date:20100105

Hi,

I am looking for a tutorial about using an external tomcat server with
gwt 2.0. I could only find discussions about older GWT versions, and
actually I am stuck at this step.

Does somebody can show me the steps how I can use the sample gwt
project, which will be created by the google eclipse plugin, on an
external tomcat server?

Thanks a lot.

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Re: Step-by-Step tutorial how to use external Tomcat with GWT 2.0

2010-01-05 Thread olivier nouguier

Hi,
1: You'll just need to deploy your server side application.
2: Start the external server.

3: Start the GWT Server (GWT application with eclipse plugin) *without* the
embded server.
4: browse to your html/jsp page hosting your gwt application with the extra
parameter:
?gwt.codesvr=134.40.251.239:9997 (adapt of course with your IP address).
Without this parameter you will use the deployed(js compiled) GWT code.

HIH

On Tue, Jan 5, 2010 at 10:54 AM, ojay oliver.ja...@googlemail.com wrote:

Hi,

I am looking for a tutorial about using an external tomcat server with
gwt 2.0. I could only find discussions about older GWT versions, and
actually I am stuck at this step.

Does somebody can show me the steps how I can use the sample gwt
project, which will be created by the google eclipse plugin, on an
external tomcat server?

Thanks a lot.

--
A coward is incapable of exhibiting love; it is the prerogative of the
brave.
--
Mohandas Gandhi

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Re: change style to Menubar

2010-01-05 Thread HDayi

any clue how to do it? i am a new bee and i couldn't get the popup
class.

thx

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Problem to Display Image at IE8 browser

2010-01-05 Thread avd

Dear Sir,
i am developing a project in which i waht to show image after
browsing.My problem is when i browse image at IE7 or previous version
it displayed but this ih not work at IE8 and Firefox broswers.
Please help me...


Thank in advance..


With Regards
Avdhesh

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Re: Slowdown of GWT while loading

2010-01-05 Thread Sripathi Krishnan

So, what are the file sizes of 1.cache.html through 5.cache.html ? I am
guessing they are very small as compared to c.cache.html...

If that's the case, your code-splitting methodology has problems. The last
fragment is the 'leftover' fragment. Any code fragment which is being used
by more than one async block ends up in the leftover fragment.

Couple of recommendations -

1. What pattern are you using to split your code base?
I would recommend using the Async Provider pattern. Its the only thing
that worked reliably for me.
2. Have you yet run the soyc dashboard?
If not, you should absolutely do so. This paragraph from the
CodeSplitting wiki applies to you.

A less common example is that you expected an item to be exclusive to
some split point, but actually it's only included in leftover fragments. In
this case, browse to the item via the total program code subset. You will
then get a page describing where the code of that item ended up. If the
item
is not exclusive to any split point, then you will be shown a list of all
split points. If you click on any of them, you will be shown a dependency
chain for the item that does not include the split point you selected. To
get the item exclusive to some split point, choose a split point, click on
it, and then break a link in the dependency chain that comes up.

The Code Splitting documentation can be found here -
http://code.google.com/p/google-web-toolkit/wiki/CodeSplitting

--Sri

2010/1/5 Raul raahoo...@gmail.com

Hello all,

I am developing a Database application using GWT. From very initial
stage I was having slow loading problem in my app and now, as the
volume and number of files gradually increasing, it is becoming
worsened in terms of loading. Now my application is taking more than a
minute, sometimes even more than 2 minutes to load the application in
client.

I have modified my coding style by best possible way I can, but it is
not helping me out any ways to reduce the loading time.

I have 6 .cache.html file in my application_name folder [which are
generated by GWT compiler] each having average 7.5 MB in size.

Please help me out in this issue, otherwise choosing GWT for building
my application will turns out to be a wrong decision.

Thanks in advance.
Raul

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user by default

2010-01-05 Thread Acerezo

Can I get the user account by default if the user is al ready loggin
in igoogle, gmail, etc?

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Re: Step-by-Step tutorial how to use external Tomcat with GWT 2.0

Hi,

I tried this before, but i am also using maven for project building. So i
added pom.xml to my Web Application project (created with GEP) and when i
executed mvn eclipse:eclipse (in order to add my dependencies to the web app
project) dev mode stopped working( no change is made after refresh the
browser). The change is done only if i compile the web app project. Do you
have any expirience with GEP + maven + external server?

Regards.

On Tue, Jan 5, 2010 at 12:09 PM, olivier nouguier
olivier.nougu...@gmail.com wrote:

Hi,
1: You'll just need to deploy your server side application.
2: Start the external server.

HIH

On Tue, Jan 5, 2010 at 10:54 AM, ojay oliver.ja...@googlemail.com wrote:

Hi,

I am looking for a tutorial about using an external tomcat server with
gwt 2.0. I could only find discussions about older GWT versions, and
actually I am stuck at this step.

Does somebody can show me the steps how I can use the sample gwt
project, which will be created by the google eclipse plugin, on an
external tomcat server?

Thanks a lot.

--
A coward is incapable of exhibiting love; it is the prerogative of the
brave.
--
Mohandas Gandhi

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GWT Intigration with existing project .... Hosted mode issues.

2010-01-05 Thread girishrathod

Hello Friends 

I don't understand why it should be so difficult to integrate the GWT with  
the current application, I have been struggling for few weeks now ( not  
full time , of course)
Definitely ... there should be some help available which I'm not able to  
find, I'm currently like beating around the bushes to make progress.
If anyone knows , please forward me any articles where there is some  
guideline regarding integrating GWT with the existing project.


Currently I'm desperately stuck at a place where the hosted mode is not  
able to find module.gwt.xml(CASE I below ) or the entry point classes  
(CASE II below )... don't know why.

I'm using eclipse 3.5 (Galileo) 'Run configuration' to build my application  
which uses GWT 1.7

I'm sorry to be so descriptive but I really want you to understand what I'm  
doing and to get some help.


Following is my folder structure 


Current existing Project :-

-src
--main
---java
com
-package1
--package2


New GWT folders in the same above existing project :-

-src
--main
---java
(MyApplication.gwt.xml)
com
-gwtAppl
--client
--server


Build ( Output Folders )

-build
--classes
---com
.


My eclipse's 'Run configuration' class-path contains all the gwt-xxx.jars  
and according to above folder structure, the entries like ...
src/main/java/ and I think the source tab also has the path of all the  
source files



=== CASE I 

Log in the hosted mode console 

[INFO] Starting HTTP on port 8081
[TRACE] Starting URL: http://localhost:8081/MyApplication
[TRACE] Request 0: http://localhost:8081/MyApplication
[TRACE] Request 1: http://localhost:8081/myapplication/
[TRACE] The development shell servlet received a request to generate a host  
page for module 'myapplication'
[TRACE] Request 2:  
http://localhost:8081/myapplication/myapplication.nocache.js
[TRACE] The development shell servlet received a request  
for 'myapplication.nocache.js' in module 'myapplication.gwt.xml'
[TRACE] Request 3: http://localhost:8081/myapplication/hosted.html
[TRACE] The development shell servlet received a request for 'hosted.html'  
in module 'myapplication.gwt.xml'
[TRACE] Request 4:  
http://localhost:8081/myapplication/gwt/standard/standard.css
[TRACE] The development shell servlet received a request  
for 'gwt/standard/standard.css' in module 'myapplication.gwt.xml'
[DEBUG] Loading an instance of module 'myapplication'
[DEBUG] Refreshing module from source
[TRACE] Finding entry point classes
[ERROR] Unable to find type 'com.mycompany.client.MyApplication'
[ERROR] Hint: Previous compiler errors may have made this type unavailable
[ERROR] Hint: Check the inheritance chain from your module; it may not be  
inheriting a required module or a module may not be adding its source path  
entries properly
[ERROR] Failure to load module 'myapplication'


According to the log above, it looks like it's not able to load  
the 'instance' of the module .. 'MyApplication'.


=== CASE II 

Keeping all the above configuration same, when I move MyApplication.gwt.xml  
as below ..

-src
--main
---java
com
-gwtAppl
(MyApplication.gwt.xml)
--client
--server

The the host mode error is as follows ...

[INFO] Starting HTTP on port 8081
[TRACE] Starting URL: http://localhost:8081/MyApplication
[TRACE] Request 0: http://localhost:8081/MyApplication
[TRACE] Loading module 'MyApplication'
[ERROR] Unable to find 'MyApplication.gwt.xml' on your classpath; could be  
a typo, or maybe you forgot to include a classpath entry for source?
[TRACE] Request 1: http://localhost:8081/MyApplication/
[TRACE] Loading module 'MyApplication'
[ERROR] Unable to find 'MyApplication.gwt.xml' on your classpath; could be  
a typo, or maybe you forgot to include a classpath entry for source?
[TRACE] The development shell servlet received a request to generate a host  
page for module 'MyApplication'
[TRACE] Loading module 'MyApplication'
[ERROR] Unable to find 'MyApplication.gwt.xml' on your classpath; could be  
a typo, or maybe you forgot to include a classpath entry for source?

in this I guess it's not able to find the gwt.xml itself. In this case ,  
inside the 'run configuration' under GWT tab, it shows the this file and  
the path where it is placed.

