Re: type MenuBar or MenuItem with addClickHandler(new ClickHandler()

[Ali Thabet]

Form MenuItem i set the command witch execute the same code of the
ClickHandler. why you want tu add a ClickHandler to the MenuBar?

2012/7/5 Jens jens.nehlme...@gmail.com

 You have to use the Command interface. A Command will be executed then a
 MenuItem is activated. See JavaDoc for MenuBar/MenuItem.

 -- J.

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Re: type MenuBar or MenuItem with addClickHandler(new ClickHandler()

[Ali Thabet]

But the command can have fields so you must create your command class witch
implements the Command interface and put your parameters in the constructor
to set fields

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Re: type MenuBar or MenuItem with addClickHandler(new ClickHandler()

[Ali Thabet]

class MyCommand implements Command
   {
  private String _id;

  public MyCommand(String id)
  {
 _id = id;
  }

  @Override
  public void execute()
  {
 GreetingServiceAsync greetingService =
GWT.create(GreetingService.class);

 greetingService.loadCategoryPage(_id,new
AsyncCallbackGridPageModel() {

 @Override
 public void onFailure(Throwable caught) {
 }

 @Override
 public void onSuccess(GridPageModel grid) {

 GridPageBuilder.build(grid);

 }
 });

  }
   }

   public void addItemToMenuBar(MenuBar menuBar)
   {
  menuBar.addItem(firstItem, new MyCommand(firstId));
  menuBar.addItem(secondItem, new MyCommand(secondId));
   }

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MenuBar: position and z-index

[Ali Thabet]

Hello,

Is there a way to change how GWT define the position and the z-index of
submenus?

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Re: symbolMap files and packaging gwt project

[Ali Thabet]

Thak you for your Response Thomas.
Finally, i decided to keep these files. I took a look to the beautifull
interface GWT.UncaughtExceptionHandler witch is used to catch exceptions
at the top level jest before they escape to the browser, i have seen also
the GWT Developer's Guide - Logging and the class StackTraceDeobfuscator.
It seems eazy to send log messages to the server and have understandable
stack traces from client, so why not! :)

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symbolMap files and packaging gwt project

[Ali Thabet]

Hello,

My problem is that the war of my GWT project has a large size. So I want,
if possible, delete unused files from the war. There are several symbolMap
files in WEB-INF/deploy/my_project_name/symbolMapps/ (the same number of
permutations), i know that they are useful fo deobfuscation, but in my case
i do not use them.

Is it possible to remove these files from the project war?

Thank you in advance.

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Re: guice injecting remote servlet. Error 404 not found

[Ali Thabet]

did you have guice-snapshot.jar in your classpath?

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[gwt-dnd] drag handles (urgent)

[Ali Thabet]

Is it possible to use multiple drag handles for the same custom widget?

Is it possible to change the drag handle during application execution?
something like:

if (IsEditable)
{
dragHandle = focusPanel_1;
}
else
{
dragHandle = focusPanel_2;
}

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Re: Disable the display of values of a ListBox

[Ali Thabet]

I do not want the list appears to be disabled. It is located in a draggable
component. I do not want the values ​​appear after the click when the drag
operation start. The values ​​in the list are not used in the application
and they are unnecessary, just the appearance of the list is necessary.

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Problem with ValueChangeEvent.fire(HasValueChangeHandlersT, T)

[Ali Thabet]

Hello,

I have a strange behavior when using the method
ValueChangeEvent.fire(HasValueChangeHandlersT, T). This method works
well with
browsers Mozilla Firefox 6.0.2 and Opera 11.10, but does not work for
browsers Chrome, Internet Explorer 9 and Safari 5.0.3.

Do you have any idea about this problem?

The Java code is:

 private class ValueChangeAndSelectionHandler implements
ValueChangeHandlerString,
  SelectionHandlerSuggestion
   {
  private boolean _valueChangeEventhandled = false;

  @Override
  public void onSelection(SelectionEventSuggestion event)
  {
 MySuggestion selectedItem = (MySuggestion) event
.getSelectedItem();
 if (_valueChangeEventhandled)
 {
SuggestBox source = (SuggestBox) event.getSource();
String selected =
event.getSelectedItem().getReplacementString();
*ValueChangeEvent.fire(source, selected);*
_valueChangeEventhandled = false;
 }

  }

  @Override
  public void onValueChange(ValueChangeEventString event)
  {
 _valueChangeEventhandled = true;
 SuggestBox source = (SuggestBox) event.getSource();
 DefaultSuggestionDisplay suggestionDisplay =
(DefaultSuggestionDisplay) source
.getSuggestionDisplay();
 boolean listShowing = suggestionDisplay.isSuggestionListShowing();
 if (!listShowing)
 {
doWork();
_valueChangeEventhandled = false;
 }
  }
   }

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Re: how to fire a customized event.

[Ali Thabet]

If your goal is to do a treatment when the event occurs on the child widget you
must implement the corresponding interface in your custom Widget. for
example:

public class MyWidget extends Composite implements HasClickHandlers
{
private TextBox text = new TextBox();

private PushButton button = new PushButton(MyButton);

public MyWidget()
{
 
 initWidget(...);
 }

 @Override
   public HandlerRegistration addClickHandler(ClickHandler handler)
   {
  return button.addClickHandler(handler);
   }
}

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