009 at 8:02 AM, cody koeninger c...@koeninger.org wrote: On Dec 6, 9:16 pm, Alex Boisvert alex.boisv...@gmail.com wrote: Lift's mapper doesn't change the default isolation level of your connections, nor does it make explicit use of pessimistic concurrency control. Anything beyond that we can probably implement, we just need a good reason... alex Isn't the possibility of interleaved HTTP requests a sufficient reason? E.g. administrator editing a field near the same time a customer is. Unless the orm is writing everything it reads, even changing transaction isolation to serializable won't prevent certain types of race conditions. It seems like having the option to lock an entity when loading it from the database (implemented as select ... for update) would be useful. I haven't used Rails much, but that's my understanding of what ActiveRecord offers. Yes, definitely, it would be useful in some cases.I should have been more clear. When I said we just need a good reason I meant we just need somebody who has a real need for this feature. Feel free to open a ticket. We prioritize work for production sites (or sites that are destined for production). If you meet that criteria, please add this to the ticket so we can decide on what the priority is. alex -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] How to configure two database connection in Lift?
I've put together some sample code that describes how to access multiple
databases from a single Lift app. It's enclosed.
First, you need to identify different ConnectionIdentifiers for each
connection:
package com.liftcode.model
import net.liftweb._
import mapper._
case object CatConnectionIdentifier extends ConnectionIdentifier {
def jndiName: String = cat
}
case object DogConnectionIdentifier extends ConnectionIdentifier {
def jndiName: String = dog
}
Tell your Mapper classes what their default DB is:
package com.liftcode.model
import net.liftweb._
import mapper._
class Cat extends LongKeyedMapper[Cat] with IdPK {
def getSingleton = Cat
object name extends MappedString(this, 64)
}
object Cat extends Cat with LongKeyedMetaMapper[Cat] {
override def dbDefaultConnectionIdentifier = CatConnectionIdentifier
}
class Dog extends LongKeyedMapper[Dog] with IdPK {
def getSingleton = Dog
object name extends MappedString(this, 64)
}
object Dog extends Dog with LongKeyedMetaMapper[Dog] {
override def dbDefaultConnectionIdentifier = DogConnectionIdentifier
}
You need to hook the ConnectionIdentifiers up to the actual databases... in
Boot:
DB.defineConnectionManager(DefaultConnectionIdentifier,
new StandardDBVendor(Props.get(db.driver)
openOr org.h2.Driver,
Props.get(db.url)
openOr jdbc:h2:lift_proto.db,
Props.get(db.user),
Props.get(db.password)))
DB.defineConnectionManager(CatConnectionIdentifier,
new StandardDBVendor(Props.get(db.driver)
openOr org.h2.Driver,
Props.get(db.url)
openOr jdbc:h2:lift_cat.db,
Props.get(db.user),
Props.get(db.password)))
DB.defineConnectionManager(DogConnectionIdentifier,
new StandardDBVendor(Props.get(db.driver)
openOr org.h2.Driver,
Props.get(db.url)
openOr jdbc:h2:lift_dog.db,
Props.get(db.user),
Props.get(db.password)))
And Schemify based on the correct identifier:
Schemifier.schemify(true, Log.infoF _, DefaultConnectionIdentifier,
User)
Schemifier.schemify(true, Log.infoF _, CatConnectionIdentifier, Cat)
Schemifier.schemify(true, Log.infoF _, DogConnectionIdentifier, Dog)
And finally make sure that the transactions are wrapped correctly:
S.addAround(DB.buildLoanWrapper(List(DefaultConnectionIdentifier,
DogConnectionIdentifier, CatConnectionIdentifier)))
Cats will come from the Cat DB, dogs from the Dog DB.
It's possible to get shardy with this setup as well, but this should
suffice.
Thanks,
David
On Sat, Dec 5, 2009 at 9:47 PM, Neil.Lv anim...@gmail.com wrote:
Hi all,
I want to use two databases, but i don't know how to configure it.
Does anybody know that how to configure two database connection in
Lift?
1:
I add two ConnectionIdentifier in the Boot.class
###
object OneDB extends ConnectionIdentifier {
def jndiName = one
}
object TwoDB extends ConnectionIdentifier {
def jndiName = two
}
###
2: In the User model
How can i write the code in the method,
###
override def dbCalculateConnectionIdentifier = {
Two
}
###
Thanks for any suggestion!
Cheers,
Neil
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twofer.tgz
Description: GNU Zip compressed data
Re: [Lift] Re: Sharing data between snippet functions during a single HTTP request
On Sun, Dec 6, 2009 at 5:44 AM, Alex Black a...@alexblack.ca wrote:
We made this change for Lift 1.1. So, if you're using 1.1, the same
instance of a snippet should be used for a given HTTP request.
Hi David, I've just switch from Lift 1.0 to Lift 1.1-M6, do you think
this change is in M6?
Yes.
Snippet:
class HelloWorld {
lazy val date: Box[Date] = DependencyFactory.inject[Date] // inject the
date
val random = randomString(20)
def howdy(in: NodeSeq): NodeSeq =
Helpers.bind(b, in, time - date.map(d = Text(d.toString)))
def dog: NodeSeq = bString is {random}/b
def cat: NodeSeq = bFrom cat String is {random}/b
}
View:
lift:surround with=default at=content
h2Welcome to your project!/h2
lift:helloWorld.howdy
spanWelcome to iscached at b:time//span
/lift:helloWorld.howdy
/p
p Dog sez lift:HelloWorld.dog//p
p Cat sez lift:HelloWorld.cat//p
/lift:surround
Browser:
Welcome to your project!
Welcome to iscached at Mon Dec 07 12:26:41 PST 2009
Dog sez String is 4G2NRM4TBGCJBYNGFCUF
Cat sez From cat String is 4G2NRM4TBGCJBYNGFCUF
Works as advertised and has been in the code since at least M6.
Thanks,
David
It doesn't seem to be... I have many calls to my
snippet for a particular page, and I put a println statement in the
body of the snippet, and it gets called 18 times each request!
- Alex
I'd imagine lift could even generate a requestVar representing each
snippet for the developers, allowing snippets in a given HTTP request
to access each other easily.
I don't think this is technically possible within the bounds of the type
system.
On Nov 20, 11:09 am, Ross Mellgren dri...@gmail.com wrote:
RequestVar is the standard way of doing this. For example
object MySharedInformation {
object myData extends RequestVar[List[Thing]](loadThings)
// ^^^ ^^
//Type of thing to store How to initialize
variable first time it's accessed
private def loadThings: List[Thing] = ...
}
class Snippet1 {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.is.map(thing = { ... })
}
}
class Snippet2 {
import MySharedInformation.myData
...
}
The lifetime of the value is during the current request processing
and
any AJAX calls related to it.
If you really want to initialize it in a snippet, then use a Box with
a RequestVar, like this:
object MySharedInformation {
object myData extends RequestVar[Box[List[Thing]]](Empty)
}
class LoaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.set(Full(...))
}
}
class ReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// If the data has not been loaded, default to an empty list
val data = myData.is.openOr(Nil)
...
}
}
class OtherReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// Do two entirely different things if the data has versus
has not been loaded
myData.is match {
case Full(data) = // do something when the data has
been
loaded
case _ = // do something when the data has not been
loaded
}
}
}
HTH,
-Ross
On Nov 20, 2009, at 10:59 AM, Alex Black wrote:
I've got a template page, say foobar.html, that makes a number of
calls to functions in a snippet, e.g. mysnippet.foo1,
mysnippet.foo2,
mysnippet.foo3.
I'd like to do some initial work in foo1, e.g. retrieve some data
and
do some work on it, then in foo2 and foo3 display parts of that
data.
Whats the easiest way to do this? I think I misunderstood the lift
book:
That means that for each request, Lift creates a new instance of
the
snippet class to execute. Any changes you make to instance
variables
will be discarded after the request is processed.
I thought this meant that for a given HTTP request, there would be
one
(and only one) instance of my snippet, so I could call several of
its
methods and they could all access the snippet's member variables,
which would then be discarded at the end of the request.
Am I going about this wrong? should I only have one snippet
function
per template?
Thx
- Alex
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[Lift] Re: Sharing data between snippet functions during a single HTTP request
Another strategy, different from what Ross suggests, that I have found
useful in some circumstances. In the view do this:
lift:YourPage
page:firstsection
firstsection:username/
firstsection:foo/
/page:firstsection
page:secondsection
secondsection:username/
secondsection:foo/
/page:secondsection
/lift:YourPage
Then
class YourPage extends RenderSnippet {
def render(xhtml: NodeSeq) = {
val user = User.currentUser
def firstSection(xhtml: NodeSeq) = {
val foo = whatever
bind(firstsection, xhtml, username - user.name, foo -
foo.name)
}
def secondSection(xhtml: NodeSeq) = {
val bar = whatever
bind(firstsection, xhtml, username - user.name, bar -
bar.name)
}
bind(page, xhtml, firstsection - firstSection _,
secondSection - secondSection)
}
}
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[Lift] Re: Sharing data between snippet functions during a single HTTP request
That looks like a great idea, thanks Harry, I didn't know you could
next stuff like that.
On Dec 7, 3:39 pm, harryh har...@gmail.com wrote:
Another strategy, different from what Ross suggests, that I have found
useful in some circumstances. In the view do this:
lift:YourPage
page:firstsection
firstsection:username/
firstsection:foo/
/page:firstsection
page:secondsection
secondsection:username/
secondsection:foo/
/page:secondsection
/lift:YourPage
Then
class YourPage extends RenderSnippet {
def render(xhtml: NodeSeq) = {
val user = User.currentUser
def firstSection(xhtml: NodeSeq) = {
val foo = whatever
bind(firstsection, xhtml, username - user.name, foo -
foo.name)
}
def secondSection(xhtml: NodeSeq) = {
val bar = whatever
bind(firstsection, xhtml, username - user.name, bar -
bar.name)
}
bind(page, xhtml, firstsection - firstSection _,
secondSection - secondSection)
}
}
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[Lift] Re: Sharing data between snippet functions during a single HTTP request
Hi David,
I just tried something similar out.
1. I created a blank 1.0 lift project
2. I updated the pom file to reference lift-1.1M6
3. I added a line to the hello world snippet in its body:
println(Constructor)
4. I modified index.html to call the snippet twice.
5. I then launched the web server (mvn jetty:run) and accessed the
main page once via a browser
The line println(Constructor) gets called twice, I expected it just
to get called once.
Am I doing something wrong? Your test is not exactly the same as the
problem I described, I described the constructor getting called 18
times, I haven't yet verified whether or not the data is shared.
and here is the output:
[INFO] Started Jetty Server
[INFO] Starting scanner at interval of 5 seconds.
Constructor
Constructor
INFO - Service request (GET) / took 393 Milliseconds
INFO - Service request (GET) /classpath/jquery.js took 39 Milliseconds
INFO - Service request (GET) /ajax_request/
liftAjax.js;jsessionid=11x3vru6uimmg took 11 Milliseconds
INFO - Service request (GET) /favicon.ico took 6 Milliseconds
INFO - Service request (POST) /ajax_request/F318697140471TRN/ took 11
Milliseconds
INFO - Service request (POST) /ajax_request/F318697140471TRN/ took 1
Milliseconds
Snippet code:
package com.liftcode.hello.snippet
class HelloWorld {
println(Constructor)
def howdy = spanWelcome to hello-lift at {new
_root_.java.util.Date}/span
}
index.html:
lift:surround with=default at=content
h2Welcome to your project!/h2
plift:helloWorld.howdy //p
plift:helloWorld.howdy //p
/lift:surround
Here is the pom.xml:
project xmlns=http://maven.apache.org/POM/4.0.0; xmlns:xsi=http://
www.w3.org/2001/XMLSchema-instance xsi:schemaLocation=http://
maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd;
modelVersion4.0.0/modelVersion
groupIdcom.liftcode.hello/groupId
artifactIdhello-lift/artifactId
version1.0-SNAPSHOT/version
packagingwar/packaging
namehello-lift/name
inceptionYear2007/inceptionYear
properties
scala.version2.7.3/scala.version
/properties
repositories
repository
idscala-tools.org/id
nameScala-Tools Maven2 Repository/name
urlhttp://scala-tools.org/repo-releases/url
/repository
/repositories
pluginRepositories
pluginRepository
idscala-tools.org/id
nameScala-Tools Maven2 Repository/name
urlhttp://scala-tools.org/repo-releases/url
/pluginRepository
/pluginRepositories
dependencies
dependency
groupIdorg.scala-lang/groupId
artifactIdscala-library/artifactId
version${scala.version}/version
/dependency
dependency
groupIdnet.liftweb/groupId
artifactIdlift-util/artifactId
version1.1-M6/version
/dependency
dependency
groupIdnet.liftweb/groupId
artifactIdlift-webkit/artifactId
version1.1-M6/version
/dependency
dependency
groupIdjavax.servlet/groupId
artifactIdservlet-api/artifactId
version2.5/version
scopeprovided/scope
/dependency
dependency
groupIdjunit/groupId
artifactIdjunit/artifactId
version4.5/version
scopetest/scope
/dependency
dependency
groupIdorg.mortbay.jetty/groupId
artifactIdjetty/artifactId
version[6.1.6,)/version
scopetest/scope
/dependency
!-- for LiftConsole --
dependency
groupIdorg.scala-lang/groupId
artifactIdscala-compiler/artifactId
version${scala.version}/version
scopetest/scope
/dependency
/dependencies
build
sourceDirectorysrc/main/scala/sourceDirectory
testSourceDirectorysrc/test/scala/testSourceDirectory
plugins
plugin
groupIdorg.scala-tools/groupId
artifactIdmaven-scala-plugin/artifactId
executions
execution
goals
goalcompile/goal
goaltestCompile/goal
/goals
/execution
/executions
configuration
scalaVersion${scala.version}/scalaVersion
/configuration
/plugin
plugin
groupIdorg.mortbay.jetty/groupId
artifactIdmaven-jetty-plugin/artifactId
configuration
contextPath//contextPath
scanIntervalSeconds5/scanIntervalSeconds
/configuration
/plugin
plugin
groupIdnet.sf.alchim/groupId
artifactIdyuicompressor-maven-plugin/artifactId
executions
execution
goals
goalcompress/goal
/goals
/execution
/executions
configuration
nosuffixtrue/nosuffix
/configuration
/plugin
plugin
groupIdorg.apache.maven.plugins/groupId
artifactIdmaven-eclipse-plugin/artifactId
configuration
downloadSourcestrue/downloadSources
excludes
excludeorg.scala-lang:scala-library/exclude
/excludes
Re: [Lift] Managing templates with associated snippets?