Please let me know if you need to know anything more 

Thanks a lot for reading this ...

Girish

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Re: user by default

2010-01-05 Thread Nicanor Cristian

GWT has nothing to do with that because is a client-side framework. What 
you want to do is done server-side and therefore it doesn't matter 
whether you are using GWT or not.

On 01/05/2010 01:12 PM, Acerezo wrote:
 Can I get the user account by default if the user is al ready loggin
 in igoogle, gmail, etc?

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Re: frustrated with Google Eclipse Plugin and Maven gwt-maven-plugin integration

2010-01-05 Thread Kees

Hi there,

would you happen to have your working project available?

I can't seem to get debugging working in this configuration.

On 2 dec 2009, 23:48, Karthik Abram karthik.ab...@gmail.com wrote:
 I don't have it working with the Google eclipse plugin ... but I did
 get it working where compilation is no slower than the Google Eclipse
 plugin and debugging is just as fast (using maven compile target and
 java app launch config for debugging). I did have to get
 gwt-maven-plugin 1.2-SNAPSHOT to get it going. I don't have a
 ready-to-share version ... just as yet. Give me a few days and I can
 perhaps share the code with you.

 On Wed, Dec 2, 2009 at 4:04 PM, bkbonner brian.bon...@paraware.com wrote:
  Does anyone have this working well and can share a decent archetype
  for 2.0 RC2 that works with maven and google eclipse plugin?

  Does anyone have google eclipse plugin and maven working well together
  and can generate an archetype (it's a simple command) that can be
  shared?

  Brian

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Re: Step-by-Step tutorial how to use external Tomcat with GWT 2.0

2010-01-05 Thread olivier nouguier

Hi
Yes I use maven too :)

But with m2eclipse and WTP.
Maven set up to redirect the build in war folder

I'm also using Spring, and the external server works really better than the
embeded server (there is some classloader issues
http://groups.google.com/group/google-web-toolkit/browse_thread/thread/be6b6681192aa54a?pli=1
)

On Tue, Jan 5, 2010 at 1:14 PM, mariyan nenchev
nenchev.mari...@gmail.comwrote:

Hi,

Regards.

On Tue, Jan 5, 2010 at 12:09 PM, olivier nouguier
olivier.nougu...@gmail.com wrote:

Hi,
1: You'll just need to deploy your server side application.
2: Start the external server.

3: Start the GWT Server (GWT application with eclipse plugin) *without*
the embded server.
4: browse to your html/jsp page hosting your gwt application with the
extra parameter:
?gwt.codesvr=134.40.251.239:9997 (adapt of course with your IP address).
Without this parameter you will use the deployed(js compiled) GWT code.

HIH

On Tue, Jan 5, 2010 at 10:54 AM, ojay oliver.ja...@googlemail.comwrote:

Hi,

I am looking for a tutorial about using an external tomcat server with
gwt 2.0. I could only find discussions about older GWT versions, and
actually I am stuck at this step.

Does somebody can show me the steps how I can use the sample gwt
project, which will be created by the google eclipse plugin, on an
external tomcat server?

Thanks a lot.

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brave.
--
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gwt 2.0 problem: maven-googlewebtoolkit2-plugin compiles cache.js files and GEP compiler cache.html

Hi,

I am using maven-googlewebtoolkit2-plugin to compile my project. I created
simple project to set image as background with CssResourceClientBundle. In
development mode and compiled with GEP it is working. The compiled css style
is included in cache.html file and loaded, but with
maven-googlewebtoolkit2-plugin the out put files are cache.js and the
compiled css is missing.
Here is my build:
plugin
groupIdcom.totsp.gwt/groupId
artifactIdmaven-googlewebtoolkit2-plugin/artifactId
version2.0-RC1/version
configuration

contextXml${basedir}/src/main/webapp/META-INF/contextGwtShell.xml/contextXml
logLevelINFO/logLevel
compileTargets
valueclaire.ClaireClient/value
/compileTargets
runTargetClaireClient.html/runTarget
styleDETAILED/style
noServerfalse/noServer

extraJvmArgs-Xmx512m/extraJvmArgs
gwtVersion${gwtVersion}/gwtVersion
output${project.build.directory}/bft/output
/configuration
executions
execution
goals
goalcompile/goal
/goals
/execution
/executions
/plugin

I also tried to use maven gwt plugin but i got:
[INFO] Compiling module claire.ClaireClient
[INFO] [ERROR] Unexpected
[INFO] java.lang.NoSuchFieldError:
reportUnusedDeclaredThrownExceptionIncludeDocCommentReference
[INFO] at
com.google.gwt.dev.javac.JdtCompiler.getCompilerOptions(JdtCompiler.java:309)
[INFO] at
com.google.gwt.dev.javac.JdtCompiler$CompilerImpl.init(JdtCompiler.java:147)
[INFO] at
com.google.gwt.dev.javac.JdtCompiler.doCompile(JdtCompiler.java:465)
[INFO] at
com.google.gwt.dev.javac.CompilationStateBuilder$CompileMoreLater.compile(CompilationStateBuilder.java:141)
[INFO] at
com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:279)
[INFO] at
com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:181)
[INFO] at
com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:280)
[INFO] at com.google.gwt.dev.Precompile.precompile(Precompile.java:502)
[INFO] at com.google.gwt.dev.Precompile.precompile(Precompile.java:414)
[INFO] at com.google.gwt.dev.Compiler.run(Compiler.java:201)
[INFO] at com.google.gwt.dev.Compiler$1.run(Compiler.java:152)
[INFO] at
com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:87)
[INFO] at
com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:81)
[INFO] at com.google.gwt.dev.Compiler.main(Compiler.java:159)
[INFO]

[ERROR] BUILD ERROR

So one application compiled with gep is working, but with the
maven-googlewebtoolkit2-plugin is not.
Please help.
Regards.

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Re: gwt 2.0 problem: maven-googlewebtoolkit2-plugin compiles cache.js files and GEP compiler cache.html

With fire bug i can see that there is generated style G3vhxeuA, but it is
missing.

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Re: gwt 2.0 problem: maven-googlewebtoolkit2-plugin compiles cache.js files and GEP compiler cache.html

2010-01-05 Thread olivier nouguier

This works perfectly
Build:
groupIdorg.codehaus.mojo/groupId
artifactIdgwt-maven-plugin/artifactId
version1.2/version



On Tue, Jan 5, 2010 at 2:02 PM, mariyan nenchev
nenchev.mari...@gmail.comwrote:

 With fire bug i can see that there is generated style G3vhxeuA, but it is
 missing.

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brave.
--
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Re: user by default

2010-01-05 Thread Deanna Bonds

That would be part of the appengine API.  Here is the discussion group
for them http://groups.google.com/group/google-appengine-java?lnk=
But I think the answer is yes, you ask for a user object and it
returns one if the user is logged in, else you set up the login
redirect.

On Jan 5, 6:12 am, Acerezo acerezoguil...@gmail.com wrote:
 Can I get the user account by default if the user is al ready loggin
 in igoogle, gmail, etc?

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Re: Regional Setting

2010-01-05 Thread Ashar Lohmar

Hi there, you sould take a look at the showcase
http://gwt.google.com/samples/Showcase/Showcase.html#CwNumberFormat
and look around the docs for internationalization
http://code.google.com/webtoolkit/doc/latest/DevGuideI18n.html

if you'll use locale=... what ever you need, ... for example
NumberFormat.getDecimalFormat() ... wil give the standard
decimalFormat for the specified locale,

NOTE: using locale you'll get extra permutations ( number of browser
implementations multiplied by (the number of specified locales+1))
so if you need only a few formattings here an there you would better
use hand made formater

Good luck

On Jan 5, 4:23 am, oks samko...@gmail.com wrote:
 Can I get the regional setting for number from GWT?

 By using number format, this seems to be using a fixed type of
 format

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Re: DatePicker / set a minimum date

2010-01-05 Thread Ashar Lohmar

hi

1 ideea: make a class that extends DatePicker so that you'll call the
second constructor
 protected DatePicker(MonthSelector monthSelector, CalendarView view,
  CalendarModel model)

for the params use new DefaultMonthSelector(), new CalendarModel() and
instead of the , new DefaultCalendarView(),

use a class made by the source code of that with the following changes
in the inner class CellGrid (line 37)
 you'll have to override the isEnabled() method so that it make the
check if the date is  lastDisabledDate

lastDisabled could be a property in the MyDefaultCalendarView and
also could/should be set by an method from the MyDatePicker

also you could add a ShowRangeHandlersDate that on onShowRange() ...
would iterate days between the start an end and do
datepicker.setTransientEnabledOnDates(false,date) on each iteration
or you could put the in a list and make the only once
datepicker.setTransientEnabledOnDates(false,dateList) (this will call
the first method so it'll be the same thing)

this second method it's a lot more time/resource consuming pick your
choice.


