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src/share/classes/javax/swing/plaf/basic/BasicButtonUI.java

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rev 1580 : 6727661: Code improvement and warnings removing from the swing/plaf packages
Summary: Removed unnecessary castings and other warnings
Reviewed-by: alexp
Contributed-by: Florian Brunner <fbrunnerlist@gmx.ch>


 228         if (b.isFocusPainted() && b.hasFocus()) {
 229             // paint UI specific focus
 230             paintFocus(g,b,viewRect,textRect,iconRect);
 231         }
 232     }
 233 
 234     protected void paintIcon(Graphics g, JComponent c, Rectangle iconRect){
 235             AbstractButton b = (AbstractButton) c;
 236             ButtonModel model = b.getModel();
 237             Icon icon = b.getIcon();
 238             Icon tmpIcon = null;
 239 
 240             if(icon == null) {
 241                return;
 242             }
 243 
 244             Icon selectedIcon = null;
 245 
 246             /* the fallback icon should be based on the selected state */
 247             if (model.isSelected()) {
 248                 selectedIcon = (Icon) b.getSelectedIcon();
 249                 if (selectedIcon != null) {
 250                     icon = selectedIcon;
 251                 }
 252             }
 253 
 254             if(!model.isEnabled()) {
 255                 if(model.isSelected()) {
 256                    tmpIcon = (Icon) b.getDisabledSelectedIcon();
 257                    if (tmpIcon == null) {
 258                        tmpIcon = selectedIcon;
 259                    }
 260                 }
 261 
 262                 if (tmpIcon == null) {
 263                     tmpIcon = (Icon) b.getDisabledIcon();
 264                 }
 265             } else if(model.isPressed() && model.isArmed()) {
 266                 tmpIcon = (Icon) b.getPressedIcon();
 267                 if(tmpIcon != null) {
 268                     // revert back to 0 offset
 269                     clearTextShiftOffset();
 270                 }
 271             } else if(b.isRolloverEnabled() && model.isRollover()) {
 272                 if(model.isSelected()) {
 273                    tmpIcon = (Icon) b.getRolloverSelectedIcon();
 274                    if (tmpIcon == null) {
 275                        tmpIcon = selectedIcon;
 276                    }
 277                 }
 278 
 279                 if (tmpIcon == null) {
 280                     tmpIcon = (Icon) b.getRolloverIcon();
 281                 }
 282             }
 283 
 284             if(tmpIcon != null) {
 285                 icon = tmpIcon;
 286             }
 287 
 288             if(model.isPressed() && model.isArmed()) {
 289                 icon.paintIcon(c, g, iconRect.x + getTextShiftOffset(),
 290                         iconRect.y + getTextShiftOffset());
 291             } else {
 292                 icon.paintIcon(c, g, iconRect.x, iconRect.y);
 293             }
 294 
 295     }
 296 
 297     /**
 298      * As of Java 2 platform v 1.4 this method should not be used or overriden.
 299      * Use the paintText method which takes the AbstractButton argument.
 300      */


 442         textRect.x = textRect.y = textRect.width = textRect.height = 0;
 443         iconRect.x = iconRect.y = iconRect.width = iconRect.height = 0;
 444 
 445         // layout the text and icon
 446         return SwingUtilities.layoutCompoundLabel(
 447             b, fm, b.getText(), b.getIcon(),
 448             b.getVerticalAlignment(), b.getHorizontalAlignment(),
 449             b.getVerticalTextPosition(), b.getHorizontalTextPosition(),
 450             viewRect, iconRect, textRect,
 451             b.getText() == null ? 0 : b.getIconTextGap());
 452     }
 453 
 454     /**
 455      * Returns the ButtonListener for the passed in Button, or null if one
 456      * could not be found.
 457      */
 458     private BasicButtonListener getButtonListener(AbstractButton b) {
 459         MouseMotionListener[] listeners = b.getMouseMotionListeners();
 460 
 461         if (listeners != null) {
 462             for (int counter = 0; counter < listeners.length; counter++) {
 463                 if (listeners[counter] instanceof BasicButtonListener) {
 464                     return (BasicButtonListener)listeners[counter];
 465                 }
 466             }
 467         }
 468         return null;
 469     }
 470 
 471 }