Liam, Right now, there's no best practices for snippet/template integration. If you or anyone else has good ideas on this or desired IDE integration, please post them. Thanks, David On Sun, Dec 6, 2009 at 3:02 AM, Liam Clarke ml.cyre...@gmail.com wrote: Hi all, I'm quite new to Lift, just working my way through a basic web-app using the book, and my background is Django for fun, and Wicket at work, so I'm probably writing code that resembles both of those, but isn't necessarily ideal for Lift. I was just wondering about how experienced Lift users manage their snippets and templates - do you, as a matter of course break them down into components, where one template corresponds to one snippet method call, like Wicket's panels, or is it normal to only separate out repeatedly used snippet templates, and just inline the one-use ones? I'm asking because I note that I changed the prefix used on the inner children of a template, my binding in the snippet will break, so there's a tight coupling there, which is fine, but I just want to be able to represent that coupling in my code's structure, sorta like how a Wicket component's mark-up has the same name as the class and occurs right beside it in the package. Also, I'm using Intellij IDEA 8, which is near seamless with the Scala and Maven support, but is there any additional Lift specific plugins about for Intellij? I can't find any, but I figure there might be an early alpha about - I only really want one for making Intellij aware of the template/snippet bindings. Thanks in advance, Liam Clarke -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Race conditions / database transaction isolation levels
On Dec 7, 1:54 pm, David Pollak feeder.of.the.be...@gmail.com wrote: Feel free to open a ticket. We prioritize work for production sites (or sites that are destined for production). If you meet that criteria, please add this to the ticket so we can decide on what the priority is. Thanks, that's totally fair. If we end up going with lift for this upcoming project, I'll open a ticket. Just wanted to make sure I wasn't misunderstanding / missing some concurrency control options. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: How do I go about implementing my own auth?
SiteMap is out of the question. I don't need it at all on my site, by
design.
I like the way this is done in RoR: you can basically say:
before_filter :authorize, :except = :login
And it will call authorize for all top level methods in the
controller class except login. Not that any of this is applicable in
Lift, but I like this very simple, declarative approach. The current
auth infrastructure in Lift requires quite a bit of head scratching
the second you try to do something custom.
On Dec 7, 11:25 am, Timothy Perrett timo...@getintheloop.eu wrote:
Ok, lets step back... I really, really wouldnt use the built in auth stuff
for forms... its sole purpose in life (and lift!) is for basic auth as per
the HTTP RFCs. If you want basic auth, then thats fine, but i think the way
you are subclassing HttpAuthentication is wrong for purpose.
If you want login, do one of two things:
- use SiteMap (IMHO, this is the most appropriate route)
- create a custom rewrite / dispatcher combo
You could look at MegaProtoUser, but personally, i'm not a huge fan of that
approach and prefer to craft my own. That being said, a lot of people use it
and it saves a lot of time.
Cheers, Tim
On 7 Dec 2009, at 14:14, Marius wrote:
On Dec 7, 1:09 pm, DMB combust...@gmail.com wrote:
Basically here's what I want to accomplish:
1. I want the user to login through a simple form on /index.html -
this is the only unprotected page on the site. User does not have a
user name, the only field is a password.
2. I want to store the user role (along with some other state data) in
the user session
3. If user tries to access any page other than index.html, I want to
redirect to /index.html
After stumbling for a while due to scarcity of documentation, I have
done the following:
In Boot.scala:
LiftRules.httpAuthProtectedResource.prepend {
case ParsePath(index :: Nil, html, true, false) =
Empty
case _ = Full(AuthRole(admin))
}
LiftRules.authentication = SessionAuthentication()
InSessionAuthentication.scala:
case class SessionAuthentication extends HttpAuthentication {
def verified_? = { case(req) = {
// TODO: Prefetch from DB here
true
}
}
}
It is my understanding that this should not ask for auth at all. In
reality, it doesn't ask for auth on /index.html, but DOES ask for
Basic auth (through a browser popup) on any other page.
What am I doing wrong, and how do I make it right?
Your are seeing the browser's credentials popup because of :
def unauthorizedResponse: UnauthorizedResponse = UnauthorizedResponse
(realm)
from HttpAuthentication trait. You can override this and subclass
UnauthorizedResponse with your own LiftResponse if you want other type
of response than 401. You can also protect your resources using
HttpAuthProtected LocParam that you can use when you specify your
SiteMap in the Loc construction.
This is one approach.
Another one, probably more suitable for login forms, is to look into
Mapper support for that (I think it's called MetaMegaProtoUser ? )
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[Lift] Re: Mapper - JObject bridge
David,
I couldn't find encodeAsJSON_! on MetaMapper in the Lift source on
github.
Where is this code checked in?
Glenn
On Dec 2, 1:15 pm, David Pollak feeder.of.the.be...@gmail.com wrote:
Folks (HarryH -- this means you),
I've just checked in code on the dpp_issue_213 that does Mapper - JObject
bridging using the awesome lift-json library.
The methods on MetaMapper:
protected def encodeAsJSON_! (toEncode: A): JsonAST.JObject
protected def decodeFromJSON_!(json: JsonAST.JObject): A
Implement the bridge. They are protected and have a _! in their name
because they are *dangerous* in that data can be exposed on the JSON object
that you might not want exposed and these methods should be used with
extreme caution.
An example of usage can be found in the MapperSpecs:
object SampleModel extends SampleModel with KeyedMetaMapper[Long,
SampleModel] {
def encodeAsJson(in: SampleModel): JsonAST.JObject = encodeAsJSON_!(in)
def buildFromJson(json: JsonAST.JObject): SampleModel =
decodeFromJSON_!(json)
}
class SampleModel extends KeyedMapper[Long, SampleModel] {
def getSingleton = SampleModel // what's the meta server
def primaryKeyField = id
object id extends MappedLongIndex(this)
object firstName extends MappedString(this, 32)
object moose extends MappedNullableLong(this)
object notNull extends MappedString(this, 32) {
override def dbNotNull_? = true
}
def encodeAsJson(): JsonAST.JObject = SampleModel.encodeAsJson(this)
}
So, you can use this mechanism to serialize a Mapper object to JSON, shovel
the object into memcached and then pull it out, mutate a field and save the
object back to the database (although connection identifier is lost, so if
you are sharding your database, this will not work).
Please give it a try, give me feedback. I'll put it on review board
tomorrow after any feedback and get it into Lift.
Thanks,
David
--
Lift, the simply functional web frameworkhttp://liftweb.net
Beginning Scalahttp://www.apress.com/book/view/1430219890
Follow me:http://twitter.com/dpp
Surf the harmonics
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Re: [Lift] Re: How do I go about implementing my own auth?
On Mon, Dec 7, 2009 at 1:32 PM, DMB combust...@gmail.com wrote:
SiteMap is out of the question. I don't need it at all on my site, by
design.
If you claimed I don't need controllers by design in an RoR site, then
your example would not work.
SiteMap is the access control mechanism for Lift. If you don't like it, as
Marius pointed out, you can do a use a Dispatch to intercept the requests.
So, you've got two mechanisms, both as declarative as the Rails example
you've given.
I like the way this is done in RoR: you can basically say:
before_filter :authorize, :except = :login
And it will call authorize for all top level methods in the
controller class except login. Not that any of this is applicable in
Lift, but I like this very simple, declarative approach. The current
auth infrastructure in Lift requires quite a bit of head scratching
the second you try to do something custom.
On Dec 7, 11:25 am, Timothy Perrett timo...@getintheloop.eu wrote:
Ok, lets step back... I really, really wouldnt use the built in auth
stuff for forms... its sole purpose in life (and lift!) is for basic auth as
per the HTTP RFCs. If you want basic auth, then thats fine, but i think the
way you are subclassing HttpAuthentication is wrong for purpose.
If you want login, do one of two things:
- use SiteMap (IMHO, this is the most appropriate route)
- create a custom rewrite / dispatcher combo
You could look at MegaProtoUser, but personally, i'm not a huge fan of
that approach and prefer to craft my own. That being said, a lot of people
use it and it saves a lot of time.
Cheers, Tim
On 7 Dec 2009, at 14:14, Marius wrote:
On Dec 7, 1:09 pm, DMB combust...@gmail.com wrote:
Basically here's what I want to accomplish:
1. I want the user to login through a simple form on /index.html -
this is the only unprotected page on the site. User does not have a
user name, the only field is a password.
2. I want to store the user role (along with some other state data) in
the user session
3. If user tries to access any page other than index.html, I want to
redirect to /index.html
After stumbling for a while due to scarcity of documentation, I have
done the following:
In Boot.scala:
LiftRules.httpAuthProtectedResource.prepend {
case ParsePath(index :: Nil, html, true, false) =
Empty
case _ = Full(AuthRole(admin))
}
LiftRules.authentication = SessionAuthentication()
InSessionAuthentication.scala:
case class SessionAuthentication extends HttpAuthentication {
def verified_? = { case(req) = {
// TODO: Prefetch from DB here
true
}
}
}
It is my understanding that this should not ask for auth at all. In
reality, it doesn't ask for auth on /index.html, but DOES ask for
Basic auth (through a browser popup) on any other page.
What am I doing wrong, and how do I make it right?
Your are seeing the browser's credentials popup because of :
def unauthorizedResponse: UnauthorizedResponse = UnauthorizedResponse
(realm)
from HttpAuthentication trait. You can override this and subclass
UnauthorizedResponse with your own LiftResponse if you want other type
of response than 401. You can also protect your resources using
HttpAuthProtected LocParam that you can use when you specify your
SiteMap in the Loc construction.
This is one approach.
Another one, probably more suitable for login forms, is to look into
Mapper support for that (I think it's called MetaMegaProtoUser ? )
--
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Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Surf the harmonics
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Re: [Lift] Re: Sharing data between snippet functions during a single HTTP request
On Mon, Dec 7, 2009 at 12:50 PM, Alex Black a...@alexblack.ca wrote:
Hi David,
I just tried something similar out.
1. I created a blank 1.0 lift project
How about starting with a Lift 1.1 project?
2. I updated the pom file to reference lift-1.1M6
Did you update the version of Scala?
3. I added a line to the hello world snippet in its body:
println(Constructor)
4. I modified index.html to call the snippet twice.
5. I then launched the web server (mvn jetty:run) and accessed the
main page once via a browser
The line println(Constructor) gets called twice, I expected it just
to get called once.
And Lift may choose to instantiate a snippet instance more than once for a
given request. But, there is just one instance used across all the requests
to the named snippet for the balance of the call.
Am I doing something wrong? Your test is not exactly the same as the
problem I described, I described the constructor getting called 18
times, I haven't yet verified whether or not the data is shared.
What is the issue with the constructor being called repeatedly?
and here is the output:
[INFO] Started Jetty Server
[INFO] Starting scanner at interval of 5 seconds.
Constructor
Constructor
INFO - Service request (GET) / took 393 Milliseconds
INFO - Service request (GET) /classpath/jquery.js took 39 Milliseconds
INFO - Service request (GET) /ajax_request/
liftAjax.js;jsessionid=11x3vru6uimmg took 11 Milliseconds
INFO - Service request (GET) /favicon.ico took 6 Milliseconds
INFO - Service request (POST) /ajax_request/F318697140471TRN/ took 11
Milliseconds
INFO - Service request (POST) /ajax_request/F318697140471TRN/ took 1
Milliseconds
Snippet code:
package com.liftcode.hello.snippet
class HelloWorld {
println(Constructor)
def howdy = spanWelcome to hello-lift at {new
_root_.java.util.Date}/span
}
index.html:
lift:surround with=default at=content
h2Welcome to your project!/h2
plift:helloWorld.howdy //p
plift:helloWorld.howdy //p
/lift:surround
Here is the pom.xml:
project xmlns=http://maven.apache.org/POM/4.0.0; xmlns:xsi=http://
www.w3.org/2001/XMLSchema-instance xsi:schemaLocation=http://
maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd;
modelVersion4.0.0/modelVersion
groupIdcom.liftcode.hello/groupId
artifactIdhello-lift/artifactId
version1.0-SNAPSHOT/version
packagingwar/packaging
namehello-lift/name
inceptionYear2007/inceptionYear
properties
scala.version2.7.3/scala.version
/properties
repositories
repository
idscala-tools.org/id
nameScala-Tools Maven2 Repository/name
urlhttp://scala-tools.org/repo-releases/url
/repository
/repositories
pluginRepositories
pluginRepository
idscala-tools.org/id
nameScala-Tools Maven2 Repository/name
urlhttp://scala-tools.org/repo-releases/url
/pluginRepository
/pluginRepositories
dependencies
dependency
groupIdorg.scala-lang/groupId
artifactIdscala-library/artifactId
version${scala.version}/version
/dependency
dependency
groupIdnet.liftweb/groupId
artifactIdlift-util/artifactId
version1.1-M6/version
/dependency
dependency
groupIdnet.liftweb/groupId
artifactIdlift-webkit/artifactId
version1.1-M6/version
/dependency
dependency
groupIdjavax.servlet/groupId
artifactIdservlet-api/artifactId
version2.5/version
scopeprovided/scope
/dependency
dependency
groupIdjunit/groupId
artifactIdjunit/artifactId
version4.5/version
scopetest/scope
/dependency
dependency
groupIdorg.mortbay.jetty/groupId
artifactIdjetty/artifactId
version[6.1.6,)/version
scopetest/scope
/dependency
!-- for LiftConsole --
dependency
groupIdorg.scala-lang/groupId
artifactIdscala-compiler/artifactId
version${scala.version}/version
scopetest/scope
/dependency
/dependencies
build
sourceDirectorysrc/main/scala/sourceDirectory
testSourceDirectorysrc/test/scala/testSourceDirectory
plugins
plugin
groupIdorg.scala-tools/groupId
artifactIdmaven-scala-plugin/artifactId
executions
execution
goals
goalcompile/goal
goaltestCompile/goal
/goals
/execution
/executions
configuration
scalaVersion${scala.version}/scalaVersion
/configuration
/plugin
plugin
groupIdorg.mortbay.jetty/groupId
artifactIdmaven-jetty-plugin/artifactId
configuration
contextPath//contextPath
scanIntervalSeconds5/scanIntervalSeconds
/configuration
/plugin
plugin
groupIdnet.sf.alchim/groupId
artifactIdyuicompressor-maven-plugin/artifactId
executions
execution
goals
Re: [Lift] Next Lift version will be 2.0
Heiko, Just curious what the difference between Major and Minor truly is as both can break source/binary compatibility? My feeling here is that sticking to strick source-compatibility for minor releases is actually a bonus. The other question I have is about deprecations. What's your plan for handling these? When can deprecated features be removed, etc. That might feed into the source-compatibility issues in minor versions. I think this is great stuff! Whatever is decided here will help shape the future of the Scala community's versioning, so I hope you don't mind my pestering ;) - Josh On Mon, Dec 7, 2009 at 12:41 PM, Indrajit Raychaudhuri indraj...@gmail.comwrote: Heiko, Grand stuff! Indeed, I was wondering if we could sync this up with the Round 2 of Refactoring exercise ( http://groups.google.com/group/liftweb/browse_thread/thread/450a3e741999b5df ). New structure, new version. I am working on this refactoring in a private copy and am planning to publish the branch once M8 is out (assuming original schedule of 2 weeks from 27th Nov). Would this work with you? Cheers, Indrajit On 07/12/09 4:23 PM, Timothy Perrett wrote: Heiko, This is great - can you work with IRC to arrange a time to changes the poms to 2.0-SNAPSHOT? Cheers, Tim On 7 Dec 2009, at 08:32, Heiko Seeberger wrote: Lifters, Maybe you followed the discussion about the versioning policy for Lift. The committers finally decided to have a well defined versioning policy which you can take from here: http://wiki.github.com/dpp/liftweb/about-versioning-policy. Following this policy the next Lift version will be 2.0, not 1.1, because there are numerous changes and enhancements breaking the source compatibility. As soon as we change the version numbers in the Maven POMs, we will let you know via the lift-announce mailing list. Best regards, Heiko My job: weiglewilczek.com http://weiglewilczek.com/ My blog: heikoseeberger.name http://heikoseeberger.name/ Follow me: twitter.com/hseeberger http://twitter.com/hseeberger OSGi on Scala: scalamodules.org http://scalamodules.org/ Lift, the simply functional web framework: liftweb.net http://liftweb.net/ -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to liftweb@googlegroups.com mailto:liftweb@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com mailto:liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Sharing data between snippet functions during a single HTTP request
How about starting with a Lift 1.1 project?
