/******************************************************************************* * 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 java.util.Collection; import org.simantics.g2d.canvas.ICanvasContext; import org.simantics.g2d.canvas.ICanvasParticipant; import org.simantics.g2d.canvas.IContentContext; import org.simantics.g2d.canvas.IMouseCaptureContext; import org.simantics.g2d.canvas.IMouseCursorContext; import org.simantics.g2d.chassis.ITooltipProvider; import org.simantics.scenegraph.g2d.G2DParentNode; import org.simantics.scenegraph.g2d.G2DSceneGraph; import org.simantics.scenegraph.g2d.events.IEventHandlerStack; import org.simantics.scenegraph.g2d.events.IEventQueue; import org.simantics.utils.datastructures.context.IContextListener; import org.simantics.utils.datastructures.disposable.DisposeState; import org.simantics.utils.datastructures.disposable.IDisposeListener; import org.simantics.utils.datastructures.hints.IHintContext; import org.simantics.utils.datastructures.hints.IHintStack; import org.simantics.utils.threads.IThreadWorkQueue; /** * A dummy implementation of ICanvasContext that is immediately marked disposed. * Can be used in situations where the disposedness of an ICanvasContext is used * for (transient) life-cycle management. * * @author Tuukka Lehtonen */ public class DisposedCanvasContext implements ICanvasContext { public static final DisposedCanvasContext INSTANCE = new DisposedCanvasContext(); @Override public G2DParentNode getCanvasNode() { throw new UnsupportedOperationException(); } @Override public IContentContext getContentContext() { throw new UnsupportedOperationException(); } @Override public IHintContext getDefaultHintContext() { throw new UnsupportedOperationException(); } @Override public IEventHandlerStack getEventHandlerStack() { throw new UnsupportedOperationException(); } @Override public IEventQueue getEventQueue() { throw new UnsupportedOperationException(); } @Override public IHintStack getHintStack() { throw new UnsupportedOperationException(); } @Override public IMouseCaptureContext getMouseCaptureContext() { throw new UnsupportedOperationException(); } @Override public IMouseCursorContext getMouseCursorContext() { throw new UnsupportedOperationException(); } @Override public G2DSceneGraph getSceneGraph() { throw new UnsupportedOperationException(); } @Override public IThreadWorkQueue getThreadAccess() { throw new UnsupportedOperationException(); } @Override public void setCanvasNode(G2DParentNode node) { throw new UnsupportedOperationException(); } @Override public void setContentContext(IContentContext ctx) { throw new UnsupportedOperationException(); } @Override public void setMouseCaptureContext(IMouseCaptureContext mctx) { throw new UnsupportedOperationException(); } @Override public void setMouseCursorContext(IMouseCursorContext mctx) { throw new UnsupportedOperationException(); } @Override public boolean isLocked() { return false; } @Override public void setLocked(boolean locked) { } @Override public void add(ICanvasParticipant item) { throw new UnsupportedOperationException(); } @Override public void addContextListener(IContextListener listener) { throw new UnsupportedOperationException(); } @Override public void addContextListener(IThreadWorkQueue thread, IContextListener listener) { throw new UnsupportedOperationException(); } @Override public void clear() { throw new UnsupportedOperationException(); } @Override public boolean contains(ICanvasParticipant item) { throw new UnsupportedOperationException(); } @Override public boolean containsItemByClass(Class clazz) { throw new UnsupportedOperationException(); } @Override public R getAtMostOneItemOfClass(Class clazz) { throw new UnsupportedOperationException(); } @Override public Collection getItemsByClass(Class clazz) { throw new UnsupportedOperationException(); } @Override public R getSingleItem(Class clazz) { throw new UnsupportedOperationException(); } @Override public boolean remove(ICanvasParticipant item) { throw new UnsupportedOperationException(); } @Override public void removeContextListener(IContextListener listener) { throw new UnsupportedOperationException(); } @Override public void removeContextListener(IThreadWorkQueue thread, IContextListener listener) { throw new UnsupportedOperationException(); } @Override public ICanvasParticipant[] toArray() { throw new UnsupportedOperationException(); } @Override public void addDisposeListener(IDisposeListener listener) { throw new UnsupportedOperationException(); } @Override public void addDisposeListener(IDisposeListener listener, IThreadWorkQueue thread) { throw new UnsupportedOperationException(); } @Override public void dispose() { throw new UnsupportedOperationException(); } @Override public DisposeState getDisposeState() { return DisposeState.Disposed; } @Override public boolean isDisposed() { return true; } @Override public void removeDisposeListener(IDisposeListener listener) { throw new UnsupportedOperationException(); } @Override public void removeDisposeListener(IDisposeListener listener, IThreadWorkQueue thread) { throw new UnsupportedOperationException(); } @Override public void safeDispose() { throw new UnsupportedOperationException(); } @Override public ITooltipProvider getTooltipProvider() { throw new UnsupportedOperationException(); } @Override public void setTooltipProvider(ITooltipProvider tooltipProvider) { throw new UnsupportedOperationException(); } }