org.dom4j.swing.LeafTreeNode Maven / Gradle / Ivy
/*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*
* This software is open source.
* See the bottom of this file for the licence.
*/
package org.dom4j.swing;
import java.util.Enumeration;
import javax.swing.tree.TreeNode;
import org.dom4j.Node;
/**
*
* LeafTreeNode implements the Swing TreeNode interface to bind a
* leaf XML nodes to a Swing TreeModel.
*
*
* @author James Strachan
* @author Jakob Jenkov
* @version $Revision: 1.7 $
*/
public class LeafTreeNode implements TreeNode {
protected static final Enumeration EMPTY_ENUMERATION = new Enumeration() {
public boolean hasMoreElements() {
return false;
}
public Object nextElement() {
return null;
}
};
/** The parent node of this TreeNode */
private TreeNode parent;
/** The dom4j Node which contains the */
protected Node xmlNode;
public LeafTreeNode() {
}
public LeafTreeNode(Node xmlNode) {
this.xmlNode = xmlNode;
}
public LeafTreeNode(TreeNode parent, Node xmlNode) {
this.parent = parent;
this.xmlNode = xmlNode;
}
// TreeNode methods
// -------------------------------------------------------------------------
public Enumeration children() {
return EMPTY_ENUMERATION;
}
public boolean getAllowsChildren() {
return false;
}
public TreeNode getChildAt(int childIndex) {
return null;
}
public int getChildCount() {
return 0;
}
public int getIndex(TreeNode node) {
return -1;
}
public TreeNode getParent() {
return parent;
}
public boolean isLeaf() {
return true;
}
public String toString() {
// should maybe do things differently based on content?
String text = xmlNode.getText();
return (text != null) ? text.trim() : "";
}
// Properties
// -------------------------------------------------------------------------
/**
* Sets the parent of this node but doesn't change the parents children
*
* @param parent
* DOCUMENT ME!
*/
public void setParent(LeafTreeNode parent) {
this.parent = parent;
}
public Node getXmlNode() {
return xmlNode;
}
}
/*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and
* notices. Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name "DOM4J" must not be used to endorse or promote products derived
* from this Software without prior written permission of MetaStuff, Ltd. For
* written permission, please contact [email protected].
*
* 4. Products derived from this Software may not be called "DOM4J" nor may
* "DOM4J" appear in their names without prior written permission of MetaStuff,
* Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
*
* 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
*
* THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*/