Re: GWT tree Panel

[144_genting]

the tree does not appear in the navigation panel that i have setup on
the lefthand side(west).

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

GWT tree Panel

[144_genting]

Hi i am new with gwt and am having some problems with the tree panel.
it doesnt seem to appear. really need some help here. thnxs!
below is my code.

final TreePanel treePanelVistaArrows = new SampleTree();
 //treePanelVistaArrows.setTitle("Vista Arrows");
 treePanelVistaArrows.setWidth(250);
 treePanelVistaArrows.setHeight(400);
 treePanelVistaArrows.setUseArrows(true);
 //treePanelVistaArrows.getUseArrows(true);
 treePanelVistaArrows.setAnimate(true);
 treePanelVistaArrows.expandAll();
 Panel p2 = new Panel();
 p2.add(treePanelVistaArrows);
 navigationPanel.add(p2);
.
.
.
westPanel.add(navigationPanel);

class SampleTree extends TreePanel {

   public SampleTree() {
   TreeNode root = new TreeNode("Company
Heirarchy");
   TreeNode ceo = new TreeNode("Home");
   ceo.setExpanded(true);
   TreeNode manager1 = new TreeNode("Mind Map");
   manager1.setExpanded(true);
   TreeNode manager2 = new TreeNode("Info Vault");
   manager2.setExpanded(true);
   TreeNode manager3 = new TreeNode("Query Tree");
   manager3.setExpanded(true);
   TreeNode manager4 = new TreeNode("Browers
State");
   manager4.setExpanded(true);

   ceo.appendChild(manager1);
   ceo.appendChild(manager2);
   ceo.appendChild(manager3);
   ceo.appendChild(manager4);
   root.appendChild(ceo);

   setRootVisible(false);
   //setTitle("Company");
   setWidth(200);
   setHeight(400);
   setRootNode(root);
   root.setExpanded(true);
   }
   }


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: (JSNI) Accessing "this" instance from inner JS functions

[Sumit Chandel]

Hi Andrey,
The last solution that Thomas and sutarsa girl proposed should do the trick
(assigning the var to the 'this' variable before referencing functions from
it). The reason why this must be done to make sure that the copy of the
'this' object that you're dealing with is what you expect it to be. The
'this' variable in an inner function is part of a closure, and in closures,
the 'this' variable is stored by reference. Therefore, the state of the
'this' object at the time you're accessing it isn't guaranteed, and hence
your function call might not work. By assigning a var to 'this' and then
calling the function from that var, you're guaranteed that the function is
defined and the var is what you think it is.

This is described in the FAQ linked below:
http://code.google.com/docreader/#p=google-web-toolkit-doc-1-5&s=google-web-toolkit-doc-1-5&t=FAQ_BridgeMethodNotWorkingOnclick

Hope that helps,
-Sumit Chandel

On Sun, Mar 1, 2009 at 8:48 PM, sutarsa giri  wrote:

> hi andrey,
> i usually use this trick when deal with this reference inside method
>
>
> class PageToolbar extends PagingToolbar {
> private native void patch() /*-{
>var dummyThis=this;
>var pagingToolbar =
> th...@com.gwtext.client.widgets.component::getOrCreateJsObj()();
>
>pagingToolbar.field.on("keydown", function(e) {
>alert("1");
>*dummythi...@mypackage.pagetoolbar::mymethod()();
>alert("2");
>}, pagingToolbar);
> }-*/;
> private void mymethod() {
>  ...
> }
> }
>
>
>
> it's work for my jsni call
>
>
> On Mon, Mar 2, 2009 at 7:42 AM, Shawn Brown wrote:
>
>>
>> HI,
>>
>> > Is there any way I can access enclosing "this"
>> > instance (that would be PageToolbar)?
>>
>> Pass it in, and call your method. It works for me.
>>
>> patch(this);  //method call
>>
>> class PageToolbar extends PagingToolbar {
>> private native void patch(PageToolbar pt) /*-{  /class of whatever
>> gets passed in
>>   var pagingToolbar =
>> p...@com.gwtext.client.widgets.component::getOrCreateJsObj()();
>>
>>   pagingToolbar.field.on("keydown", function(e) {
>>   alert("1");
>>   p...@mypackage.pagetoolbar::mymethod()();
>>alert("2");
>>   }, pagingToolbar);
>> }-*/;
>> private void mymethod() {
>>  ...
>> }
>> }
>>
>>
>>
>
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: popup menu example

[Sumit Chandel]

Hi Carlo,
As Vagner pointed out, you can find an examples of various widgets in the
Showcase sample application linked above (just click on the "Source Code"
tab to see view the GWT source).

In case you were looking for an example of a Menu widget rather than a Popup
(it was unclear in your original message), you can find an example of a
MenuBar in the Showcase sample application as well at the link below:

http://gwt.google.com/samples/Showcase/Showcase.html#CwMenuBar

Hope that helps,
-Sumit Chandel

On Sun, Mar 1, 2009 at 7:59 PM, Vagner Araujo  wrote:

>
> http://gwt.google.com/samples/Showcase/Showcase.html#CwBasicPopup
>
> Vagner Araujo.
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Buttons Question

[alex.d]

The easiest way is probably to extend button class to hold an extra
id. Smth. like (not checked - just to give you an idea):

class myButton extends Button
{
  private int id;

  Button(int id)
  {
this.id = id;
super();
  }

  public int getId()
  {
return id;
  }
}

Every time you instantiate a Button - give it your primary key to
hold. Every time you click on it use getId() to retrieve the primary
key.

On 4 Mrz., 22:14, "fatjack1...@googlemail.com"
 wrote:
> Hi,
>
> I have a rather straight forward question that is driving me up the
> wall trying to solve. Im sure someone on here can help me. So here
> goes:
>
> Basically I have a list of records created in a for loop and a Button
> which I want to associate with each record. I need to make a listener
> that takes say the primary key of the associated Record when the
> button is clicked. However, I cant for the life of me work out how to
> implement this.
>
> Please can someone point me in the right direction?
>
> Regards,
> Jack
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

how to get imsges from server to client

[avd]

dear sir,
i have a problem in gwt my problem is:
How to get images may be 100 images at once from server to client and
dispaly them at browser?


please send me some good solution abt this problem.



with regards
Avdhesh
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Sequential workflow in an asynchronous GWT world

[hazy1]

Making an async call appear to be sequential is easy, just block or
fade out or have a pop up progress bar until the async operation
completes.

On Mar 4, 10:15 pm, rlaferla  wrote:
> How is everyone managing to implement sequential workflows when GWT
> only allows async calls?
>
> I have a series of panels that user must respond to in sequence and
> their answers may lead to a different path of panels (warnings, error
> panels, etc..)  I think every GWT programmer working on a large
> project must have run into this.   I'm interested in what strategies/
> techniques/code you used to help keep the complexity down.
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: GWT with JPA not working in hosted mode

[grishag]

I tried a few things today but beside more problems, no solution yet.

