/// <summary>
/// Tries to find an existing control for given <paramref name="program"/> in the Grid row with index <paramref name="rowIndex"/>.
/// If no control was found, this method creates a new control and adds it to the Grid.
/// </summary>
/// <param name="program">Program.</param>
/// <param name="rowIndex">RowIndex.</param>
/// <returns>Control.</returns>
private Control GetOrCreateControl(ProgramListItem program, int rowIndex)
{
Control control = GetRowItems(rowIndex).FirstOrDefault(el => ((ProgramListItem)el.Context).Program.ProgramId == program.Program.ProgramId);
if (control != null)
return control;
control = CreateControl(program);
// Deep copy the styles to each program button.
control.Template = MpfCopyManager.DeepCopyCutLVPs(ProgramTemplate);
Children.Add(control);
return control;
}
private ProgramListItem BuildProgramListItem(IProgram program)
{
ProgramProperties programProperties = new ProgramProperties();
IProgram currentProgram = program;
programProperties.SetProgram(currentProgram);
ProgramListItem item = new ProgramListItem(programProperties)
{
Command = new MethodDelegateCommand(() => ShowProgramActions(currentProgram))
};
item.AdditionalProperties["PROGRAM"] = currentProgram;
return item;
}
/// <summary>
/// Calculates to position (Column) and size (ColumnSpan) for the given <paramref name="program"/> by considering the avaiable viewport (<paramref name="viewportStart"/>, <paramref name="viewportEnd"/>).
/// </summary>
/// <param name="program">Program.</param>
/// <param name="viewportStart">Viewport from.</param>
/// <param name="viewportEnd">Viewport to.</param>
/// <param name="colIndex">Returns Column.</param>
/// <param name="colSpan">Returns ColumnSpan.</param>
/// <param name="lastEndTime">Last program's end time.</param>
private void CalculateProgamPosition(ProgramListItem program, DateTime viewportStart, DateTime viewportEnd, ref int colIndex, ref int colSpan, ref DateTime? lastEndTime)
{
if (program.Program.EndTime < viewportStart || program.Program.StartTime > viewportEnd)
return;
DateTime programViewStart = program.Program.StartTime < viewportStart ? viewportStart : program.Program.StartTime;
double minutesSinceStart = (programViewStart - viewportStart).TotalMinutes;
if (lastEndTime != null)
{
int newColIndex = (int)Math.Round(minutesSinceStart / _perCellTime) + 1; // Header offset
if (lastEndTime != program.Program.StartTime)
colIndex = Math.Max(colIndex, newColIndex); // colIndex is already set to new position. Calculation is only done to support gaps in programs.
lastEndTime = program.Program.EndTime;
}
colSpan = (int)Math.Round((program.Program.EndTime - programViewStart).TotalMinutes / _perCellTime);
if (colIndex + colSpan > _numberOfColumns + 1)
colSpan = _numberOfColumns - colIndex + 1;
if (colSpan == 0)
colSpan = 1;
#if DEBUG_LAYOUT
// Debug layouting:
ServiceRegistration.Get<ILogger>().Debug("EPG: {0,2}-{1,2}: {3}-{4}: {2}", colIndex, colSpan, program.Program.Title, program.Program.StartTime.ToShortTimeString(), program.Program.EndTime.ToShortTimeString());
#endif
}
protected override void UpdatePrograms()
{
_programsList.Clear();
if (_channel != null)
{
if (_tvHandler.ProgramInfo.GetPrograms(_channel, DateTime.Now.AddHours(-2), DateTime.Now.AddHours(24), out _programs))
{
foreach (IProgram program in _programs)
{
// Use local variable, otherwise delegate argument is not fixed
ProgramProperties programProperties = new ProgramProperties();
IProgram currentProgram = program;
programProperties.SetProgram(currentProgram);
ProgramListItem item = new ProgramListItem(programProperties)
{
Command = new MethodDelegateCommand(() => ShowProgramActions(currentProgram))
};
item.AdditionalProperties["PROGRAM"] = currentProgram;
_programsList.Add(item);
}
}
ProgramsList.FireChange();
}
else
