/* Copyright (C) 2001, 2007 United States Government as represented by
the Administrator of the National Aeronautics and Space Administration.
All Rights Reserved.
*/
package gov.nasa.worldwind.layers.rpf.wizard;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import java.awt.*;
import java.awt.event.*;
import java.util.Collection;
import java.util.Map;
import java.util.HashMap;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeEvent;
/**
* @author dcollins
* @version $Id: DataChooserPanel.java 4856 2008-03-28 23:41:31Z dcollins $
*/
public class DataChooserPanel extends JPanel
{
private JLabel title;
private JLabel description;
// Logical data components.
private Collection<FileSet> fileSetList;
private PropertyEvents propertyEvents;
private Map<FileSet, JToggleButton> selectButtons;
// Data UI components.
private JComponent dataPanel;
private JButton selectAllButton;
private JButton deselectAllButton;
private JScrollPane dataScrollPane;
private JLabel dataDescription;
public DataChooserPanel()
{
this.propertyEvents = new PropertyEvents();
makeComponents();
layoutComponents();
}
public String getTitle()
{
return this.title.getText();
}
public void setTitle(String title)
{
this.title.setText(title);
}
public String getDescription()
{
return this.description.getText();
}
public void setDescription(String description)
{
this.description.setText(description);
}
public String getDataDescription()
{
return this.dataDescription.getText();
}
public void setDataDescription(String dataDescription)
{
this.dataDescription.setText(dataDescription);
}
public void setFileSetList(Collection<FileSet> fileSetList)
{
removeListeners(this.fileSetList);
this.fileSetList = fileSetList;
addListeners(this.fileSetList);
this.selectButtons = new HashMap<FileSet, JToggleButton>();
if (fileSetList != null && fileSetList.size() > 0)
{
Box box = Box.createVerticalBox();
for (FileSet set : fileSetList)
{
JCheckBox checkBox = new JCheckBox();
checkBox.putClientProperty("fileSet", set);
checkBox.setSelected(set.isSelected());
checkBox.setText(makeTitle(set));
checkBox.setAlignmentX(Component.LEFT_ALIGNMENT);
checkBox.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
fileSetClicked(e);
}
});
box.add(checkBox);
this.selectButtons.put(set, checkBox);
}
this.dataScrollPane.setViewportView(box);
this.dataPanel.setVisible(true);
}
else
{
this.dataScrollPane.setViewportView(null);
this.dataPanel.setVisible(false);
}
this.dataPanel.validate();
fileSetSelectionChanged(null);
}
private String makeTitle(FileSet set)
{
String title = null;
if (set != null)
{
StringBuilder sb = new StringBuilder();
sb.append("<html>");
if (set.getTitle() != null)
sb.append(set.getTitle());
else if (set.getIdentifier() != null)
sb.append(set.getIdentifier());
else
sb.append("Various");
int fileCount = set.getFileCount();
if (fileCount > 0)
{
sb.append("<font size=\"-2\">");
if (sb.length() > 0)
sb.append(" - ");
sb.append(String.format("%,d", fileCount)).append(" file").append(fileCount > 1 ? "s" : "");
sb.append("</font>");
}
sb.append("</html>");
title = sb.toString();
}
return title;
}
private void fileSetClicked(ItemEvent e)
{
if (e != null)
{
FileSet set = null;
if (e.getItem() != null && e.getItem() instanceof JComponent)
{
Object property = ((JComponent) e.getItem()).getClientProperty("fileSet");
if (property != null && property instanceof FileSet)
set = (FileSet) property;
}
if (set != null)
{
if (e.getStateChange() == ItemEvent.SELECTED)
set.setSelected(true);
else if (e.getStateChange() == ItemEvent.DESELECTED)
set.setSelected(false);
}
}
}
private void setAllSelected(boolean b)
{
if (this.fileSetList != null)
{
for (FileSet set : this.fileSetList)
{
set.setSelected(b);
}
}
}
private void selectAllPressed()
{
setAllSelected(true);
}
private void deselectAllPressed()
{
setAllSelected(false);
}
private void fileSetSelectionChanged(Object source)
{
// Make sure the CheckBox selection reflects the FileSet selection state.
