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/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Brock Janiczak - bug 57999
* Michael Fraenkel - bug 84385
*******************************************************************************/
package org.eclipse.debug.internal.ui.views.breakpoints;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.resources.IMarkerDelta;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IBreakpointManager;
import org.eclipse.debug.core.IBreakpointManagerListener;
import org.eclipse.debug.core.IBreakpointsListener;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jface.viewers.CheckboxTreeViewer;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.activities.ActivityManagerEvent;
import org.eclipse.ui.activities.IActivityManagerListener;
import org.eclipse.ui.activities.IWorkbenchActivitySupport;
/**
* Handles breakpoint events and activity manager events (which can affect grouping),
* updating the breakpoints view and viewer.
*/
public class BreakpointsViewEventHandler implements IBreakpointsListener, IActivityManagerListener, IBreakpointManagerListener {
private BreakpointsView fView;
/**
* Constructs an event handler for the breakpoints view.
*/
public BreakpointsViewEventHandler(BreakpointsView view) {
fView= view;
IBreakpointManager breakpointManager = DebugPlugin.getDefault().getBreakpointManager();
breakpointManager.addBreakpointListener(this);
breakpointManager.addBreakpointManagerListener(this);
IWorkbenchActivitySupport activitySupport = PlatformUI.getWorkbench().getActivitySupport();
if (activitySupport != null) {
activitySupport.getActivityManager().addActivityManagerListener(this);
}
}
/**
* When this event handler is disposed, remove it as a listener.
*/
public void dispose() {
IBreakpointManager breakpointManager = DebugPlugin.getDefault().getBreakpointManager();
breakpointManager.removeBreakpointListener(this);
breakpointManager.removeBreakpointManagerListener(this);
IWorkbenchActivitySupport activitySupport = PlatformUI.getWorkbench().getActivitySupport();
if (activitySupport != null) {
activitySupport.getActivityManager().removeActivityManagerListener(this);
}
}
/**
* @see IBreakpointsListener#breakpointsAdded(IBreakpoint[])
*/
public void breakpointsAdded(final IBreakpoint[] breakpoints) {
if (fView.isAvailable() && fView.isVisible()) {
fView.asyncExec(new Runnable() {
public void run() {
if (fView.isAvailable()) {
CheckboxTreeViewer viewer = fView.getCheckboxViewer();
viewer.getControl().setRedraw(false);
BreakpointsContentProvider provider = (BreakpointsContentProvider)viewer.getContentProvider();
provider.reorganize();
// This code is left in as a test case for platform bug 77075
//for (int i = 0; i < breakpoints.length; i++) {
//viewer.expandToLevel(breakpoints[i], AbstractTreeViewer.ALL_LEVELS);
//}
// expand as required
for (int i = 0; i < breakpoints.length; i++) {
IBreakpoint breakpoint = breakpoints[i];
BreakpointContainer[] roots = provider.getRoots(breakpoint);
if (roots != null) {
for (int j = 0; j < roots.length; j++) {
viewer.expandToLevel(roots[j], AbstractTreeViewer.ALL_LEVELS);
}
}
}
fView.getViewer().refresh();
viewer.setSelection(new StructuredSelection(breakpoints));
viewer.getControl().setRedraw(true);
fView.updateObjects();
}
}
});
}
}
/**
* @see IBreakpointsListener#breakpointsRemoved(IBreakpoint[], IMarkerDelta[])
*/
public void breakpointsRemoved(final IBreakpoint[] breakpoints, IMarkerDelta[] deltas) {
if (fView.isAvailable() && fView.isVisible()) {
fView.asyncExec(new Runnable() {
public void run() {
if (fView.isAvailable()) {
CheckboxTreeViewer viewer= (CheckboxTreeViewer)fView.getViewer();
viewer.getControl().setRedraw(false);
((BreakpointsContentProvider)viewer.getContentProvider()).reorganize();
viewer.getControl().setRedraw(true);
fView.updateObjects();
}
}
});
}
}
/**
* @see IBreakpointsListener#breakpointsChanged(IBreakpoint[], IMarkerDelta[])
*/
public void breakpointsChanged(final IBreakpoint[] breakpoints, final IMarkerDelta[] deltas) {
if (fView.isAvailable() & fView.isVisible()) {
fView.asyncExec(new Runnable() {
public void run() {
if (fView.isAvailable()) {
CheckboxTreeViewer viewer = (CheckboxTreeViewer)fView.getViewer();
viewer.getControl().setRedraw(false);
BreakpointsContentProvider provider = (BreakpointsContentProvider) viewer.getContentProvider();
Set updates = new HashSet();
for (int i = 0; i < breakpoints.length; i++) {
IBreakpoint breakpoint = breakpoints[i];
viewer.update(breakpoint, null);
BreakpointContainer[] containers = provider.getContainers(breakpoint);
if (containers != null) {
for (int j = 0; j < containers.length; j++ ) {
updates.add(containers[j]);
}
} else {
updates.add(breakpoint);
}
}
Object[] objects = updates.toArray();
for (int i = 0; i < objects.length; i++) {
fView.updateCheckedState(objects[i]);
}
viewer.getControl().setRedraw(true);
fView.updateObjects();
}
}
});
}
}
/**
* When new activities are added or enabled, refresh the view contents to add/remove
* breakpoints related to the affected activities.
*/
public void activityManagerChanged(final ActivityManagerEvent activityManagerEvent) {
if (fView.isAvailable() & fView.isVisible() && activityManagerEvent.haveEnabledActivityIdsChanged()) {
fView.asyncExec(new Runnable() {
public void run() {
fView.getViewer().refresh();
}
});
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.IBreakpointManagerListener#breakpointManagerEnablementChanged(boolean)
*/
public void breakpointManagerEnablementChanged(boolean enabled) {
if (fView.isAvailable() & fView.isVisible()) {
fView.asyncExec(new Runnable() {
public void run() {
fView.getViewer().refresh();
}
});
}
}
}
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