/// <summary>
/// Raises the <see cref="MouseUp" /> event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="OxyMouseEventArgs" /> instance containing the event data.</param>
protected virtual void OnTouchCompleted(object sender, OxyTouchEventArgs e)
{
var handler = this.TouchCompleted;
if (handler != null)
{
handler(sender, e);
}
}
/// <summary>
/// Adds the specified mouse hover manipulator and invokes the <see cref="TouchManipulator.Started" /> method with the specified mouse event arguments.
/// </summary>
/// <param name="view">The plot view.</param>
/// <param name="manipulator">The manipulator.</param>
/// <param name="args">The <see cref="OxyTouchEventArgs" /> instance containing the event data.</param>
public virtual void AddTouchManipulator(
IView view,
ManipulatorBase <OxyTouchEventArgs> manipulator,
OxyTouchEventArgs args)
{
this.TouchManipulators.Add(manipulator);
manipulator.Started(args);
}
/// <summary>
/// Raises the <see cref="MouseUp" /> event.
/// </summary>
/// <param name="e">The <see cref="OxyTouchEventArgs" /> instance containing the event data.</param>
protected internal virtual void OnTouchCompleted(OxyTouchEventArgs e)
{
var handler = this.TouchCompleted;
if (handler != null)
{
handler(this, e);
}
}
/// <summary>
/// Handles the touch delta event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">A <see cref="OxyPlot.OxyTouchEventArgs" /> instance containing the event data.</param>
public virtual void HandleTouchDelta(object sender, OxyTouchEventArgs e)
{
if (this.currentTouchEventElement != null)
{
this.currentTouchEventElement.OnTouchDelta(e);
}
if (!e.Handled)
{
this.OnTouchDelta(sender, e);
}
}
/// <summary>
/// Handles the touch completed event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">A <see cref="OxyPlot.OxyTouchEventArgs" /> instance containing the event data.</param>
public virtual void HandleTouchCompleted(object sender, OxyTouchEventArgs e)
{
if (this.currentTouchEventElement != null)
{
this.currentTouchEventElement.OnTouchCompleted(e);
this.currentTouchEventElement = null;
}
if (!e.Handled)
{
this.OnTouchCompleted(sender, e);
}
}
/// <summary>
/// Handles touch started events.
/// </summary>
/// <param name="view">The plot view.</param>
/// <param name="args">The <see cref="OxyTouchEventArgs" /> instance containing the event data.</param>
/// <returns><c>true</c> if the event was handled.</returns>
public virtual bool HandleTouchStarted(IView view, OxyTouchEventArgs args)
{
lock (this.GetSyncRoot(view))
{
if (view.ActualModel != null)
{
view.ActualModel.HandleTouchStarted(this, args);
if (args.Handled)
{
return(true);
}
}
var command = this.GetCommand(new OxyTouchGesture());
return(this.HandleCommand(command, view, args));
}
}
/// <summary>
/// Handles the touch started event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">A <see cref="OxyPlot.OxyTouchEventArgs" /> instance containing the event data.</param>
public virtual void HandleTouchStarted(object sender, OxyTouchEventArgs e)
{
var args = new HitTestArguments(e.Position, MouseHitTolerance);
foreach (var result in this.HitTest(args))
{
result.Element.OnTouchStarted(e);
if (e.Handled)
{
this.currentTouchEventElement = result.Element;
return;
}
}
if (!e.Handled)
{
this.OnTouchStarted(sender, e);
}
}
/// <summary>
/// Handles touch delta events.
/// </summary>
/// <param name="view">The plot view.</param>
/// <param name="args">The <see cref="OxyTouchEventArgs" /> instance containing the event data.</param>
/// <returns><c>true</c> if the event was handled.</returns>
public virtual bool HandleTouchDelta(IView view, OxyTouchEventArgs args)
{
lock (this.GetSyncRoot(view))
{
if (view.ActualModel != null)
{
view.ActualModel.HandleTouchDelta(this, args);
if (args.Handled)
{
return(true);
}
}
foreach (var m in this.TouchManipulators)
{
m.Delta(args);
}
return(args.Handled);
}
}
/// <summary>
/// Handles touch completed events.
