nameitem.java

基于JXTA开发平台的下载软件开发源代码

/*
 * File    : NameItem.java
 * Created : 24 nov. 2003
 * By      : Olivier
 *
 * Copyright (C) 2004, 2005, 2006 Aelitis SAS, All rights Reserved
 *
 * 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.
 *
 * 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 ( see the LICENSE file ).
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * AELITIS, SAS au capital de 46,603.30 euros,
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 */
 
package org.gudy.azureus2.ui.swt.views.tableitems.files;

import org.eclipse.swt.graphics.Image;
import org.gudy.azureus2.core3.disk.DiskManagerFileInfo;
import org.gudy.azureus2.plugins.ui.tables.TableCell;
import org.gudy.azureus2.plugins.ui.tables.TableCellDisposeListener;
import org.gudy.azureus2.plugins.ui.tables.TableCellRefreshListener;
import org.gudy.azureus2.plugins.ui.tables.TableColumn;
import org.gudy.azureus2.plugins.ui.tables.TableManager;
import org.gudy.azureus2.ui.swt.ImageRepository;
import org.gudy.azureus2.ui.swt.views.table.TableCellCore;
import org.gudy.azureus2.ui.swt.views.table.utils.CoreTableColumn;

/** Torrent name cell for My Torrents.
 *
 * @author Olivier
 * @author TuxPaper (2004/Apr/17: modified to TableCellAdapter)
 */
public class NameItem
       extends CoreTableColumn 
       implements TableCellRefreshListener , TableCellDisposeListener
{
  /** Default Constructor */
  public NameItem() {
    super("name", ALIGN_LEAD, POSITION_LAST, 300, TableManager.TABLE_TORRENT_FILES);
		setType(TableColumn.TYPE_TEXT);
  }

  public void refresh(TableCell cell) {
    DiskManagerFileInfo fileInfo = (DiskManagerFileInfo)cell.getDataSource();
    String name = (fileInfo == null) ? "" : fileInfo.getFile(true).getName();
    if (name == null)
      name = "";
    //setText returns true only if the text is updated
    if (cell.setText(name) || !cell.isValid()) {
      Image icon;
      if (fileInfo == null) {
        icon = null;
      } else {
    	  icon = ImageRepository.getPathIcon(fileInfo.getFile(true).getPath());
      }
      // cheat for core, since we really know it's a TabeCellImpl and want to use
      // those special functions not available to Plugins
      ((TableCellCore)cell).setImage(icon);
    }
  }
  
  public void dispose(TableCell cell) {
    DiskManagerFileInfo fileInfo = (DiskManagerFileInfo)cell.getDataSource();
    ImageRepository.unloadPathIcon(fileInfo.getFile(true).getPath());
  }
}