org.apache.log4j.lf5.viewer.categoryexplorer.CategoryImmediateEditor Maven / Gradle / Ivy
/*
* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.log4j.lf5.viewer.categoryexplorer;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.util.EventObject;
import javax.swing.Icon;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellEditor;
import javax.swing.tree.TreePath;
/**
* 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:
//--------------------------------------------------------------------------
}