show hex identity hashcode in node tree

src/main/java/org/fxconnector/ConnectorUtils.java

@@ -101,6 +101,10 @@ public static String formatSize(final double size) {
         return DFMT.format(size);
     }
 
+    public static String nodeIdentityCode(final  Object node) {
+        return Integer.toHexString(System.identityHashCode(node));
+    }
+
     public static String nodeClass(final Object node) {
         final String value = classNames.get(node.getClass());
         if (value == null) {

src/main/java/org/fxconnector/helper/WorkerThread.java

@@ -1,54 +1,67 @@
-/*
- * Scenic View, 
- * Copyright (C) 2012 Jonathan Giles, Ander Ruiz, Amy Fowler 
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package org.fxconnector.helper;
-
-import org.scenicview.utils.ExceptionLogger;
-
-public abstract class WorkerThread extends Thread {
-
-    protected boolean running = true;
-    protected final int sleepTime;
-
-    public WorkerThread(final String name, final int sleepTime) {
-        super(name);
-        setDaemon(true);
-        this.sleepTime = sleepTime;
-    }
-
-    public void finish() {
-        this.running = false;
-        interrupt();
-    }
-
-    @Override public void run() {
-        long sleepTime = 0;
-        while (running) {
-            try {
-                Thread.sleep(sleepTime);
-                work();
-            } catch (final Exception e) {
-                if (running) {
-                    ExceptionLogger.submitException(e);
-                }
-            }
-            sleepTime = this.sleepTime;
-        }
-    }
-
-    protected abstract void work();
-}
+/*
+ * Scenic View, 
+ * Copyright (C) 2012 Jonathan Giles, Ander Ruiz, Amy Fowler 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.fxconnector.helper;
+
+import org.scenicview.utils.ExceptionLogger;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+public abstract class WorkerThread extends Thread {
+
+    protected boolean running = true;
+    protected final int sleepTime;
+    protected AtomicBoolean workEnabled = new AtomicBoolean(true);
+
+    public WorkerThread(final String name, final int sleepTime) {
+        super(name);
+        setDaemon(true);
+        this.sleepTime = sleepTime;
+    }
+
+    public void finish() {
+        this.running = false;
+        interrupt();
+    }
+
+    @Override public void run() {
+        long sleepTime = 0;
+        while (running) {
+            try {
+                Thread.sleep(sleepTime);
+                if (isEnabled()) {
+                    work();
+                }
+            } catch (final Exception e) {
+                if (running) {
+                    ExceptionLogger.submitException(e);
+                }
+            }
+            sleepTime = this.sleepTime;
+        }
+    }
+
+    public void setEnabled(Boolean enabled) {
+        workEnabled.set(enabled);
+    }
+
+    public boolean isEnabled() {
+        return workEnabled.get();
+    }
+
+    protected abstract void work();
+}

src/main/java/org/fxconnector/node/SVDummyNode.java

@@ -50,7 +50,7 @@ public SVDummyNode() {
     }
 
     public SVDummyNode(final String name, final String nodeClass, final int nodeID, final NodeType nodeType) {
-        super(nodeClass, null);
+        super(nodeClass, null, null);
         this.name = name;
         this.nodeID = nodeID;
         this.nodeType = nodeType;

src/main/java/org/fxconnector/node/SVNode.java

@@ -30,6 +30,8 @@ public interface SVNode {
 
     String getNodeClass();
 
+    String getNodeIdentityCode();
+
     String getExtendedId();
 
     SVNode getParent();

src/main/java/org/fxconnector/node/SVNodeImpl.java

@@ -32,14 +32,16 @@ abstract class SVNodeImpl implements SVNode, Serializable {
     boolean expanded;
     protected String nodeClass;
     protected String nodeClassName;
+    protected String nodeIdentityCode;
 
     protected SVNodeImpl() {
 
     }
 
-    protected SVNodeImpl(final String nodeClass, final String nodeClassName) {
+    protected SVNodeImpl(final String nodeClass, final String nodeClassName, final String nodeIdentityCode) {
         this.nodeClass = nodeClass;
         this.nodeClassName = nodeClassName;
+        this.nodeIdentityCode = nodeIdentityCode;
     }
 
