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/*******************************************************************************
* Copyright (c) 2005, 2006 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
*******************************************************************************/
package org.eclipse.debug.internal.ui.contexts;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.runtime.ListenerList;
import org.eclipse.debug.internal.ui.contexts.provisional.IDebugContextListener;
import org.eclipse.debug.internal.ui.contexts.provisional.IDebugContextManager;
import org.eclipse.debug.internal.ui.contexts.provisional.IDebugContextProvider;
import org.eclipse.debug.internal.ui.views.ViewContextManager;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWindowListener;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
/**
* @since 3.2
*/
public class DebugContextManager implements IDebugContextManager {
private static DebugContextManager fgDefault;
private Map fServices = new HashMap();
private ListenerList fGlobalListeners = new ListenerList();
private class WindowListener implements IWindowListener {
/* (non-Javadoc)
* @see org.eclipse.ui.IWindowListener#windowActivated(org.eclipse.ui.IWorkbenchWindow)
*/
public void windowActivated(IWorkbenchWindow window) {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWindowListener#windowDeactivated(org.eclipse.ui.IWorkbenchWindow)
*/
public void windowDeactivated(IWorkbenchWindow window) {
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWindowListener#windowClosed(org.eclipse.ui.IWorkbenchWindow)
*/
public void windowClosed(IWorkbenchWindow window) {
DebugWindowContextService service = (DebugWindowContextService) fServices.remove(window);
if (service != null) {
service.dispose();
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWindowListener#windowOpened(org.eclipse.ui.IWorkbenchWindow)
*/
public void windowOpened(IWorkbenchWindow window) {
}
}
private DebugContextManager() {
PlatformUI.getWorkbench().addWindowListener(new WindowListener());
}
public static IDebugContextManager getDefault() {
if (fgDefault == null) {
fgDefault = new DebugContextManager();
// create the model context bindigg manager at the same time
DebugModelContextBindingManager.getDefault();
// create view manager
ViewContextManager.getDefault();
}
return fgDefault;
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.contexts.IDebugContextManager#addDebugContextProvider(org.eclipse.debug.ui.contexts.IDebugContextProvider)
*/
public void addDebugContextProvider(IDebugContextProvider provider) {
IWorkbenchPart part = provider.getPart();
IWorkbenchWindow window = part.getSite().getWorkbenchWindow();
DebugWindowContextService service = createService(window);
service.addProvider(provider);
}
protected DebugWindowContextService createService(IWorkbenchWindow window) {
DebugWindowContextService service = (DebugWindowContextService) fServices.get(window);
if (service == null) {
service = new DebugWindowContextService(window);
fServices.put(window, service);
// TODO: register 'null' provider (global)
// register global listeners
Object[] listeners = fGlobalListeners.getListeners();
for (int i = 0; i < listeners.length; i++) {
IDebugContextListener listener = (IDebugContextListener) listeners[i];
service.addDebugContextListener(listener);
}
}
return service;
}
protected IDebugContextService getService(IWorkbenchWindow window) {
return (DebugWindowContextService) fServices.get(window);
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.contexts.IDebugContextManager#removeDebugContextProvider(org.eclipse.debug.ui.contexts.IDebugContextProvider)
*/
public void removeDebugContextProvider(IDebugContextProvider provider) {
IWorkbenchPart part = provider.getPart();
IWorkbenchWindow window = part.getSite().getWorkbenchWindow();
DebugWindowContextService service = (DebugWindowContextService) fServices.get(window);
if (service != null) {
service.removeProvider(provider);
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.contexts.IDebugContextManager#addDebugContextListener(org.eclipse.debug.ui.contexts.IDebugContextListener, org.eclipse.ui.IWorkbenchWindow)
*/
public void addDebugContextListener(IDebugContextListener listener, IWorkbenchWindow window) {
IDebugContextService service = createService(window);
service.addDebugContextListener(listener);
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.contexts.IDebugContextManager#removeDebugContextListener(org.eclipse.debug.ui.contexts.IDebugContextListener, org.eclipse.ui.IWorkbenchWindow)
*/
public void removeDebugContextListener(IDebugContextListener listener, IWorkbenchWindow window) {
IDebugContextService service = getService(window);
if (service != null) {
service.removeDebugContextListener(listener);
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.contexts.IDebugContextManager#addDebugContextListener(org.eclipse.debug.ui.contexts.IDebugContextListener, org.eclipse.ui.IWorkbenchWindow, java.lang.String)
*/
public void addDebugContextListener(IDebugContextListener listener, IWorkbenchWindow window, String partId) {
DebugWindowContextService service = createService(window);
service.addDebugContextListener(listener, partId);
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.contexts.IDebugContextManager#removeDebugContextListener(org.eclipse.debug.ui.contexts.IDebugContextListener, org.eclipse.ui.IWorkbenchWindow, java.lang.String)
*/
public void removeDebugContextListener(IDebugContextListener listener, IWorkbenchWindow window, String partId) {
IDebugContextService service = getService(window);
if (service != null) {
service.removeDebugContextListener(listener, partId);
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.contexts.IDebugContextManager#getActiveContext(org.eclipse.ui.IWorkbenchWindow)
*/
public ISelection getActiveContext(IWorkbenchWindow window) {
IDebugContextService service = getService(window);
if (service != null) {
return service.getActiveContext();
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.contexts.IDebugContextManager#getActiveContext(org.eclipse.ui.IWorkbenchWindow, java.lang.String)
*/
public ISelection getActiveContext(IWorkbenchWindow window, String partId) {
IDebugContextService service = getService(window);
if (service != null) {
return service.getActiveContext(partId);
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.contexts.IDebugContextManager#addDebugContextListener(org.eclipse.debug.internal.ui.contexts.IDebugContextListener)
*/
public void addDebugContextListener(IDebugContextListener listener) {
fGlobalListeners.add(listener);
DebugWindowContextService[] services = getServices();
for (int i = 0; i < services.length; i++) {
DebugWindowContextService service = services[i];
service.addDebugContextListener(listener);
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.contexts.IDebugContextManager#removeDebugContextListener(org.eclipse.debug.internal.ui.contexts.IDebugContextListener)
*/
public void removeDebugContextListener(IDebugContextListener listener) {
fGlobalListeners.remove(listener);
DebugWindowContextService[] services = getServices();
for (int i = 0; i < services.length; i++) {
DebugWindowContextService service = services[i];
service.removeDebugContextListener(listener);
}
}
/**
* Returns the existing context services.
*
* @return existing context services
*/
private DebugWindowContextService[] getServices() {
Collection sevices = fServices.values();
return (DebugWindowContextService[]) sevices.toArray(new DebugWindowContextService[sevices.size()]);
}
}
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