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/*
* Copyright (c) 2005-2010 Substance Kirill Grouchnikov. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* o Neither the name of Substance Kirill Grouchnikov nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.pushingpixels.substance.internal.ui;
import java.awt.Adjustable;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.event.AdjustmentEvent;
import java.awt.event.AdjustmentListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.geom.AffineTransform;
import java.awt.geom.GeneralPath;
import java.awt.image.BufferedImage;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.EnumSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.swing.AbstractButton;
import javax.swing.BoundedRangeModel;
import javax.swing.ButtonModel;
import javax.swing.DefaultButtonModel;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;
import javax.swing.SwingUtilities;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.UIResource;
import javax.swing.plaf.basic.BasicScrollBarUI;
import org.pushingpixels.lafwidget.LafWidgetUtilities;
import org.pushingpixels.substance.api.ColorSchemeAssociationKind;
import org.pushingpixels.substance.api.ComponentState;
import org.pushingpixels.substance.api.SubstanceColorScheme;
import org.pushingpixels.substance.api.SubstanceConstants;
import org.pushingpixels.substance.api.SubstanceLookAndFeel;
import org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind;
import org.pushingpixels.substance.api.SubstanceConstants.Side;
import org.pushingpixels.substance.api.painter.border.SubstanceBorderPainter;
import org.pushingpixels.substance.api.painter.fill.SubstanceFillPainter;
import org.pushingpixels.substance.api.shaper.ClassicButtonShaper;
import org.pushingpixels.substance.api.shaper.SubstanceButtonShaper;
import org.pushingpixels.substance.internal.animation.StateTransitionTracker;
import org.pushingpixels.substance.internal.animation.TransitionAwareUI;
import org.pushingpixels.substance.internal.painter.BackgroundPaintingUtils;
import org.pushingpixels.substance.internal.painter.SimplisticFillPainter;
import org.pushingpixels.substance.internal.painter.SimplisticSoftBorderPainter;
import org.pushingpixels.substance.internal.utils.HashMapKey;
import org.pushingpixels.substance.internal.utils.LazyResettableHashMap;
import org.pushingpixels.substance.internal.utils.RolloverControlListener;
import org.pushingpixels.substance.internal.utils.SubstanceColorSchemeUtilities;
import org.pushingpixels.substance.internal.utils.SubstanceCoreUtilities;
import org.pushingpixels.substance.internal.utils.SubstanceImageCreator;
import org.pushingpixels.substance.internal.utils.SubstanceOutlineUtilities;
import org.pushingpixels.substance.internal.utils.SubstanceSizeUtils;
import org.pushingpixels.substance.internal.utils.icon.ArrowButtonTransitionAwareIcon;
import org.pushingpixels.substance.internal.utils.scroll.SubstanceScrollButton;
/**
* UI for scroll bars in Substance look and feel.
*
* @author Kirill Grouchnikov
*/
public class SubstanceScrollBarUI extends BasicScrollBarUI implements
TransitionAwareUI {
/**
* The second decrease button. Is shown under
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#ADJACENT},
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#MULTIPLE} and
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#MULTIPLE_BOTH}
* modes.
*
* @since version 3.1
*/
protected JButton mySecondDecreaseButton;
/**
* The second increase button. Is shown only under
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#MULTIPLE_BOTH} mode.
*
* @since version 3.1
*/
protected JButton mySecondIncreaseButton;
/**
* Surrogate button model for tracking the thumb transitions.
*/
private ButtonModel thumbModel;
/**
* Stores computed images for vertical thumbs.
*/
private static LazyResettableHashMap thumbVerticalMap = new LazyResettableHashMap(
"SubstanceScrollBarUI.thumbVertical");
/**
* Stores computed images for horizontal thumbs.
*/
private static LazyResettableHashMap thumbHorizontalMap = new LazyResettableHashMap(
"SubstanceScrollBarUI.thumbHorizontal");
/**
* Mouse listener on the associated scroll bar.
*/
private MouseListener substanceMouseListener;
/**
* Listener for thumb transition animations.
*/
private RolloverControlListener substanceThumbRolloverListener;
protected StateTransitionTracker compositeStateTransitionTracker;
/**
* Property change listener.
*
*/
private PropertyChangeListener substancePropertyListener;
/**
* Scroll bar width.
*/
protected int scrollBarWidth;
/**
* Cache of images for horizontal tracks.
*/
private static LazyResettableHashMap trackHorizontalMap = new LazyResettableHashMap(
"SubstanceScrollBarUI.trackHorizontal");
/**
* Cache of images for vertical tracks.
*/
private static LazyResettableHashMap trackVerticalMap = new LazyResettableHashMap(
"SubstanceScrollBarUI.trackVertical");
/**
* Listener on adjustments made to the scrollbar model - this is for
* repaiting both scrollbars with the viewport.
*
* @since version 3.2
*/
protected AdjustmentListener substanceAdjustmentListener;
/**
* Surrogate model to sync between rollover effects of scroll buttons and
* scroll track / scroll thumb.
*
* @since version 3.2
*/
protected CompositeButtonModel compositeScrollTrackModel;
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.ComponentUI#createUI(javax.swing.JComponent)
*/
public static ComponentUI createUI(JComponent comp) {
SubstanceCoreUtilities.testComponentCreationThreadingViolation(comp);
return new SubstanceScrollBarUI(comp);
}
/**
* Simple constructor.
*
* @param b
* Associated component.
*/
protected SubstanceScrollBarUI(JComponent b) {
super();
this.thumbModel = new DefaultButtonModel();
this.thumbModel.setArmed(false);
this.thumbModel.setSelected(false);
this.thumbModel.setPressed(false);
this.thumbModel.setRollover(false);
b.setOpaque(false);
}
/**
* Creates a decrease button.
*
* @param orientation
* Button orientation.
* @param isRegular
* if true, the regular (upper / left) decrease
* button is created, if false, the additional
* (lower / right) decrease button is created for
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#ADJACENT}
* ,
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#MULTIPLE}
* and
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#MULTIPLE_BOTH}
* kinds.
* @return Decrease button.
*/
protected JButton createGeneralDecreaseButton(final int orientation,
boolean isRegular) {
JButton result = new SubstanceScrollButton(orientation);
result.setName("Decrease " + (isRegular ? "regular" : "additional"));
result.setFont(this.scrollbar.getFont());
Icon icon = new ArrowButtonTransitionAwareIcon(result, orientation);
result.setIcon(icon);
result.setFont(scrollbar.getFont());
result.setPreferredSize(new Dimension(this.scrollBarWidth,
this.scrollBarWidth));
Set openSides = EnumSet.noneOf(Side.class);
Set straightSides = EnumSet.noneOf(Side.class);
switch (orientation) {
case NORTH:
openSides.add(Side.BOTTOM);
if (!isRegular)
openSides.add(Side.TOP);
if (isRegular)
straightSides.add(Side.TOP);
break;
case EAST:
openSides.add(Side.LEFT);
if (!isRegular)
openSides.add(Side.RIGHT);
if (isRegular)
straightSides.add(Side.RIGHT);
break;
case WEST:
openSides.add(Side.RIGHT);
if (!isRegular)
openSides.add(Side.LEFT);
if (isRegular)
straightSides.add(Side.LEFT);
break;
}
result.putClientProperty(
SubstanceLookAndFeel.BUTTON_OPEN_SIDE_PROPERTY, openSides);
result.putClientProperty(SubstanceLookAndFeel.BUTTON_SIDE_PROPERTY,
straightSides);
return result;
}
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.basic.BasicScrollBarUI#createDecreaseButton(int)
*/
@Override
protected JButton createDecreaseButton(int orientation) {
return this.createGeneralDecreaseButton(orientation, true);
}
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.basic.BasicScrollBarUI#createIncreaseButton(int)
*/
@Override
protected JButton createIncreaseButton(int orientation) {
return this.createGeneralIncreaseButton(orientation, true);
}
/**
* Creates a increase button.
*
* @param orientation
* Button orientation.
* @param isRegular
* if true, the regular (lower / right) increase
* button is created, if false, the additional
* (upper / left) increase button is created for
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#MULTIPLE_BOTH}
* kind.
* @return Increase button.
*/
protected JButton createGeneralIncreaseButton(final int orientation,
boolean isRegular) {
JButton result = new SubstanceScrollButton(orientation);
result.setName("Increase " + (isRegular ? "regular" : "additional"));
result.setFont(this.scrollbar.getFont());
Icon icon = new ArrowButtonTransitionAwareIcon(result, orientation);
result.setIcon(icon);
result.setFont(scrollbar.getFont());
// JButton result = new SubstanceScrollBarButton(icon, orientation);
result.setPreferredSize(new Dimension(this.scrollBarWidth,
this.scrollBarWidth));
Set openSides = EnumSet.noneOf(Side.class);
Set straightSides = EnumSet.noneOf(Side.class);
switch (orientation) {
case SOUTH:
openSides.add(Side.TOP);
if (!isRegular)
openSides.add(Side.BOTTOM);
if (isRegular)
straightSides.add(Side.BOTTOM);
break;
case EAST:
openSides.add(Side.LEFT);
if (!isRegular)
openSides.add(Side.RIGHT);
if (isRegular)
straightSides.add(Side.RIGHT);
break;
case WEST:
openSides.add(Side.RIGHT);
if (!isRegular)
openSides.add(Side.LEFT);
if (isRegular)
straightSides.add(Side.LEFT);
break;
}
result.putClientProperty(
SubstanceLookAndFeel.BUTTON_OPEN_SIDE_PROPERTY, openSides);
result.putClientProperty(SubstanceLookAndFeel.BUTTON_SIDE_PROPERTY,
straightSides);
return result;
}
/**
* Returns the image for a horizontal track.
*
* @param trackBounds
* Track bounds.
* @param leftActiveButton
* The closest left button in the scroll bar. May be
* null.
* @param rightActiveButton
* The closest right button in the scroll bar. May be
* null .
* @return Horizontal track image.
*/
private void paintTrackHorizontal(Graphics g, Rectangle trackBounds,
SubstanceScrollButton leftActiveButton,
SubstanceScrollButton rightActiveButton) {
int width = Math.max(1, trackBounds.width);
int height = Math.max(1, trackBounds.height);
paintTrackBackHorizontal(g, this.scrollbar, leftActiveButton,
rightActiveButton, width, height);
BufferedImage horizontalTrack = getTrackHorizontal(this.scrollbar,
width, height);
g.drawImage(horizontalTrack, 0, 0, null);
}
/**
* Returns the image for a horizontal track.
*
* @param scrollBar
* Scroll bar.
* @param width
* Scroll track width.
* @param height
* Scroll track height.
* @return Horizontal track image.
*/
private static BufferedImage getTrackHorizontal(JScrollBar scrollBar,
int width, int height) {
SubstanceButtonShaper shaper = SubstanceCoreUtilities
.getButtonShaper(scrollBar);
SubstanceColorScheme mainScheme = SubstanceColorSchemeUtilities
.getColorScheme(scrollBar,
scrollBar.isEnabled() ? ComponentState.ENABLED
: ComponentState.DISABLED_UNSELECTED);
SubstanceColorScheme mainBorderScheme = SubstanceColorSchemeUtilities
.getColorScheme(scrollBar, ColorSchemeAssociationKind.BORDER,
scrollBar.isEnabled() ? ComponentState.ENABLED
: ComponentState.DISABLED_UNSELECTED);
HashMapKey key = SubstanceCoreUtilities.getHashKey(mainScheme
.getDisplayName(), mainBorderScheme.getDisplayName(), width,
height, shaper.getDisplayName());
float radius = height / 2;
if (shaper instanceof ClassicButtonShaper)
radius = SubstanceSizeUtils
.getClassicButtonCornerRadius(SubstanceSizeUtils
.getComponentFontSize(scrollBar));
int borderDelta = (int) Math.floor(SubstanceSizeUtils
.getBorderStrokeWidth(SubstanceSizeUtils
.getComponentFontSize(scrollBar)) / 2.0);
Shape contour = SubstanceOutlineUtilities.getBaseOutline(width, height,
radius, null, borderDelta);
BufferedImage result = SubstanceScrollBarUI.trackHorizontalMap.get(key);
if (result == null) {
result = SubstanceCoreUtilities.getBlankImage(width, height);
SimplisticFillPainter.INSTANCE.paintContourBackground(result
.createGraphics(), scrollBar, width, height, contour,
false, mainScheme, true);
SubstanceBorderPainter borderPainter = new SimplisticSoftBorderPainter();
borderPainter.paintBorder(result.getGraphics(), scrollBar, width,
height, contour, null, mainBorderScheme);
SubstanceScrollBarUI.trackHorizontalMap.put(key, result);
}
return result;
}
/**
* Returns the image for a horizontal track.
