/*
 * $Id: LayoutDemo.java,v 1.14 2005/10/31 13:44:37 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.event.*;
import java.net.URL;

import com.zfqjava.swing.CellLayout;
import com.zfqjava.swing.BoxLayout2;
import com.zfqjava.swing.JGridPane;
import com.zfqjava.swing.JCardPane;

import com.zfqjava.layout.*;
import com.zfqjava.swing.AnchorLayout;
import com.zfqjava.swing.JBean;
/**
 * CellLayout Demo
 *
 * @author $Author: zfq $
 * @version $Revision: 1.14 $ $Date: 2005/10/31 13:44:37 $
 */
public class LayoutDemo extends JPanel {
    private CellLayout cellLayout;
    public LayoutDemo() {
	setLayout(new BorderLayout());
	add(createLayoutPanel(), BorderLayout.CENTER);
	add(createEastPanel(), BorderLayout.EAST);
    }

    private JTabbedPane createLayoutPanel() {
	JTabbedPane pane = new JTabbedPane();
	pane.addTab("CellLayout", createCellLayoutPanel());
	pane.addTab("BoxLayout2 Demo", createBoxLayoutPanel());
	pane.addTab("GridLayout2 Demo", createGridLayoutPanel());
	pane.addTab("CardLayout2 Demo", createCardLayoutPanel());
        pane.addTab("AnchorLayout Demo", createLayoutLayoutPanel());
	return pane;
    }

    private JPanel createCellLayoutPanel() {
	JPanel p = new JPanel(new BorderLayout(5, 0));
	final JCardPane pane = new JCardPane();
	java.util.Vector l = new java.util.Vector();
	l.add("simple layout");
	pane.add(createPanel0());
	l.add("compose mail layout");
	pane.add(createPanel1());
	l.add("chat room layout");
	pane.add(createPanel2());
	l.add("option layout");
	pane.add(createPanel3());	
	final JList list = new JList(l);
	list.setSelectedIndex(0);
	pane.setSelectedIndex(0);
	list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
	list.addListSelectionListener(new ListSelectionListener() {
		public void valueChanged(ListSelectionEvent e) {
		    if(!(e.getValueIsAdjusting())) {
			pane.setSelectedIndex(list.getSelectedIndex());
		    }
		}
	    });
	p.add(new JScrollPane(list), BorderLayout.WEST);
	p.add(pane, BorderLayout.CENTER);
	return p;
    }

    private JPanel createPanel0() {
	CellLayout cellLayout = new CellLayout(7, 5, 6, 5);
	cellLayout.setColumnWeight(1, 1.0);
	JPanel panel = new JPanel(cellLayout);
	for(int i=0; i<6; i++) {
	    JLabel label = new JLabel("hello"+i);
	    panel.add(label, new CellLayout.Constraints(0, i));
	}
	for(int i=0; i<6; i++) {
	    JTextField field = new JTextField("world"+i, 9);
	    field.setAlignmentX(0.0f);
	    panel.add(field, new CellLayout.Constraints(1, i));
	}
	JLabel label = new JLabel("hello6");
	label.setAlignmentY(0.0f);
	panel.add(label, new CellLayout.Constraints(0, 6));
	JScrollPane scrollPane = new JScrollPane(new JList());
	scrollPane.setAlignmentX(0.0f);
	panel.add(scrollPane, new CellLayout.Constraints(1, 6));
	return panel;	
    }

    private JPanel createPanel1() {
	CellLayout cellLayout = new CellLayout(4, 2, 6, 5);
	cellLayout.setColumnWeight(1, 1.0);
	cellLayout.setRowWeight(3, 1.0);
	JPanel panel = new JPanel(cellLayout);
	panel.add(new JLabel("To:"), new CellLayout.Constraints(0, 0));
	panel.add(new JTextField(20), new CellLayout.Constraints(1, 0, FillMode.WIDTH));
	panel.add(new JLabel("Cc:"), new CellLayout.Constraints(0, 1));
	panel.add(new JTextField(20), new CellLayout.Constraints(1, 1, FillMode.WIDTH));
	panel.add(new JLabel("Subject:"), new CellLayout.Constraints(0, 2));
	panel.add(new JTextField(20), new CellLayout.Constraints(1, 2, FillMode.WIDTH));
	panel.add(new JScrollPane(new JTextArea(15, 20)), new CellLayout.Constraints(0, 3, 2, 1, FillMode.BOTH));
	return panel;
    }