... hope this will help
Good luck

On Jan 4, 3:52 pm, Dariusz darius...@gmail.com wrote:
 Hi!

 Is there a function how to prevent people selecting a date, which is
 in the past? Something like, setMinDate( Date date)?

 Thanks

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How to use a initServlet for database connections in host mode??

Hi,

I need to access my database in the server area of my gwt application.
Now I have the problem that i cannot init the database connection. I
am using hibernate to access my database, in my previous applications
(struts) I used the Datasource of the underlying tomcat to start and
database transcation with hibernate. Now with GWT 2.0 I want to use
the hosted mode and therefore I need to initialize my database
connection pool. Therefore I tried to create this pool with a servlet.
Now I have the problem that my servlet will not be started in the
hosted mode.

Can somebody explain where I can define in GWT to start a special
servlet at startup of the host mode?


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Re: How to use a initServlet for database connections in host mode??

2010-01-05 Thread Qian Qiao

On Tue, Jan 5, 2010 at 22:08, ojay oliver.ja...@googlemail.com wrote:
 Hi,

 I need to access my database in the server area of my gwt application.
 Now I have the problem that i cannot init the database connection. I
 am using hibernate to access my database, in my previous applications
 (struts) I used the Datasource of the underlying tomcat to start and
 database transcation with hibernate. Now with GWT 2.0 I want to use
 the hosted mode and therefore I need to initialize my database
 connection pool. Therefore I tried to create this pool with a servlet.
 Now I have the problem that my servlet will not be started in the
 hosted mode.

 Can somebody explain where I can define in GWT to start a special
 servlet at startup of the host mode?


ehhh, web.xml maybe?

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hasFocus() ?

2010-01-05 Thread Ed

Why isn't there a FocusWidget.hasFocus()  method ?
Probably as this isn't well supported in the HTML world, but it would
be nice and I can't really understand why it doesn't exists.

This would be nice  when you have a group of widgets and you know one
of them as focus, but don't know which one... (of course you can add
listeners, but a simple method would be much easier and
straighforward).

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Re: gwt 2.0 problem: maven-googlewebtoolkit2-plugin compiles cache.js files and GEP compiler cache.html

I tried it. I got:
[INFO] [ERROR] Unexpected
[INFO] java.lang.NoSuchFieldError: reportUnusedDeclaredThrownExce
ptionIncludeDocCommentReference
[INFO] at
com.google.gwt.dev.javac.JdtCompiler.getCompilerOptions(JdtCompiler.java:309)

On Tue, Jan 5, 2010 at 3:15 PM, olivier nouguier olivier.nougu...@gmail.com
wrote:

This works perfectly
Build:
groupIdorg.codehaus.mojo/groupId
artifactIdgwt-maven-plugin/artifactId
version1.2/version

On Tue, Jan 5, 2010 at 2:02 PM, mariyan nenchev nenchev.mari...@gmail.com
wrote:

With fire bug i can see that there is generated style G3vhxeuA, but it
is missing.

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Re: How to use a initServlet for database connections in host mode??

Hi,

I forgot a tiny thing in the web.xml :-)

It's better to use the load-on-startup0/load-on-startup option in
the web.xml so that the servlet will be started :-)

On 5 Jan., 15:11, Qian Qiao qian.q...@gmail.com wrote:
 On Tue, Jan 5, 2010 at 22:08, ojay oliver.ja...@googlemail.com wrote:
  Hi,

  I need to access my database in the server area of my gwt application.
  Now I have the problem that i cannot init the database connection. I
  am using hibernate to access my database, in my previous applications
  (struts) I used the Datasource of the underlying tomcat to start and
  database transcation with hibernate. Now with GWT 2.0 I want to use
  the hosted mode and therefore I need to initialize my database
  connection pool. Therefore I tried to create this pool with a servlet.
  Now I have the problem that my servlet will not be started in the
  hosted mode.

  Can somebody explain where I can define in GWT to start a special
  servlet at startup of the host mode?

 ehhh, web.xml maybe?

 --
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 not sure about the universe.

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Re: Step-by-Step tutorial how to use external Tomcat with GWT 2.0

Thanks a lot for your step by step description! My GWT-App is working
now on the external server !!

On 5 Jan., 11:09, olivier nouguier olivier.nougu...@gmail.com wrote:
Hi,
1: You'll just need to deploy your server side application.
2: Start the external server.

HIH

On Tue, Jan 5, 2010 at 10:54 AM, ojay oliver.ja...@googlemail.com wrote:
Hi,

I am looking for a tutorial about using an external tomcat server with
gwt 2.0. I could only find discussions about older GWT versions, and
actually I am stuck at this step.

Does somebody can show me the steps how I can use the sample gwt
project, which will be created by the google eclipse plugin, on an
external tomcat server?

Thanks a lot.

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Re: Eclipse locks up when opening GWT project

2010-01-05 Thread Jason Essington

I'm using Eclipse 3.5 on Snow Leopard with the Google plugin for Eclipse on 
both a MBP and a MacPro and they both seem to work just fine.

-jason

On Jan 4, 2010, at 3:29 PM, Rob Tanner wrote:

 Hi,
 
 I'm running Eclipse 3.5 with the GWT plugin for 3.5 and webkit 2.0.
 I'm using MyEclipse 8.0 and using Pulse to build my IDE environment.
 I'm running identical environments pm my MacBook Pro (Leopard) and my
 iMac (Snow Leopard).  On the laptop all is honky dory but on my iMac,
 the moment I try to run a GWT project, Eclipse locks up and I have to
 force quit. For non-GWT projects, all is well. When I bring up Eclipse
 there are a number of warnings, most of which are NLS unused message
 warning which I can assume I can ignore. However, I also get the
 following Google GWT related error:
 
 While loading class com.google.gwt.eclipse.core.clientbundle.ClientBu
 ndleResourceChangeListener$1, thread Thread[Worker-1,5,main] timed
 out waiting (5000ms) for thread Thread[main,6,main] to finish
 starting bundle com.google.gwt.eclipse.core_1.2.0.v2009120620 03
 [170]. To avoid deadlock, thread Thread[Worker-1,5,main] is
 proceeding but com.google.gwt.eclipse.core.clientbundle.ClientBu
 ndleResourceChangeListener$1 may not be fully initialized.
 
 I also tried a straight Eclipse 3.5 download and added the plugin and
 webkit using the update site URL rather than Pulse.  I don't get the
 same entry in the error log as above, but it still locks up.  Any
 ideas?
 
 -- Rob
 
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Re: How to use a initServlet for database connections in host mode??

2010-01-05 Thread Mustafa Dumlupinar

Hi ojay,

Firstly, you write a listener under the server folder.

This like:

public class StartUp implements ServletContextListener {
   
@Override
public void contextInitialized(ServletContextEvent arg0) {
   //You will add for each startup process
   //maybe, like this
Registry.addResources(ColumnResources.class);
}

@Override
public void contextDestroyed(ServletContextEvent arg0) {

}

}

Then, you add below lines into web.xml
  listener
listener-classcom.mclub.server.startup.StartUp/listener-class
/listener

All these.

I'm sorry, my English is bad because I'm living in Turkiye.


ojay wrote:
 Hi,

 I need to access my database in the server area of my gwt application.
 Now I have the problem that i cannot init the database connection. I
 am using hibernate to access my database, in my previous applications
 (struts) I used the Datasource of the underlying tomcat to start and
 database transcation with hibernate. Now with GWT 2.0 I want to use
 the hosted mode and therefore I need to initialize my database
 connection pool. Therefore I tried to create this pool with a servlet.
 Now I have the problem that my servlet will not be started in the
 hosted mode.

 Can somebody explain where I can define in GWT to start a special
 servlet at startup of the host mode?


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Re: Slowdown of GWT while loading

2010-01-05 Thread Fazeel Kazi

You could do the following if not already done.

1. In .gwt.xml file, check for every inherit, maybe some are not required
now.
2. In build.xml, search for -style and remove that line. This will
ensure obfuscation.
3. Also using Fiddler/ Firebug, find out if the time being consumed is at
server or in browser. It is quite possible that the delay could be at server
side.

Regards.

On Tue, Jan 5, 2010 at 10:27 AM, aditya ch adityac1...@gmail.com wrote:

First of all, ensure you have enabled 'obfuscated' flag while doing
the GWT compilation which would hopefully reduce the size of the
'.cache.html' files that gets generated.
And if you are using latest version of GWT i.e. 2.0, try code
splitting and load the code only when it's required.
Please revert back if you still couldn't see much variations.

On Jan 5, 5:27 am, Raul raahoo...@gmail.com wrote:
Hello all,

I have modified my coding style by best possible way I can, but it is
not helping me out any ways to reduce the loading time.

