-/*******************************************************************************\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
+/*******************************************************************************
+ * 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.scenegraph.g2d;
-import java.awt.Component;\r
-import java.awt.Container;\r
-import java.awt.Graphics2D;\r
-import java.util.ArrayDeque;\r
-import java.util.Deque;\r
-import java.util.HashMap;\r
-import java.util.HashSet;\r
-import java.util.Map;\r
-import java.util.Set;\r
-import java.util.logging.Level;\r
-import java.util.logging.Logger;\r
-\r
-import javax.swing.JComponent;\r
-import javax.swing.RepaintManager;\r
-\r
-import org.simantics.scenegraph.ILookupService;\r
-import org.simantics.scenegraph.INode;\r
-import org.simantics.scenegraph.LookupService;\r
-import org.simantics.scenegraph.ParentNode;\r
-import org.simantics.scenegraph.g2d.events.EventDelegator;\r
-import org.simantics.scenegraph.g2d.events.INodeEventHandlerProvider;\r
-import org.simantics.scenegraph.g2d.events.NodeEventHandler;\r
-\r
-/**\r
- * The root node of a 2D scene graph.\r
- * \r
- * Implements {@link ILookupService} according to the reference implementation\r
- * {@link LookupService}.\r
- * \r
- * @author J-P Laine\r
- */\r
-@SuppressWarnings("deprecation")\r
-public class G2DSceneGraph extends G2DParentNode implements ILookupService, INodeEventHandlerProvider {\r
-\r
- private static final long serialVersionUID = -7066146333849901429L;\r
- \r
- public static final String IGNORE_FOCUS = "ignoreFocus";\r
-\r
- protected transient Container rootPane = null;\r
- // TODO: swing dependency in here might not be a good idea\r
-
- // This variable is actually used in remote use, when rendering is not performed locally\r
- private transient final Object treeLock = new Object();\r
-\r
- private HashMap<Object, Integer> pending = new HashMap<Object, Integer>();\r
- private HashMap<String, Object> globalProperties = new HashMap<String, Object>();\r
-\r
- /**\r
- * For preventing duplicates on the nodesToRemove queue.\r
- */\r
- protected transient Set<INode> nodesToRemoveSet = new HashSet<INode>();\r
- protected Deque<INode> nodesToRemove = new ArrayDeque<INode>();\r
-\r
- private transient EventDelegator eventDelegator = new EventDelegator(this);\r
- private transient NodeEventHandler eventHandler = new NodeEventHandler(this);\r
-\r
- /**\r
- * The node that has input focus in the scene graph. The input node will\r
- * receive key and command events.\r
- */\r
- private transient IG2DNode focusNode;\r
-\r
- /**\r
- * The custom repaint manager of this scene graph.\r
- */\r
- private transient G2DRepaintManager repaintManager;\r
-\r
- /**\r
- * Returns the event delegator, that is responsible for delegating events to nodes in the sg tree\r
- * \r
- * @return EventDelegator instance, always not null\r
- */\r
- public EventDelegator getEventDelegator() {\r
- return eventDelegator;\r
- }\r
-\r
- /**\r
- * Returns the node event handler, that is responsible for delegating events\r
- * to nodes in the sg tree.\r
- * \r
- * @return NodeEventHandler instance for this scene graph, always non-null\r
- */\r
- public NodeEventHandler getEventHandler() {\r
- return eventHandler;\r
- }\r
-\r
- public void setFocusNode(IG2DNode focusNode) {\r
- this.focusNode = focusNode;\r
- }\r
-\r
- public IG2DNode getFocusNode() {\r
- return focusNode;\r
- }\r
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.Graphics2D;
+import java.util.ArrayDeque;
+import java.util.Deque;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
- @Override
+import javax.swing.JComponent;
+import javax.swing.RepaintManager;
+
+import org.simantics.scenegraph.ILookupService;
+import org.simantics.scenegraph.INode;
+import org.simantics.scenegraph.LookupService;
+import org.simantics.scenegraph.ParentNode;
+import org.simantics.scenegraph.g2d.events.EventDelegator;
+import org.simantics.scenegraph.g2d.events.INodeEventHandlerProvider;
+import org.simantics.scenegraph.g2d.events.NodeEventHandler;
+
+/**
+ * The root node of a 2D scene graph.
+ *
+ * Implements {@link ILookupService} according to the reference implementation
+ * {@link LookupService}.