if (source != null && source instanceof FileSet)
{
FileSet set = (FileSet) source;
JToggleButton button = this.selectButtons.get(set);
if (button != null)
button.setSelected(set.isSelected());
}
// Enable "Select All" and "Select None" only when necessary.
boolean allSelected = true;
boolean anySelected = false;
if (this.fileSetList != null)
{
for (FileSet set : this.fileSetList)
{
allSelected &= set.isSelected();
anySelected |= set.isSelected();
}
}
this.selectAllButton.setEnabled(!allSelected);
this.deselectAllButton.setEnabled(anySelected);
}
private void addListeners(Collection<FileSet> fileSetList)
{
if (fileSetList != null)
{
for (FileSet set : fileSetList)
{
set.addPropertyChangeListener(this.propertyEvents);
}
}
}
private void removeListeners(Collection<FileSet> fileSetList)
{
if (fileSetList != null)
{
for (FileSet set : fileSetList)
{
set.removePropertyChangeListener(this.propertyEvents);
}
}
}
private class PropertyEvents implements PropertyChangeListener {
public void propertyChange(PropertyChangeEvent evt) {
if (evt != null && evt.getPropertyName() != null) {
String propertyName = evt.getPropertyName();
if (propertyName.equals(FileSet.SELECTED)) {
fileSetSelectionChanged(evt.getSource());
firePropertyChange(propertyName, null, evt.getSource());
}
}
}
}
private void makeComponents()
{
this.title = new JLabel(" ");
this.title.setBackground(Color.gray);
this.title.setOpaque(true);
this.description = new JLabel();
this.dataPanel = Box.createVerticalBox();
this.selectAllButton = new JButton("Select All");
this.deselectAllButton = new JButton("Select None");
Font font = this.selectAllButton.getFont();
font = new Font(font.getName(), font.getStyle(), 9);
Dimension size = new Dimension(35, 20);
this.selectAllButton.setFont(font);
this.selectAllButton.setPreferredSize(size);
this.selectAllButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
selectAllPressed();
}
});
this.deselectAllButton.setFont(font);
this.deselectAllButton.setPreferredSize(size);
this.deselectAllButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
deselectAllPressed();
}
});
this.dataScrollPane = new JScrollPane();
this.dataScrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
size = this.dataScrollPane.getPreferredSize();
this.dataScrollPane.setPreferredSize(new Dimension(size.width, Short.MAX_VALUE));
this.dataScrollPane.setOpaque(false);
this.dataScrollPane.getViewport().setOpaque(false);
this.dataDescription = new JLabel(" ");
}
private void layoutComponents()
{
setLayout(new BorderLayout());
JPanel p = new JPanel();
p.setLayout(new BorderLayout());
p.setBackground(this.title.getBackground());
this.title.setBorder(new EmptyBorder(10, 10, 10, 10));
p.add(this.title, BorderLayout.WEST);
p.add(new JSeparator(), BorderLayout.SOUTH);
add(p, BorderLayout.NORTH);
Box b = Box.createVerticalBox();
b.setBorder(new EmptyBorder(10, 10, 10, 10));
this.description.setAlignmentX(Component.LEFT_ALIGNMENT);
b.add(this.description);
b.add(Box.createVerticalStrut(10));
this.dataPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
Box b2 = Box.createHorizontalBox();
b2.setAlignmentX(Component.LEFT_ALIGNMENT);
b2.add(this.selectAllButton);
b2.add(Box.createHorizontalStrut(2));
b2.add(new JSeparator(SwingConstants.VERTICAL));
b2.add(Box.createHorizontalStrut(2));
b2.add(this.deselectAllButton);
b2.add(Box.createHorizontalStrut(Short.MAX_VALUE));
this.dataPanel.add(b2);
this.dataPanel.add(Box.createVerticalStrut(5));
this.dataScrollPane.setAlignmentX(Component.LEFT_ALIGNMENT);
this.dataPanel.add(this.dataScrollPane);
b.add(this.dataPanel);
b.add(Box.createVerticalStrut(5));
this.dataPanel.setVisible(false);
this.dataDescription.setAlignmentX(Component.LEFT_ALIGNMENT);
b.add(this.dataDescription);
add(b, BorderLayout.CENTER);
}
}