I have 6 .cache.html file in my application_name folder [which are
generated by GWT compiler] each having average 7.5 MB in size.

Please help me out in this issue, otherwise choosing GWT for building
my application will turns out to be a wrong decision.

Thanks in advance.
Raul

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Re: UiBinder and FlexTable or Grid

2010-01-05 Thread nvrs

Hi,

I fail to see how that code replaces FlexTable and what UiBinder has
to do with any of that??
The purpose of FlexTable is to provide an easy way of having tables of
arbitrary length so as...well rows can be added to them.
How are you going to replace that with hardcoded HTML? I don't see how
changing the contents of an HTML panel serve this purpose in a
fruitfull way.
Of course i may be missing something, so could you please provide some
pointers because i am trying to find the best way to use a flextalbe
with UiBinder.

On Dec 10 2009, 8:35 am, Craigo craig...@gmail.com wrote:
 I was trying to do this also.  Then I slapped myself in the head and
 realised, with theUiBinder, we can now just use plain html.

 So we can do stuff like this:
 g:HTMLPanel
     table
         trtdInfo:/tdtdg:TextBox ui:field=infoTextBox//
 td/tr
     /table
 /g:HTMLPanel

 ...there maybe a good reason you want to use aFlexTablein
 the .ui.xml file, but I can't think of it.

 On Dec 10, 1:40 pm, FKereki fker...@gmail.com wrote:



  Hi! Is it possible to include aFlexTableor Grid withUiBinder? How
  do you specify each cell? And, for FlexTables, how can you join cells
  together?

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Design bug in the GWT StockWatcher tutorial

2010-01-05 Thread yc

Hello,

I noticed a possible design bug in the Handling Exceptions section
in the StockWatcher tutorial:
http://code.google.com/webtoolkit/doc/latest/tutorial/RPC.html#exceptions

If you enter ERR to add the delisted symbol, the app will no longer
display stock quote on new valid symbols added after ERR.  You need to
remove the ERR symbol from the stock table before adding new valid
symbols.

The root cause of this problem is how the program reads symbols after
the ADD button is clicked.  In the StockWatcher.addStock() method, the
stocks ArrayList is appended with a stock symbol regardless if the
symbol is validated by the server.  The entire array of the stocks
is passed to the server for validation in the
StockWatcher.refreshWatchList() method.   But the
stockPriceServiceImpl.getPrices() is designed to throw exception as
soon as it sees the ERR string in the passed-in array.

Correcting this design bug will make an already-excellent tutorial
even better.  I hope some Googlers take note of this.

Thx,
yc

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Re: GWT 2.0 with C# back-end

2010-01-05 Thread Richard

On Dec 16 2009, 12:49 pm, joe joe.krat...@gmail.com wrote:
 yeah it looks like the link was butchered when I send the post.

 http://www.gwtapps.com/doc/html/com.google.gwt.http.client.html

 I have tried what you are using. However, after looking into the
 problem more I see that Same Origin Policy seems to be my issue. It
 looks like without using JSONP I can not call my self hosted C# WCF
 application. This is due to the port miss match (Jetty server runs on
  and my self hosted WCf app runs on 80) which violates S.O.P.

 According to Google's docs I can not do this without some 'hack' on
 the GWT 
 side.http://code.google.com/webtoolkit/doc/1.6/FAQ_Server.html#How_can_I_d...

 I have looked into using JSONP with WCF but I have been unable to
 locate a way to send a pure JSONP object to GWT. The only thing I have
 been able to do it send a string that holds my JSONP string. so there
 are leading and trailing . I would assume that GWT won't like this.

 So right now I have no other option but to write a GWT back-end proxy
 so that GWT front end can call my C# app to request data, unless
 anyone has any ideas.

 Thank you


We had a similar problem, and we got JSONP working with GWT.
Unfortunately, JSONP + GWT does not provide the desired results where
concurrency is concerned (i.e. we get responses in the order the
requests were sent -NOT the order in which responses are received)

To circumvent this, I've implemented CORS on our app server, and it
works with XSS requests in both devmode and hosted mode:

http://www.w3.org/TR/access-control/

This is supported in FF 3.5+ and IE8.  Note that IE8 asks the user
every time a cross-site request is sent.  It's possible this can be
circumvented, but I did not investigate further.  We only care about
XSS support for devmode - the deployed product will be hosted by the
same web server.

Hope this helps,

--

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http://www.sigil.org
PGP Key: 0x9E54EF59 (http://pgp.mit.edu)

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Re: gwt + css + size in %

2010-01-05 Thread Fazeel Kazi

Don't think that % have any problem in IE.

If your target is IE7/IE8, please install IE8. It comes with a firebug like
debugger which can be used for debuggin IE7 and IE8.
For IE6, you can use IE Developer Toolbar. It can only debug css and html.

Regards.

On Mon, Jan 4, 2010 at 11:05 PM, mariyan nenchev
nenchev.mari...@gmail.comwrote:

Hi,

I am recently developing some very custom UI web app. So i had to play with
css styles a lot. I was(am) developing on ubuntu + Firefox 3.
The UI looks great on FF, Chrome and safari under MACubuntuwindows. But
ofcource in IE under windows it does'nt render much well. I noticed that may
be IE does not interpert size in % well, because every where i have size in
% it is not rendered well or not rendered at all. Or may be mixing size in %
with margins, paddings breaks the UI. I am not ui dev, please guide me how
to fix this problem, because my client is targeting clients that mostly use
IE. Suggest me some good tool like firebug for IE.

I will post some images and my css, later.
Regards.

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Re: DatePicker / set a minimum date

2010-01-05 Thread Fazeel Kazi

Don't think there is anything for it.
You could implement ValueChangeHandler and throw an error when such a date
is selected.

Regards.

On Mon, Jan 4, 2010 at 7:22 PM, Dariusz darius...@gmail.com wrote:

 Hi!

 Is there a function how to prevent people selecting a date, which is
 in the past? Something like, setMinDate( Date date)?

 Thanks

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DockLayoutPanel sample code

Hi,

I tried the DockLayoutCode which is presented in
http://code.google.com/webtoolkit/doc/latest/DevGuideUiPanels.html:
DockLayoutPanel p = new DockLayoutPanel(Unit.EM);
p.addNorth(new HTML(header), 2);
p.addSouth(new HTML(footer), 2);
p.addWest(new HTML(navigation), 10);
p.add(new HTML(some content));

// I added this:
RootLayoutPanel.get().add(p);

All this code was obviously placed inside the onModuleLoad
substituting the sample Eclipse startup code when you create a new
GWT app. The output looked nothing like what was presented on that
page.

I also tried the SplitLayoutPanel code right below that one. Likewise,
the result was nothing that I expected. For one, there were no grab
area to drag. I inspected the generated page in Firebug and I can
certainly see the grab area there, but I don't see anything to drag.
Moving the mouse around that area doesn't change the mouse into a hand
and doesn't let me grab the separation, etc...

What am I doing wrong here?

On a similar note... I was surprise to see the Eclipse autogenerate
HTML page say that it is in quirks mode and changing to standards mode
could have layout consequences (etc.) when the goals of GWT 2.0
clearly state that they only aim to support standards mode.

Could someone guide me on this one?

Thanks,
NG.

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GWT 2.0 w/ IntelliJ IDEA 7.0.5

2010-01-05 Thread Steve Sinai

Up until now I've used Eclipse for writing occasional GWT apps, but
I'm not an Eclipse expert and am much more comfortable using Intellij
for development. I thought I'd see how well IntelliJ 7.0.5 works for
developing some toy GWT 1.7 apps, and except for a few warning
messages, it seems to works fine.

Then I gave GWT 2.0 a try with IntelliJ 7.0.5 to see what happens, and
got the error messages posted below when building a little, default
Hello World! program that had worked using GWT 1.7.  In trying to
figure out the problem, I came across an old post somewhere that
suggested older versions of IntelliJ wouldn't work with later versions
of GWT, but it wasn't clear which versions numbers they were talking
about, or even if this was true. The errors below look to be XML
Parser-related, but I don't know if there's a way I can point to a
different parser, or if the problem is actually something else.

So my question is...is it possible to develop with GWT 2 using
IntelliJ 7.0.5? I'd rather not spend time on something that ultimately
turns out to be futile, and when I asked the question over on the
IntelliJ forum, I didn't get a response. Thanks.