*
* @param scrollBar
* Scroll bar.
* @param leftActiveButton
* The closest left button in the scroll bar. May be
* null.
* @param rightActiveButton
* The closest right button in the scroll bar. May be
* null .
* @param width
* Scroll track width.
* @param height
* Scroll track height.
* @return Horizontal track image.
*/
private static void paintTrackBackHorizontal(Graphics g,
JScrollBar scrollBar, AbstractButton leftActiveButton,
AbstractButton rightActiveButton, int width, int height) {
SubstanceButtonShaper shaper = SubstanceCoreUtilities
.getButtonShaper(scrollBar);
int radius = height / 2;
if (shaper instanceof ClassicButtonShaper)
radius = 2;
SubstanceImageCreator.paintCompositeRoundedBackground(scrollBar, g,
width, height, radius, leftActiveButton, rightActiveButton,
false);
}
/**
* Returns the image for a vertical track.
*
* @param trackBounds
* Track bounds.
* @param topActiveButton
* The closest top button in the scroll bar. May be
* null.
* @param bottomActiveButton
* The closest bottom button in the scroll bar. May be
* null.
* @return Vertical track image.
*/
private void paintTrackVertical(Graphics g, Rectangle trackBounds,
SubstanceScrollButton topActiveButton,
SubstanceScrollButton bottomActiveButton) {
int width = Math.max(1, trackBounds.width);
int height = Math.max(1, trackBounds.height);
paintTrackBackVertical(g, this.scrollbar, topActiveButton,
bottomActiveButton, width, height);
BufferedImage horizontalTrack = getTrackVertical(this.scrollbar, width,
height);
g.drawImage(horizontalTrack, 0, 0, null);
}
/**
* Returns the image for a vertical track.
*
* @param scrollBar
* Scroll bar.
* @param width
* Scroll track width.
* @param height
* Scroll track height.
* @return Vertical track image.
*/
private static BufferedImage getTrackVertical(JScrollBar scrollBar,
int width, int height) {
SubstanceButtonShaper shaper = SubstanceCoreUtilities
.getButtonShaper(scrollBar);
SubstanceColorScheme mainScheme = SubstanceColorSchemeUtilities
.getColorScheme(scrollBar,
scrollBar.isEnabled() ? ComponentState.ENABLED
: ComponentState.DISABLED_UNSELECTED);
SubstanceColorScheme mainBorderScheme = SubstanceColorSchemeUtilities
.getColorScheme(scrollBar, ColorSchemeAssociationKind.BORDER,
scrollBar.isEnabled() ? ComponentState.ENABLED
: ComponentState.DISABLED_UNSELECTED);
HashMapKey key = SubstanceCoreUtilities.getHashKey(mainScheme
.getDisplayName(), mainBorderScheme.getDisplayName(), width,
height, shaper.getDisplayName());
BufferedImage result = SubstanceScrollBarUI.trackVerticalMap.get(key);
if (result == null) {
float radius = width / 2;
if (shaper instanceof ClassicButtonShaper)
radius = SubstanceSizeUtils
.getClassicButtonCornerRadius(SubstanceSizeUtils
.getComponentFontSize(scrollBar));
int borderDelta = (int) Math.floor(SubstanceSizeUtils
.getBorderStrokeWidth(SubstanceSizeUtils
.getComponentFontSize(scrollBar)) / 2.0);
Shape contour = SubstanceOutlineUtilities.getBaseOutline(height,
width, radius, null, borderDelta);
result = SubstanceCoreUtilities.getBlankImage(height, width);
SimplisticFillPainter.INSTANCE.paintContourBackground(result
.createGraphics(), scrollBar, height, width, contour,
false, mainScheme, true);
SubstanceBorderPainter borderPainter = new SimplisticSoftBorderPainter();
borderPainter.paintBorder(result.getGraphics(), scrollBar, height,
width, contour, null, mainBorderScheme);
result = SubstanceImageCreator.getRotated(result, 3);
SubstanceScrollBarUI.trackVerticalMap.put(key, result);
}
return result;
}
/**
* Returns the image for a vertical track.
*
* @param scrollBar
* Scroll bar.
* @param topActiveButton
* The closest top button in the scroll bar. May be
* null.
* @param bottomActiveButton
* The closest bottom button in the scroll bar. May be
* null.
* @param width
* Scroll track width.
* @param height
* Scroll track height.
* @return Vertical track image.
*/
private static void paintTrackBackVertical(Graphics g,
JScrollBar scrollBar, AbstractButton topActiveButton,
AbstractButton bottomActiveButton, int width, int height) {
SubstanceButtonShaper shaper = SubstanceCoreUtilities
.getButtonShaper(scrollBar);
int radius = width / 2;
if (shaper instanceof ClassicButtonShaper)
radius = 2;
Graphics2D g2d = (Graphics2D) g.create();
AffineTransform at = AffineTransform.getTranslateInstance(0, height);
at.rotate(-Math.PI / 2);
g2d.transform(at);
SubstanceImageCreator.paintCompositeRoundedBackground(scrollBar, g2d,
height, width, radius, topActiveButton, bottomActiveButton,
true);
g2d.dispose();
}
/**
* Retrieves image for vertical thumb.
*
* @param thumbBounds
* Thumb bounding rectangle.
* @return Image for vertical thumb.
*/
private BufferedImage getThumbVertical(Rectangle thumbBounds) {
int width = Math.max(1, thumbBounds.width);
int height = Math.max(1, thumbBounds.height);
StateTransitionTracker.ModelStateInfo modelStateInfo = this.compositeStateTransitionTracker
.getModelStateInfo();
ComponentState currState = modelStateInfo.getCurrModelState();
// enabled scroll bar is always painted as active
SubstanceColorScheme baseFillScheme = (currState != ComponentState.ENABLED) ? SubstanceColorSchemeUtilities
.getColorScheme(this.scrollbar, currState)
: SubstanceColorSchemeUtilities.getActiveColorScheme(
this.scrollbar, currState);
SubstanceColorScheme baseBorderScheme = SubstanceColorSchemeUtilities
.getColorScheme(this.scrollbar,
ColorSchemeAssociationKind.BORDER, currState);
BufferedImage baseLayer = getThumbVertical(this.scrollbar, width,
height, baseFillScheme, baseBorderScheme);
Map activeStates = modelStateInfo
.getStateContributionMap();
if (currState.isDisabled() || (activeStates.size() == 1)) {
return baseLayer;
}
BufferedImage result = SubstanceCoreUtilities.getBlankImage(baseLayer
.getWidth(), baseLayer.getHeight());
Graphics2D g2d = result.createGraphics();
g2d.drawImage(baseLayer, 0, 0, null);
for (Map.Entry activeEntry : activeStates
.entrySet()) {
ComponentState activeState = activeEntry.getKey();
if (activeState == modelStateInfo.getCurrModelState())
continue;
float contribution = activeEntry.getValue().getContribution();
if (contribution == 0.0f)
continue;
g2d.setComposite(AlphaComposite.SrcOver.derive(contribution));
SubstanceColorScheme fillScheme = (activeState != ComponentState.ENABLED) ? SubstanceColorSchemeUtilities
.getColorScheme(this.scrollbar, activeState)
: SubstanceColorSchemeUtilities.getActiveColorScheme(
this.scrollbar, activeState);
SubstanceColorScheme borderScheme = SubstanceColorSchemeUtilities
.getColorScheme(this.scrollbar,
ColorSchemeAssociationKind.BORDER, activeState);
BufferedImage layer = getThumbVertical(this.scrollbar, width,
height, fillScheme, borderScheme);
g2d.drawImage(layer, 0, 0, null);
}
g2d.dispose();
return result;
}
/**
* Retrieves image for vertical thumb.
*
* @param scrollBar
* Scroll bar.
* @param width
* Thumb width.
* @param height
* Thumb height.
* @param scheme
* The first color scheme.
* @param borderScheme
* The first border color scheme.
* @return Image for vertical thumb.
*/
private static BufferedImage getThumbVertical(JScrollBar scrollBar,
int width, int height, SubstanceColorScheme scheme,
SubstanceColorScheme borderScheme) {
SubstanceFillPainter painter = SubstanceCoreUtilities
.getFillPainter(scrollBar);
SubstanceButtonShaper shaper = SubstanceCoreUtilities
.getButtonShaper(scrollBar);
SubstanceBorderPainter borderPainter = SubstanceCoreUtilities
.getBorderPainter(scrollBar);
HashMapKey key = SubstanceCoreUtilities.getHashKey(width, height,
scheme.getDisplayName(), borderScheme.getDisplayName(), painter
.getDisplayName(), shaper.getDisplayName(),
borderPainter.getDisplayName());
BufferedImage result = SubstanceScrollBarUI.thumbVerticalMap.get(key);
if (result == null) {
// System.out.println("Cache miss - computing");
// System.out.println("New image for vertical thumb");
float radius = width / 2;
if (shaper instanceof ClassicButtonShaper)
radius = SubstanceSizeUtils
.getClassicButtonCornerRadius(SubstanceSizeUtils
.getComponentFontSize(scrollBar));
int borderDelta = (int) Math.floor(SubstanceSizeUtils
.getBorderStrokeWidth(SubstanceSizeUtils
.getComponentFontSize(scrollBar)) / 2.0);
GeneralPath contour = SubstanceOutlineUtilities.getBaseOutline(
height, width, radius, null, borderDelta);
result = SubstanceCoreUtilities.getBlankImage(height, width);
painter.paintContourBackground(result.createGraphics(), scrollBar,
height, width, contour, false, scheme, true);
// int borderThickness = (int) SubstanceSizeUtils
// .getBorderStrokeWidth(SubstanceSizeUtils
// .getComponentFontSize(scrollBar));
// GeneralPath contourInner = SubstanceOutlineUtilities
// .getBaseOutline(height, width, radius, null,
// borderThickness + borderDelta);
borderPainter.paintBorder(result.getGraphics(), scrollBar, height,
width, contour, null, borderScheme);
result = SubstanceImageCreator.getRotated(result, 3);
// System.out.println(key);
SubstanceScrollBarUI.thumbVerticalMap.put(key, result);
}
return result;
}
/**
* Retrieves image for horizontal thumb.
*
* @param thumbBounds
* Thumb bounding rectangle.
* @return Image for horizontal thumb.
