CD Actual Thematic 7: Programming/CDAT7.iso/demos/VisualAge for Java 2.0 Entry/setup/data1.cab/ide-e/IDE/cache/1O0WHQZ

Java Class File | 1998-09-16 | 5.9 KB | 138 lines

package com.sun.java.swing.plaf.basic;

import com.sun.java.swing.AbstractButton;
import com.sun.java.swing.ButtonModel;
import com.sun.java.swing.Icon;
import com.sun.java.swing.JComponent;
import com.sun.java.swing.LookAndFeel;
import com.sun.java.swing.SwingUtilities;
import com.sun.java.swing.UIManager;
import com.sun.java.swing.plaf.ComponentUI;
import com.sun.java.swing.plaf.ToggleButtonUI;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.Rectangle;
import java.io.Serializable;

public class BasicRadioButtonUI extends BasicToggleButtonUI implements Serializable {
   protected static final Insets defaultMargin = new Insets(2, 2, 2, 2);
   protected Icon icon = null;
   protected static ToggleButtonUI radioButtonUI;
   ButtonModel model;

   public Icon createIcon() {
      return UIManager.getIcon("RadioButton.icon");
   }

   public static ComponentUI createUI(JComponent b) {
      if (radioButtonUI == null) {
         radioButtonUI = new BasicRadioButtonUI();
      }

      return radioButtonUI;
   }

   public Insets getDefaultMargin(AbstractButton b) {
      return defaultMargin;
   }

   public Dimension getPreferredSize(JComponent c) {
      if (((Container)c).getComponentCount() > 0) {
         return null;
      } else {
         AbstractButton b = (AbstractButton)c;
         String text = b.getText();
         Icon radioIcon = b.getIcon();
         if (radioIcon == null) {
            radioIcon = this.icon;
         }

         Font font = ((Component)b).getFont();
         FontMetrics fm = ((Component)b).getToolkit().getFontMetrics(font);
         Rectangle iconR = new Rectangle();
         Rectangle textR = new Rectangle();
         Rectangle viewR = new Rectangle(32767, 32767);
         SwingUtilities.layoutCompoundLabel(fm, text, radioIcon, b.getVerticalAlignment(), b.getHorizontalAlignment(), b.getVerticalTextPosition(), b.getHorizontalTextPosition(), viewR, iconR, textR, text == null ? 0 : ((BasicToggleButtonUI)this).getDefaultTextIconGap(b));
         Rectangle r = iconR.union(textR);
         Insets insets = ((JComponent)b).getInsets();
         r.width += insets.left + insets.right;
         r.height += insets.top + insets.bottom;
         return r.getSize();
      }
   }

   protected void installDefaults(JComponent c) {
      super.installDefaults(c);
      this.icon = this.createIcon();
      LookAndFeel.installColorsAndFont(c, "RadioButton.background", "RadioButton.foreground", "RadioButton.font");
   }

   public synchronized void paint(Graphics g, JComponent c) {
      AbstractButton b = (AbstractButton)c;
      this.model = b.getModel();
      Dimension size = ((Component)c).getSize();
      int var10000 = size.width;
      var10000 = size.height;
      Font f = ((Component)c).getFont();
      g.setFont(f);
      FontMetrics fm = g.getFontMetrics();
      Rectangle viewRect = new Rectangle(size);
      Rectangle iconRect = new Rectangle();
      Rectangle textRect = new Rectangle();
      Icon altIcon = b.getIcon();
      String text = SwingUtilities.layoutCompoundLabel(fm, b.getText(), altIcon != null ? altIcon : this.icon, b.getVerticalAlignment(), b.getHorizontalAlignment(), b.getVerticalTextPosition(), b.getHorizontalTextPosition(), viewRect, iconRect, textRect, ((BasicToggleButtonUI)this).getDefaultTextIconGap(b));
      if (c.isOpaque()) {
         g.setColor(((Component)b).getBackground());
         g.fillRect(0, 0, size.width, size.height);
      }

      if (altIcon != null) {
         if (!this.model.isEnabled()) {
            altIcon = b.getDisabledIcon();
         } else if (this.model.isPressed() && this.model.isArmed()) {
            altIcon = b.getPressedIcon();
            if (altIcon == null) {
               altIcon = b.getSelectedIcon();
            }
         } else if (this.model.isSelected()) {
            altIcon = b.getSelectedIcon();
         } else if (b.isRolloverEnabled() && this.model.isRollover()) {
            altIcon = b.getRolloverIcon();
         }

         if (altIcon == null) {
            altIcon = b.getIcon();
         }

         altIcon.paintIcon(c, g, iconRect.x, iconRect.y);
      } else {
         this.icon.paintIcon(c, g, iconRect.x, iconRect.y);
      }

      if (text != null) {
         if (this.model.isEnabled()) {
            g.setColor(((Component)b).getForeground());
            BasicGraphicsUtils.drawString(g, text, this.model.getMnemonic(), textRect.x, textRect.y + fm.getAscent());
         } else {
            g.setColor(((Component)b).getBackground().brighter());
            BasicGraphicsUtils.drawString(g, text, this.model.getMnemonic(), textRect.x + 1, textRect.y + fm.getAscent() + 1);
            g.setColor(((Component)b).getBackground().darker());
            BasicGraphicsUtils.drawString(g, text, this.model.getMnemonic(), textRect.x, textRect.y + fm.getAscent());
         }

         if (((JComponent)b).hasFocus() && b.isFocusPainted() && textRect.width > 0 && textRect.height > 0) {
            this.paintFocus(g, textRect, size);
         }
      }

   }

   protected void paintFocus(Graphics g, Rectangle textRect, Dimension size) {
   }
}