public static void ReduceDrawDepth()
{
if (RenderUnit == FrameNodeLevel.Root || RenderUnit == FrameNodeLevel.Year || (int)CurrentCanvasData.ScaleData.DisplayUnit >= (int)RenderUnit + 1)
{
return;
}
RenderUnit = (FrameNodeLevel)((int)RenderUnit - 1);
CurrentCanvasData = TimeTree.GetCanvasData(CurrentCanvasData.StartTime, CurrentCanvasData.EndTime, RenderUnit, CurrentCanvasData.ScaleData.DisplayUnit);
}
public static void IncreaseDrawDepth()
{
if (RenderUnit == FrameNodeLevel.Second)
{
return;
}
RenderUnit = (FrameNodeLevel)((int)RenderUnit + 1);
CurrentCanvasData = TimeTree.GetCanvasData(CurrentCanvasData.StartTime, CurrentCanvasData.EndTime, RenderUnit, CurrentCanvasData.ScaleData.DisplayUnit);
}
public static void Drill(float startOffset, float endOffset)
{
TimeSpan span = TimeSpan.FromSeconds(endOffset - startOffset);
FrameNodeLevel canvasSpan, renderUnit;
DateTime startTime;
DateTime endTime = TimeTree.StartTime.AddSeconds(endOffset);
if (span > TimeSpan.FromDays(32)) //span is one year
{
startTime = TimeTree.StartTime.AddSeconds(startOffset);
if (startTime.Day != 1)
{
startTime = startTime.AddYears(1);
}
startTime = new DateTime(startTime.Year, 1, 1);
endTime = startTime.AddYears(1);
canvasSpan = FrameNodeLevel.Year;
renderUnit = FrameNodeLevel.Day;
}
else if (span > TimeSpan.FromDays(2)) //span is one month
{
startTime = TimeTree.StartTime.AddSeconds(startOffset);
if (startTime.Day != 1)
{
startTime = startTime.AddMonths(1);
}
startTime = new DateTime(startTime.Year, startTime.Month, 1);
endTime = startTime.AddMonths(1);
canvasSpan = FrameNodeLevel.Month;
renderUnit = FrameNodeLevel.Hour;
}
else if (span > TimeSpan.FromHours(2)) //span is one day
{
startTime = TimeTree.StartTime.AddSeconds(startOffset);
if (startTime.Hour != 0)
{
startTime = startTime.AddDays(1);
}
startTime = new DateTime(startTime.Year, startTime.Month, startTime.Day);
endTime = startTime.AddDays(1);
canvasSpan = FrameNodeLevel.Day;
renderUnit = FrameNodeLevel.PartHour;
}
else if (span > TimeSpan.FromMinutes(20)) //span is one hour
{
startTime = TimeTree.StartTime.AddSeconds(startOffset);
if (startTime.Minute % 6 != 0)
{
startTime = startTime.AddHours(1);
}
startTime = new DateTime(startTime.Year, startTime.Month, startTime.Day, startTime.Hour, 0, 0);
endTime = startTime.AddHours(1);
canvasSpan = FrameNodeLevel.Hour;
renderUnit = FrameNodeLevel.Minute;
}
else if (span > TimeSpan.FromMinutes(2)) //span is one part hour
{
startTime = TimeTree.StartTime.AddSeconds(startOffset);
if (startTime.Minute != 0)
{
startTime = startTime.AddMinutes(10);
}
startTime = new DateTime(startTime.Year, startTime.Month, startTime.Day, startTime.Hour, startTime.Minute - (startTime.Minute % 5), 0);
endTime = startTime.AddMinutes(5);
canvasSpan = FrameNodeLevel.PartHour;
renderUnit = FrameNodeLevel.Second;
}
else //span is one minute
{
startTime = TimeTree.StartTime.AddSeconds(startOffset);
if (startTime.Second != 0)
{
startTime = startTime.AddMinutes(1);
}
startTime = new DateTime(startTime.Year, startTime.Month, startTime.Day, startTime.Hour, startTime.Minute, 0);
endTime = startTime.AddMinutes(1);
canvasSpan = FrameNodeLevel.Minute;
renderUnit = FrameNodeLevel.Second;
}
UndoStack.Push(CurrentCanvasData);
CurrentCanvasData = TimeTree.GetCanvasData(startTime, endTime, renderUnit, canvasSpan);
}
