bundleimageicon.java

OSGI这是一个中间件,与UPNP齐名,是用于移植到嵌入式平台之上

/*
 * Copyright (c) 2003, KNOPFLERFISH project
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following
 * conditions are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials
 *   provided with the distribution.
 *
 * - Neither the name of the KNOPFLERFISH project nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS 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 THE
 * COPYRIGHT OWNER OR 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 org.knopflerfish.bundle.desktop.swing;

import org.osgi.framework.*;

import java.util.*;
import java.io.*;
import java.net.URL;

import java.awt.*;
import javax.swing.*;

public class BundleImageIcon extends ImageIcon {

  static ImageIcon activeIcon       = null;
  static ImageIcon installedIcon    = null;
  static ImageIcon resolvedIcon     = null;
  static ImageIcon startingIcon     = null;
  static ImageIcon stoppingIcon     = null;
  static ImageIcon uninstalledIcon  = null;

  Bundle bundle;

  public BundleImageIcon(Bundle bundle, 
			 URL url) {
    super(url);

    this.bundle = bundle;

    if(activeIcon == null) {
      activeIcon      = 
	// Activator.desktop.startIcon;
	new ImageIcon(getClass().getResource("/player_play_14x14.png"));

      installedIcon   = null;
      //	new ImageIcon(getClass().getResource("/overlay_installed.gif"));

      resolvedIcon = null;
      //	new ImageIcon(getClass().getResource("/overlay_resolved.gif"));

      startingIcon    = null; 
      //	new ImageIcon(getClass().getResource("/overlay_starting.gif"));

      stoppingIcon    = null;
      //	new ImageIcon(getClass().getResource("/overlay_stopping.gif"));

      uninstalledIcon = null;
      //	new ImageIcon(getClass().getResource("/overlay_uninstalled.gif"));

    }
  }

  public void paintIcon(Component c,
			Graphics g,
			int x,
			int y) {
    super.paintIcon(c, g, x, y);

    Icon overlay = null;

    switch(bundle.getState()) {
    case Bundle.ACTIVE:
      overlay = activeIcon;
      break;
    case Bundle.INSTALLED:
      overlay = installedIcon;
      break;
    case Bundle.RESOLVED:
      overlay = resolvedIcon;
      break;
    case Bundle.STARTING:
      overlay = startingIcon;
      break;
    case Bundle.STOPPING:
      overlay = stoppingIcon;
      break;
    case Bundle.UNINSTALLED:
      overlay = uninstalledIcon;
      break;
    default:
    }

    if(overlay != null) {
      int x1 = x + (getIconWidth() - overlay.getIconWidth());
      int y1 = y + (getIconHeight() - overlay.getIconHeight());

      int w = overlay.getIconWidth();
      int h = overlay.getIconHeight();

      g.setColor(Color.white);
      g.fill3DRect(x1-1, y1-1, w+2, h+2, true);
      overlay.paintIcon(c, g, x1, y1);
    }
  }
}