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[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / elements / TextEditActivation.java
1 /*******************************************************************************\r
2  * Copyright (c) 2007, 2013 Association for Decentralized Information Management\r
3  * in Industry THTH ry.\r
4  * All rights reserved. This program and the accompanying materials\r
5  * are made available under the terms of the Eclipse Public License v1.0\r
6  * which accompanies this distribution, and is available at\r
7  * http://www.eclipse.org/legal/epl-v10.html\r
8  *\r
9  * Contributors:\r
10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.diagram.elements;\r
13 \r
14 import org.simantics.diagram.participant.ContextUtil;\r
15 import org.simantics.diagram.participant.DiagramCommandBindings;\r
16 import org.simantics.g2d.canvas.ICanvasContext;\r
17 import org.simantics.g2d.canvas.IMouseCaptureHandle;\r
18 import org.simantics.g2d.diagram.participant.ElementInteractor;\r
19 import org.simantics.g2d.element.IElement;\r
20 \r
21 /**\r
22  * @author Tuukka Lehtonen\r
23  */\r
24 public class TextEditActivation {\r
25 \r
26     IMouseCaptureHandle capture;\r
27     ContextUtil         ctxUtil;\r
28     \r
29     public static final String DEFAULT_INLINE_EDIT_CONTEXT = "org.simantics.modeling.ui.diagramming.inlineEdit";\r
30 \r
31 \r
32     public TextEditActivation(int mouseId, IElement e, ICanvasContext ctx) {\r
33         ElementInteractor ei = ctx.getSingleItem(ElementInteractor.class);\r
34         this.ctxUtil = ctx.getAtMostOneItemOfClass(ContextUtil.class);\r
35 \r
36         // Capture mouse events (otherwise we would not get mouse events when the cursor is outside the text widget)\r
37         this.capture = ei.captureMouse(e, mouseId);\r
38 \r
39         if(ctxUtil != null)\r
40             DiagramCommandBindings.activateBindings(ctxUtil, DEFAULT_INLINE_EDIT_CONTEXT);\r
41 \r
42     }\r
43 \r
44     public void release() {\r
45         if (capture != null) {\r
46             capture.release();\r
47             capture = null;\r
48         }\r
49         if (ctxUtil != null) {\r
50             DiagramCommandBindings.deactivateBindings(ctxUtil, DEFAULT_INLINE_EDIT_CONTEXT);\r
51             ctxUtil = null;\r
52         }\r
53     }\r
54 \r
55 }\r