_programs = null;
}
private void FillProgramsList()
{
_programsList.Clear();
foreach (IProgram program in _programs)
{
// Use local variable, otherwise delegate argument is not fixed
ProgramProperties programProperties = new ProgramProperties();
IProgram currentProgram = program;
programProperties.SetProgram(currentProgram);
if (ProgramComparer.Instance.Equals(currentProgram, program))
{
}
ProgramListItem item = new ProgramListItem(programProperties)
{
Command = new MethodDelegateCommand(() =>
{
var isSingle = programProperties.IsScheduled;
var isSeries = programProperties.IsSeriesScheduled;
if (isSingle || isSeries)
CancelSchedule(currentProgram);
else
RecordSeries(currentProgram);
})
};
item.AdditionalProperties["PROGRAM"] = currentProgram;
item.Selected = _lastProgramId == program.ProgramId; // Restore focus
_programsList.Add(item);
}
_programsList.FireChange();
}
private ListItem CreateProgramItem(IProgram program, ISchedule schedule)
{
ProgramProperties programProperties = new ProgramProperties();
IProgram currentProgram = program;
programProperties.SetProgram(currentProgram);
ListItem item = new ProgramListItem(programProperties)
{
Command = new MethodDelegateCommand(() => ShowActions(schedule, program))
};
IChannel channel;
if (_tvHandler.ChannelAndGroupInfo.GetChannel(currentProgram.ChannelId, out channel))
item.SetLabel("ChannelName", channel.Name);
item.SetLabel("ScheduleType", string.Format("[SlimTvClient.ScheduleRecordingType_{0}]", schedule.RecordingType));
item.AdditionalProperties["PROGRAM"] = currentProgram;
item.AdditionalProperties["SCHEDULE"] = schedule;
return item;
}
private void FillProgramsList()
{
_programsList.Clear();
bool isSingle = false;
bool isSeries = false;
foreach (IProgram program in _programs)
{
// Use local variable, otherwise delegate argument is not fixed
ProgramProperties programProperties = new ProgramProperties();
IProgram currentProgram = program;
programProperties.SetProgram(currentProgram);
if (ProgramComparer.Instance.Equals(_selectedProgram, program))
{
isSingle = programProperties.IsScheduled;
isSeries = programProperties.IsSeriesScheduled;
}
ProgramListItem item = new ProgramListItem(programProperties)
{
Command = new MethodDelegateCommand(() => CreateOrDeleteSchedule(currentProgram))
};
item.AdditionalProperties["PROGRAM"] = currentProgram;
item.Selected = _lastProgramId == program.ProgramId; // Restore focus
_programsList.Add(item);
}
// "Record" buttons are related to properties, for schedules we need to keep them to "Cancel record" state.
if (_isScheduleMode)
isSingle = isSeries = _selectedSchedule != null;
IsSingleRecordingScheduled = isSingle;
IsSeriesRecordingScheduled = isSeries;
_programsList.FireChange();
}
/// <summary>
/// Gets the currently focused program or header control and its Grid.Row.
/// </summary>
/// <param name="program">Focused program</param>
/// <param name="headerControl">Focused header</param>
/// <param name="row">The focused row</param>
/// <returns><c>true</c> if matching program could be found</returns>
private bool GetFocusedRowAndStartTime(out ProgramListItem program, out FrameworkElement headerControl, out int row)
{
program = null;
headerControl = null;
row = 0;
FrameworkElement currentElement = GetFocusedElementOrChild();
while (currentElement != null)
{
if (currentElement.DataContext != null)
{
// Check for program
var item = currentElement.DataContext.Source as ProgramListItem;
if (item != null)
{
program = item;
row = GetRow(currentElement);
return true;
}
// Check for channel header
var channel = currentElement.DataContext.Source as ChannelProgramListItem;
if (channel != null)
{
headerControl = currentElement;
row = GetRow(currentElement);
return true;
}
}
currentElement = currentElement.LogicalParent as Control;
}
return false;
}
