/**
* $RCSfile: ,v $
* $Revision: $
* $Date: $
*
* Copyright (C) 2004-2011 Jive Software. All rights reserved.
*
* Licensed 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.jivesoftware.spark.component;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import javax.swing.Icon;
import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTree;
import javax.swing.UIManager;
import javax.swing.plaf.ColorUIResource;
import javax.swing.tree.TreeCellRenderer;
/**
* Swing Renderer for <code>CheckNode</code>.
*
* @author Derek DeMoro
*/
public class CheckRenderer extends JPanel implements TreeCellRenderer {
private static final long serialVersionUID = 687507314190933733L;
private JCheckBox check;
private TreeLabel label;
/**
* Create new CheckRenderer.
*/
public CheckRenderer() {
setLayout(null);
add(check = new JCheckBox());
add(label = new TreeLabel());
check.setBackground(UIManager.getColor("Tree.textBackground"));
label.setForeground(UIManager.getColor("Tree.textForeground"));
}
public Component getTreeCellRendererComponent(JTree tree, Object value,
boolean isSelected, boolean expanded,
boolean leaf, int row, boolean hasFocus) {
String stringValue = tree.convertValueToText(value, isSelected,
expanded, leaf, row, hasFocus);
setEnabled(tree.isEnabled());
check.setSelected(((CheckNode)value).isSelected());
label.setFont(tree.getFont());
label.setText(stringValue);
label.setSelected(isSelected);
label.setFocus(hasFocus);
if (leaf) {
Icon icon = ((CheckNode)value).getIcon();
label.setIcon(icon);
}
else if (expanded) {
label.setIcon(UIManager.getIcon("Tree.openIcon"));
}
else {
label.setIcon(UIManager.getIcon("Tree.closedIcon"));
}
return this;
}
public Dimension getPreferredSize() {
Dimension d_check = new Dimension(30, 30);
Dimension d_label = label.getPreferredSize();
return new Dimension(d_check.width + d_label.width,
d_check.height < d_label.height ? d_label.height : d_check.height);
}
public void doLayout() {
Dimension d_check = check.getPreferredSize();
Dimension d_label = label.getPreferredSize();
int y_check = 0;
int y_label = 0;
if (d_check.height < d_label.height) {
y_check = (d_label.height - d_check.height) / 2;
}
else {
y_label = (d_check.height - d_label.height) / 2;
}
check.setLocation(0, y_check);
check.setBounds(0, y_check, d_check.width, d_check.height);
label.setLocation(d_check.width, y_label);
label.setBounds(d_check.width, y_label, d_label.width, d_label.height);
}
public void setBackground(Color color) {
if (color instanceof ColorUIResource)
color = null;
super.setBackground(color);
}
/**
* Represents one UI node for the checkbox node.
*/
public class TreeLabel extends JLabel {
private static final long serialVersionUID = -6367572474576692556L;
boolean isSelected;
boolean hasFocus;
/**
* Empty Constructor.
*/
public TreeLabel() {
}
public void setBackground(Color color) {
if (color instanceof ColorUIResource)
color = null;
super.setBackground(color);
}
public void paint(Graphics g) {
String str;
if ((str = getText()) != null) {
if (0 < str.length()) {
if (isSelected) {
g.setColor(UIManager.getColor("Tree.selectionBackground"));
}
else {
g.setColor(UIManager.getColor("Tree.textBackground"));
}
Dimension d = getPreferredSize();
int imageOffset = 0;
Icon currentI = getIcon();
if (currentI != null) {
imageOffset = currentI.getIconWidth() + Math.max(0, getIconTextGap() - 1);
}
g.fillRect(imageOffset, 0, d.width - 1 - imageOffset, d.height);
if (hasFocus) {
g.setColor(UIManager.getColor("Tree.selectionBorderColor"));
g.drawRect(imageOffset, 0, d.width - 1 - imageOffset, d.height - 1);
}
}
}
super.paint(g);
}
public Dimension getPreferredSize() {
Dimension retDimension = super.getPreferredSize();
if (retDimension != null) {
retDimension = new Dimension(retDimension.width + 3,
retDimension.height);
}
return retDimension;
}
/**
* Set to true to select the node.
*
* @param isSelected true if the node should be selected.
*/
public void setSelected(boolean isSelected) {
this.isSelected = isSelected;
}
/**
* Sets focus on the node.
*
* @param hasFocus true if the node has focus.
*/
public void setFocus(boolean hasFocus) {
this.hasFocus = hasFocus;
}
}
}