plugins/org.eclipse.viatra2.visualisation/src/org/eclipse/viatra2/visualisation/patterns/actions/PatternProviderGroup.java

/*******************************************************************************
 * Copyright (c) 2009 Zoltan Ujhelyi and Daniel Varro.
 * 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:
 *    Zoltan Ujhelyi - initial API and implementation
 *******************************************************************************/
package org.eclipse.viatra2.visualisation.patterns.actions;

import java.util.Arrays;
import java.util.List;

import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.ui.actions.ActionGroup;
import org.eclipse.viatra2.visualisation.common.action.SelectProviderAction;
import org.eclipse.viatra2.visualisation.patterns.sources.PatternContentProvider;
import org.eclipse.viatra2.visualisation.patterns.sources.PatternFullProvider;
import org.eclipse.viatra2.visualisation.patterns.sources.PatternReducedProvider;

/**
 * A group of content providers for the model space visualisation. The group
 * manages the list of providers and their graphical display.
 * @author Zoltan Ujhelyi
 */
public class PatternProviderGroup extends ActionGroup {

	PatternReducedProvider reducedProvider = new PatternReducedProvider();
	PatternFullProvider fullProvider = new PatternFullProvider();
	List<? extends PatternContentProvider> providers = Arrays.asList(reducedProvider, fullProvider);

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.ui.actions.ActionGroup#fillContextMenu(org.eclipse.jface.
	 * action.IMenuManager)
	 */
	@Override
	public void fillContextMenu(IMenuManager manager) {
		IMenuManager menu = new MenuManager("Display Relations");
		manager.add(menu);
		SelectProviderAction reducedAction = new SelectProviderAction(
				"As Arcs", reducedProvider);
		menu.add(reducedAction);
		SelectProviderAction fullAction = new SelectProviderAction(
				"As Nodes", fullProvider);
		fullAction.setChecked(true);
		menu.add(fullAction);
	}

	/**
	 * Returns the list of content providers managed by the group.
	 * @return the providers
	 */
	public List<? extends PatternContentProvider> getProviders() {
		return providers;
	}
	
	/**
	 * Returns the default content provider from the group.
	 * @return the default content provider
	 */
	public PatternContentProvider getDefaultProvider() {
		return reducedProvider;
	}
}