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MetalSplitPaneDivider
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bumps: MetalBumps
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focusBumps: MetalBumps
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inset: int
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controlColor: Color
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primaryControlColor: Color
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MetalSplitPaneDivider(BasicSplitPaneUI): void
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paint(Graphics): void
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createLeftOneTouchButton(): JButton
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maybeMakeButtonOpaque(JComponent): void
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createRightOneTouchButton(): JButton
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MetalDividerLayout
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getOneTouchSizeFromSuper(): int
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getOneTouchOffsetFromSuper(): int
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getOrientationFromSuper(): int
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getSplitPaneFromSuper(): JSplitPane
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getLeftButtonFromSuper(): JButton
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getRightButtonFromSuper(): JButton
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/*
* Copyright (c) 1998, 2014, 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.metal;
import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.basic.*;
Metal's split pane divider
Warning:
Serialized objects of this class will not be compatible with
future Swing releases. The current serialization support is
appropriate for short term storage or RMI between applications running
the same version of Swing. As of 1.4, support for long term storage
of all JavaBeans™
has been added to the java.beans package. Please see XMLEncoder.
Author: Steve Wilson, Ralph kar
/**
* Metal's split pane divider
* <p>
* <strong>Warning:</strong>
* Serialized objects of this class will not be compatible with
* future Swing releases. The current serialization support is
* appropriate for short term storage or RMI between applications running
* the same version of Swing. As of 1.4, support for long term storage
* of all JavaBeans™
* has been added to the <code>java.beans</code> package.
* Please see {@link java.beans.XMLEncoder}.
*
* @author Steve Wilson
* @author Ralph kar
*/
@SuppressWarnings("serial") // Same-version serialization only
class MetalSplitPaneDivider extends BasicSplitPaneDivider
{
private MetalBumps bumps = new MetalBumps(10, 10,
MetalLookAndFeel.getControlHighlight(),
MetalLookAndFeel.getControlDarkShadow(),
MetalLookAndFeel.getControl() );
private MetalBumps focusBumps = new MetalBumps(10, 10,
MetalLookAndFeel.getPrimaryControlHighlight(),
MetalLookAndFeel.getPrimaryControlDarkShadow(),
UIManager.getColor("SplitPane.dividerFocusColor"));
private int inset = 2;
private Color controlColor = MetalLookAndFeel.getControl();
private Color primaryControlColor = UIManager.getColor(
"SplitPane.dividerFocusColor");
public MetalSplitPaneDivider(BasicSplitPaneUI ui) {
super(ui);
}
public void paint(Graphics g) {
MetalBumps usedBumps;
if (splitPane.hasFocus()) {
usedBumps = focusBumps;
g.setColor(primaryControlColor);
}
else {
usedBumps = bumps;
g.setColor(controlColor);
}
Rectangle clip = g.getClipBounds();
Insets insets = getInsets();
g.fillRect(clip.x, clip.y, clip.width, clip.height);
Dimension size = getSize();
size.width -= inset * 2;
size.height -= inset * 2;
int drawX = inset;
int drawY = inset;
if (insets != null) {
size.width -= (insets.left + insets.right);
size.height -= (insets.top + insets.bottom);
drawX += insets.left;
drawY += insets.top;
}
usedBumps.setBumpArea(size);
usedBumps.paintIcon(this, g, drawX, drawY);
super.paint(g);
}
Creates and return an instance of JButton that can be used to
collapse the left component in the metal split pane.
/**
* Creates and return an instance of JButton that can be used to
* collapse the left component in the metal split pane.
*/
protected JButton createLeftOneTouchButton() {
JButton b = new JButton() {
// Sprite buffer for the arrow image of the left button
int[][] buffer = {{0, 0, 0, 2, 2, 0, 0, 0, 0},
{0, 0, 2, 1, 1, 1, 0, 0, 0},
{0, 2, 1, 1, 1, 1, 1, 0, 0},
{2, 1, 1, 1, 1, 1, 1, 1, 0},
{0, 3, 3, 3, 3, 3, 3, 3, 3}};
public void setBorder(Border b) {
}
public void paint(Graphics g) {
JSplitPane splitPane = getSplitPaneFromSuper();
if(splitPane != null) {
int oneTouchSize = getOneTouchSizeFromSuper();
int orientation = getOrientationFromSuper();
int blockSize = Math.min(getDividerSize(),
oneTouchSize);
// Initialize the color array
Color[] colors = {
this.getBackground(),
MetalLookAndFeel.getPrimaryControlDarkShadow(),
MetalLookAndFeel.getPrimaryControlInfo(),
MetalLookAndFeel.getPrimaryControlHighlight()};
// Fill the background first ...
