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Chip 1998 November
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Cafe
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BasicVisibleTreeNode.java
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1998-02-26
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/*
* @(#)BasicVisibleTreeNode.java 1.6 98/02/02
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
*/
package com.sun.java.swing.plaf.basic;
import com.sun.java.swing.*;
import com.sun.java.swing.tree.*;
import com.sun.java.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.util.*;
import com.sun.java.swing.plaf.*;
/**
* BasicVisibleTreeNode extends VisibleTreeNode to stop editing
* whenever nodes are added/removed and to redisplay when collapsing/
* expanding the node.
* <p>
* Warning: serialized objects of this class will not be compatible with
* future swing releases. The current serialization support is appropriate
* for short term storage or RMI between Swing1.0 applications. It will
* not be possible to load serialized Swing1.0 objects with future releases
* of Swing. The JDK1.2 release of Swing will be the compatibility
* baseline for the serialized form of Swing objects.
*
* @version 1.6 02/02/98
* @author Rob Davis
* @author Ray Ryan
* @author Scott Violet
*/
public class BasicVisibleTreeNode extends VisibleTreeNode {
protected BasicVisibleTreeNode(AbstractTreeUI treeUI, Object value,
int index) {
super(treeUI, value, index);
}
/**
* Repaints the receiver by messaging the TreeUI with repaintNode.
*/
public void repaint() {
((BasicTreeUI)treeUI).repaintNode(this);
}
/**
* Messages the BasicTreeUI the receiver was crated for to stop
* editing.
*/
public void cancelEditing() {
((BasicTreeUI)treeUI).completeEditing(false, true, false);
}
/**
* If the node is visible, it is repainted.
*/
public void modelChildCountChanged() {
if(getRow() != -1)
repaint();
}
/**
* Stops editing, repaints the node if only 1 child and messages
* super.
*/
public void insert(MutableTreeNode newChild, int childIndex) {
cancelEditing();
super.insert(newChild, childIndex);
if(getChildCount() == 1 && getRow() != -1)
repaint();
}
/**
* Stops editing, repaints if no children, and messages super.
*/
public void remove(int childIndex) {
cancelEditing();
super.remove(childIndex);
if(getModelChildCount() == 0 && getRow() != -1)
repaint();
}
/**
* Stops editing messages super and repaints this node if
* there are no children.
*/
protected void collapse(boolean adjustTree) {
cancelEditing();
super.collapse(adjustTree);
if(adjustTree && (children == null || children.size() == 0))
repaint();
}
/**
* Stops editing messages super and repaints this node if
* there are no children.
*/
protected void expand(boolean adjustTree) {
cancelEditing();
super.expand(adjustTree);
if(adjustTree && (children == null || children.size() == 0))
repaint();
}
}