/*******************************************************************************
* Copyright (c) 2009, 2011 Red Hat Inc..
* 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:
* Red Hat Incorporated - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.autotools.ui.actions;
import java.util.Collection;
import org.eclipse.cdt.core.model.ICContainer;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;
public abstract class AbstractAutotoolsHandler extends AbstractHandler {
protected Object execute(ExecutionEvent event, InvokeAction a) throws ExecutionException {
ISelection k = HandlerUtil.getCurrentSelection(event);
if (!k.isEmpty() && k instanceof IStructuredSelection) {
Object obj = ((IStructuredSelection)k).getFirstElement();
IContainer container = getContainer(obj);
if (container != null) {
a.setSelectedContainer(container);
a.run(null);
}
}
return null;
}
@SuppressWarnings("unchecked")
protected IContainer getContainer(Object obj) {
IContainer fContainer = null;
if (obj instanceof Collection) {
Collection<Object> c = (Collection<Object>)obj;
Object[] objArray = c.toArray();
if (objArray.length > 0)
obj = objArray[0];
}
if (obj instanceof ICElement) {
if ( obj instanceof ICContainer || obj instanceof ICProject) {
fContainer = (IContainer) ((ICElement) obj).getUnderlyingResource();
} else {
obj = ((ICElement)obj).getResource();
if ( obj != null) {
fContainer = ((IResource)obj).getParent();
}
}
} else if (obj instanceof IResource) {
if (obj instanceof IContainer) {
fContainer = (IContainer) obj;
} else {
fContainer = ((IResource)obj).getParent();
}
} else {
fContainer = null;
}
return fContainer;
}
}