| /* |
| * 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.Dimension; |
| import java.awt.Graphics; |
| import java.awt.Color; |
| import java.awt.Polygon; |
| |
| import javax.swing.*; |
| |
| import javax.swing.plaf.basic.BasicArrowButton; |
| |
| |
| /** |
| * JButton object for Metal scrollbar arrows. |
| * <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 Tom Santos |
| * @author Steve Wilson |
| */ |
| @SuppressWarnings("serial") // Same-version serialization only |
| public class MetalScrollButton extends BasicArrowButton |
| { |
| private static Color shadowColor; |
| private static Color highlightColor; |
| private boolean isFreeStanding = false; |
| |
| private int buttonWidth; |
| |
| /** |
| * Constructs an instance of {@code MetalScrollButton}. |
| * |
| * @param direction the direction |
| * @param width the width |
| * @param freeStanding the free standing value |
| */ |
| public MetalScrollButton( int direction, int width, boolean freeStanding ) |
| { |
| super( direction ); |
| |
| shadowColor = UIManager.getColor("ScrollBar.darkShadow"); |
| highlightColor = UIManager.getColor("ScrollBar.highlight"); |
| |
| buttonWidth = width; |
| isFreeStanding = freeStanding; |
| } |
| |
| /** |
| * Sets the free standing value. |
| * |
| * @param freeStanding the free standing value |
| */ |
| public void setFreeStanding( boolean freeStanding ) |
| { |
| isFreeStanding = freeStanding; |
| } |
| |
| public void paint( Graphics g ) |
| { |
| boolean leftToRight = MetalUtils.isLeftToRight(this); |
| boolean isEnabled = getParent().isEnabled(); |
| |
| Color arrowColor = isEnabled ? MetalLookAndFeel.getControlInfo() : MetalLookAndFeel.getControlDisabled(); |
| boolean isPressed = getModel().isPressed(); |
| int width = getWidth(); |
| int height = getHeight(); |
| int w = width; |
| int h = height; |
| int arrowHeight = (height+1) / 4; |
| int arrowWidth = (height+1) / 2; |
| |
| if ( isPressed ) |
| { |
| g.setColor( MetalLookAndFeel.getControlShadow() ); |
| } |
| else |
| { |
| g.setColor( getBackground() ); |
| } |
| |
| g.fillRect( 0, 0, width, height ); |
| |
| if ( getDirection() == NORTH ) |
| { |
| if ( !isFreeStanding ) { |
| height +=1; |
| g.translate( 0, -1 ); |
| width += 2; |
| if ( !leftToRight ) { |
| g.translate( -1, 0 ); |
| } |
| } |
| |
| // Draw the arrow |
| g.setColor( arrowColor ); |
| int startY = ((h+1) - arrowHeight) / 2; |
| int startX = (w / 2); |
| |
| g.translate(startX, startY); |
| g.fillPolygon(new int[]{0, 1, arrowHeight + 1, -arrowHeight}, |
| new int[]{0, 0, arrowHeight, arrowHeight}, 4); |
| g.translate(-startX, -startY); |
| |
| if (isEnabled) { |
| g.setColor( highlightColor ); |
| |
| if ( !isPressed ) |
| { |
| g.drawLine( 1, 1, width - 3, 1 ); |
| g.drawLine( 1, 1, 1, height - 1 ); |
| } |
| |
| g.drawLine( width - 1, 1, width - 1, height - 1 ); |
| |
| g.setColor( shadowColor ); |
| g.drawLine( 0, 0, width - 2, 0 ); |
| g.drawLine( 0, 0, 0, height - 1 ); |
| g.drawLine( width - 2, 2, width - 2, height - 1 ); |
| } else { |
| MetalUtils.drawDisabledBorder(g, 0, 0, width, height+1); |
| } |
| if ( !isFreeStanding ) { |
| height -= 1; |
| g.translate( 0, 1 ); |
| width -= 2; |
| if ( !leftToRight ) { |
| g.translate( 1, 0 ); |
| } |
| } |
| } |
| else if ( getDirection() == SOUTH ) |
| { |
| if ( !isFreeStanding ) { |
| height += 1; |
| width += 2; |
| if ( !leftToRight ) { |
| g.translate( -1, 0 ); |
| } |
| } |
| |
| // Draw the arrow |
| g.setColor( arrowColor ); |
| |
| int startY = (((h+1) - arrowHeight) / 2)+ arrowHeight-1; |
| int startX = (w / 2); |
| g.translate(startX, startY); |
| g.fillPolygon(new int[]{0, 1, arrowHeight + 1, -arrowHeight}, |
| new int[]{0, 0, -arrowHeight, -arrowHeight}, 4); |
| g.translate(-startX, -startY); |
| |