Information:Compilation completed with 42 errors and 0 warnings
Information:42 errors
Information:0 warnings
Error:[ERROR] Line 23: Unexpected element 'define-configuration-
property'
Error:Failure while parsing XML
Error:at com.google.gwt.dev.util.xml.DefaultSchema.onUnexpectedElement
(DefaultSchema.java:80)
Error:at com.google.gwt.dev.util.xml.Schema.onUnexpectedElement
(Schema.java:93)
Error:at com.google.gwt.dev.util.xml.ReflectiveParser$Impl.startElement
(ReflectiveParser.java:186)
Error:at
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement
(AbstractSAXParser.java:501)
Error:at
com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement
(AbstractXMLDocumentParser.java:179)
Error:at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement
(XMLDocumentFragmentScannerImpl.java:1339)
Error:at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2747)
Error:at
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next
(XMLDocumentScannerImpl.java:648)
Error:at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument
(XMLDocumentFragmentScannerImpl.java:510)
Error:at
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse
(XML11Configuration.java:807)
Error:at
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse
(XML11Configuration.java:737)
Error:at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse
(XMLParser.java:107)
Error:at
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse
(AbstractSAXParser.java:1205)
Error:at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl
$JAXPSAXParser.parse(SAXParserImpl.java:522)
Error:at com.google.gwt.dev.util.xml.ReflectiveParser$Impl.parse
(ReflectiveParser.java:314)
Error:at com.google.gwt.dev.util.xml.ReflectiveParser$Impl.access$100
(ReflectiveParser.java:48)
Error:at com.google.gwt.dev.util.xml.ReflectiveParser.parse
(ReflectiveParser.java:385)
Error:at com.google.gwt.dev.cfg.ModuleDefLoader.nestedLoad
(ModuleDefLoader.java:243)
Error:at com.google.gwt.dev.cfg.ModuleDefSchema
$BodySchema.__inherits_begin(ModuleDefSchema.java:212)
Error:at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Error:at sun.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:39)
Error:at sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:25)
Error:at java.lang.reflect.Method.invoke(Method.java:597)
Error:at com.google.gwt.dev.util.xml.HandlerMethod.invokeBegin
(HandlerMethod.java:223)
Error:at com.google.gwt.dev.util.xml.ReflectiveParser$Impl.startElement
(ReflectiveParser.java:257)
Error:at com.google.gwt.dev.cfg.ModuleDefLoader$1.load
(ModuleDefLoader.java:155)
Error:at com.google.gwt.dev.cfg.ModuleDefLoader.doLoadModule
(ModuleDefLoader.java:269)
Error:at com.google.gwt.dev.cfg.ModuleDefLoader.loadFromClassPath
(ModuleDefLoader.java:127)
Error:at com.google.gwt.dev.GWTCompiler.run(GWTCompiler.java:148)
Error:at com.google.gwt.dev.GWTCompiler$1.run(GWTCompiler.java:119)
Error:at com.google.gwt.dev.CompileTaskRunner.doRun
(CompileTaskRunner.java:88)
Error:at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger
(CompileTaskRunner.java:82)
Error:at com.google.gwt.dev.GWTCompiler.main(GWTCompiler.java:126)
Error:[ERROR] Line 24: Unexpected exception while processing element
'inherits'
Error:at com.google.gwt.dev.util.xml.ReflectiveParser$Impl.parse
(ReflectiveParser.java:338)
Error:at com.google.gwt.dev.util.xml.DefaultSchema.onHandlerException
(DefaultSchema.java:56)
Error:at com.google.gwt.dev.util.xml.Schema.onHandlerException
(Schema.java:65)
Error:at com.google.gwt.dev.util.xml.HandlerMethod.invokeBegin
(HandlerMethod.java:233)

Re: How to use a initServlet for database connections in host mode??

I'd use a ServletContextListener...

Just implement that interface. You'd put your code into
contextInitialized method. Then, declare your implemented class in
web.xml in listener tags:
listener
   listener-classyour fully qualified class here/listener-class
/listener

You'll be guaranteed to have your code executed before any requests
are served to the client and it is only done once per application
startup.

NG.

On Tue, Jan 5, 2010 at 9:53 AM, ojay oliver.ja...@googlemail.com wrote:
 Hi,

 I forgot a tiny thing in the web.xml :-)

 It's better to use the load-on-startup0/load-on-startup option in
 the web.xml so that the servlet will be started :-)

 On 5 Jan., 15:11, Qian Qiao qian.q...@gmail.com wrote:
 On Tue, Jan 5, 2010 at 22:08, ojay oliver.ja...@googlemail.com wrote:
  Hi,

  I need to access my database in the server area of my gwt application.
  Now I have the problem that i cannot init the database connection. I
  am using hibernate to access my database, in my previous applications
  (struts) I used the Datasource of the underlying tomcat to start and
  database transcation with hibernate. Now with GWT 2.0 I want to use
  the hosted mode and therefore I need to initialize my database
  connection pool. Therefore I tried to create this pool with a servlet.
  Now I have the problem that my servlet will not be started in the
  hosted mode.

  Can somebody explain where I can define in GWT to start a special
  servlet at startup of the host mode?

 ehhh, web.xml maybe?

 --
 Two things that are infinite, the universe and my stupidity, and I'm
 not sure about the universe.

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NG

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Re: problem with a custom class used in RPC

2010-01-05 Thread UJ

Make use of a serializable white list...
This will logically bring your custom class to the client package

refer: http://osdir.com/ml/Google-Web-Toolkit/2009-11/msg01367.html

Regards,
Upendra Jariya.

On Jan 4, 7:57 pm, K.WA chd...@gmail.com wrote:
 Hi,

 For some reasons, I have to create a class (IntList) that wraps a list
 of Integers. (see below). I have made a simple test to send an
 instance of this class in a simple RPC method

         @Override
         public void dummy(IntList l)
         {
                 System.out.println(l=+l.toString());

         }

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development mode rpc call is an http OPTIONS instead of POST

2010-01-05 Thread lfrohman

After upgrading my application to GWT 2.0, I am getting a
com.google.gwt.user.client.rpc.StatusCodeException on an rpc call in
Development mode.
This only happens in Development mode, and only in Chrome and FF, it
works fine in IE.
When I look at the apache logs for production mode (and development
mode in IE), the rpc
call becomes an http POST:

127.0.0.1 - - [04/Jan/2010:16:25:56 -0800] POST /parvia/piece.rpc
HTTP/1.1 200 1943 http://localhost:/commerce/hosted.html?
commerce Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64;
Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR
3.0.30729; Media Center PC 6.0; .NET CLR 1.1.4322; OfficeLiveConnector.
1.4; OfficeLivePatch.1.3)

but in Firefox and Chrome Development mode, the rpc call results in an
http OPTIONS:

127.0.0.1 - - [04/Jan/2010:16:28:24 -0800] OPTIONS /parvia/piece.rpc
HTTP/1.1 200 - http://localhost:/commerce/hosted.html?commerce;
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/532.5
(KHTML, like Gecko) Chrome/4.0.249.43 Safari/532.5

anyone have an idea what is causing this?

Thanks,
Lance

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Re: GWT Intigration with existing project .... Hosted mode issues.

2010-01-05 Thread Jason Essington

if the location of your gwt.xml file isn't at the same level as your client 
package then you need to add a source tag to tell it where the client 
directory is. That's the likely reason it can't find your entry point class.

so probably the simplest thing to do would be to move the gwt.xml file to 
src/main/java/com/gwtAppl/MyApplication.gwt.xml

-jason

On Jan 5, 2010, at 5:19 AM, girishrat...@gmail.com wrote:

 Hello Friends  
 
 I don't understand why it should be so difficult to integrate the GWT with 
 the current application, I have been struggling for few weeks now ( not full 
 time , of course) 
 Definitely ... there should be some help available which I'm not able to 
 find, I'm currently like beating around the bushes to make progress. 
 If anyone knows , please forward me any articles where there is some 
 guideline regarding integrating GWT with the existing project. 
 
 
 Currently I'm desperately stuck at a place where the hosted mode is not able 
 to find module.gwt.xml(CASE I below ) or the entry point classes (CASE II 
 below )... don't know why. 
 
 I'm using eclipse 3.5 (Galileo) 'Run configuration' to build my application 
 which uses GWT 1.7 
 
 I'm sorry to be so descriptive but I really want you to understand what I'm 
 doing and to get some help. 
 
 
 Following is my folder structure  
 
 
 Current existing Project :- 
 
 -src 
 --main 
 ---java 
 com 
 -package1 
 --package2 
 
 
 New GWT folders in the same above existing project :- 
 
 -src 
 --main 
 ---java 
 (MyApplication.gwt.xml) 
 com 
 -gwtAppl 
 --client 
 --server 
 
 
 Build ( Output Folders ) 
 
 -build 
 --classes 
 ---com 
 . 
 
