public PanningViewCell(View mainView, BaseSwipeAction leftSideView, BaseSwipeAction rightSideView)
{
// get references to our bits
mainCellView = mainView;
this.leftSideView = leftSideView;
this.rightSideView = rightSideView;
// lay it out in a grid
var grid = new Grid();
grid.RowDefinitions.Add(new RowDefinition());
grid.ColumnDefinitions.Add(new ColumnDefinition());
// make swipe views invisible so they don't show through
if (HasLeftSwipe)
{
leftSideView.IsVisible = false;
grid.Children.Add(leftSideView, 0, 0);
}
if (HasRightSwipe)
{
rightSideView.IsVisible = false;
grid.Children.Add(rightSideView, 0, 0);
}
grid.Children.Add(mainView, 0, 0);
var panner = new PanGestureRecognizer();
panner.PanUpdated += async(s, e) =>
{
if (e.StatusType == GestureStatus.Running)
{
// if we don't have either swipe panel... we done here.
if (!HasLeftSwipe && !HasRightSwipe)
{
return;
}
// show the appropriate swipe menu based on direction
if (HasRightSwipe)
{
rightSideView.BackgroundColor = (e.TotalX < -MinimumSwipeAmount)
? rightSideView.ActiveBackgroundColor
: rightSideView.InactiveBackgroundColor;
rightSideView.IsVisible = e.TotalX < 0 ? true : false;
}
if (HasLeftSwipe)
{
leftSideView.BackgroundColor = (e.TotalX > MinimumSwipeAmount)
? leftSideView.ActiveBackgroundColor
: leftSideView.InactiveBackgroundColor;
leftSideView.IsVisible = e.TotalX > 0 ? true : false;
}
// slide the mainview
mainView.TranslationX = e.TotalX;
}
if (e.StatusType == GestureStatus.Completed)
{
// haven't met left or right minimum swipe distances
if (mainView.TranslationX < MinimumSwipeAmount &&
mainView.TranslationX > -MinimumSwipeAmount)
{
// slide back to just show the mainview
await mainView.TranslateTo(0, 0, 250, Easing.SinInOut);
rightSideView.IsVisible = leftSideView.IsVisible = false;
}
else
{
// show the full view
if (mainView.TranslationX < MinimumSwipeAmount)
{
if (rightSideView.AfterSwipeAction == BaseSwipeAction.AfterSwipe.ReturnToView)
{
await mainView.TranslateTo(0, 0, 250, Easing.SinInOut);
}
else
{
await mainView.TranslateTo(-mainView.Width, 0, 250, Easing.SinInOut);
}
if (rightSideView.ActionCommand != null)
{
rightSideView.ActionCommand.Execute(this.BindingContext);
}
}
else
{
if (leftSideView.AfterSwipeAction == BaseSwipeAction.AfterSwipe.ReturnToView)
{
await mainView.TranslateTo(0, 0, 250, Easing.SinInOut);
}
else
{
await mainView.TranslateTo(mainView.Width, 0, 250, Easing.SinInOut);
}
if (leftSideView.ActionCommand != null)
{
leftSideView.ActionCommand.Execute(this.BindingContext);
}
}
}
}
if (e.StatusType == GestureStatus.Canceled)
{
await mainView.TranslateTo(0, 0, 250, Easing.SinInOut);
rightSideView.IsVisible = leftSideView.IsVisible = false;
}
};
grid.GestureRecognizers.Add(panner);
View = grid;
}
public PanningViewCell(View mainView, BaseSwipeAction leftSideView, BaseSwipeAction rightSideView)
{
mainCellView = mainView;
this.leftSideView = leftSideView;
this.rightSideView = rightSideView;
// put it all in a grid
var grid = new Grid();
grid.RowDefinitions.Add(new RowDefinition());
grid.ColumnDefinitions.Add(new ColumnDefinition());
//mainView = new MainView();
//leftView = new LeftSwipe();
//rightView = new RightSwipe();
// make swipe views invisible so they don't show through
if (HasLeftSwipe)
{
leftSideView.IsVisible = false;
grid.Children.Add(leftSideView, 0, 0);
}
if (HasRightSwipe)
{
rightSideView.IsVisible = false;
grid.Children.Add(rightSideView, 0, 0);
}
//grid.Children.Add(leftView, 0, 0);
//grid.Children.Add(rightView, 0, 0);
grid.Children.Add(mainView, 0, 0);
var panner = new PanGestureRecognizer();
panner.PanUpdated += async(s, e) =>
{
//if (e.StatusType == Ge)
Debug.WriteLine($"PanGesture: {e.StatusType} - {e.TotalX}, {e.TotalY}");
if (e.StatusType == GestureStatus.Running)
{
// if we don't have either swipe panel... we done here.
if (!HasLeftSwipe && !HasRightSwipe)
{
return;
}
if (e.TotalX < 0) // moving towards the left, exposing the right view
{
if (HasRightSwipe)
{
// only show the appropriate swipe view
rightSideView.IsVisible = true;
leftSideView.IsVisible = false;
}
}
// show the appropriate swipe menu based on direction
if (HasRightSwipe)
{
rightSideView.IsVisible = e.TotalX < 0 ? true : false;
}
if (HasLeftSwipe)
{
leftSideView.IsVisible = e.TotalX > 0 ? true : false;
}
// slide the mainview
mainView.TranslationX = e.TotalX;
}
if (e.StatusType == GestureStatus.Completed)
{
// haven't met left or right swipe distances
if (mainView.TranslationX < MinimumSwipeAmount &&
mainView.TranslationX > -MinimumSwipeAmount)
{
await mainView.TranslateTo(0, 0, 250, Easing.SinInOut);
rightSideView.IsVisible = leftSideView.IsVisible = false;
}
else
{
if (mainView.TranslationX < MinimumSwipeAmount)
{
await mainView.TranslateTo(-mainView.Width, 0, 250, Easing.SinInOut);
//mainView.IsVisible = false;
rightSideView.ActionCommand.Execute(this.BindingContext);
}
else
{
await mainView.TranslateTo(mainView.Width, 0, 250, Easing.SinInOut);
//mainView.IsVisible = false;
}
}
}
//System.Diagnostics.Debug.WriteLine(e.TotalX.ToString());
//mainView.TranslationX = MinimumSwipeAmount;
//mainView.TranslateTo(e.TotalX, 0);
//if (e.TotalX < -MinimumSwipeAmount)
//{
// // Its a swipe left
// hiddenView.IsVisible = true;
// mainView.IsVisible = false;
//}
//else if (e.TotalX > MinimumSwipeAmount)
//{
// // Its a swipe right
// hiddenView.IsVisible = false;
// mainView.IsVisible = true;
//}
};
grid.GestureRecognizers.Add(panner);
View = grid;
}
