/*******************************************************************************
* Copyright (c) 2013, 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
* Lars Vogel <Lars.Vogel@vogella.com> - Bug 446965
******************************************************************************/
package org.eclipse.ui.internal.ide.handlers;
import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.Adapters;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
/**
* Test the active part to see if:
* <ol>
* <li>The part is an editor</li>
* <li>It has a valid editor input</li>
* <li>The editor input adapts to an IResource</li>
* </ol>
*
* @since 3.9.100
*/
public class EditorInputPropertyTester extends PropertyTester {
@Override
public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
if (!(receiver instanceof IEditorPart)) {
return false;
}
IEditorPart editor = (IEditorPart) receiver;
IEditorInput input = editor.getEditorInput();
if (input instanceof IFileEditorInput) {
return true;
}
if (input == null) {
IDEWorkbenchPlugin
.log("IEditorPart (" + editor.getClass() + ") passed in without IEditorInput set.", new NullPointerException()); //$NON-NLS-1$ //$NON-NLS-2$
return false;
}
Object obj = Adapters.adapt(input, IResource.class);
return obj != null;
}
}