I'll give it a try. I was mimicking how I tried to upgrade my 1.0
project.
Did you update the version of Scala?
Nope, it is a 2.7.3 in the pom.
Just now I updated it to 2.7.7, re-ran, and saw the same behaviour.
What is the issue with the constructor being called repeatedly?
In my test the constructor is getting called with every snippet method
call from the same page.
Given that you'd described only one snippet is used for all those
calls, let me put the question back to you: why is the constructor
being called 18 times when once would have sufficed?
and here is the output:
[INFO] Started Jetty Server
[INFO] Starting scanner at interval of 5 seconds.
Constructor
Constructor
INFO - Service request (GET) / took 393 Milliseconds
INFO - Service request (GET) /classpath/jquery.js took 39 Milliseconds
INFO - Service request (GET) /ajax_request/
liftAjax.js;jsessionid=11x3vru6uimmg took 11 Milliseconds
INFO - Service request (GET) /favicon.ico took 6 Milliseconds
INFO - Service request (POST) /ajax_request/F318697140471TRN/ took 11
Milliseconds
INFO - Service request (POST) /ajax_request/F318697140471TRN/ took 1
Milliseconds
Snippet code:
package com.liftcode.hello.snippet
class HelloWorld {
println(Constructor)
def howdy = spanWelcome to hello-lift at {new
_root_.java.util.Date}/span
}
index.html:
lift:surround with=default at=content
h2Welcome to your project!/h2
plift:helloWorld.howdy //p
plift:helloWorld.howdy //p
/lift:surround
Here is the pom.xml:
project xmlns=http://maven.apache.org/POM/4.0.0; xmlns:xsi=http://
www.w3.org/2001/XMLSchema-instance xsi:schemaLocation=http://
maven.apache.org/POM/4.0.0http://maven.apache.org/maven-v4_0_0.xsd;
modelVersion4.0.0/modelVersion
groupIdcom.liftcode.hello/groupId
artifactIdhello-lift/artifactId
version1.0-SNAPSHOT/version
packagingwar/packaging
namehello-lift/name
inceptionYear2007/inceptionYear
properties
scala.version2.7.3/scala.version
/properties
repositories
repository
idscala-tools.org/id
nameScala-Tools Maven2 Repository/name
urlhttp://scala-tools.org/repo-releases/url
/repository
/repositories
pluginRepositories
pluginRepository
idscala-tools.org/id
nameScala-Tools Maven2 Repository/name
urlhttp://scala-tools.org/repo-releases/url
/pluginRepository
/pluginRepositories
dependencies
dependency
groupIdorg.scala-lang/groupId
artifactIdscala-library/artifactId
version${scala.version}/version
/dependency
dependency
groupIdnet.liftweb/groupId
artifactIdlift-util/artifactId
version1.1-M6/version
/dependency
dependency
groupIdnet.liftweb/groupId
artifactIdlift-webkit/artifactId
version1.1-M6/version
/dependency
dependency
groupIdjavax.servlet/groupId
artifactIdservlet-api/artifactId
version2.5/version
scopeprovided/scope
/dependency
dependency
groupIdjunit/groupId
artifactIdjunit/artifactId
version4.5/version
scopetest/scope
/dependency
dependency
groupIdorg.mortbay.jetty/groupId
artifactIdjetty/artifactId
version[6.1.6,)/version
scopetest/scope
/dependency
!-- for LiftConsole --
dependency
groupIdorg.scala-lang/groupId
artifactIdscala-compiler/artifactId
version${scala.version}/version
scopetest/scope
/dependency
/dependencies
build
sourceDirectorysrc/main/scala/sourceDirectory
testSourceDirectorysrc/test/scala/testSourceDirectory
plugins
plugin
groupIdorg.scala-tools/groupId
artifactIdmaven-scala-plugin/artifactId
executions
execution
goals
goalcompile/goal
goaltestCompile/goal
/goals
/execution
/executions
configuration
scalaVersion${scala.version}/scalaVersion
/configuration
/plugin
plugin
groupIdorg.mortbay.jetty/groupId
artifactIdmaven-jetty-plugin/artifactId
configuration
contextPath//contextPath
scanIntervalSeconds5/scanIntervalSeconds
/configuration
/plugin
plugin
groupIdnet.sf.alchim/groupId
artifactIdyuicompressor-maven-plugin/artifactId
executions
execution
goals
goalcompress/goal
/goals
/execution
/executions
configuration
nosuffixtrue/nosuffix
/configuration
/plugin
plugin
groupIdorg.apache.maven.plugins/groupId
artifactIdmaven-eclipse-plugin/artifactId
configuration
Re: [Lift] Re: Sharing data between snippet functions during a single HTTP request
On Mon, Dec 7, 2009 at 2:23 PM, Alex Black a...@alexblack.ca wrote:
How about starting with a Lift 1.1 project?
I'll give it a try. I was mimicking how I tried to upgrade my 1.0
project.
Did you update the version of Scala?
Nope, it is a 2.7.3 in the pom.
Just now I updated it to 2.7.7, re-ran, and saw the same behaviour.
What is the issue with the constructor being called repeatedly?
In my test the constructor is getting called with every snippet method
call from the same page.
Given that you'd described only one snippet is used for all those
calls, let me put the question back to you: why is the constructor
being called 18 times when once would have sufficed?
If there is an actual issue, then identify it. Throwing questions back at
me doesn't really engender a lot of motivation for me to help.
and here is the output:
[INFO] Started Jetty Server
[INFO] Starting scanner at interval of 5 seconds.
Constructor
Constructor
INFO - Service request (GET) / took 393 Milliseconds
INFO - Service request (GET) /classpath/jquery.js took 39 Milliseconds
INFO - Service request (GET) /ajax_request/
liftAjax.js;jsessionid=11x3vru6uimmg took 11 Milliseconds
INFO - Service request (GET) /favicon.ico took 6 Milliseconds
INFO - Service request (POST) /ajax_request/F318697140471TRN/ took 11
Milliseconds
INFO - Service request (POST) /ajax_request/F318697140471TRN/ took 1
Milliseconds
Snippet code:
package com.liftcode.hello.snippet
class HelloWorld {
println(Constructor)
def howdy = spanWelcome to hello-lift at {new
_root_.java.util.Date}/span
}
index.html:
lift:surround with=default at=content
h2Welcome to your project!/h2
plift:helloWorld.howdy //p
plift:helloWorld.howdy //p
/lift:surround
Here is the pom.xml:
project xmlns=http://maven.apache.org/POM/4.0.0; xmlns:xsi=http://
www.w3.org/2001/XMLSchema-instance xsi:schemaLocation=http://
maven.apache.org/POM/4.0.0http://maven.apache.org/maven-v4_0_0.xsd;
modelVersion4.0.0/modelVersion
groupIdcom.liftcode.hello/groupId
artifactIdhello-lift/artifactId
version1.0-SNAPSHOT/version
packagingwar/packaging
namehello-lift/name
inceptionYear2007/inceptionYear
properties
scala.version2.7.3/scala.version
/properties
repositories
repository
idscala-tools.org/id
nameScala-Tools Maven2 Repository/name
urlhttp://scala-tools.org/repo-releases/url
/repository
/repositories
pluginRepositories
pluginRepository
idscala-tools.org/id
nameScala-Tools Maven2 Repository/name
urlhttp://scala-tools.org/repo-releases/url
/pluginRepository
/pluginRepositories
dependencies
dependency
groupIdorg.scala-lang/groupId
artifactIdscala-library/artifactId
version${scala.version}/version
/dependency
dependency
groupIdnet.liftweb/groupId
artifactIdlift-util/artifactId
version1.1-M6/version
/dependency
dependency
groupIdnet.liftweb/groupId
artifactIdlift-webkit/artifactId
version1.1-M6/version
/dependency
dependency
groupIdjavax.servlet/groupId
artifactIdservlet-api/artifactId
version2.5/version
scopeprovided/scope
/dependency
dependency
groupIdjunit/groupId
artifactIdjunit/artifactId
version4.5/version
scopetest/scope
/dependency
dependency
groupIdorg.mortbay.jetty/groupId
artifactIdjetty/artifactId
version[6.1.6,)/version
scopetest/scope
/dependency
!-- for LiftConsole --
dependency
groupIdorg.scala-lang/groupId
artifactIdscala-compiler/artifactId
version${scala.version}/version
scopetest/scope
/dependency
/dependencies
build
sourceDirectorysrc/main/scala/sourceDirectory
testSourceDirectorysrc/test/scala/testSourceDirectory
plugins
plugin
groupIdorg.scala-tools/groupId
artifactIdmaven-scala-plugin/artifactId
executions
execution
goals
goalcompile/goal
goaltestCompile/goal
/goals
/execution
/executions
configuration
scalaVersion${scala.version}/scalaVersion
/configuration
/plugin
plugin
groupIdorg.mortbay.jetty/groupId
artifactIdmaven-jetty-plugin/artifactId
configuration
contextPath//contextPath
scanIntervalSeconds5/scanIntervalSeconds
/configuration
/plugin
plugin
groupIdnet.sf.alchim/groupId
artifactIdyuicompressor-maven-plugin/artifactId
executions
execution
[Lift] Re: Sharing data between snippet functions during a single HTTP request
Its not causing me any issue at the moment, just figured it'd be
faster/more correct to call the constructor just once if only one
instance was needed.
- Alex
On Dec 7, 5:25 pm, David Pollak feeder.of.the.be...@gmail.com wrote:
On Mon, Dec 7, 2009 at 2:23 PM, Alex Black a...@alexblack.ca wrote:
How about starting with a Lift 1.1 project?
I'll give it a try. I was mimicking how I tried to upgrade my 1.0
project.
Did you update the version of Scala?
Nope, it is a 2.7.3 in the pom.
Just now I updated it to 2.7.7, re-ran, and saw the same behaviour.
What is the issue with the constructor being called repeatedly?
In my test the constructor is getting called with every snippet method
call from the same page.
Given that you'd described only one snippet is used for all those
calls, let me put the question back to you: why is the constructor
being called 18 times when once would have sufficed?
If there is an actual issue, then identify it. Throwing questions back at
me doesn't really engender a lot of motivation for me to help.
and here is the output:
[INFO] Started Jetty Server
[INFO] Starting scanner at interval of 5 seconds.
Constructor
Constructor
INFO - Service request (GET) / took 393 Milliseconds
INFO - Service request (GET) /classpath/jquery.js took 39 Milliseconds
INFO - Service request (GET) /ajax_request/
liftAjax.js;jsessionid=11x3vru6uimmg took 11 Milliseconds
INFO - Service request (GET) /favicon.ico took 6 Milliseconds
INFO - Service request (POST) /ajax_request/F318697140471TRN/ took 11
Milliseconds
INFO - Service request (POST) /ajax_request/F318697140471TRN/ took 1
Milliseconds
Snippet code:
package com.liftcode.hello.snippet
class HelloWorld {
println(Constructor)
def howdy = spanWelcome to hello-lift at {new
_root_.java.util.Date}/span
}
index.html:
lift:surround with=default at=content
h2Welcome to your project!/h2
plift:helloWorld.howdy //p
plift:helloWorld.howdy //p
/lift:surround
Here is the pom.xml:
project xmlns=http://maven.apache.org/POM/4.0.0; xmlns:xsi=http://
www.w3.org/2001/XMLSchema-instance xsi:schemaLocation=http://
maven.apache.org/POM/4.0.0http://maven.apache.org/maven-v4_0_0.xsd;
modelVersion4.0.0/modelVersion
groupIdcom.liftcode.hello/groupId
artifactIdhello-lift/artifactId
version1.0-SNAPSHOT/version
packagingwar/packaging
namehello-lift/name
inceptionYear2007/inceptionYear
properties
scala.version2.7.3/scala.version
/properties
repositories
repository
idscala-tools.org/id
nameScala-Tools Maven2 Repository/name
urlhttp://scala-tools.org/repo-releases/url
/repository
/repositories
pluginRepositories
pluginRepository
idscala-tools.org/id
nameScala-Tools Maven2 Repository/name
urlhttp://scala-tools.org/repo-releases/url
/pluginRepository
/pluginRepositories
dependencies
dependency
groupIdorg.scala-lang/groupId
artifactIdscala-library/artifactId
version${scala.version}/version
/dependency
dependency
groupIdnet.liftweb/groupId
artifactIdlift-util/artifactId
version1.1-M6/version
/dependency
dependency
groupIdnet.liftweb/groupId
artifactIdlift-webkit/artifactId
version1.1-M6/version
/dependency
dependency
groupIdjavax.servlet/groupId
artifactIdservlet-api/artifactId
version2.5/version
scopeprovided/scope
/dependency
dependency
groupIdjunit/groupId
artifactIdjunit/artifactId
version4.5/version
scopetest/scope
/dependency
dependency
groupIdorg.mortbay.jetty/groupId
artifactIdjetty/artifactId
version[6.1.6,)/version
scopetest/scope
/dependency
!-- for LiftConsole --
dependency
groupIdorg.scala-lang/groupId
artifactIdscala-compiler/artifactId
version${scala.version}/version
scopetest/scope
/dependency
/dependencies
build
sourceDirectorysrc/main/scala/sourceDirectory
testSourceDirectorysrc/test/scala/testSourceDirectory
plugins
plugin
groupIdorg.scala-tools/groupId
artifactIdmaven-scala-plugin/artifactId
executions
execution
goals
goalcompile/goal
goaltestCompile/goal
/goals
/execution
/executions
configuration
scalaVersion${scala.version}/scalaVersion
/configuration
/plugin
plugin
groupIdorg.mortbay.jetty/groupId
[Lift] Re: How can one bind value-less attributes?
