-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.g2d.canvas.impl;\r
-\r
-import org.simantics.g2d.canvas.IMouseCaptureHandle;\r
-import org.simantics.g2d.canvas.IMouseCaptureHandleListener;\r
-import org.simantics.utils.datastructures.ListenerList;\r
-\r
-/**\r
- * @author Toni Kalajainen\r
- */\r
-public class MouseCaptureHandle implements IMouseCaptureHandle {\r
-\r
- boolean released = false;\r
- final int mouseId;\r
- ListenerList<IMouseCaptureHandleListener> listeners;\r
-\r
- public MouseCaptureHandle(int mouseId) \r
- {\r
- this.mouseId = mouseId;\r
- }\r
- \r
- @Override\r
- public int mouseId() {\r
- return mouseId;\r
- }\r
-\r
- @Override\r
- public void release() {\r
- synchronized(this) {\r
- if (released) return;\r
- released = true;\r
- }\r
- fireOnReleased();\r
- }\r
-\r
- void fireOnReleased() {\r
- ListenerList<IMouseCaptureHandleListener> lis;\r
- synchronized(this) {\r
- lis = listeners;\r
- if (lis==null) return;\r
- }\r
- \r
- for (IMouseCaptureHandleListener l : lis.getListeners())\r
- l.onCaptureReleased(this);\r
- }\r
-\r
- @Override\r
- public void removeMouseCaptureHandleListener(IMouseCaptureHandleListener listener) { \r
- if (listeners == null) return;\r
- listeners.remove(listener);\r
- }\r
-\r
- @Override\r
- public synchronized void addMouseCaptureHandleListener(IMouseCaptureHandleListener listener) {\r
- if (listeners == null) {\r
- listeners = new ListenerList<IMouseCaptureHandleListener>(IMouseCaptureHandleListener.class);\r
- }\r
- listeners.add(listener);\r
- }\r
- \r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.g2d.canvas.impl;
+
+import org.simantics.g2d.canvas.IMouseCaptureHandle;
+import org.simantics.g2d.canvas.IMouseCaptureHandleListener;
+import org.simantics.utils.datastructures.ListenerList;
+
+/**
+ * @author Toni Kalajainen
+ */
+public class MouseCaptureHandle implements IMouseCaptureHandle {
+
+ boolean released = false;
+ final int mouseId;
+ ListenerList<IMouseCaptureHandleListener> listeners;
+
+ public MouseCaptureHandle(int mouseId)
+ {
+ this.mouseId = mouseId;
+ }
+
+ @Override
+ public int mouseId() {
+ return mouseId;
+ }
+
+ @Override
+ public void release() {
+ synchronized(this) {
+ if (released) return;
+ released = true;
+ }
+ fireOnReleased();
+ }
+
+ void fireOnReleased() {
+ ListenerList<IMouseCaptureHandleListener> lis;
+ synchronized(this) {
+ lis = listeners;
+ if (lis==null) return;
+ }
+
+ for (IMouseCaptureHandleListener l : lis.getListeners())
+ l.onCaptureReleased(this);
+ }
+
+ @Override
+ public void removeMouseCaptureHandleListener(IMouseCaptureHandleListener listener) {
+ if (listeners == null) return;
+ listeners.remove(listener);
+ }
+
+ @Override
+ public synchronized void addMouseCaptureHandleListener(IMouseCaptureHandleListener listener) {
+ if (listeners == null) {
+ listeners = new ListenerList<IMouseCaptureHandleListener>(IMouseCaptureHandleListener.class);
+ }
+ listeners.add(listener);
+ }
+
+}