private bool ValidateBeforeSave()
{
if (_playItemCollection.GetStopTime().Value < DateTime.Now.AddMinutes(5))
{
this.RaiseDisplayMessageInteractionRequest(
"错误",
"不能保存时间已经过期或即将过期的节目单。");
return(false);
}
for (int i = 0; i < _playItemCollection.Count; i++)
{
BindablePlayItem item = _playItemCollection[i];
if (!item.Skipped() && item.PlayDuration < _playoutConfig.MinPlayDuration)
{
this.RaiseDisplayMessageInteractionRequest(
"错误",
string.Format("播放项{0}的时长太短，最低时长不能小于{1}，请修复错误后再保存。", item.Title, _playoutConfig.MinPlayDuration));
return(false);
}
}
//TODO: 是否需要一些其他提示？
return(true);
}
private void GainMenuItem_SubmenuOpened(object sender, RoutedEventArgs e)
{
if (ctxMenu.Tag != null)
{
BindablePlayItem item = ctxMenu.Tag as BindablePlayItem;
MenuItem menuItem = (MenuItem)sender;
if (item != null && object.Equals(menuItem.Tag, "Gain"))
{
var audioGain = item.AudioGain; //.Parameters.AudioGain;
foreach (MenuItem subItem in menuItem.Items)
{
subItem.IsChecked = audioGain == int.Parse(subItem.Tag.ToString());
}
}
}
}
private void GainMenuItem_Click(object sender, RoutedEventArgs e)
{
if (ctxMenu.Tag != null)
{
BindablePlayItem item = ctxMenu.Tag as BindablePlayItem;
MenuItem menuItem = e.Source as MenuItem;
if (item != null && menuItem != null)
{
try
{
int volume = int.Parse(menuItem.Tag.ToString());
//TODO: 修改AudioGain
//item.Parameters.AudioGain = volume;
}
catch
{
}
}
}
}