1. Created a few POJOs and added a bunch of JPA annotations to them
(including the javax.persistence.CascadeType). In my RPC service
class, I manually instantiate a POJO and return it. This works fine.
The GWT compiler/shell is not complaining about any annotations. I'm
still using Gilead and GWT-SL with the -noserver option.

2. For my second attempt, I configured the above POJOs in my Spring
AnnotationSessionFactoryBean, e.g



...


 ...
 
au.gov.vic.dpi.mpd.geodatavic2.module.domain.client.model.security.User

  


Note, I still just manually create the User class in the RPC service
class, I'm not actually retrieving anything from database via
Hibernate but it didn't work. I got the following exception (on the
server):

SEVERE: Exception while dispatching incoming RPC call
java.lang.RuntimeException: java.lang.NullPointerException
at
org.gwtwidgets.server.spring.GWTRPCServiceExporter.handleExporterProcessingException
(GWTRPCServiceExporter.java:344)
at org.gwtwidgets.server.spring.GWTRPCServiceExporter.processCall
(GWTRPCServiceExporter.java:313)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost
(RemoteServiceServlet.java:86)
at org.gwtwidgets.server.spring.GWTRPCServiceExporter.handleRequest
(GWTRPCServiceExporter.java:363)
at
org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter.handle
(HttpRequestHandlerAdapter.java:49)
at org.springframework.web.servlet.DispatcherServlet.doDispatch
(DispatcherServlet.java:875)
at org.springframework.web.servlet.DispatcherServlet.doService
(DispatcherServlet.java:809)
at org.springframework.web.servlet.FrameworkServlet.processRequest
(FrameworkServlet.java:476)
at org.springframework.web.servlet.FrameworkServlet.doPost
(FrameworkServlet.java:441)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service
(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process
(Http11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol
$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:
447)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at net.sf.gilead.core.hibernate.HibernateUtil.isUnsavedValue
(HibernateUtil.java:1328)
at net.sf.gilead.core.hibernate.HibernateUtil.getId
(HibernateUtil.java:290)
at net.sf.gilead.core.hibernate.HibernateUtil.getId
(HibernateUtil.java:200)
at net.sf.gilead.core.hibernate.HibernateUtil.isPersistentPojo
(HibernateUtil.java:314)
at net.sf.gilead.core.PersistentBeanManager.clonePojo
(PersistentBeanManager.java:325)
at net.sf.gilead.core.PersistentBeanManager.clone
(PersistentBeanManager.java:241)
at net.sf.gilead.gwt.GileadRPCHelper.parseReturnValue
(GileadRPCHelper.java:129)
at
org.gwtwidgets.server.spring.hb4gwt.HB4GWTRPCServiceExporter.invokeMethodOnService
(HB4GWTRPCServiceExporter.java:63)
at org.gwtwidgets.server.spring.GWTRPCServiceExporter.processCall
(GWTRPCServiceExporter.java:298)
... 21 more

I'm still scratching my head about this one...

3. I did try to retrieve POJOs from the database instead of manually
creating them but I got the same result.

The POJOs are quite simple. Here's an example. Why this doesn't work
is a mistery to me.

@Entity
@Table(name = "USERS", schema = "SECURITY")
public class Users extends LightEntity implements java.io.Serializable
{

private String userId;
private Date endDate;
private Set applicationRoleses = new
HashSet(0);

public Users() {
}

@Id
@Column(name = "USER_ID", unique = true, nullable = false, length =
25)
public String getUserId() {
return this.userId;
}

public void setUserId(String userId) {
this.userId = userId;
}

@Temporal

Validation Framework

[Pete]

Has anyone found a simple and still supported validation framework for
gwt yet?

Cheers

Pete

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Why does FormPanel don't implement the "reset" method?

[ChaoS]

IE an FF both supply this method
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

"The method addClickListener(ClickListener) in the type Label is not applicable for the arguments (TheLocalConnectorContent)"

[zackmac]

I'm trying to make a click event occur for several images that are
rendered as HTML using AbstractImagePrototype.getHTML() and having
trouble.  I can make a click event just fine when I do each individual
HTML object, but when I try to use the "this" pointer, I get the error
in the subject.  Here's a snippet of my code.  Please comment how I
can do this right and, if not this way, how to make it such that I
don't need to create a bunch of individual clickListeners.

// Constructor
TheLocalConnectorContent() {
t = new FlexTable();
t.addStyleName("flex-table");

images = GWT.create(TheLocalConnectorImages.class);

// Retrieve the html portion from TheLocalConnectorImages
carouselresale = new HTML(images.carouselresale().getHTML());

   carouselresale.addClickListener(this);
}

// Fired off when an ad was clicked
public void onClick(Widget sender) {

   // First check to see if a regular image was clicked
if (sender == carouselresale) {
setImagePopupAndDisplay(carouselresale_full);
}
}
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

pagingScrollTable re-size

[verl]

When I re-size the Browser window, the left Side of my
PagingScrollTable moves around.

In the pagingScrollTable example:

http://collectionofdemos.appspot.com/demo/com.google.gwt.gen2.demo.scrolltable.ScrollTableDemo/ScrollTableDemo.html

When you re-size the browser, the left side of the table stays
stationary.

How do you keep the left side stationary when you resize?

Is there a way to see the source code for the pagingScrollTable
example?

Thanks.
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Google Analytics and GWT

[Arthur Kalmenson]

How is this related to Google Analytics? Please start another thread.

--
Arthur Kalmenson



On Wed, Mar 4, 2009 at 8:04 AM, shital k  wrote:
> Hi All,
>
> Can any one guide me how to add the feature zoom in/ zoom out to charts
> using gchart and gwt?
>
> Thanks,
> Shital
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Sequential workflow in an asynchronous GWT world

[Vitali Lovich]

Sorry - so to make it more applicable to what you were asking:

disable your current UI/indicate that the application is working.  you may
also want to prefetch the UI here if necessary.

when you receive your result in your async callback, perform the transition.

On Wed, Mar 4, 2009 at 10:32 PM, Vitali Lovich  wrote:

> You have to think about what kind of UI the users actions have caused.  For
> instance, if you would expect all inputs to become disabled (or at least the
> one which would generate more async calls).  Perhaps also some kind of
> waiting indicator that you are in an async call.
>
>
> On Wed, Mar 4, 2009 at 10:15 PM, rlaferla wrote:
>
>>
>> How is everyone managing to implement sequential workflows when GWT
>> only allows async calls?
>>
>> I have a series of panels that user must respond to in sequence and
>> their answers may lead to a different path of panels (warnings, error
>> panels, etc..)  I think every GWT programmer working on a large
>> project must have run into this.   I'm interested in what strategies/
>> techniques/code you used to help keep the complexity down.
>>
>>
>> >>
>>
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Sequential workflow in an asynchronous GWT world

[Vitali Lovich]

You have to think about what kind of UI the users actions have caused.  For
instance, if you would expect all inputs to become disabled (or at least the
one which would generate more async calls).  Perhaps also some kind of
waiting indicator that you are in an async call.

