private void TapGestureRecognizer_Tapped(object sender, EventArgs e)
{
var draggableImage = sender as DraggableFontImage;
if (draggableImage != null)
{
guidString = Guid.NewGuid().ToString();
var newInstance = new DraggableFontImage()
{
TextColor = draggableImage.TextColor, Text = draggableImage.Text, FontFamily = draggableImage.FontFamily, FontSize = draggableImage.FontSize, InputTransparent = false
};
TouchEffect touchEffect = new TouchEffect();
touchEffect.TouchAction += OnTouchEffectAction;
newInstance.Effects.Add(touchEffect);
absoluteLayout.Children.Add(newInstance);
App.customModels.Add(new CustomModel()
{
DraggableFontImage = draggableImage,
DragInformation = new DragInformation(guidString, new Point())
});
}
}
void LoadSavedImages()
{
if (App.customModels.Any())
{
_savedImagesLoaded = true;
foreach (var item in App.customModels)
{
TouchEffect touchEffect = new TouchEffect();
touchEffect.TouchAction += OnTouchEffectAction;
DraggableFontImage draggableFontImage = new DraggableFontImage()
{
FontFamily = item.DraggableFontImage.FontFamily,
FontSize = item.DraggableFontImage.FontSize,
TextColor = item.DraggableFontImage.TextColor,
Text = item.DraggableFontImage.Text,
ClassId = item.DragInformation.Id
};
draggableFontImage.Effects.Add(touchEffect);
absoluteLayout.Children.Add(draggableFontImage, item.DragInformation.Point);
}
}
}
void OnTouchEffectAction(object sender, TouchEventArgs args)
{
DraggableFontImage draggableFontImage = sender as DraggableFontImage;
if (!string.IsNullOrEmpty(draggableFontImage.ClassId))
{
guidString = draggableFontImage.ClassId;
}
switch (args.Type)
{
case TouchType.Pressed:
// Don't allow a second touch on an already touched BoxView
if (!dragDictionary.ContainsKey(draggableFontImage))
{
Console.WriteLine("Pressed : Id" + args.Id);
dragDictionary.Add(draggableFontImage, new DragInformation(guidString, args.Location));
// Set Capture property to true
TouchEffect touchEffect = (TouchEffect)draggableFontImage.Effects.FirstOrDefault(e => e is TouchEffect);
touchEffect.Capture = true;
//var doesExist = App.customModels.Any() && App.customModels.Where(r => r.DragInformation.Id == guidString) != null;
//if (!doesExist)
//{
// App.customModels.Add(new CustomModel()
// {
// DraggableFontImage = draggableFontImage,
// DragInformation = new DragInformation(guidString, args.Location)
// });
//}
}
break;
case TouchType.Moved:
//if (App.customModels.Any() && !_savedImagesLoaded)
//{
// if (!string.IsNullOrEmpty(draggableFontImage.ClassId))
// {
// guidString = draggableFontImage.ClassId;
// }
//}
if (dragDictionary.ContainsKey(draggableFontImage) && dragDictionary[draggableFontImage].Id == guidString)
{
Rectangle rect = AbsoluteLayout.GetLayoutBounds(draggableFontImage);
Point initialLocation = dragDictionary[draggableFontImage].Point;
rect.X += args.Location.X - initialLocation.X;
rect.Y += args.Location.Y - initialLocation.Y;
Console.WriteLine("Moved : X" + rect.X);
Console.WriteLine("Moved : Y" + rect.Y);
App.customModels.FirstOrDefault(r => r.DragInformation.Id == guidString).DragInformation = new DragInformation(guidString, new Point(rect.X, rect.Y));
AbsoluteLayout.SetLayoutBounds(draggableFontImage, rect);
}
break;
case TouchType.Released:
//if (App.customModels.Any() && !_savedImagesLoaded)
//{
// if (!string.IsNullOrEmpty(draggableFontImage.ClassId))
// {
// guidString = draggableFontImage.ClassId;
// }
//}
if (dragDictionary.ContainsKey(draggableFontImage) && dragDictionary[draggableFontImage].Id == guidString)
{
dragDictionary.Remove(draggableFontImage);
}
break;
}
}