*/
private BufferedImage getThumbHorizontal(Rectangle thumbBounds) {
int width = Math.max(1, thumbBounds.width);
int height = Math.max(1, thumbBounds.height);
StateTransitionTracker.ModelStateInfo modelStateInfo = this.compositeStateTransitionTracker
.getModelStateInfo();
ComponentState currState = modelStateInfo.getCurrModelState();
// enabled scroll bar is always painted as active
// if (currState == ComponentState.ENABLED)
// currState = ComponentState.SELECTED;
SubstanceColorScheme baseFillScheme = (currState != ComponentState.ENABLED) ? SubstanceColorSchemeUtilities
.getColorScheme(this.scrollbar, currState)
: SubstanceColorSchemeUtilities.getActiveColorScheme(
this.scrollbar, currState);
SubstanceColorScheme baseBorderScheme = SubstanceColorSchemeUtilities
.getColorScheme(this.scrollbar,
ColorSchemeAssociationKind.BORDER, currState);
BufferedImage baseLayer = getThumbHorizontal(this.scrollbar, width,
height, baseFillScheme, baseBorderScheme);
Map activeStates = modelStateInfo
.getStateContributionMap();
if (currState.isDisabled() || (activeStates.size() == 1)) {
return baseLayer;
}
BufferedImage result = SubstanceCoreUtilities.getBlankImage(baseLayer
.getWidth(), baseLayer.getHeight());
Graphics2D g2d = result.createGraphics();
g2d.drawImage(baseLayer, 0, 0, null);
for (Map.Entry activeEntry : activeStates
.entrySet()) {
ComponentState activeState = activeEntry.getKey();
if (activeState == modelStateInfo.getCurrModelState())
continue;
// if (activeState == ComponentState.ENABLED)
// activeState = ComponentState.SELECTED;
float contribution = activeEntry.getValue().getContribution();
if (contribution == 0.0f)
continue;
g2d.setComposite(AlphaComposite.SrcOver.derive(contribution));
SubstanceColorScheme fillScheme = (activeState != ComponentState.ENABLED) ? SubstanceColorSchemeUtilities
.getColorScheme(this.scrollbar, activeState)
: SubstanceColorSchemeUtilities.getActiveColorScheme(
this.scrollbar, activeState);
SubstanceColorScheme borderScheme = SubstanceColorSchemeUtilities
.getColorScheme(this.scrollbar,
ColorSchemeAssociationKind.BORDER, activeState);
BufferedImage layer = getThumbHorizontal(this.scrollbar, width,
height, fillScheme, borderScheme);
g2d.drawImage(layer, 0, 0, null);
}
g2d.dispose();
return result;
}
/**
* Retrieves image for horizontal thumb.
*
* @param scrollBar
* Scroll bar.
* @param width
* Thumb width.
* @param height
* Thumb height.
* @param scheme
* The first color scheme.
* @param borderScheme
* The first border color scheme.
* @return Image for horizontal thumb.
*/
private static BufferedImage getThumbHorizontal(JScrollBar scrollBar,
int width, int height, SubstanceColorScheme scheme,
SubstanceColorScheme borderScheme) {
SubstanceFillPainter painter = SubstanceCoreUtilities
.getFillPainter(scrollBar);
SubstanceButtonShaper shaper = SubstanceCoreUtilities
.getButtonShaper(scrollBar);
SubstanceBorderPainter borderPainter = SubstanceCoreUtilities
.getBorderPainter(scrollBar);
HashMapKey key = SubstanceCoreUtilities.getHashKey(width, height,
scheme.getDisplayName(), borderScheme.getDisplayName(), painter
.getDisplayName(), shaper.getDisplayName(),
borderPainter.getDisplayName());
float radius = height / 2;
if (shaper instanceof ClassicButtonShaper)
radius = SubstanceSizeUtils
.getClassicButtonCornerRadius(SubstanceSizeUtils
.getComponentFontSize(scrollBar));
int borderDelta = (int) Math.floor(SubstanceSizeUtils
.getBorderStrokeWidth(SubstanceSizeUtils
.getComponentFontSize(scrollBar)) / 2.0);
GeneralPath contour = SubstanceOutlineUtilities.getBaseOutline(width,
height, radius, null, borderDelta);
BufferedImage opaque = SubstanceScrollBarUI.thumbHorizontalMap.get(key);
if (opaque == null) {
// System.out.println("New image for horizontal thumb");
opaque = SubstanceCoreUtilities.getBlankImage(width, height);
painter.paintContourBackground(opaque.createGraphics(), scrollBar,
width, height, contour, false, scheme, true);
borderPainter.paintBorder(opaque.getGraphics(), scrollBar, width,
height, contour, null, borderScheme);
SubstanceScrollBarUI.thumbHorizontalMap.put(key, opaque);
}
return opaque;
}
/**
* Returns the scroll button state.
*
* @param scrollButton
* Scroll button.
* @return Scroll button state.
*/
protected ComponentState getState(JButton scrollButton) {
if (scrollButton == null)
return null;
ComponentState result = ((TransitionAwareUI) scrollButton.getUI())
.getTransitionTracker().getModelStateInfo().getCurrModelState();
if ((result == ComponentState.ENABLED)
&& SubstanceCoreUtilities.hasFlatAppearance(this.scrollbar,
false)) {
result = null;
}
if (SubstanceCoreUtilities.isButtonNeverPainted(scrollButton)) {
result = null;
}
return result;
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI#paintTrack(java.awt.Graphics,
* javax.swing.JComponent, java.awt.Rectangle)
*/
@Override
protected void paintTrack(Graphics g, JComponent c, Rectangle trackBounds) {
Graphics2D graphics = (Graphics2D) g.create();
// System.out.println("Track");
ScrollPaneButtonPolicyKind buttonPolicy = SubstanceCoreUtilities
.getScrollPaneButtonsPolicyKind(this.scrollbar);
SubstanceScrollButton compTopState = null;
SubstanceScrollButton compBottomState = null;
if (this.decrButton.isShowing() && this.incrButton.isShowing()
&& this.mySecondDecreaseButton.isShowing()
&& this.mySecondIncreaseButton.isShowing()) {
switch (buttonPolicy) {
case OPPOSITE:
compTopState = (SubstanceScrollButton) this.decrButton;
compBottomState = (SubstanceScrollButton) this.incrButton;
break;
case ADJACENT:
compBottomState = (SubstanceScrollButton) this.mySecondDecreaseButton;
break;
case MULTIPLE:
compTopState = (SubstanceScrollButton) this.decrButton;
compBottomState = (SubstanceScrollButton) this.mySecondDecreaseButton;
break;
case MULTIPLE_BOTH:
compTopState = (SubstanceScrollButton) this.mySecondIncreaseButton;
compBottomState = (SubstanceScrollButton) this.mySecondDecreaseButton;
break;
}
}
graphics.translate(trackBounds.x, trackBounds.y);
if (this.scrollbar.getOrientation() == Adjustable.VERTICAL) {
paintTrackVertical(graphics, trackBounds, compTopState,
compBottomState);
} else {
if (this.scrollbar.getComponentOrientation().isLeftToRight()) {
paintTrackHorizontal(graphics, trackBounds, compTopState,
compBottomState);
} else {
paintTrackHorizontal(graphics, trackBounds, compBottomState,
compTopState);
}
// BufferedImage bi = this.scrollbar.getComponentOrientation()
// .isLeftToRight() ? this.getTrackHorizontal(trackBounds,
// compTopState, compBottomState) : this.getTrackHorizontal(
// trackBounds, compBottomState, compTopState);
// graphics.drawImage(bi, trackBounds.x, trackBounds.y, null);
}
graphics.dispose();
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI#paintThumb(java.awt.Graphics,
* javax.swing.JComponent, java.awt.Rectangle)
*/
@Override
protected void paintThumb(Graphics g, JComponent c, Rectangle thumbBounds) {
// System.out.println("Thumb");
Graphics2D graphics = (Graphics2D) g.create();
// ControlBackgroundComposite composite = SubstanceCoreUtilities
// .getControlBackgroundComposite(this.scrollbar);
// JScrollBar scrollBar = (JScrollBar) c;
this.thumbModel.setSelected(this.thumbModel.isSelected()
|| this.isDragging);
this.thumbModel.setEnabled(c.isEnabled());
boolean isVertical = (this.scrollbar.getOrientation() == Adjustable.VERTICAL);
if (isVertical) {
Rectangle adjustedBounds = new Rectangle(thumbBounds.x,
thumbBounds.y, thumbBounds.width, thumbBounds.height);
BufferedImage thumbImage = this.getThumbVertical(adjustedBounds);
graphics.drawImage(thumbImage, adjustedBounds.x, adjustedBounds.y,
null);
} else {
Rectangle adjustedBounds = new Rectangle(thumbBounds.x,
thumbBounds.y, thumbBounds.width, thumbBounds.height);
BufferedImage thumbImage = this.getThumbHorizontal(adjustedBounds);
graphics.drawImage(thumbImage, adjustedBounds.x, adjustedBounds.y,
null);
}
graphics.dispose();
}
@Override
public void paint(Graphics g, JComponent c) {
Graphics2D graphics = (Graphics2D) g.create();
BackgroundPaintingUtils.update(graphics, c, false);
float alpha = SubstanceColorSchemeUtilities.getAlpha(this.scrollbar,
ComponentState.getState(this.thumbModel, this.scrollbar));
graphics
.setComposite(LafWidgetUtilities.getAlphaComposite(c, alpha, g));
super.paint(graphics, c);
graphics.dispose();
}
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.basic.BasicScrollBarUI#installDefaults()
*/
@Override
protected void installDefaults() {
super.installDefaults();
this.scrollBarWidth = SubstanceSizeUtils
.getScrollBarWidth(SubstanceSizeUtils
.getComponentFontSize(this.scrollbar));
}
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.basic.BasicScrollBarUI#installComponents()
*/
@Override
protected void installComponents() {
super.installComponents();
switch (this.scrollbar.getOrientation()) {
case JScrollBar.VERTICAL:
this.mySecondDecreaseButton = this.createGeneralDecreaseButton(
NORTH, false);
this.mySecondIncreaseButton = this.createGeneralIncreaseButton(
SOUTH, false);
break;
case JScrollBar.HORIZONTAL:
if (this.scrollbar.getComponentOrientation().isLeftToRight()) {
this.mySecondDecreaseButton = this.createGeneralDecreaseButton(
WEST, false);
this.mySecondIncreaseButton = this.createGeneralIncreaseButton(
EAST, false);
} else {
this.mySecondDecreaseButton = this.createGeneralDecreaseButton(
EAST, false);
this.mySecondIncreaseButton = this.createGeneralIncreaseButton(
WEST, false);
}
break;
}
this.scrollbar.add(this.mySecondDecreaseButton);
this.scrollbar.add(this.mySecondIncreaseButton);
this.compositeScrollTrackModel = new CompositeButtonModel(
this.thumbModel, this.incrButton, this.decrButton,
this.mySecondDecreaseButton, this.mySecondIncreaseButton);
this.compositeScrollTrackModel.registerListeners();
this.compositeStateTransitionTracker = new StateTransitionTracker(
this.scrollbar, this.compositeScrollTrackModel);
this.compositeStateTransitionTracker.registerModelListeners();
}
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.basic.BasicScrollBarUI#uninstallComponents()
*/
@Override
protected void uninstallComponents() {
this.compositeScrollTrackModel.unregisterListeners();
this.compositeStateTransitionTracker.unregisterModelListeners();
this.scrollbar.remove(this.mySecondDecreaseButton);
this.scrollbar.remove(this.mySecondIncreaseButton);
super.uninstallComponents();
}
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.basic.BasicScrollBarUI#installListeners()
*/
@Override
protected void installListeners() {
super.installListeners();
this.substanceMouseListener = new MouseAdapter() {
@Override
public void mouseEntered(MouseEvent e) {
SubstanceScrollBarUI.this.scrollbar.repaint();
}
@Override
public void mouseExited(MouseEvent e) {
SubstanceScrollBarUI.this.scrollbar.repaint();
}
@Override
public void mousePressed(MouseEvent e) {
SubstanceScrollBarUI.this.scrollbar.repaint();
}
@Override
public void mouseReleased(MouseEvent e) {
SubstanceScrollBarUI.this.scrollbar.repaint();
}
};
this.incrButton.addMouseListener(this.substanceMouseListener);
this.decrButton.addMouseListener(this.substanceMouseListener);
this.mySecondDecreaseButton
.addMouseListener(this.substanceMouseListener);
this.mySecondIncreaseButton
.addMouseListener(this.substanceMouseListener);
this.substanceThumbRolloverListener = new RolloverControlListener(this,
this.thumbModel);
this.scrollbar.addMouseListener(this.substanceThumbRolloverListener);
this.scrollbar
.addMouseMotionListener(this.substanceThumbRolloverListener);
// this.thumbStateTransitionTracker.registerModelListeners();
this.substancePropertyListener = new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent evt) {
if ("font".equals(evt.getPropertyName())) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
if ( scrollbar != null ) scrollbar.updateUI();
}
});
}
if ("background".equals(evt.getPropertyName())) {
// propagate application-specific background color to the
// scroll buttons.
