/*******************************************************************************
* Copyright (c) 2005, 2015 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.ui.internal.activities.ws;
import java.util.HashMap;
import java.util.Set;
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.core.runtime.dynamichelpers.ExtensionTracker;
import org.eclipse.core.runtime.dynamichelpers.IExtensionChangeHandler;
import org.eclipse.core.runtime.dynamichelpers.IExtensionTracker;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.activities.ITriggerPoint;
import org.eclipse.ui.activities.ITriggerPointManager;
import org.eclipse.ui.internal.activities.Persistence;
import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants;
/**
* Workbench implementation of the trigger point manager.
*
* @since 3.1
*/
public class TriggerPointManager implements ITriggerPointManager, IExtensionChangeHandler {
private HashMap triggerMap = new HashMap();
/**
*
*/
public TriggerPointManager() {
super();
triggerMap.put(ITriggerPointManager.UNKNOWN_TRIGGER_POINT_ID,
new AbstractTriggerPoint() {
@Override
public String getId() {
return ITriggerPointManager.UNKNOWN_TRIGGER_POINT_ID;
}
@Override
public String getStringHint(String key) {
if (ITriggerPoint.HINT_INTERACTIVE.equals(key)) {
// TODO: change to false when we have mapped our
// trigger points
return Boolean.TRUE.toString();
}
return null;
}
@Override
public boolean getBooleanHint(String key) {
if (ITriggerPoint.HINT_INTERACTIVE.equals(key)) {
// TODO: change to false when we have mapped our
// trigger points
return true;
}
return false;
}
});
IExtensionTracker tracker = PlatformUI.getWorkbench().getExtensionTracker();
tracker.registerHandler(this, ExtensionTracker.createExtensionPointFilter(getExtensionPointFilter()));
IExtensionPoint point = getExtensionPointFilter();
IExtension[] extensions = point.getExtensions();
for (IExtension extension : extensions) {
addExtension(tracker,
extension);
}
}
@Override
public ITriggerPoint getTriggerPoint(String id) {
return (ITriggerPoint) triggerMap.get(id);
}
@Override
public Set getDefinedTriggerPointIds() {
return triggerMap.entrySet();
}
@Override
public void removeExtension(IExtension extension, Object[] objects) {
for (Object object : objects) {
if (object instanceof RegistryTriggerPoint) {
triggerMap.remove(((RegistryTriggerPoint) object).getId());
}
}
}
@Override
public void addExtension(IExtensionTracker tracker, IExtension extension) {
IConfigurationElement[] elements = extension.getConfigurationElements();
for (IConfigurationElement element : elements) {
if (element.getName().equals(
IWorkbenchRegistryConstants.TAG_TRIGGERPOINT)) {
String id = element
.getAttribute(IWorkbenchRegistryConstants.ATT_ID);
if (id == null) {
Persistence.log(element, Persistence.ACTIVITY_TRIGGER_DESC, "missing a unique identifier"); //$NON-NLS-1$
continue;
}
RegistryTriggerPoint triggerPoint = new RegistryTriggerPoint(
id, element);
triggerMap.put(id, triggerPoint);
tracker.registerObject(extension, triggerPoint,
IExtensionTracker.REF_WEAK);
}
}
}
private IExtensionPoint getExtensionPointFilter() {
return Platform.getExtensionRegistry().getExtensionPoint(
PlatformUI.PLUGIN_ID, IWorkbenchRegistryConstants.PL_ACTIVITYSUPPORT);
}
}