+ *
+ * @author J-P Laine
+ */
+@SuppressWarnings("deprecation")
+public class G2DSceneGraph extends G2DParentNode implements ILookupService, INodeEventHandlerProvider {
+
+ private static final long serialVersionUID = -7066146333849901429L;
+
+ public static final String IGNORE_FOCUS = "ignoreFocus";
+ public static final String PICK_DISTANCE = "pickDistance";
+
+ protected transient Container rootPane = null;
+ // TODO: swing dependency in here might not be a good idea
+
+ // This variable is actually used in remote use, when rendering is not performed locally
+ private transient final Object treeLock = new Object();
+
+ private HashMap<Object, Integer> pending = new HashMap<Object, Integer>();
+ private HashMap<String, Object> globalProperties = new HashMap<String, Object>();
+
+ /**
+ * For preventing duplicates on the nodesToRemove queue.
+ */
+ protected transient Set<INode> nodesToRemoveSet = new HashSet<INode>();
+ protected Deque<INode> nodesToRemove = new ArrayDeque<INode>();
+
+ private transient EventDelegator eventDelegator = new EventDelegator(this);
+ private transient NodeEventHandler eventHandler = new NodeEventHandler(this);
+
+ /**
+ * The node that has input focus in the scene graph. The input node will
+ * receive key and command events.
+ */
+ private transient IG2DNode focusNode;
+
+ /**
+ * The custom repaint manager of this scene graph.
+ */
+ private transient G2DRepaintManager repaintManager;
+
+ /**
+ * Returns the event delegator, that is responsible for delegating events to nodes in the sg tree
+ *
+ * @return EventDelegator instance, always not null
+ */
+ public EventDelegator getEventDelegator() {
+ return eventDelegator;
+ }
+
+ /**
+ * Returns the node event handler, that is responsible for delegating events
+ * to nodes in the sg tree.
+ *
+ * @return NodeEventHandler instance for this scene graph, always non-null
+ */
+ public NodeEventHandler getEventHandler() {
+ return eventHandler;
+ }
+
+ public void setFocusNode(IG2DNode focusNode) {
+ this.focusNode = focusNode;
+ }
+
+ public IG2DNode getFocusNode() {
+ return focusNode;
+ }
+
+ @Override
public void render(Graphics2D g2d) {
- performCleanup();\r
- Component rootPane = getRootPane();\r
- if (rootPane != null)\r
- g2d.setRenderingHint(G2DRenderingHints.KEY_COMPONENT, rootPane);\r
+ refresh();
+ Component rootPane = getRootPane();
+ if (rootPane != null)
+ g2d.setRenderingHint(G2DRenderingHints.KEY_COMPONENT, rootPane);
synchronized(treeLock) {
super.render(g2d);
}
- }\r
-\r
- /**\r
- * Util method for executing updates to scenegraph tree\r
- * NOTE: You should really consider performance issues when using this\r
- * \r
- * @param r Runnable to be executed while rendering is not performed\r
- */\r
- public void syncExec(Runnable r) {\r
- synchronized(treeLock) {\r
- r.run();\r
- }\r
}
-\r
- /**\r
- * Set rootpane for swing components. This is used as parent for the components created by ComponentNode.\r
- * \r
- * @param rootPane Component that is used as a parent for the swing component (This shouldn't be visible)\r
+
+ @Override
+ public void refresh() {
+ performCleanup();
+ super.refresh();
+ }
+
+ /**
+ * Util method for executing updates to scenegraph tree
+ * NOTE: You should really consider performance issues when using this
+ *
+ * @param r Runnable to be executed while rendering is not performed
+ */
+ public void syncExec(Runnable r) {
+ synchronized(treeLock) {
+ r.run();
+ }
+ }
+
+ /**
+ * Set rootpane for swing components. This is used as parent for the components created by ComponentNode.
+ *
+ * @param rootPane Component that is used as a parent for the swing component (This shouldn't be visible)
*/
public void setRootPane(JComponent rootPane) {
- synchronized (RepaintManager.class) {\r
+ synchronized (RepaintManager.class) {
RepaintManager old = RepaintManager.currentManager(rootPane);
- old = findProperRepaintManager(old);\r
- this.repaintManager = new G2DRepaintManager(rootPane.getClass(), old);\r
- RepaintManager.setCurrentManager(repaintManager);\r
- }\r
+ old = findProperRepaintManager(old);
+ this.repaintManager = new G2DRepaintManager(rootPane.getClass(), old);
+ RepaintManager.setCurrentManager(repaintManager);
+ }
this.rootPane = rootPane;
- }\r
-\r
- /**\r
- * Set rootpane for swing components. This is used as parent for the components created by ComponentNode.\r
- * Supports separate component that is responsible for repainting the scenegraph.\r
- * \r
- * @param rootPane Component that is used as a parent for the swing component (This shouldn't be visible)\r
- * @param paintContext Component that is responsible for repainting the scenegraph\r
+ }
+
+ /**
+ * Set rootpane for swing components. This is used as parent for the components created by ComponentNode.
