oyoahapaintmenu.java

来自「java 开源,Swing外观：JGoodies look & feel. ..」· Java 代码 · 共 511 行 · 第 1/2 页

      menuItem, fm, b.getText(), fmAccel, acceleratorText, b.getIcon(),
      checkIcon, arrowIcon,
      b.getVerticalAlignment(), b.getHorizontalAlignment(),
      b.getVerticalTextPosition(), b.getHorizontalTextPosition(),
      viewRect, iconRect, textRect, acceleratorRect,
      checkIconRect, arrowIconRect,
      b.getText() == null ? 0 : defaultTextIconGap,
      defaultTextIconGap
    );

    // Paint the Check
    if (checkIcon != null)
    {
      if(model.isArmed() || (c instanceof JMenu && model.isSelected()))
      {
        g.setColor(foreground);
      }
      else
      {
        g.setColor(b.getForeground());
      }

      if(useCheckAndArrow(menuItem))
      {
        checkIcon.paintIcon(c, g, checkIconRect.x, checkIconRect.y);
      }

      g.setColor(holdc);
    }

    // Paint the Icon
    if(b.getIcon() != null)
    {
      Icon icon;

      if(!model.isEnabled())
      {
        icon = (Icon) b.getDisabledIcon();
      }
      else
      if(model.isPressed() && model.isArmed())
      {
        icon = (Icon) b.getPressedIcon();
        if(icon == null)
        {
          // Use default icon
          icon = (Icon) b.getIcon();
        }
      }
      else
      {
        icon = (Icon) b.getIcon();
      }

      if(icon!=null)
      {
        icon.paintIcon(c, g, iconRect.x, iconRect.y);
      }
    }

    drawText(g, b, model, fm, text, foreground);

    // Draw the Accelerator Text
    if(acceleratorText != null && !acceleratorText.equals(""))
    {
      g.setFont(acceleratorFont);

      if(!model.isEnabled())
      {
        // *** paint the acceleratorText disabled
        if (disabledForeground != null)
        {
          g.setColor(disabledForeground);
          BasicGraphicsUtils.drawString(g,acceleratorText,0, acceleratorRect.x, acceleratorRect.y + fmAccel.getAscent());
        }
        else
        {
          g.setColor(b.getBackground().brighter());
          BasicGraphicsUtils.drawString(g,acceleratorText,0, acceleratorRect.x, acceleratorRect.y + fmAccel.getAscent());
          g.setColor(b.getBackground().darker());
          BasicGraphicsUtils.drawString(g,acceleratorText,0, acceleratorRect.x - 1, acceleratorRect.y + fmAccel.getAscent() - 1);
        }
      }
      else
      {
        // *** paint the acceleratorText normally
        if (model.isArmed()|| (c instanceof JMenu && model.isSelected()))
        {
          g.setColor( acceleratorSelectionForeground );
        }
        else
        {
          g.setColor( acceleratorForeground );
        }

        BasicGraphicsUtils.drawString(g,acceleratorText, 0, acceleratorRect.x, acceleratorRect.y + fmAccel.getAscent());
      }
    }

    // Paint the Arrow
    if (arrowIcon != null)
    {
      if(model.isArmed() || (c instanceof JMenu &&model.isSelected()))
      {
        g.setColor(foreground);
      }

      if(useCheckAndArrow(menuItem))
      {
        arrowIcon.paintIcon(c, g, arrowIconRect.x, arrowIconRect.y);
      }
    }

    g.setColor(holdc);
    g.setFont(holdf);
  }

    protected String layoutMenuItem(
      JMenuItem menuItem,
      FontMetrics fm,
      String text,
      FontMetrics fmAccel,
      String acceleratorText,
      Icon icon,
      Icon checkIcon,
      Icon arrowIcon,
      int verticalAlignment,
      int horizontalAlignment,
      int verticalTextPosition,
      int horizontalTextPosition,
      Rectangle viewRect,
      Rectangle iconRect,
      Rectangle textRect,
      Rectangle acceleratorRect,
      Rectangle checkIconRect,
      Rectangle arrowIconRect,
      int textIconGap,
      int menuItemGap)
    {

