/*******************************************************************************
 * Copyright 2017 Capital One Services, LLC and Bitwise, Inc.
 * Licensed 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 hydrograph.ui.menus.handlers;

import hydrograph.ui.graph.editor.ELTGraphicalEditor;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.jdt.internal.ui.refactoring.reorg.DeleteAction;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.navigator.CommonNavigator;


/**
 * The Class DeleteHandler.
 * <p>
 * Handler to delete component on canvas and Project Explorer
 * 
 * @author Bitwise
 */
public class DeleteHandler extends AbstractHandler implements IHandler{

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		IWorkbenchPart part = HandlerUtil.getActivePart(event);
		if(part instanceof CommonNavigator){
			DeleteAction action=new DeleteAction(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActivePart().getSite());
			action.run();
		}
		
		else if (part instanceof ELTGraphicalEditor) {
			IEditorPart editor = HandlerUtil.getActiveEditor(event);
			((ELTGraphicalEditor) editor).deleteSelection();
			((ELTGraphicalEditor) editor).hideToolTip();
		}
		return null;
	}
}