    private JPanel createPanel2() {
	CellLayout cellLayout = new CellLayout(3, 2, 5, 5);
	cellLayout.setColumnWeight(0, 1.0);
	cellLayout.setRowWeight(1, 1.0);	
	JPanel panel = new JPanel(cellLayout);
	panel.add(new JLabel("Chat Room: xyz"), new CellLayout.Constraints(0, 0));
	panel.add(new JScrollPane(new JTextArea(15, 20)), new CellLayout.Constraints(0, 1, 2, 1, FillMode.BOTH));	
	panel.add(new JTextField(20), new CellLayout.Constraints(0, 2, FillMode.BOTH));
	panel.add(new JButton("Send"), new CellLayout.Constraints(1, 2));
	return panel;
    }

    private JPanel createPanel3() {
	CellLayout cellLayout = new CellLayout(4, 1, 6, 6);
	cellLayout.setColumnWeight(0, 1.0);	
	JPanel panel = new JPanel(cellLayout);
	JPanel option1 = new JPanel();
	option1.setBorder(BorderFactory.createTitledBorder("option1"));
	option1.add(new JLabel("hello"));
	panel.add(option1, new CellLayout.Constraints(0, 0, FillMode.WIDTH));
	JPanel option2 = new JPanel();
	option2.setBorder(BorderFactory.createTitledBorder("option2"));
	option2.add(new JLabel("hello"));
	panel.add(option2, new CellLayout.Constraints(0, 1, FillMode.WIDTH));
	JPanel option3 = new JPanel();
	option3.setBorder(BorderFactory.createTitledBorder("option3"));
	option3.add(new JLabel("hello"));
	panel.add(option3, new CellLayout.Constraints(0, 2, FillMode.WIDTH));
	JPanel option4 = new JPanel();
	option4.setBorder(BorderFactory.createTitledBorder("option4"));
	option4.add(new JLabel("hello"));
	panel.add(option4, new CellLayout.Constraints(0, 3, FillMode.WIDTH));	
	return panel;
    }
    
    private static int H_STRUT = 5;
    private static int V_STRUT = 5;

    private JPanel createBoxLayoutPanel() {
	JPanel panel = new JPanel();
	panel.setLayout(new BoxLayout2(panel, BoxLayout.Y_AXIS, true, false));
	
	JPanel boxPanel;
	boxPanel = new JPanel();
	boxPanel.setLayout(new BoxLayout2(boxPanel, BoxLayout.X_AXIS));
	boxPanel.setBorder(BorderFactory.createTitledBorder("X_AXIS left align"));	
	boxPanel.add(new JButton("ok"));
	boxPanel.add(Box.createHorizontalStrut(H_STRUT));
	boxPanel.add(new JButton("apply"));
	boxPanel.add(Box.createHorizontalStrut(H_STRUT));
	boxPanel.add(new JButton("cancel"));
	boxPanel.add(Box.createGlue());
	panel.add(boxPanel);

	boxPanel = new JPanel();
	boxPanel.setLayout(new BoxLayout2(boxPanel, BoxLayout.X_AXIS));
	boxPanel.setBorder(BorderFactory.createTitledBorder("X_AXIS center align"));
	boxPanel.add(Box.createGlue());
	boxPanel.add(new JButton("ok"));
	boxPanel.add(Box.createHorizontalStrut(H_STRUT));
	boxPanel.add(new JButton("apply"));
	boxPanel.add(Box.createHorizontalStrut(H_STRUT));
	boxPanel.add(new JButton("cancel"));
	boxPanel.add(Box.createGlue());	
	panel.add(boxPanel);

	boxPanel = new JPanel();
	boxPanel.setLayout(new BoxLayout2(boxPanel, BoxLayout.X_AXIS));
	boxPanel.setBorder(BorderFactory.createTitledBorder("X_AXIS right align"));
	boxPanel.add(Box.createGlue());
	boxPanel.add(new JButton("ok"));
	boxPanel.add(Box.createHorizontalStrut(H_STRUT));
	boxPanel.add(new JButton("apply"));
	boxPanel.add(Box.createHorizontalStrut(H_STRUT));
	boxPanel.add(new JButton("cancel"));
	panel.add(boxPanel);

