/*
* 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 javax.swing.*;
import javax.swing.tree.DefaultTreeCellRenderer;
import java.awt.*;
import java.net.URL;
/**
* CategoryNodeRenderer
*
* @author Michael J. Sikorsky
* @author Robert Shaw
*/
// Contributed by ThoughtWorks Inc.
public class CategoryNodeRenderer extends DefaultTreeCellRenderer {
private static final long serialVersionUID = -6046702673278595048L;
//--------------------------------------------------------------------------
// Constants:
//--------------------------------------------------------------------------
public static final Color FATAL_CHILDREN = new Color(189, 113, 0);
//--------------------------------------------------------------------------
// Protected Variables:
//--------------------------------------------------------------------------
protected JCheckBox _checkBox = new JCheckBox();
protected JPanel _panel = new JPanel();
protected static ImageIcon _sat = null;
// protected JLabel _label = new JLabel();
//--------------------------------------------------------------------------
// Private Variables:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Constructors:
//--------------------------------------------------------------------------
public CategoryNodeRenderer() {
_panel.setBackground(UIManager.getColor("Tree.textBackground"));
if (_sat == null) {
// Load the satellite image.
String resource =
"/org/apache/log4j/lf5/viewer/images/channelexplorer_satellite.gif";
URL satURL = getClass().getResource(resource);
_sat = new ImageIcon(satURL);
}
setOpaque(false);
_checkBox.setOpaque(false);
_panel.setOpaque(false);
// The flowlayout set to LEFT is very important so that the editor
// doesn't jump around.
_panel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
_panel.add(_checkBox);
_panel.add(this);
setOpenIcon(_sat);
setClosedIcon(_sat);
setLeafIcon(_sat);
}
//--------------------------------------------------------------------------
// Public Methods:
//--------------------------------------------------------------------------
public Component getTreeCellRendererComponent(
JTree tree, Object value,
boolean selected, boolean expanded,
boolean leaf, int row,
boolean hasFocus) {
CategoryNode node = (CategoryNode) value;
//FileNode node = (FileNode)value;
//String s = tree.convertValueToText(value, selected,
// expanded, leaf, row, hasFocus);
super.getTreeCellRendererComponent(
tree, value, selected, expanded,
leaf, row, hasFocus);
if (row == 0) {
// Root row -- no check box
_checkBox.setVisible(false);
} else {
_checkBox.setVisible(true);
_checkBox.setSelected(node.isSelected());
}
String toolTip = buildToolTip(node);
_panel.setToolTipText(toolTip);
if (node.hasFatalChildren()) {
this.setForeground(FATAL_CHILDREN);
}
if (node.hasFatalRecords()) {
this.setForeground(Color.red);
}
return _panel;
}
public Dimension getCheckBoxOffset() {
return new Dimension(0, 0);
}
//--------------------------------------------------------------------------
// Protected Methods:
//--------------------------------------------------------------------------
protected String buildToolTip(CategoryNode node) {
StringBuffer result = new StringBuffer();
result.append(node.getTitle()).append(" contains a total of ");
result.append(node.getTotalNumberOfRecords());
result.append(" LogRecords.");
result.append(" Right-click for more info.");
return result.toString();
}
//--------------------------------------------------------------------------
// Private Methods:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Nested Top-Level Classes or Interfaces:
//--------------------------------------------------------------------------
}
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