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	/*
	* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	package sun.tools.jconsole;

	import java.awt.*;
	import java.awt.event.*;
	import java.beans.*;

	import javax.swing.*;
	import javax.swing.border.*;
	import javax.swing.text.*;

	import static javax.swing.JOptionPane.*;

	@SuppressWarnings("serial")
	public final class SheetDialog {
	// Reusable objects
	private static Rectangle iconR = new Rectangle();
	private static Rectangle textR = new Rectangle();
	private static Rectangle viewR = new Rectangle();
	private static Insets viewInsets = new Insets(0, 0, 0, 0);

	/** Don't let anyone instantiate this class */
	private SheetDialog() {
	}

	static JOptionPane showOptionDialog(final VMPanel vmPanel, Object message,
	int optionType, int messageType,
	Icon icon, Object[] options, Object initialValue) {

	JRootPane rootPane = SwingUtilities.getRootPane(vmPanel);
	JPanel glassPane = (JPanel)rootPane.getGlassPane();

	if (!(glassPane instanceof SlideAndFadeGlassPane)) {
	glassPane = new SlideAndFadeGlassPane();
	glassPane.setName(rootPane.getName()+".glassPane");
	rootPane.setGlassPane(glassPane);
	rootPane.revalidate();
	}

	final SlideAndFadeGlassPane safGlassPane = (SlideAndFadeGlassPane)glassPane;

	// Workaround for the fact that JOptionPane does not handle
	// limiting the width when using multi-line html messages.
	// See Swing bug 5074006 and JConsole bug 6426317
	message = fixWrapping(message, rootPane.getWidth() - 75); // Leave room for icon

	final SheetOptionPane optionPane = new SheetOptionPane(message, messageType, optionType,
	icon, options, initialValue);

	optionPane.setComponentOrientation(vmPanel.getComponentOrientation());
	optionPane.addPropertyChangeListener(new PropertyChangeListener() {
	public void propertyChange(PropertyChangeEvent event) {
	if (event.getPropertyName().equals(VALUE_PROPERTY) &&
	event.getNewValue() != null &&
	event.getNewValue() != UNINITIALIZED_VALUE) {
	((SlideAndFadeGlassPane)optionPane.getParent()).hide(optionPane);
	}
	}
	});

	// Delay this (even though we're already on the EDT)
	EventQueue.invokeLater(new Runnable() {
	public void run() {
	safGlassPane.show(optionPane);
	}
	});

	return optionPane;
	}

	private static Object fixWrapping(Object message, final int maxWidth) {
	if (message instanceof Object[]) {
	Object[] arr = (Object[])message;
	for (int i = 0; i < arr.length; i++) {
	arr[i] = fixWrapping(arr[i], maxWidth);
	}
	} else if (message instanceof String &&
	((String)message).startsWith("<html>")) {
	message = new JLabel((String)message) {
	public Dimension getPreferredSize() {
	String text = getText();
	Insets insets = getInsets(viewInsets);
	FontMetrics fm = getFontMetrics(getFont());
	Dimension pref = super.getPreferredSize();
	Dimension min = getMinimumSize();

	iconR.x = iconR.y = iconR.width = iconR.height = 0;
	textR.x = textR.y = textR.width = textR.height = 0;
	int dx = insets.left + insets.right;
	int dy = insets.top + insets.bottom;
	viewR.x = dx;
	viewR.y = dy;
	viewR.width = viewR.height = Short.MAX_VALUE;

	View v = (View)getClientProperty("html");
	if (v != null) {
	// Use pref width if less than 300, otherwise
	// min width up to size of window.
	int w = Math.min(maxWidth,
	Math.min(pref.width,
	Math.max(min.width, 300)));
	v.setSize((float)w, 0F);

	SwingUtilities.layoutCompoundLabel(this, fm, text, null,
	getVerticalAlignment(),
	getHorizontalAlignment(),
	getVerticalTextPosition(),
	getHorizontalTextPosition(),
	viewR, iconR, textR,
	getIconTextGap());
	return new Dimension(textR.width + dx,
	textR.height + dy);
	} else {
	return pref; // Should not happen
	}
	}
	};
	}
	return message;
	}

	private static class SlideAndFadeGlassPane extends JPanel {
	SheetOptionPane optionPane;

	int fade = 20;
	boolean slideIn = true;

	SlideAndFadeGlassPane() {
	super(null);
	setVisible(false);
	setOpaque(false);

	// Grab mouse input, making the dialog modal
	addMouseListener(new MouseAdapter() {});
	}

	public void show(SheetOptionPane optionPane) {
	this.optionPane = optionPane;
	removeAll();
	add(optionPane);
	setVisible(true);
	slideIn = true;
	revalidate();
	repaint();
	doSlide();
	}

	public void hide(SheetOptionPane optionPane) {
	if (optionPane != this.optionPane) {
	return;
	}

	slideIn = false;
	revalidate();
	repaint();
	doSlide();
	}

	private void doSlide() {
	if (optionPane.getParent() == null) {
	return;
	}

	if (optionPane.getWidth() == 0) {
	optionPane.setSize(optionPane.getPreferredSize());
	}

	int glassPaneWidth = getWidth();
	if (glassPaneWidth == 0 && getParent() != null) {
	glassPaneWidth = getParent().getWidth();
	}

	int x = (glassPaneWidth - optionPane.getWidth()) / 2;

	if (!slideIn) {
	remove(optionPane);
	setVisible(false);
	return;
	} else {
	optionPane.setLocation(x, 0);
	setGrayLevel(fade);
	return;
	}
	}

	public void setGrayLevel(int gray) {
	gray = gray * 255 / 100;
	setBackground(new Color(0, 0, 0, gray));
	}

	public void paint(Graphics g) {
	g.setColor(getBackground());
	g.fillRect(0, 0, getWidth(), getHeight());
	super.paint(g);
	}
	}



	static class SheetOptionPane extends JOptionPane {
	SheetOptionPane(Object message, int messageType, int optionType,
	Icon icon, Object[] options, Object initialValue) {
	super(message, messageType, optionType, icon, options, initialValue);

	setBorder(new CompoundBorder(new LineBorder(new Color(204, 204, 204), 1),
	new EmptyBorder(4, 4, 4, 4)));
	}


	private static Composite comp =
	AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.8F);

	private static Color bgColor = new Color(241, 239, 239);

	public void setVisible(boolean visible) {
	SlideAndFadeGlassPane glassPane = (SlideAndFadeGlassPane)getParent();
	if (glassPane != null) {
	if (visible) {
	glassPane.show(this);
	} else {
	glassPane.hide(this);
	}
	}
	}

	public void paint(Graphics g) {
	Graphics2D g2d = (Graphics2D)g;
	Composite oldComp = g2d.getComposite();
	g2d.setComposite(comp);
	Color oldColor = g2d.getColor();
	g2d.setColor(bgColor);
	g2d.fillRect(0, 0, getWidth(), getHeight());
	g2d.setColor(oldColor);
	g2d.setComposite(oldComp);
	super.paint(g);
	}
	}

	}

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