/**
* Copyright (c) 2011 committers of YAKINDU 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:
* committers of YAKINDU - initial API and implementation
*/
package org.yakindu.sct.generator.builder.action;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.commands.IElementUpdater;
import org.eclipse.ui.menus.UIElement;
import org.yakindu.sct.generator.builder.nature.SCTNature;
/**
*
* @author andreas muelder - Initial contribution and API
*
*/
public class ToggleSCTNatureAction implements IObjectActionDelegate,
IElementUpdater {
private ISelection selection;
public void run(IAction action) {
if (selection instanceof IStructuredSelection) {
for (Iterator<?> it = ((IStructuredSelection) selection).iterator(); it
.hasNext();) {
Object element = it.next();
IProject project = null;
if (element instanceof IProject) {
project = (IProject) element;
} else if (element instanceof IAdaptable) {
project = (IProject) ((IAdaptable) element)
.getAdapter(IProject.class);
}
if (project != null) {
toggleNature(project);
}
}
}
}
public void selectionChanged(IAction action, ISelection selection) {
this.selection = selection;
}
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
}
public void toggleNature(IProject project) {
try {
IProjectDescription description = project.getDescription();
String[] natures = description.getNatureIds();
for (int i = 0; i < natures.length; ++i) {
if (SCTNature.NATURE_ID.equals(natures[i])) {
// Remove the nature
String[] newNatures = new String[natures.length - 1];
System.arraycopy(natures, 0, newNatures, 0, i);
System.arraycopy(natures, i + 1, newNatures, i,
natures.length - i - 1);
description.setNatureIds(newNatures);
project.setDescription(description, null);
return;
}
}
// Add the nature
String[] newNatures = new String[natures.length + 1];
System.arraycopy(natures, 0, newNatures, 0, natures.length);
newNatures[natures.length] = SCTNature.NATURE_ID;
description.setNatureIds(newNatures);
project.setDescription(description, null);
} catch (CoreException e) {
e.printStackTrace();
}
}
public void updateElement(UIElement element, @SuppressWarnings("rawtypes") Map parameters) {
}
}