Color newBackgr = (Color) evt.getNewValue();
if (!(newBackgr instanceof UIResource)) {
if (mySecondDecreaseButton != null) {
if (mySecondDecreaseButton.getBackground() instanceof UIResource) {
mySecondDecreaseButton.setBackground(newBackgr);
}
}
if (mySecondIncreaseButton != null) {
if (mySecondIncreaseButton.getBackground() instanceof UIResource) {
mySecondIncreaseButton.setBackground(newBackgr);
}
}
if (incrButton != null) {
if (incrButton.getBackground() instanceof UIResource) {
incrButton.setBackground(newBackgr);
}
}
if (decrButton != null) {
if (decrButton.getBackground() instanceof UIResource) {
decrButton.setBackground(newBackgr);
}
}
}
}
}
};
this.scrollbar
.addPropertyChangeListener(this.substancePropertyListener);
this.mySecondDecreaseButton.addMouseListener(this.buttonListener);
this.mySecondIncreaseButton.addMouseListener(this.buttonListener);
this.substanceAdjustmentListener = new AdjustmentListener() {
@Override
public void adjustmentValueChanged(AdjustmentEvent e) {
SubstanceCoreUtilities
.testComponentStateChangeThreadingViolation(scrollbar);
Component parent = SubstanceScrollBarUI.this.scrollbar
.getParent();
if (parent instanceof JScrollPane) {
JScrollPane jsp = (JScrollPane) parent;
JScrollBar hor = jsp.getHorizontalScrollBar();
JScrollBar ver = jsp.getVerticalScrollBar();
JScrollBar other = null;
if (SubstanceScrollBarUI.this.scrollbar == hor) {
other = ver;
}
if (SubstanceScrollBarUI.this.scrollbar == ver) {
other = hor;
}
if ((other != null) && other.isVisible())
other.repaint();
SubstanceScrollBarUI.this.scrollbar.repaint();
}
}
};
this.scrollbar.addAdjustmentListener(this.substanceAdjustmentListener);
}
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.basic.BasicScrollBarUI#uninstallListeners()
*/
@Override
protected void uninstallListeners() {
// fix for defect 109 - memory leak on changing skin
this.incrButton.removeMouseListener(this.substanceMouseListener);
this.decrButton.removeMouseListener(this.substanceMouseListener);
this.mySecondDecreaseButton
.removeMouseListener(this.substanceMouseListener);
this.mySecondIncreaseButton
.removeMouseListener(this.substanceMouseListener);
this.substanceMouseListener = null;
this.scrollbar.removeMouseListener(this.substanceThumbRolloverListener);
this.scrollbar
.removeMouseMotionListener(this.substanceThumbRolloverListener);
this.substanceThumbRolloverListener = null;
this.scrollbar
.removePropertyChangeListener(this.substancePropertyListener);
this.substancePropertyListener = null;
this.mySecondDecreaseButton.removeMouseListener(this.buttonListener);
this.mySecondIncreaseButton.removeMouseListener(this.buttonListener);
this.scrollbar
.removeAdjustmentListener(this.substanceAdjustmentListener);
this.substanceAdjustmentListener = null;
super.uninstallListeners();
}
@Override
public boolean isInside(MouseEvent me) {
Rectangle trackB = this.getTrackBounds();
if (trackB == null)
return false;
return trackB.contains(me.getX(), me.getY());
}
@Override
public StateTransitionTracker getTransitionTracker() {
return this.compositeStateTransitionTracker;
}
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.basic.BasicScrollBarUI#scrollByBlock(int)
*/
@Override
public void scrollByBlock(int direction) {
// This method is called from SubstanceScrollPaneUI to implement wheel
// scrolling.
int oldValue = this.scrollbar.getValue();
int blockIncrement = this.scrollbar.getBlockIncrement(direction);
int delta = blockIncrement * ((direction > 0) ? +1 : -1);
int newValue = oldValue + delta;
// Check for overflow.
if ((delta > 0) && (newValue < oldValue)) {
newValue = this.scrollbar.getMaximum();
} else if ((delta < 0) && (newValue > oldValue)) {
newValue = this.scrollbar.getMinimum();
}
this.scrollbar.setValue(newValue);
}
/**
* Scrolls the associated scroll bar.
*
* @param direction
* Direction.
* @param units
* Scroll units.
*/
public void scrollByUnits(int direction, int units) {
// This method is called from SubstanceScrollPaneUI to implement wheel
// scrolling.
int delta;
for (int i = 0; i < units; i++) {
if (direction > 0) {
delta = this.scrollbar.getUnitIncrement(direction);
} else {
delta = -this.scrollbar.getUnitIncrement(direction);
}
int oldValue = this.scrollbar.getValue();
int newValue = oldValue + delta;
// Check for overflow.
if ((delta > 0) && (newValue < oldValue)) {
newValue = this.scrollbar.getMaximum();
} else if ((delta < 0) && (newValue > oldValue)) {
newValue = this.scrollbar.getMinimum();
}
if (oldValue == newValue) {
break;
}
this.scrollbar.setValue(newValue);
}
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI#layoutVScrollbar(javax.swing.
* JScrollBar)
*/
@Override
protected void layoutVScrollbar(JScrollBar sb) {
ScrollPaneButtonPolicyKind buttonPolicy = SubstanceCoreUtilities
.getScrollPaneButtonsPolicyKind(this.scrollbar);
this.mySecondDecreaseButton.setBounds(0, 0, 0, 0);
this.mySecondIncreaseButton.setBounds(0, 0, 0, 0);
switch (buttonPolicy) {
case OPPOSITE:
super.layoutVScrollbar(sb);
break;
case NONE:
this.layoutVScrollbarNone(sb);
break;
case ADJACENT:
this.layoutVScrollbarAdjacent(sb);
break;
case MULTIPLE:
this.layoutVScrollbarMultiple(sb);
break;
case MULTIPLE_BOTH:
this.layoutVScrollbarMultipleBoth(sb);
break;
}
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI#layoutHScrollbar(javax.swing.
* JScrollBar)
*/
@Override
protected void layoutHScrollbar(JScrollBar sb) {
this.mySecondDecreaseButton.setBounds(0, 0, 0, 0);
this.mySecondIncreaseButton.setBounds(0, 0, 0, 0);
ScrollPaneButtonPolicyKind buttonPolicy = SubstanceCoreUtilities
.getScrollPaneButtonsPolicyKind(this.scrollbar);
switch (buttonPolicy) {
case OPPOSITE:
super.layoutHScrollbar(sb);
break;
case NONE:
this.layoutHScrollbarNone(sb);
break;
case ADJACENT:
this.layoutHScrollbarAdjacent(sb);
break;
case MULTIPLE:
this.layoutHScrollbarMultiple(sb);
break;
case MULTIPLE_BOTH:
this.layoutHScrollbarMultipleBoth(sb);
break;
}
}
/**
* Lays out the vertical scroll bar when the button policy is
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#ADJACENT}.
*
* @param sb
* Scroll bar.
*/
protected void layoutVScrollbarAdjacent(JScrollBar sb) {
Dimension sbSize = sb.getSize();
Insets sbInsets = sb.getInsets();
/*
* Width and left edge of the buttons and thumb.
*/
int itemW = sbSize.width - (sbInsets.left + sbInsets.right);
int itemX = sbInsets.left;
/*
* Nominal locations of the buttons, assuming their preferred size will
* fit.
*/
int incrButtonH = itemW;
int incrButtonY = sbSize.height - (sbInsets.bottom + incrButtonH);
int decrButton2H = itemW;
int decrButton2Y = incrButtonY - decrButton2H;
/*
* The thumb must fit within the height left over after we subtract the
* preferredSize of the buttons and the insets.
*/
int sbInsetsH = sbInsets.top + sbInsets.bottom;
int sbButtonsH = decrButton2H + incrButtonH;
float trackH = sbSize.height - (sbInsetsH + sbButtonsH);
/*
* Compute the height and origin of the thumb. The case where the thumb
* is at the bottom edge is handled specially to avoid numerical
* problems in computing thumbY. Enforce the thumbs min/max dimensions.
* If the thumb doesn't fit in the track (trackH) we'll hide it later.
*/
float min = sb.getMinimum();
float extent = sb.getVisibleAmount();
float range = sb.getMaximum() - min;
float value = sb.getValue();
int thumbH = (range <= 0) ? this.getMaximumThumbSize().height
: (int) (trackH * (extent / range));
thumbH = Math.max(thumbH, this.getMinimumThumbSize().height);
thumbH = Math.min(thumbH, this.getMaximumThumbSize().height);
int thumbY = decrButton2Y - thumbH;
if (value < (sb.getMaximum() - sb.getVisibleAmount())) {
float thumbRange = trackH - thumbH;
thumbY = (int) (0.5f + (thumbRange * ((value - min) / (range - extent))));
}
/*
* If the buttons don't fit, allocate half of the available space to
* each and move the lower one (incrButton) down.
*/
int sbAvailButtonH = (sbSize.height - sbInsetsH);
if (sbAvailButtonH < sbButtonsH) {
incrButtonH = decrButton2H = sbAvailButtonH / 2;
incrButtonY = sbSize.height - (sbInsets.bottom + incrButtonH);
}
this.mySecondIncreaseButton.setBounds(0, 0, 0, 0);
this.decrButton.setBounds(0, 0, 0, 0);
this.mySecondDecreaseButton.setBounds(itemX,
incrButtonY - decrButton2H, itemW, decrButton2H);
this.incrButton.setBounds(itemX, incrButtonY - 1, itemW,
incrButtonH + 1);
/*
* Update the trackRect field.
*/
int itrackY = 0;
int itrackH = decrButton2Y - itrackY;
this.trackRect.setBounds(itemX, itrackY, itemW, itrackH);
/*
* If the thumb isn't going to fit, zero it's bounds. Otherwise make
* sure it fits between the buttons. Note that setting the thumbs bounds
* will cause a repaint.
*/
if (thumbH >= (int) trackH) {
this.setThumbBounds(0, 0, 0, 0);
} else {
if ((thumbY + thumbH) > decrButton2Y) {
thumbY = decrButton2Y - thumbH;
}
if (thumbY < 0) {
thumbY = 0;
}
this.setThumbBounds(itemX, thumbY, itemW, thumbH);
}
}
/**
* Lays out the vertical scroll bar when the button policy is
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#ADJACENT}.
*
* @param sb
* Scroll bar.
*/
protected void layoutVScrollbarNone(JScrollBar sb) {
Dimension sbSize = sb.getSize();
Insets sbInsets = sb.getInsets();
/*
* Width and left edge of the buttons and thumb.
*/
int itemW = sbSize.width - (sbInsets.left + sbInsets.right);
int itemX = sbInsets.left;
/*
* Nominal locations of the buttons, assuming their preferred size will
* fit.
*/
int incrButtonH = 0;
int incrButtonY = sbSize.height - (sbInsets.bottom + incrButtonH);
int decrButton2H = 0;
int decrButton2Y = incrButtonY - decrButton2H;
/*
* The thumb must fit within the height left over after we subtract the
* preferredSize of the buttons and the insets.
*/
int sbInsetsH = sbInsets.top + sbInsets.bottom;
int sbButtonsH = decrButton2H + incrButtonH;
float trackH = sbSize.height - (sbInsetsH + sbButtonsH);
/*
* Compute the height and origin of the thumb. The case where the thumb
* is at the bottom edge is handled specially to avoid numerical
* problems in computing thumbY. Enforce the thumbs min/max dimensions.
* If the thumb doesn't fit in the track (trackH) we'll hide it later.
*/
float min = sb.getMinimum();
float extent = sb.getVisibleAmount();
float range = sb.getMaximum() - min;
float value = sb.getValue();
int thumbH = (range <= 0) ? this.getMaximumThumbSize().height
: (int) (trackH * (extent / range));
thumbH = Math.max(thumbH, this.getMinimumThumbSize().height);
thumbH = Math.min(thumbH, this.getMaximumThumbSize().height);
int thumbY = decrButton2Y - thumbH;
if (value < (sb.getMaximum() - sb.getVisibleAmount())) {
float thumbRange = trackH - thumbH;
thumbY = (int) (0.5f + (thumbRange * ((value - min) / (range - extent))));
}
/*
* If the buttons don't fit, allocate half of the available space to
* each and move the lower one (incrButton) down.