On Wed, Mar 4, 2009 at 10:15 PM, rlaferla  wrote:

>
> How is everyone managing to implement sequential workflows when GWT
> only allows async calls?
>
> I have a series of panels that user must respond to in sequence and
> their answers may lead to a different path of panels (warnings, error
> panels, etc..)  I think every GWT programmer working on a large
> project must have run into this.   I'm interested in what strategies/
> techniques/code you used to help keep the complexity down.
>
>
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Question about Server-client model.

[wsstop]

Hi,
I’m a very beginner of GWT. I need some help.

I’m working on some project such as:
1. User on server make some Java application by using Swing , AWT,  or
other API.
2. Server converts them into Java script by using GWT and sends them
to client.
3. Whenever contents on server are changed, server has to refresh the
contents on client. (Push).

Are there any good solution or example for me?
I need your help!

Thank you

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Announcing GWT 1.6 Milestone 2

[Riyaz Mansoor]

Just installed M2 and took a look around. I must say I like it - feels
more natural to me. For a new project I wanted to start in 1.6, I
didn't want to migrate in the middle and update all the deprecated
stuff.

Haven't put it through its paces yet. But first thing - I have control
of web.xml :)

Excellent work.



--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Sequential workflow in an asynchronous GWT world

[rlaferla]

How is everyone managing to implement sequential workflows when GWT
only allows async calls?

I have a series of panels that user must respond to in sequence and
their answers may lead to a different path of panels (warnings, error
panels, etc..)  I think every GWT programmer working on a large
project must have run into this.   I'm interested in what strategies/
techniques/code you used to help keep the complexity down.


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: GWT with JPA not working in hosted mode

[sutarsa giri]

Hi,
you may need to take a look at -noserver option when running your gwt shell.
with this, you could use your favorite servlet container as server for your
gwt shell.

regards,
Gede sutarsa

2009/3/3 grishag 

>
> Hi,
>
> I have a problem running GWT in hosted mode using JPA annotated domain
> classes. I can compile my project to JavaScript, package it up in a
> war and run it on a server no problem but I can't do the same in
> hosted mode. Really annoying, without hosted mode development is
> really slow.
>
> Here is what I have done:
>
> 1. I have one module that defines my domain classes (sitting under the
> GWT client package) and DAO classes (under GWT server pacakge). The
> following is the gwt.xml file for this module:
>
> 
>
>
> 
>
> 2. The second module implements the client UI and the RPC service that
> uses the domain objects from the first module:
>
> 
>
>
>
>
> name='au.gov.vic.dpi.mpd.geodatavic2.module.domain.DomainModel' />
>
>
>
>
> class='au.gov.vic.dpi.mpd.geodatavic2.module.legends.client.StratigraphicLegends'/
> >
> 
>
> Like I said I can compile this using GWTCompiler and run it all on a
> standalone server but not in hosted mode (I'm using the noserver
> option).
>
> I've been through my classpath multiple times and everything looks
> fine but I'm still getting this error no matter what I do. If anyone
> has any idea why this is happening and most importantly how to fix
> this it would be greatly appreciated. I've been battling with this
> thing for a day and a half and I'm out of ideas.
>
> Thank you.
>
> Buildfile: U:\projects\GeoDataVic2alt\build.xml
> gwt.run:
> [java] java.lang.NoClassDefFoundError: javax/persistence/
> CascadeType
> [java] at java.lang.Class.getDeclaredMethods0(Native Method)
> [java] at java.lang.Class.privateGetDeclaredMethods(Unknown
> Source)
> [java] at java.lang.Class.getDeclaredMethods(Unknown Source)
> [java] at
>
> com.google.gwt.dev.shell.DispatchClassInfo.lazyInitTargetMembersUsingReflectionHelper
> (DispatchClassInfo.java:184)
> [java] at
> com.google.gwt.dev.shell.DispatchClassInfo.lazyInitTargetMembers
> (DispatchClassInfo.java:146)
> [java] at com.google.gwt.dev.shell.DispatchClassInfo.getMemberId
> (DispatchClassInfo.java:55)
> [java] at com.google.gwt.dev.shell.CompilingClassLoader
> $DispatchClassInfoOracle.getDispId(CompilingClassLoader.java:130)
> [java] at com.google.gwt.dev.shell.CompilingClassLoader.getDispId
> (CompilingClassLoader.java:531)
> [java] at
> com.google.gwt.dev.shell.ie.IDispatchProxy.getIDsOfNames
> (IDispatchProxy.java:124)
> [java] at com.google.gwt.dev.shell.ie.IDispatchImpl.GetIDsOfNames
> (IDispatchImpl.java:273)
> [java] at com.google.gwt.dev.shell.ie.IDispatchImpl.method5
> (IDispatchImpl.java:189)
> [java] at org.eclipse.swt.internal.ole.win32.COMObject.callback5
> (COMObject.java:108)
> [java] at org.eclipse.swt.internal.ole.win32.COM.VtblCall(Native
> Method)
> [java] at org.eclipse.swt.internal.ole.win32.IDispatch.Invoke
> (IDispatch.java:64)
> [java] at org.eclipse.swt.ole.win32.OleAutomation.invoke
> (OleAutomation.java:493)
> [java] at org.eclipse.swt.ole.win32.OleAutomation.invoke
> (OleAutomation.java:417)
> [java] at
> com.google.gwt.dev.shell.ie.ModuleSpaceIE6.doInvokeOnWindow
> (ModuleSpaceIE6.java:67)
> [java] at com.google.gwt.dev.shell.ie.ModuleSpaceIE6.doInvoke
> (ModuleSpaceIE6.java:152)
> [java] at com.google.gwt.dev.shell.ModuleSpace.invokeNative
> (ModuleSpace.java:447)
> [java] at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject
> (ModuleSpace.java:228)
> [java] at
> com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject
> (JavaScriptHost.java:91)
> [java] at
>
> au.gov.vic.dpi.mpd.geodatavic2.module.legends.client.service.StratigraphicLegendsService_TypeSerializer.createMethodMap
> (transient source for
>
> au.gov.vic.dpi.mpd.geodatavic2.module.legends.client.service.StratigraphicLegendsService_TypeSerializer)
> [java] at
>
> au.gov.vic.dpi.mpd.geodatavic2.module.legends.client.service.StratigraphicLegendsService_TypeSerializer.
> (transient source for
>
> au.gov.vic.dpi.mpd.geodatavic2.module.legends.client.service.StratigraphicLegendsService_TypeSerializer:
> 10)
> [java] at
>
> au.gov.vic.dpi.mpd.geodatavic2.module.legends.client.service.StratigraphicLegendsService_Proxy.
> (transient source for
>
> au.gov.vic.dpi.mpd.geodatavic2.module.legends.client.service.StratigraphicLegendsService_Proxy:
> 12)
> [java] at java.lang.Class.forName0(Native Method)
> [java] at java.lang.Class.forName(Unknown Source)
> [java] at
> com.google.gwt.dev.shell.ModuleSpace.loadClassFromSourceName
> (ModuleSpace.java:516)
> [java] at com.google.gwt.dev.shell.ModuleSpace.rebindAndCreate
> (ModuleSpace.java:360)
> 

problem about add the 3rd party gadgets to GWT page.