+ * Supports separate component that is responsible for repainting the scenegraph.
+ *
+ * @param rootPane Component that is used as a parent for the swing component (This shouldn't be visible)
+ * @param paintContext Component that is responsible for repainting the scenegraph
*/
- public void setRootPane(Container rootPane, Component paintContext) {\r
- synchronized (RepaintManager.class) {\r
- RepaintManager old = RepaintManager.currentManager(paintContext);\r
- old = findProperRepaintManager(old);\r
- this.repaintManager = new G2DRepaintManager(paintContext.getClass(), old);\r
- RepaintManager.setCurrentManager(repaintManager);\r
- }\r
- this.rootPane = rootPane;\r
- eventHandler.setRootPane(rootPane);\r
- }\r
-
- private RepaintManager findProperRepaintManager(RepaintManager old) {\r
- while (old instanceof G2DRepaintManager) {\r
- G2DRepaintManager g2drm = (G2DRepaintManager) old;\r
- old = g2drm.getDelegate();\r
- }\r
- return old;\r
- }\r
-\r
- public G2DRepaintManager getRepaintManager() {\r
- return repaintManager;\r
- }\r
-\r
+ public void setRootPane(Container rootPane, Component paintContext) {
+ synchronized (RepaintManager.class) {
+ RepaintManager old = RepaintManager.currentManager(paintContext);
+ old = findProperRepaintManager(old);
+ this.repaintManager = new G2DRepaintManager(paintContext.getClass(), old);
+ RepaintManager.setCurrentManager(repaintManager);
+ }
+ this.rootPane = rootPane;
+ }
+
+ private RepaintManager findProperRepaintManager(RepaintManager old) {
+ while (old instanceof G2DRepaintManager) {
+ G2DRepaintManager g2drm = (G2DRepaintManager) old;
+ old = g2drm.getDelegate();
+ }
+ return old;
+ }
+
+ public G2DRepaintManager getRepaintManager() {
+ return repaintManager;
+ }
+
/**
* Put the node to the remove queue
*/
@Override
public void asyncRemoveNode(INode node) {
- synchronized(nodesToRemove) {\r
- // Prevent nodes from winding up twice on the nodesToRemove queue\r
+ synchronized(nodesToRemove) {
+ // Prevent nodes from winding up twice on the nodesToRemove queue
if (nodesToRemoveSet.add(node)) {
- nodesToRemove.add(node); // This is performed when called inside the render\r
+ nodesToRemove.add(node); // This is performed when called inside the render
}
}
}
synchronized(nodesToRemove) {
while(nodesToRemove.size() > 0) {
INode node = nodesToRemove.removeFirst();
- ParentNode<?> parent = node.getParent();\r
- // This works around issue #2071\r
+ ParentNode<?> parent = node.getParent();
+ // This works around issue #2071
if (parent != null)
parent.removeNode(node);
- }\r
- if (!nodesToRemoveSet.isEmpty())\r
- nodesToRemoveSet.clear();\r
+ }
+ if (!nodesToRemoveSet.isEmpty())
+ nodesToRemoveSet.clear();
}
}
-\r
- @Override\r
- public void cleanup() {\r
- super.cleanup();\r
- nodesToRemove.clear();\r
- nodesToRemove = null;\r
- nodesToRemoveSet.clear();\r
- nodesToRemoveSet = null;\r
- eventHandler.dispose();\r
- eventHandler = null;\r
- eventDelegator.dispose();\r
- eventDelegator = null;\r
- }\r
+
+ @Override
+ public void cleanup() {
+ super.cleanup();
+ nodesToRemove.clear();
+ nodesToRemove = null;
+ nodesToRemoveSet.clear();
+ nodesToRemoveSet = null;
+ eventHandler.dispose();
+ eventHandler = null;
+ eventDelegator.dispose();
+ eventDelegator = null;
+ }
public Container getRootPane() {
return (Container) this.rootPane;
- }\r
-\r
+ }
+
@Override
public String toString() {
return super.toString() + " [root pane=" + rootPane + "]";
}
- @Override\r
- public ParentNode<?> getRootNode() {\r
- // This is a root node!\r
- return this;\r
- }\r
-\r
- // ILookupService implementation\r
-\r
- private final Object lookupLock = new Object();\r
- private final Map<String, INode> toNode = new HashMap<String, INode>();\r
- private final Map<INode, String> toId = new HashMap<INode, String>();\r
-\r
- transient Logger logger = Logger.getLogger(getClass().getName());\r
