/**
 * Copyright (c) 2011, 2014 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0 
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors: 
 * 		Florian Pirchner - Initial implementation
 */
package org.eclipse.osbp.vaaclipse.addons.problems.handler;

import org.eclipse.e4.core.contexts.Active;
import org.eclipse.e4.core.di.annotations.CanExecute;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.ui.model.application.ui.MContext;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.e4.ui.model.application.ui.menu.MItem;
import org.eclipse.osbp.vaaclipse.addons.problems.views.ProblemsView;
import org.eclipse.osbp.vaaclipse.addons.problems.views.ProblemsView.Mode;

/**
 * The Class ShowAllMessagesHandler.
 */
public class ShowAllMessagesHandler {

	/**
	 * Execute.
	 *
	 * @param context
	 *            the context
	 * @param part
	 *            the part
	 * @param item
	 *            the item
	 */
	@Execute
	public void execute(@Active MContext context, @Active MPart part,
			@Active MItem item) {

		ProblemsView view = (ProblemsView) part.getObject();
		view.setMode(toMode(item));
	}

	/**
	 * To mode.
	 *
	 * @param item
	 *            the item
	 * @return the mode
	 */
	private Mode toMode(MItem item) {
		if (item.isSelected()) {
			return Mode.SHOW_ALL;
		} else {
			return Mode.FOLLOW_ACTIVE_PART;
		}
	}

	/**
	 * Can execute.
	 *
	 * @param item
	 *            the item
	 * @return true, if successful
	 */
	@CanExecute
	public boolean canExecute(@Active MItem item) {
		return true;
	}
}