*/
int sbAvailButtonH = (sbSize.height - sbInsetsH);
if (sbAvailButtonH < sbButtonsH) {
incrButtonH = 0;// decrButton2H = 0;
// incrButtonY = sbSize.height - (sbInsets.bottom + incrButtonH);
}
this.decrButton.setBounds(0, 0, 0, 0);
this.mySecondDecreaseButton.setBounds(0, 0, 0, 0);
this.incrButton.setBounds(0, 0, 0, 0);
this.mySecondIncreaseButton.setBounds(0, 0, 0, 0);
/*
* Update the trackRect field.
*/
int itrackY = 0;
int itrackH = decrButton2Y - itrackY;
this.trackRect.setBounds(itemX, itrackY, itemW, itrackH);
/*
* If the thumb isn't going to fit, zero it's bounds. Otherwise make
* sure it fits between the buttons. Note that setting the thumbs bounds
* will cause a repaint.
*/
if (thumbH >= (int) trackH) {
this.setThumbBounds(0, 0, 0, 0);
} else {
if ((thumbY + thumbH) > decrButton2Y) {
thumbY = decrButton2Y - thumbH;
}
if (thumbY < 0) {
thumbY = 0;
}
this.setThumbBounds(itemX, thumbY, itemW, thumbH);
}
}
/**
* Lays out the vertical scroll bar when the button policy is
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#MULTIPLE}.
*
* @param sb
* Scroll bar.
*/
protected void layoutVScrollbarMultiple(JScrollBar sb) {
Dimension sbSize = sb.getSize();
Insets sbInsets = sb.getInsets();
/*
* Width and left edge of the buttons and thumb.
*/
int itemW = sbSize.width - (sbInsets.left + sbInsets.right);
int itemX = sbInsets.left;
/*
* Nominal locations of the buttons, assuming their preferred size will
* fit.
*/
int incrButtonH = itemW;
int incrButtonY = sbSize.height - (sbInsets.bottom + incrButtonH);
int decrButton2H = itemW;
int decrButton2Y = incrButtonY - decrButton2H;
int decrButtonH = itemW;
int decrButtonY = sbInsets.top;
/*
* The thumb must fit within the height left over after we subtract the
* preferredSize of the buttons and the insets.
*/
int sbInsetsH = sbInsets.top + sbInsets.bottom;
int sbButtonsH = decrButton2H + incrButtonH + decrButtonH;
float trackH = sbSize.height - (sbInsetsH + sbButtonsH);
/*
* Compute the height and origin of the thumb. The case where the thumb
* is at the bottom edge is handled specially to avoid numerical
* problems in computing thumbY. Enforce the thumbs min/max dimensions.
* If the thumb doesn't fit in the track (trackH) we'll hide it later.
*/
float min = sb.getMinimum();
float extent = sb.getVisibleAmount();
float range = sb.getMaximum() - min;
float value = sb.getValue();
int thumbH = (range <= 0) ? this.getMaximumThumbSize().height
: (int) (trackH * (extent / range));
thumbH = Math.max(thumbH, this.getMinimumThumbSize().height);
thumbH = Math.min(thumbH, this.getMaximumThumbSize().height);
int thumbY = decrButton2Y - thumbH;
if (value < (sb.getMaximum() - sb.getVisibleAmount())) {
float thumbRange = trackH - thumbH;
thumbY = (int) (0.5f + (thumbRange * ((value - min) / (range - extent))));
thumbY += decrButtonY + decrButtonH;
}
/*
* If the buttons don't fit, allocate half of the available space to
* each and move the lower one (incrButton) down.
*/
int sbAvailButtonH = (sbSize.height - sbInsetsH);
if (sbAvailButtonH < sbButtonsH) {
incrButtonH = decrButton2H = decrButtonH = sbAvailButtonH / 2;
incrButtonY = sbSize.height - (sbInsets.bottom + incrButtonH);
}
this.decrButton.setBounds(itemX, decrButtonY, itemW, decrButtonH);
this.mySecondDecreaseButton.setBounds(itemX,
incrButtonY - decrButton2H, itemW, decrButton2H);
this.incrButton.setBounds(itemX, incrButtonY - 1, itemW,
incrButtonH + 1);
this.mySecondIncreaseButton.setBounds(0, 0, 0, 0);
/*
* Update the trackRect field.
*/
int itrackY = decrButtonY + decrButtonH;
int itrackH = decrButton2Y - itrackY;
this.trackRect.setBounds(itemX, itrackY, itemW, itrackH);
/*
* If the thumb isn't going to fit, zero it's bounds. Otherwise make
* sure it fits between the buttons. Note that setting the thumbs bounds
* will cause a repaint.
*/
if (thumbH >= (int) trackH) {
this.setThumbBounds(0, 0, 0, 0);
} else {
if ((thumbY + thumbH) > decrButton2Y) {
thumbY = decrButton2Y - thumbH;
}
if (thumbY < (decrButtonY + decrButtonH)) {
thumbY = decrButtonY + decrButtonH + 1;
}
this.setThumbBounds(itemX, thumbY, itemW, thumbH);
}
}
/**
* Lays out the vertical scroll bar when the button policy is
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#MULTIPLE_BOTH}.
*
* @param sb
* Scroll bar.
*/
protected void layoutVScrollbarMultipleBoth(JScrollBar sb) {
Dimension sbSize = sb.getSize();
Insets sbInsets = sb.getInsets();
/*
* Width and left edge of the buttons and thumb.
*/
int itemW = sbSize.width - (sbInsets.left + sbInsets.right);
int itemX = sbInsets.left;
/*
* Nominal locations of the buttons, assuming their preferred size will
* fit.
*/
int incrButtonH = itemW;
int incrButtonY = sbSize.height - (sbInsets.bottom + incrButtonH);
int decrButton2H = itemW;
int decrButton2Y = incrButtonY - decrButton2H;
int decrButtonH = itemW;
int decrButtonY = sbInsets.top;
int incrButton2H = itemW;
int incrButton2Y = decrButtonY + decrButtonH;
/*
* The thumb must fit within the height left over after we subtract the
* preferredSize of the buttons and the insets.
*/
int sbInsetsH = sbInsets.top + sbInsets.bottom;
int sbButtonsH = decrButton2H + incrButtonH + decrButtonH
+ incrButton2H;
float trackH = sbSize.height - (sbInsetsH + sbButtonsH);
/*
* Compute the height and origin of the thumb. The case where the thumb
* is at the bottom edge is handled specially to avoid numerical
* problems in computing thumbY. Enforce the thumbs min/max dimensions.
* If the thumb doesn't fit in the track (trackH) we'll hide it later.
*/
float min = sb.getMinimum();
float extent = sb.getVisibleAmount();
float range = sb.getMaximum() - min;
float value = sb.getValue();
int thumbH = (range <= 0) ? this.getMaximumThumbSize().height
: (int) (trackH * (extent / range));
thumbH = Math.max(thumbH, this.getMinimumThumbSize().height);
thumbH = Math.min(thumbH, this.getMaximumThumbSize().height);
int thumbY = decrButton2Y - thumbH;
if (value < (sb.getMaximum() - sb.getVisibleAmount())) {
float thumbRange = trackH - thumbH;
thumbY = (int) (0.5f + (thumbRange * ((value - min) / (range - extent))));
thumbY += incrButton2Y + incrButton2H;
}
/*
* If the buttons don't fit, allocate half of the available space to
* each and move the lower one (incrButton) down.
*/
int sbAvailButtonH = (sbSize.height - sbInsetsH);
if (sbAvailButtonH < sbButtonsH) {
incrButtonH = decrButton2H = decrButtonH = incrButton2H = sbAvailButtonH / 4;
incrButtonY = sbSize.height - (sbInsets.bottom + incrButtonH);
}
this.decrButton.setBounds(itemX, decrButtonY, itemW, decrButtonH);
this.mySecondDecreaseButton.setBounds(itemX,
incrButtonY - decrButton2H, itemW, decrButton2H);
this.incrButton.setBounds(itemX, incrButtonY - 1, itemW,
incrButtonH + 1);
this.mySecondIncreaseButton.setBounds(itemX, decrButtonY + decrButtonH
- 1, itemW, incrButton2H + 1);
/*
* Update the trackRect field.
*/
int itrackY = incrButton2Y + incrButton2H;
int itrackH = decrButton2Y - itrackY;
this.trackRect.setBounds(itemX, itrackY, itemW, itrackH);
/*
* If the thumb isn't going to fit, zero it's bounds. Otherwise make
* sure it fits between the buttons. Note that setting the thumbs bounds
* will cause a repaint.
*/
if (thumbH >= (int) trackH) {
this.setThumbBounds(0, 0, 0, 0);
} else {
if ((thumbY + thumbH) > decrButton2Y) {
thumbY = decrButton2Y - thumbH;
}
if (thumbY < (incrButton2Y + incrButton2H)) {
thumbY = incrButton2Y + incrButton2H + 1;
}
this.setThumbBounds(itemX, thumbY, itemW, thumbH);
}
}
/**
* Lays out the horizontal scroll bar when the button policy is
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#ADJACENT}.
*
* @param sb
* Scroll bar.
*/
protected void layoutHScrollbarAdjacent(JScrollBar sb) {
Dimension sbSize = sb.getSize();
Insets sbInsets = sb.getInsets();
/*
* Height and top edge of the buttons and thumb.
*/
int itemH = sbSize.height - (sbInsets.top + sbInsets.bottom);
int itemY = sbInsets.top;
boolean ltr = sb.getComponentOrientation().isLeftToRight();
/*
* Nominal locations of the buttons, assuming their preferred size will
* fit.
*/
int decrButton2W = itemH;
int incrButtonW = itemH;
int incrButtonX = ltr ? sbSize.width - (sbInsets.right + incrButtonW)
: sbInsets.left;
int decrButton2X = ltr ? incrButtonX - decrButton2W : incrButtonX
+ decrButton2W;
/*
* The thumb must fit within the width left over after we subtract the
* preferredSize of the buttons and the insets.
*/
int sbInsetsW = sbInsets.left + sbInsets.right;
int sbButtonsW = decrButton2W + incrButtonW;
float trackW = sbSize.width - (sbInsetsW + sbButtonsW);
/*
* Compute the width and origin of the thumb. Enforce the thumbs min/max
* dimensions. The case where the thumb is at the right edge is handled
* specially to avoid numerical problems in computing thumbX. If the
* thumb doesn't fit in the track (trackH) we'll hide it later.
*/
float min = sb.getMinimum();
float max = sb.getMaximum();
float extent = sb.getVisibleAmount();
float range = max - min;
float value = sb.getValue();
int thumbW = (range <= 0) ? this.getMaximumThumbSize().width
: (int) (trackW * (extent / range));
thumbW = Math.max(thumbW, this.getMinimumThumbSize().width);
thumbW = Math.min(thumbW, this.getMaximumThumbSize().width);
int thumbX = ltr ? decrButton2X - thumbW : sbInsets.left;
if (value < (max - sb.getVisibleAmount())) {
float thumbRange = trackW - thumbW;
if (ltr) {
thumbX = (int) (0.5f + (thumbRange * ((value - min) / (range - extent))));
} else {
thumbX = (int) (0.5f + (thumbRange * ((max - extent - value) / (range - extent))));
thumbX += decrButton2X + decrButton2W;
}
}
/*
* If the buttons don't fit, allocate half of the available space to
* each and move the right one over.
*/
int sbAvailButtonW = (sbSize.width - sbInsetsW);
if (sbAvailButtonW < sbButtonsW) {
incrButtonW = decrButton2W = sbAvailButtonW / 2;
incrButtonX = ltr ? sbSize.width - (sbInsets.right + incrButtonW)
: sbInsets.left;
}
this.mySecondDecreaseButton.setBounds(decrButton2X + (ltr ? 0 : -1),
itemY, decrButton2W + 1, itemH);
this.incrButton.setBounds(incrButtonX, itemY, incrButtonW, itemH);
this.decrButton.setBounds(0, 0, 0, 0);
this.mySecondIncreaseButton.setBounds(0, 0, 0, 0);
/*
* Update the trackRect field.