Thanks for the help on this guys, looks promising. On Dec 7, 12:57 pm, Ross Mellgren dri...@gmail.com wrote: Sha-bam http://github.com/dpp/liftweb/issues/#issue/229 -Ross On Dec 7, 2009, at 12:43 PM, David Pollak wrote: Is there a ticket for this? I'm in ticket-closing mode today ;-) On Mon, Dec 7, 2009 at 9:29 AM, Ross Mellgren dri...@gmail.com wrote: I looked at adding a Box variant, but it wasn't a strictly speaking trivial change since calcValue on BindParam is of type NodeSeq. I guess it could become Box[NodeSeq] and then when binding at element positions convert that to NodeSeq.Empty, but I also have had the need (which I've worked around) to be able to replace a single bound attribute with multiple result attributes, so I was thinking that it would be best to allow AttrBindParams to generate MetaData, not just a value. I had written some code to play with this idea, but I didn't get too far because I was busy and needed feedback from other committers. I can return it to working tonight if there's interest. -Ross On Dec 7, 2009, at 12:22 PM, Alex Boisvert wrote: On Sun, Dec 6, 2009 at 8:28 PM, David Pollak feeder.of.the.be...@gmail.com wrote: On Sun, Dec 6, 2009 at 7:25 PM, Alex Boisvert alex.boisv...@gmail.com wrote: Using the latest and greatest (master branch), I can't reproduce the MatchError but I can reproduce the issue with the attribute being generated if the value is null. How about adding a Box alternative rather than perpetuating a paradigm based on null? Yes, that's better. I'll do that. [Side diatribe: Can't wait for a working scala.NotNull so we can implicitly convert (non-null) literal values to Some() or Full() instance and reduce verbosity] alex -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com . For more options, visit this group athttp://groups.google.com/group/liftweb?hl=en . -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com . For more options, visit this group athttp://groups.google.com/group/liftweb?hl=en . -- Lift, the simply functional web frameworkhttp://liftweb.net Beginning Scalahttp://www.apress.com/book/view/1430219890 Follow me:http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com . For more options, visit this group athttp://groups.google.com/group/liftweb?hl=en . -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Documentation for 1.1
Great! Thank you for the heads-up. On Dec 7, 9:55 pm, Timothy Perrett timo...@getintheloop.eu wrote: Randinn, This is already slated for 1.1/2.0 release... dont worry we are getting to it :-) Cheers, Tim On 7 Dec 2009, at 08:09, Randinn wrote: I am writing here to get a dialog going about the changes from 1.0 to 1.1. I mistakenly filed a ticket on the subject but was wondering if there could be some documentation done with all of the new/changed features in 1.1. Most of the time the changes and additions are mentioned here but there are times that a feature is added and it's only talked about when someone asks about it. I was wondering if a current commiter or possibly bring one on board with the idea of fleshing out the documentation. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Documentation for 1.1
A pretty good idea, a commiter makes a change or adds a feature then post about it on a blog, that would make it easier for people to go through and later on to be able to update the documentation. On Dec 7, 10:53 pm, TylerWeir tyler.w...@gmail.com wrote: Something like This Week in Lift master would help.http://suitmymind.com/blog/2009/01/22/this-week-in-edge-cappuccino/ On Dec 7, 5:55 am, Timothy Perrett timo...@getintheloop.eu wrote: Randinn, This is already slated for 1.1/2.0 release... dont worry we are getting to it :-) Cheers, Tim On 7 Dec 2009, at 08:09, Randinn wrote: I am writing here to get a dialog going about the changes from 1.0 to 1.1. I mistakenly filed a ticket on the subject but was wondering if there could be some documentation done with all of the new/changed features in 1.1. Most of the time the changes and additions are mentioned here but there are times that a feature is added and it's only talked about when someone asks about it. I was wondering if a current commiter or possibly bring one on board with the idea of fleshing out the documentation. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Fwd: Watch Foursquare Lift talk live from NY
-- Forwarded message -- From: Dave Briccetti da...@davebsoft.com Date: Mon, Dec 7, 2009 at 3:15 PM Subject: Watch Foursquare Lift talk live from NY To: Bay Area Scala Enthusiasts scala-b...@googlegroups.com http://www.justin.tv/n8han -- You received this message because you are subscribed to the Google Groups Bay Area Scala Enthusiasts group. To post to this group, send email to scala-b...@googlegroups.com. To unsubscribe from this group, send email to scala-base+unsubscr...@googlegroups.comscala-base%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/scala-base?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: Documentation for 1.1
You are aware that our maven site automatically generates a list of changes in a given version? If any commiters adds something then they updates the changes.xml for just this reason. Take a look at that and see if it is the kind of thing you would like? I'm not saying it's everything you could ask for, as I sense you want deeper docs in general - but as before, this is in hand. Cheers, Tim Sent from my iPhone On 7 Dec 2009, at 23:01, Randinn rand...@gmail.com wrote: A pretty good idea, a commiter makes a change or adds a feature then post about it on a blog, that would make it easier for people to go through and later on to be able to update the documentation. On Dec 7, 10:53 pm, TylerWeir tyler.w...@gmail.com wrote: Something like This Week in Lift master would help.http:// suitmymind.com/blog/2009/01/22/this-week-in-edge-cappuccino/ On Dec 7, 5:55 am, Timothy Perrett timo...@getintheloop.eu wrote: Randinn, This is already slated for 1.1/2.0 release... dont worry we are getting to it :-) Cheers, Tim On 7 Dec 2009, at 08:09, Randinn wrote: I am writing here to get a dialog going about the changes from 1.0 to 1.1. I mistakenly filed a ticket on the subject but was wondering if there could be some documentation done with all of the new/changed features in 1.1. Most of the time the changes and additions are mentioned here but there are times that a feature is added and it's only talked about when someone asks about it. I was wondering if a current commiter or possibly bring one on board with the idea of fleshing out the documentation. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com . For more options, visit this group athttp://groups.google.com/ group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en . -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Field validation
After some experimenting I have field validation working with JSR 303
annotations. See:
http://wstrange.wordpress.com/2009/12/07/inline-field-validation-in-scalalift-using-jpa-and-jsr-303/
On Dec 5, 10:53 pm, wstrange warren.stra...@gmail.com wrote:
After more experimenting ... I think this approach only works with
Mapper/Record? It requires afieldid to be set, and validations
errors to be set on that id ( e.g. S.error(mobilePhone, bad
phone...) )
Is there an example of how to do this using JPA and JSR 303 (aka
Hibernate Validators)?
On Dec 5, 6:38 pm, wstrange warren.stra...@gmail.com wrote:
OK, figured it out. This should be:
bind(...
mobilePhone - formField(Mobile Phone, SHtml.text
(user.mobilePhone, user.mobilePhone = _) ),
On Dec 5, 5:39 pm, wstrange warren.stra...@gmail.com wrote:
Hi Alex
Thank you so much for the tip.
Just so I am clear (I am a lift newbie), I assume I would call this
function in my snippet:
bind(..
phoneNumber - formField(Phone Number, user.phoneNumber)
)
Is that the idea?
On Dec 4, 5:06 pm, Alex Siman aleksandr.si...@gmail.com wrote:
Checkout my code, especially parts with cssClass.
import net.liftweb.http.S._
import net.liftweb.http.SHtml._
// input can be SHtml.text
def formField(label: String, input: Elem): NodeSeq = {
val fixedLabel = label match {
case =
case s: String = s + :
}
val id = (input \ @id).toString
val messageList = messagesById(id)(errors)
val hasMessages = messageList.size 0
val cssClass = if (hasMessages) ErrorField else
val messages = messageList match {
case list: List[NodeSeq] if hasMessages = {
ul{messageList.map(m =
li{m}/li)}/ul
}
case _ = Nil
}
table class={cssClass} style=width: 100%;
tr
td style=text-align: right;
vertical-align: top; width: 10em;
b{fixedLabel}/bnbsp;
/td
td style=text-align: left;
{input}{messages}
/td
/tr
/table
}
On 4 дек, 23:22, wstrange warren.stra...@gmail.com wrote:
I have searched the archives, but the answer is not immediately clear
to me...
How does one providefieldvalidationfeedback on a form (e.g. turn
the phone numberfieldred if an error is made in data entry)? The
S.error approach of collecting all the errors into one big message
seems unwieldy, and does not give the user very good feedback. I am
using JPA if that makes any difference.
Any tips would be appreciated
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Re: [Lift] Sharing data between snippet functions during a single HTTP request
Hi ,
When I use RequestVar get the message: RequestVar ... was set but not
read
My code like this:
object MyMgr {
...
Loc.Snippet(myFoo,myFoo)
...
object myId extends RequestVar[Long](0)
def myFoo(xhtml: NodeSeq): NodeSeq = {
def selectNode = {
myId .set(vId)
}
bind(,xhtml,
node-a(() = selectNode, Text(nodeName))
)
}
}
the RequestVar must be used at Class?
On Sat, Nov 21, 2009 at 12:09 AM, Ross Mellgren dri...@gmail.com wrote:
RequestVar is the standard way of doing this. For example
object MySharedInformation {
object myData extends RequestVar[List[Thing]](loadThings)
// ^^^ ^^
//Type of thing to store How to initialize
variable first time it's accessed
private def loadThings: List[Thing] = ...
}
class Snippet1 {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.is.map(thing = { ... })
}
}
class Snippet2 {
import MySharedInformation.myData
...
}
The lifetime of the value is during the current request processing and
any AJAX calls related to it.
If you really want to initialize it in a snippet, then use a Box with
a RequestVar, like this:
object MySharedInformation {
object myData extends RequestVar[Box[List[Thing]]](Empty)
}
class LoaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.set(Full(...))
}
}
class ReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// If the data has not been loaded, default to an empty list
val data = myData.is.openOr(Nil)
...
}
}
class OtherReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// Do two entirely different things if the data has versus
has not been loaded
myData.is match {
case Full(data) = // do something when the data has been
loaded
case _ = // do something when the data has not been loaded
}
}
}
HTH,
-Ross
On Nov 20, 2009, at 10:59 AM, Alex Black wrote:
I've got a template page, say foobar.html, that makes a number of
calls to functions in a snippet, e.g. mysnippet.foo1, mysnippet.foo2,
mysnippet.foo3.
I'd like to do some initial work in foo1, e.g. retrieve some data and
do some work on it, then in foo2 and foo3 display parts of that data.
Whats the easiest way to do this? I think I misunderstood the lift
book:
That means that for each request, Lift creates a new instance of the
snippet class to execute. Any changes you make to instance variables
will be discarded after the request is processed.
I thought this meant that for a given HTTP request, there would be one
(and only one) instance of my snippet, so I could call several of its
methods and they could all access the snippet's member variables,
which would then be discarded at the end of the request.
Am I going about this wrong? should I only have one snippet function
per template?
Thx
- Alex
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Re: [Lift] Sharing data between snippet functions during a single HTTP request
I think that message is just informative, letting you know that you don't seem
to be using the request var fully (perhaps due to typo, or code refactoring
that made it unused, or something.)
I think it'll go away if you access the variable somewhere using myId.is.
-Ross
On Dec 7, 2009, at 9:02 PM, Xuefeng Wu wrote:
Hi ,
When I use RequestVar get the message: RequestVar ... was set but not read
My code like this:
object MyMgr {
...
Loc.Snippet(myFoo,myFoo)
...
object myId extends RequestVar[Long](0)
def myFoo(xhtml: NodeSeq): NodeSeq = {
def selectNode = {
myId .set(vId)
}
bind(,xhtml,
node-a(() = selectNode, Text(nodeName))
)
}
}
the RequestVar must be used at Class?
On Sat, Nov 21, 2009 at 12:09 AM, Ross Mellgren dri...@gmail.com wrote:
RequestVar is the standard way of doing this. For example
object MySharedInformation {
object myData extends RequestVar[List[Thing]](loadThings)
// ^^^ ^^
//Type of thing to store How to initialize
variable first time it's accessed
private def loadThings: List[Thing] = ...
}
class Snippet1 {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.is.map(thing = { ... })
}
}
class Snippet2 {
import MySharedInformation.myData
...
}
The lifetime of the value is during the current request processing and
any AJAX calls related to it.
If you really want to initialize it in a snippet, then use a Box with
a RequestVar, like this:
object MySharedInformation {
object myData extends RequestVar[Box[List[Thing]]](Empty)
}
class LoaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.set(Full(...))
}
}
class ReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// If the data has not been loaded, default to an empty list
val data = myData.is.openOr(Nil)
...
}
}
class OtherReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// Do two entirely different things if the data has versus
has not been loaded
myData.is match {
case Full(data) = // do something when the data has been
loaded
case _ = // do something when the data has not been loaded
}
}
}
HTH,
-Ross
On Nov 20, 2009, at 10:59 AM, Alex Black wrote:
I've got a template page, say foobar.html, that makes a number of
calls to functions in a snippet, e.g. mysnippet.foo1, mysnippet.foo2,
mysnippet.foo3.
I'd like to do some initial work in foo1, e.g. retrieve some data and
do some work on it, then in foo2 and foo3 display parts of that data.
Whats the easiest way to do this? I think I misunderstood the lift
book:
That means that for each request, Lift creates a new instance of the
snippet class to execute. Any changes you make to instance variables
will be discarded after the request is processed.
I thought this meant that for a given HTTP request, there would be one
(and only one) instance of my snippet, so I could call several of its
methods and they could all access the snippet's member variables,
which would then be discarded at the end of the request.
Am I going about this wrong? should I only have one snippet function
per template?
Thx
- Alex
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For
Re: [Lift] Sharing data between snippet functions during a single HTTP request
I use myId.is but get nothing.
I don't know what I could do with the information.
On Tue, Dec 8, 2009 at 10:19 AM, Ross Mellgren dri...@gmail.com wrote:
I think that message is just informative, letting you know that you don't
seem to be using the request var fully (perhaps due to typo, or code
refactoring that made it unused, or something.)
I think it'll go away if you access the variable somewhere using myId.is.
-Ross
On Dec 7, 2009, at 9:02 PM, Xuefeng Wu wrote:
Hi ,
When I use RequestVar get the message: RequestVar ... was set but not
read
My code like this:
object MyMgr {
...
Loc.Snippet(myFoo,myFoo)
...
object myId extends RequestVar[Long](0)
def myFoo(xhtml: NodeSeq): NodeSeq = {
def selectNode = {
myId .set(vId)
}
bind(,xhtml,
node-a(() = selectNode, Text(nodeName))
)
}
}
the RequestVar must be used at Class?
On Sat, Nov 21, 2009 at 12:09 AM, Ross Mellgren dri...@gmail.com wrote:
RequestVar is the standard way of doing this. For example
object MySharedInformation {
object myData extends RequestVar[List[Thing]](loadThings)
// ^^^ ^^
//Type of thing to store How to initialize
variable first time it's accessed
private def loadThings: List[Thing] = ...
}
class Snippet1 {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.is.map(thing = { ... })
}
}
class Snippet2 {
import MySharedInformation.myData
...
}
The lifetime of the value is during the current request processing and
any AJAX calls related to it.
If you really want to initialize it in a snippet, then use a Box with
a RequestVar, like this:
object MySharedInformation {
object myData extends RequestVar[Box[List[Thing]]](Empty)
}
class LoaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.set(Full(...))
}
}
class ReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// If the data has not been loaded, default to an empty list
val data = myData.is.openOr(Nil)
...
}
}
class OtherReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// Do two entirely different things if the data has versus
has not been loaded
myData.is match {
case Full(data) = // do something when the data has been
loaded
case _ = // do something when the data has not been loaded
}
}
}
HTH,
-Ross
On Nov 20, 2009, at 10:59 AM, Alex Black wrote:
I've got a template page, say foobar.html, that makes a number of
calls to functions in a snippet, e.g. mysnippet.foo1, mysnippet.foo2,
mysnippet.foo3.
I'd like to do some initial work in foo1, e.g. retrieve some data and
do some work on it, then in foo2 and foo3 display parts of that data.
