?? treesortdemo.java
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/* * This source code is part of TWaver 1.3.1 * * SERVA Software PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * Copyright 2000-2005 SERVA Software, Inc. All rights reserved. */package demo.tree;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Comparator;
import javax.swing.ButtonGroup;
import javax.swing.Icon;
import javax.swing.JCheckBox;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import twaver.Element;
import twaver.Generator;
import twaver.TDataBox;
import twaver.tree.TTree;
import twaver.tree.TTreeCellIcon;
import demo.DemoPane;
class CustomTreeIcon extends TTreeCellIcon{
public CustomTreeIcon(Element element) {
super(element);
}
protected Icon getElementIcon(){
final String delta = (String)this.getElement().getClientProperty(DataFactory.Delta);
final Icon deltaIcon = DataFactory.getIcon(delta);
final Icon elementIcon = super.getElementIcon();
if(deltaIcon == null){
return elementIcon;
}
Icon icon = new Icon(){
public int getIconHeight() {
return Math.max(deltaIcon.getIconHeight(), elementIcon.getIconHeight());
}
public int getIconWidth() {
if(DataFactory.twoIcon(delta)){
return deltaIcon.getIconWidth() * 2 + elementIcon.getIconWidth();
}else{
return deltaIcon.getIconWidth() + elementIcon.getIconWidth();
}
}
public void paintIcon(Component c, Graphics g, int x, int y) {
elementIcon.paintIcon(c, g, x, y);
x += elementIcon.getIconWidth();
deltaIcon.paintIcon(c, g, x, y);
x += deltaIcon.getIconWidth();
if(DataFactory.twoIcon(delta)){
deltaIcon.paintIcon(c, g, x, y);
}
}
};
return icon;
}
}
public class TreeSortDemo extends DemoPane implements ActionListener{
private TDataBox box = new TDataBox(this.getTitle());
private TTree tree = new TTree(box);
private ButtonGroup group = new ButtonGroup();
private JPanel sortPanel = new JPanel(new FlowLayout());
private JCheckBox ascend = new JCheckBox("ASCEND");
private String sortKey = null;
public TreeSortDemo(){
this.setLayout(new BorderLayout());
this.add(new JScrollPane(tree), BorderLayout.CENTER);
this.add(sortPanel, BorderLayout.NORTH);
DataFactory.createData(box);
tree.setElementLabelGenerator(new Generator(){
public Object generate(Object object) {
Element element = (Element)object;
return "<html>" +
"<font color=blue>" + element.getClientProperty(DataFactory.Language) + "</font> " +
"<font color=red>P2005:" + element.getClientProperty(DataFactory.PositionDec2005) + "</font> " +
"<font color=green>P2004:" + element.getClientProperty(DataFactory.PositionDec2004) + "</font> " +
"<font color=black>R2005:" + element.getClientProperty(DataFactory.RatingsDec2005) + "</font> " +
"<font color=blue>D2004:" + element.getClientProperty(DataFactory.DeltaDec2004) + "</font> " +
"<font color=red>Status:" + element.getClientProperty(DataFactory.Status) + "</font> " +
"</html>";
}
});
tree.setElementIconGenerator(new Generator(){
public Object generate(Object object) {
Element element = (Element)object;
return new CustomTreeIcon(element);
}
});
ascend.addActionListener(this);
sortPanel.add(ascend);
addRadioButton(DataFactory.Delta).setForeground(Color.BLACK);
addRadioButton(DataFactory.Language).setForeground(Color.BLUE);
addRadioButton(DataFactory.PositionDec2005).setForeground(Color.RED);
addRadioButton(DataFactory.PositionDec2004).setForeground(Color.GREEN);
addRadioButton(DataFactory.RatingsDec2005).setForeground(Color.BLACK);
addRadioButton(DataFactory.DeltaDec2004).setForeground(Color.BLUE);
addRadioButton(DataFactory.Status).setForeground(Color.red);
tree.setSortComparator(new Comparator(){
public int compare(Object o1, Object o2) {
if(sortKey == null){
return 0;
}
Element e1 = (Element)o1;
Element e2 = (Element)o2;
Object v1 = e1.getClientProperty(sortKey);
Object v2 = e2.getClientProperty(sortKey);
if(v1 instanceof Comparable && v2 instanceof Comparable){
Comparable c1 = (Comparable)v1;
Comparable c2 = (Comparable)v2;
if(ascend.isSelected()){
return c1.compareTo(c2);
}else{
return -c1.compareTo(c2);
}
}
return 0;
}
});
}
private JRadioButton addRadioButton(String key){
JRadioButton button = new JRadioButton(key);
button.addActionListener(this);
group.add(button);
sortPanel.add(button);
return button;
}
public String getTitle() {
return "Tree Sort Demo";
}
public String getHelp() {
return "This demo creates a sortable tree and you can change sort ruler.";
}
public void actionPerformed(ActionEvent e) {
if(e.getSource() instanceof JRadioButton){
JRadioButton button = (JRadioButton)e.getSource();
this.sortKey = button.getText();
}
this.tree.updateTViewUI();
}
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