/*******************************************************************************
* Copyright (c) 2000, 2008 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.pde.internal.ui.search;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.pde.internal.core.ischema.ISchema;
import org.eclipse.pde.internal.core.schema.SchemaDescriptor;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
public class PreviewReferenceAction implements IObjectActionDelegate {
private IFile fFile;
private ShowDescriptionAction fDelegate;
/**
* @see org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.action.IAction, org.eclipse.ui.IWorkbenchPart)
*/
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
}
/**
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
if (fFile == null)
return;
SchemaDescriptor sd = new SchemaDescriptor(fFile, false);
ISchema schema = sd.getSchema(false);
if (fDelegate == null) {
fDelegate = new ShowDescriptionAction(schema);
} else
fDelegate.setSchema(schema);
fDelegate.run();
}
/**
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection) {
fFile = null;
if (selection instanceof IStructuredSelection) {
Object obj = ((IStructuredSelection) selection).getFirstElement();
if (obj instanceof IFile)
fFile = (IFile) obj;
}
}
}
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