bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/impl/DisposedCanvasContext.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 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.g2d.canvas.impl;\r
  13 \r
  14 import java.util.Collection;\r
  15 \r
  16 import org.simantics.g2d.canvas.ICanvasContext;\r
  17 import org.simantics.g2d.canvas.ICanvasParticipant;\r
  18 import org.simantics.g2d.canvas.IContentContext;\r
  19 import org.simantics.g2d.canvas.IMouseCaptureContext;\r
  20 import org.simantics.g2d.canvas.IMouseCursorContext;\r
  21 import org.simantics.g2d.chassis.ITooltipProvider;\r
  22 import org.simantics.scenegraph.g2d.G2DParentNode;\r
  23 import org.simantics.scenegraph.g2d.G2DSceneGraph;\r
  24 import org.simantics.scenegraph.g2d.events.IEventHandlerStack;\r
  25 import org.simantics.scenegraph.g2d.events.IEventQueue;\r
  26 import org.simantics.utils.datastructures.context.IContextListener;\r
  27 import org.simantics.utils.datastructures.disposable.DisposeState;\r
  28 import org.simantics.utils.datastructures.disposable.IDisposeListener;\r
  29 import org.simantics.utils.datastructures.hints.IHintContext;\r
  30 import org.simantics.utils.datastructures.hints.IHintStack;\r
  31 import org.simantics.utils.threads.IThreadWorkQueue;\r
  32 \r
  33 /**\r
  34  * A dummy implementation of ICanvasContext that is immediately marked disposed.\r
  35  * Can be used in situations where the disposedness of an ICanvasContext is used\r
  36  * for (transient) life-cycle management.\r
  37  * \r
  38  * @author Tuukka Lehtonen\r
  39  */\r
  40 public class DisposedCanvasContext implements ICanvasContext {\r
  41 \r
  42     public static final DisposedCanvasContext INSTANCE = new DisposedCanvasContext();\r
  43 \r
  44     @Override\r
  45     public G2DParentNode getCanvasNode() {\r
  46         throw new UnsupportedOperationException();\r
  47     }\r
  48 \r
  49     @Override\r
  50     public IContentContext getContentContext() {\r
  51         throw new UnsupportedOperationException();\r
  52     }\r
  53 \r
  54     @Override\r
  55     public IHintContext getDefaultHintContext() {\r
  56         throw new UnsupportedOperationException();\r
  57     }\r
  58 \r
  59     @Override\r
  60     public IEventHandlerStack getEventHandlerStack() {\r
  61         throw new UnsupportedOperationException();\r
  62     }\r
  63 \r
  64     @Override\r
  65     public IEventQueue getEventQueue() {\r
  66         throw new UnsupportedOperationException();\r
  67     }\r
  68 \r
  69     @Override\r
  70     public IHintStack getHintStack() {\r
  71         throw new UnsupportedOperationException();\r
  72     }\r
  73 \r
  74     @Override\r
  75     public IMouseCaptureContext getMouseCaptureContext() {\r
  76         throw new UnsupportedOperationException();\r
  77     }\r
  78 \r
  79     @Override\r
  80     public IMouseCursorContext getMouseCursorContext() {\r
  81         throw new UnsupportedOperationException();\r
  82     }\r
  83 \r
  84     @Override\r
  85     public G2DSceneGraph getSceneGraph() {\r
  86         throw new UnsupportedOperationException();\r
  87     }\r
  88 \r
  89     @Override\r
  90     public IThreadWorkQueue getThreadAccess() {\r
  91         throw new UnsupportedOperationException();\r
  92     }\r
  93 \r
  94     @Override\r
  95     public void setCanvasNode(G2DParentNode node) {\r
  96         throw new UnsupportedOperationException();\r
  97     }\r
  98 \r
  99     @Override\r
 100     public void setContentContext(IContentContext ctx) {\r
 101         throw new UnsupportedOperationException();\r
 102     }\r
 103 \r
 104     @Override\r
 105     public void setMouseCaptureContext(IMouseCaptureContext mctx) {\r
 106         throw new UnsupportedOperationException();\r
 107     }\r
 108 \r
 109     @Override\r
 110     public void setMouseCursorContext(IMouseCursorContext mctx) {\r
 111         throw new UnsupportedOperationException();\r
 112     }\r
 113 \r
 114     @Override\r
 115     public boolean isLocked() {\r
 116         return false;\r
