plugins/org.eclipse.viatra2.editor.text/src/org/eclipse/viatra2/editor/text/light/VTCLActionbarContributor.java

/*******************************************************************************
 * Copyright (c) 2004-2008 Istvan Rath 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:
 *    Istvan Rath - initial API and implementation
 *******************************************************************************/

 package org.eclipse.viatra2.editor.text.light;

import org.eclipse.viatra2.editor.text.Activator;
import org.eclipse.viatra2.editor.text.light.vtcl.ParseVTCLAction;

import java.util.HashMap;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuCreator;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.ui.texteditor.BasicTextEditorActionContributor;
import org.eclipse.viatra2.framework.FrameworkManager;

public class VTCLActionbarContributor extends BasicTextEditorActionContributor
{

	protected HashMap<String, ParseVTCLAction> actions;
		
	public VTCLActionbarContributor() {
		super();
		actions = new HashMap<String, ParseVTCLAction>();
	}

	public void updateActions(VTCLEditor ed)
	{
		for (String id : FrameworkManager.getInstance().getAllFrameWorks())
		{
			if (actions.get(id)==null)
				actions.put(id, new ParseVTCLAction(id).updateSelf(ed));
			else
				actions.get(id).updateSelf(ed);
		}
	}
	
	@Override
	public void contributeToToolBar(IToolBarManager toolBarManager) {
		super.contributeToToolBar(toolBarManager);
//		String[] fwids = FrameworkManager.getInstance().getAllFrameWorks();
//		if (fwids.length>1)
//		{
			Action a = new Action("Parse / Select framework",IAction.AS_DROP_DOWN_MENU)
			{
				@Override
				public void run() {}
			};
			a.setImageDescriptor(Activator.getImageDescriptor("icons/parse.png"));
			a.setToolTipText("Use Alt+P for parsing the current file into the first framework");
			a.setMenuCreator(new IMenuCreator()
			{
				public void dispose() {}
	
				public Menu getMenu(Control parent) {
					Menu m = new Menu(parent);
					return fillMenu(m);
				}
	
				public Menu getMenu(Menu parent) {
					Menu m = new Menu(parent);
					return fillMenu(m);
				}
				
				private Menu fillMenu(Menu m)
				{
					for (String id : FrameworkManager.getInstance().getAllFrameWorks())
					{
						MenuItem item = new MenuItem(m,SWT.NONE);
						item.setText(id);
						item.setData(actions.get(id));
						item.addSelectionListener(new SelectionListener()
						{
							public void widgetSelected(SelectionEvent ev)
							{
								((ParseVTCLAction)ev.widget.getData()).run();
							}

							public void widgetDefaultSelected(SelectionEvent ev) {
								((ParseVTCLAction)ev.widget.getData()).run();
							}
						});
					}
					return m;
				}
				
			});
			toolBarManager.add(a);
//		}
//		else
//		{
//			if (fwids.length==1)
//				toolBarManager.add(actions.get(FrameworkManager.getInstance().getAllFrameWorks()[0]));
//		}
		
	}
}