/**

 * This script adds red generated media to the selected track.

 * It then asks if you want to delete this track.

 * If you say no, the red media is removed, and your project is left untouched.

 * If you say yes, the track is deleted.

 *

 * This ain't purty, but it works.

 *

 * By John Meyer 1/25/2006

 *

 **/







import System;

import System.IO;

import System.Windows.Forms;

import Sony.Vegas;



var evnt : TrackEvent;

var videoEvent : TrackEvent;

var TrackZeroTime : Timecode = new Timecode("00:00:00.00");

var mymedia : Media;

var count=0;



try {



  //Find the selected event

  var track = FindSelectedTrack();

  if (null == track)

      throw "no selected track";



  var eventEnum = new Enumerator(track.Events);



  while (!eventEnum.atEnd()) {

    evnt = TrackEvent(eventEnum.item());

    eventEnum.moveNext();

    count = count + 1;

  }



  CreateGeneratedMedia("Sony Checkerboard", "Plaid");



  var garbage = mymedia.KeyString;

  var videoStream = mymedia.Streams.GetItemByMediaType(MediaType.Video, 0);

  videoEvent = new VideoEvent(TrackZeroTime, Vegas.Project.Length);

  track.Events.Add(videoEvent);

  var videoTake = new Take(videoStream);

  videoEvent.Takes.Add(videoTake);



  Vegas.UpdateUI();



  if (count == 0) {

    var msgBoxResult = MessageBox.Show("Delete this empty track?", "Make Choice", MessageBoxButtons.YesNo);

  }

  else {

    var msgBoxResult = MessageBox.Show("Delete this track along with " + count + " events?", "Make Choice", MessageBoxButtons.YesNo);



  }

  videoEvent.Takes.Remove(videoTake);

  track.Events.Remove(videoEvent);

  Vegas.Project.MediaPool.Remove(garbage);



  if (msgBoxResult == DialogResult.Yes) {

     Vegas.Project.Tracks.Remove( track );

  }



  Vegas.UpdateUI();





} catch (e) {

    MessageBox.Show(e);

}







function FindSelectedTrack() : Track {

  var trackEnum = new Enumerator(Vegas.Project.Tracks);

  while (!trackEnum.atEnd()) {

    var track : Track = Track(trackEnum.item());

    if (track.Selected) {

        return track;

    }

    trackEnum.moveNext();

  }

  return null;

}



function CreateGeneratedMedia(generatorName, presetName) {

  var generator = Vegas.Generators.GetChildByName(generatorName);

  mymedia = new Media(generator, presetName);

  if (!mymedia.IsValid()) {

      throw "failed to create media; " + generatorName + " (" + presetName + ")";

  }



  return mymedia;

}