[Xiongjia Le]

Hi All,

Yesterday, I wrote a test page for  add the gadget of "Google Friend
Connect" to my GWT page.

I create a new HTML object and set the gadget's script (got from
"Google Friend Connect" ) to this object.
This is the code summary:


HTML htmObj = new HTML("")
RootPanel.get().add(htmObj);


But this code only can run on Firefox. In other browsers (IE, Chrome,
etc.) the gadget is can not show correctly.

Do we need use other way to add a 3rd party gadgets to GWT page?

Thanks,
Xiongjia Le
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Error: missing ; after for-loop initializer

[gwt-noob]

In the Firefox error console I see the error message:

Error: missing ; after for-loop initializer
Source File: .cache.html
Line: 42, Column: 167

I'm using GWT 1.5.3 and I looking around found a Fixed issue but the
link on GWT release notes is dead
http://code.google.com/webtoolkit/releases/release-notes-1.1.10.html
(issue 4927592)

Maybe something is still not fixed and I've run into it. Any help
would be appreciated.

FYI, the page loads fine in GWT shell but IE, Firefox and Chrome all
dont work.

Thanks!


That line in the GWT generated code is:

function cr(q,r){var a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,s,t;if
(200==r.a.status){t=r.a.responseText;o=(t2(),C4(u2,t));c=c4(new b4(),
(B4(),o.a.getElementsByTagNameNS(ri,ik)));this.a.c=nab(new mab());for
(i=0;ihttp://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Has "CustomFieldSerializer" functionality changed in GWT 1.6

[evgeniy]

Hi,
I was using GWT 1.5.2 and have custom field serializers with serialize
(...) and deserialize(...) methods. And it was working perfectly. When
I tried GWT 1.6.1 instead I've got serialization exception. When I
switch back to 1.5.2 all works perfectly again. Does anybody knows
what was changed?
Best regards, Evgeniy.

PS. BTW, does anybody knows why there is so little information and
documentation about custom serialization in GWT?
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: limitation on text area length?

[mikedshaffer]

Can only answer the first one, and partially.  I was teaching a high
school web design class a couple of years ago and a kid copied and
pasted about a zillion characters into a text area and got it to
fail.  I'm sitting on a bus right now so I don't have the specifics,
but I seem to remember it was rather large, like 256,000 characters or
something.  Also vaguely remember that it was different between the
browsers, but this was IE6 era



On Mar 4, 4:43 pm, greenpossum  wrote:
> Is anybody aware of browser-specific limitations on the length of text
> in a textarea? I have reports from some users that their text is
> truncated after they have pasted it from a TinyMCE instance back into
> a GWT textarea. My suspect would be IE but I have not got a reply from
> the user yet.
>
> On a related question, I noticed that textarea widget has only the
> getText method. I recall from Javascript books that the textarea
> element could return its contents in chunks (2kB as I recall) as a
> list of elements. Has GWT abstracted all that as a getText method?
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: EntryPoint onModuleLoad called multiple times over course of application lifetime

[Jason Essington]

remember, if your libraries (other GWT modules) also have entry  
points, all of the onModuleLoad() methods will be called in turn.

-jason

On Mar 4, 2009, at 12:30 AM, Brian Ferris wrote:

>
> I have a relatively complex GWT application composed of my main
> application EntryPoint and a number of library modules.  I had some
> printlns in the EntryPoint for my application and the libraries and I
> noticed that they are called multiple times over the course of the
> application lifetime in hosted mode.  This is not the standard "I just
> hit the reload button" case where you expect to hit your module
> EntryPoint, but more of the case where a user has just hit a button to
> initiate an RPC call that then updates the UI.
>
> Is this expected behavior?  Something I should be worried about?  I
> apologize for not posting any code samples, but I'm hoping there is
> something simple I'm missing before I go through the work of trying to
> reproduce the behavior with a simpler code fragment.
> >


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Dealing with session timeout and container managed security

[Jason Essington]

The problem with jumping ahead of the RemoteServiceServlet for your  
authentication is that you don't have a good way to communicate to GWT  
that there was an authentication exception.

I tend to do my JAAS login inside the RemoteServiceServlet where I can  
throw a checked AuthenticationException which I can in turn handle  
gracefully on the client side.

consider this scenario:

User loads a rather large cash worksheet that he needs to fill, the  
user begins filling the worksheet, then takes a break, and returns to  
complete the worksheet. This user then submits the completed worksheet.

Now, with the previously mentioned technique, the session is checked  
before the request is deserialized and the server notices that the  
session has expired, and throws an authentication exception. The  
client recieves that exception in the onFailure() method of the  
callback and takes appropriate action to have the user reauthenticate.  
once that process is successful, the client application can resubmit  
the original request, and the user has not lost any of his work.

If you use the default form based the world just stops, the user is  
forced to reauthenticate outside the scope of the application, and his  
progress is lost. This really aggravates customers by the way.

-jason

On Mar 4, 2009, at 7:30 AM, marcelstoer wrote:

>
> Hhhmm, the community being quiet can mean a lot of things...none are
> really positive.
>
> Was I talking about some dark GWT corners where no stable/proper
> solutions exist?
> Or is there simply "no right way" to solve my problem, but rather many
> potential solutions that all have their flaws?
>
> On Feb 28, 8:26 am, marcelstoer  wrote:
>> Is there some consensus or best practice in the GWT community as for
>> how to deal with session timeout and container managed security?  
>> There
>> are some pointers if you search for this subject, but some of the
>> ideas are wild...
>>
>> In my case I use the Servlet container's built in security features
>> for authentication as described in the Servlet specification. Hence,
>> in my web.xm I protect access to the GWT application like so:
>>
>>   
>> 
>>   my app
>>   /app/*
>>   GET
>>   POST
>>   PUT
>>   DELETE
>> 
>> 
>>   *
>> 
>>   
>>
>>   
>> FORM
>> 
>>   /public/login.jsp
>>   /public/login.jsp?retry=true
>> 
>>   
>>
>>   
>> *
>>   
>>
>> So, the application (host/bootstrap page, RPC Servlet, etc.) is in  
>> the
>> "app" folder and the login form (login.jsp) is in the "public"  
>> folder.
>> This works flawlessly except for the session timeout use case.
>> The application sends an RPC request to /app/AppServlet, the Servlet
>> container requires authentication because the session had timed out
>> and dutifully *forwards* to the login page. Hence, the result of the
>> request is not some RPC/JSON/XML object as expected by the client but
>> the login page HTML structure. The client simply isn't prepared for
>> that and freezes i.e. doesn't do anything.
>>
>> I believe that on the server side everything is set up correctly. If
>> the session timed out the requests don't even reach the RPC Servlet
>> because it's intercepted by the container, fine.
>>
>> But how do you deal with this in the client?
>> Should one write some custom AsyncCallback class that handles the
>> reponse sent by the container?
>>
>> Thanks for your feedback.
>> Marcel
> >


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

limitation on text area length?

