/*
 * File    : HealthItem.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.mytorrents;

import org.gudy.azureus2.core3.download.DownloadManager;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.tracker.host.TRHost;
import org.gudy.azureus2.core3.tracker.host.TRHostTorrent;
import org.gudy.azureus2.ui.swt.ImageRepository;
import org.gudy.azureus2.ui.swt.views.table.TableCellSWT;
import org.gudy.azureus2.ui.swt.views.table.utils.CoreTableColumn;

import com.aelitis.azureus.core.AzureusCoreFactory;

import org.gudy.azureus2.plugins.ui.tables.TableCell;
import org.gudy.azureus2.plugins.ui.tables.TableCellAddedListener;
import org.gudy.azureus2.plugins.ui.tables.TableCellRefreshListener;

/**
 *
 * @author Olivier
 * @author TuxPaper (2004/Apr/17: modified to TableCellAdapter)
 */
public class HealthItem
       extends CoreTableColumn 
       implements TableCellAddedListener
{
	static final int COLUMN_WIDTH = 16;
	
	static TRHost	tracker_host	= AzureusCoreFactory.getSingleton().getTrackerHost();
	
  /** Default Constructor */
  public HealthItem(String sTableID) {
    super("health", sTableID);
    initializeAsGraphic(POSITION_LAST, COLUMN_WIDTH);
    setWidthLimits(COLUMN_WIDTH, COLUMN_WIDTH);
  }

  public void cellAdded(TableCell cell) {
    new Cell(cell);
  }

  private class Cell
          implements TableCellRefreshListener
  {

    public Cell(TableCell cell) {
			cell.addListeners(this);
      cell.setMarginWidth(0);
      cell.setMarginHeight(0);
    }
    
    public void refresh(TableCell cell) {
       
      DownloadManager dm = (DownloadManager)cell.getDataSource();
      int health;
      TRHostTorrent ht;
      
      if (dm == null) {
      	health = 0;
      	ht = null;
      } else {
      	health = dm.getHealthStatus();
      	ht = tracker_host.getHostTorrent( dm.getTorrent());
      }

      if (!cell.setSortValue(health+(ht==null?0:256)) && cell.isValid())
        return;

      
      String image_name;
      String sHelpID = null;

      if(health == DownloadManager.WEALTH_KO) {
      	image_name = "st_ko";   
      	sHelpID = "health.explain.red";
      } else if (health == DownloadManager.WEALTH_OK) {
      	image_name = "st_ok";   
      	sHelpID = "health.explain.green";
      } else if (health == DownloadManager.WEALTH_NO_TRACKER) {
      	image_name = "st_no_tracker";   
      	sHelpID = "health.explain.blue";
      }else if (health == DownloadManager.WEALTH_NO_REMOTE) {
      	image_name = "st_no_remote";   
      	sHelpID = "health.explain.yellow";
      }else if (health == DownloadManager.WEALTH_ERROR) {
      	image_name = "st_error";
      }else{
      	image_name = "st_stopped";
      	sHelpID = "health.explain.grey";
      }

      if ( ht != null ){
      	image_name += "_shared";
      }
      
      if( ((TableCellSWT)cell).setGraphic(ImageRepository.getImage(image_name)) ) {
        String sToolTip = (health == DownloadManager.WEALTH_ERROR) ? dm
						.getErrorDetails() : MessageText.getString(sHelpID);
        if (ht != null)
          sToolTip += "\n" + MessageText.getString("health.explain.share");
        cell.setToolTip(sToolTip);
      }
      
    }
  }
}