        SwingUtilities.layoutCompoundLabel(
                            menuItem, fm, text, icon, verticalAlignment,
                            horizontalAlignment, verticalTextPosition,
                            horizontalTextPosition, viewRect, iconRect, textRect,
                            textIconGap);

        /* Initialize the acceelratorText bounds rectangle textRect.  If a null
         * or and empty String was specified we substitute "" here
         * and use 0,0,0,0 for acceleratorTextRect.
         */
        if((acceleratorText == null) || acceleratorText.equals(""))
        {
            acceleratorRect.width = acceleratorRect.height = 0;
            acceleratorText = "";
        }
        else
        {
            acceleratorRect.width = SwingUtilities.computeStringWidth( fmAccel, acceleratorText );
            acceleratorRect.height = fmAccel.getHeight();
        }

        /* Initialize the checkIcon bounds rectangle's width & height.
         */

	if(useCheckAndArrow(menuItem))
	{
	    if (checkIcon != null)
	    {
              checkIconRect.width = checkIcon.getIconWidth();
              checkIconRect.height = checkIcon.getIconHeight();
	    }
	    else
	    {
              checkIconRect.width = checkIconRect.height = 0;
	    }

          /* Initialize the arrowIcon bounds rectangle width & height.
           */
          if (arrowIcon != null)
          {
            arrowIconRect.width = arrowIcon.getIconWidth();
            arrowIconRect.height = arrowIcon.getIconHeight();
          }
          else
          {
            arrowIconRect.width = arrowIconRect.height = 0;
          }
        }

        Rectangle labelRect = iconRect.union(textRect);

        if(OyoahaUtilities.isLeftToRight(menuItem))
        {
          textRect.x += menuItemGap;
          iconRect.x += menuItemGap;

          // Position the Accelerator text rect
          acceleratorRect.x = viewRect.x + viewRect.width - arrowIconRect.width - menuItemGap - acceleratorRect.width;

          // Position the Check and Arrow Icons
          if(useCheckAndArrow(menuItem))
          {
            checkIconRect.x = viewRect.x + menuItemGap;
            textRect.x += menuItemGap + checkIconRect.width;
            iconRect.x += menuItemGap + checkIconRect.width;
            arrowIconRect.x = viewRect.x + viewRect.width - menuItemGap - arrowIconRect.width;
          }
        }
        else
        {
          textRect.x -= menuItemGap;
          iconRect.x -= menuItemGap;

          // Position the Accelerator text rect
          acceleratorRect.x = viewRect.x + arrowIconRect.width + menuItemGap;

          // Position the Check and Arrow Icons
          if (useCheckAndArrow(menuItem))
          {
            checkIconRect.x = viewRect.x + viewRect.width - menuItemGap - checkIconRect.width;
            textRect.x -= menuItemGap + checkIconRect.width;
            iconRect.x -= menuItemGap + checkIconRect.width;
            arrowIconRect.x = viewRect.x + menuItemGap;
          }
        }

        // Align the accelertor text and the check and arrow icons vertically
        // with the center of the label rect.
        acceleratorRect.y = labelRect.y + (labelRect.height/2) - (acceleratorRect.height/2);

        if( useCheckAndArrow(menuItem) )
        {
          arrowIconRect.y = labelRect.y + (labelRect.height/2) - (arrowIconRect.height/2);
          checkIconRect.y = labelRect.y + (labelRect.height/2) - (checkIconRect.height/2);
        }

        return text;
    }

  /*
  * Returns false if the component is a JMenu and it is a top
  * level menu (on the menubar).
  */
  protected boolean useCheckAndArrow(JMenuItem menuItem)
  {
    boolean b = true;

    if((menuItem instanceof JMenu) && (((JMenu)menuItem).isTopLevelMenu()))
    {
      b = false;
    }

    return b;
  }
}