-/*******************************************************************************\r
- * Copyright (c) 2012, 2013 Association for Decentralized Information Management in\r
- * 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.g3d.scenegraph.base;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-import java.util.List;\r
-\r
-import org.simantics.utils.datastructures.MapList;\r
-\r
-public abstract class ParentNode<T extends INode> extends Node {\r
-\r
- private MapList<String, T> children = new MapList<String, T>();\r
-\r
- public synchronized void addNode(String relName, T child) {\r
- if (child.getParent() != null)\r
- child.getParent().removeNode(child.getParentRel(), child);\r
-\r
- child.setParent(this, relName);\r
- children.add(relName, (T) child);\r
-\r
- childrenChanged();\r
- fireNodeAdded(child, relName);\r
- }\r
-\r
- /**\r
- * Removes child node and it's hierarchy.\r
- * @param relName\r
- * @param child\r
- * @return\r
- */\r
- @SuppressWarnings("unchecked")\r
- public synchronized final boolean removeNode(String relName, INode child) {\r
- if (children.remove(relName, (T) child)) {\r
- fireNodeRemoved(child, relName);\r
- child.remove();\r
- child.setParent(null, null);\r
- return true;\r
- }\r
- return false;\r
- }\r
- \r
- /**\r
- * Removes child node. The child nodes hierarchy is left intact.\r
- * @param relName\r
- * @param child\r
- * @return\r
- */\r
- @SuppressWarnings("unchecked")\r
- public synchronized final boolean deattachNode(String relName, INode child) {\r
- if (children.remove(relName, (T) child)) {\r
- fireNodeRemoved(child, relName);\r
- child.setParent(null, null);\r
- return true;\r
- }\r
- return false;\r
- }\r
- \r
- public synchronized final boolean removeNodes(String relName) {\r
- List<T> nodes = children.getValues(relName);\r
- for (T child : nodes) {\r
- if (children.remove(relName, (T) child)) {\r
- fireNodeRemoved(child, relName);\r
- child.remove();\r
- child.setParent(null, null);\r
- \r
- }\r
- }\r
- return nodes.size() > 0;\r
- }\r
-\r
- public synchronized final void removeNodes() {\r
- synchronized (children) {\r
- boolean changed = false;\r
- for (String key : children.getKeys()) {\r
- for (T child : children.getValues(key)) {\r
- if (child != null) {\r
- changed = true;\r
- if (child instanceof ParentNode<?>) {\r
- ((ParentNode<?>) child).removeNodes();\r
- }\r
- child.cleanup();\r
- child.setParent(null, null);\r
- // if (propertyChangeListener != null) {\r
- // propertyChangeListener.propertyChange(new\r
- // PropertyChangeEvent(this,\r
- // "children["+child.getId()+"]", child.getClass(),\r
- // NULL)); // "children" is a special field name\r
- // }\r
- }\r
- }\r
- }\r
- children.clear();\r
- if (changed)\r
- childrenChanged();\r
- }\r
- }\r
-\r
- public synchronized List<T> getNodes(String rel) {\r
- return children.getValues(rel);\r
- }\r
-\r
- public synchronized List<T> getNodes() {\r
- List<T> result = new ArrayList<T>();\r
- for (String s : children.getKeys())\r
- result.addAll(children.getValues(s));\r
- return result;\r
- }\r
-\r
- protected void childrenChanged() {\r
- }\r
-\r
-\r
- @Override\r
- public void remove() {\r
- synchronized (children) {\r
- List<T> toRemove = new ArrayList<T>();\r
- \r
- for (String key : children.getKeys()) {\r
- \r
- for (T child : children.getValues(key)) {\r
- if (child != null) {\r
- toRemove.add(child);\r
- }\r
- }\r
- }\r
-\r
- for (T n : toRemove) {\r
- n.remove();\r
- }\r
- \r
- children.clear();\r
- if (toRemove.size() > 0)\r
- childrenChanged();\r
- super.remove();\r
- \r
- }\r
- }\r
- \r
- \r
- \r
- \r
- protected void fireNodeAdded(INode node, String rel) {\r
- for (NodeListener listener : listeners) {\r
- listener.nodeAdded(this, node, rel);\r
- }\r
- }\r
- \r
- protected void fireNodeRemoved(INode node, String rel) {\r
- for (NodeListener listener : listeners) {\r
- listener.nodeRemoved(this, node, rel);\r
- }\r
- }\r
- \r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2012, 2013 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.g3d.scenegraph.base;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.simantics.utils.datastructures.MapList;
+
+public abstract class ParentNode<T extends INode> extends Node {
+
+ private MapList<String, T> children = new MapList<String, T>();
+
+ public synchronized void addNode(String relName, T child) {
+ if (child == null)
+ throw new NullPointerException("Cannot add null child");
+ if (child.getParent() != null) {
+ if (child.getParent() == this)
+ throw new IllegalArgumentException("Given node is already a child");
+ child.getParent().deattachNode(child.getParentRel(), child);
+ }
+
+ child.setParent(this, relName);
+ children.add(relName, (T) child);
+
+ childrenChanged();
+ fireNodeAdded(child, relName);
+ }
+
+ /**
+ * Removes child node and it's hierarchy.
