/// <summary>
/// 动态移除一个LED
/// </summary>
public void RemoveLED(LEDScreen led)
{
lock (lockObj)
{
if (LEDThreadPool.ContainsKey(led.ID))
{
LEDThreadPool[led.ID].Abort();
LEDThreadPool[led.ID] = null;
LEDThreadPool.Remove(led.ID);
}
}
}
public LEDScreenControl(LEDScreen model)
: this()
{
LedID = model.ID;
txtName.Text = model.Name;
_updater = new Thread(() =>
{
var client = Program.GetServiceClient();
while (true)
{
var program = client.GetCurrentProgram(LedID);
PlayProgram(program);
}
});
_updater.Start();
}
public static void Save(LEDScreen model)
{
var list = GetList();
var index = list.FindIndex(delegate(LEDScreen e) { return e.ID == model.ID; });
//客户端发送消息会更新CustomStyle，不能重置VirtualID，所以注释掉
//model.VirtualID = -1;//编辑或新建LED，virtualId必须重置
if (index > -1)
{
list[index] = model;
}
else
{
list.Add(model);
}
model.CurrentProgram = null;//重置LED屏幕的当前播放节目
DataManager.Instance.Save(list);
}
public static Program GetCurrentProgram(LEDScreen led)
{
var dt = DbHelper.GetDataTable("select ScheduleID from ScheduleLED where LEDID=" + led.ID + " order by ID desc");
var ids = new List<int>();
foreach (DataRow dr in dt.Rows)
{
ids.Add(int.Parse(dr["ScheduleID"].ToString()));
}
foreach (var scheduleId in ids)
{
var model = GetModel(scheduleId);
if (model == null)
{
continue;
}
if (
(DateTime.Now < model.BeginTime)
|| (model.EndTime.HasValue && DateTime.Now > model.EndTime.Value)
)
{
continue;
}
var program = ProgramManager.GetModel(model.ProgramID);
if (led.CurrentProgram != null && led.CurrentProgram.ID == program.ID)
{
if (program.UpdateTime > led.CurrentProgram.UpdateTime)
{
led.LastUpdateTime = model.CreateTime;
return led.CurrentProgram = program;
}
return null;
}
led.LastUpdateTime = model.CreateTime;
return led.CurrentProgram = program;
////如果屏幕当前有播放节目，并且和本次获取的节目相同，则判断该节目是否播放完一次，如果播放完成则返回program，如果没有，则返回null
//if (led.CurrentProgram != null && led.CurrentProgram.ID == program.ID && led.CurrentProgram.HasPlayedTimes < 1)
//{
// return null;
//}
//led.CurrentProgram = program;
//return program;
}
return null;
}
/// <summary>
/// 动态添加一个LED，增加其节目播放
/// </summary>
public void AddLED(LEDScreen led)
{
lock (lockObj)
{
RemoveLED(led);
OpenLED(led);
LEDThreadPool.Add(led.ID, new Thread(() =>
{
while (true)
{
Play(led);
Thread.Sleep(1000 * GetInterval());
}
}));
LEDThreadPool[led.ID].Start();
}
}
private void Play(LEDScreen led)
{
var program = ScheduleManager.GetCurrentProgram(led);
if (program != null)
{
program.PlayTime = DateTime.Now;
var holdTime = 0;
switch (led.Style.TextAnimation)
{
case TextAnimation.立即显示:
holdTime = GetHoldTime() * 10;
break;
case TextAnimation.上移:
case TextAnimation.下移:
case TextAnimation.左移:
case TextAnimation.右移:
if (led.Style.IsHold)
{
holdTime = GetHoldTime() * 10;
}
break;
}
var sendContents = new List<string>();
foreach (var msg in program.Messages)
{
sendContents.Add(msg.Content);
}
try
{
LEDAdapter.SetFont(new Font(led.Style.FontFamily.ToString(), led.Style.FontSize), (ContentAlignment)led.Style.TextAlignment, 1, led.VirtualID);
LEDAdapter.SendContent(sendContents, (int)led.Style.TextAnimation, GetAnimationSpeed(), GetFrameTime(), holdTime, led.VirtualID);
}
catch (KeyNotFoundException ex)
{
led.CurrentProgram = null;
//System.Windows.Forms.MessageBox.Show(ex.Message);
}
catch (Exception ex)
{
led.CurrentProgram = null;
LogHelper.WriteLog(ex);
//System.Windows.Forms.MessageBox.Show(led.Name + "节目播放失败", "驱动异常", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
}
}
}
private void OpenLED(LEDScreen led)
{
try
{
LEDAdapter.Open(led.ID);
if (led.VirtualID == -1)
{
led.VirtualID = LEDAdapter.CreateWindow(0, 0, led.Width, led.Height, led.ID);
}
}
catch
{
}
}
/// <summary>
/// 动态更新一个LED
/// </summary>
public void UpdateLED(LEDScreen led)
{
AddLED(led);
}