videotable.java

Its video trNSMITT FILE USING JMF

/*  VideoTable.java
 *
 *  Table that displays all the videos archived for a given location.
 *
 *  Copyright (C) 2002 by Frank McCown
 *  University of Arkansas at Little Rock
 *  July 2002
 */

import javax.swing.*;
import javax.swing.table.*;
import java.awt.*;
import java.awt.event.*;
import rowc.*;


public class VideoTable extends JTable
{
	private boolean editable = false;   // Indicates if values can be changed or not
	private VideoTableModel model;
	
	
	public VideoTable() 
	{
		model = new VideoTableModel();
		this.setModel(model);
	
		// Make timestamp col wider
		TableColumn column = this.getColumnModel().getColumn(0);
		column.setPreferredWidth(250); 
 	}
 	
 	public String getVideoName(int row)
	{
		return model.getVideoName(row);
	}
		
 	public void populateVideoTable(String location, Object mediaStore)
	{
		System.out.println("Getting new data for location: "+location);
		
		VideoClip videos[] = getVideoClips(location, mediaStore);
		
		model.populateVideoTable(videos);
	}

	private VideoClip[] getVideoClips(String location, Object mediaStore)
	{
		rowc.MediaStorePackage.ClipsHolder videos = null;
				
		if (mediaStore == null)
		{
			System.out.println("mediaStore is null... can't access videos.");
			return null;
		}
		else
		{
			videos = new rowc.MediaStorePackage.ClipsHolder();
			
			// Must cast Object into proper MediaStore object.  
			// MediaStoreImpl is not a remote object, but MediaStore is.
			
			if (mediaStore instanceof MediaStoreImpl)
			{
				// Local object method invocation
				MediaStoreImpl ms = (MediaStoreImpl) mediaStore;
				ms.getAllVideoDetails(location, videos);
			}
			else
			{
				// Remote object method invocation
				MediaStore ms = (MediaStore) mediaStore;
				ms.getAllVideoDetails(location, videos);
			}
		}
		
		return videos.value;
	}

	/***************************************************************************
	 *
	 *  Inner class for representing table model
	 *
	 ***************************************************************************/
	 
	class VideoTableModel extends AbstractTableModel 
	{
    final String[] columnNames = {"Timestamp","Length","Size"};
		private Object data[][] = {};
		private String videoNames[];  // For remembering names- used when selecting a video
		
		
		public void populateVideoTable(VideoClip videos[])
		{
			if (videos == null)
				return;
				
			// Make array big enough to handle new data
			data = new Object[videos.length][columnNames.length];
			videoNames = new String[videos.length];
			
			for (int i = 0; i < videos.length; i++)
			{
				videoNames[i] = videos[i].name;
				data[i][0] = new java.sql.Timestamp(videos[i].timeStamp).toString();
				data[i][1] = new Integer(videos[i].length);
				data[i][2] = new Integer(videos[i].size);
			}
			
			super.fireTableDataChanged();
		}
		
		
		public String getVideoName(int row)
		{
			return videoNames[row];
		}
		
    public int getColumnCount() 
    {
      return columnNames.length;
    }

    public int getRowCount() 
    {
      return data.length;
    }

    public String getColumnName(int col) 
    {
      return columnNames[col];
    }

    public Object getValueAt(int row, int col) 
    {
      return data[row][col];
    }

    public boolean isCellEditable(int row, int col) 
    {
      return editable;
    }
    
    public void setValueAt(Object value, int row, int col) 
    {
      if (!(value instanceof Integer)) 
      {
        try 
        {
        	// If nothing entered, make it a 0 be default
        	if (value.toString().length() == 0)
        		value = "0";
        		
          data[row][col] = new Integer(value.toString());
          fireTableCellUpdated(row, col);
        } 
        catch (NumberFormatException e) 
        {
          JOptionPane.showMessageDialog(VideoTable.this,
            "You may only enter integer values.");
        }
      } 
      else 
      {
        data[row][col] = value;
        fireTableCellUpdated(row, col);
      }
    }
	}
}