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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are 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
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ui.sync.actions;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.team.internal.ui.TeamUIPlugin;
import org.eclipse.team.internal.ui.sync.views.SynchronizeView;
/**
* This class manages the actions contributed by the subscriber.
*/
public class SyncViewerSubscriberActions extends SyncViewerActionGroup {
// cache of the subscriber actins
private HashMap definitions; // Subscriber class name -> SubscriberAction[]
private ContributedSubscriberAction[] actions;
/**
* @param syncView
*/
protected SyncViewerSubscriberActions(SynchronizeView syncView) {
super(syncView);
loadDefinitions();
}
private void loadDefinitions() {
IExtensionPoint point = Platform.getPluginRegistry().getExtensionPoint(TeamUIPlugin.ID, TeamUIPlugin.PT_SUBSCRIBER_MENUS);
IExtension[] types = point.getExtensions();
definitions = new HashMap(types.length);
for (int i = 0; i < types.length; i++)
loadDefinitions(types[i]);
}
private void loadDefinitions(IExtension type) {
IConfigurationElement[] elements = type.getConfigurationElements();
for (int i = 0; i < elements.length; i++) {
IConfigurationElement element = elements[i];
String subscriberName = getSubscriberClassName(element);
if (subscriberName != null) {
definitions.put(getSubscriberClassName(element), createActions(element));
}
}
}
/**
* @param element
* @return
*/
private ContributedSubscriberAction[] createActions(IConfigurationElement element) {
IConfigurationElement[] children = element.getChildren();
List result = new ArrayList();
for (int i = 0; i < children.length; i++) {
IConfigurationElement actionDefinition = children[i];
ContributedSubscriberAction action = new ContributedSubscriberAction(getSyncView(), actionDefinition);
result.add(action);
}
return (ContributedSubscriberAction[]) result.toArray(new ContributedSubscriberAction[result.size()]);
}
/**
* @param extension
* @return
*/
private String getSubscriberClassName(IConfigurationElement element) {
return (String)element.getAttribute("subscriberClass"); //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.ui.actions.ActionGroup#fillContextMenu(org.eclipse.jface.action.IMenuManager)
*/
public void fillContextMenu(IMenuManager menu) {
super.fillContextMenu(menu);
if (actions == null || actions.length == 0) return;
menu.add(new Separator());
ISelection selection = getSyncView().getSelection();
for (int i = 0; i < actions.length; i++) {
ContributedSubscriberAction action = actions[i];
action.setActivePart(getSyncView().getSite().getPage().getActivePart());
action.setContext(getSubscriberContext());
action.selectionChanged(selection);
menu.add(action);
}
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ui.sync.actions.SyncViewerActionGroup#initializeActions()
*/
protected void initializeActions() {
super.initializeActions();
if(getSubscriberContext() != null) {
String className = getSubscriberContext().getSubscriber().getClass().getName();
actions = (ContributedSubscriberAction[])definitions.get(className);
}
}
}
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