	boxPanel = new JPanel();
	boxPanel.setLayout(new BoxLayout2(boxPanel, BoxLayout.X_AXIS));
	boxPanel.setBorder(BorderFactory.createTitledBorder("X_AXIS separate"));
	boxPanel.add(new JButton("help"));	
	boxPanel.add(Box.createGlue());
	boxPanel.add(new JButton("ok"));
	boxPanel.add(Box.createHorizontalStrut(H_STRUT));
	boxPanel.add(new JButton("apply"));
	boxPanel.add(Box.createHorizontalStrut(H_STRUT));
	boxPanel.add(new JButton("cancel"));
	panel.add(boxPanel);
	
	JPanel p = new JPanel();
	p.setLayout(new BorderLayout());
	
	boxPanel = new JPanel();
	boxPanel.setLayout(new BoxLayout2(boxPanel, BoxLayout.Y_AXIS));
	boxPanel.setBorder(BorderFactory.createTitledBorder("Y_AXIS top align"));	
	boxPanel.add(new JButton("ok"));
	boxPanel.add(Box.createVerticalStrut(V_STRUT));
	boxPanel.add(new JButton("apply"));
	boxPanel.add(Box.createVerticalStrut(V_STRUT));
	boxPanel.add(new JButton("cancel"));
	boxPanel.add(Box.createVerticalStrut(30));	
	p.add(boxPanel, BorderLayout.WEST);

	boxPanel = new JPanel();
	boxPanel.setLayout(new BoxLayout2(boxPanel, BoxLayout.Y_AXIS));
	boxPanel.setBorder(BorderFactory.createTitledBorder("Y_AXIS center align"));
	boxPanel.add(Box.createGlue());	
	boxPanel.add(new JButton("ok"));
	boxPanel.add(Box.createVerticalStrut(V_STRUT));
	boxPanel.add(new JButton("apply"));
	boxPanel.add(Box.createVerticalStrut(V_STRUT));
	boxPanel.add(new JButton("cancel"));
	boxPanel.add(Box.createGlue());
	for(int i=0; i<boxPanel.getComponentCount(); i++) {
	    Component comp = boxPanel.getComponent(i);
	    if(comp instanceof JComponent) {
		((JComponent)comp).setAlignmentX(0.5f);
	    }
	}
	p.add(boxPanel);

	boxPanel = new JPanel();
	boxPanel.setLayout(new BoxLayout2(boxPanel, BoxLayout.Y_AXIS));
	boxPanel.setBorder(BorderFactory.createTitledBorder("Y_AXIS bottom align"));
	boxPanel.add(Box.createGlue());	
	boxPanel.add(new JButton("ok"));
	boxPanel.add(Box.createVerticalStrut(V_STRUT));
	boxPanel.add(new JButton("apply"));
	boxPanel.add(Box.createVerticalStrut(V_STRUT));
	boxPanel.add(new JButton("cancel"));
	p.add(boxPanel, BorderLayout.EAST);
	panel.add(p);
	return panel;
    }

    private JPanel createGridLayoutPanel() {
	JPanel panel = new JPanel();
	panel.setLayout(new BorderLayout());
	JDesktopPane desktop = new JDesktopPane();
	JGridPane gridPane = new JGridPane(0, 2);
	addToolButtons(gridPane);
	JInternalFrame frame = new JInternalFrame("Demo", true);
	frame.putClientProperty("JInternalFrame.isPalette", Boolean.TRUE);
	frame.getContentPane().setLayout(new BorderLayout());	
	frame.getContentPane().add(gridPane);
	desktop.add(frame);
	frame.pack();
	frame.setLocation(0, 20);
	frame.show();
	panel.add(desktop, BorderLayout.CENTER);
	return panel;
    }