-\r
- @Override\r
- public INode map(String id, INode node) {\r
- if (id == null)\r
- throw new NullPointerException("null id");\r
- if (node == null)\r
- throw new NullPointerException("null node");\r
-\r
- INode oldNode;\r
- String oldId;\r
- synchronized (lookupLock) {\r
- oldNode = toNode.put(id, node);\r
- oldId = toId.put(node, id);\r
-\r
- // Keep the mapping a consistent bijection:\r
- // If ID => INode mapping is removed, the INode => ID mappings must\r
- // removed also.\r
-\r
- if (oldNode != null && !oldNode.equals(node)) {\r
- String removedId = toId.remove(oldNode);\r
- if (!id.equals(removedId))\r
- toNode.remove(removedId);\r
- }\r
- if (oldId != null && !oldId.equals(id)) {\r
- INode removedNode = toNode.remove(oldId);\r
- if (removedNode != node)\r
- toId.remove(removedNode);\r
- }\r
- }\r
- if (logger.isLoggable(Level.FINER))\r
- logger.fine("map(" + id + ", " + node + ")");\r
- if (oldNode != null || oldId != null) {\r
- if (logger.isLoggable(Level.FINE)) {\r
- logger.info("replaced mappings for ID " + oldId + " and node " + oldNode);\r
- }\r
- }\r
- return oldNode;\r
- }\r
-\r
- @Override\r
- public INode unmap(String id) {\r
- INode node;\r
- String mappedId;\r
- synchronized (lookupLock) {\r
- node = toNode.remove(id);\r
- if (node == null)\r
- return null;\r
- mappedId = toId.remove(node);\r
- }\r
- if (logger.isLoggable(Level.FINER))\r
- logger.fine("unmap(" + id + "): " + node);\r
- if (mappedId != null && !mappedId.equals(id)) {\r
- if (logger.isLoggable(Level.WARNING))\r
- logger.log(Level.WARNING, "mapping was out-of-sync: " + id + " => " + node + " & " + mappedId + " => " + node, new Exception("trace"));\r
- }\r
- return node;\r
- }\r
-\r
- @Override\r
- public String unmap(INode node) {\r
- String id;\r
- INode mappedNode;\r
- synchronized (lookupLock) {\r
- id = toId.remove(node);\r
- if (node == null)\r
- return null;\r
- mappedNode = toNode.remove(id);\r
- }\r
- if (logger.isLoggable(Level.FINER))\r
- logger.fine("unmap(" + node + "): " + id);\r
- if (mappedNode != null && node != mappedNode) {\r
- if (logger.isLoggable(Level.WARNING))\r
- logger.log(Level.WARNING, "mapping was out-of-sync: " + node + " => " + id + " & " + id + " => " + mappedNode, new Exception("trace"));\r
- }\r
- return id;\r
- }\r
-\r
- @Override\r
- public INode lookupNode(String id) {\r
- synchronized (lookupLock) {\r
- return toNode.get(id);\r
- }\r
- }\r
-\r
- @Override\r
- public String lookupId(INode node) {\r
- synchronized (lookupLock) {\r
- return toId.get(node);\r
- }\r
- }\r
-\r
- public boolean isPending() {\r
- return !pending.isEmpty();\r
- }\r
-\r
- synchronized public void increasePending(Object object) {\r
- Integer ref = pending.get(object);\r
- if (ref == null) pending.put(object, 1);\r
- else pending.put(object, ref+1);\r
- }\r
-\r
- synchronized public void setPending(Object object) {\r
- pending.put(object, 1);\r
- }\r
-\r
- synchronized public void clearPending(Object object) {\r
- pending.remove(object);\r
- }\r
-\r
- synchronized public void decreasePending(Object object) {\r
- Integer ref = pending.get(object);\r
- if (ref == null) {\r
- return;\r
- //throw new IllegalStateException("Ref count in unregister was 0 for " + object);\r
- }\r
- if (ref > 1) pending.put(object, ref-1);\r
- else if (ref==1) pending.remove(object);\r
- else {\r
- return;\r
- //throw new IllegalStateException("Ref count in unregister was 0 for " + object);\r
- }\r
- }\r
- \r
- synchronized public void setGlobalProperty(String key, Object value) {\r
- globalProperties.put(key, value);\r
- }\r
- \r
- @SuppressWarnings("unchecked")\r
- synchronized public <T> T getGlobalProperty(String key, T defaultValue) {\r
- T t = (T)globalProperties.get(key);\r
- if(t == null) return defaultValue;\r
- return t;\r
- }\r
-\r
+ @Override
+ public ParentNode<?> getRootNode() {
+ // This is a root node!