 
 My eclipse's 'Run configuration' class-path contains all the gwt-xxx.jars and 
 according to above folder structure, the entries like ... 
 src/main/java/ and I think the source tab also has the path of all the source 
 files 
 
 
 
 === CASE I  
 
 Log in the hosted mode console  
 
 [INFO] Starting HTTP on port 8081 
 [TRACE] Starting URL: http://localhost:8081/MyApplication 
 [TRACE] Request 0: http://localhost:8081/MyApplication 
 [TRACE] Request 1: http://localhost:8081/myapplication/ 
 [TRACE] The development shell servlet received a request to generate a host 
 page for module 'myapplication' 
 [TRACE] Request 2: 
 http://localhost:8081/myapplication/myapplication.nocache.js 
 [TRACE] The development shell servlet received a request for 
 'myapplication.nocache.js' in module 'myapplication.gwt.xml' 
 [TRACE] Request 3: http://localhost:8081/myapplication/hosted.html 
 [TRACE] The development shell servlet received a request for 'hosted.html' in 
 module 'myapplication.gwt.xml' 
 [TRACE] Request 4: 
 http://localhost:8081/myapplication/gwt/standard/standard.css 
 [TRACE] The development shell servlet received a request for 
 'gwt/standard/standard.css' in module 'myapplication.gwt.xml' 
 [DEBUG] Loading an instance of module 'myapplication' 
 [DEBUG] Refreshing module from source 
 [TRACE] Finding entry point classes 
 [ERROR] Unable to find type 'com.mycompany.client.MyApplication' 
 [ERROR] Hint: Previous compiler errors may have made this type unavailable 
 [ERROR] Hint: Check the inheritance chain from your module; it may not be 
 inheriting a required module or a module may not be adding its source path 
 entries properly 
 [ERROR] Failure to load module 'myapplication' 
 
 
 According to the log above, it looks like it's not able to load the 
 'instance' of the module .. 'MyApplication'. 
 
 
 === CASE II  
 
 Keeping all the above configuration same, when I move MyApplication.gwt.xml 
 as below .. 
 
 -src 
 --main 
 ---java 
 com 
 -gwtAppl 
 (MyApplication.gwt.xml) 
 --client 
 --server 
 
 The the host mode error is as follows ... 
 
 [INFO] Starting HTTP on port 8081 
 [TRACE] Starting URL: http://localhost:8081/MyApplication 
 [TRACE] Request 0: http://localhost:8081/MyApplication 
 [TRACE] Loading module 'MyApplication' 
 [ERROR] Unable to find 'MyApplication.gwt.xml' on your classpath; could be a 
 typo, or maybe you forgot to include a classpath entry for source? 
 [TRACE] Request 1: http://localhost:8081/MyApplication/ 
 [TRACE] Loading module 'MyApplication' 
 [ERROR] Unable to find 'MyApplication.gwt.xml' on your classpath; could be a 
 typo, or maybe you forgot to include a classpath entry for source? 
 [TRACE] The development shell servlet received a request to generate a host 
 page for module 'MyApplication' 
 [TRACE] Loading module 'MyApplication' 
 [ERROR] Unable to find 'MyApplication.gwt.xml' on your classpath; could be a 
 typo, or maybe you forgot to include a classpath entry for source? 
 
 in this I guess it's not able to find the gwt.xml itself. In this case , 
 inside the 'run configuration' under GWT tab, it shows the this file and the 
 path where it is placed. 
 
 Please let me know if you need to know anything more

Re: development mode rpc call is an http OPTIONS instead of POST

2010-01-05 Thread Derek

I'm having a very similar problem, but don't have an answer yet.

I'm using the RequestBuilder to do an HTTP POST to our IIS server.
Everything seems fine when I'm in the Java debugger in hosted mode,
but when I compile to Javascript, my POST is changed to OPTIONS in FF
and Chrome, but it works properly in IE.

I've been stuck on this problem for days now.

On Jan 4, 4:51 pm, lfrohman lfroh...@gmail.com wrote:
 After upgrading my application to GWT 2.0, I am getting a
 com.google.gwt.user.client.rpc.StatusCodeException on an rpc call in
 Development mode.
 This only happens in Development mode, and only in Chrome and FF, it
 works fine in IE.
 When I look at the apache logs for production mode (and development
 mode in IE), the rpc
 call becomes an http POST:

 127.0.0.1 - - [04/Jan/2010:16:25:56 -0800] POST /parvia/piece.rpc
 HTTP/1.1 200 1943 http://localhost:/commerce/hosted.html?
 commerce Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64;
 Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR
 3.0.30729; Media Center PC 6.0; .NET CLR 1.1.4322; OfficeLiveConnector.
 1.4; OfficeLivePatch.1.3)

 but in Firefox and Chrome Development mode, the rpc call results in an
 http OPTIONS:

 127.0.0.1 - - [04/Jan/2010:16:28:24 -0800] OPTIONS /parvia/piece.rpc
 HTTP/1.1 200 - http://localhost:/commerce/hosted.html?commerce;
 Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/532.5
 (KHTML, like Gecko) Chrome/4.0.249.43 Safari/532.5

 anyone have an idea what is causing this?

 Thanks,
 Lance

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Re: Design bug in the GWT StockWatcher tutorial

2010-01-05 Thread Chris Ramsdale

yc,

While scanning the list of inputs for ERR is not something you would
necessarily build into a production application, it does provide an example
of how you would throw an exception within a RPC. Note the comment right
above the code snippet:

For the sake of this example, keep it simple and only throw the exception
when the stock symbol ERR is added to the watch list.

Often times in these tutorials, we aren't out to build the perfect app,
instead we focus on providing guidance on the fundamentals of the toolkit
itself. How you work them into your app is going to be specific to the app
that you are building.

Thanks for the suggestion, please keep them coming.

- Chris

On Mon, Jan 4, 2010 at 6:34 PM, yc ycx4...@gmail.com wrote:

Hello,

I noticed a possible design bug in the Handling Exceptions section
in the StockWatcher tutorial:
http://code.google.com/webtoolkit/doc/latest/tutorial/RPC.html#exceptions

If you enter ERR to add the delisted symbol, the app will no longer
display stock quote on new valid symbols added after ERR. You need to
remove the ERR symbol from the stock table before adding new valid
symbols.

The root cause of this problem is how the program reads symbols after
the ADD button is clicked. In the StockWatcher.addStock() method, the
stocks ArrayList is appended with a stock symbol regardless if the
symbol is validated by the server. The entire array of the stocks
is passed to the server for validation in the
StockWatcher.refreshWatchList() method. But the
stockPriceServiceImpl.getPrices() is designed to throw exception as
soon as it sees the ERR string in the passed-in array.

Correcting this design bug will make an already-excellent tutorial
even better. I hope some Googlers take note of this.

Thx,
yc

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Re: RPC vs HTTP requests

2010-01-05 Thread Jeff Chimene

On Tue, Jan 5, 2010 at 2:23 AM, Jan Ehrhardt jan.ehrha...@googlemail.comwrote:

 Hi Jeff,

 I don't know why you're binding a Report object to $wnd, but in a standard
 case JSON usage would look the following way:



Hi Jan,

I want the object to exist across different class instantiations.
Ordinarily, I'd use gin to inject a singleton where needed, but I couldn't
get that to work w/ JSNI. Perhaps it does w/ 2.0. It wasn't the best example
for a post to the group, but  it's what I had at hand.



 public class Report extends JavaScriptObject {

 protected Report() {}

 public final static native Report getName() /*-{
 return this.name;
 }-*/;

 public final static native void setName(String name) /*-{
 this.name = name;
 }-*/;
 }

 An incoming JSON string looking like this

 {name: My Report}

 can be parsed the following this way

 JSONObject obj = JSONParser.parse(response.getText()).isObject();
 if(obj != null) {
   Report myReport = obj.getJavaScriptObject().cast();
   // do something with myReport
 }

 This has the benefit, that the object only lives as inside your GWT app,
 instead of affecting other things.

 On Mon, Jan 4, 2010 at 4:01 PM, Jeff Chimene jchim...@gmail.com wrote:

 Sri,

 Thanks.

 I have a question:
 snip

 *Performance*

- Client Side - REST with JSON wins over RPC. Browsers are
exceptionally good at json parsing. It is going to be much faster than 
 GWTs
serialization/deserialization mechanism. This is applicable only if you 
 use
javascript overlays. JSONArray/JSONObject/JSONValue classes don't give 
 you
this performance benefit.


 I've been using the following technique to use the JSON parsing in 2.0. I
 don't see a specific example in the docs:


 Report.set(JSONParser.parse(response.getText()).isObject().getJavaScriptObject());

 Where Report is defined as follows:

 public class Report extends JavaScriptObject {

 protected Report() {}

 public final static native Report get() /*-{
 return $wnd.Report;
 }-*/;

 public final static native void set(JavaScriptObject value) /*-{
 $wnd.Report = value;
 }-*/;
 }

 I don't see any other way to avoid unsafe parsing.

