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package org.eclipse.debug.internal.ui.actions;
/**********************************************************************
Copyright (c) 2000, 2002 IBM Corp. All rights reserved.
This file is made available under the terms of the Common Public License v1.0
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v10.html
**********************************************************************/
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IDebugEventSetListener;
import org.eclipse.jface.action.IAction;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IActionDelegate2;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchWindow;
public abstract class AbstractListenerActionDelegate extends AbstractDebugActionDelegate implements IDebugEventSetListener, IActionDelegate2 {
/**
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
* @see org.eclipse.ui.IActionDelegate2#dispose()
*/
public void dispose() {
super.dispose();
DebugPlugin.getDefault().removeDebugEventListener(this);
}
/**
* @see IDebugEventSetListener#handleDebugEvents(DebugEvent[])
*/
public void handleDebugEvents(final DebugEvent[] events) {
if (getWindow() == null || getAction() == null) {
return;
}
Shell shell= getWindow().getShell();
if (shell == null || shell.isDisposed()) {
return;
}
Runnable r= new Runnable() {
public void run() {
Shell shell= getWindow().getShell();
if (shell == null || shell.isDisposed()) {
return;
}
for (int i = 0; i < events.length; i++) {
if (events[i].getSource() != null) {
doHandleDebugEvent(events[i]);
}
}
}
};
shell.getDisplay().asyncExec(r);
}
/**
* Default implementation to update on specific debug events.
* Subclasses should override to handle events differently.
*/
protected void doHandleDebugEvent(DebugEvent event) {
switch (event.getKind()) {
case DebugEvent.TERMINATE :
update(getAction(), getSelection());
break;
case DebugEvent.RESUME :
if (!event.isEvaluation() || !((event.getDetail() & DebugEvent.EVALUATION_IMPLICIT) != 0)) {
update(getAction(), getSelection());
}
break;
case DebugEvent.SUSPEND :
// Update on suspend events (even for evaluations), in case the user changed
// the selection during an implicit evaluation.
update(getAction(), getSelection());
break;
}
}
/**
* @see IWorkbenchWindowActionDelegate#init(IWorkbenchWindow)
*/
public void init(IWorkbenchWindow window){
super.init(window);
DebugPlugin.getDefault().addDebugEventListener(this);
}
/**
* @see IViewActionDelegate#init(IViewPart)
*/
public void init(IViewPart view) {
super.init(view);
DebugPlugin.getDefault().addDebugEventListener(this);
setWindow(view.getViewSite().getWorkbenchWindow());
}
/**
* @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction)
*/
public void init(IAction action) {
}
/**
* @see org.eclipse.ui.IActionDelegate2#runWithEvent(org.eclipse.jface.action.IAction, org.eclipse.swt.widgets.Event)
*/
public void runWithEvent(IAction action, Event event) {
run(action);
}
}
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