+ * @param relName
+ * @param child
+ * @return
+ */
+ @SuppressWarnings("unchecked")
+ public synchronized final boolean removeNode(String relName, INode child) {
+ if (children.remove(relName, (T) child)) {
+ fireNodeRemoved(child, relName);
+ child.remove();
+ child.setParent(null, null);
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Removes child node. The child nodes hierarchy is left intact.
+ * @param relName
+ * @param child
+ * @return
+ */
+ @SuppressWarnings("unchecked")
+ public synchronized final boolean deattachNode(String relName, INode child) {
+ if (children.remove(relName, (T) child)) {
+ fireNodeRemoved(child, relName);
+ child.setParent(null, null);
+ return true;
+ }
+ return false;
+ }
+
+ public synchronized final boolean removeNodes(String relName) {
+ List<T> nodes = children.getValues(relName);
+ for (T child : nodes) {
+ if (children.remove(relName, (T) child)) {
+ fireNodeRemoved(child, relName);
+ child.remove();
+ child.setParent(null, null);
+
+ }
+ }
+ return nodes.size() > 0;
+ }
+
+ public synchronized final void removeNodes() {
+ synchronized (children) {
+ boolean changed = false;
+ for (String key : children.getKeys()) {
+ for (T child : children.getValues(key)) {
+ if (child != null) {
+ changed = true;
+ if (child instanceof ParentNode<?>) {
+ ((ParentNode<?>) child).removeNodes();
+ }
+ child.cleanup();
+ child.setParent(null, null);
+ // if (propertyChangeListener != null) {
+ // propertyChangeListener.propertyChange(new
+ // PropertyChangeEvent(this,
+ // "children["+child.getId()+"]", child.getClass(),
+ // NULL)); // "children" is a special field name
+ // }
+ }
+ }
+ }
+ children.clear();
+ if (changed)
+ childrenChanged();
+ }
+ }
+
+ public synchronized List<T> getNodes(String rel) {
+ return children.getValues(rel);
+ }
+
+ public synchronized List<T> getNodes() {
+ List<T> result = new ArrayList<T>();
+ for (String s : children.getKeys())
+ result.addAll(children.getValues(s));
+ return result;
+ }
+
+ protected void childrenChanged() {
+ }
+
+
+ @Override
+ public void remove() {
+ synchronized (children) {
+ List<T> toRemove = new ArrayList<T>();
+
+ for (String key : children.getKeys()) {
+
+ for (T child : children.getValues(key)) {
+ if (child != null) {
+ toRemove.add(child);
+ }
+ }
+ }
+
+ for (T n : toRemove) {
+ n.remove();
+ }
+
+ children.clear();
+ if (toRemove.size() > 0)
+ childrenChanged();
+ super.remove();
+
+ }
+ }
+
+
+
+
+ protected void fireNodeAdded(INode node, String rel) {
+ for (NodeListener listener : listeners) {
+ listener.nodeAdded(this, node, rel);
+ }
+ }
+
+ protected void fireNodeRemoved(INode node, String rel) {
+ for (NodeListener listener : listeners) {
+ listener.nodeRemoved(this, node, rel);
+ }
+ }
+
+}