bool CanScroll(UISwipeGestureRecognizerDirection scrollDirection)
{
if (scrollDirection == UISwipeGestureRecognizerDirection.Up && this.Frame.Location.Y < 0)
{
if (Math.Abs(this.Frame.Location.Y) >= Math.Abs(this.Frame.Size.Height - this.SuperviewFrame.Size.Height))
{
if (this.TheDelegate != null)
{
this.TheDelegate.iOSCardsView_UpperLimitReached();
}
return(false);
}
}
else if (scrollDirection == UISwipeGestureRecognizerDirection.Down && this.Frame.Location.Y > 0)
{
if (Math.Abs(this.Frame.Location.Y) >= this.ZeroFrame.Location.Y)
{
if (this.TheDelegate != null)
{
this.TheDelegate.iOSCardsView_BottomLimitReached();
}
return(false);
}
}
if ((this.Frame.Size.Height + this.Frame.Location.Y) < this.SuperviewFrame.Size.Height && (this.Frame.Location.Y >= this.ZeroFrame.Location.Y))
{
return(false);
}
return(true);
}
private Direction GetDirection(UISwipeGestureRecognizer gr)
{
UISwipeGestureRecognizerDirection direction = gr.Direction;
if (direction <= UISwipeGestureRecognizerDirection.Up)
{
if (direction < UISwipeGestureRecognizerDirection.Right)
{
return Direction.NotClear;
}
switch ((int)(direction - UISwipeGestureRecognizerDirection.Right))
{
case 0:
return Direction.Right;
case 1:
return Direction.Left;
case 2:
return Direction.NotClear;
case 3:
return Direction.Up;
}
}
if (direction == UISwipeGestureRecognizerDirection.Down)
{
return Direction.Down;
}
return Direction.NotClear;
}
public static MvxSwipeGestureRecognizerBehaviour Swipe(this UIView view, UISwipeGestureRecognizerDirection direction,
uint numberOfTouchesRequired = 1)
{
var toReturn = new MvxSwipeGestureRecognizerBehaviour(view, direction, numberOfTouchesRequired);
return(toReturn);
}
public static SwipeGestureRecognizerBehaviour Swipe(
this UIView view,
UISwipeGestureRecognizerDirection direction,
uint numberOfTouchesRequired = 1)
{
return(new SwipeGestureRecognizerBehaviour(view, direction, numberOfTouchesRequired));
}
public MvxSwipeGestureRecognizerBehaviour(UIView target, UISwipeGestureRecognizerDirection direction,
uint numberOfTouchesRequired = 1)
{
var swipe = new UISwipeGestureRecognizer(HandleGesture)
{
Direction = direction,
};
AddGestureRecognizer(target, swipe);
}
public NativeSwipeGestureRecognizer(SwipeRecognizer recognizer, UISwipeGestureRecognizerDirection direction)
{
_recognizer = recognizer;
CancelsTouchesInView = false;
Direction = direction;
NumberOfTouchesRequired = (nuint)recognizer.NumberOfTouchesRequired;
ShouldReceiveTouch += (UIGestureRecognizer r, UITouch touch) => touch.View == recognizer.View;
AddTarget(() => recognizer.OnSwiped(direction.ToSwipeDirection()));
}
internal void UpdateCell(Task _newDataTasks, ViewController _viewController)
{
this._viewController = _viewController;
Console.WriteLine("FOR INDEX : " + _newDataTasks.Id + " Color Value is :" + _newDataTasks.Color);
mainLabel.Text = _newDataTasks.Title;
subLabel.Text = _newDataTasks.Description;
switch (_newDataTasks.Color)
{
case "R":
ContentView.BackgroundColor = UIColor.Clear.FromHexString("#ff4e91", 1.0f);
break;
case "G":
ContentView.BackgroundColor = UIColor.Clear.FromHexString("#59f859", 1.0f);
break;
case "B":
ContentView.BackgroundColor = UIColor.Clear.FromHexString("#43D9FF", 1.0f);
break;
case "Y":
ContentView.BackgroundColor = UIColor.Clear.FromHexString("#fff95c", 1.0f);
break;
case "W":
ContentView.BackgroundColor = UIColor.Clear.FromHexString("#ffffff", 1.0f);
break;
}
this._recognizer = new UILongPressGestureRecognizer();
this._recognizer.MinimumPressDuration = 0.5f;
this._recognizer.AddTarget(this, new ObjCRuntime.Selector("OnEditModeActivated"));
this.AddGestureRecognizer(_recognizer);
this._swipeRecognizer = new UISwipeGestureRecognizer();
this._swipeRecognizer.AddTarget(this, new ObjCRuntime.Selector("OnDeleteModeActiavated"));
this.AddGestureRecognizer(_swipeRecognizer);
t_selected = new Task();
t_selected = _newDataTasks;
this._swipeDir = new UISwipeGestureRecognizerDirection();
}
/// <summary>
/// 取得滑動換頁指型事件
/// </summary>
/// <returns>The scroll view chang pan gesture.</returns>
/// <param name="direction">Direction.</param>
public UISwipeGestureRecognizer GetScrollViewChangPanGesture(UISwipeGestureRecognizerDirection direction)
{
return(new UISwipeGestureRecognizer((swipeDirection) =>
{
switch (direction)
{
case UISwipeGestureRecognizerDirection.Right:
PageNumber++;
break;
case UISwipeGestureRecognizerDirection.Left:
PageNumber--;
break;
}
imageView.Image = GetPDFImageForPage();
UIViewDataSaveHandle();
scrollView.ScrollRectToVisible(new CGRect(0, 0, 100, 100), true);
}));
}
/// <summary>
/// Convert to a <see cref="SwipeDirection"/>.