 Comments?
 snip

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Re: RPC vs HTTP requests

2010-01-05 Thread Jeff Chimene

On Mon, Jan 4, 2010 at 7:22 PM, Thomas Broyer t.bro...@gmail.com wrote:

On 4 jan, 19:23, Jeff Chimene jchim...@gmail.com wrote:
On 01/04/2010 10:57 AM, Thomas Broyer wrote:

Use JsonUtils.unsafeEval() to avoid the unused JSONObject created by
JSONParser.parse(), and then just use .cast() to turn the JSO into a
Report (unless of course you want a singleton in the $wnd.Report
global JS variable):

Report myReport = JsonUtils.unsafeEval(response.getText()).cast();

Hi Thomas:

Isn't an aspect of unsafeEval() that it's unsafe? Is JSONParser() also
unsafe?

Yes, both use a plain JS eval() to parse the JSON string. JSONParser
has room for enhancement in using native JSON parsing in browsers that
support it (IE8, FF3, Safari 4 and Chrome), whereas unsafeEval is
likely to always use eval().
I built my own JSON module that uses JSON.parse() when available
(using deferred binding to never try it in IE6/7, old-mozilla and
Opera, and always use it in IE8) and fallback to JsonUtils.unsafeEval
() otherwise.

Hi Thomas,

I don't have the resources to delve into deferred binding right now. I've
seen a project (earlier in this thread) that looks interesting in that
regard.

Or do I always want to add comments to the cargo at the
generator, strip such comments at the receiver and call unsafeEval() (
its equivalent on the server)

I don't understand the comments thing (I think I understand the
how, but I clearly don't get the why)

The why is explained here:
http://groups.google.com/group/google-web-toolkit/web/security-for-gwt-applications
under
JSON and GWT
*Protecting Your Single-Site Application*
That said, some people advise JSON developers to employ an extra precaution
besides the cookie duplication XSRF countermeasure. In this model, your
server code would wrap any JSON response strings within JavaScript block
comments. For example, instead of returning ['foo', 'bar'] you would
instead return /*['foo', 'bar']*/. The client code is then expected to
strip the comment characters prior to passing the string to the eval
function.

From the JSONParser() code, I get the impression that it tries to
differentiate among arrays, strings, c. I thought that such behavior
was A Good Thing.

JSONParser only tries to provide strong typing by some kind of
introspection/reflection, that you obviously don't have with JSOs,
but is it really needed?
Even with JSONParser, you'll generally don't handle the error path
and live with potential NPEs (in your snippet, what if the eval'd text
isn't an object but an array?), which finally leads to doing
computations about the data type that you don't really care in the

end.

In that situation, I'd like a runtime error. Something bad happened, and the
app should fall over. Since I cannot predict what EvilCo will devise in the
future w/r/t JSON attacks, I pay the tax as a way of precisely determining
at run time the type of structure I expected when I wrote the code. Note
that this code is not part of a mashup. I have control over the JSON at the
sender and receiver.

It's generally not worth paying the JSONValue tax of data type
discovery.

As noted above, I'm doing this as a way of ensuring that, at runtime, the
structure I expected is the structure I received.

The only thing that's missing with JSOs is an easy way of
doing data type discovery in case the JSON format allows for different
types of data (e.g. in an object, the value of key foo can be a
string or an array of strings; an array of numbers or strings; etc.)

Yeah, that's one of the issues I've been facing.
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Add parameter to hosted mode URL with GWT 2.0

2010-01-05 Thread Kees

Hi there,

I have a GWT 2.0 project and, when in production, this standalone app
will always be called with a parameter in the URL. Now for development
purposes I would like to always start the hosted mode (Jetty) with a
certain parameter in the URL.

I know there was a field earlier called startupUrl, but I can't seem
to get that working with 2.0

I'm also using maven and the gwt-maven-plugin to start everything...
which makes it even harder to get this working.

Any ideas on how to add this parameter so that my hosted mode will
always start like this:

http://localhost:port/app.html?PARAM=testing

Thanks for any advise in advance!

Regards,

Kees.
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Color of cells in row in mouse over

2010-01-05 Thread markww

Hi,

Does anyone have an example of setting the color of a row of cells in
a FlexTable on a mouse over? I'd like to turn the whole row of cells
green for example when the user puts the mouse over any cell in that
row,

Thanks
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Re: DatePicker / set a minimum date

2010-01-05 Thread Trevis

I'm using the datepicker for the first time and I'm looking for this
as well.  It would also be nice to have a way to choose your year.
It's all but useless for entering birthdates.

Trevis

On Jan 4, 7:52 am, Dariusz darius...@gmail.com wrote:
 Hi!

 Is there a function how to prevent people selecting a date, which is
 in the past? Something like, setMinDate( Date date)?

 Thanks
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Re: DecoratorPanel with a ScrollPanel

2010-01-05 Thread huherto

Rephrasing the question.

The DecoratorPanel uses a table to draw it.  The content of the
DecoratorPanel is inside of the central td cell. That cell must have
some formating property that prevents the scrolling from working. It
must be something affecting the height because the overall height
seems to be 0.

So what can cause the height of a table to be 0? Even if the contents
of one cell have a height clearly  0.
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Problem with custom serialization in GWT 2.0

2010-01-05 Thread evgeniy

Hello.
I used GWT 1.6.4 and custom field serializers for transmitting
entities retrieved with help of hibernate. It was done for handling
Hibernate collections. For example:

public class Category_CustomFieldSerializer {

public static void serialize(SerializationStreamWriter writer,
Category instance) throws SerializationException {
writer.writeString(instance.getName());
writer.writeObject(instance.getOperation());
writer.writeObject(new LinkedListCategoryValue
(instance.getCategoryValues()));
}

public static void deserialize(SerializationStreamReader reader,
Category instance) throws SerializationException {
instance.setName(reader.readString());
instance.setOperation((OperationType) reader.readObject());
instance.setCategoryValues((ListCategoryValue)
reader.readObject());
}
}

It was perfectly working. Recently I decided to try GWT 2.0. And
suddenly I started to receive
com.google.gwt.user.client.rpc.SerializationException: Type
'org.hibernate.collection.PersistentBag' I tried to print debug
info from custom serializer and seems it never called.
Does support for custom serializers ended in GWT 2.0? Is there some
mechanism to solve this problem, except separate data transfer
objects?
Best regards, Evgeniy.
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Re: Validating ClientBundles ?

2010-01-05 Thread Keith Platfoot

Hi Carlos,

Thanks for reporting this issue.  This is definitely a bug, although I'm
having trouble reproducing it locally.  Would it be possible for you to zip
and send the projects that are crashing your Eclipse installation upon
import, so I can debug the problem?  Also, what version of Eclipse and
operating system are you using?

Thanks,

Keith

On Tue, Dec 22, 2009 at 12:07 PM, Carlos Aguayo carlos.agu...@gmail.comwrote:

 Hi,

 After upgrading the Eclipse plugin to GWT 2.0, whenever I import my
 Eclipse projects, Eclipse crashes. After importing the projects, I see
 multiple multiple (~12) jobs spawned called Validating
 ClientBundles, then it either shows a warning saying that it ran out
 of memory or just closes.

 When inspecting the Eclipse log, I found this:
 
 !ENTRY org.eclipse.core.jobs 4 2 2009-12-22 11:07:17.178
 !MESSAGE An internal error occurred during: Refreshing workspace.
 !STACK 0
 java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:597)
at org.eclipse.core.internal.jobs.WorkerPool.jobQueued
 (WorkerPool.java:145)
at
 org.eclipse.core.internal.jobs.JobManager.schedule(JobManager.java:
 1001)
at org.eclipse.core.internal.jobs.InternalJob.schedule
 (InternalJob.java:391)
at org.eclipse.core.runtime.jobs.Job.schedule(Job.java:435)
at
 com.google.gdt.eclipse.core.BuilderUtilities.revalidateCompilationUnits
 (BuilderUtilities.java:170)
at
 com.google.gwt.eclipse.core.clientbundle.ClientBundleResourceChangeListener
 $1.visit(ClientBundleResourceChangeListener.java:154)
at org.eclipse.core.internal.events.ResourceDelta.accept
 (ResourceDelta.java:68)
at org.eclipse.core.internal.events.ResourceDelta.accept
 (ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.accept
 (ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.accept
 (ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.accept
 (ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.accept
 (ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.accept
 (ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.accept
 (ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.accept
 (ResourceDelta.java:48)
at

 com.google.gwt.eclipse.core.clientbundle.ClientBundleResourceChangeListener.visitResourceDelta
 (ClientBundleResourceChangeListener.java:124)
at

 com.google.gwt.eclipse.core.clientbundle.ClientBundleResourceChangeListener.resourceChanged
 (ClientBundleResourceChangeListener.java:116)
at org.eclipse.core.internal.events.NotificationManager$2.run
 (NotificationManager.java:291)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.NotificationManager.notify
 (NotificationManager.java:285)
at
 org.eclipse.core.internal.events.NotificationManager.broadcastChanges
 (NotificationManager.java:149)
at org.eclipse.core.internal.resources.Workspace.broadcastPostChange
 (Workspace.java:313)
at org.eclipse.core.internal.resources.Workspace.endOperation
 (Workspace.java:1022)
at org.eclipse.core.internal.resources.InternalWorkspaceJob.run
 (InternalWorkspaceJob.java:45)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
 ===
 These are my JVM settings in eclipse.ini:

 --launcher.XXMaxPermSize
 256m
 -Xms256m
 -Xmx1024m
 -Xss1024k

 Is there a way to turn off this validation upon importing the project.
 Am I missing something or is this a bug?

