/*
* Copyright 1997-2001 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 javax.swing.*;
import javax.swing.plaf.UIResource;
import java.awt.Graphics;
import java.awt.Color;
import java.awt.Component;
import java.awt.Polygon;
import java.io.Serializable;
/**
* Factory object that can vend Icons appropriate for the basic L & F.
* <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
* @author Georges Saab
*/
public class BasicIconFactory implements Serializable
{
private static Icon frame_icon;
private static Icon checkBoxIcon;
private static Icon radioButtonIcon;
private static Icon checkBoxMenuItemIcon;
private static Icon radioButtonMenuItemIcon;
private static Icon menuItemCheckIcon;
private static Icon menuItemArrowIcon;
private static Icon menuArrowIcon;
public static Icon getMenuItemCheckIcon() {
if (menuItemCheckIcon == null) {
menuItemCheckIcon = new MenuItemCheckIcon();
}
return menuItemCheckIcon;
}
public static Icon getMenuItemArrowIcon() {
if (menuItemArrowIcon == null) {
menuItemArrowIcon = new MenuItemArrowIcon();
}
return menuItemArrowIcon;
}
public static Icon getMenuArrowIcon() {
if (menuArrowIcon == null) {
menuArrowIcon = new MenuArrowIcon();
}
return menuArrowIcon;
}
public static Icon getCheckBoxIcon() {
if (checkBoxIcon == null) {
checkBoxIcon = new CheckBoxIcon();
}
return checkBoxIcon;
}
public static Icon getRadioButtonIcon() {
if (radioButtonIcon == null) {
radioButtonIcon = new RadioButtonIcon();
}
return radioButtonIcon;
}
public static Icon getCheckBoxMenuItemIcon() {
if (checkBoxMenuItemIcon == null) {
checkBoxMenuItemIcon = new CheckBoxMenuItemIcon();
}
return checkBoxMenuItemIcon;
}
public static Icon getRadioButtonMenuItemIcon() {
if (radioButtonMenuItemIcon == null) {
radioButtonMenuItemIcon = new RadioButtonMenuItemIcon();
}
return radioButtonMenuItemIcon;
}
public static Icon createEmptyFrameIcon() {
if(frame_icon == null)
frame_icon = new EmptyFrameIcon();
return frame_icon;
}
private static class EmptyFrameIcon implements Icon, Serializable {
int height = 16;
int width = 14;
public void paintIcon(Component c, Graphics g, int x, int y) {
}
public int getIconWidth() { return width; }
public int getIconHeight() { return height; }
};
private static class CheckBoxIcon implements Icon, Serializable
{
final static int csize = 13;
public void paintIcon(Component c, Graphics g, int x, int y) {
}
public int getIconWidth() {
return csize;
}
public int getIconHeight() {
return csize;
}
}
private static class RadioButtonIcon implements Icon, UIResource, Serializable
{
public void paintIcon(Component c, Graphics g, int x, int y) {
}
public int getIconWidth() {
return 13;
}
public int getIconHeight() {
return 13;
}
} // end class RadioButtonIcon
private static class CheckBoxMenuItemIcon implements Icon, UIResource, Serializable
{
public void paintIcon(Component c, Graphics g, int x, int y) {
AbstractButton b = (AbstractButton) c;
ButtonModel model = b.getModel();
boolean isSelected = model.isSelected();
if (isSelected) {
g.drawLine(x+7, y+1, x+7, y+3);
g.drawLine(x+6, y+2, x+6, y+4);
g.drawLine(x+5, y+3, x+5, y+5);
g.drawLine(x+4, y+4, x+4, y+6);
g.drawLine(x+3, y+5, x+3, y+7);
g.drawLine(x+2, y+4, x+2, y+6);
g.drawLine(x+1, y+3, x+1, y+5);
}
}
public int getIconWidth() { return 9; }
public int getIconHeight() { return 9; }
} // End class CheckBoxMenuItemIcon
private static class RadioButtonMenuItemIcon implements Icon, UIResource, Serializable
{
public void paintIcon(Component c, Graphics g, int x, int y) {
AbstractButton b = (AbstractButton) c;
ButtonModel model = b.getModel();
if (b.isSelected() == true) {
g.fillOval(x+1, y+1, getIconWidth(), getIconHeight());
}
}
public int getIconWidth() { return 6; }
public int getIconHeight() { return 6; }
} // End class RadioButtonMenuItemIcon
private static class MenuItemCheckIcon implements Icon, UIResource, Serializable{
public void paintIcon(Component c, Graphics g, int x, int y) {
}
public int getIconWidth() { return 9; }
public int getIconHeight() { return 9; }
} // End class MenuItemCheckIcon
private static class MenuItemArrowIcon implements Icon, UIResource, Serializable {
public void paintIcon(Component c, Graphics g, int x, int y) {
}
public int getIconWidth() { return 4; }
public int getIconHeight() { return 8; }
} // End class MenuItemArrowIcon
private static class MenuArrowIcon implements Icon, UIResource, Serializable {
public void paintIcon(Component c, Graphics g, int x, int y) {
Polygon p = new Polygon();
p.addPoint(x, y);
p.addPoint(x+getIconWidth(), y+getIconHeight()/2);
p.addPoint(x, y+getIconHeight());
g.fillPolygon(p);
}
public int getIconWidth() { return 4; }
public int getIconHeight() { return 8; }
} // End class MenuArrowIcon
}