/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package org.apache.easyant4e.natures;

import org.apache.easyant4e.Activator;
import org.apache.easyant4e.services.EasyantProjectService;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;

import com.google.inject.Inject;

//import com.google.inject.Inject;

/**
 * Add the EasyAnt nature to the project.
 * 
 * @author <a href="mailto:jerome@benois.fr">Jerome Benois</a>
 */
public class AddEasyAntNatureAction implements IObjectActionDelegate {
	
	// The selected project
	private IProject selectedProject;
	private EasyantProjectService easyantProjectService;

	public AddEasyAntNatureAction(){
		Activator.getEasyAntPlugin().injectMembers(this);
	}
	
	@Inject
	public void setEasyantProjectService(EasyantProjectService easyantProjectService) {
		this.easyantProjectService = easyantProjectService;
	}

	public void setActivePart(IAction action, IWorkbenchPart targetPart) {
	}

	public void run(IAction action) {
		if (selectedProject != null) {
			// Add the nature on the selected project
			easyantProjectService.addNature(selectedProject);
		}
	}

	public void selectionChanged(IAction action, ISelection selection) {
		if (selection instanceof StructuredSelection) {
			StructuredSelection structuredSelection = (StructuredSelection) selection;
			if (!structuredSelection.isEmpty() && structuredSelection.getFirstElement() instanceof IProject) {
				IProject project = (IProject) structuredSelection.getFirstElement();
				if (project.isAccessible()) {
					this.selectedProject = project;
					if (action != null) {
						action.setEnabled(!easyantProjectService.hasEasyAntNature(project));
					}
				}

			}
		}
	}
}