 228         if (b.isFocusPainted() && b.hasFocus()) {
 229             // paint UI specific focus
 230             paintFocus(g,b,viewRect,textRect,iconRect);
 231         }
 232     }
 233 
 234     protected void paintIcon(Graphics g, JComponent c, Rectangle iconRect){
 235             AbstractButton b = (AbstractButton) c;
 236             ButtonModel model = b.getModel();
 237             Icon icon = b.getIcon();
 238             Icon tmpIcon = null;
 239 
 240             if(icon == null) {
 241                return;
 242             }
 243 
 244             Icon selectedIcon = null;
 245 
 246             /* the fallback icon should be based on the selected state */
 247             if (model.isSelected()) {
 248                 selectedIcon = b.getSelectedIcon();
 249                 if (selectedIcon != null) {
 250                     icon = selectedIcon;
 251                 }
 252             }
 253 
 254             if(!model.isEnabled()) {
 255                 if(model.isSelected()) {
 256                    tmpIcon = b.getDisabledSelectedIcon();
 257                    if (tmpIcon == null) {
 258                        tmpIcon = selectedIcon;
 259                    }
 260                 }
 261 
 262                 if (tmpIcon == null) {
 263                     tmpIcon = b.getDisabledIcon();
 264                 }
 265             } else if(model.isPressed() && model.isArmed()) {
 266                 tmpIcon = b.getPressedIcon();
 267                 if(tmpIcon != null) {
 268                     // revert back to 0 offset
 269                     clearTextShiftOffset();
 270                 }
 271             } else if(b.isRolloverEnabled() && model.isRollover()) {
 272                 if(model.isSelected()) {
 273                    tmpIcon = b.getRolloverSelectedIcon();
 274                    if (tmpIcon == null) {
 275                        tmpIcon = selectedIcon;
 276                    }
 277                 }
 278 
 279                 if (tmpIcon == null) {
 280                     tmpIcon = b.getRolloverIcon();
 281                 }
 282             }
 283 
 284             if(tmpIcon != null) {
 285                 icon = tmpIcon;
 286             }
 287 
 288             if(model.isPressed() && model.isArmed()) {
 289                 icon.paintIcon(c, g, iconRect.x + getTextShiftOffset(),
 290                         iconRect.y + getTextShiftOffset());
 291             } else {
 292                 icon.paintIcon(c, g, iconRect.x, iconRect.y);
 293             }
 294 
 295     }
 296 
 297     /**
 298      * As of Java 2 platform v 1.4 this method should not be used or overriden.
 299      * Use the paintText method which takes the AbstractButton argument.
 300      */


 442         textRect.x = textRect.y = textRect.width = textRect.height = 0;
 443         iconRect.x = iconRect.y = iconRect.width = iconRect.height = 0;
 444 
 445         // layout the text and icon
 446         return SwingUtilities.layoutCompoundLabel(
 447             b, fm, b.getText(), b.getIcon(),
 448             b.getVerticalAlignment(), b.getHorizontalAlignment(),
 449             b.getVerticalTextPosition(), b.getHorizontalTextPosition(),
 450             viewRect, iconRect, textRect,
 451             b.getText() == null ? 0 : b.getIconTextGap());
 452     }
 453 
 454     /**
 455      * Returns the ButtonListener for the passed in Button, or null if one
 456      * could not be found.
 457      */
 458     private BasicButtonListener getButtonListener(AbstractButton b) {
 459         MouseMotionListener[] listeners = b.getMouseMotionListeners();
 460 
 461         if (listeners != null) {
 462             for (MouseMotionListener listener : listeners) {
 463                 if (listener instanceof BasicButtonListener) {
 464                     return (BasicButtonListener) listener;
 465                 }
 466             }
 467         }
 468         return null;
 469     }
 470 
 471 }
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