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Rap10M2 News

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RAP 1.0 M2 - New and Noteworthy

Here are some of the more noteworthy things available in milestone build M2 which will be available for download on March 2, 2007. If You don't want to wait, all the listed features are available in CVS HEAD.

JFace

Dialogs The RAP JFace adaption now provides the class Dialog and friends.
  • InputDialog

RapInputDialog.png

  • MessageDialog

RapQuestionDialog.png

  • ErrorDialog

File:RapErrorDialog.png

Due to the distributed nature of RAP, the way how the result is passed back to the caller differs from JFace. RAP JFace provides an IWindowCallback interface whose windowClosed method is called with the returnCode as a parameter when a dialog was closed.


RWT

ModifyEvent RWT now supports the ModifyEvent. The two widgets that benefit from this are Text and Spinner.

Though implementing a ModifyListener does not differ from SWT as You can see below, the inner workings do differ. In contrary to SWT that sends a ModifyEvent immediately, RWT uses a delay of currently 500 ms after which the server is notified about changes.

  Text text = new Text( parent, RWT.SINGLE );
  text.addModifyListener( new ModifyListener() {
    public void modifyText( ModifyEvent event ) {
      // update model with changed text
    }
  } );

Spinner Now there exists a Spinner widget that works much the same as in SWT.

RapSpinner.png

Default Button The default button was implemented, that You can now tell the Shell which of its buttons should behave as the default button. Just to have something to write for the next milestone news, the default button is not yet highlighted;)

For dependent Shells (those created with the Shell( Shell ) constructor), the Escape closes the shell.

Double click For List, Tree and CTabFolder RWT now recognizes a double-click that is reported via the widgetDefaultSelected method of the SelectionEvent.

If You doubt the authenticity of the screenshot You are free to try it out yourself with the online-demo. File:RapDoubleClick.png

Focus control and FocusEvent In this development cycle we also put our focus on the focus. Though not yet complete in all aspects the setFocus, forceFocus and isFocusControl on class Control allow You to set the focus on a control and query whether the control has the input focus. The getFocusControl on class Display tells You which control currently has the input focus.

When adding a FocusListener to a control, it will be notified about focusLost and focusGained events.