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.g2d.canvas.impl;
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14 import org.simantics.g2d.canvas.IMouseCaptureHandle;
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15 import org.simantics.g2d.canvas.IMouseCaptureHandleListener;
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16 import org.simantics.utils.datastructures.ListenerList;
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19 * @author Toni Kalajainen
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21 public class MouseCaptureHandle implements IMouseCaptureHandle {
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23 boolean released = false;
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25 ListenerList<IMouseCaptureHandleListener> listeners;
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27 public MouseCaptureHandle(int mouseId)
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29 this.mouseId = mouseId;
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33 public int mouseId() {
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38 public void release() {
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39 synchronized(this) {
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40 if (released) return;
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46 void fireOnReleased() {
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47 ListenerList<IMouseCaptureHandleListener> lis;
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48 synchronized(this) {
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50 if (lis==null) return;
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53 for (IMouseCaptureHandleListener l : lis.getListeners())
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54 l.onCaptureReleased(this);
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58 public void removeMouseCaptureHandleListener(IMouseCaptureHandleListener listener) {
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59 if (listeners == null) return;
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60 listeners.remove(listener);
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64 public synchronized void addMouseCaptureHandleListener(IMouseCaptureHandleListener listener) {
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65 if (listeners == null) {
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66 listeners = new ListenerList<IMouseCaptureHandleListener>(IMouseCaptureHandleListener.class);
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68 listeners.add(listener);
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