*/
if (ltr) {
int itrackX = sbInsets.left;
int itrackW = decrButton2X - itrackX;
this.trackRect.setBounds(itrackX, itemY, itrackW, itemH);
} else {
int itrackX = decrButton2X + decrButton2W;
int itrackW = sbSize.width - itrackX;
this.trackRect.setBounds(itrackX, itemY, itrackW, itemH);
}
/*
* Make sure the thumb fits between the buttons. Note that setting the
* thumbs bounds causes a repaint.
*/
if (thumbW >= (int) trackW) {
this.setThumbBounds(0, 0, 0, 0);
} else {
if (ltr) {
if (thumbX + thumbW > decrButton2X) {
thumbX = decrButton2X - thumbW;
}
if (thumbX < 0) {
thumbX = 1;
}
} else {
if (thumbX + thumbW > (sbSize.width - sbInsets.left)) {
thumbX = sbSize.width - sbInsets.left - thumbW;
}
if (thumbX < (decrButton2X + decrButton2W)) {
thumbX = decrButton2X + decrButton2W + 1;
}
}
this.setThumbBounds(thumbX, itemY, thumbW, itemH);
}
}
/**
* Lays out the horizontal scroll bar when the button policy is
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#NONE}.
*
* @param sb
* Scroll bar.
*/
protected void layoutHScrollbarNone(JScrollBar sb) {
Dimension sbSize = sb.getSize();
Insets sbInsets = sb.getInsets();
/*
* Height and top edge of the buttons and thumb.
*/
int itemH = sbSize.height - (sbInsets.top + sbInsets.bottom);
int itemY = sbInsets.top;
boolean ltr = sb.getComponentOrientation().isLeftToRight();
/*
* Nominal locations of the buttons, assuming their preferred size will
* fit.
*/
int decrButton2W = 0;
int incrButtonW = 0;
int incrButtonX = ltr ? sbSize.width - (sbInsets.right + incrButtonW)
: sbInsets.left;
int decrButton2X = ltr ? incrButtonX - decrButton2W : incrButtonX
+ decrButton2W;
/*
* The thumb must fit within the width left over after we subtract the
* preferredSize of the buttons and the insets.
*/
int sbInsetsW = sbInsets.left + sbInsets.right;
int sbButtonsW = decrButton2W + incrButtonW;
float trackW = sbSize.width - (sbInsetsW + sbButtonsW);
/*
* Compute the width and origin of the thumb. Enforce the thumbs min/max
* dimensions. The case where the thumb is at the right edge is handled
* specially to avoid numerical problems in computing thumbX. If the
* thumb doesn't fit in the track (trackH) we'll hide it later.
*/
float min = sb.getMinimum();
float max = sb.getMaximum();
float extent = sb.getVisibleAmount();
float range = max - min;
float value = sb.getValue();
int thumbW = (range <= 0) ? this.getMaximumThumbSize().width
: (int) (trackW * (extent / range));
thumbW = Math.max(thumbW, this.getMinimumThumbSize().width);
thumbW = Math.min(thumbW, this.getMaximumThumbSize().width);
int thumbX = ltr ? decrButton2X - thumbW : sbInsets.left;
if (value < (max - sb.getVisibleAmount())) {
float thumbRange = trackW - thumbW;
if (ltr) {
thumbX = (int) (0.5f + (thumbRange * ((value - min) / (range - extent))));
} else {
thumbX = (int) (0.5f + (thumbRange * ((max - extent - value) / (range - extent))));
thumbX += decrButton2X + decrButton2W;
}
}
/*
* If the buttons don't fit, allocate half of the available space to
* each and move the right one over.
*/
int sbAvailButtonW = (sbSize.width - sbInsetsW);
if (sbAvailButtonW < sbButtonsW) {
incrButtonW = decrButton2W = 0;
// incrButtonX = ltr ? sbSize.width - (sbInsets.right + incrButtonW)
// : sbInsets.left;
}
this.incrButton.setBounds(0, 0, 0, 0);
this.decrButton.setBounds(0, 0, 0, 0);
this.mySecondIncreaseButton.setBounds(0, 0, 0, 0);
this.mySecondDecreaseButton.setBounds(0, 0, 0, 0);
/*
* Update the trackRect field.
*/
if (ltr) {
int itrackX = sbInsets.left;
int itrackW = decrButton2X - itrackX;
this.trackRect.setBounds(itrackX, itemY, itrackW, itemH);
} else {
int itrackX = decrButton2X + decrButton2W;
int itrackW = sbSize.width - itrackX;
this.trackRect.setBounds(itrackX, itemY, itrackW, itemH);
}
/*
* Make sure the thumb fits between the buttons. Note that setting the
* thumbs bounds causes a repaint.
*/
if (thumbW >= (int) trackW) {
this.setThumbBounds(0, 0, 0, 0);
} else {
if (ltr) {
if (thumbX + thumbW > decrButton2X) {
thumbX = decrButton2X - thumbW;
}
if (thumbX < 0) {
thumbX = 1;
}
} else {
if (thumbX + thumbW > (sbSize.width - sbInsets.left)) {
thumbX = sbSize.width - sbInsets.left - thumbW;
}
if (thumbX < (decrButton2X + decrButton2W)) {
thumbX = decrButton2X + decrButton2W + 1;
}
}
this.setThumbBounds(thumbX, itemY, thumbW, itemH);
}
}
/**
* Lays out the horizontal scroll bar when the button policy is
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#MULTIPLE}.
*
* @param sb
* Scroll bar.
*/
protected void layoutHScrollbarMultiple(JScrollBar sb) {
Dimension sbSize = sb.getSize();
Insets sbInsets = sb.getInsets();
/*
* Height and top edge of the buttons and thumb.
*/
int itemH = sbSize.height - (sbInsets.top + sbInsets.bottom);
int itemY = sbInsets.top;
boolean ltr = sb.getComponentOrientation().isLeftToRight();
/*
* Nominal locations of the buttons, assuming their preferred size will
* fit.
*/
int decrButton2W = itemH;
int decrButtonW = itemH;
int incrButtonW = itemH;
int incrButtonX = ltr ? sbSize.width - (sbInsets.right + incrButtonW)
: sbInsets.left;
int decrButton2X = ltr ? incrButtonX - decrButton2W : incrButtonX
+ decrButton2W;
int decrButtonX = ltr ? sbInsets.left : sbSize.width - sbInsets.right
- decrButtonW;
/*
* The thumb must fit within the width left over after we subtract the
* preferredSize of the buttons and the insets.
*/
int sbInsetsW = sbInsets.left + sbInsets.right;
int sbButtonsW = decrButton2W + incrButtonW + decrButtonW;
float trackW = sbSize.width - (sbInsetsW + sbButtonsW);
/*
* Compute the width and origin of the thumb. Enforce the thumbs min/max
* dimensions. The case where the thumb is at the right edge is handled
* specially to avoid numerical problems in computing thumbX. If the
* thumb doesn't fit in the track (trackH) we'll hide it later.
*/
float min = sb.getMinimum();
float max = sb.getMaximum();
float extent = sb.getVisibleAmount();
float range = max - min;
float value = sb.getValue();
int thumbW = (range <= 0) ? this.getMaximumThumbSize().width
: (int) (trackW * (extent / range));
thumbW = Math.max(thumbW, this.getMinimumThumbSize().width);
thumbW = Math.min(thumbW, this.getMaximumThumbSize().width);
int thumbX = ltr ? decrButton2X - thumbW : sbInsets.left;
if (value < (max - sb.getVisibleAmount())) {
float thumbRange = trackW - thumbW;
if (ltr) {
thumbX = (int) (0.5f + (thumbRange * ((value - min) / (range - extent))));
thumbX += decrButtonX + decrButtonW;
} else {
thumbX = (int) (0.5f + (thumbRange * ((max - extent - value) / (range - extent))));
thumbX += decrButton2X + decrButton2W;
}
}
/*
* If the buttons don't fit, allocate half of the available space to
* each and move the right one over.
*/
int sbAvailButtonW = (sbSize.width - sbInsetsW);
if (sbAvailButtonW < sbButtonsW) {
incrButtonW = decrButton2W = decrButtonW = sbAvailButtonW / 2;
incrButtonX = ltr ? sbSize.width - (sbInsets.right + incrButtonW)
: sbInsets.left;
}
this.mySecondDecreaseButton.setBounds(decrButton2X + (ltr ? 0 : -1),
itemY, decrButton2W + 1, itemH);
this.incrButton.setBounds(incrButtonX, itemY, incrButtonW, itemH);
this.decrButton.setBounds(decrButtonX, itemY, decrButtonW, itemH);
this.mySecondIncreaseButton.setBounds(0, 0, 0, 0);
/*
* Update the trackRect field.
*/
if (ltr) {
int itrackX = decrButtonX + decrButtonW;
int itrackW = decrButton2X - itrackX;
this.trackRect.setBounds(itrackX, itemY, itrackW, itemH);
} else {
int itrackX = decrButton2X + decrButton2W;
int itrackW = decrButtonX - itrackX;
this.trackRect.setBounds(itrackX, itemY, itrackW, itemH);
}
/*
* Make sure the thumb fits between the buttons. Note that setting the
* thumbs bounds causes a repaint.
*/
if (thumbW >= (int) trackW) {
this.setThumbBounds(0, 0, 0, 0);
} else {
if (ltr) {
if (thumbX + thumbW > decrButton2X) {
thumbX = decrButton2X - thumbW;
}
if (thumbX < (decrButtonX + decrButtonW)) {
thumbX = decrButtonX + decrButtonW + 1;
}
} else {
if (thumbX + thumbW > decrButtonX) {
thumbX = decrButtonX - thumbW;
}
if (thumbX < (decrButton2X + decrButton2W)) {
thumbX = decrButton2X + decrButton2W + 1;
}
}
this.setThumbBounds(thumbX, itemY, thumbW, itemH);
}
}
/**
* Lays out the horizontal scroll bar when the button policy is
* {@link org.pushingpixels.substance.api.SubstanceConstants.ScrollPaneButtonPolicyKind#MULTIPLE}.
*
* @param sb
* Scroll bar.
*/
protected void layoutHScrollbarMultipleBoth(JScrollBar sb) {
Dimension sbSize = sb.getSize();
Insets sbInsets = sb.getInsets();
/*
* Height and top edge of the buttons and thumb.
*/
int itemH = sbSize.height - (sbInsets.top + sbInsets.bottom);
int itemY = sbInsets.top;
boolean ltr = sb.getComponentOrientation().isLeftToRight();
/*
* Nominal locations of the buttons, assuming their preferred size will
* fit.
*/
int decrButton2W = itemH;
int incrButton2W = itemH;
int decrButtonW = itemH;
int incrButtonW = itemH;
int incrButtonX = ltr ? sbSize.width - (sbInsets.right + incrButtonW)
: sbInsets.left;
int decrButton2X = ltr ? incrButtonX - decrButton2W : incrButtonX
+ decrButton2W;
int decrButtonX = ltr ? sbInsets.left : sbSize.width - sbInsets.right
- decrButtonW;
int incrButton2X = ltr ? decrButtonX + decrButtonW : decrButtonX
- incrButton2W;
/*
* The thumb must fit within the width left over after we subtract the
* preferredSize of the buttons and the insets.
*/
int sbInsetsW = sbInsets.left + sbInsets.right;
int sbButtonsW = decrButton2W + incrButtonW + decrButtonW
+ incrButton2W;
float trackW = sbSize.width - (sbInsetsW + sbButtonsW);
/*
* Compute the width and origin of the thumb. Enforce the thumbs min/max
* dimensions. The case where the thumb is at the right edge is handled
* specially to avoid numerical problems in computing thumbX. If the
* thumb doesn't fit in the track (trackH) we'll hide it later.
