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	/*
	* Copyright (c) 2002, 2013, 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 javax.swing.plaf.synth;

	import java.beans.*;
	import javax.swing.*;
	import java.awt.Dimension;
	import java.awt.Graphics;
	import java.awt.Insets;
	import javax.swing.plaf.ComponentUI;
	import javax.swing.plaf.SeparatorUI;
	import javax.swing.plaf.UIResource;
	import javax.swing.plaf.DimensionUIResource;

	/**
	* Provides the Synth L&F UI delegate for
	* {@link javax.swing.JSeparator}.
	*
	* @author Shannon Hickey
	* @author Joshua Outwater
	* @since 1.7
	*/
	public class SynthSeparatorUI extends SeparatorUI
	implements PropertyChangeListener, SynthUI {
	private SynthStyle style;

	/**
	* Creates a new UI object for the given component.
	*
	* @param c component to create UI object for
	* @return the UI object
	*/
	public static ComponentUI createUI(JComponent c) {
	return new SynthSeparatorUI();
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public void installUI(JComponent c) {
	installDefaults((JSeparator)c);
	installListeners((JSeparator)c);
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public void uninstallUI(JComponent c) {
	uninstallListeners((JSeparator)c);
	uninstallDefaults((JSeparator)c);
	}

	/**
	* Installs default setting. This method is called when a
	* {@code LookAndFeel} is installed.
	*/
	public void installDefaults(JSeparator c) {
	updateStyle(c);
	}

	private void updateStyle(JSeparator sep) {
	SynthContext context = getContext(sep, ENABLED);
	SynthStyle oldStyle = style;

	style = SynthLookAndFeel.updateStyle(context, this);

	if (style != oldStyle) {
	if (sep instanceof JToolBar.Separator) {
	Dimension size = ((JToolBar.Separator)sep).getSeparatorSize();
	if (size == null \|\| size instanceof UIResource) {
	size = (DimensionUIResource)style.get(
	context, "ToolBar.separatorSize");
	if (size == null) {
	size = new DimensionUIResource(10, 10);
	}
	((JToolBar.Separator)sep).setSeparatorSize(size);
	}
	}
	}

	context.dispose();
	}

	/**
	* Uninstalls default setting. This method is called when a
	* {@code LookAndFeel} is uninstalled.
	*/
	public void uninstallDefaults(JSeparator c) {
	SynthContext context = getContext(c, ENABLED);

	style.uninstallDefaults(context);
	context.dispose();
	style = null;
	}

	/**
	* Installs listeners. This method is called when a
	* {@code LookAndFeel} is installed.
	*/
	public void installListeners(JSeparator c) {
	c.addPropertyChangeListener(this);
	}

	/**
	* Uninstalls listeners. This method is called when a
	* {@code LookAndFeel} is uninstalled.
	*/
	public void uninstallListeners(JSeparator c) {
	c.removePropertyChangeListener(this);
	}

	/**
	* Notifies this UI delegate to repaint the specified component.
	* This method paints the component background, then calls
	* the {@link #paint(SynthContext,Graphics)} method.
	*
	* <p>In general, this method does not need to be overridden by subclasses.
	* All Look and Feel rendering code should reside in the {@code paint} method.
	*
	* @param g the {@code Graphics} object used for painting
	* @param c the component being painted
	* @see #paint(SynthContext,Graphics)
	*/
	@Override
	public void update(Graphics g, JComponent c) {
	SynthContext context = getContext(c);

	JSeparator separator = (JSeparator)context.getComponent();
	SynthLookAndFeel.update(context, g);
	context.getPainter().paintSeparatorBackground(context,
	g, 0, 0, c.getWidth(), c.getHeight(),
	separator.getOrientation());
	paint(context, g);
	context.dispose();
	}

	/**
	* Paints the specified component according to the Look and Feel.
	* <p>This method is not used by Synth Look and Feel.
	* Painting is handled by the {@link #paint(SynthContext,Graphics)} method.
	*
	* @param g the {@code Graphics} object used for painting
	* @param c the component being painted
	* @see #paint(SynthContext,Graphics)
	*/
	@Override
	public void paint(Graphics g, JComponent c) {
	SynthContext context = getContext(c);

	paint(context, g);
	context.dispose();
	}

	/**
	* Paints the specified component.
	*
	* @param context context for the component being painted
	* @param g the {@code Graphics} object used for painting
	* @see #update(Graphics,JComponent)
	*/
	protected void paint(SynthContext context, Graphics g) {
	JSeparator separator = (JSeparator)context.getComponent();
	context.getPainter().paintSeparatorForeground(context, g, 0, 0,
	separator.getWidth(), separator.getHeight(),
	separator.getOrientation());
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public void paintBorder(SynthContext context, Graphics g, int x,
	int y, int w, int h) {
	JSeparator separator = (JSeparator)context.getComponent();
	context.getPainter().paintSeparatorBorder(context, g, x, y, w, h,
	separator.getOrientation());
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public Dimension getPreferredSize(JComponent c) {
	SynthContext context = getContext(c);

	int thickness = style.getInt(context, "Separator.thickness", 2);
	Insets insets = c.getInsets();
	Dimension size;

	if (((JSeparator)c).getOrientation() == JSeparator.VERTICAL) {
	size = new Dimension(insets.left + insets.right + thickness,
	insets.top + insets.bottom);
	} else {
	size = new Dimension(insets.left + insets.right,
	insets.top + insets.bottom + thickness);
	}
	context.dispose();
	return size;
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public Dimension getMinimumSize(JComponent c) {
	return getPreferredSize(c);
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public Dimension getMaximumSize(JComponent c) {
	return new Dimension(Short.MAX_VALUE, Short.MAX_VALUE);
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public SynthContext getContext(JComponent c) {
	return getContext(c, SynthLookAndFeel.getComponentState(c));
	}

	private SynthContext getContext(JComponent c, int state) {
	return SynthContext.getContext(c, style, state);
	}

	public void propertyChange(PropertyChangeEvent evt) {
	if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
	updateStyle((JSeparator)evt.getSource());
	}
	}
	}

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