g.setColor(this.getBackground());
if (isOpaque()) {
g.fillRect(0, 0, this.getWidth(),
this.getHeight());
}
// ... then draw the arrow.
if (getModel().isPressed()) {
// Adjust color mapping for pressed button state
colors[1] = colors[2];
}
if(orientation == JSplitPane.VERTICAL_SPLIT) {
// Draw the image for a vertical split
for (int i=1; i<=buffer[0].length; i++) {
for (int j=1; j<blockSize; j++) {
if (buffer[j-1][i-1] == 0) {
continue;
}
else {
g.setColor(
colors[buffer[j-1][i-1]]);
}
g.drawLine(i, j, i, j);
}
}
}
else {
// Draw the image for a horizontal split
// by simply swaping the i and j axis.
// Except the drawLine() call this code is
// identical to the code block above. This was done
// in order to remove the additional orientation
// check for each pixel.
for (int i=1; i<=buffer[0].length; i++) {
for (int j=1; j<blockSize; j++) {
if (buffer[j-1][i-1] == 0) {
// Nothing needs
// to be drawn
continue;
}
else {
// Set the color from the
// color map
g.setColor(
colors[buffer[j-1][i-1]]);
}
// Draw a pixel
g.drawLine(j, i, j, i);
}
}
}
}
}
// Don't want the button to participate in focus traversable.
@SuppressWarnings("deprecation")
public boolean isFocusTraversable() {
return false;
}
};
b.setRequestFocusEnabled(false);
b.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
b.setFocusPainted(false);
b.setBorderPainted(false);
maybeMakeButtonOpaque(b);
return b;
}
If necessary c is made opaque.
/**
* If necessary <code>c</code> is made opaque.
*/
private void maybeMakeButtonOpaque(JComponent c) {
Object opaque = UIManager.get("SplitPane.oneTouchButtonsOpaque");
if (opaque != null) {
c.setOpaque(((Boolean)opaque).booleanValue());
}
}
Creates and return an instance of JButton that can be used to
collapse the right component in the metal split pane.
/**
* Creates and return an instance of JButton that can be used to
* collapse the right component in the metal split pane.
*/
protected JButton createRightOneTouchButton() {
JButton b = new JButton() {
// Sprite buffer for the arrow image of the right button
int[][] buffer = {{2, 2, 2, 2, 2, 2, 2, 2},
{0, 1, 1, 1, 1, 1, 1, 3},
{0, 0, 1, 1, 1, 1, 3, 0},
{0, 0, 0, 1, 1, 3, 0, 0},
{0, 0, 0, 0, 3, 0, 0, 0}};
public void setBorder(Border border) {
}
public void paint(Graphics g) {
JSplitPane splitPane = getSplitPaneFromSuper();
if(splitPane != null) {
int oneTouchSize = getOneTouchSizeFromSuper();
int orientation = getOrientationFromSuper();
int blockSize = Math.min(getDividerSize(),
oneTouchSize);
// Initialize the color array
Color[] colors = {
this.getBackground(),
MetalLookAndFeel.getPrimaryControlDarkShadow(),
MetalLookAndFeel.getPrimaryControlInfo(),
MetalLookAndFeel.getPrimaryControlHighlight()};
// Fill the background first ...
g.setColor(this.getBackground());
if (isOpaque()) {
g.fillRect(0, 0, this.getWidth(),
this.getHeight());
}
// ... then draw the arrow.
if (getModel().isPressed()) {
// Adjust color mapping for pressed button state
colors[1] = colors[2];
}
if(orientation == JSplitPane.VERTICAL_SPLIT) {
// Draw the image for a vertical split
for (int i=1; i<=buffer[0].length; i++) {
for (int j=1; j<blockSize; j++) {
if (buffer[j-1][i-1] == 0) {
continue;
}
else {
g.setColor(
colors[buffer[j-1][i-1]]);
}
g.drawLine(i, j, i, j);
}
}
}
else {
// Draw the image for a horizontal split
// by simply swaping the i and j axis.