+ return this;
+ }
+
+ // ILookupService implementation
+
+ private final Object lookupLock = new Object();
+ private final Map<String, INode> toNode = new HashMap<String, INode>();
+ private final Map<INode, String> toId = new HashMap<INode, String>();
+
+ transient Logger logger = Logger.getLogger(getClass().getName());
+
+ @Override
+ public INode map(String id, INode node) {
+ if (id == null)
+ throw new NullPointerException("null id");
+ if (node == null)
+ throw new NullPointerException("null node");
+
+ INode oldNode;
+ String oldId;
+ synchronized (lookupLock) {
+ oldNode = toNode.put(id, node);
+ oldId = toId.put(node, id);
+
+ // Keep the mapping a consistent bijection:
+ // If ID => INode mapping is removed, the INode => ID mappings must
+ // removed also.
+
+ if (oldNode != null && !oldNode.equals(node)) {
+ String removedId = toId.remove(oldNode);
+ if (!id.equals(removedId))
+ toNode.remove(removedId);
+ }
+ if (oldId != null && !oldId.equals(id)) {
+ INode removedNode = toNode.remove(oldId);
+ if (removedNode != node)
+ toId.remove(removedNode);
+ }
+ }
+ if (logger.isLoggable(Level.FINER))
+ logger.fine("map(" + id + ", " + node + ")");
+ if (oldNode != null || oldId != null) {
+ if (logger.isLoggable(Level.FINE)) {
+ logger.info("replaced mappings for ID " + oldId + " and node " + oldNode);
+ }
+ }
+ return oldNode;
+ }
+
+ @Override
+ public INode unmap(String id) {
+ INode node;
+ String mappedId;
+ synchronized (lookupLock) {
+ node = toNode.remove(id);
+ if (node == null)
+ return null;
+ mappedId = toId.remove(node);
+ }
+ if (logger.isLoggable(Level.FINER))
+ logger.fine("unmap(" + id + "): " + node);
+ if (mappedId != null && !mappedId.equals(id)) {
+ if (logger.isLoggable(Level.WARNING))
+ logger.log(Level.WARNING, "mapping was out-of-sync: " + id + " => " + node + " & " + mappedId + " => " + node, new Exception("trace"));
+ }
+ return node;
+ }
+
+ @Override
+ public String unmap(INode node) {
+ String id;
+ INode mappedNode;
+ synchronized (lookupLock) {
+ id = toId.remove(node);
+ if (node == null)
+ return null;
+ mappedNode = toNode.remove(id);
+ }
+ if (logger.isLoggable(Level.FINER))
+ logger.fine("unmap(" + node + "): " + id);
+ if (mappedNode != null && node != mappedNode) {
+ if (logger.isLoggable(Level.WARNING))
+ logger.log(Level.WARNING, "mapping was out-of-sync: " + node + " => " + id + " & " + id + " => " + mappedNode, new Exception("trace"));
+ }
+ return id;
+ }
+
+ @Override
+ public INode lookupNode(String id) {
+ synchronized (lookupLock) {
+ return toNode.get(id);
+ }
+ }
+
+ @Override
+ public String lookupId(INode node) {
+ synchronized (lookupLock) {
+ return toId.get(node);
+ }
+ }
+
+ public boolean isPending() {
+ return !pending.isEmpty();
+ }
+
+ synchronized public void increasePending(Object object) {
+ Integer ref = pending.get(object);
+ if (ref == null) pending.put(object, 1);
+ else pending.put(object, ref+1);
+ }
+
+ synchronized public void setPending(Object object) {
+ pending.put(object, 1);
+ }
+
+ synchronized public void clearPending(Object object) {
+ pending.remove(object);
+ }
+
+ synchronized public void decreasePending(Object object) {
+ Integer ref = pending.get(object);
+ if (ref == null) {
+ return;
+ //throw new IllegalStateException("Ref count in unregister was 0 for " + object);
+ }
+ if (ref > 1) pending.put(object, ref-1);
+ else if (ref==1) pending.remove(object);
+ else {
+ return;
+ //throw new IllegalStateException("Ref count in unregister was 0 for " + object);
+ }
+ }
+
+ synchronized public void setGlobalProperty(String key, Object value) {
+ globalProperties.put(key, value);
+ }
+
+ @SuppressWarnings("unchecked")
+ synchronized public <T> T getGlobalProperty(String key, T defaultValue) {
+ T t = (T)globalProperties.get(key);
+ if(t == null) return defaultValue;
+ return t;
+ }
+
}