Whats the easiest way to do this? I think I misunderstood the lift
book:
That means that for each request, Lift creates a new instance of the
snippet class to execute. Any changes you make to instance variables
will be discarded after the request is processed.
I thought this meant that for a given HTTP request, there would be one
(and only one) instance of my snippet, so I could call several of its
methods and they could all access the snippet's member variables,
which would then be discarded at the end of the request.
Am I going about this wrong? should I only have one snippet function
per template?
Thx
- Alex
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[Lift] Re: Fwd: Watch Foursquare Lift talk live from NY
If you missed the talk you can download it from the same link. It's a good one. One thing mentioned briefly in the talk that I'd like to know more about is oAuth Server code. Is anyone working on that? How can I help? Peter On Dec 7, 3:16 pm, David Pollak feeder.of.the.be...@gmail.com wrote: -- Forwarded message -- From: Dave Briccetti da...@davebsoft.com Date: Mon, Dec 7, 2009 at 3:15 PM Subject: Watch Foursquare Lift talk live from NY To: Bay Area Scala Enthusiasts scala-b...@googlegroups.com http://www.justin.tv/n8han -- You received this message because you are subscribed to the Google Groups Bay Area Scala Enthusiasts group. To post to this group, send email to scala-b...@googlegroups.com. To unsubscribe from this group, send email to scala-base+unsubscr...@googlegroups.comscala-base%2bunsubscr...@googlegroups.com . For more options, visit this group athttp://groups.google.com/group/scala-base?hl=en. -- Lift, the simply functional web frameworkhttp://liftweb.net Beginning Scalahttp://www.apress.com/book/view/1430219890 Follow me:http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Sharing data between snippet functions during a single HTTP request
Well if you logically expected it to be read but it wasn't, it might indicate a
bug to you or help in diagnosis.
I'm not sure I understand your reply fully -- when you added myId.is did the
log message go away? If not, could you post your code?
-Ross
On Dec 7, 2009, at 9:39 PM, Xuefeng Wu wrote:
I use myId.is but get nothing.
I don't know what I could do with the information.
On Tue, Dec 8, 2009 at 10:19 AM, Ross Mellgren dri...@gmail.com wrote:
I think that message is just informative, letting you know that you don't
seem to be using the request var fully (perhaps due to typo, or code
refactoring that made it unused, or something.)
I think it'll go away if you access the variable somewhere using myId.is.
-Ross
On Dec 7, 2009, at 9:02 PM, Xuefeng Wu wrote:
Hi ,
When I use RequestVar get the message: RequestVar ... was set but not
read
My code like this:
object MyMgr {
...
Loc.Snippet(myFoo,myFoo)
...
object myId extends RequestVar[Long](0)
def myFoo(xhtml: NodeSeq): NodeSeq = {
def selectNode = {
myId .set(vId)
}
bind(,xhtml,
node-a(() = selectNode, Text(nodeName))
)
}
}
the RequestVar must be used at Class?
On Sat, Nov 21, 2009 at 12:09 AM, Ross Mellgren dri...@gmail.com wrote:
RequestVar is the standard way of doing this. For example
object MySharedInformation {
object myData extends RequestVar[List[Thing]](loadThings)
// ^^^ ^^
//Type of thing to store How to initialize
variable first time it's accessed
private def loadThings: List[Thing] = ...
}
class Snippet1 {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.is.map(thing = { ... })
}
}
class Snippet2 {
import MySharedInformation.myData
...
}
The lifetime of the value is during the current request processing and
any AJAX calls related to it.
If you really want to initialize it in a snippet, then use a Box with
a RequestVar, like this:
object MySharedInformation {
object myData extends RequestVar[Box[List[Thing]]](Empty)
}
class LoaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.set(Full(...))
}
}
class ReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// If the data has not been loaded, default to an empty list
val data = myData.is.openOr(Nil)
...
}
}
class OtherReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// Do two entirely different things if the data has versus
has not been loaded
myData.is match {
case Full(data) = // do something when the data has been
loaded
case _ = // do something when the data has not been loaded
}
}
}
HTH,
-Ross
On Nov 20, 2009, at 10:59 AM, Alex Black wrote:
I've got a template page, say foobar.html, that makes a number of
calls to functions in a snippet, e.g. mysnippet.foo1, mysnippet.foo2,
mysnippet.foo3.
I'd like to do some initial work in foo1, e.g. retrieve some data and
do some work on it, then in foo2 and foo3 display parts of that data.
Whats the easiest way to do this? I think I misunderstood the lift
book:
That means that for each request, Lift creates a new instance of the
snippet class to execute. Any changes you make to instance variables
will be discarded after the request is processed.
I thought this meant that for a given HTTP request, there would be one
(and only one) instance of my snippet, so I could call several of its
methods and they could all access the snippet's member variables,
which would then be discarded at the end of the request.
Am I going about this wrong? should I only have one snippet function
per template?
Thx
- Alex
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To post
[Lift] UTF-8 Characters
Hi all, I just discovered that XHTML pages do not support all the character entity references HTML does[1]. In my case that means switching from deg; to ° in my Javascript file. This is fine except that I am now getting a garbled character. My file is encoded in UTF-8 and Maven is using UTF-8[2], so I'm stumped about why it is happening. I could just switch to an HTML doctype but I'm interested in understanding everything that's happening here. Any suggestions? Peter [1]: http://www.bubblefoundry.com/blog/2009/12/html-and-xml-character-encoding-gotchas-in-javascript/ [2]: http://maven.apache.org/plugins/maven-resources-plugin/examples/encoding.html -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: How do I go about implementing my own auth?
Hmm. I need to give it a try. I didn't realize it has such diverse
functionality.
On Dec 7, 1:38 pm, Marius marius.dan...@gmail.com wrote:
I'm not really sure why you're saying that SiteMap is out of the
question. Note that SiteMap does NOT equate with the Menu. You can use
SiteMap to define navigation rules, security semantics, etc. SiteMap
is much more then just a menu.
But at the end of the day it's your choice.
Br's,
Marius
On Dec 7, 11:32 pm, DMB combust...@gmail.com wrote:
SiteMap is out of the question. I don't need it at all on my site, by
design.
I like the way this is done in RoR: you can basically say:
before_filter :authorize, :except = :login
And it will call authorize for all top level methods in the
controller class except login. Not that any of this is applicable in
Lift, but I like this very simple, declarative approach. The current
auth infrastructure in Lift requires quite a bit of head scratching
the second you try to do something custom.
On Dec 7, 11:25 am, Timothy Perrett timo...@getintheloop.eu wrote:
Ok, lets step back... I really, really wouldnt use the built in auth
stuff for forms... its sole purpose in life (and lift!) is for basic auth
as per the HTTP RFCs. If you want basic auth, then thats fine, but i
think the way you are subclassing HttpAuthentication is wrong for purpose.
If you want login, do one of two things:
- use SiteMap (IMHO, this is the most appropriate route)
- create a custom rewrite / dispatcher combo
You could look at MegaProtoUser, but personally, i'm not a huge fan of
that approach and prefer to craft my own. That being said, a lot of
people use it and it saves a lot of time.
Cheers, Tim
On 7 Dec 2009, at 14:14, Marius wrote:
On Dec 7, 1:09 pm, DMB combust...@gmail.com wrote:
Basically here's what I want to accomplish:
1. I want the user to login through a simple form on /index.html -
this is the only unprotected page on the site. User does not have a
user name, the only field is a password.
2. I want to store the user role (along with some other state data) in
the user session
3. If user tries to access any page other than index.html, I want to
redirect to /index.html
After stumbling for a while due to scarcity of documentation, I have
done the following:
In Boot.scala:
LiftRules.httpAuthProtectedResource.prepend {
case ParsePath(index :: Nil, html, true, false) =
Empty
case _ = Full(AuthRole(admin))
}
LiftRules.authentication = SessionAuthentication()
InSessionAuthentication.scala:
case class SessionAuthentication extends HttpAuthentication {
def verified_? = { case(req) = {
// TODO: Prefetch from DB here
true
}
}
}
It is my understanding that this should not ask for auth at all. In
reality, it doesn't ask for auth on /index.html, but DOES ask for
Basic auth (through a browser popup) on any other page.
What am I doing wrong, and how do I make it right?
Your are seeing the browser's credentials popup because of :
def unauthorizedResponse: UnauthorizedResponse = UnauthorizedResponse
(realm)
from HttpAuthentication trait. You can override this and subclass
UnauthorizedResponse with your own LiftResponse if you want other type
of response than 401. You can also protect your resources using
HttpAuthProtected LocParam that you can use when you specify your
SiteMap in the Loc construction.
This is one approach.
Another one, probably more suitable for login forms, is to look into
Mapper support for that (I think it's called MetaMegaProtoUser ? )
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Re: [Lift] Sharing data between snippet functions during a single HTTP request
My code :
object CompetenceMgr {
Menu(Loc(Competence, List(competence, index), S.?(Competence),
ifIsLoggedIn,
...
Loc.Snippet(buildCompetenceDicRows, buildCompetenceDicRows),
Loc.Snippet(addCompetenceB, addCompetenceB),
private object *_categoryId *extends RequestVar[Long](0)
//build a competenceDic table
def buildCompetenceDicRows(xhtml: NodeSeq): NodeSeq = {
... ...
def *makeCategoryRow*(r: Category) = {
.
def *categoryNode*: NodeSeq = {
def categoryNodeLinkId = categoryNodeLinkId- + r.id
def selectCategoryNode: JsCmd = {
* //here: set the _categoryId, but didn't work*
_categoryId.set(r.id.is)
... ..
}
span id={categoryNodeLinkId} class='node_span'{a(() =
selectCategoryNode, Text(r.title.is))}/span
}
tr tdspan class=folder draggable droppable
id={categoeryId}{categoryNode}/span/td/tr % (id - nodeId) %
(class - nodeClass)
}
def *buildCategoryRows*: NodeSeq = {
val resourceData = Category.categoriesTreeList
(empty /: resourceData)((l, r) = l ++ *makeCategoryRow*(r))
}
*buildCategoryRows*
}
//it's a button for create competence
def *addCompetenceB*(xhtml: NodeSeq): NodeSeq = doCompetenceB(xhtml,add
Competence,null)
//a button for create or edit competence
def *doCompetenceB*(xhtml: NodeSeq,msg: String,competence: Competence):
NodeSeq = {
a(() = {
*//here I try to get the categoryId if it selected.*
val catId: Long = _categoryId.is
S.runTemplate(List(competence,_competence)).
map(ns = ModalDialog(doCompetenceEditor(ns,catId,competence)))
openOr
Alert(Couldn't find _competence template)},
Text(msg),class - button
)
}
On Tue, Dec 8, 2009 at 11:02 AM, Ross Mellgren dri...@gmail.com wrote:
Well if you logically expected it to be read but it wasn't, it might
indicate a bug to you or help in diagnosis.
I'm not sure I understand your reply fully -- when you added myId.is did
the log message go away? If not, could you post your code?
-Ross
On Dec 7, 2009, at 9:39 PM, Xuefeng Wu wrote:
I use myId.is but get nothing.
I don't know what I could do with the information.
On Tue, Dec 8, 2009 at 10:19 AM, Ross Mellgren dri...@gmail.com wrote:
I think that message is just informative, letting you know that you don't
seem to be using the request var fully (perhaps due to typo, or code
refactoring that made it unused, or something.)
I think it'll go away if you access the variable somewhere using myId.is.
-Ross
On Dec 7, 2009, at 9:02 PM, Xuefeng Wu wrote:
Hi ,
When I use RequestVar get the message: RequestVar ... was set but not
read
My code like this:
object MyMgr {
...
Loc.Snippet(myFoo,myFoo)
...
object myId extends RequestVar[Long](0)
def myFoo(xhtml: NodeSeq): NodeSeq = {
def selectNode = {
myId .set(vId)
}
bind(,xhtml,
node-a(() = selectNode, Text(nodeName))
)
}
}
the RequestVar must be used at Class?
On Sat, Nov 21, 2009 at 12:09 AM, Ross Mellgren dri...@gmail.com wrote:
RequestVar is the standard way of doing this. For example
object MySharedInformation {
object myData extends RequestVar[List[Thing]](loadThings)
// ^^^ ^^
//Type of thing to store How to initialize
variable first time it's accessed
private def loadThings: List[Thing] = ...
}
class Snippet1 {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.is.map(thing = { ... })
}
}
class Snippet2 {
import MySharedInformation.myData
...
}
The lifetime of the value is during the current request processing and
any AJAX calls related to it.
If you really want to initialize it in a snippet, then use a Box with
a RequestVar, like this:
object MySharedInformation {
object myData extends RequestVar[Box[List[Thing]]](Empty)
}
class LoaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
myData.set(Full(...))
}
}
class ReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// If the data has not been loaded, default to an empty list
val data = myData.is.openOr(Nil)
...
}
}
class OtherReaderSnippet {
import MySharedInformation.myData
def render(ns: NodeSeq): NodeSeq = {
// Do two entirely different things if the data has versus
has not been loaded
myData.is match {
case Full(data) = // do something when the data has been
loaded
case _ = // do something when the data has not been loaded
}
}
}
HTH,
-Ross
Re: [Lift] UTF-8 Characters
Peter, My understanding is that JavaScript strings must be ASCII or escaped to Unicode: \u4455 (or whatever the unicode character is for degrees). Thanks, David On Mon, Dec 7, 2009 at 7:14 PM, Peter Robinett pe...@bubblefoundry.comwrote: Hi all, I just discovered that XHTML pages do not support all the character entity references HTML does[1]. In my case that means switching from deg; to ° in my Javascript file. This is fine except that I am now getting a garbled character. My file is encoded in UTF-8 and Maven is using UTF-8[2], so I'm stumped about why it is happening. I could just switch to an HTML doctype but I'm interested in understanding everything that's happening here. Any suggestions? Peter [1]: http://www.bubblefoundry.com/blog/2009/12/html-and-xml-character-encoding-gotchas-in-javascript/ [2]: http://maven.apache.org/plugins/maven-resources-plugin/examples/encoding.html -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: Fwd: Watch Foursquare Lift talk live from NY
On Mon, Dec 7, 2009 at 6:59 PM, Peter Robinett pe...@bubblefoundry.comwrote: If you missed the talk you can download it from the same link. It's a good one. One thing mentioned briefly in the talk that I'd like to know more about is oAuth Server code. Is anyone working on that? It's on my to-do list. How can I help? Once I get the code into the repo, you're welcome/encouraged to make it better. Peter On Dec 7, 3:16 pm, David Pollak feeder.of.the.be...@gmail.com wrote: -- Forwarded message -- From: Dave Briccetti da...@davebsoft.com Date: Mon, Dec 7, 2009 at 3:15 PM Subject: Watch Foursquare Lift talk live from NY To: Bay Area Scala Enthusiasts scala-b...@googlegroups.com http://www.justin.tv/n8han -- You received this message because you are subscribed to the Google Groups Bay Area Scala Enthusiasts group. To post to this group, send email to scala-b...@googlegroups.com. To unsubscribe from this group, send email to scala-base+unsubscr...@googlegroups.comscala-base%2bunsubscr...@googlegroups.com scala-base%2bunsubscr...@googlegroups.comscala-base%252bunsubscr...@googlegroups.com . For more options, visit this group athttp:// groups.google.com/group/scala-base?hl=en. -- Lift, the simply functional web frameworkhttp://liftweb.net Beginning Scalahttp://www.apress.com/book/view/1430219890 Follow me:http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Sharing data between snippet functions during a single HTTP request
I'm sorry, I'm having trouble following your code, I think too much of the
surrounding code and templates is missing for me to reason about why you would
have a problem.