[greenpossum]

Is anybody aware of browser-specific limitations on the length of text
in a textarea? I have reports from some users that their text is
truncated after they have pasted it from a TinyMCE instance back into
a GWT textarea. My suspect would be IE but I have not got a reply from
the user yet.

On a related question, I noticed that textarea widget has only the
getText method. I recall from Javascript books that the textarea
element could return its contents in chunks (2kB as I recall) as a
list of elements. Has GWT abstracted all that as a getText method?

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Loading new HTML page when button is clicked

[Ian Bambury]

You *do* need to do it like that.
But you also need to write out a history record when you display a page.

In the onModuleLoad, you check the history token and display whichever page
the history token tells you to load.

Have a look at the History() class

Ian

http://examples.roughian.com


2009/3/4 mrfreeze81 

>
> Hello,
>   I'm trying to navigate from one HTML page to another when a button
> is clicked on the first. I have a button listener added and it's
> inside a panel. Now when I click the button, I want to load a new
> page.
>
>   I do not want to use
>
> 
> RootPanle.get().add(new Page1);
> .
> .
> when button_clicked {
>RootPanel.get().clear;
>RootPanle.get().add(new Page2);
> }
> 
>
> Because if I use this and refresh the page, it loads Page1
>
> How do I go about this?
>
> Thanks,
> Freeze
>
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: How can I use gwt for my project

[Jason Essington]

In your specific case it sounds like you want to make certain items on  
your pages dynamic.

That can be doe with GWT using either a singe or multiple entry points.

You would still use one main module that is a monolithic compilation  
of all of your dynamic parts. Include the 

Loading new HTML page when button is clicked

[mrfreeze81]

Hello,
   I'm trying to navigate from one HTML page to another when a button
is clicked on the first. I have a button listener added and it's
inside a panel. Now when I click the button, I want to load a new
page.

   I do not want to use


RootPanle.get().add(new Page1);
.
.
when button_clicked {
RootPanel.get().clear;
RootPanle.get().add(new Page2);
}


Because if I use this and refresh the page, it loads Page1

How do I go about this?

Thanks,
Freeze

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

DATEBOX & HOURS RESETTED

[bond]

Hi,
I've a question about DateBox widget. If you set a Format as this: "dd/
MM/ HH:mm" on DateBox, when you are selecting a Date, the hour &
minutes are resetted.

So in your dateBox you have a date as 04/03/2009 15:30 and then you're
focusing on the textbox, the DatePicker is displayed.But when you
select a date (ex. 10/03/2009) the hours&minutes are resetted and your
date will be 10/03/2009 00:00.

Anyone can suggest a solution?

This one is not very good because the date is first setted on the
textbox and then is rewritten:

txtDataCompilazione.getDatePicker().addValueChangeHandler(new
ValueChangeHandler() {

@Override
public void onValueChange(ValueChangeEvent event) {
Date ok = event.getValue();
ok.setHours(dataCompilazione.getHours());
ok.setMinutes(dataCompilazione.getMinutes());
txtDataCompilazione.setValue(ok,false);
}
});
txtDataCompilazione.getTextBox().addBlurHandler(new BlurHandler
() {

@Override
public void onBlur(BlurEvent event) {
try {
dataCompilazione = DateTimeFormat.getFormat("dd/MM/
 HH:mm").parseStrict(txtDataCompilazione.getTextBox().getText());

} catch (Exception ex) {
}
}
});

Thanks

Regards
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: GWT with JPA not working in hosted mode

[noon]

Hi,

I have a small template of this and will post it where you want me
to ;)
This afternoon, I analyzed stack trace and found some "strange" code
in CompilingClassLoader GWT class (http://code.google.com/p/google-web-
toolkit/source/browse/releases/1.5/dev/core/src/com/google/gwt/dev/
shell/CompilingClassLoader.java ):

@Override
  protected synchronized Class findClass(String className)
  throws ClassNotFoundException {
if (className == null) {
  throw new ClassNotFoundException("null class name",
  new NullPointerException());
}

// Don't mess with anything in the standard Java packages.
//
if (isInStandardJavaPackage(className)) {
  // make my superclass load it
  throw new ClassNotFoundException(className);
}
   
}

As far as I understand, every class (and annotations) from java and
javax package are not managed by this class loader, which could lead
to the issue.
I still have to validate this analysis by debugging this method step
by step.

If I am right, I will open an issue about it in GWT project.

Regards
Bruno


On 4 mar, 14:52, Arthur Kalmenson  wrote:
> That doesn't really make sense to me either. We use JPA annotated
> beans on the client side all the time and all of them have
> CascadeType. We don't use either Gilead or GXT, so it might have
> something to do with those libraries. Can you try to create small
> sample project without those libraries and see if hosted mode launches
> with the JPA annotations? Then add the Gilead library, see if it
> works, then add the GXT library and see if it works.
>
> --
> Arthur Kalmenson
>
> On Tue, Mar 3, 2009 at 5:57 PM, grishag  wrote:
>
> > It's strange but I'm not running with the embedded Tomcat. I used the
> > "noserver" option and deployed my code to a standalone server (Tomcat
> > 6.0.18). So according to your last comment it should be working. Could
> > you please post a link to the Gilead forum you've mentioned? I just
> > tried to find it with no luck. I don't see why this would work in the
> > web mode anyway because it still goes through the process of trying to
> > compile the annotated code. I actually had a look at the offending
> > line CompilingClassLoader line 579 and sure enough if the package
> > starts with java or javax it throws this exception. Why gwt emulation
> > not working when running in hosted mode but works during compiling
> > beats me.
>
> > Thanks for your help.
>
> > On Mar 4, 5:19 am, noon  wrote:
> >> Some more precisions, since this is a recurrent issue related in
> >> Gilead forum :
> >>     - The offending annotation is *always* CascadeType. The code
> >> source is the same as regular JPA annotation.
> >>     - Not a classpath issue : I repoduced the issue with the JAR on
> >> classpath, and no way to tell Hosted Mode to take it into account
> >>     - Only the "embedded" hosted mode fails, web mode is ok.
>
> >> Regards
> >> Bruno
>
> >> On 3 mar, 15:38, Arthur Kalmenson  wrote:
>
> >> > Hmm, have you checked the classpath you use for your GWTCompile and
> >> > hosted mode launching in Ant? Make sure they're the same. Hosted mode
> >> > works fine with JPA annotations here (although we do use Maven). It
> >> > looks like it might be a classpath issue.
>
> >> > --
> >> > Arthur Kalmenson
>
> >> > On Mon, Mar 2, 2009 at 9:48 PM, grishag  
> >> > wrote:
>
> >> > > Hi,
>
> >> > > I have a problem running GWT in hosted mode using JPA annotated domain
> >> > > classes. I can compile my project to JavaScript, package it up in a
> >> > > war and run it on a server no problem but I can't do the same in
> >> > > hosted mode. Really annoying, without hosted mode development is
> >> > > really slow.
>
> >> > > Here is what I have done:
>
> >> > > 1. I have one module that defines my domain classes (sitting under the
> >> > > GWT client package) and DAO classes (under GWT server pacakge). The
> >> > > following is the gwt.xml file for this module:
>
> >> > > 
> >> > >        
> >> > >        
> >> > > 
>
> >> > > 2. The second module implements the client UI and the RPC service that
> >> > > uses the domain objects from the first module:
>
> >> > > 
> >> > >        
> >> > >        
> >> > >        
>
> >> > >         >> > > name='au.gov.vic.dpi.mpd.geodatavic2.module.domain.DomainModel' />
>
> >> > >        
>
> >> > >         >> > > class='au.gov.vic.dpi.mpd.geodatavic2.module.legends.client.StratigraphicLegends'/
>
> >> > > 
>
> >> > > Like I said I can compile this using GWTCompiler and run it all on a
> >> > > standalone server but not in hosted mode (I'm using the noserver
> >> > > option).
>
> >> > > I've been through my classpath multiple times and everything looks
> >> > > fine but I'm still getting this error no matter what I do. If anyone
> >> > > has any idea why this is happening and most importantly how to fix
> >> > > this it would be greatly appreciated. I've been battling with this
> >> > > thing for a day and a half and I'm out of ideas.
>
> >> > > Thank 

