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Diffstat (limited to 'odk/examples/java/Inspector/HideableMutableTreeNode.java')
-rw-r--r-- | odk/examples/java/Inspector/HideableMutableTreeNode.java | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/odk/examples/java/Inspector/HideableMutableTreeNode.java b/odk/examples/java/Inspector/HideableMutableTreeNode.java new file mode 100644 index 000000000..c601d075e --- /dev/null +++ b/odk/examples/java/Inspector/HideableMutableTreeNode.java @@ -0,0 +1,106 @@ +/* -*- 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: */ |