I set up a quick example app, so maybe the code from that will help you. It is
here:
http://github.com/Dridus/test-rqvarlog
If I understand you correctly, you're getting a log message like this one:
WARN - RequestVar test.snippet.HelloWorld$myVar$_ was set but not read
This message is from the code I posted:
package test.snippet
import _root_.scala.xml.NodeSeq
import _root_.net.liftweb.http.RequestVar
import _root_.net.liftweb.util.Helpers
import Helpers._
class HelloWorld {
object myVar extends RequestVar[Int](0)
def howdy(in: NodeSeq): NodeSeq = Helpers.bind(b, in, time - (new
_root_.java.util.Date).toString)
def increment(in: NodeSeq): NodeSeq = {
myVar.set(myVar.is + 1)
divincrement called/div
}
def show(in: NodeSeq): NodeSeq = divshow called -- myVar.is { myVar.is
}/div
}
lift:surround with=default at=content
h2Welcome to your project!/h2
p
lift:helloWorld.howdy
spanWelcome to test-rqvarlog at b:time//span
/lift:helloWorld.howdy
lift:HelloWorld.increment /
lift:HelloWorld.increment /
!-- lift:HelloWorld.show / --
/p
/lift:surround
If I uncomment the line with HelloWorld.show in the template, the log message
goes away because myVar.is is called.
If you are still getting the message, then that should mean that you are not
calling myVar.is in the same request.
HTH,
-Ross
On Dec 7, 2009, at 10:28 PM, Xuefeng Wu wrote:
My code :
object CompetenceMgr {
Menu(Loc(Competence, List(competence, index), S.?(Competence),
ifIsLoggedIn,
...
Loc.Snippet(buildCompetenceDicRows,
buildCompetenceDicRows),
Loc.Snippet(addCompetenceB, addCompetenceB),
private object _categoryId extends RequestVar[Long](0)
//build a competenceDic table
def buildCompetenceDicRows(xhtml: NodeSeq): NodeSeq = {
... ...
def makeCategoryRow(r: Category) = {
.
def categoryNode: NodeSeq = {
def categoryNodeLinkId = categoryNodeLinkId- + r.id
def selectCategoryNode: JsCmd = {
//here: set the _categoryId, but didn't work
_categoryId.set(r.id.is)
... ..
}
span id={categoryNodeLinkId} class='node_span'{a(() =
selectCategoryNode, Text(r.title.is))}/span
}
tr tdspan class=folder draggable droppable
id={categoeryId}{categoryNode}/span/td/tr % (id - nodeId) %
(class - nodeClass)
}
def buildCategoryRows: NodeSeq = {
val resourceData = Category.categoriesTreeList
(empty /: resourceData)((l, r) = l ++ makeCategoryRow(r))
}
buildCategoryRows
}
//it's a button for create competence
def addCompetenceB(xhtml: NodeSeq): NodeSeq = doCompetenceB(xhtml,add
Competence,null)
//a button for create or edit competence
def doCompetenceB(xhtml: NodeSeq,msg: String,competence: Competence):
NodeSeq = {
a(() = {
//here I try to get the categoryId if it selected.
val catId: Long = _categoryId.is
S.runTemplate(List(competence,_competence)).
map(ns = ModalDialog(doCompetenceEditor(ns,catId,competence)))
openOr
Alert(Couldn't find _competence template)},
Text(msg),class - button
)
}
On Tue, Dec 8, 2009 at 11:02 AM, Ross Mellgren dri...@gmail.com wrote:
Well if you logically expected it to be read but it wasn't, it might indicate
a bug to you or help in diagnosis.
I'm not sure I understand your reply fully -- when you added myId.is did the
log message go away? If not, could you post your code?
-Ross
On Dec 7, 2009, at 9:39 PM, Xuefeng Wu wrote:
I use myId.is but get nothing.
I don't know what I could do with the information.
On Tue, Dec 8, 2009 at 10:19 AM, Ross Mellgren dri...@gmail.com wrote:
I think that message is just informative, letting you know that you don't
seem to be using the request var fully (perhaps due to typo, or code
refactoring that made it unused, or something.)
I think it'll go away if you access the variable somewhere using myId.is.
-Ross
On Dec 7, 2009, at 9:02 PM, Xuefeng Wu wrote:
Hi ,
When I use RequestVar get the message: RequestVar ... was set but not
read
My code like this:
object MyMgr {
...
Loc.Snippet(myFoo,myFoo)
...
object myId extends RequestVar[Long](0)
def myFoo(xhtml: NodeSeq): NodeSeq = {
def selectNode = {
myId .set(vId)
}
bind(,xhtml,
node-a(() = selectNode,
Re: [Lift] re: what changes would need to be made so LIFT can work with HTML5
On Mon, Dec 7, 2009 at 3:49 PM, Alex Boisvert alex.boisv...@gmail.comwrote:
On Sun, Dec 6, 2009 at 7:43 PM, James Black planiturth...@gmail.comwrote:
I tried S.setDocType and got this error, using LIFT 1.0.1, with this bit
of code in Boot.scala:
class Boot {
def boot {
if (!DB.jndiJdbcConnAvailable_?)
DB.defineConnectionManager(DefaultConnectionIdentifier, DBVendor)
S.setDocType(Box(List(!DOCTYPE html)))
Oh, and you can't use S.setDocType() in Boot. You have to call it within
the scope of a session, e.g., inside a snippet.
Anything that accesses S is on a session-by-session (on in this case
request-by-request) basis.
However, the ResponseInfo.docType partial function is that thing that vends
the docType. Your best bet for changing the default of all pages is to do
the following in Boot.scala:
ResponseInfo.docType = {
case _ if S.skipDocType = Empty
case _ if S.getDocType._1 = S.getDocType._2
case _ = Full(!DOCTYPE html)
}
There are also other ways to set the docType, including providing it
explicitly in a LiftResponse, overriding LiftRules.convertResponse, etc...
alex
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Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Surf the harmonics
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[Lift] Re: vscaladoc broken?
Tim, A fix is up for review: http://reviewboard.liftweb.net/r/137/. This resolved the scala:doc inconsistency among other things. Cheers, Indrajit On Nov 30, 11:42 pm, Indrajit Raychaudhuri indraj...@gmail.com wrote: Short answer: Use mvn site for a couple of days to have the package link defs work, but ideally mvn scala:doc should be consistent. I'll fix that, give me a day or two please. Long answer: mvn site picks up plugin settings from reporting section and mvn scala:doc picks up plugin settings from build section. The trick (jvmArg -DpackageLinkDefs) is done in the maven-scala-plugin configuration in the reporting section. Per Maven's documentation build plugin settings (and thus config) should be picked up from their corresponding settings in reporting section (odd, but true). Strangely, that's happening for all the config elements except for jvmArgs/. So I'll go ahead and duplicate jvmArgs/ section in both places:report plugin and build plugin. Pain: Next up, you, or somebody else who is regularly doing mvn scala:doc locally (and want to stay offline) would find that with mvn site (or mvn scala:doc when the fix is in) you end up having the click thru to different package classes land up somewhere inhttp://scala-tools.org/mvnsites-snapshots/ instead of local filesystem. This is because, by default vscaladoc.links.liftweb.baseurl is set tohttp://scala-tools.org/mvnsites-snapshots/liftweb. Adjust this using -Dvscaladoc.links.liftweb.baseurl=local_lift_base during mvn site to circumvent that. Cheers, IRC On 30/11/09 7:00 PM, Timothy Perrett wrote: Hey :-) Yeah I did a mvn scala:doc - what should one run instead? mvn site? Cheers, Tim On 30 Nov 2009, at 13:16, Indrajit Raychaudhuri wrote: Tim, The scala-tools maven site honors the package link defs. Did you do scaladoc generation as part site build or as part of scala:doc? I am assuming you did the later. And quite likely the configuration for the jvmArgs (-DpackageLinkDefs in particular) isn't getting propagated from report plugin to build plugin. Please confirm if this is the case. Either way, please raise a ticket. I'll take a look tomorrow or day after. Cheers, Indrajit On Nov 30, 4:34 am, Timothy Perretttimo...@getintheloop.eu wrote: Guys, Since IRC did the refactor on the vscaladoc package link defs, it appears that you can no longer click through classes that are not in that package. For example, clicking through to Box from any package other than lift-common does nothing from a usability perspective, I think this could be problematic for newbies as thats how a lot of people learn by hoping through class to class... if its fundamentally broken, we have a problem. IRC, can you fix this please? Cheers, Tim -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Sharing data between snippet functions during a single HTTP request
Hi Ross,
Yes it's not in the same request.
My case is:
When user select a tree node, I want to store this nodeId and If user click
a button to create a child node, I want to get the selected node.
I use ModalDialog when user click the button to create now node.
On Tue, Dec 8, 2009 at 11:50 AM, Ross Mellgren dri...@gmail.com wrote:
I'm sorry, I'm having trouble following your code, I think too much of the
surrounding code and templates is missing for me to reason about why you
would have a problem.
I set up a quick example app, so maybe the code from that will help you. It
is here:
http://github.com/Dridus/test-rqvarlog
If I understand you correctly, you're getting a log message like this one:
WARN - RequestVar test.snippet.HelloWorld$myVar$_ was set but not read
This message is from the code I posted:
package test.snippet
import _root_.scala.xml.NodeSeq
import _root_.net.liftweb.http.RequestVar
import _root_.net.liftweb.util.Helpers
import Helpers._
class HelloWorld {
object myVar extends RequestVar[Int](0)
def howdy(in: NodeSeq): NodeSeq = Helpers.bind(b, in, time - (new
_root_.java.util.Date).toString)
def increment(in: NodeSeq): NodeSeq = {
myVar.set(myVar.is + 1)
divincrement called/div
}
def show(in: NodeSeq): NodeSeq = divshow called -- myVar.is {
myVar.is }/div
}
lift:surround with=default at=content
h2Welcome to your project!/h2
p
lift:helloWorld.howdy
spanWelcome to test-rqvarlog at b:time//span
/lift:helloWorld.howdy
lift:HelloWorld.increment /
lift:HelloWorld.increment /
!-- lift:HelloWorld.show / --
/p
/lift:surround
If I uncomment the line with HelloWorld.show in the template, the log
message goes away because myVar.is is called.
If you are still getting the message, then that should mean that you are
not calling myVar.is in the same request.
HTH,
-Ross
On Dec 7, 2009, at 10:28 PM, Xuefeng Wu wrote:
My code :
object CompetenceMgr {
Menu(Loc(Competence, List(competence, index), S.?(Competence),
ifIsLoggedIn,
...
Loc.Snippet(buildCompetenceDicRows, buildCompetenceDicRows),
Loc.Snippet(addCompetenceB, addCompetenceB),
private object *_categoryId *extends RequestVar[Long](0)
//build a competenceDic table
def buildCompetenceDicRows(xhtml: NodeSeq): NodeSeq = {
... ...
def *makeCategoryRow*(r: Category) = {
.
def *categoryNode*: NodeSeq = {
def categoryNodeLinkId = categoryNodeLinkId- + r.id
def selectCategoryNode: JsCmd = {
* //here: set the _categoryId, but didn't work*
_categoryId.set(r.id.is)
... ..
}
span id={categoryNodeLinkId} class='node_span'{a(() =
selectCategoryNode, Text(r.title.is))}/span
}
tr tdspan class=folder draggable droppable
id={categoeryId}{categoryNode}/span/td/tr % (id - nodeId) %
(class - nodeClass)
}
def *buildCategoryRows*: NodeSeq = {
val resourceData = Category.categoriesTreeList
(empty /: resourceData)((l, r) = l ++ *makeCategoryRow*(r))
}
*buildCategoryRows*
}
//it's a button for create competence
def *addCompetenceB*(xhtml: NodeSeq): NodeSeq = doCompetenceB(xhtml,add
Competence,null)
//a button for create or edit competence
def *doCompetenceB*(xhtml: NodeSeq,msg: String,competence: Competence):
NodeSeq = {
a(() = {
*//here I try to get the categoryId if it selected.*
val catId: Long = _categoryId.is
S.runTemplate(List(competence,_competence)).
map(ns =
ModalDialog(doCompetenceEditor(ns,catId,competence))) openOr
Alert(Couldn't find _competence template)},
Text(msg),class - button
)
}
On Tue, Dec 8, 2009 at 11:02 AM, Ross Mellgren dri...@gmail.com wrote:
Well if you logically expected it to be read but it wasn't, it might
indicate a bug to you or help in diagnosis.
I'm not sure I understand your reply fully -- when you added myId.is did
the log message go away? If not, could you post your code?
-Ross
On Dec 7, 2009, at 9:39 PM, Xuefeng Wu wrote:
I use myId.is but get nothing.
I don't know what I could do with the information.
On Tue, Dec 8, 2009 at 10:19 AM, Ross Mellgren dri...@gmail.com wrote:
I think that message is just informative, letting you know that you don't
seem to be using the request var fully (perhaps due to typo, or code
refactoring that made it unused, or something.)
I think it'll go away if you access the variable somewhere using myId.is
.
-Ross
On Dec 7, 2009, at 9:02 PM, Xuefeng Wu wrote:
Hi ,
When I use RequestVar get the message: RequestVar ... was set but not
read
My code like this:
object MyMgr {
...
Loc.Snippet(myFoo,myFoo)
...
object myId extends RequestVar[Long](0)
def myFoo(xhtml: NodeSeq):
Re: [Lift] Sharing data between snippet functions during a single HTTP request
My current solution is that when user select a tree node, I replace the add
button dependence on the node.
2009/12/8 Xuefeng Wu ben...@gmail.com
Hi Ross,
Yes it's not in the same request.
My case is:
When user select a tree node, I want to store this nodeId and If user click
a button to create a child node, I want to get the selected node.
I use ModalDialog when user click the button to create now node.
On Tue, Dec 8, 2009 at 11:50 AM, Ross Mellgren dri...@gmail.com wrote:
I'm sorry, I'm having trouble following your code, I think too much of the
surrounding code and templates is missing for me to reason about why you
would have a problem.
I set up a quick example app, so maybe the code from that will help you.
It is here:
http://github.com/Dridus/test-rqvarlog
If I understand you correctly, you're getting a log message like this one:
WARN - RequestVar test.snippet.HelloWorld$myVar$_ was set but not read
This message is from the code I posted:
package test.snippet
import _root_.scala.xml.NodeSeq
import _root_.net.liftweb.http.RequestVar
import _root_.net.liftweb.util.Helpers
import Helpers._
class HelloWorld {
object myVar extends RequestVar[Int](0)
def howdy(in: NodeSeq): NodeSeq = Helpers.bind(b, in, time - (new
_root_.java.util.Date).toString)
def increment(in: NodeSeq): NodeSeq = {
myVar.set(myVar.is + 1)
divincrement called/div
}
def show(in: NodeSeq): NodeSeq = divshow called -- myVar.is {
myVar.is }/div
}
lift:surround with=default at=content
h2Welcome to your project!/h2
p
lift:helloWorld.howdy
spanWelcome to test-rqvarlog at b:time//span
/lift:helloWorld.howdy
lift:HelloWorld.increment /
lift:HelloWorld.increment /
!-- lift:HelloWorld.show / --
/p
/lift:surround
If I uncomment the line with HelloWorld.show in the template, the log
message goes away because myVar.is is called.
