/* * @(#)SynthSeparatorUI.java	1.14 03/12/19 * * Copyright 2004 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */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;import sun.swing.plaf.synth.SynthUI;/** * A Synth L&F implementation of SeparatorUI.  This implementation  * is a "combined" view/controller. * * @version 1.14 12/19/03 * @author Shannon Hickey * @author Joshua Outwater */class SynthSeparatorUI extends SeparatorUI implements PropertyChangeListener,                                    SynthUI {    private SynthStyle style;    public static ComponentUI createUI(JComponent c) {        return new SynthSeparatorUI();    }        public void installUI(JComponent c) {        installDefaults((JSeparator)c);        installListeners((JSeparator)c);    }    public void uninstallDefaults(JComponent c) {        uninstallListeners((JSeparator)c);        uninstallDefaults((JSeparator)c);    }    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();    }    public void uninstallDefaults(JSeparator c) {        SynthContext context = getContext(c, ENABLED);        style.uninstallDefaults(context);        context.dispose();        style = null;    }        public void installListeners(JSeparator c) {        c.addPropertyChangeListener(this);    }        public void uninstallListeners(JSeparator c) {        c.removePropertyChangeListener(this);    }        public void update(Graphics g, JComponent c) {        SynthContext context = getContext(c);        SynthLookAndFeel.update(context, g);        context.getPainter().paintSeparatorBackground(context,                          g, 0, 0, c.getWidth(), c.getHeight());        paint(context, g);        context.dispose();    }    public void paint(Graphics g, JComponent c) {        SynthContext context = getContext(c);        paint(context, g);        context.dispose();    }    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());    }        public void paintBorder(SynthContext context, Graphics g, int x,                            int y, int w, int h) {        context.getPainter().paintSeparatorBorder(context, g, x, y, w, h);    }    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;    }        public Dimension getMinimumSize(JComponent c) {        return getPreferredSize(c);    }        public Dimension getMaximumSize(JComponent c) {        return new Dimension(Short.MAX_VALUE, Short.MAX_VALUE);    }        public SynthContext getContext(JComponent c) {        return getContext(c, getComponentState(c));    }    private SynthContext getContext(JComponent c, int state) {        return SynthContext.getContext(SynthContext.class, c,                    SynthLookAndFeel.getRegion(c), style, state);    }    private Region getRegion(JComponent c) {        return SynthLookAndFeel.getRegion(c);    }    private int getComponentState(JComponent c) {        return SynthLookAndFeel.getComponentState(c);    }        public void propertyChange(PropertyChangeEvent evt) {        if (SynthLookAndFeel.shouldUpdateStyle(evt)) {            updateStyle((JSeparator)evt.getSource());        }    }}