*/
float min = sb.getMinimum();
float max = sb.getMaximum();
float extent = sb.getVisibleAmount();
float range = max - min;
float value = sb.getValue();
int thumbW = (range <= 0) ? this.getMaximumThumbSize().width
: (int) (trackW * (extent / range));
thumbW = Math.max(thumbW, this.getMinimumThumbSize().width);
thumbW = Math.min(thumbW, this.getMaximumThumbSize().width);
int thumbX = ltr ? decrButton2X - thumbW : sbInsets.left;
if (value < (max - sb.getVisibleAmount())) {
float thumbRange = trackW - thumbW;
if (ltr) {
thumbX = (int) (0.5f + (thumbRange * ((value - min) / (range - extent))));
thumbX += incrButton2X + incrButton2W;
} else {
thumbX = (int) (0.5f + (thumbRange * ((max - extent - value) / (range - extent))));
thumbX += decrButton2X + decrButton2W;
}
}
/*
* If the buttons don't fit, allocate half of the available space to
* each and move the right one over.
*/
int sbAvailButtonW = (sbSize.width - sbInsetsW);
if (sbAvailButtonW < sbButtonsW) {
incrButtonW = decrButton2W = decrButtonW = incrButton2W = sbAvailButtonW / 4;
incrButtonX = ltr ? sbSize.width - (sbInsets.right + incrButtonW)
: sbInsets.left;
}
this.mySecondDecreaseButton.setBounds(decrButton2X + (ltr ? 0 : -1),
itemY, decrButton2W + 1, itemH);
this.mySecondIncreaseButton.setBounds(incrButton2X + (ltr ? -1 : 0),
itemY, incrButton2W + 1, itemH);
this.incrButton.setBounds(incrButtonX, itemY, incrButtonW, itemH);
this.decrButton.setBounds(decrButtonX, itemY, decrButtonW, itemH);
/*
* Update the trackRect field.
*/
if (ltr) {
int itrackX = incrButton2X + incrButton2W;
int itrackW = decrButton2X - itrackX;
this.trackRect.setBounds(itrackX, itemY, itrackW, itemH);
} else {
int itrackX = decrButton2X + decrButton2W;
int itrackW = incrButton2X - itrackX;
this.trackRect.setBounds(itrackX, itemY, itrackW, itemH);
}
/*
* Make sure the thumb fits between the buttons. Note that setting the
* thumbs bounds causes a repaint.
*/
if (thumbW >= (int) trackW) {
this.setThumbBounds(0, 0, 0, 0);
} else {
if (ltr) {
if (thumbX + thumbW > decrButton2X) {
thumbX = decrButton2X - thumbW;
}
if (thumbX < (incrButton2X + incrButton2W)) {
thumbX = incrButton2X + incrButton2W + 1;
}
} else {
if (thumbX + thumbW > incrButton2X) {
thumbX = incrButton2X - thumbW;
}
if (thumbX < (decrButton2X + decrButton2W)) {
thumbX = decrButton2X + decrButton2W + 1;
}
}
this.setThumbBounds(thumbX, itemY, thumbW, itemH);
}
}
/**
* Returns the memory usage string.
*
* @return The memory usage string.
*/
public static String getMemoryUsage() {
StringBuffer sb = new StringBuffer();
sb.append("SubstanceScrollBarUI: \n");
sb.append("\t" + thumbHorizontalMap.size() + " thumb horizontal, "
+ thumbVerticalMap.size() + " thumb vertical");
sb.append("\t" + trackHorizontalMap.size() + " track horizontal, "
+ trackVerticalMap.size() + " track vertical");
return sb.toString();
}
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.basic.BasicScrollBarUI#createTrackListener()
*/
@Override
protected TrackListener createTrackListener() {
return new SubstanceTrackListener();
}
/**
* Track mouse drags. Had to take this one from BasicScrollBarUI since the
* setValueForm method is private.
*/
protected class SubstanceTrackListener extends TrackListener {
/**
* Current scroll direction.
*/
private transient int direction = +1;
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI$TrackListener#mouseReleased
* (java.awt.event.MouseEvent)
*/
@Override
public void mouseReleased(MouseEvent e) {
if (SubstanceScrollBarUI.this.isDragging) {
SubstanceScrollBarUI.this.updateThumbState(e.getX(), e.getY());
}
if (SwingUtilities.isRightMouseButton(e)
|| (!SubstanceScrollBarUI.this
.getSupportsAbsolutePositioning() && SwingUtilities
.isMiddleMouseButton(e)))
return;
if (!SubstanceScrollBarUI.this.scrollbar.isEnabled())
return;
Rectangle r = SubstanceScrollBarUI.this.getTrackBounds();
SubstanceScrollBarUI.this.scrollbar.repaint(r.x, r.y, r.width,
r.height);
SubstanceScrollBarUI.this.trackHighlight = NO_HIGHLIGHT;
SubstanceScrollBarUI.this.isDragging = false;
this.offset = 0;
SubstanceScrollBarUI.this.scrollTimer.stop();
SubstanceScrollBarUI.this.scrollbar.setValueIsAdjusting(false);
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI$TrackListener#mousePressed
* (java.awt.event.MouseEvent)
*/
@Override
public void mousePressed(MouseEvent e) {
// If the mouse is pressed above the "thumb" component then reduce
// the scrollbars value by one page ("page up"), otherwise increase
// it by one page. If there is no thumb then page up if the mouse is
// in the upper half of the track.
if (SwingUtilities.isRightMouseButton(e)
|| (!SubstanceScrollBarUI.this
.getSupportsAbsolutePositioning() && SwingUtilities
.isMiddleMouseButton(e)))
return;
if (!SubstanceScrollBarUI.this.scrollbar.isEnabled())
return;
if (!SubstanceScrollBarUI.this.scrollbar.hasFocus()
&& SubstanceScrollBarUI.this.scrollbar
.isRequestFocusEnabled()) {
SubstanceScrollBarUI.this.scrollbar.requestFocus();
}
SubstanceScrollBarUI.this.scrollbar.setValueIsAdjusting(true);
this.currentMouseX = e.getX();
this.currentMouseY = e.getY();
// Clicked in the Thumb area?
if (SubstanceScrollBarUI.this.getThumbBounds().contains(
this.currentMouseX, this.currentMouseY)) {
switch (SubstanceScrollBarUI.this.scrollbar.getOrientation()) {
case JScrollBar.VERTICAL:
this.offset = this.currentMouseY
- SubstanceScrollBarUI.this.getThumbBounds().y;
break;
case JScrollBar.HORIZONTAL:
this.offset = this.currentMouseX
- SubstanceScrollBarUI.this.getThumbBounds().x;
break;
}
SubstanceScrollBarUI.this.isDragging = true;
return;
} else if (SubstanceScrollBarUI.this
.getSupportsAbsolutePositioning()
&& SwingUtilities.isMiddleMouseButton(e)) {
switch (SubstanceScrollBarUI.this.scrollbar.getOrientation()) {
case JScrollBar.VERTICAL:
this.offset = SubstanceScrollBarUI.this.getThumbBounds().height / 2;
break;
case JScrollBar.HORIZONTAL:
this.offset = SubstanceScrollBarUI.this.getThumbBounds().width / 2;
break;
}
SubstanceScrollBarUI.this.isDragging = true;
this.setValueFrom(e);
return;
}
SubstanceScrollBarUI.this.isDragging = false;
Dimension sbSize = SubstanceScrollBarUI.this.scrollbar.getSize();
this.direction = +1;
switch (SubstanceScrollBarUI.this.scrollbar.getOrientation()) {
case JScrollBar.VERTICAL:
if (SubstanceScrollBarUI.this.getThumbBounds().isEmpty()) {
int scrollbarCenter = sbSize.height / 2;
this.direction = (this.currentMouseY < scrollbarCenter) ? -1
: +1;
} else {
int thumbY = SubstanceScrollBarUI.this.getThumbBounds().y;
this.direction = (this.currentMouseY < thumbY) ? -1 : +1;
}
break;
case JScrollBar.HORIZONTAL:
if (SubstanceScrollBarUI.this.getThumbBounds().isEmpty()) {
int scrollbarCenter = sbSize.width / 2;
this.direction = (this.currentMouseX < scrollbarCenter) ? -1
: +1;
} else {
int thumbX = SubstanceScrollBarUI.this.getThumbBounds().x;
this.direction = (this.currentMouseX < thumbX) ? -1 : +1;
}
if (!SubstanceScrollBarUI.this.scrollbar
.getComponentOrientation().isLeftToRight()) {
this.direction = -this.direction;
}
break;
}
SubstanceScrollBarUI.this.scrollByBlock(this.direction);
SubstanceScrollBarUI.this.scrollTimer.stop();
SubstanceScrollBarUI.this.scrollListener
.setDirection(this.direction);
SubstanceScrollBarUI.this.scrollListener.setScrollByBlock(true);
this.startScrollTimerIfNecessary();
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI$TrackListener#mouseDragged
* (java.awt.event.MouseEvent)
*/
@Override
public void mouseDragged(MouseEvent e) {
// Set the models value to the position of the thumb's top of
// Vertical scrollbar, or the left/right of Horizontal scrollbar in
// LTR / RTL scrollbar relative to the origin of
// the track.
if (SwingUtilities.isRightMouseButton(e)
|| (!SubstanceScrollBarUI.this
.getSupportsAbsolutePositioning() && SwingUtilities
.isMiddleMouseButton(e)))
return;
if (!SubstanceScrollBarUI.this.scrollbar.isEnabled()
|| SubstanceScrollBarUI.this.getThumbBounds().isEmpty()) {
return;
}
if (SubstanceScrollBarUI.this.isDragging) {
this.setValueFrom(e);
} else {
this.currentMouseX = e.getX();
this.currentMouseY = e.getY();
SubstanceScrollBarUI.this.updateThumbState(this.currentMouseX,
this.currentMouseY);
this.startScrollTimerIfNecessary();
}
}
/**
* Sets the scrollbar value based on the specified mouse event.
*
* @param e
* Mouse event.