If you are still getting the message, then that should mean that you are
not calling myVar.is in the same request.
HTH,
-Ross
On Dec 7, 2009, at 10:28 PM, Xuefeng Wu wrote:
My code :
object CompetenceMgr {
Menu(Loc(Competence, List(competence, index), S.?(Competence),
ifIsLoggedIn,
...
Loc.Snippet(buildCompetenceDicRows, buildCompetenceDicRows),
Loc.Snippet(addCompetenceB, addCompetenceB),
private object *_categoryId *extends RequestVar[Long](0)
//build a competenceDic table
def buildCompetenceDicRows(xhtml: NodeSeq): NodeSeq = {
... ...
def *makeCategoryRow*(r: Category) = {
.
def *categoryNode*: NodeSeq = {
def categoryNodeLinkId = categoryNodeLinkId- + r.id
def selectCategoryNode: JsCmd = {
* //here: set the _categoryId, but didn't work*
_categoryId.set(r.id.is)
... ..
}
span id={categoryNodeLinkId} class='node_span'{a(() =
selectCategoryNode, Text(r.title.is))}/span
}
tr tdspan class=folder draggable droppable
id={categoeryId}{categoryNode}/span/td/tr % (id - nodeId) %
(class - nodeClass)
}
def *buildCategoryRows*: NodeSeq = {
val resourceData = Category.categoriesTreeList
(empty /: resourceData)((l, r) = l ++ *makeCategoryRow*(r))
}
*buildCategoryRows*
}
//it's a button for create competence
def *addCompetenceB*(xhtml: NodeSeq): NodeSeq = doCompetenceB(xhtml,add
Competence,null)
//a button for create or edit competence
def *doCompetenceB*(xhtml: NodeSeq,msg: String,competence: Competence):
NodeSeq = {
a(() = {
*//here I try to get the categoryId if it selected.*
val catId: Long = _categoryId.is
S.runTemplate(List(competence,_competence)).
map(ns =
ModalDialog(doCompetenceEditor(ns,catId,competence))) openOr
Alert(Couldn't find _competence template)},
Text(msg),class - button
)
}
On Tue, Dec 8, 2009 at 11:02 AM, Ross Mellgren dri...@gmail.com wrote:
Well if you logically expected it to be read but it wasn't, it might
indicate a bug to you or help in diagnosis.
I'm not sure I understand your reply fully -- when you added myId.is did
the log message go away? If not, could you post your code?
-Ross
On Dec 7, 2009, at 9:39 PM, Xuefeng Wu wrote:
I use myId.is but get nothing.
I don't know what I could do with the information.
On Tue, Dec 8, 2009 at 10:19 AM, Ross Mellgren dri...@gmail.com wrote:
I think that message is just informative, letting you know that you
don't seem to be using the request var fully (perhaps due to typo, or code
refactoring that made it unused, or something.)
I think it'll go away if you access the variable somewhere using
myId.is.
-Ross
On Dec 7, 2009, at 9:02 PM, Xuefeng Wu wrote:
Hi ,
When I use RequestVar get the message: RequestVar ... was set but
not read
My
Re: [Lift] Sharing data between snippet functions during a single HTTP request
On Mon, Dec 7, 2009 at 8:37 PM, Xuefeng Wu ben...@gmail.com wrote:
Hi Ross,
Yes it's not in the same request.
It's not the same request. The code:
a(() = {
*//here I try to get the categoryId if it selected.*
val catId: Long = _categoryId.is
S.runTemplate(List(competence,_competence)).
map(ns = ModalDialog(doCompetenceEditor(ns,catId,competence)))
openOr
Alert(Couldn't find _competence template)},
Text(msg),class - button
)
The function passed to a() is evaluated in a separate request. It's
evaluated when the link is clicked and that's definitely a separate request.
My case is:
When user select a tree node, I want to store this nodeId and If user click
a button to create a child node, I want to get the selected node.
I use ModalDialog when user click the button to create now node.
On Tue, Dec 8, 2009 at 11:50 AM, Ross Mellgren dri...@gmail.com wrote:
I'm sorry, I'm having trouble following your code, I think too much of the
surrounding code and templates is missing for me to reason about why you
would have a problem.
I set up a quick example app, so maybe the code from that will help you.
It is here:
http://github.com/Dridus/test-rqvarlog
If I understand you correctly, you're getting a log message like this one:
WARN - RequestVar test.snippet.HelloWorld$myVar$_ was set but not read
This message is from the code I posted:
package test.snippet
import _root_.scala.xml.NodeSeq
import _root_.net.liftweb.http.RequestVar
import _root_.net.liftweb.util.Helpers
import Helpers._
class HelloWorld {
object myVar extends RequestVar[Int](0)
def howdy(in: NodeSeq): NodeSeq = Helpers.bind(b, in, time - (new
_root_.java.util.Date).toString)
def increment(in: NodeSeq): NodeSeq = {
myVar.set(myVar.is + 1)
divincrement called/div
}
def show(in: NodeSeq): NodeSeq = divshow called -- myVar.is {
myVar.is }/div
}
lift:surround with=default at=content
h2Welcome to your project!/h2
p
lift:helloWorld.howdy
spanWelcome to test-rqvarlog at b:time//span
/lift:helloWorld.howdy
lift:HelloWorld.increment /
lift:HelloWorld.increment /
!-- lift:HelloWorld.show / --
/p
/lift:surround
If I uncomment the line with HelloWorld.show in the template, the log
message goes away because myVar.is is called.
If you are still getting the message, then that should mean that you are
not calling myVar.is in the same request.
HTH,
-Ross
On Dec 7, 2009, at 10:28 PM, Xuefeng Wu wrote:
My code :
object CompetenceMgr {
Menu(Loc(Competence, List(competence, index), S.?(Competence),
ifIsLoggedIn,
...
Loc.Snippet(buildCompetenceDicRows, buildCompetenceDicRows),
Loc.Snippet(addCompetenceB, addCompetenceB),
private object *_categoryId *extends RequestVar[Long](0)
//build a competenceDic table
def buildCompetenceDicRows(xhtml: NodeSeq): NodeSeq = {
... ...
def *makeCategoryRow*(r: Category) = {
.
def *categoryNode*: NodeSeq = {
def categoryNodeLinkId = categoryNodeLinkId- + r.id
def selectCategoryNode: JsCmd = {
* //here: set the _categoryId, but didn't work*
_categoryId.set(r.id.is)
... ..
}
span id={categoryNodeLinkId} class='node_span'{a(() =
selectCategoryNode, Text(r.title.is))}/span
}
tr tdspan class=folder draggable droppable
id={categoeryId}{categoryNode}/span/td/tr % (id - nodeId) %
(class - nodeClass)
}
def *buildCategoryRows*: NodeSeq = {
val resourceData = Category.categoriesTreeList
(empty /: resourceData)((l, r) = l ++ *makeCategoryRow*(r))
}
*buildCategoryRows*
}
//it's a button for create competence
def *addCompetenceB*(xhtml: NodeSeq): NodeSeq = doCompetenceB(xhtml,add
Competence,null)
//a button for create or edit competence
def *doCompetenceB*(xhtml: NodeSeq,msg: String,competence: Competence):
NodeSeq = {
a(() = {
*//here I try to get the categoryId if it selected.*
val catId: Long = _categoryId.is
S.runTemplate(List(competence,_competence)).
map(ns =
ModalDialog(doCompetenceEditor(ns,catId,competence))) openOr
Alert(Couldn't find _competence template)},
Text(msg),class - button
)
}
On Tue, Dec 8, 2009 at 11:02 AM, Ross Mellgren dri...@gmail.com wrote:
Well if you logically expected it to be read but it wasn't, it might
indicate a bug to you or help in diagnosis.
I'm not sure I understand your reply fully -- when you added myId.is did
the log message go away? If not, could you post your code?
-Ross
On Dec 7, 2009, at 9:39 PM, Xuefeng Wu wrote:
I use myId.is but get nothing.
I don't know what I could do with the information.
On
Re: [Lift] Sharing data between snippet functions during a single HTTP request
On Mon, Dec 7, 2009 at 8:46 PM, Xuefeng Wu ben...@gmail.com wrote:
My current solution is that when user select a tree node, I replace the add
button dependence on the node.
If you can create a very simple example of what you're trying to do, we can
help you debug the actual, runnable code.
2009/12/8 Xuefeng Wu ben...@gmail.com
Hi Ross,
Yes it's not in the same request.
My case is:
When user select a tree node, I want to store this nodeId and If user
click a button to create a child node, I want to get the selected node.
I use ModalDialog when user click the button to create now node.
On Tue, Dec 8, 2009 at 11:50 AM, Ross Mellgren dri...@gmail.com wrote:
I'm sorry, I'm having trouble following your code, I think too much of
the surrounding code and templates is missing for me to reason about why you
would have a problem.
I set up a quick example app, so maybe the code from that will help you.
It is here:
http://github.com/Dridus/test-rqvarlog
If I understand you correctly, you're getting a log message like this
one:
WARN - RequestVar test.snippet.HelloWorld$myVar$_ was set but not read
This message is from the code I posted:
package test.snippet
import _root_.scala.xml.NodeSeq
import _root_.net.liftweb.http.RequestVar
import _root_.net.liftweb.util.Helpers
import Helpers._
class HelloWorld {
object myVar extends RequestVar[Int](0)
def howdy(in: NodeSeq): NodeSeq = Helpers.bind(b, in, time -
(new _root_.java.util.Date).toString)
def increment(in: NodeSeq): NodeSeq = {
myVar.set(myVar.is + 1)
divincrement called/div
}
def show(in: NodeSeq): NodeSeq = divshow called -- myVar.is {
myVar.is }/div
}
lift:surround with=default at=content
h2Welcome to your project!/h2
p
lift:helloWorld.howdy
spanWelcome to test-rqvarlog at b:time//span
/lift:helloWorld.howdy
lift:HelloWorld.increment /
lift:HelloWorld.increment /
!-- lift:HelloWorld.show / --
/p
/lift:surround
If I uncomment the line with HelloWorld.show in the template, the log
message goes away because myVar.is is called.
If you are still getting the message, then that should mean that you are
not calling myVar.is in the same request.
HTH,
-Ross
On Dec 7, 2009, at 10:28 PM, Xuefeng Wu wrote:
My code :
object CompetenceMgr {
Menu(Loc(Competence, List(competence, index), S.?(Competence),
ifIsLoggedIn,
...
Loc.Snippet(buildCompetenceDicRows, buildCompetenceDicRows),
Loc.Snippet(addCompetenceB, addCompetenceB),
private object *_categoryId *extends RequestVar[Long](0)
//build a competenceDic table
def buildCompetenceDicRows(xhtml: NodeSeq): NodeSeq = {
... ...
def *makeCategoryRow*(r: Category) = {
.
def *categoryNode*: NodeSeq = {
def categoryNodeLinkId = categoryNodeLinkId- + r.id
def selectCategoryNode: JsCmd = {
* //here: set the _categoryId, but didn't work*
_categoryId.set(r.id.is)
... ..
}
span id={categoryNodeLinkId} class='node_span'{a(() =
selectCategoryNode, Text(r.title.is))}/span
}
tr tdspan class=folder draggable droppable
id={categoeryId}{categoryNode}/span/td/tr % (id - nodeId) %
(class - nodeClass)
}
def *buildCategoryRows*: NodeSeq = {
val resourceData = Category.categoriesTreeList
(empty /: resourceData)((l, r) = l ++ *makeCategoryRow*(r))
}
*buildCategoryRows*
}
//it's a button for create competence
def *addCompetenceB*(xhtml: NodeSeq): NodeSeq =
doCompetenceB(xhtml,add Competence,null)
//a button for create or edit competence
def *doCompetenceB*(xhtml: NodeSeq,msg: String,competence:
Competence): NodeSeq = {
a(() = {
*//here I try to get the categoryId if it selected.*
val catId: Long = _categoryId.is
S.runTemplate(List(competence,_competence)).
map(ns =
ModalDialog(doCompetenceEditor(ns,catId,competence))) openOr
Alert(Couldn't find _competence template)},
Text(msg),class - button
)
}
On Tue, Dec 8, 2009 at 11:02 AM, Ross Mellgren dri...@gmail.com wrote:
Well if you logically expected it to be read but it wasn't, it might
indicate a bug to you or help in diagnosis.
I'm not sure I understand your reply fully -- when you added myId.isdid
the log message go away? If not, could you post your code?
-Ross
On Dec 7, 2009, at 9:39 PM, Xuefeng Wu wrote:
I use myId.is but get nothing.
I don't know what I could do with the information.
On Tue, Dec 8, 2009 at 10:19 AM, Ross Mellgren dri...@gmail.comwrote:
I think that message is just informative, letting you know that you
don't seem to be using the request var fully (perhaps due to typo, or code
refactoring that made it unused, or something.)
I think it'll go away if you
Re: [Lift] Re: Newbie on Lift Scala: Build in class source code?
Hi,
I've you're running against an h2 database, you can add the following to the
end of your Boot.boot to launch the h2 web console when every you start up
jetty. It's a very simple web interface to the database, but super convenient
(it will even launch your browser for you):
if (Props.devMode) {
import org.h2.server.web.WebServer
import _root_.org.h2.tools.Server
import _root_.org.h2.util.StartBrowser
val webServer = new WebServer()
val server = new Server(webServer, -webPort, 0)
server.start
DBVendor.newConnection(DefaultConnectionIdentifier).map(c= {
val url = webServer.addSession(c)
Log.info(H2 WebConsole at:\n + url)
StartBrowser.openURL(url)
})
}
To start using h2, if you're not already:
add this to the dependencies section of your pom.xml:
dependency
groupIdcom.h2database/groupId
artifactIdh2/artifactId
version1.2.121/version
/dependency
And change this in Boot.scala:
from: DB.defineConnectionManager(DefaultConnectionIdentifier, DBVendor)
to:
DB.defineConnectionManager(DefaultConnectionIdentifier,
new StandardDBVendor(Props.get(db.driver) openOr
org.h2.Driver,
Props.get(db.url) openOr jdbc:h2:lift_proto.db,
Props.get(db.user), Props.get(db.password)))
On Dec 7, 2009, at 12:21 PM, David Pollak wrote:
On Mon, Dec 7, 2009 at 9:14 AM, itsjar its...@gmail.com wrote:
thanks again to the guys who put their efforts in answering questions
here.
I'll try a different approach this time.
I would suggest building the To Do app as a first step:
http://liftweb.net/docs/getting_started/mod_master.html
You'll get a lot of exposure to Lift in bite-sized chunks. Once you've gone
through the demo, then you can move on to other things, including building
your own authentication system.
