8f523f3a10
* sources.am: Regenerated.
* Makefile.in: Likewise.
* scripts/makemake.tcl: Use glob -nocomplain.
From-SVN: r107049
252 lines
6.8 KiB
Java
252 lines
6.8 KiB
Java
/* BasicSeparatorUI.java --
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing.plaf.basic;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.Rectangle;
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import javax.swing.JComponent;
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import javax.swing.JSeparator;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.plaf.ComponentUI;
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import javax.swing.plaf.SeparatorUI;
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/**
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* The Basic Look and Feel UI delegate for JSeparator.
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*/
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public class BasicSeparatorUI extends SeparatorUI
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{
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/** The shadow color. */
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protected Color shadow;
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/** The highlight color. */
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protected Color highlight;
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/**
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* Creates a new UI delegate for the given JComponent.
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*
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* @param c The JComponent to create a delegate for.
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*
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* @return A new BasicSeparatorUI.
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*/
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public static ComponentUI createUI(JComponent c)
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{
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return new BasicSeparatorUI();
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}
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/**
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* This method installs the UI for the given JComponent.
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* This can include installing defaults, listeners, and
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* initializing any instance data.
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*
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* @param c The JComponent that is having this UI installed.
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*/
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public void installUI(JComponent c)
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{
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super.installUI(c);
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if (c instanceof JSeparator)
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{
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JSeparator s = (JSeparator) c;
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installDefaults(s);
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installListeners(s);
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}
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}
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/**
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* Uninstalls the UI for the given JComponent. This
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* method reverses what was done when installing
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* the UI on the JComponent.
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*
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* @param c The JComponent that is having this UI uninstalled.
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*/
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public void uninstallUI(JComponent c)
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{
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if (c instanceof JSeparator)
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{
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JSeparator s = (JSeparator) c;
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uninstallListeners(s);
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uninstallDefaults(s);
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}
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}
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/**
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* This method installs the defaults that are given by
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* the Basic Look and Feel.
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*
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* @param s The JSeparator that is being installed.
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*/
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protected void installDefaults(JSeparator s)
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{
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shadow = UIManager.getColor("Separator.shadow");
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highlight = UIManager.getColor("Separator.highlight");
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s.setOpaque(false);
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}
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/**
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* This method removes the defaults that were given
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* by the Basic Look and Feel.
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*
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* @param s The JSeparator that is being uninstalled.
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*/
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protected void uninstallDefaults(JSeparator s)
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{
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shadow = null;
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highlight = null;
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}
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/**
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* This method installs any listeners that need
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* to be attached to the JSeparator or any of its
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* components.
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*
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* @param s The JSeparator that is being installed.
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*/
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protected void installListeners(JSeparator s)
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{
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// Separators don't receive events.
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}
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/**
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* This method uninstalls any listeners that
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* were installed during the install UI process.
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*
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* @param s The JSeparator that is being uninstalled.
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*/
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protected void uninstallListeners(JSeparator s)
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{
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// Separators don't receive events.
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}
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/**
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* The separator is made of two lines. The top line will be
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* the shadow color (or left line if it's vertical). The bottom
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* or right line will be the highlight color. The two lines will
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* be centered inside the bounds box. If the separator is horizontal,
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* then it will be vertically centered, or if it's vertical, it will
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* be horizontally centered.
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*
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* @param g The Graphics object to paint with
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* @param c The JComponent to paint.
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*/
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public void paint(Graphics g, JComponent c)
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{
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Rectangle r = new Rectangle();
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SwingUtilities.calculateInnerArea(c, r);
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Color saved = g.getColor();
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JSeparator s;
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if (c instanceof JSeparator)
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s = (JSeparator) c;
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else
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return;
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if (s.getOrientation() == JSeparator.HORIZONTAL)
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{
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int midAB = r.height / 2;
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g.setColor(shadow);
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g.drawLine(r.x, r.y + midAB - 1, r.x + r.width, r.y + midAB - 1);
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g.setColor(highlight);
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g.fillRect(r.x, r.y + midAB, r.x + r.width, r.y + midAB);
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}
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else
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{
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int midAD = r.height / 2 + r.y;
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g.setColor(shadow);
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g.drawLine(r.x, r.y, r.x, r.y + r.height);
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g.setColor(highlight);
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g.fillRect(r.x + midAD, r.y + r.height, r.x + midAD, r.y + r.height);
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}
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g.setColor(saved);
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}
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/**
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* This method returns the preferred size of the
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* JComponent.
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*
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* @param c The JComponent to measure.
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*
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* @return The preferred size.
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*/
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public Dimension getPreferredSize(JComponent c)
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{
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Dimension pref = new Dimension(2, 0);
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if (c instanceof JSeparator)
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{
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JSeparator s = (JSeparator) c;
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if (s.getOrientation() == JSeparator.HORIZONTAL)
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pref = new Dimension(0, 2);
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}
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return pref;
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}
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/**
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* This method returns the minimum size of the
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* JComponent.
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*
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* @param c The JComponent to measure.
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*
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* @return The minimum size.
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*/
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public Dimension getMinimumSize(JComponent c)
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{
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return new Dimension(0, 0);
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}
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/**
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* This method returns the maximum size of the
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* JComponent.
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*
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* @param c The JComponent to measure.
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*
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* @return The maximum size.
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*/
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public Dimension getMaximumSize(JComponent c)
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{
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return new Dimension(Short.MAX_VALUE,
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Short.MAX_VALUE);
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}
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}
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