// Except the drawLine() call this code is
// identical to the code block above. This was done
// in order to remove the additional orientation
// check for each pixel.
for (int i=1; i<=buffer[0].length; i++) {
for (int j=1; j<blockSize; j++) {
if (buffer[j-1][i-1] == 0) {
// Nothing needs
// to be drawn
continue;
}
else {
// Set the color from the
// color map
g.setColor(
colors[buffer[j-1][i-1]]);
}
// Draw a pixel
g.drawLine(j, i, j, i);
}
}
}
}
}
// Don't want the button to participate in focus traversable.
@SuppressWarnings("deprecation")
public boolean isFocusTraversable() {
return false;
}
};
b.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
b.setFocusPainted(false);
b.setBorderPainted(false);
b.setRequestFocusEnabled(false);
maybeMakeButtonOpaque(b);
return b;
}
Used to layout a MetalSplitPaneDivider. Layout for the divider
involves appropriately moving the left/right buttons around.
This class should be treated as a "protected" inner class.
Instantiate it only within subclasses of MetalSplitPaneDivider.
/**
* Used to layout a MetalSplitPaneDivider. Layout for the divider
* involves appropriately moving the left/right buttons around.
* <p>
* This class should be treated as a "protected" inner class.
* Instantiate it only within subclasses of MetalSplitPaneDivider.
*/
public class MetalDividerLayout implements LayoutManager {
// NOTE NOTE NOTE NOTE NOTE
// This class is no longer used, the functionality has
// been rolled into BasicSplitPaneDivider.DividerLayout as a
// defaults property
public void layoutContainer(Container c) {
JButton leftButton = getLeftButtonFromSuper();
JButton rightButton = getRightButtonFromSuper();
JSplitPane splitPane = getSplitPaneFromSuper();
int orientation = getOrientationFromSuper();
int oneTouchSize = getOneTouchSizeFromSuper();
int oneTouchOffset = getOneTouchOffsetFromSuper();
Insets insets = getInsets();
// This layout differs from the one used in BasicSplitPaneDivider.
// It does not center justify the oneTouchExpadable buttons.
// This was necessary in order to meet the spec of the Metal
// splitpane divider.
if (leftButton != null && rightButton != null &&
c == MetalSplitPaneDivider.this) {
if (splitPane.isOneTouchExpandable()) {
if (orientation == JSplitPane.VERTICAL_SPLIT) {
int extraY = (insets != null) ? insets.top : 0;
int blockSize = getDividerSize();
if (insets != null) {
blockSize -= (insets.top + insets.bottom);
}
blockSize = Math.min(blockSize, oneTouchSize);
leftButton.setBounds(oneTouchOffset, extraY,
blockSize * 2, blockSize);
rightButton.setBounds(oneTouchOffset +
oneTouchSize * 2, extraY,
blockSize * 2, blockSize);
}
else {
int blockSize = getDividerSize();
int extraX = (insets != null) ? insets.left : 0;
if (insets != null) {
blockSize -= (insets.left + insets.right);
}
blockSize = Math.min(blockSize, oneTouchSize);
leftButton.setBounds(extraX, oneTouchOffset,
blockSize, blockSize * 2);
rightButton.setBounds(extraX, oneTouchOffset +
oneTouchSize * 2, blockSize,
blockSize * 2);
}
}
else {
leftButton.setBounds(-5, -5, 1, 1);
rightButton.setBounds(-5, -5, 1, 1);
}
}
}
public Dimension minimumLayoutSize(Container c) {
return new Dimension(0,0);
}
public Dimension preferredLayoutSize(Container c) {
return new Dimension(0, 0);
}
public void removeLayoutComponent(Component c) {}
public void addLayoutComponent(String string, Component c) {}
}
/*
* The following methods only exist in order to be able to access protected
* members in the superclass, because these are otherwise not available
* in any inner class.
*/
int getOneTouchSizeFromSuper() {
return BasicSplitPaneDivider.ONE_TOUCH_SIZE;
}
int getOneTouchOffsetFromSuper() {
return BasicSplitPaneDivider.ONE_TOUCH_OFFSET;
}
int getOrientationFromSuper() {
return super.orientation;
}
JSplitPane getSplitPaneFromSuper() {
return super.splitPane;
}
JButton getLeftButtonFromSuper() {
return super.leftButton;
}
JButton getRightButtonFromSuper() {
return super.rightButton;
}
}