| /* MetalSplitPaneDivider.java |
| Copyright (C) 2005, 2006, Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package javax.swing.plaf.metal; |
| |
| import java.awt.Color; |
| import java.awt.Component; |
| import java.awt.Container; |
| import java.awt.Dimension; |
| import java.awt.Graphics; |
| import java.awt.LayoutManager; |
| import java.awt.Point; |
| |
| import javax.swing.JSplitPane; |
| import javax.swing.SwingConstants; |
| import javax.swing.UIManager; |
| import javax.swing.border.Border; |
| import javax.swing.plaf.basic.BasicArrowButton; |
| import javax.swing.plaf.basic.BasicSplitPaneDivider; |
| |
| /** |
| * The divider that is used by the {@link MetalSplitPaneUI}. |
| * |
| * @author Roman Kennke (roman@kennke.org) |
| */ |
| class MetalSplitPaneDivider extends BasicSplitPaneDivider |
| { |
| /** The dark color in the pattern. */ |
| Color dark; |
| |
| /** The light color in the pattern. */ |
| Color light; |
| |
| /** The JSplitPane the divider is on. */ |
| JSplitPane splitPane; |
| |
| /** The split pane orientation. */ |
| int orientation; |
| |
| /** |
| * Creates a new instance of <code>MetalSplitPaneDivider</code>. |
| * |
| * @param ui the <code>MetalSplitPaneUI</code> that uses this divider |
| */ |
| public MetalSplitPaneDivider(MetalSplitPaneUI ui, Color light, Color dark) |
| { |
| super(ui); |
| setLayout(new MetalDividerLayout()); |
| this.splitPane = super.splitPane; |
| this.orientation = super.orientation; |
| this.light = light; |
| this.dark = dark; |
| } |
| |
| /** |
| * Paints the divider. |
| * |
| * @param g the <code>Graphics</code> context to use for painting |
| */ |
| public void paint(Graphics g) |
| { |
| Dimension s = getSize(); |
| |
| if (splitPane.hasFocus()) |
| { |
| g.setColor(UIManager.getColor("SplitPane.dividerFocusColor")); |
| g.fillRect(0, 0, s.width, s.height); |
| } |
| |
| // Paint border if one exists. |
| Border border = getBorder(); |
| if (border != null) |
| border.paintBorder(this, g, 0, 0, s.width, s.height); |
| |
| MetalUtils.fillMetalPattern(splitPane, g, 2, 2, s.width - 4, s.height - 4, |
| light, dark); |
| if (splitPane.isOneTouchExpandable()) |
| { |
| ((BasicArrowButton) rightButton).paint(g); |
| ((BasicArrowButton) leftButton).paint(g); |
| } |
| } |
| |
| /** |
| * This helper class acts as the Layout Manager for the divider. |
| */ |
| public class MetalDividerLayout implements LayoutManager |
| { |
| /** The right button. */ |
| BasicArrowButton rb; |
| |
| /** The left button. */ |
| BasicArrowButton lb; |
| |
| /** |
| * Creates a new DividerLayout object. |
| */ |
| public MetalDividerLayout() |
| { |
| // Nothing to do here |
| } |
| |
| /** |
| * This method is called when a Component is added. |
| * |
| * @param string The constraints string. |
| * @param c The Component to add. |
| */ |
| public void addLayoutComponent(String string, Component c) |
| { |
| // Nothing to do here, constraints are set depending on |
| // orientation in layoutContainer |
| } |
| |
| /** |
| * This method is called to lay out the container. |
| * |
| * @param c The container to lay out. |
| */ |
| public void layoutContainer(Container c) |
| { |
| // The only components we care about setting up are the |
| // one touch buttons. |
| if (splitPane.isOneTouchExpandable()) |
| { |
| if (c.getComponentCount() == 2) |
| { |
| Component c1 = c.getComponent(0); |
| Component c2 = c.getComponent(1); |
| if ((c1 instanceof BasicArrowButton) |
| && (c2 instanceof BasicArrowButton)) |
| { |
| lb = (BasicArrowButton) c1; |
| rb = (BasicArrowButton) c2; |
| } |
| } |
| if (rb != null && lb != null) |
| { |
| Point p = getLocation(); |
| lb.setSize(lb.getPreferredSize()); |
| rb.setSize(rb.getPreferredSize()); |
| lb.setLocation(p.x, p.y); |
| |
| if (orientation == JSplitPane.HORIZONTAL_SPLIT) |
| { |
| rb.setDirection(SwingConstants.EAST); |
| lb.setDirection(SwingConstants.WEST); |
| rb.setLocation(p.x, p.y + lb.getHeight()); |
| } |
| else |
| { |
| rb.setDirection(SwingConstants.SOUTH); |
| lb.setDirection(SwingConstants.NORTH); |
| rb.setLocation(p.x + lb.getWidth(), p.y); |
| } |
| } |
| } |
| } |
| |
| /** |
| * This method returns the minimum layout size. |
| * |
| * @param c The container to calculate for. |
| * |
| * @return The minimum layout size. |
| */ |
| public Dimension minimumLayoutSize(Container c) |
| { |
| return preferredLayoutSize(c); |
| } |
| |
| /** |
| * This method returns the preferred layout size. |
| * |
| * @param c The container to calculate for. |
| * |
| * @return The preferred layout size. |
| */ |
| public Dimension preferredLayoutSize(Container c) |
| { |
| int dividerSize = getDividerSize(); |
| return new Dimension(dividerSize, dividerSize); |
| } |
| |
| /** |
| * This method is called when a component is removed. |
| * |
| * @param c The component to remove. |
| */ |
| public void removeLayoutComponent(Component c) |
| { |
| // Nothing to do here. If buttons are removed |
| // they will not be layed out when layoutContainer is |
| // called. |
| } |
| } |
| } |