bevelarrowicon.java

JMule是一个基于Java开发

/*
 *  JMule - Java file sharing client
 *  Copyright (C) 2007-2008 JMule team ( [e-mail] / http://jmule.org )
 *
 *  Any parts of this program derived from other projects, or contributed
 *  by third-party developers are copyrighted by their respective authors.
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */
package org.jmule.ui.swing.tables;

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;

import javax.swing.Icon;
import javax.swing.UIManager;

/**
 * 
 * @author gregork
 * @version $$Revision: 1.1 $$
 * Last changed by $$Author: javajox $$ on $$Date: 2008/07/31 16:44:04 $$
 */
public class BevelArrowIcon implements Icon {
	  public static final int UP    = 0;         // direction
	  public static final int DOWN  = 1;
	   
	  private static final int DEFAULT_SIZE = 11;
	 
	  private Color edge1;
	  private Color edge2;
	  private Color fill;
	  private int size;
	  private int direction;
	 
	  public BevelArrowIcon(int direction, boolean isRaisedView, boolean isPressedView) {
	    if (isRaisedView) {
	      if (isPressedView) {
	        init( UIManager.getColor("controlLtHighlight"),
	              UIManager.getColor("controlDkShadow"),
	              UIManager.getColor("controlShadow"),
	              DEFAULT_SIZE, direction);
	      } else {
	        init( UIManager.getColor("controlHighlight"),
	              UIManager.getColor("controlShadow"),
	              UIManager.getColor("control"),
	              DEFAULT_SIZE, direction);
	      }
	    } else {
	      if (isPressedView) {
	        init( UIManager.getColor("controlDkShadow"),
	              UIManager.getColor("controlLtHighlight"),
	              UIManager.getColor("controlShadow"),
	              DEFAULT_SIZE, direction);
	      } else {
	        init( UIManager.getColor("controlShadow"),
	              UIManager.getColor("controlHighlight"),
	              UIManager.getColor("control"),
	              DEFAULT_SIZE, direction);
	      }
	    }
	  }
	 
	  public BevelArrowIcon(Color edge1, Color edge2, Color fill,
	                   int size, int direction) {
	    init(edge1, edge2, fill, size, direction);
	  }
	 
	  public void paintIcon(Component c, Graphics g, int x, int y) {
	    switch (direction) {
	      case DOWN: drawDownArrow(g, x, y); break;
	      case   UP: drawUpArrow(g, x, y);   break;
	    }
	  } 
	 
	  public int getIconWidth() {
	    return size;
	  }
	 
	  public int getIconHeight() {
	    return size;
	  }
	 
	 
	  private void init(Color edge1, Color edge2, Color fill,
	                   int size, int direction) {
	    this.edge1 = edge1;
	    this.edge2 = edge2;
	    this.fill = fill;
	    this.size = size;
	    this.direction = direction;
	  }
	 
	  private void drawDownArrow(Graphics g, int xo, int yo) {
	    g.setColor(edge1);
	    g.drawLine(xo, yo,   xo+size-1, yo);
	    g.drawLine(xo, yo+1, xo+size-3, yo+1);
	    g.setColor(edge2);
	    g.drawLine(xo+size-2, yo+1, xo+size-1, yo+1);
	    int x = xo+1;
	    int y = yo+2;
	    int dx = size-6;      
	    while (y+1 < yo+size) {
	      g.setColor(edge1);
	      g.drawLine(x, y,   x+1, y);
	      g.drawLine(x, y+1, x+1, y+1);
	      if (0 < dx) {
	        g.setColor(fill);
	        g.drawLine(x+2, y,   x+1+dx, y);
	        g.drawLine(x+2, y+1, x+1+dx, y+1);
	      }
	      g.setColor(edge2);
	      g.drawLine(x+dx+2, y,   x+dx+3, y);
	      g.drawLine(x+dx+2, y+1, x+dx+3, y+1);
	      x += 1;
	      y += 2;
	      dx -= 2;     
	    }
	    g.setColor(edge1);
	    g.drawLine(xo+(size/2), yo+size-1, xo+(size/2), yo+size-1); 
	  }
	 
	  private void drawUpArrow(Graphics g, int xo, int yo) {
	    g.setColor(edge1);
	    int x = xo+(size/2);
	    g.drawLine(x, yo, x, yo); 
	    x--;
	    int y = yo+1;
	    int dx = 0;
	    while (y+3 < yo+size) {
	      g.setColor(edge1);
	      g.drawLine(x, y,   x+1, y);
	      g.drawLine(x, y+1, x+1, y+1);
	      if (0 < dx) {
	        g.setColor(fill);
	        g.drawLine(x+2, y,   x+1+dx, y);
	        g.drawLine(x+2, y+1, x+1+dx, y+1);
	      }
	      g.setColor(edge2);
	      g.drawLine(x+dx+2, y,   x+dx+3, y);
	      g.drawLine(x+dx+2, y+1, x+dx+3, y+1);
	      x -= 1;
	      y += 2;
	      dx += 2;     
	    }
	    g.setColor(edge1);
	    g.drawLine(xo, yo+size-3,   xo+1, yo+size-3);
	    g.setColor(edge2);
	    g.drawLine(xo+2, yo+size-2, xo+size-1, yo+size-2);
	    g.drawLine(xo, yo+size-1, xo+size, yo+size-1);
	  }
}