Why do I suggest this? (1) Learning Scala's syntax and some of Scala's
idioms gives you better grounding for understanding ProtoUser (2) seeing how
to build simple Mapper classes will give you a better understanding of the
more complex ones (3) walking before you run helps you to not fall down and
skin your knees.
But we are here... the whole 1,500+ member Lift community. We take newbies
very seriously and want to help them because we know that they'll help other
newbies one day.
Thanks,
David
Let's hope I get somewhere since our decision whether we will use lift
or not will depends on this.
On Dec 7, 4:23 am, Alex Boisvert alex.boisv...@gmail.com wrote:
Part of the source for these objects is automatically created when you
generate your lift app using the Maven archetype. For example, you'll find
the source to the User class unde
src/main/scala/com/liftworkshop/model/User.scala.
For classes that are part of the framework, such as MegaProtoUser etc.
you'll find the source on Github athttp://github.com/dpp/liftweb/and more
specifically look at ProtoUser.scala
underhttp://github.com/dpp/liftweb/tree/master/lift-persistence/lift-mappe
Also be sure to select the branch of Lift that you are using in order to
avoid confusion.
Good luck and keep asking question ;)
alex
On Sun, Dec 6, 2009 at 3:54 PM, itsjar its...@gmail.com wrote:
Hi,
I'm considering building a web application with my software
engineering group in Lift.
However when I started with lift I was surprised that I received a
whole log in / sign up website by
just using the MegaProtoUser.
This was at first sight fun, but I started wondering (and I'm pretty
sure my professor will say the same): Do I really know what I just
did?.
So I decided to try and rebuild the Log in / Sign up thing from
scratch by using my own plain objects.
Ive been working on that for 2 days and It's been s frustrating.
I've been reading the lift book... Tutorials.. but all of them start
with the MegaProtoUser.
In 1.5 days time I only managed to make an index (signup) page with a
username/password field and a button which then redirects to a new
page.
Let me tell you in advance, I am totally new to Web developing.
Problems I have right now:
- I have no idea if my code actually created a User in my database
and I have no idea how to check it...
- I have no idea how to log in a user. I saw code in the sample
programs that compare the current logged in user with other users by
using a select statement. However retrieving the current user is based
upon the MegaProtoUser. I wonder how this is done behind my back since
I have no idea how to keep a variable of a 'logged in user' which
stays active across all pages..
Because of these problems I thought it might be useful to see the
source code of the classes..
Is it possible to see the scala source code of these classes?
Thanks,
itsjar
--
You received this message
Re: [Lift] Re: Fwd: Watch Foursquare Lift talk live from NY
I can't seem to be able to download the talk. Anyone else having problems? M On Mon, Dec 7, 2009 at 7:59 PM, Peter Robinett pe...@bubblefoundry.com wrote: If you missed the talk you can download it from the same link. It's a good one. One thing mentioned briefly in the talk that I'd like to know more about is oAuth Server code. Is anyone working on that? How can I help? Peter On Dec 7, 3:16 pm, David Pollak feeder.of.the.be...@gmail.com wrote: -- Forwarded message -- From: Dave Briccetti da...@davebsoft.com Date: Mon, Dec 7, 2009 at 3:15 PM Subject: Watch Foursquare Lift talk live from NY To: Bay Area Scala Enthusiasts scala-b...@googlegroups.com http://www.justin.tv/n8han -- You received this message because you are subscribed to the Google Groups Bay Area Scala Enthusiasts group. To post to this group, send email to scala-b...@googlegroups.com. To unsubscribe from this group, send email to scala-base+unsubscr...@googlegroups.comscala-base%2bunsubscr...@googlegroups.com . For more options, visit this group athttp://groups.google.com/group/scala-base?hl=en. -- Lift, the simply functional web frameworkhttp://liftweb.net Beginning Scalahttp://www.apress.com/book/view/1430219890 Follow me:http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: Fwd: Watch Foursquare Lift talk live from NY
On Mon, Dec 7, 2009 at 8:50 PM, Mateo Barraza mateo.barr...@gmail.comwrote: I can't seem to be able to download the talk. Anyone else having problems? Yeah... n8han's uploading the video elsewhere... we'll send around an URL once we get one. M On Mon, Dec 7, 2009 at 7:59 PM, Peter Robinett pe...@bubblefoundry.com wrote: If you missed the talk you can download it from the same link. It's a good one. One thing mentioned briefly in the talk that I'd like to know more about is oAuth Server code. Is anyone working on that? How can I help? Peter On Dec 7, 3:16 pm, David Pollak feeder.of.the.be...@gmail.com wrote: -- Forwarded message -- From: Dave Briccetti da...@davebsoft.com Date: Mon, Dec 7, 2009 at 3:15 PM Subject: Watch Foursquare Lift talk live from NY To: Bay Area Scala Enthusiasts scala-b...@googlegroups.com http://www.justin.tv/n8han -- You received this message because you are subscribed to the Google Groups Bay Area Scala Enthusiasts group. To post to this group, send email to scala-b...@googlegroups.com. To unsubscribe from this group, send email to scala-base+unsubscr...@googlegroups.comscala-base%2bunsubscr...@googlegroups.com scala-base%2bunsubscr...@googlegroups.comscala-base%252bunsubscr...@googlegroups.com . For more options, visit this group athttp:// groups.google.com/group/scala-base?hl=en. -- Lift, the simply functional web frameworkhttp://liftweb.net Beginning Scalahttp://www.apress.com/book/view/1430219890 Follow me:http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Sharing data between snippet functions during a single HTTP request
Hi David Ross,
Thank you for your help,
I understand RequestVar now, which muse be used in the same request.
My case is that I have a tree and a separate button.
When use click the tree node, the separate button should know which node is
selected.
Right now I replace the separate button when use click the tree node and it
worked.
I don't want to use session and I think it's better not replace the button.
But I don't have idea how to do.
On Tue, Dec 8, 2009 at 12:49 PM, David Pollak feeder.of.the.be...@gmail.com
wrote:
On Mon, Dec 7, 2009 at 8:46 PM, Xuefeng Wu ben...@gmail.com wrote:
My current solution is that when user select a tree node, I replace the
add button dependence on the node.
If you can create a very simple example of what you're trying to do, we can
help you debug the actual, runnable code.
2009/12/8 Xuefeng Wu ben...@gmail.com
Hi Ross,
Yes it's not in the same request.
My case is:
When user select a tree node, I want to store this nodeId and If user
click a button to create a child node, I want to get the selected node.
I use ModalDialog when user click the button to create now node.
On Tue, Dec 8, 2009 at 11:50 AM, Ross Mellgren dri...@gmail.com wrote:
I'm sorry, I'm having trouble following your code, I think too much of
the surrounding code and templates is missing for me to reason about why
you
would have a problem.
I set up a quick example app, so maybe the code from that will help you.
It is here:
http://github.com/Dridus/test-rqvarlog
If I understand you correctly, you're getting a log message like this
one:
WARN - RequestVar test.snippet.HelloWorld$myVar$_ was set but not read
This message is from the code I posted:
package test.snippet
import _root_.scala.xml.NodeSeq
import _root_.net.liftweb.http.RequestVar
import _root_.net.liftweb.util.Helpers
import Helpers._
class HelloWorld {
object myVar extends RequestVar[Int](0)
def howdy(in: NodeSeq): NodeSeq = Helpers.bind(b, in, time -
(new _root_.java.util.Date).toString)
def increment(in: NodeSeq): NodeSeq = {
myVar.set(myVar.is + 1)
divincrement called/div
}
def show(in: NodeSeq): NodeSeq = divshow called -- myVar.is {
myVar.is }/div
}
lift:surround with=default at=content
h2Welcome to your project!/h2
p
lift:helloWorld.howdy
spanWelcome to test-rqvarlog at b:time//span
/lift:helloWorld.howdy
lift:HelloWorld.increment /
lift:HelloWorld.increment /
!-- lift:HelloWorld.show / --
/p
/lift:surround
If I uncomment the line with HelloWorld.show in the template, the log
message goes away because myVar.is is called.
If you are still getting the message, then that should mean that you are
not calling myVar.is in the same request.
HTH,
-Ross
On Dec 7, 2009, at 10:28 PM, Xuefeng Wu wrote:
My code :
object CompetenceMgr {
Menu(Loc(Competence, List(competence, index), S.?(Competence),
ifIsLoggedIn,
...
Loc.Snippet(buildCompetenceDicRows, buildCompetenceDicRows),
Loc.Snippet(addCompetenceB, addCompetenceB),
private object *_categoryId *extends RequestVar[Long](0)
//build a competenceDic table
def buildCompetenceDicRows(xhtml: NodeSeq): NodeSeq = {
... ...
def *makeCategoryRow*(r: Category) = {
.
def *categoryNode*: NodeSeq = {
def categoryNodeLinkId = categoryNodeLinkId- + r.id
def selectCategoryNode: JsCmd = {
* //here: set the _categoryId, but didn't work*
_categoryId.set(r.id.is)
... ..
}
span id={categoryNodeLinkId} class='node_span'{a(() =
selectCategoryNode, Text(r.title.is))}/span
}
tr tdspan class=folder draggable droppable
id={categoeryId}{categoryNode}/span/td/tr % (id - nodeId) %
(class - nodeClass)
}
def *buildCategoryRows*: NodeSeq = {
val resourceData = Category.categoriesTreeList
(empty /: resourceData)((l, r) = l ++ *makeCategoryRow*(r))
}
*buildCategoryRows*
}
//it's a button for create competence
def *addCompetenceB*(xhtml: NodeSeq): NodeSeq =
doCompetenceB(xhtml,add Competence,null)
//a button for create or edit competence
def *doCompetenceB*(xhtml: NodeSeq,msg: String,competence:
Competence): NodeSeq = {
a(() = {
*//here I try to get the categoryId if it selected.*
val catId: Long = _categoryId.is
S.runTemplate(List(competence,_competence)).
map(ns =
ModalDialog(doCompetenceEditor(ns,catId,competence))) openOr
Alert(Couldn't find _competence template)},
Text(msg),class - button
)
}
On Tue, Dec 8, 2009 at 11:02 AM, Ross Mellgren dri...@gmail.comwrote:
Well if you logically expected it to be read but it wasn't, it might
indicate a bug to you or help in diagnosis.
I'm not sure I understand your reply
Re: [Lift] Re: Fwd: Watch Foursquare Lift talk live from NY
6:30 p.m. the time zone is -8:00? On Tue, Dec 8, 2009 at 12:58 PM, David Pollak feeder.of.the.be...@gmail.com wrote: On Mon, Dec 7, 2009 at 8:50 PM, Mateo Barraza mateo.barr...@gmail.comwrote: I can't seem to be able to download the talk. Anyone else having problems? Yeah... n8han's uploading the video elsewhere... we'll send around an URL once we get one. M On Mon, Dec 7, 2009 at 7:59 PM, Peter Robinett pe...@bubblefoundry.com wrote: If you missed the talk you can download it from the same link. It's a good one. One thing mentioned briefly in the talk that I'd like to know more about is oAuth Server code. Is anyone working on that? How can I help? Peter On Dec 7, 3:16 pm, David Pollak feeder.of.the.be...@gmail.com wrote: -- Forwarded message -- From: Dave Briccetti da...@davebsoft.com Date: Mon, Dec 7, 2009 at 3:15 PM Subject: Watch Foursquare Lift talk live from NY To: Bay Area Scala Enthusiasts scala-b...@googlegroups.com http://www.justin.tv/n8han -- You received this message because you are subscribed to the Google Groups Bay Area Scala Enthusiasts group. To post to this group, send email to scala-b...@googlegroups.com. To unsubscribe from this group, send email to scala-base+unsubscr...@googlegroups.comscala-base%2bunsubscr...@googlegroups.com scala-base%2bunsubscr...@googlegroups.comscala-base%252bunsubscr...@googlegroups.com . For more options, visit this group athttp:// groups.google.com/group/scala-base?hl=en. -- Lift, the simply functional web frameworkhttp://liftweb.net Beginning Scalahttp://www.apress.com/book/view/1430219890 Follow me:http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Scala中文社区: http://groups.google.com/group/scalacn -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] highlight the lift notices in some seconds
Hi, I want to highlight the lift notice and it will hide when timeout. Should I code every request or only to config lift some where? For example: When use put items into the shopping cart, highlight the items some seconds to notice the user. -- Scala中文社区: http://groups.google.com/group/scalacn -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Next Lift version will be 2.0
2009/12/7 Josh Suereth joshua.suer...@gmail.com Just curious what the difference between Major and Minor truly is as both can break source/binary compatibility? My feeling here is that sticking to strick source-compatibility for minor releases is actually a bonus. Major changes (e.g. moving/renaming an API class, changing an API method's signature, etc.) will break source compatibility for sure, i.e. for users and implementers. Minor changes (e.g. adding an abstract method to an API trait) will at maximum break source compatibility for implementers. So from a user's perspective minor changes add new stuff which could be used but do not break source compatibility, whereas major changes will require changing the source code. Examples: Renaming LiftRules to LiftConfig is a major change, adding a second parameter to LiftRules.parseDate is also a major change. But adding a second method LiftRules.parseDate is only a minor change (in this case even binary compatibility should be given). The other question I have is about deprecations. What's your plan for handling these? When can deprecated features be removed, etc. That might feed into the source-compatibility issues in minor versions. This is a good question and I do not have a plan yet ;-) As a first shot I would say that deprecated features have to survive all minor changes (must not break source compatibility for users) and maybe one major change. The latter is the question we have to discuss ... I think this is great stuff! Whatever is decided here will help shape the future of the Scala community's versioning, so I hope you don't mind my pestering ;) Don't worry ;-) Heiko My job: weiglewilczek.com My blog: heikoseeberger.name Follow me: twitter.com/hseeberger OSGi on Scala: scalamodules.org Lift, the simply functional web framework: liftweb.net -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: highlight the lift notices in some seconds
Please see this: http://groups.google.com/group/liftweb/browse_thread/thread/972562da2c40ce88/ea30455fc11d4e1f?hl=enlnk=gstq=notice+fade#ea30455fc11d4e1f If you are using Ajax, notices could easily fade out. Br's, Marius On Dec 8, 8:02 am, Xuefeng Wu ben...@gmail.com wrote: Hi, I want to highlight the lift notice and it will hide when timeout. Should I code every request or only to config lift some where? For example: When use put items into the shopping cart, highlight the items some seconds to notice the user. -- Scala中文社区: http://groups.google.com/group/scalacn -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: highlight the lift notices in some seconds
Yes, it's my wanted. How could I configure it at boot? On Tue, Dec 8, 2009 at 3:44 PM, Marius marius.dan...@gmail.com wrote: Please see this: http://groups.google.com/group/liftweb/browse_thread/thread/972562da2c40ce88/ea30455fc11d4e1f?hl=enlnk=gstq=notice+fade#ea30455fc11d4e1f If you are using Ajax, notices could easily fade out. Br's, Marius On Dec 8, 8:02 am, Xuefeng Wu ben...@gmail.com wrote: Hi, I want to highlight the lift notice and it will hide when timeout. Should I code every request or only to config lift some where? For example: When use put items into the shopping cart, highlight the items some seconds to notice the user. -- Scala中文社区: http://groups.google.com/group/scalacn -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Scala中文社区: http://groups.google.com/group/scalacn -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
