--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/javax/swing/plaf/basic/BasicArrowButton.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,308 @@
+/*
+ * Copyright 1997-2006 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+package javax.swing.plaf.basic;
+
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Color;
+
+import javax.swing.*;
+import javax.swing.plaf.UIResource;
+
+/**
+ * JButton object that draws a scaled Arrow in one of the cardinal directions.
+ * <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<sup><font size="-2">TM</font></sup>
+ * has been added to the <code>java.beans</code> package.
+ * Please see {@link java.beans.XMLEncoder}.
+ *
+ * @author David Kloba
+ */
+public class BasicArrowButton extends JButton implements SwingConstants
+{
+ /**
+ * The direction of the arrow. One of
+ * {@code SwingConstants.NORTH}, {@code SwingConstants.SOUTH},
+ * {@code SwingConstants.EAST} or {@code SwingConstants.WEST}.
+ */
+ protected int direction;
+
+ private Color shadow;
+ private Color darkShadow;
+ private Color highlight;
+
+ /**
+ * Creates a {@code BasicArrowButton} whose arrow
+ * is drawn in the specified direction and with the specified
+ * colors.
+ *
+ * @param direction the direction of the arrow; one of
+ * {@code SwingConstants.NORTH}, {@code SwingConstants.SOUTH},
+ * {@code SwingConstants.EAST} or {@code SwingConstants.WEST}
+ * @param background the background color of the button
+ * @param shadow the color of the shadow
+ * @param darkShadow the color of the dark shadow
+ * @param highlight the color of the highlight
+ * @since 1.4
+ */
+ public BasicArrowButton(int direction, Color background, Color shadow,
+ Color darkShadow, Color highlight) {
+ super();
+ setRequestFocusEnabled(false);
+ setDirection(direction);
+ setBackground(background);
+ this.shadow = shadow;
+ this.darkShadow = darkShadow;
+ this.highlight = highlight;
+ }
+
+ /**
+ * Creates a {@code BasicArrowButton} whose arrow
+ * is drawn in the specified direction.
+ *
+ * @param direction the direction of the arrow; one of
+ * {@code SwingConstants.NORTH}, {@code SwingConstants.SOUTH},
+ * {@code SwingConstants.EAST} or {@code SwingConstants.WEST}
+ */
+ public BasicArrowButton(int direction) {
+ this(direction, UIManager.getColor("control"), UIManager.getColor("controlShadow"),
+ UIManager.getColor("controlDkShadow"), UIManager.getColor("controlLtHighlight"));
+ }
+
+ /**
+ * Returns the direction of the arrow.
+ */
+ public int getDirection() {
+ return direction;
+ }
+
+ /**
+ * Sets the direction of the arrow.
+ *
+ * @param direction the direction of the arrow; one of
+ * of {@code SwingConstants.NORTH},
+ * {@code SwingConstants.SOUTH},
+ * {@code SwingConstants.EAST} or {@code SwingConstants.WEST}
+ */
+ public void setDirection(int direction) {
+ this.direction = direction;
+ }
+
+ public void paint(Graphics g) {
+ Color origColor;
+ boolean isPressed, isEnabled;
+ int w, h, size;
+
+ w = getSize().width;
+ h = getSize().height;
+ origColor = g.getColor();
+ isPressed = getModel().isPressed();
+ isEnabled = isEnabled();
+
+ g.setColor(getBackground());
+ g.fillRect(1, 1, w-2, h-2);
+
+ /// Draw the proper Border
+ if (getBorder() != null && !(getBorder() instanceof UIResource)) {
+ paintBorder(g);
+ } else if (isPressed) {
+ g.setColor(shadow);
+ g.drawRect(0, 0, w-1, h-1);
+ } else {
+ // Using the background color set above
+ g.drawLine(0, 0, 0, h-1);
+ g.drawLine(1, 0, w-2, 0);
+
+ g.setColor(highlight); // inner 3D border
+ g.drawLine(1, 1, 1, h-3);
+ g.drawLine(2, 1, w-3, 1);
+
+ g.setColor(shadow); // inner 3D border
+ g.drawLine(1, h-2, w-2, h-2);
+ g.drawLine(w-2, 1, w-2, h-3);
+
+ g.setColor(darkShadow); // black drop shadow __|
+ g.drawLine(0, h-1, w-1, h-1);
+ g.drawLine(w-1, h-1, w-1, 0);
+ }
+
+ // If there's no room to draw arrow, bail
+ if(h < 5 || w < 5) {
+ g.setColor(origColor);
+ return;
+ }
+
+ if (isPressed) {
+ g.translate(1, 1);
+ }
+
+ // Draw the arrow
+ size = Math.min((h - 4) / 3, (w - 4) / 3);
+ size = Math.max(size, 2);
+ paintTriangle(g, (w - size) / 2, (h - size) / 2,
+ size, direction, isEnabled);
+
+ // Reset the Graphics back to it's original settings
+ if (isPressed) {
+ g.translate(-1, -1);
+ }
+ g.setColor(origColor);
+
+ }
+
+ /**
+ * Returns the preferred size of the {@code BasicArrowButton}.