Buttons Question

[fatjack1...@googlemail.com]

Hi,

I have a rather straight forward question that is driving me up the
wall trying to solve. Im sure someone on here can help me. So here
goes:

Basically I have a list of records created in a for loop and a Button
which I want to associate with each record. I need to make a listener
that takes say the primary key of the associated Record when the
button is clicked. However, I cant for the life of me work out how to
implement this.

Please can someone point me in the right direction?

Regards,
Jack
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: How to retrieve data as byte[] in GWT from getImageData

[Matt Bishop]

According to the WhatWG spec for , getImageData() returns a
CavasPixelArray, which is an array of bytes. What if you created a
JavaScriptObject to represent it? Does GWT thunk to bytes across the
JSNI boundary OK? I know it won't pass arrays of anything back, but
individual elements maybe:

import com.google.gwt.core.client.JavaScriptObject;

public class CanvasPixelArray extends JavaScriptObject {
protected CanvasPixelArray() {
//required by GWT
}

public native int getLength() /*-{
return this.length;
}-*/;

public native byte getPixelByte(int pos) /*-{
return this[pos];
}-*/;
}


//then, create one in your code:
public byte[] getBitmap(Element canvasElement, int left, int top, int
width, int height) {
//then, create one in your code:
CanvasPixelArray cpa = getCPA(canvasElement, left, top, width,
height);
byte[] pixelBytes = new byte[cpa.length()];
for (int i = 0; i < cpa.length(); i++) {
   pixelBytes[i] = cpa.getPixelByte(i);
}
return pixelBytes;
}

private native CanvasPixelArray getCPA(Element canvas, int sx, int sy,
int sw, int sh) /*-{
return canvas.getContext("2d").getImageData(sx, sy, sw, sh);
}-*/;


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Creating charts using GWT

[JoeB]

Hi,

Can someone give me advice on the best way to create polished-looking
charts using GWT?  Notes:
1) My GWT app won't have web access so it can't call out to Google
Visualizations.
2) The GChart package is nice for bar charts and line charts, but it
doesn't support gauges (like on a dashboard) or 3D pie charts, both of
which I need.
3) I've thought about using JFreeChart on the server to create image
files, then displaying those in the client.  Is this the best way?  Is
there anything better out there?

Thanks.

-- Joe

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

modify model for PagingScrollTable, see updates?

[limbicsys...@gmail.com]

I'm using a PagingScrollTable with my own MutableTableModel.   Is
it possible to update the model and have the table re-draw itself in
response to the change?   The use case I have in mind is that the user
is viewing some data in the table, and then clicks some kind of button
to filter the table data based on some criteria.  I'd then want the
table to somehow request new data via the model, which would result in
an RPC call.  I've tried calling reload() on the table, but it seems
to be caching the data or something, as my requestRows() method is not
being invoked.

Is the problem that MutableTableModel wants to "pull" the data?  Is
there a more appropriate model to use in situations where the table
data might change externally?

Thanks


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Bug in gwt Grid, Setting Background image

[Tobe]

I am getting a similar problem with setting the background image in a
flex table. The image seems to be set for the table as a whole and
then also for each cell in the first column. The problem started
occuring after upgrading to 1.5 from 1.3. (It also doesn't happen in
Firefox, just IE7)
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: strange behavior for float numbers

[Tony Paul]

Thank you Alan.

The numbers I want to display, come from a file, to the server, then the
server sends those numbers to GWT. So I don't have control generating the
numbers as rational numbers. The solution that worked for me is to read the
numbers on the server as double, then send them to GWT. GWT displays the
numbers correctly and performing calculation works well too. I think it's
the conversion from float to double that causes this problem.

- Tony

On Wed, Feb 25, 2009 at 9:50 AM, Alan Hadsell  wrote:

>
>
>
> On Feb 24, 1:52 pm, "tony.p.."  wrote:
>
> > This seems like a bug in JS, more than just the way it handles float.
> > Because I'm not doing any calculations on the GWT (JS) side, I'm just
> > printing what comes from the server. So if 15.2 if printed as
> > 15.20, that would be ok, but to be printed as
> > 15.19809265136 is really weired. Am I right or am I missing
> > something?
>
> You're missing something.  In JavaScript there is no such number as
> 15.2.  JavaScript uses IEEE-754 standard floating-point notation,
> which can only represent numbers of the form (i times 2 ** j) where **
> represents exponentiation, and i and j are integers.  See
> http://babbage.cs.qc.edu/courses/cs341/IEEE-754references.html for
> details.  The effect is similar to trying to represent 1/3 with an
> exact decimal representation; you can come very close but you can't
> get it exactly.
>
> If you want to represent exact decimal numbers in JavaScript you have
> two choices:  Use strings, and forego doing arithmetic on them, or use
> rational numbers, where all numbers are internally in the form (i/j)
> with i and j integers.
>
> One very useful subset of rational notation is scaled decimal, where j
> is a constant power of 10 depending on the maximum precision you want
> to retain.  So if you're maintaining 4 digits after the decimal place,
> j is 1, and 15.2 is represented as 152000/1.  The denominator
> (also called the scale factor) can be implied in this case (i.e. you
> don't need to store it with each number; think of it as a static final
> value).
>
> This notation makes it easy to add and subtract; just add or subtract
> the numerators.  Multiplication is easy if the numbers are small --
> multiply the numerators and then divide by the scale factor.  Division
> is relatively easy; multiply one numerator by the scale factor and
> then divide by the other numerator.  In both multiplication and
> division you need to think about rounding, and also about overflow if
> any of the intermediate results might exceed 15 digits.
> - Show quoted text -
>
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Reloading borgmon for Stubby Doom thingo

[Eric Ayers]

-- 
Eric Z. Ayers - GWT Team - Atlanta, GA USA
http://code.google.com/webtoolkit/

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Window.confirm in timer.run()

[Danny Schimke]

Yeah! I canceled the timer and restarted it in in the run() method... It is
about the way you've advised me.

