1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.diagram.ui;
14 import org.eclipse.core.expressions.PropertyTester;
15 import org.eclipse.ui.IEditorPart;
16 import org.simantics.g2d.canvas.Hints;
17 import org.simantics.g2d.canvas.ICanvasContext;
18 import org.simantics.g2d.canvas.IToolMode;
19 import org.simantics.utils.datastructures.hints.IHintContext;
22 * An Eclipse property tester for canvas editor tool mode.
24 * @author Tuukka Lehtonen
26 public class ToolPropertyTester extends PropertyTester {
28 private static final String MODE = "mode";
31 public boolean test(Object receiver, final String property, final Object[] args, final Object expectedValue) {
32 if (!(receiver instanceof IEditorPart))
34 IEditorPart editor = (IEditorPart) receiver;
36 if (MODE.equals(property)) {
37 ICanvasContext ctx = (ICanvasContext) editor.getAdapter(ICanvasContext.class);
41 IHintContext hints = ctx.getDefaultHintContext();
42 IToolMode toolMode = hints.getHint(Hints.KEY_TOOL);
43 if (toolMode != null) {
44 return toolMode.getId().equals(expectedValue);