+ *
+ * @return the preferred size
+ */
+ public Dimension getPreferredSize() {
+ return new Dimension(16, 16);
+ }
+
+ /**
+ * Returns the minimum size of the {@code BasicArrowButton}.
+ *
+ * @return the minimum size
+ */
+ public Dimension getMinimumSize() {
+ return new Dimension(5, 5);
+ }
+
+ /**
+ * Returns the maximum size of the {@code BasicArrowButton}.
+ *
+ * @return the maximum size
+ */
+ public Dimension getMaximumSize() {
+ return new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE);
+ }
+
+ /**
+ * Returns whether the arrow button should get the focus.
+ * {@code BasicArrowButton}s are used as a child component of
+ * composite components such as {@code JScrollBar} and
+ * {@code JComboBox}. Since the composite component typically gets the
+ * focus, this method is overriden to return {@code false}.
+ *
+ * @return {@code false}
+ */
+ public boolean isFocusTraversable() {
+ return false;
+ }
+
+ /**
+ * Paints a triangle.
+ *
+ * @param g the {@code Graphics} to draw to
+ * @param x the x coordinate
+ * @param y the y coordinate
+ * @param size the size of the triangle to draw
+ * @param direction the direction in which to draw the arrow;
+ * one of {@code SwingConstants.NORTH},
+ * {@code SwingConstants.SOUTH}, {@code SwingConstants.EAST} or
+ * {@code SwingConstants.WEST}
+ * @param isEnabled whether or not the arrow is drawn enabled
+ */
+ public void paintTriangle(Graphics g, int x, int y, int size,
+ int direction, boolean isEnabled) {
+ Color oldColor = g.getColor();
+ int mid, i, j;
+
+ j = 0;
+ size = Math.max(size, 2);
+ mid = (size / 2) - 1;
+
+ g.translate(x, y);
+ if(isEnabled)
+ g.setColor(darkShadow);
+ else
+ g.setColor(shadow);
+
+ switch(direction) {
+ case NORTH:
+ for(i = 0; i < size; i++) {
+ g.drawLine(mid-i, i, mid+i, i);
+ }
+ if(!isEnabled) {
+ g.setColor(highlight);
+ g.drawLine(mid-i+2, i, mid+i, i);
+ }
+ break;
+ case SOUTH:
+ if(!isEnabled) {
+ g.translate(1, 1);
+ g.setColor(highlight);
+ for(i = size-1; i >= 0; i--) {
+ g.drawLine(mid-i, j, mid+i, j);
+ j++;
+ }
+ g.translate(-1, -1);
+ g.setColor(shadow);
+ }
+
+ j = 0;
+ for(i = size-1; i >= 0; i--) {
+ g.drawLine(mid-i, j, mid+i, j);
+ j++;
+ }
+ break;
+ case WEST:
+ for(i = 0; i < size; i++) {
+ g.drawLine(i, mid-i, i, mid+i);
+ }
+ if(!isEnabled) {
+ g.setColor(highlight);
+ g.drawLine(i, mid-i+2, i, mid+i);
+ }
+ break;
+ case EAST:
+ if(!isEnabled) {
+ g.translate(1, 1);
+ g.setColor(highlight);
+ for(i = size-1; i >= 0; i--) {
+ g.drawLine(j, mid-i, j, mid+i);
+ j++;
+ }
+ g.translate(-1, -1);
+ g.setColor(shadow);
+ }
+
+ j = 0;
+ for(i = size-1; i >= 0; i--) {
+ g.drawLine(j, mid-i, j, mid+i);
+ j++;
+ }
+ break;
+ }
+ g.translate(-x, -y);
+ g.setColor(oldColor);
+ }
+
+}