J2SViewImages.java :  » Scripting » java2script » net » sf » j2s » ui » console » Java Open Source

/*******************************************************************************
 * Copyright (c) 2007 java2script.org and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Zhou Renjian - initial API and implementation
 *******************************************************************************/
package net.sf.j2s.ui.console;

import java.net.MalformedURLException;
import java.net.URL;

import net.sf.j2s.ui.Java2ScriptUIPlugin;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.resource.ImageDescriptor;

public class J2SViewImages {

  private static URL fgIconBaseURL= null;
  
  static {
    fgIconBaseURL= Java2ScriptUIPlugin.getDefault().getBundle().getEntry("/icons/"); //$NON-NLS-1$
  }
  
  public static final String EXPAND= "expandall.gif"; //$NON-NLS-1$
  public static final String LINK_WITH_EDITOR= "synced.gif"; //$NON-NLS-1$

  public static final String STOP= "terminate.gif"; //$NON-NLS-1$
  public static final String REFRESH= "refresh_nav.gif"; //$NON-NLS-1$
  public static final String CLEAR= "clear.gif"; //$NON-NLS-1$

  public static final String ADD_TO_TRAY= "add.gif"; //$NON-NLS-1$
  
  //---- Helper methods to access icons on the file system --------------------------------------

  public static void setImageDescriptors(IAction action, String type) {
    if (action == null) {
    try {
      ImageDescriptor id= ImageDescriptor.createFromURL(makeIconFileURL("d", type)); //$NON-NLS-1$
      if (id != null)
        action.setDisabledImageDescriptor(id);
    } catch (MalformedURLException e) {
    }
  
    try {
      ImageDescriptor id= ImageDescriptor.createFromURL(makeIconFileURL("c", type)); //$NON-NLS-1$
      if (id != null)
        action.setHoverImageDescriptor(id);
    } catch (MalformedURLException e) {
    }
    }
    action.setImageDescriptor(create("e", type)); //$NON-NLS-1$
  }
  
  
  private static ImageDescriptor create(String path, String name) {
    try {
      return ImageDescriptor.createFromURL(makeIconFileURL(path, name));
    } catch (MalformedURLException e) {
      return ImageDescriptor.getMissingImageDescriptor();
    }
  }
  
  private static URL makeIconFileURL(String path, String name) throws MalformedURLException {
    StringBuffer buffer= new StringBuffer(path);
    buffer.append('/');
    buffer.append(name);
    return new URL(fgIconBaseURL, buffer.toString());
  }  
}