/* * Copyright (c) 1997, 2006, 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.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); } }
/*
* Copyright (c) 1997, 2006, 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.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);
}
}