    private void addToolButtons(Container c) {
	loadAllIcons();
	c.add(new JToggleButton(newIcon));
	c.add(new JToggleButton(openIcon));
	c.add(new JToggleButton(saveIcon));
	c.add(new JToggleButton(undoIcon));
	c.add(new JToggleButton(redoIcon));
	c.add(new JToggleButton(rowDeleteIcon));
	c.add(new JToggleButton(rowInsertBeforeIcon));
	c.add(new JToggleButton(rowInsertAfterIcon));
	c.add(new JToggleButton(columnDeleteIcon));
	c.add(new JToggleButton(columnInsertBeforeIcon));
	c.add(new JToggleButton(columnInsertAfterIcon));
	c.add(new JToggleButton(mergeIcon));
	c.add(new JToggleButton(splitIcon));	
    }
    private void loadAllIcons() {
	newIcon = getIcon("resources/New16.gif");
	openIcon = getIcon("resources/Open16.gif");
	saveIcon = getIcon("resources/Save16.gif");
	undoIcon = getIcon("resources/Undo16.gif");
	redoIcon = getIcon("resources/Redo16.gif");	
	rowDeleteIcon = getIcon("resources/RowDelete16.gif");
	rowInsertBeforeIcon = getIcon("resources/RowInsertBefore16.gif");
	rowInsertAfterIcon = getIcon("resources/RowInsertAfter16.gif");
	columnDeleteIcon = getIcon("resources/ColumnDelete16.gif");
	columnInsertBeforeIcon = getIcon("resources/ColumnInsertBefore16.gif");
	columnInsertAfterIcon = getIcon("resources/ColumnInsertAfter16.gif");
	mergeIcon = getIcon("resources/Merge16.gif");
	splitIcon = getIcon("resources/Split16.gif");
    }
    
    private Icon getIcon(String name) {
	return new ImageIcon(getResource(name));
    }

    private URL getResource(String name) {
	URL url = getClass().getResource(name);
	return url;
    }
    private Icon newIcon;
    private Icon openIcon;
    private Icon saveIcon;
    private Icon undoIcon;
    private Icon redoIcon;
    private Icon rowDeleteIcon;
    private Icon rowInsertBeforeIcon;
    private Icon rowInsertAfterIcon;
    private Icon columnDeleteIcon;
    private Icon columnInsertBeforeIcon;
    private Icon columnInsertAfterIcon;
    private Icon mergeIcon;
    private Icon splitIcon;
    
    private JPanel createCardLayoutPanel() {
	JPanel panel = new JPanel();
	panel.setLayout(new BorderLayout());
	JCardPane cardPane = new JCardPane();
	for(int i=1; i<5; i++) {
	    cardPane.add(createButton(""+i));
	}
	cardPane.setSelectedIndex(0);	
	panel.add(cardPane, BorderLayout.CENTER);
	return panel;
    }

    private JButton createButton(String text) {
	JButton b = new JButton(text);
	b.addActionListener(getActionListener());
	return b;
    }
    private ActionListener actionlistener;
    private ActionListener getActionListener() {
	if(actionlistener == null) {
	    actionlistener = new ButtonActionListener();
	}
	return actionlistener;
    }

    private static class ButtonActionListener implements ActionListener {
	public void actionPerformed(ActionEvent e) {
	    JButton b = (JButton)e.getSource();
	    JCardPane pane = (JCardPane)b.getParent();
	    int index = pane.indexOfComponent(b);
	    int n = pane.getComponentCount();
	    if(index <0 || (index == n-1)) {
		pane.setSelectedIndex(0);
	    } else {
		pane.setSelectedIndex(index+1);
	    }
	}
    }
    private JPanel createLayoutLayoutPanel() {
        JPanel panel = new JPanel();
        panel.setLayout(new AnchorLayout());
        panel.add(new JButton("North West"), AnchorLayout.Location.NW);
        panel.add(new JButton("North East"), AnchorLayout.Location.NE);
        panel.add(new JButton("South West"), AnchorLayout.Location.SW);
        panel.add(new JButton("South East"), AnchorLayout.Location.SE);
        return panel;
    }
    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();
	return panel;
    }
    
    public static void main(String[] args) {
	DemoPanel demoPanel = new DemoPanel();
	demoPanel.addDemo(new LayoutDemo());
	demoPanel.setTitle("Layout Demo");
	demoPanel.setDefaultCloseOperation(JBean.EXIT_ON_CLOSE);
	demoPanel.showFrame();
    }
}