private void AddPlayItem(MediaItem mediaItem, PlayScheduleMode scheduleMode, DateTime?startTime)
{
PlaylistBuilder builder = CreateBuilder();
PlaybillItem billItem = null;
try
{
switch (scheduleMode)
{
case PlayScheduleMode.Timing:
billItem = PlaybillItem.Timing(mediaItem, startTime.Value);
builder.AddTimingItem((TimingPlaybillItem)billItem);
break;
case PlayScheduleMode.Auto:
billItem = PlaybillItem.Auto(mediaItem);
builder.AddAutoItem(new AutoPlayItem(billItem),
this.SelectedPlayItem != null ? this.SelectedPlayItem.PlayItem : null);
break;
case PlayScheduleMode.TimingBreak:
billItem = PlaybillItem.TimingBreak(mediaItem, startTime.Value);
builder.AddTimingBreakItem((TimingPlaybillItem)billItem);
break;
}
Rebuild(builder);
}
catch (Exception ex)
{
//editor.Rollback();
OnError(ex);
}
}
public bool CanEdit(IPlayItem playItem, EditOption option, object context = null)
{
switch (option)
{
case EditOption.Duration:
return(!playItem.IsAutoPadding() && (playItem.MediaSource is IChannelMediaSource));
case EditOption.StartTime:
return(playItem.ScheduleMode == PlayScheduleMode.Timing || playItem.ScheduleMode == PlayScheduleMode.TimingBreak);
case EditOption.SourceAndPlayRange:
return(true);
case EditOption.SourceOnly:
PlayRange newRange = (PlayRange)context;
return(newRange.Duration >= playItem.CalculatedPlayDuration);
case EditOption.ScheduleMode:
PlayScheduleMode newMode = (PlayScheduleMode)context;
return((newMode != playItem.ScheduleMode) && (newMode == PlayScheduleMode.Auto || !playItem.IsAutoPadding()));
case EditOption.Move:
return(!playItem.IsAutoPadding() && playItem.ScheduleMode == PlayScheduleMode.Auto);
}
return(false);
}
private static PlayItemAddContext CreateContext(IPlayItem playItem, PlayScheduleMode scheduleMode)
{
return(new PlayItemAddContext
{
PlayItem = playItem,
ScheduleMode = scheduleMode
});
}
// 顺播改为定时播或定时插播。
// 定时播或定时插播改为顺播。
// 定时播改为定时插播。
// 定时插播改为定时播。
public void ChangeSchedule(IPlayItem playItem, PlayScheduleMode scheduleMode, DateTime?startTime)
{
Debug.Assert(scheduleMode != playItem.ScheduleMode);
if (scheduleMode == PlayScheduleMode.Auto)
{
ChangeToAutoScheduleInternal(playItem);
}
else
{
ChangeToTimingScheduleInternal(playItem, scheduleMode, startTime);
}
}
private void AddPlayItem(MediaItem mediaItem, PlayScheduleMode scheduleMode, DateTime?startTime)
{
using (var editor = this.Edit())
{
try
{
PlaybillItem billItem = null;
switch (scheduleMode)
{
case PlayScheduleMode.Timing:
billItem = PlaybillItem.Timing(mediaItem, startTime.Value);
editor.AddTiming((TimingPlaybillItem)billItem);
break;
case PlayScheduleMode.Auto:
billItem = PlaybillItem.Auto(mediaItem);
if (this.SelectedPlayItem != null)
{
editor.AddAuto(this.SelectedPlayItem.PlayItem, new AutoPlayItem(billItem));
}
else
{
editor.AddAuto(new AutoPlayItem(billItem));
}
break;
case PlayScheduleMode.TimingBreak:
billItem = PlaybillItem.TimingBreak(mediaItem, startTime.Value);
editor.AddTiming((TimingPlaybillItem)billItem);
break;
}
}
catch (Exception ex)
{
editor.Rollback();
RaiseDisplayMessageInteractionRequest("错误", ex.Message);
}
}
}
protected PlaybillItem(IPlaySource playSource, PlayScheduleMode scheduleMode)
{
this.Id = Guid.NewGuid();
this.PlaySource = playSource;
this.ScheduleMode = scheduleMode;
}
public IPlayItem ChangeScheduleMode(PlayScheduleMode newScheduleMode, DateTime startTime)
{
throw new NotImplementedException();
}