 117     }\r
 118 \r
 119     @Override\r
 120     public void setLocked(boolean locked) {\r
 121     }\r
 122 \r
 123     @Override\r
 124     public void add(ICanvasParticipant item) {\r
 125         throw new UnsupportedOperationException();\r
 126     }\r
 127 \r
 128     @Override\r
 129     public void addContextListener(IContextListener<ICanvasParticipant> listener) {\r
 130         throw new UnsupportedOperationException();\r
 131     }\r
 132 \r
 133     @Override\r
 134     public void addContextListener(IThreadWorkQueue thread, IContextListener<ICanvasParticipant> listener) {\r
 135         throw new UnsupportedOperationException();\r
 136     }\r
 137 \r
 138     @Override\r
 139     public void clear() {\r
 140         throw new UnsupportedOperationException();\r
 141     }\r
 142 \r
 143     @Override\r
 144     public boolean contains(ICanvasParticipant item) {\r
 145         throw new UnsupportedOperationException();\r
 146     }\r
 147 \r
 148     @Override\r
 149     public <R> boolean containsItemByClass(Class<R> clazz) {\r
 150         throw new UnsupportedOperationException();\r
 151     }\r
 152 \r
 153     @Override\r
 154     public <R extends ICanvasParticipant> R getAtMostOneItemOfClass(Class<R> clazz) {\r
 155         throw new UnsupportedOperationException();\r
 156     }\r
 157 \r
 158     @Override\r
 159     public <R extends ICanvasParticipant> Collection<R> getItemsByClass(Class<R> clazz) {\r
 160         throw new UnsupportedOperationException();\r
 161     }\r
 162 \r
 163     @Override\r
 164     public <R extends ICanvasParticipant> R getSingleItem(Class<R> clazz) {\r
 165         throw new UnsupportedOperationException();\r
 166     }\r
 167 \r
 168     @Override\r
 169     public boolean remove(ICanvasParticipant item) {\r
 170         throw new UnsupportedOperationException();\r
 171     }\r
 172 \r
 173     @Override\r
 174     public void removeContextListener(IContextListener<ICanvasParticipant> listener) {\r
 175         throw new UnsupportedOperationException();\r
 176     }\r
 177 \r
 178     @Override\r
 179     public void removeContextListener(IThreadWorkQueue thread, IContextListener<ICanvasParticipant> listener) {\r
 180         throw new UnsupportedOperationException();\r
 181     }\r
 182 \r
 183     @Override\r
 184     public ICanvasParticipant[] toArray() {\r
 185         throw new UnsupportedOperationException();\r
 186     }\r
 187 \r
 188     @Override\r
 189     public void addDisposeListener(IDisposeListener listener) {\r
 190         throw new UnsupportedOperationException();\r
 191     }\r
 192 \r
 193     @Override\r
 194     public void addDisposeListener(IDisposeListener listener, IThreadWorkQueue thread) {\r
 195         throw new UnsupportedOperationException();\r
 196     }\r
 197 \r
 198     @Override\r
 199     public void dispose() {\r
 200         throw new UnsupportedOperationException();\r
 201     }\r
 202 \r
 203     @Override\r
 204     public DisposeState getDisposeState() {\r
 205         return DisposeState.Disposed;\r
 206     }\r
 207 \r
 208     @Override\r
 209     public boolean isDisposed() {\r
 210         return true;\r
 211     }\r
 212 \r
 213     @Override\r
 214     public void removeDisposeListener(IDisposeListener listener) {\r
 215         throw new UnsupportedOperationException();\r
 216     }\r
 217 \r
 218     @Override\r
 219     public void removeDisposeListener(IDisposeListener listener, IThreadWorkQueue thread) {\r
 220         throw new UnsupportedOperationException();\r
 221     }\r
 222 \r
 223     @Override\r
 224     public void safeDispose() {\r
 225         throw new UnsupportedOperationException();\r
 226     }\r
 227 \r
 228         @Override\r
 229         public ITooltipProvider getTooltipProvider() {\r
 230         throw new UnsupportedOperationException();\r
 231         }\r
 232 \r
 233         @Override\r
 234         public void setTooltipProvider(ITooltipProvider tooltipProvider) {\r
 235         throw new UnsupportedOperationException();\r
 236         }\r
 237 \r
 238 }\r