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