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javax.swing.plaf.basic

Class BasicBorders.SplitPaneBorder

Enclosing Class:
BasicBorders
Implemented Interfaces:
Border, UIResource
public static class BasicBorders.SplitPaneBorder
extends Object
implements Border, UIResource
A border for JSplitPanes in the Basic look and feel. The divider in the middle of the JSplitPane has its own border class, of which an instance can be obtained with getSplitPaneDividerBorder().

[A screen shot for JSplitPane.HORIZONTAL_SPLIT]

[A screen shot for JSplitPane.VERTICAL_SPLIT]

In contrast to the other borders of the Basic look and feel, this class is not serializable. While this might be unintended, GNU Classpath follows the specification in order to be fully compatible with the Sun reference implementation.

In the Sun JDK, the bottom edge of the divider also gets painted if the orientation of the enclosed JSplitPane is JSplitPane.VERTICAL_SPLIT (at least in versions 1.3.1 and 1.4.1). GNU Classpath does not replicate this bug. A report has been filed with Sun (bug ID 4885629).

Note that the bottom left pixel of the border has a different color depending on the orientation of the enclosed JSplitPane. Although this is visually inconsistent, Classpath replicates the appearance of the Sun reference implementation. A bug report has been filed with Sun (review ID 188774).

See Also:
getSplitPaneBorder(), getSplitPaneDividerBorder()

Field Summary

protected Color
highlight
The color for drawing the bottom and right edges of the border.
protected Color
shadow
The color for drawing the top and left edges of the border.

Constructor Summary

SplitPaneBorder(Color highlight, Color shadow)
Constructs a new border for drawing a JSplitPane in the Basic look and feel.

Method Summary

Insets
getBorderInsets(Component c)
Measures the width of this border.
boolean
isBorderOpaque()
Determines whether this border fills every pixel in its area when painting.
void
paintBorder(Component c, Graphics g, int x, int y, int width, int height)
Paints the border around a JSplitPane.

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

highlight

protected Color highlight
The color for drawing the bottom and right edges of the border.

shadow

protected Color shadow
The color for drawing the top and left edges of the border.

Constructor Details

SplitPaneBorder

public SplitPaneBorder(Color highlight,
                       Color shadow)
Constructs a new border for drawing a JSplitPane in the Basic look and feel. The divider in the middle of the JSplitPane has its own border class, SplitPaneDividerBorder.
Parameters:
highlight - the highlight color.
shadow - the shadow color.

Method Details

getBorderInsets

public Insets getBorderInsets(Component c)
Measures the width of this border.
Specified by:
getBorderInsets in interface Border
Parameters:
c - the component whose border is to be measured, usually an instance of JSplitPane.
Returns:
an Insets object whose left, right, top and bottom fields indicate the width of the border at the respective edge.

isBorderOpaque

public boolean isBorderOpaque()
Determines whether this border fills every pixel in its area when painting.
Specified by:
isBorderOpaque in interface Border
Returns:
false because this border does not paint over the pixels where the divider joins the border.

paintBorder

public void paintBorder(Component c,
                        Graphics g,
                        int x,
                        int y,
                        int width,
                        int height)
Paints the border around a JSplitPane.

[A screen shot for JSplitPane.HORIZONTAL_SPLIT]

[A screen shot for JSplitPane.VERTICAL_SPLIT]

Specified by:
paintBorder in interface Border
Parameters:
c - the JSplitPane whose border is to be painted.
g - the graphics for painting.
x - the horizontal position for painting the border.
y - the vertical position for painting the border.
width - the width of the available area for painting the border.
height - the height of the available area for painting the border.
BasicBorders.java -- Copyright (C) 2003, 2004, 2005 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.

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