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// **********************************************************************
//
// Copyright (c) 2003-2012 ZeroC, Inc. All rights reserved.
//
// This plug-in is provided to you under the terms and conditions
// of the Eclipse Public License Version 1.0 ("EPL"). A copy of
// the EPL is available at http://www.eclipse.org/legal/epl-v10.html.
//
// **********************************************************************
package com.zeroc.slice2javaplugin.builder;
import java.util.Iterator;
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 com.zeroc.slice2javaplugin.internal.Configuration;
public class ToggleNatureAction implements IObjectActionDelegate
{
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
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);
}
}
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action
* .IAction, org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection)
{
this._selection = selection;
//action.setEnabled(false);
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.ui.IObjectActionDelegate#setActivePart(org.eclipse.jface.
* action.IAction, org.eclipse.ui.IWorkbenchPart)
*/
public void setActivePart(IAction action, IWorkbenchPart targetPart)
{
//action.setEnabled(false);
}
/**
* Toggles sample nature on a project
*
* @param project
* to have sample nature added or removed
*/
private void toggleNature(IProject project)
{
try
{
IProjectDescription description = project.getDescription();
String[] natures = description.getNatureIds();
for(int i = 0; i < natures.length; ++i)
{
if(Slice2JavaNature.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);
Configuration c = new Configuration(project);
c.deinstall();
return;
}
}
// Add the nature
String[] newNatures = new String[natures.length + 1];
System.arraycopy(natures, 0, newNatures, 0, natures.length);
newNatures[natures.length] = Slice2JavaNature.NATURE_ID;
description.setNatureIds(newNatures);
project.setDescription(description, null);
}
catch(CoreException e)
{
}
}
private ISelection _selection;
}
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