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-rw-r--r--odk/examples/java/Inspector/HideableMutableTreeNode.java106
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diff --git a/odk/examples/java/Inspector/HideableMutableTreeNode.java b/odk/examples/java/Inspector/HideableMutableTreeNode.java
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+/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+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.
+ */
+ private 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 _bIsVisible 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;
+ }
+
+}
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */