/*
 * $Id: ListViewDemo.java,v 1.11 2005/11/17 04:12:32 zfq Exp $
 *
 * Copyright (C) 2001-2003 Extreme Component, Inc. All rights reserved.
 * Use is subject to license terms. 
 */

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.table.TableModel;
import javax.swing.filechooser.*;

import java.io.File;

import com.zfqjava.swing.JListView;
import com.zfqjava.swing.model.FileTableModel;
import com.zfqjava.swing.cell.FileCellRenderer;
import com.zfqjava.swing.cell.FileCellEditor;
import com.zfqjava.swing.JBean;
import com.zfqjava.swing.plaf.basic.BasicListViewUI;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
/**
 * JListView Demo
 *
 * @author $Author: zfq $
 * @version $Revision: 1.11 $ $Date: 2005/11/17 04:12:32 $
 */
public class ListViewDemo extends JPanel {

    private JListView listView;
    
    public ListViewDemo() {
	UIManager.put("FileView.directoryIcon", new ImageIcon(getClass().getResource("resources/Folder16.gif")));
	UIManager.put("FileView.fileIcon", new ImageIcon(getClass().getResource("resources/File16.gif")));
	setLayout(new BorderLayout());
	listView = createListView();
	add(listView, BorderLayout.CENTER);
	add(createEastPanel(), BorderLayout.EAST);
    }

    private JListView createListView() {
	final JListView listView = new JListView(createTableModel());
	listView.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    listView.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
		    Runnable runner = new Runnable() {
			    public void run() {
				Object o = listView.getSelectedValue();
				if(o instanceof File) {
				    File f = (File)o;
				    if(f.isDirectory()) {
					listView.setListData(new FileTableModel(f));
					listView.setCursor(Cursor.getDefaultCursor());
					return;
				    } 
				} 
				listView.setCursor(Cursor.getDefaultCursor());
			    }
			};
		    SwingUtilities.invokeLater(runner);		    
		    System.out.println("action fires: " + e.getActionCommand());
		}
	    });
	listView.setCellRenderer(new FileCellRenderer());
	listView.setCellEditor(new FileCellEditor());
        listView.setDragEnabled(true);
	return listView;
    }
    
    private TableModel createTableModel() {
	return new FileTableModel(new File(System.getProperty("user.home")));
    }

    private JPanel createEastPanel() {
	JPanel panel = new JPanel();
	panel.setLayout(new BorderLayout());
	panel.add(createPropertyPanel(), BorderLayout.NORTH);
	return panel;
    }

    private JPanel createPropertyPanel() {
	JPanel panel = new JPanel();

	Border titledBorder = BorderFactory.createTitledBorder("Change Property");
	Border emptyBorder = BorderFactory.createEmptyBorder(12, 12, 12, 12);
	panel.setBorder(BorderFactory.createCompoundBorder(titledBorder, emptyBorder));
	GridBagLayout gridbag = new GridBagLayout();
	GridBagConstraints c = new GridBagConstraints();
	panel.setLayout(gridbag);

	c.weightx = 0.5;
	c.weighty = 0.5;
	c.fill = GridBagConstraints.HORIZONTAL;
	c.anchor = GridBagConstraints.WEST;
	c.insets = new Insets(0, 0, 5, 0);
	
	JLabel label = new JLabel("View Mode: ");
	addPanel(panel, c, label);
	
	Object[] viewModes = { "Small Icon", "Large Icon", "List", "Thumbnails", "Details" };
	final JComboBox viewModeCB = new JComboBox(viewModes);
	viewModeCB.setSelectedIndex(1); // default view mode
	viewModeCB.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    String mode = (String)viewModeCB.getSelectedItem();
		    if(mode.equals("Small Icon")) {
			listView.setViewMode(JListView.SMALL_ICON_VIEW_MODE);
		    } else if(mode.equals("Large Icon")) {
			listView.setViewMode(JListView.LARGE_ICON_VIEW_MODE);
		    } else if(mode.equals("List")) {
			listView.setViewMode(JListView.LIST_VIEW_MODE);
		    } else if(mode.equals("Thumbnails")) {
			listView.setViewMode(JListView.THUMBNAILS_VIEW_MODE);
		    } else if(mode.equals("Details")) {
			listView.setViewMode(JListView.DETAILS_VIEW_MODE);
		    }
		}
	    });
	label.setLabelFor(viewModeCB);
	c.gridwidth = GridBagConstraints.REMAINDER;
	addPanel(panel, c, viewModeCB);

	JButton b = new JButton("Choose Directory");
	b.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    JFileChooser fc = new JFileChooser(System.getProperty("user.home"));
		    fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
		    int retValue = fc.showOpenDialog(null);
		    if(retValue == JFileChooser.APPROVE_OPTION) {
		    	TableModel model = new FileTableModel(fc.getSelectedFile());
			listView.setListData(model);
		    }
		}
	    });
	addPanel(panel, c, b);
	c.gridwidth = GridBagConstraints.REMAINDER;

	b = new JButton("Choose Background Image");
	b.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    JFileChooser fc = new JFileChooser(System.getProperty("user.home"));
		    fc.setFileSelectionMode(JFileChooser.FILES_ONLY);
		    int retValue = fc.showOpenDialog(null);
		    if(retValue == JFileChooser.APPROVE_OPTION) {
		    	File file = fc.getSelectedFile();
			if(file != null) {
			    try {
				Image img = new ImageIcon(file.toURL()).getImage();
				listView.putClientProperty("JListView.backgroundImage", img);
			    } catch (Exception ex) {
				JOptionPane.showMessageDialog(null, ex);
			    }
			}
		    }
		}
	    });
	addPanel(panel, c, b);
	c.gridwidth = GridBagConstraints.REMAINDER;
	
	b = new JButton("Show Desktop");
	b.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    File desktop = FileSystemView.getFileSystemView().getHomeDirectory();
		    JListView listView = createListView();
		    listView.putClientProperty("JListView.backgroundImage", ListViewDemo.this.listView.getClientProperty("JListView.backgroundImage"));
		    // listView.setViewMode(ListViewDemo.this.listView.getViewMode());
		    listView.setViewMode(JListView.LARGE_ICON_VIEW_MODE);
		    listView.putClientProperty("JListView.layoutOrientation", new Integer(1));
		    listView.setListData(new FileTableModel(desktop));
		    listView.setBackground(SystemColor.desktop);
		    listView.setForeground(SystemColor.textText);
		    listView.setBorder(new EmptyBorder(0, 0, 0, 0));
		    Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
		    JWindow w = new JWindow();
		    w.getContentPane().add(listView);
		    w.pack();
		    w.setSize(d);
		    w.show();
		}
	    });
	addPanel(panel, c, b);		
	return panel;
    }

    private static void addPanel(Container container, GridBagConstraints c, Component component) {
	GridBagLayout gridbag = (GridBagLayout)container.getLayout();
	gridbag.setConstraints(component, c);
	container.add(component);
    }

    public static void main(String[] args) {
	DemoPanel demoPanel = new DemoPanel();
	demoPanel.addDemo(new ListViewDemo());
	demoPanel.setTitle("JListView Demo");
	demoPanel.setDefaultCloseOperation(JBean.EXIT_ON_CLOSE);
	demoPanel.showFrame();
    }
}