Thanks again!
-Danny

2009/3/4 Vitali Lovich 

> Did that solve your problem?
>
>
> On Wed, Mar 4, 2009 at 12:35 PM, Danny Schimke 
> wrote:
>
>> Thanks for that detailled answer ;)
>>
>> 2009/3/4 Vitali Lovich 
>>
>> You're probably using scheduleRepeat.  Browsers are strictly single
>>> threaded (some multi-threading Javascript support coming in FF3.1 that I
>>> know of).  Anyways your problem is this:
>>>
>>> run()
>>> showWindow()
>>> browser keeps generating timer event probably because that comes from the
>>> OS & there's no locking in place
>>> user clicks on button
>>> next event is shown
>>>
>>> Instead do this:
>>>
>>> timer.schedule(1000);
>>> run() {
>>>showWindow()
>>>timer.schedule(1000);
>>>
>>> }
>>>
>>> On Wed, Mar 4, 2009 at 9:34 AM, Danny Schimke 
>>> wrote:
>>>
 Hello!

 I am using a timer to ask the user after xy minutes to save his changes
 to database. In the run() method of timer I ask the user wheather he want 
 to
 save the changes. If the user clicks OK I'll save othwerwise I'll do
 nothing. I shedule the timer repeatly after xy minutes. When does the timer
 reruns? After handling the run() method? I recognized that the timer reruns
 while the confirm message is shown. Is this an issue or correct? Should the
 timer rerun while its run() method is not finished? I occurs in Firefox, in
 IE it works like I am thinking how it should work.

 Example for Error:

 - Rerunning timer every 1 minute
 - Confirmation is shown after 1 minute, user does *not* click  *OK* or
 *Cancel*
 - After two or more minutes I'll click OK or Cancel and the confirm
 window closes. But the confirm window of the second timer run is shown.
 - The window is maximal shown two times (e.g. when I am waiting three or
 more minutes)

 It should be not very difficult to use a workaround, but I want to
 understand the correct working of the GWT timer.

 Thank you!
 -Danny



>>>
>>>
>>>
>>
>>
>>
>
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Window.confirm in timer.run()

[Vitali Lovich]

Did that solve your problem?

On Wed, Mar 4, 2009 at 12:35 PM, Danny Schimke wrote:

> Thanks for that detailled answer ;)
>
> 2009/3/4 Vitali Lovich 
>
> You're probably using scheduleRepeat.  Browsers are strictly single
>> threaded (some multi-threading Javascript support coming in FF3.1 that I
>> know of).  Anyways your problem is this:
>>
>> run()
>> showWindow()
>> browser keeps generating timer event probably because that comes from the
>> OS & there's no locking in place
>> user clicks on button
>> next event is shown
>>
>> Instead do this:
>>
>> timer.schedule(1000);
>> run() {
>>showWindow()
>>timer.schedule(1000);
>>
>> }
>>
>> On Wed, Mar 4, 2009 at 9:34 AM, Danny Schimke 
>> wrote:
>>
>>> Hello!
>>>
>>> I am using a timer to ask the user after xy minutes to save his changes
>>> to database. In the run() method of timer I ask the user wheather he want to
>>> save the changes. If the user clicks OK I'll save othwerwise I'll do
>>> nothing. I shedule the timer repeatly after xy minutes. When does the timer
>>> reruns? After handling the run() method? I recognized that the timer reruns
>>> while the confirm message is shown. Is this an issue or correct? Should the
>>> timer rerun while its run() method is not finished? I occurs in Firefox, in
>>> IE it works like I am thinking how it should work.
>>>
>>> Example for Error:
>>>
>>> - Rerunning timer every 1 minute
>>> - Confirmation is shown after 1 minute, user does *not* click  *OK* or *
>>> Cancel*
>>> - After two or more minutes I'll click OK or Cancel and the confirm
>>> window closes. But the confirm window of the second timer run is shown.
>>> - The window is maximal shown two times (e.g. when I am waiting three or
>>> more minutes)
>>>
>>> It should be not very difficult to use a workaround, but I want to
>>> understand the correct working of the GWT timer.
>>>
>>> Thank you!
>>> -Danny
>>>
>>>
>>>
>>
>>
>>
>
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Slow data loading to a FlexTable

[eadams]

Thanks for the suggestions.

Changing the code to add the FlexTable to the scroll panel after
loading the data resulted in a good improvement. The 268 row parts
list will now load in IE in just over 5 seconds. I tried the setVisible
() suggestion as well, but that did not yield much change. The changes
yielded an elapsed time of 0.3 seconds in Firefox.

On Mar 4, 11:55 am, Lothar Kimmeringer  wrote:
> eadams schrieb:
>
> > The
> > timings showed the first third was in about 1.5 seconds, the next
> > third was in about 4 seconds and the last third in over 6 seconds.
> > This elapsed time is after thedatahas been received from the server
> > (which is also very fast).
>
> > All of the above is on a Windows Vista client using IE 7. Testing the
> > same code on FireFox 3.0.6, the 268 rows display in under 1 second. Is
> > this a known problem with IE and are there any work arounds?
> > Unfortunately FireFox is not a solution for this issue as the
> > company's only approved browser is IE.
>
> It's a rendering issue and not the only one. Try creating a
> Tree with 100.000 elements and have a look how much fun you
> have with InternetExplorer and Firefox (Safari is very fast
> here which makes me jealous).
>
> One thing I haven't tried but you might try out is adding
> the flex-table to the panel after adding all rows. This
> might speed up things because InternetExplorer seems to
> redraw the whole table when adding rows (this is not GWT-
> specific, I had the same effects with other web-frameworks
> in the Good Old Days(R) as well). Or - if that has no effect -
> you might play around with setVisible.
>
> Regards, Lothar
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Re: Window.confirm in timer.run()

[Danny Schimke]

Thanks for that detailled answer ;)

2009/3/4 Vitali Lovich 

> You're probably using scheduleRepeat.  Browsers are strictly single
> threaded (some multi-threading Javascript support coming in FF3.1 that I
> know of).  Anyways your problem is this:
>
> run()
> showWindow()
> browser keeps generating timer event probably because that comes from the
> OS & there's no locking in place
> user clicks on button
> next event is shown
>
> Instead do this:
>
> timer.schedule(1000);
> run() {
>showWindow()
>timer.schedule(1000);
>
> }
>
> On Wed, Mar 4, 2009 at 9:34 AM, Danny Schimke wrote:
>
>> Hello!
>>
>> I am using a timer to ask the user after xy minutes to save his changes to
>> database. In the run() method of timer I ask the user wheather he want to
>> save the changes. If the user clicks OK I'll save othwerwise I'll do
>> nothing. I shedule the timer repeatly after xy minutes. When does the timer
>> reruns? After handling the run() method? I recognized that the timer reruns
>> while the confirm message is shown. Is this an issue or correct? Should the
>> timer rerun while its run() method is not finished? I occurs in Firefox, in
>> IE it works like I am thinking how it should work.
>>
>> Example for Error:
>>
>> - Rerunning timer every 1 minute
>> - Confirmation is shown after 1 minute, user does *not* click  *OK* or *
>> Cancel*
>> - After two or more minutes I'll click OK or Cancel and the confirm window
>> closes. But the confirm window of the second timer run is shown.
>> - The window is maximal shown two times (e.g. when I am waiting three or
>> more minutes)
>>
>> It should be not very difficult to use a workaround, but I want to
>> understand the correct working of the GWT timer.
>>
>> Thank you!
>> -Danny
>>
>>
>>
>
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

google image search in my java application

[pitty]

