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Re: [nebula-dev] PListItem Listener Help in PaletteShelfStrategyenvironment
|
That worked. Thanks a bunch.
From: Chris Gross <schtoo@xxxxxxxxxx>
Reply-To: Nebula Dev <nebula-dev@xxxxxxxxxxx>
To: Nebula Dev <nebula-dev@xxxxxxxxxxx>
Subject: Re: [nebula-dev] PListItem Listener Help in
PaletteShelfStrategyenvironment
Date: Mon, 17 Jul 2006 15:03:13 -0400
Hi PK,
The item classes don't have any events. Item classes do not typically have
low-level events like mouse events, and only sometimes will have higher
level events like selection. The PShelf and PList class has the selection
events/listeners. You should listen for the selection event on the parent
widget, rather then listening for low-level events on the item classes.
-Chris
Prakash Rao Kanthi wrote:
Hi Chris & All,
I am using SWTPlus components in my projects. I have a big problem with
'Listener' for PListItem. The problem is, Listener is never invoked for
PListItem. There is no MouseListener for PLIstItem. PShelf and PList have
MouseListeners and they work just fine. Following is the code segment. Can
you please let me know what i am doing wrong?
Looks like the problem is any listener registered using 'addListener(int
eventType, Listener listener)' does seem to work. I tried all SWT event
types.
Thanks,
PK
-----------------------------------------------------------------------
PShelfItem si = new PShelfItem(pShelf,SWT.NONE);
si.setText("ShelfIetm1");
si.setImage(GalleryImageRegistry.getImage(this.getClass(),"list4_small.png"));
GridLayout gl = new GridLayout();
gl.marginHeight = 0;
gl.marginWidth = 0;
si.getBody().setLayout(gl);
ListBarListStrategy listStrategy = new
ListBarListStrategy(ListBarListStrategy.HOVER |
ListBarListStrategy.ROUNDED);
PList pList = new PList(si.getBody(),PList.SINGLE,listStrategy);
pList.setLayoutData(new GridData(GridData.FILL_BOTH));
pList.addMouseListener(new MouseAdapter() {
public void mouseDown(MouseEvent evt) {
System.out.println("pList - Mouse Pressed.");
}
});
System.out.println("Initializing PaletteShelfStrategy GUI.");
PListItem li = new PListItem(pList,SWT.NONE);
li.setText("Example1");
li.setImage(GalleryImageRegistry.getImage(this.getClass(),"list4_small.gif"));
try {
listener = new Listener() {
public void handleEvent(Event event) {
System.out.println("Requesting Example1");
exampleArea.getDisplay().asyncExec(new Runnable() {
public void run() {
System.out.println("Requesting Example1");
}
});
}
};
li.addListener(SWT.MouseUp, listener);
li.addListener(SWT.MouseDown, listener);
li.addListener(SWT.Selection, listener);
li.addListener(SWT.MouseDoubleClick | SWT.MouseHover, listener);
li.addListener(0, listener);
} catch(Exception exp) {
exp.printStackTrace();
}
-----------------------------------------------------------------------
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