//add s single point
protected void PlusSelectedPoint(EditableProgressPoint newPoint)
{
if (StartSelectedPoint == null)
{
StartSelectedPoint = newPoint;
EndSelectedPoint = newPoint;
return;
}
var startIndex = GetObjectIndex(StartSelectedPoint);
var endIndex = GetObjectIndex(EndSelectedPoint);
if (GetObjectIndex(newPoint) < startIndex)
{
StartSelectedPoint = newPoint;
}
if (GetObjectIndex(newPoint) > endIndex)
{
EndSelectedPoint = newPoint;
}
if (startIndex > endIndex)
{
//switch two point
var tempPoint = StartSelectedPoint;
StartSelectedPoint = EndSelectedPoint;
EndSelectedPoint = tempPoint;
}
}
/// <summary>
/// update UI
/// </summary>
public void UpdateView()
{
//1. show the whole bar with start time and end time
//2. fix time
Lyric.TimeLines.FixTime();
//3. show each point with text start and end time
ListEditableProgressPoint.Direction = FillDirection.Horizontal;
ListEditableProgressPoint.Clear();
foreach (var single in Lyric.TimeLines)
{
var editableProgressPoint = new EditableProgressPoint(this, single);
ListEditableProgressPoint.Add(editableProgressPoint);
}
//update position
UpdatePosition();
//update color
UpdateColor();
}
protected int GetObjectIndex(EditableProgressPoint point)
{
return(point != null?ListEditableProgressPoint.IndexOf(point) : -1);
}