 Thanks,
 Carlos

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Should DecoratorPanel implement ProvidesResize?

2010-01-05 Thread huherto



I am trying to find a solution for this.
http://groups.google.com/group/google-web-toolkit/browse_thread/thread/b645365429992479

But I am wondering if the DecoratorPanel  should implement
ProvidesResize?
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Re: gwt maven plugin build failed with java.lang.NoSuchFieldError

I found what was the cause of the exception. I have a jar dependency from my
other module that contains jasper reports stuff, i removed it to see if this
exception is because of it. It is very strange. With the other maven plugin
i didn't have this problem.

Any ideas?

Regards.
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GWT 2.0: Debug with Firefox and Eclipse

2010-01-05 Thread y

When GWT was working with its internal browser, debugging from Eclipse
was simple. I just marked the breakpoints and ran as debug. However,
it doesn't seem to work with GWT 2.0 and Firefox. Any idea what am I
missing?

Thanks
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Re: development mode rpc call is an http OPTIONS instead of POST

2010-01-05 Thread Derek

I found out what was causing my problem.

My RequestBuilder was originally constructed as: new RequestBuilder
(RequestBuilder.POST, http://localhost/appdir/somefile.aspx;);

Once I used either a specific machine name or relative path then it no
longer switched the from POST to OPTIONS. I now have the following:
new RequestBuilder(RequestBuilder.POST, /appdir/somefile.aspx);

On Jan 5, 7:49 am, Derek dealy...@hotmail.com wrote:
 I'm having a very similar problem, but don't have an answer yet.

 I'm using the RequestBuilder to do an HTTP POST to our IIS server.
 Everything seems fine when I'm in the Java debugger in hosted mode,
 but when I compile to Javascript, my POST is changed to OPTIONS in FF
 and Chrome, but it works properly in IE.

 I've been stuck on this problem for days now.

 On Jan 4, 4:51 pm, lfrohman lfroh...@gmail.com wrote:

  After upgrading my application to GWT 2.0, I am getting a
  com.google.gwt.user.client.rpc.StatusCodeException on an rpc call in
  Development mode.
  This only happens in Development mode, and only in Chrome and FF, it
  works fine in IE.
  When I look at the apache logs for production mode (and development
  mode in IE), the rpc
  call becomes an http POST:

  127.0.0.1 - - [04/Jan/2010:16:25:56 -0800] POST /parvia/piece.rpc
  HTTP/1.1 200 1943 http://localhost:/commerce/hosted.html?
  commerce Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64;
  Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR
  3.0.30729; Media Center PC 6.0; .NET CLR 1.1.4322; OfficeLiveConnector.
  1.4; OfficeLivePatch.1.3)

  but in Firefox and Chrome Development mode, the rpc call results in an
  http OPTIONS:

  127.0.0.1 - - [04/Jan/2010:16:28:24 -0800] OPTIONS /parvia/piece.rpc
  HTTP/1.1 200 - http://localhost:/commerce/hosted.html?commerce;
  Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/532.5
  (KHTML, like Gecko) Chrome/4.0.249.43 Safari/532.5

  anyone have an idea what is causing this?

  Thanks,
  Lance
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Re: GWT Hosted Mode browser window remains blank

2010-01-05 Thread Hendrik Jan van Randen

This problem can be overcome by using GWT 2.0, and by using a browser
instead of hosted mode for testing.
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History getToken causing infinite 250ms Timer Fire events

2010-01-05 Thread Brian

Is History.getToken() broken?

Upgraded to gwt 2.0.0 and the Speed Tracer plugin (Windows 7, 64bit,
Chrome), and noticed my app generated an infinite number of timer
timeouts.

I got it down to a hello,world style app.  This is the whole app:

public class Test implements EntryPoint {
public void onModuleLoad() {
String token = History.getToken();
RootPanel.get(block).add(new Label(hi));
}
}


Run this app, and watch the result with the Speed Tracer plugin in
Chrome.  I get a constant stream of:

Event Trace. Timer Fire. Duration 18ms. Time Type: setTimeout.
Interval 250ms

Remove the History.getToken() and all the timers go away.

Any ideas?


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Re: Add parameter to hosted mode URL with GWT 2.0

2010-01-05 Thread Thomas Broyer



On 5 jan, 17:41, Kees keesvanbem...@gmail.com wrote:
 Hi there,

 I have a GWT 2.0 project and, when in production, this standalone app
 will always be called with a parameter in the URL. Now for development
 purposes I would like to always start the hosted mode (Jetty) with a
 certain parameter in the URL.

 I know there was a field earlier called startupUrl, but I can't seem
 to get that working with 2.0

 I'm also using maven and the gwt-maven-plugin to start everything...
 which makes it even harder to get this working.

 Any ideas on how to add this parameter so that my hosted mode will
 always start like this:

 http://localhost:port/app.html?PARAM=testing

 Thanks for any advise in advance!

-startupUrl app.html?PARAM=testing ? (though I don't know how to pass
it to the DevMode with maven)
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Re: Eclipse locks up when opening GWT project

2010-01-05 Thread Rob Tanner

Shawn,

That's the easy part.  Select the Run Configuration for your app and
then select the (x)=Arguments tab.  There's a box labelled vm
arguments.
Type -d32 to force 32 bit environment.

On Jan 4, 5:04 pm, Shawn Brown big.coffee.lo...@gmail.com wrote:
  I'm running identical environments pm my MacBook Pro (Leopard) and my
  iMac (Snow Leopard).

 Snow Leopard will run 64 bit java by default - no?  Is GWT 64 bit compatible?

 What did you do to make Snow Leopard use a 32 bit vm?
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test folder not included in the Java Build Path Source

2010-01-05 Thread Pion

I am using GWT 2.0 plugins on Eclipse Galileo.

After invoking the New Application Project and follow its
instructions, it created standard src, test, war, etc folders.

One thing I notice (even in GWT 1.x), the test folder is not included
in the Java Build Path Source.

I have to do the following:

o Right-click on my project name - Build Path - Configure Build
Path. Java Build Path dialog box shows up.
o Click on the Java Build Path on the left panel
o It only shows MyProjectName/src
o Click Add Folder ... button
o Select test folder

Is this supposed to be like this? Is it a bug? Is my environment
wrong? Am I doing something wrong?

Thanks in advance for your help.
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Re: DockLayoutPanel sample code

Anyone?

On Tue, Jan 5, 2010 at 9:18 AM, N G nistar...@gmail.com wrote:
 Hi,

 I tried the DockLayoutCode which is presented in
 http://code.google.com/webtoolkit/doc/latest/DevGuideUiPanels.html:
 DockLayoutPanel p = new DockLayoutPanel(Unit.EM);
 p.addNorth(new HTML(header), 2);
 p.addSouth(new HTML(footer), 2);
 p.addWest(new HTML(navigation), 10);
 p.add(new HTML(some content));

 // I added this:
 RootLayoutPanel.get().add(p);

 All this code was obviously placed inside the onModuleLoad
 substituting the sample Eclipse startup code when you create a new
 GWT app. The output looked nothing like what was presented on that
 page.

 I also tried the SplitLayoutPanel code right below that one. Likewise,
 the result was nothing that I expected. For one, there were no grab
 area to drag. I inspected the generated page in Firebug and I can
 certainly see the grab area there, but I don't see anything to drag.
 Moving the mouse around that area doesn't change the mouse into a hand
 and doesn't let me grab the separation, etc...

 What am I doing wrong here?

 On a similar note... I was surprise to see the Eclipse autogenerate
 HTML page say that it is in quirks mode and changing to standards mode
 could have layout consequences (etc.) when the goals of GWT 2.0
 clearly state that they only aim to support standards mode.

 Could someone guide me on this one?

 Thanks,
 NG.



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NG
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Re: Color of cells in row in mouse over

2010-01-05 Thread Zak

If you do not need to support IE6, you can do this with CSS alone:

.myFlexTable tr:hover {
  background-color: blue;
}

If you have trouble getting it to work in IE7, make sure you have a
strict DOCTYPE in you host HTML page: http://www.bernzilla.com/item.php?id=762

If you do need to support this in IE6, it will require some coding
(IE6 only supports the :hover pseudo-class on a elements).

On Jan 5, 9:46 am, markww mar...@gmail.com wrote:
 Hi,

 Does anyone have an example of setting the color of a row of cells in
 a FlexTable on a mouse over? I'd like to turn the whole row of cells
 green for example when the user puts the mouse over any cell in that
 row,

 Thanks
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Standards mode requirement for GWT 2.0