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/*******************************************************************************
* Copyright (c) 2004, 2009 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 implementation
* Patrick Chuong (Texas Instruments) - Improve usability of the breakpoint view (Bug 238956)
*******************************************************************************/
package org.eclipse.debug.internal.ui.actions.breakpointGroups;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.debug.internal.ui.DebugPluginImages;
import org.eclipse.debug.internal.ui.IInternalDebugUIConstants;
import org.eclipse.debug.internal.ui.breakpoints.provisional.IBreakpointOrganizer;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
import org.eclipse.debug.internal.ui.views.breakpoints.BreakpointOrganizerManager;
import org.eclipse.debug.internal.ui.views.breakpoints.IBreakpointOrganizerInputProvider;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuCreator;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.events.MenuAdapter;
import org.eclipse.swt.events.MenuEvent;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
/**
*
*/
public class GroupBreakpointsByAction extends AbstractBreakpointsViewAction implements IMenuCreator {
private IAction fAction= null;
public GroupBreakpointsByAction() {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.IMenuCreator#dispose()
*/
public void dispose() {
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.IMenuCreator#getMenu(org.eclipse.swt.widgets.Control)
*/
public Menu getMenu(Control parent) {
// Never called
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.IMenuCreator#getMenu(org.eclipse.swt.widgets.Menu)
*/
public Menu getMenu(Menu parent) {
Menu menu = new Menu(parent);
menu.addMenuListener(new MenuAdapter() {
public void menuShown(MenuEvent e) {
Menu m = (Menu)e.widget;
MenuItem[] items = m.getItems();
for (int i=0; i < items.length; i++) {
items[i].dispose();
}
fillMenu(m);
}
});
return menu;
}
/**
* Get the breakpoint organizer input provider from the view input.
*
* @param input the view input.
* @return the breakpoint organizer input provider, can be <code>null</code>.
*/
private IBreakpointOrganizerInputProvider getOrganizerProvider(Object input) {
if (input instanceof IAdaptable) {
return (IBreakpointOrganizerInputProvider) ((IAdaptable) input).getAdapter(IBreakpointOrganizerInputProvider.class);
}
return null;
}
/**
* Fill pull down menu with the "group by" options
*/
private void fillMenu(Menu menu) {
// allow the organizer provider to populate the menu first
Object input = fView.getTreeModelViewer().getInput();
IBreakpointOrganizerInputProvider provider = getOrganizerProvider(input);
if (provider != null) {
IPresentationContext context = fView.getTreeModelViewer().getPresentationContext();
provider.fillMenu(input, context, menu);
fAction.setEnabled(menu.getItemCount() > 0);
return;
}
// determine which item should be checked
IBreakpointOrganizer[] organizers = fView.getBreakpointOrganizers();
boolean none = false;
boolean advanced = false;
IBreakpointOrganizer organizer = null;
if (organizers == null || organizers.length == 0) {
none = true;
} else if (organizers.length > 1) {
advanced = true;
} else {
organizer = organizers[0];
}
int accel = 1;
// Add hard-coded action for flat breakpoints list
IAction action = new GroupBreakpointsAction(null, fView);
addAccel(accel, action, BreakpointGroupMessages.GroupBreakpointsByAction_0);
accel++;
action.setImageDescriptor(DebugPluginImages.getImageDescriptor(IDebugUIConstants.IMG_VIEW_BREAKPOINTS));
action.setChecked(none);
ActionContributionItem item= new ActionContributionItem(action);
item.fill(menu, -1);
// Add actions for each contributed organizer
List actions = getActions(accel);
accel = accel + actions.size();
Iterator actionIter = actions.iterator();
while (actionIter.hasNext()) {
GroupBreakpointsAction bpAction = (GroupBreakpointsAction) actionIter.next();
bpAction.setChecked(bpAction.getOrganizer().equals(organizer));
item= new ActionContributionItem(bpAction);
item.fill(menu, -1);
}
// advanced action
AdvancedGroupBreakpointsByAction advancedAction = new AdvancedGroupBreakpointsByAction(fView);
addAccel(accel, advancedAction,BreakpointGroupMessages.GroupBreakpointsByAction_1);
advancedAction.setImageDescriptor(DebugPluginImages.getImageDescriptor(IInternalDebugUIConstants.IMG_ELCL_HIERARCHICAL));
advancedAction.setChecked(advanced);
item= new ActionContributionItem(advancedAction);
item.fill(menu, -1);
}
public List getActions(int accel) {
List actions= new ArrayList();
IBreakpointOrganizer[] organizers = BreakpointOrganizerManager.getDefault().getOrganizers();
for (int i = 0; i < organizers.length; i++) {
IBreakpointOrganizer organizer = organizers[i];
IAction action = new GroupBreakpointsAction(organizer, fView);
addAccel(accel, action, organizer.getLabel());
accel++;
action.setImageDescriptor(organizer.getImageDescriptor());
actions.add(action);
}
return actions;
}
private void addAccel(int accel, IAction action, String label) {
StringBuffer actionLabel= new StringBuffer();
if (accel != 10) {
if (accel < 10) {
// add the numerical accelerators 1 through 9
actionLabel.append('&');
}
actionLabel.append(accel);
} else {
actionLabel.append("1&0"); //$NON-NLS-1$
}
accel++;
actionLabel.append(' ');
actionLabel.append(label);
action.setText(actionLabel.toString());
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection) {
if (action != fAction) {
action.setMenuCreator(this);
fAction= action;
}
}
}
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