private void btnPlay_Click(object sender, EventArgs e)
{
if (!playing)
{
btnPlay.Text = "&Stop";
_index = 0;
PlaySong(_index);
}
else
{
btnPlay.Text = "&Play";
lblStatus.Text = "Stopped...";
_player.Unload();
}
gbPlaylist.Enabled = playing;
playing = !playing;
btnNext.Enabled = btnPrev.Enabled = playing;
}
private void CreateSequence()
{
// clear out the current grids
dgvHeader.Rows.Clear();
dgvHeader.Columns.Clear();
dgvMain.Rows.Clear();
dgvMain.Columns.Clear();
// make our grids invisible while drawing to speed it up
dgvMain.Visible = false;
dgvHeader.Visible = false;
// columns per second = 1 second / length of time for each square
_colsPerSec = 1000 / (int)_sequence.Interval;
// draw the grid
switch (_sequence.Version)
{
case 1:
case 2:
// for the length of the music track
for (int sec = 0; sec < _sequence.MusicLength; sec++)
{
// for each second in the time specified, create a column in the header
string header = "{0:0#}:{1:0#}.00";
dgvHeader.Columns.Add(sec.ToString(), String.Format(header, sec / 60, sec % 60));
dgvHeader.Columns[sec].FillWeight = 0.0001f; // this value must be < 65535 for the entire grid (?)
// set the width to an appropriate size for display
dgvHeader.Columns[sec].Width = _colsPerSec * COL_WIDTH;
// now draw the squares contained within each second
for (int partSec = 0; partSec < _colsPerSec; partSec++)
{
// no name, FillWeight requirement, set the appropriate width
dgvMain.Columns.Add("", "");
dgvMain.Columns[(sec * _colsPerSec) + partSec].FillWeight = 0.0001f;
dgvMain.Columns[(sec * _colsPerSec) + partSec].Width = COL_WIDTH;
}
}
break;
default:
throw new Exception("Unknown sequence version!");
}
// add the row headers (Ch. 1, Ch. 2, etc.)
for (int channel = 0; channel < _sequence.Channels.Count; channel++)
{
// create the row and text
DataGridViewRow dvr = new DataGridViewRow();
dvr.HeaderCell.Value = "Ch. " + (channel + 1);
// store away the actual Channel object for later use
dvr.Tag = _sequence.Channels[channel];
// add the row
dgvMain.Rows.Add(dvr);
}
// set the width of those row headers
dgvMain.RowHeadersWidth = 100;
dgvHeader.RowHeadersWidth = 100;
// turn the grids back on
dgvMain.Visible = true;
dgvHeader.Visible = true;
// load up the sequence player
if (_sequencePlayer != null)
{
_sequencePlayer.Unload();
}
switch (_sequence.Version)
{
case 1:
_sequencePlayer = new SequencePlayerV1(_sequence);
break;
case 2:
_sequencePlayer = new SequencePlayerV2(_sequence);
break;
default:
throw new ApplicationException("Unknown sequence version!");
}
// setup an event handler for when the sequence has ended
_sequencePlayer.SequenceStopped += new EventHandler(_sequencePlayer_SequenceStopped);
// turn on the appropriate menus
EnableMenus(true);
}
