/*
 * Copyright (c) 2005-2008 Substance Kirill Grouchnikov. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 *  o Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer. 
 *     
 *  o Redistributions in binary form must reproduce the above copyright notice, 
 *    this list of conditions and the following disclaimer in the documentation 
 *    and/or other materials provided with the distribution. 
 *     
 *  o Neither the name of Substance Kirill Grouchnikov nor the names of 
 *    its contributors may be used to endorse or promote products derived 
 *    from this software without specific prior written permission. 
 *     
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */
package test.check;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JCheckBox;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ScrollPaneConstants;
import javax.swing.border.LineBorder;

import org.pushingpixels.lafwidget.LafWidget;
import org.pushingpixels.lafwidget.preview.DefaultPreviewPainter;
import org.pushingpixels.substance.api.SubstanceLookAndFeel;

import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.layout.FormLayout;

import test.Check;

/**
 * Test application panel for testing {@link JScrollPane} component.
 * 
 * @author Kirill Grouchnikov
 */
public class ScrollPanel extends ControllablePanel {
	/**
	 * Scroll panel.
	 */
	private JScrollPane sp;

	/**
	 * The inner panel.
	 */
	private JPanel panel;

	/**
	 * Creates the scroll panel for the test application.
	 */
	public ScrollPanel() {
		this.panel = new CheckeredPanel();
		this.sp = new JScrollPane(this.panel,
				ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
				ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
		this.setLayout(new BorderLayout());
		this.add(this.sp, BorderLayout.CENTER);

		FormLayout lm = new FormLayout("right:pref, 4dlu, fill:pref:grow", "");
		DefaultFormBuilder builder = new DefaultFormBuilder(lm,
				new ScrollablePanel());

		builder.appendSeparator("General settings");
		final JCheckBox isEnabled = new JCheckBox("is enabled");
		isEnabled.setSelected(true);
		isEnabled.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				boolean toEnable = isEnabled.isSelected();
				sp.setEnabled(toEnable);
				updateEnabledState(sp, toEnable);
				Check.out("Scroll pane is " + toEnable);
			}
		});
		builder.append("Enabled", isEnabled);

		final JCheckBox hasNullBorder = new JCheckBox("Has null border");
		hasNullBorder.setSelected(false);
		hasNullBorder.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if (hasNullBorder.isSelected())
					sp.setBorder(null);
				else
					sp.setBorder(new LineBorder(Color.red));
				sp.repaint();
			}
		});
		builder.append("Border", hasNullBorder);

		final JCheckBox hasPreview = new JCheckBox("Has preview");
		hasPreview.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				sp.putClientProperty(LafWidget.COMPONENT_PREVIEW_PAINTER,
						hasPreview.isSelected() ? new DefaultPreviewPainter()
								: null);
			}
		});
		builder.append("Preview", hasPreview);

		final JCheckBox hasAutoScroll = new JCheckBox("Has auto scroll");
		hasAutoScroll.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				sp.putClientProperty(LafWidget.AUTO_SCROLL, hasAutoScroll
						.isSelected() ? Boolean.TRUE : null);
			}
		});
		builder.append("Auto scroll", hasAutoScroll);

		builder.appendSeparator("Scroll buttons settings");

		final JCheckBox isFlat = new JCheckBox("Is flat");
		isFlat.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				sp.putClientProperty(SubstanceLookAndFeel.FLAT_PROPERTY, isFlat
						.isSelected() ? Boolean.TRUE : null);
				sp.repaint();
			}
		});
		builder.append("Flat", isFlat);

		final JCheckBox isNever = new JCheckBox("Is never painted");
		isNever.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				sp.putClientProperty(
						SubstanceLookAndFeel.BUTTON_PAINT_NEVER_PROPERTY,
						isNever.isSelected() ? Boolean.TRUE : null);
				sp.repaint();
			}
		});
		builder.append("Never", isNever);

		this.controlPanel = builder.getPanel();
	}

	/**
	 * Recursively updates the enabled state of the specified container and its
	 * children.
	 * 
	 * @param c
	 *            Container.
	 * @param enabled
	 *            New value for the enabled status.
	 */
	void updateEnabledState(Container c, boolean enabled) {
		for (int counter = c.getComponentCount() - 1; counter >= 0; counter--) {
			Component child = c.getComponent(counter);

			child.setEnabled(enabled);
			if (child instanceof Container) {
				updateEnabledState((Container) child, enabled);
			}
		}
	}
}