     @Override public final void setInvalidForFilter(final boolean invalid) {
@@ -74,4 +76,7 @@ protected SVNodeImpl(final String nodeClass, final String nodeClassName) {
         return nodeClassName;
     }
 
+    public String getNodeIdentityCode() {
+        return nodeIdentityCode;
+    }
 }

src/main/java/org/fxconnector/node/SVRealNodeAdapter.java

@@ -46,7 +46,7 @@ public SVRealNodeAdapter(final Node node) {
     }
 
     public SVRealNodeAdapter(final Node node, final boolean collapseControls, final boolean collapseContentControls) {
-        super(ConnectorUtils.nodeClass(node), node.getClass().getName());
+        super(ConnectorUtils.nodeClass(node), node.getClass().getName(), ConnectorUtils.nodeIdentityCode(node));
         this.node = node;
         this.collapseControls = collapseControls;
         this.collapseContentControls = collapseContentControls;

src/main/java/org/fxconnector/node/SVRemoteNodeAdapter.java

@@ -48,7 +48,7 @@ public SVRemoteNodeAdapter(final Node node, final boolean collapseControls, fina
     }
 
     public SVRemoteNodeAdapter(final Node node, final boolean collapseControls, final boolean collapseContentControls, final boolean fillChildren, final SVRemoteNodeAdapter parent) {
-        super(ConnectorUtils.nodeClass(node), node.getClass().getName());
+        super(ConnectorUtils.nodeClass(node), node.getClass().getName(), ConnectorUtils.nodeIdentityCode(node));
         boolean mustBeExpanded = !(node instanceof Control) || !collapseControls;
         if (!mustBeExpanded && !collapseContentControls) {
             mustBeExpanded = node instanceof TabPane || node instanceof SplitPane || node instanceof ScrollPane || node instanceof Accordion || node instanceof TitledPane;

src/main/java/org/scenicview/view/ScenegraphTreeView.java

@@ -35,7 +35,9 @@
 import javafx.scene.control.TreeView;
 import javafx.scene.image.ImageView;
 import javafx.scene.input.MouseEvent;
+import javafx.scene.layout.HBox;
 import javafx.scene.paint.Color;
+import javafx.scene.text.Text;
 import javafx.stage.WindowEvent;
 
 import org.fxconnector.AppController;
@@ -86,11 +88,24 @@ public ScenegraphTreeView(final List<NodeFilter> activeNodeFilters, final Scenic
         setCellFactory(node -> new TreeCell<SVNode>() {
             @Override public void updateItem(final SVNode item, final boolean empty) {
                 super.updateItem(item, empty);
-
-                TreeItem<SVNode> treeItem = getTreeItem();
-                setGraphic(treeItem == null ? null : treeItem.getGraphic());
-
-                setText(item == null ? null : item.toString());
+                if (item != null) {
+                    Text txtName = new Text(item.toString());
+                    txtName.getStyleClass().add("text");
+                    Text txtCode = new Text(item.getNodeIdentityCode());
+                    txtCode.getStyleClass().add("text");
+                    txtCode.getStyleClass().add("textIdentityCode");
+                    HBox hbox = new HBox(5.0);
+                    if (getTreeItem() != null) {
+                        hbox.getChildren().add(getTreeItem().getGraphic());
+                    }
+                    hbox.getChildren().add(txtName);
+                    hbox.getChildren().add(txtCode);
+                    setGraphic(hbox);
+                } else {
+                    setGraphic(null);
+                }
+                //setText(item == null ? null : item.toString());
+                setText(null);
                 setOpacity(1);
 
                 if (item == null) return;