INTEGRATION: CWS sdkinspector (1.1.2); FILE ADDED

2006/12/21 10:19:04 bc 1.1.2.2: #i69688# ecapsulating UI
2006/09/20 07:20:31 bc 1.1.2.1: #i69688#several improvements according to Wiki entry

odk/examples/java/Inspector/HideableMutableTreeNode.java

+// *** HideableMutableTreeNode ***
+import javax.swing.*;
+import javax.swing.tree.*;
+
+/**
+ * <code>HideableMutableTreeNode</code> is a <code>DefaultMutableTreeNode</code>
+ * implementation that works with <code>HideableTreeModel</code>.
+ */
+public class HideableMutableTreeNode extends DefaultMutableTreeNode {
+    /**
+     * The node is visible flag.
+     */
+    public boolean bIsvisible = true;
+        private static final String SDUMMY = "Dummy";
+
+
+    /**
+     * Creates a tree node that has no parent and no children, but which
+     * allows children.
+     */
+    public HideableMutableTreeNode() {
+            super();
+    }
+
+    /**
+     * Creates a tree node with no parent, no children, but which allows
+     * children, and initializes it with the specified user object.
+     *
+     * @param  userObject - an Object provided by the user that
+     *                      constitutes the node's data
+     */
+    public HideableMutableTreeNode(Object _userObject) {
+            super(_userObject);
+    }
+
+    /**
+     * Creates a tree node with no parent, no children, initialized with the
+     * specified user object, and that allows children only if specified.
+     *
+     * @param  _userObject     - an Object provided by the user that describes the node's data
+     * @param  _ballowsChildren - if true, the node is allowed to have childnodes -- otherwise, it is always a leaf node
+     */
+    public HideableMutableTreeNode(Object _userObject, boolean _ballowsChildren) {
+            super(_userObject, _ballowsChildren);
+    }
+
+    /**
+     * Checks if the node is visible.
+     *
+     * @return  true if the node is visible, else false
+     */
+    public boolean isVisible() {
+            return this.bIsvisible;
+    }
+
+    /**
+     * Sets if the node is visible.
+     *
+     * @param  returns true if the node is visible, else false
+     */
+    public void setVisible(boolean _bIsVisible) {
+            this.bIsvisible = _bIsVisible;
+    }
+
+
+        public void addDummyNode(){
+            removeDummyNode();
+            DefaultMutableTreeNode oDefaultMutableTreeNode = new DefaultMutableTreeNode(SDUMMY);
+            add(oDefaultMutableTreeNode);
+
+        }
+
+
+        public boolean removeDummyNode(){
+            boolean breturn = false;
+            if (getChildCount() == 1){
+                DefaultMutableTreeNode oDefaultMutableTreeNode = (DefaultMutableTreeNode) getChildAt(0);
+                if (oDefaultMutableTreeNode != null){
+                    if (oDefaultMutableTreeNode.getUserObject().equals(SDUMMY)){
+                        remove(0);
+                        breturn = true;
+                    }
+                }
+            }
+            return breturn;
+        }
+
+}
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