| if (isEnabled) { |
| g.setColor( highlightColor ); |
| |
| if ( !isPressed ) |
| { |
| g.drawLine( 1, 0, width - 3, 0 ); |
| g.drawLine( 1, 0, 1, height - 3 ); |
| } |
| |
| g.drawLine( 1, height - 1, width - 1, height - 1 ); |
| g.drawLine( width - 1, 0, width - 1, height - 1 ); |
| |
| g.setColor( shadowColor ); |
| g.drawLine( 0, 0, 0, height - 2 ); |
| g.drawLine( width - 2, 0, width - 2, height - 2 ); |
| g.drawLine( 2, height - 2, width - 2, height - 2 ); |
| } else { |
| MetalUtils.drawDisabledBorder(g, 0,-1, width, height+1); |
| } |
| |
| if ( !isFreeStanding ) { |
| height -= 1; |
| width -= 2; |
| if ( !leftToRight ) { |
| g.translate( 1, 0 ); |
| } |
| } |
| } |
| else if ( getDirection() == EAST ) |
| { |
| if ( !isFreeStanding ) { |
| height += 2; |
| width += 1; |
| } |
| |
| // Draw the arrow |
| g.setColor( arrowColor ); |
| |
| int startX = (((w+1) - arrowHeight) / 2) + arrowHeight-1; |
| int startY = (h / 2); |
| |
| g.translate(startX, startY); |
| g.fillPolygon(new int[]{0, 0, -arrowHeight, -arrowHeight}, |
| new int[]{0, 1, arrowHeight + 1, -arrowHeight}, 4); |
| g.translate(-startX, -startY); |
| |
| if (isEnabled) { |
| g.setColor( highlightColor ); |
| |
| if ( !isPressed ) |
| { |
| g.drawLine( 0, 1, width - 3, 1 ); |
| g.drawLine( 0, 1, 0, height - 3 ); |
| } |
| |
| g.drawLine( width - 1, 1, width - 1, height - 1 ); |
| g.drawLine( 0, height - 1, width - 1, height - 1 ); |
| |
| g.setColor( shadowColor ); |
| g.drawLine( 0, 0,width - 2, 0 ); |
| g.drawLine( width - 2, 2, width - 2, height - 2 ); |
| g.drawLine( 0, height - 2, width - 2, height - 2 ); |
| } else { |
| MetalUtils.drawDisabledBorder(g,-1,0, width+1, height); |
| } |
| if ( !isFreeStanding ) { |
| height -= 2; |
| width -= 1; |
| } |
| } |
| else if ( getDirection() == WEST ) |
| { |
| if ( !isFreeStanding ) { |
| height += 2; |
| width += 1; |
| g.translate( -1, 0 ); |
| } |
| |
| // Draw the arrow |
| g.setColor( arrowColor ); |
| |
| int startX = (((w+1) - arrowHeight) / 2); |
| int startY = (h / 2); |
| |
| g.translate(startX, startY); |
| g.fillPolygon(new int[]{0, 0, arrowHeight, arrowHeight}, |
| new int[]{0, 1, arrowHeight + 1, -arrowHeight}, 4); |
| g.translate(-startX, -startY); |
| |
| if (isEnabled) { |
| g.setColor( highlightColor ); |
| |
| |
| if ( !isPressed ) |
| { |
| g.drawLine( 1, 1, width - 1, 1 ); |
| g.drawLine( 1, 1, 1, height - 3 ); |
| } |
| |
| g.drawLine( 1, height - 1, width - 1, height - 1 ); |
| |
| g.setColor( shadowColor ); |
| g.drawLine( 0, 0, width - 1, 0 ); |
| g.drawLine( 0, 0, 0, height - 2 ); |
| g.drawLine( 2, height - 2, width - 1, height - 2 ); |
| } else { |
| MetalUtils.drawDisabledBorder(g,0,0, width+1, height); |
| } |
| |
| if ( !isFreeStanding ) { |
| height -= 2; |
| width -= 1; |
| g.translate( 1, 0 ); |
| } |
| } |
| } |
| |
| public Dimension getPreferredSize() |
| { |
| if ( getDirection() == NORTH ) |
| { |
| return new Dimension( buttonWidth, buttonWidth - 2 ); |
| } |
| else if ( getDirection() == SOUTH ) |
| { |
| return new Dimension( buttonWidth, buttonWidth - (isFreeStanding ? 1 : 2) ); |
| } |
| else if ( getDirection() == EAST ) |
| { |
| return new Dimension( buttonWidth - (isFreeStanding ? 1 : 2), buttonWidth ); |
| } |
| else if ( getDirection() == WEST ) |
| { |
| return new Dimension( buttonWidth - 2, buttonWidth ); |
| } |
| else |
| { |
| return new Dimension( 0, 0 ); |
| } |
| } |
| |
| public Dimension getMinimumSize() |
| { |
| return getPreferredSize(); |
| } |
| |
| public Dimension getMaximumSize() |
| { |
| return new Dimension( Integer.MAX_VALUE, Integer.MAX_VALUE ); |
| } |
| |
| /** |
| * Returns the width of the button. |
| * |
| * @return the width of the button |
| */ |
| public int getButtonWidth() { |
| return buttonWidth; |
| } |
| } |