/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software
* License version 1.1, a copy of which has been included with this
* distribution in the LICENSE.txt file.
*/
package org.apache.log4j.lf5.viewer.categoryexplorer;
import javax.swing.*;
import javax.swing.tree.DefaultTreeCellEditor;
import javax.swing.tree.TreePath;
import java.awt.*;
import java.awt.event.MouseEvent;
import java.util.EventObject;
/**
* CategoryImmediateEditor
*
* @author Michael J. Sikorsky
* @author Robert Shaw
*/
// Contributed by ThoughtWorks Inc.
public class CategoryImmediateEditor extends DefaultTreeCellEditor {
//--------------------------------------------------------------------------
// Constants:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Protected Variables:
//--------------------------------------------------------------------------
private CategoryNodeRenderer renderer;
protected Icon editingIcon = null;
//--------------------------------------------------------------------------
// Private Variables:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Constructors:
//--------------------------------------------------------------------------
public CategoryImmediateEditor(JTree tree,
CategoryNodeRenderer renderer,
CategoryNodeEditor editor) {
super(tree, renderer, editor);
this.renderer = renderer;
renderer.setIcon(null);
renderer.setLeafIcon(null);
renderer.setOpenIcon(null);
renderer.setClosedIcon(null);
super.editingIcon = null;
}
//--------------------------------------------------------------------------
// Public Methods:
//--------------------------------------------------------------------------
public boolean shouldSelectCell(EventObject e) {
boolean rv = false; // only mouse events
if (e instanceof MouseEvent) {
MouseEvent me = (MouseEvent) e;
TreePath path = tree.getPathForLocation(me.getX(),
me.getY());
CategoryNode node = (CategoryNode)
path.getLastPathComponent();
rv = node.isLeaf() /*|| !inCheckBoxHitRegion(me)*/;
}
return rv;
}
public boolean inCheckBoxHitRegion(MouseEvent e) {
TreePath path = tree.getPathForLocation(e.getX(),
e.getY());
if (path == null) {
return false;
}
CategoryNode node = (CategoryNode) path.getLastPathComponent();
boolean rv = false;
if (true) {
// offset and lastRow DefaultTreeCellEditor
// protected members
Rectangle bounds = tree.getRowBounds(lastRow);
Dimension checkBoxOffset =
renderer.getCheckBoxOffset();
bounds.translate(offset + checkBoxOffset.width,
checkBoxOffset.height);
rv = bounds.contains(e.getPoint());
}
return true;
}
//--------------------------------------------------------------------------
// Protected Methods:
//--------------------------------------------------------------------------
protected boolean canEditImmediately(EventObject e) {
boolean rv = false;
if (e instanceof MouseEvent) {
MouseEvent me = (MouseEvent) e;
rv = inCheckBoxHitRegion(me);
}
return rv;
}
protected void determineOffset(JTree tree, Object value,
boolean isSelected, boolean expanded,
boolean leaf, int row) {
// Very important: means that the tree won't jump around.
offset = 0;
}
//--------------------------------------------------------------------------
// Private Methods:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Nested Top-Level Classes or Interfaces:
//--------------------------------------------------------------------------
}
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