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/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.common.ui.internal.actions;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExecutableExtension;
import org.eclipse.help.HelpSystem;
import org.eclipse.help.IContext;
import org.eclipse.help.IHelpResource;
import org.eclipse.jface.action.Action;
import org.eclipse.ui.PlatformUI;
/**
* This class is used to open the help page for a configuration param.
*
* @author mengbo
*/
public class LoadHelpAction extends Action implements IExecutableExtension {
private String _helpContextId = null;
/**
*
*/
public LoadHelpAction() {
super();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.IAction#run()
*/
public void run() {
IContext context = HelpSystem.getContext(_helpContextId);
if (context != null) {
IHelpResource[] topics = context.getRelatedTopics();
if (topics != null && topics.length == 1) {
PlatformUI.getWorkbench().getHelpSystem().displayHelpResource(
topics[0].getHref());
} else {
PlatformUI.getWorkbench().getHelpSystem().displayHelp(
_helpContextId);
}
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.runtime.IExecutableExtension#setInitializationData(org.eclipse.core.runtime.IConfigurationElement,
* java.lang.String, java.lang.Object)
*/
public void setInitializationData(IConfigurationElement config,
String propertyName, Object data) throws CoreException {
_helpContextId = config.getAttribute("actionparameters"); //$NON-NLS-1$
}
/**
* set the help reference to open.
*
* @param href
*/
public void setContextId(String href) {
_helpContextId = href;
}
protected String getContextId() {
return _helpContextId;
}
}
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