public void SelectSegment(ITSegment segment)
{
if (indexOfSelectedSegment != -1)
{
ITSegment previousSelectedSegment = segments[indexOfSelectedSegment];
previousSelectedSegment.Selected = false;
}
indexOfSelectedSegment = segment.Index;
segment.Selected = true;
SendActionForControlEvents(UIControlEvent.ValueChanged);
}
public void AddSegmentWithTitle(string title, UIImage selectedImage, UIImage normalImage)
{
ITSegment segment = new ITSegment(separatorWidth, verticalMargin, selectedColor, normalColor, selectedTextColor, normalTextColor, titleFont);
segment.Index = segments.Count;
segments.Add(segment);
updateFrameForSegments();
segment.Parent = this;
segment.Title = title;
segment.SelectedImage = selectedImage;
segment.NormalImage = normalImage;
AddSubview(segment);
numberOfSegments = segments.Count;
}
private void drawSeparatorWithContext(CGContext context)
{
context.SaveState();
if (segments.Count > 1)
{
CGPath path = new CGPath();
ITSegment segment = segments[0];
if (organizeMode == ITSegmentOrganizeMode.ITSegmentOrganizeModeHorizontal)
{
double originX = (double)Frame.Size.Width + separatorWidth / 2.0;
for (int index = 1; index < segments.Count; ++index)
{
segment = segments[index];
path.MoveToPoint((nfloat)originX, (nfloat)0.0);
path.AddLineToPoint((nfloat)originX, Frame.Size.Height);
originX += Frame.Size.Width + separatorWidth;
}
}
else
{
double originY = Frame.Size.Height + separatorWidth / 2.0;
for (int index = 1; index < segments.Count; ++index)
{
segment = segments[index];
path.MoveToPoint((nfloat)0.0, (nfloat)originY);
path.AddLineToPoint(Frame.Size.Width, (nfloat)originY);
originY += Frame.Size.Height + separatorWidth;
}
}
context.AddPath(path);
context.SetStrokeColor(separatorColor.CGColor);
context.SetLineWidth((nfloat)separatorWidth);
context.DrawPath(CGPathDrawingMode.Stroke);
}
context.RestoreState();
}
private void updateFrameForSegments()
{
if ((segments != null) && (segments.Count != 0))
{
int count = segments.Count;
if (count > 1)
{
if (organizeMode == ITSegmentOrganizeMode.ITSegmentOrganizeModeHorizontal)
{
double segmentWidth = (Frame.Size.Width - separatorWidth * (count - 1)) / count;
double originX = 0.0;
foreach (ITSegment segment in segments)
{
segment.Frame = new CGRect(originX, 0.0, segmentWidth, Frame.Size.Height);
originX += segmentWidth + separatorWidth;
}
}
else
{
double segmentHeight = (Frame.Size.Height - separatorWidth * (count - 1)) / count;
double originY = 0.0;
foreach (ITSegment segment in segments)
{
segment.Frame = new CGRect(0.0, originY, Frame.Size.Width, segmentHeight);
originY += segmentHeight + separatorWidth;
}
}
}
else
{
ITSegment segment = segments[0];
segment.Frame = new CGRect(0.0, 0.0, Frame.Size.Width, Frame.Size.Height);
}
}
SetNeedsDisplay();
}