/* * @(#)BasicIconFactory.java 1.27 03/12/19 * * Copyright 2004 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ 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. *
* Warning:
* 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 JavaBeansTM
* has been added to the java.beans
package.
* Please see {@link java.beans.XMLEncoder}.
*
* @version 1.27 12/19/03
* @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
}