Hi,
i try to create a little JAVA-application that should make a google
image search and show the images.
is the gwt the right thing for that. some years ago, there was a
library that only provided a googleapi.jar and a license key. is there
still something simple like that?
thanks,
ralf

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Followup on "elem is null" issue (Firefox 3)

[dunhamst...@gmail.com]

The previous thread for this issue is no longer taking new posts, but
after receiving a few emails, I wanted to follow up on this issue.

   
http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/fabd646526aaf2bc?pli=1

In short, it manifests itself as Widget.element and sometimes other
fields appearing to be null in cases where they shouldn't be.  For
example, immediately after being assigned a non-null value.  (The real
value shows up later on.)

This occurs sporadically, and only on Firefox 3. It seems to occur
within a constructor (e.g. soon after the object was created). What I
believe is happening is that the value from the prototype is being
used instead of the value on the object itself, possibly due to some
kind of property caching within Firefox. We're seeing this a _lot_ on
our application in production.

The upstream bug for this issue is 449809, 
https://bugzilla.mozilla.org/show_bug.cgi?id=449809

Our current production application is silently ignoring these issues,
but reporting them back to us. This required a bunch of patching of
GWT and seems non-optimal.

The next release of our application is taking a different approach.
I've added the following code to UIObject, which seems to eliminate
all occurrences of this issue with the "element" field.

  public UIObject() {
  /*
   * FF3 HACK - we set this to null explicitly in the constructor
(rather than on the JS prototype),
   * hoping that the actual non-null setElement() will be more
likely to "take".
   */
  element = null;
  }


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

Stuck or cancelled ?

[carsten...@googlemail.com]

Hello,

it seems you're a little bit stuck, or maybe cancelled your project ?!
Eventually you really should split your work into two projects, i
think nearly everyone is waiting for the php server solution, please
share it with the world.

Good luck,

CRO

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to 
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~--~~~~--~~--~--~---

SmartGWT: retrieving node value

[ytbryan]

hi all,

i posted something  on smartgwt forum but didn't get much response.

so i hope someone here can give me some advices.
..
I can't retrieve the value of the nested xml element.  i want to
retrieve the value of  "name" under the "author" node

below is my datasource.

import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.DataSourceField;
import com.smartgwt.client.data.DSRequest;
import com.smartgwt.client.data.fields.DataSourceFloatField;
import com.smartgwt.client.data.fields.DataSourceIntegerField;
import com.smartgwt.client.data.fields.DataSourceLinkField;
import com.smartgwt.client.data.fields.DataSourceTextField;
import com.smartgwt.client.data.fields.DataSourceImageField;
import com.smartgwt.client.types.DSDataFormat;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptObject;

public class Twitter2XmlDS  extends DataSource{


   private static Twitter2XmlDS instance = null;

public static Twitter2XmlDS getInstance() {
if (instance == null) {
instance = new Twitter2XmlDS("twitterDS");
}
return instance;
}

public Twitter2XmlDS(String id) {

setID(id);
setDataFormat(DSDataFormat.XML);
setRecordXPath("//default:entry");
setDataURL("ds/test_data/twitter2.data.xml");
System.out.println(getRecordXPath());
System.out.println(getDataFormat().toString());
DataSourceTextField title_Field = new DataSourceTextField
("title", "Title");
DataSourceTextField updated_Field = new DataSourceTextField
("updated", "Updated");
***DataSourceTextField author_Field = new DataSourceTextField
("name","Author_name");***
***author_Field.setValueXPath("author/name");***
setFields(title_Field,updated_Field,author_Field);
setClientOnly(true);

}


}




my atom xml:


http://base.google.com/ns/1.0"; xml:lang="en-US"
xmlns:openSearch="http://a9.com/-/spec/opensearch/1.1/"; xmlns="http://
www.w3.org/2005/Atom" xmlns:twitter="http://api.twitter.com/";>
  tag:search.twitter.com,2005:search/twitter
  
  
  twitter - Twitter Search
  http://search.twitter.com/opensearch.xml"/>
  
  2009-03-03T16:19:18Z
  15
  
  
tag:search.twitter.com,2005:1274320152
2009-03-03T16:19:18Z
http://twitter.com/
kaplanmyrth/statuses/1274320152"/>
Watching @ev at #TED talking about #Twitter: 
http://ping.fm/IS0GK
Watching @ev at #TED talking about #Twitter: http://ping.fm/
IS0GK
2009-03-03T16:19:18Z
http://s3.amazonaws.com/
twitter_production/profile_images/64875999/andyhand_normal.jpg"/>
Ping.fm

  kaplanmyrth (Andy Kaplan-Myrth)
  http://twitter.com/kaplanmyrth

  
  
tag:search.twitter.com,2005:1274320130
2009-03-03T16:19:18Z
http://twitter.com/
Phr0ztByte/statuses/1274320130"/>
RT @shanselman: "Why I won't follow you on Twitter"
http://is.gd/eJrC
RT @shanselman: "Why I won't follow you
on Twitter"  http://is.gd/eJrC;
2009-03-03T16:19:18Z
http://s3.amazonaws.com/
twitter_production/profile_images/56005704/thomas_normal.jpg"/>
TwitterFon

  Phr0ztByte (Phr0ztByte)
  http://twitter.com/Phr0ztByte

  
  
tag:search.twitter.com,2005:1274320065
2009-03-03T16:19:16Z
http://twitter.com/
jd_s/statuses/1274320065"/>
Good Morning Tweeple !! (Twitter reference for you
facebookers out there)
Good Morning Tweeple !! (Twitter reference for you facebookers out there)
2009-03-03T16:19:16Z
http://s3.amazonaws.com/
twitter_production/profile_images/70818368/mad_robot_normal.png"/>
web;

  jd_s (jd_s)
  http://twitter.com/jd_s

  
  
tag:search.twitter.com,2005:1274320062
2009-03-03T16:19:16Z
http://twitter.com/
seanrsullivan/statuses/1274320062"/>
Twitter is now linked to Facebook. Social network marriage
made in heaven.
Twitter is now linked to
Facebook. Social network marriage made in heaven.
2009-03-03T16:19:16Z
http://s3.amazonaws.com/
twitter_production/profile_images/76380071/coffee_normal.jpg"/>
Tweetie

  seanrsullivan (seanrsullivan)
  http://twitter.com/seanrsullivan

  
  
tag:search.t