/// </summary>
/// <param name="direction">The <see cref="UISwipeGestureRecognizerDirection"/>.</param>
/// <returns>The <see cref="SwipeDirection"/>.</returns>
public static SwipeDirection ToSwipeDirection(this UISwipeGestureRecognizerDirection direction)
{
switch (direction)
{
case UISwipeGestureRecognizerDirection.Left:
return(SwipeDirection.Left);
case UISwipeGestureRecognizerDirection.Right:
return(SwipeDirection.Right);
case UISwipeGestureRecognizerDirection.Up:
return(SwipeDirection.Up);
case UISwipeGestureRecognizerDirection.Down:
return(SwipeDirection.Down);
default:
throw new NotImplementedException();
}
}
/*************************** Event Handlers ***************************/
private void HandleSwipeGesture(UISwipeGestureRecognizerDirection direction)
{
switch (direction)
{
case UISwipeGestureRecognizerDirection.Right:
if (jobTypeSegControl.SelectedSegment > 0)
{
jobTypeSegControl.SelectedSegment -= 1;
JobTypeSegControl_ValueChanged(jobTypeSegControl);
}
break;
case UISwipeGestureRecognizerDirection.Left:
if (jobTypeSegControl.SelectedSegment < jobTypeSegControl.NumberOfSegments - 1)
{
jobTypeSegControl.SelectedSegment += 1;
JobTypeSegControl_ValueChanged(jobTypeSegControl);
}
break;
}
}
/// <summary>
/// Creates each listener/recognizer with custom logic
/// </summary>
/// <param name="uISwipeGestureRecognizerDirection"></param>
/// <param name="getCommand"></param>
/// <returns></returns>
private UISwipeGestureRecognizer TestCustom(UISwipeGestureRecognizerDirection uISwipeGestureRecognizerDirection, Func <Command <TestTry> > getCommand)
{
return(new UISwipeGestureRecognizer(() =>
{
var handler = getCommand();
if (handler != null)
{
var control = Control ?? Container;
var tapPoint = swipeDetectors[0].LocationInView(control);
data.CustomField1 = uISwipeGestureRecognizerDirection.ToString();
data.Coordinate.Clear();
data.Coordinate.Add(new Point(tapPoint.X, tapPoint.Y));
if (handler.CanExecute(data) == true)
{
handler.Execute(data);
}
}
})
{
Enabled = false,
ShouldRecognizeSimultaneously = (recognizer, gestureRecognizer) => true,
Direction = uISwipeGestureRecognizerDirection
});
}
bool CanScroll(UISwipeGestureRecognizerDirection scrollDirection)
{
if (scrollDirection == UISwipeGestureRecognizerDirection.Up && this.Frame.Location.Y < 0)
{
if (Math.Abs(this.Frame.Location.Y) >= Math.Abs(this.Frame.Size.Height - this.SuperviewFrame.Size.Height))
{
if (this.TheDelegate != null)
{
this.TheDelegate.iOSCardsView_UpperLimitReached();
}
return false;
}
}
else if (scrollDirection == UISwipeGestureRecognizerDirection.Down && this.Frame.Location.Y > 0)
{
if (Math.Abs(this.Frame.Location.Y) >= this.ZeroFrame.Location.Y)
{
if (this.TheDelegate != null)
{
this.TheDelegate.iOSCardsView_BottomLimitReached();
}
return false;
}
}
if ((this.Frame.Size.Height + this.Frame.Location.Y) < this.SuperviewFrame.Size.Height && (this.Frame.Location.Y >= this.ZeroFrame.Location.Y))
{
return false;
}
return true;
}
private UISwipeGestureRecognizer CreateSwipeRecognizer(Func <ICommand> getCommand, UISwipeGestureRecognizerDirection direction)
{
return(new UISwipeGestureRecognizer(() =>
{
var handler = getCommand();
if (handler?.CanExecute(null) == true)
{
handler.Execute(null);
}
})
{
Enabled = false,
ShouldRecognizeSimultaneously = (recognizer, gestureRecognizer) => true,
Direction = direction
});
}
public static MvxSwipeGestureRecognizerBehaviour Swipe(this UIView view, UISwipeGestureRecognizerDirection direction,
uint numberOfTouchesRequired = 1)
{
var toReturn = new MvxSwipeGestureRecognizerBehaviour(view, direction, numberOfTouchesRequired);
return toReturn;
}
public abstract void GestureControlDidSwipe(UISwipeGestureRecognizerDirection direction);