*/
private void setValueFrom(MouseEvent e) {
boolean active = SubstanceScrollBarUI.this.isThumbRollover();
BoundedRangeModel model = SubstanceScrollBarUI.this.scrollbar
.getModel();
Rectangle thumbR = SubstanceScrollBarUI.this.getThumbBounds();
int thumbMin = 0, thumbMax = 0, thumbPos;
ScrollPaneButtonPolicyKind buttonPolicy = SubstanceCoreUtilities
.getScrollPaneButtonsPolicyKind(SubstanceScrollBarUI.this.scrollbar);
if (SubstanceScrollBarUI.this.scrollbar.getOrientation() == JScrollBar.VERTICAL) {
switch (buttonPolicy) {
case OPPOSITE:
thumbMin = SubstanceScrollBarUI.this.decrButton.getY()
+ SubstanceScrollBarUI.this.decrButton.getHeight();
thumbMax = SubstanceScrollBarUI.this.incrButton.getY()
- thumbR.height;
break;
case ADJACENT:
thumbMin = 0;
thumbMax = SubstanceScrollBarUI.this.mySecondDecreaseButton
.getY()
- thumbR.height;
break;
case NONE:
thumbMin = 0;
thumbMax = SubstanceScrollBarUI.this.scrollbar.getSize().height
- SubstanceScrollBarUI.this.scrollbar.getInsets().bottom
- thumbR.height;
break;
case MULTIPLE:
thumbMin = SubstanceScrollBarUI.this.decrButton.getY()
+ SubstanceScrollBarUI.this.decrButton.getHeight();
thumbMax = SubstanceScrollBarUI.this.mySecondDecreaseButton
.getY()
- thumbR.height;
break;
case MULTIPLE_BOTH:
thumbMin = SubstanceScrollBarUI.this.mySecondIncreaseButton
.getY()
+ SubstanceScrollBarUI.this.mySecondIncreaseButton
.getHeight();
thumbMax = SubstanceScrollBarUI.this.mySecondDecreaseButton
.getY()
- thumbR.height;
break;
}
thumbPos = Math.min(thumbMax, Math.max(thumbMin,
(e.getY() - this.offset)));
SubstanceScrollBarUI.this.setThumbBounds(thumbR.x, thumbPos,
thumbR.width, thumbR.height);
} else {
if (SubstanceScrollBarUI.this.scrollbar
.getComponentOrientation().isLeftToRight()) {
switch (buttonPolicy) {
case OPPOSITE:
thumbMin = SubstanceScrollBarUI.this.decrButton.getX()
+ SubstanceScrollBarUI.this.decrButton
.getWidth();
thumbMax = SubstanceScrollBarUI.this.incrButton.getX()
- thumbR.width;
break;
case ADJACENT:
thumbMin = 0;
thumbMax = SubstanceScrollBarUI.this.mySecondDecreaseButton
.getX()
- thumbR.width;
break;
case MULTIPLE:
thumbMin = SubstanceScrollBarUI.this.decrButton.getX()
+ SubstanceScrollBarUI.this.decrButton
.getWidth();
thumbMax = SubstanceScrollBarUI.this.mySecondDecreaseButton
.getX()
- thumbR.width;
break;
case MULTIPLE_BOTH:
thumbMin = SubstanceScrollBarUI.this.mySecondIncreaseButton
.getX()
+ SubstanceScrollBarUI.this.mySecondIncreaseButton
.getWidth();
thumbMax = SubstanceScrollBarUI.this.mySecondDecreaseButton
.getX()
- thumbR.width;
break;
case NONE:
thumbMin = 0;
thumbMax = SubstanceScrollBarUI.this.scrollbar
.getSize().width
- SubstanceScrollBarUI.this.scrollbar
.getInsets().right - thumbR.width;
break;
}
} else {
switch (buttonPolicy) {
case OPPOSITE:
thumbMin = SubstanceScrollBarUI.this.incrButton.getX()
+ SubstanceScrollBarUI.this.incrButton
.getWidth();
thumbMax = SubstanceScrollBarUI.this.decrButton.getX()
- thumbR.width;
break;
case ADJACENT:
thumbMin = SubstanceScrollBarUI.this.mySecondDecreaseButton
.getX()
+ SubstanceScrollBarUI.this.mySecondDecreaseButton
.getWidth();
thumbMax = SubstanceScrollBarUI.this.scrollbar
.getSize().width
- SubstanceScrollBarUI.this.scrollbar
.getInsets().right - thumbR.width;
break;
case MULTIPLE:
thumbMin = SubstanceScrollBarUI.this.mySecondDecreaseButton
.getX()
+ SubstanceScrollBarUI.this.mySecondDecreaseButton
.getWidth();
thumbMax = SubstanceScrollBarUI.this.decrButton.getX()
- thumbR.width;
break;
case MULTIPLE_BOTH:
thumbMin = SubstanceScrollBarUI.this.mySecondDecreaseButton
.getX()
+ SubstanceScrollBarUI.this.mySecondDecreaseButton
.getWidth();
thumbMax = SubstanceScrollBarUI.this.mySecondIncreaseButton
.getX()
- thumbR.width;
break;
case NONE:
thumbMin = 0;
thumbMax = SubstanceScrollBarUI.this.scrollbar
.getSize().width
- SubstanceScrollBarUI.this.scrollbar
.getInsets().right - thumbR.width;
break;
}
}
// System.out.println(thumbMin + " : " + thumbMax + " : "
// + (e.getX() - offset));
thumbPos = Math.min(thumbMax, Math.max(thumbMin,
(e.getX() - this.offset)));
SubstanceScrollBarUI.this.setThumbBounds(thumbPos, thumbR.y,
thumbR.width, thumbR.height);
}
/*
* Set the scrollbars value. If the thumb has reached the end of the
* scrollbar, then just set the value to its maximum. Otherwise
* compute the value as accurately as possible.
*/
if (thumbPos == thumbMax) {
if (SubstanceScrollBarUI.this.scrollbar.getOrientation() == JScrollBar.VERTICAL
|| SubstanceScrollBarUI.this.scrollbar
.getComponentOrientation().isLeftToRight()) {
SubstanceScrollBarUI.this.scrollbar.setValue(model
.getMaximum()
- model.getExtent());
} else {
SubstanceScrollBarUI.this.scrollbar.setValue(model
.getMinimum());
}
} else {
float valueMax = model.getMaximum() - model.getExtent();
float valueRange = valueMax - model.getMinimum();
float thumbValue = thumbPos - thumbMin;
float thumbRange = thumbMax - thumbMin;
int value;
if (SubstanceScrollBarUI.this.scrollbar.getOrientation() == JScrollBar.VERTICAL
|| SubstanceScrollBarUI.this.scrollbar
.getComponentOrientation().isLeftToRight()) {
value = (int) (0.5 + ((thumbValue / thumbRange) * valueRange));
} else {
value = (int) (0.5 + (((thumbMax - thumbPos) / thumbRange) * valueRange));
}
SubstanceScrollBarUI.this.scrollbar.setValue(value
+ model.getMinimum());
}
SubstanceScrollBarUI.this.setThumbRollover(active);
}
/**
* If necessary, starts the scroll timer.
*/
private void startScrollTimerIfNecessary() {
if (SubstanceScrollBarUI.this.scrollTimer.isRunning()) {
return;
}
switch (SubstanceScrollBarUI.this.scrollbar.getOrientation()) {
case JScrollBar.VERTICAL:
if (this.direction > 0) {
if (SubstanceScrollBarUI.this.getThumbBounds().y
+ SubstanceScrollBarUI.this.getThumbBounds().height < ((SubstanceTrackListener) SubstanceScrollBarUI.this.trackListener).currentMouseY) {
SubstanceScrollBarUI.this.scrollTimer.start();
}
} else if (SubstanceScrollBarUI.this.getThumbBounds().y > ((SubstanceTrackListener) SubstanceScrollBarUI.this.trackListener).currentMouseY) {
SubstanceScrollBarUI.this.scrollTimer.start();
}
break;
case JScrollBar.HORIZONTAL:
if (this.direction > 0) {
if (SubstanceScrollBarUI.this.getThumbBounds().x
+ SubstanceScrollBarUI.this.getThumbBounds().width < ((SubstanceTrackListener) SubstanceScrollBarUI.this.trackListener).currentMouseX) {
SubstanceScrollBarUI.this.scrollTimer.start();
}
} else if (SubstanceScrollBarUI.this.getThumbBounds().x > ((SubstanceTrackListener) SubstanceScrollBarUI.this.trackListener).currentMouseX) {
SubstanceScrollBarUI.this.scrollTimer.start();
}
break;
}
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI$TrackListener#mouseMoved(
* java.awt.event.MouseEvent)
*/
@Override
public void mouseMoved(MouseEvent e) {
if (!SubstanceScrollBarUI.this.isDragging) {
SubstanceScrollBarUI.this.updateThumbState(e.getX(), e.getY());
}
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI$TrackListener#mouseExited
* (java.awt.event.MouseEvent)
*/
@Override
public void mouseExited(MouseEvent e) {
if (!SubstanceScrollBarUI.this.isDragging) {
SubstanceScrollBarUI.this.setThumbRollover(false);
}
}
}
/*
* (non-Javadoc)
*
* @see javax.swing.plaf.basic.BasicScrollBarUI#createArrowButtonListener()
*/
@Override
protected ArrowButtonListener createArrowButtonListener() {
return new SubstanceArrowButtonListener();
}
/**
* Listener on arrow buttons. Need to override the super implementation for
* the {@link ScrollPaneButtonPolicyKind#MULTIPLE_BOTH} policy.
*
* @author Kirill Grouchnikov
*/
protected class SubstanceArrowButtonListener extends ArrowButtonListener {
/**
* Because we are handling both mousePressed and Actions we need to make
* sure we don't fire under both conditions. (keyfocus on scrollbars
* causes action without mousePress
*/
boolean handledEvent;
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI$ArrowButtonListener#mousePressed
* (java.awt.event.MouseEvent)
*/
@Override
public void mousePressed(MouseEvent e) {
if (!SubstanceScrollBarUI.this.scrollbar.isEnabled()) {
return;
}
// not an unmodified left mouse button
// if(e.getModifiers() != InputEvent.BUTTON1_MASK) {return; }
if (!SwingUtilities.isLeftMouseButton(e)) {
return;
}
int direction = ((e.getSource() == SubstanceScrollBarUI.this.incrButton) || (e
.getSource() == SubstanceScrollBarUI.this.mySecondIncreaseButton)) ? 1
: -1;
SubstanceScrollBarUI.this.scrollByUnit(direction);
SubstanceScrollBarUI.this.scrollTimer.stop();
SubstanceScrollBarUI.this.scrollListener.setDirection(direction);
SubstanceScrollBarUI.this.scrollListener.setScrollByBlock(false);
SubstanceScrollBarUI.this.scrollTimer.start();
this.handledEvent = true;
if (!SubstanceScrollBarUI.this.scrollbar.hasFocus()
&& SubstanceScrollBarUI.this.scrollbar
.isRequestFocusEnabled()) {
SubstanceScrollBarUI.this.scrollbar.requestFocus();
}
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI$ArrowButtonListener#mouseReleased
* (java.awt.event.MouseEvent)
*/
@Override
public void mouseReleased(MouseEvent e) {
SubstanceScrollBarUI.this.scrollTimer.stop();
this.handledEvent = false;
SubstanceScrollBarUI.this.scrollbar.setValueIsAdjusting(false);
}
}
/**
* Updates the thumb state based on the coordinates.
*
* @param x
* X coordinate.
* @param y
* Y coordinate.
*/
private void updateThumbState(int x, int y) {
Rectangle rect = this.getThumbBounds();
this.setThumbRollover(rect.contains(x, y));
}
/*
* (non-Javadoc)
*
* @see
* javax.swing.plaf.basic.BasicScrollBarUI#getPreferredSize(javax.swing.
* JComponent)
*/
@Override
public Dimension getPreferredSize(JComponent c) {
if (scrollbar.getOrientation() == JScrollBar.VERTICAL) {
return new Dimension(scrollBarWidth, Math.max(48,
5 * scrollBarWidth));
} else {
return new Dimension(Math.max(48, 5 * scrollBarWidth),
scrollBarWidth);
}
}
/**
* Composite button model that tracks changes to one primary and any number
* of secondary button models for composite rollover effects. This model can
* be used to "simulate" rollover effects on the primary component when the
* actual rollover happens on one of the secondary components. An example is
* a scroll bar. When the mouse enters one of the scroll buttons, the scroll
* track is highlighted as well.
*
* @author Kirill Grouchnikov
*/
private class CompositeButtonModel extends DefaultButtonModel {
/**
* The primary model.
*/
protected ButtonModel primaryModel;
/**
* The secondary models.
*/
protected ButtonModel[] secondaryModels;
protected ChangeListener listener;
/**
* Creates a new composite button model.
*
* @param primaryModel
* The primary model.
* @param secondaryButtons
* The secondary buttons.
*/
public CompositeButtonModel(ButtonModel primaryModel,
AbstractButton... secondaryButtons) {
this.primaryModel = primaryModel;
List bmList = new LinkedList();
for (AbstractButton secondary : secondaryButtons) {
if (secondary != null) {
bmList.add(secondary.getModel());
}
}
this.secondaryModels = bmList.toArray(new ButtonModel[0]);
this.listener = new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
syncModels();
}
};
syncModels();
}
private void syncModels() {
this.setEnabled(this.primaryModel.isEnabled());
this.setSelected(this.primaryModel.isSelected());
boolean isArmed = this.primaryModel.isArmed();
for (ButtonModel secondary : this.secondaryModels) {
isArmed = isArmed || secondary.isArmed();
}
this.setArmed(isArmed);
boolean isPressed = this.primaryModel.isPressed();
for (ButtonModel secondary : this.secondaryModels) {
isPressed = isPressed || secondary.isPressed();
}
this.setPressed(isPressed);
boolean isRollover = this.primaryModel.isRollover();
for (ButtonModel secondary : this.secondaryModels) {
isRollover = isRollover || secondary.isRollover();
}
this.setRollover(isRollover);
}
public void registerListeners() {
this.primaryModel.addChangeListener(this.listener);
for (ButtonModel secondary : this.secondaryModels) {
secondary.addChangeListener(this.listener);
}
}
public void unregisterListeners() {
this.primaryModel.removeChangeListener(this.listener);
for (ButtonModel secondary : this.secondaryModels) {
secondary.removeChangeListener(this.listener);
}
this.listener = null;
}
}
}
