oyoahascrollpaneui.java

java 开源,Swing外观：JGoodies look & feel. ... JGoodies look&feels让你的Swing 应用程序与applets看起来更漂亮.

/* ====================================================================
 * Copyright (c) 2001-2003 OYOAHA. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. The names "OYOAHA" must not be used to endorse or promote products 
 *    derived from this software without prior written permission. 
 *    For written permission, please contact [e-mail].
 *
 * 3. Products derived from this software may not be called "OYOAHA",
 *    nor may "OYOAHA" appear in their name, without prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL OYOAHA OR ITS CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.oyoaha.swing.plaf.oyoaha.ui;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.tree.*;
import java.beans.*;
import javax.swing.plaf.*;
import javax.swing.plaf.metal.*;
import javax.swing.plaf.basic.*;

import com.oyoaha.swing.plaf.oyoaha.*;

public class OyoahaScrollPaneUI extends MetalScrollPaneUI
{
  public static ComponentUI createUI(JComponent c)
  {
    return new OyoahaScrollPaneUI();
  }

  public void update(Graphics g, JComponent c)
  {
    Rectangle r = scrollpane.getBounds();

    JViewport view = scrollpane.getViewport();
    view.setOpaque(false);

    if(view==null)
    {
      OyoahaUtilities.paintBackground(g,c);
    }
    else
    {
      Component component = view.getView();

      if(component==null)
      {
        OyoahaUtilities.paintBackground(g,c);
      }
      else
      {
        Color color = OyoahaUtilities.getBackground(component);
        OyoahaBackgroundObject o = OyoahaUtilities.getBackgroundObject(component);

        int state = OyoahaUtilities.getStatus(component);

        if(!(color instanceof UIResource))
        {
          g.setColor(color);
          g.fillRect(0, 0, r.width, r.height);
        }
        else
        if(o!=null)
        {
          o.paintBackground(g, c, 0, 0, r.width, r.height, state);
        }
        else
        {
          OyoahaUtilities.paintColorBackground(g, c, 0, 0, r.width, r.height, color, state);
          g.setColor(color);
          g.fillRect(0, 0, r.width, r.height);
        }
      }
    }

    paint(g, c);
  }
}