public override void TouchesEnded(Foundation.NSSet touches, UIEvent evt)
{
base.TouchesEnded(touches, evt);
if (touchingImage == null || touchingImageRect == RectangleF.Empty)
{
touchingImage = null;
touchingImageRect = RectangleF.Empty;
touchingImageIndex = -1;
//base.TouchesEnded(touches, evt);
return;
}
var touchLocation = ((UITouch)evt.TouchesForView(this).AnyObject).LocationInView(this);
var touchFrame = new RectangleF(touchLocation.X, touchLocation.Y, 1, 1);
if (touchFrame.IntersectsWith(touchingImageRect))
{
int touchedImageIndex = touchingImageIndex;
touchingImage = null;
touchingImageRect = RectangleF.Empty;
touchingImageIndex = -1;
//Fire off delegate
if (this.ImageTapped != null)
{
this.ImageTapped(touchedImageIndex);
}
}
SetNeedsDisplay();
}
public override void TouchesCancelled(Foundation.NSSet touches, UIEvent evt)
{
base.TouchesCancelled(touches, evt);
touchingImage = null;
touchingImageRect = RectangleF.Empty;
SetNeedsDisplay();
}
public override void TouchesBegan(Foundation.NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
var touchLocation = ((UITouch)evt.TouchesForView(this).AnyObject).LocationInView(this);
var touchFrame = new RectangleF(touchLocation.X, touchLocation.Y, 1, 1);
int across = this.Bounds.Size.Width > 320 ? 6 : 4;
int row = 0;
int col = 0;
int imgOn = 0;
foreach (var img in Images)
{
float x = col * ImageWidth + col * Padding + Padding;
float y = row * ImageHeight + row * Padding + Padding;
var imgRect = new RectangleF(x, y, ImageWidth, ImageHeight);
if (touchFrame.IntersectsWith(imgRect))
{
touchingImage = img;
touchingImageRect = imgRect;
touchingImageIndex = imgOn;
SetNeedsDisplay();
break;
}
col++;
if (col >= across)
{
row++;
col = 0;
}
imgOn++;
}
}