/// </summary>
/// <param name="view">The plot view.</param>
/// <param name="args">The <see cref="OxyTouchEventArgs" /> instance containing the event data.</param>
/// <returns><c>true</c> if the event was handled.</returns>
public virtual bool HandleTouchCompleted(IView view, OxyTouchEventArgs args)
{
lock (this.GetSyncRoot(view))
{
if (view.ActualModel != null)
{
view.ActualModel.HandleTouchCompleted(this, args);
if (args.Handled)
{
return(true);
}
}
foreach (var m in this.TouchManipulators.ToArray())
{
m.Completed(args);
this.TouchManipulators.Remove(m);
}
return(args.Handled);
}
}
/// <summary>
/// Handles touch started events.
/// </summary>
/// <param name="view">The plot view.</param>
/// <param name="args">The <see cref="OxyTouchEventArgs" /> instance containing the event data.</param>
/// <returns><c>true</c> if the event was handled.</returns>
public bool HandleTouchStarted(IView view, OxyTouchEventArgs args)
{
lock (this.GetSyncRoot(view))
{
if (view.ActualModel != null)
{
view.ActualModel.HandleTouchStarted(this, args);
if (args.Handled)
{
return true;
}
}
var command = this.GetCommand(new OxyTouchGesture());
return this.HandleCommand(command, view, args);
}
}
/// <summary>
/// Handles touch delta events.
/// </summary>
/// <param name="view">The plot view.</param>
/// <param name="args">The <see cref="OxyTouchEventArgs" /> instance containing the event data.</param>
/// <returns><c>true</c> if the event was handled.</returns>
public bool HandleTouchDelta(IView view, OxyTouchEventArgs args)
{
lock (this.GetSyncRoot(view))
{
if (view.ActualModel != null)
{
view.ActualModel.HandleTouchDelta(this, args);
if (args.Handled)
{
return true;
}
}
foreach (var m in this.TouchManipulators)
{
m.Delta(args);
}
return args.Handled;
}
}
/// <summary>
/// Handles touch completed events.
/// </summary>
/// <param name="view">The plot view.</param>
/// <param name="args">The <see cref="OxyTouchEventArgs" /> instance containing the event data.</param>
/// <returns><c>true</c> if the event was handled.</returns>
public bool HandleTouchCompleted(IView view, OxyTouchEventArgs args)
{
lock (this.GetSyncRoot(view))
{
if (view.ActualModel != null)
{
view.ActualModel.HandleTouchCompleted(this, args);
if (args.Handled)
{
return true;
}
}
foreach (var m in this.TouchManipulators.ToArray())
{
m.Completed(args);
this.TouchManipulators.Remove(m);
}
return args.Handled;
}
}
/// <summary>
/// Adds the specified mouse hover manipulator and invokes the <see cref="TouchManipulator.Started" /> method with the specified mouse event arguments.
/// </summary>
/// <param name="view">The plot view.</param>
/// <param name="manipulator">The manipulator.</param>
/// <param name="args">The <see cref="OxyTouchEventArgs" /> instance containing the event data.</param>
public virtual void AddTouchManipulator(
IView view,
ManipulatorBase<OxyTouchEventArgs> manipulator,
OxyTouchEventArgs args)
{
this.TouchManipulators.Add(manipulator);
manipulator.Started(args);
}
/// <summary>
/// Raises the <see cref="MouseUp" /> event.
/// </summary>
/// <param name="e">The <see cref="OxyTouchEventArgs" /> instance containing the event data.</param>
protected internal virtual void OnTouchCompleted(OxyTouchEventArgs e)
{
var handler = this.TouchCompleted;
if (handler != null)
{
handler(this, e);
}
}
/// <summary>
/// Called when a touch gesture is moving.
/// </summary>
/// <param name="touches">The touches.</param>
/// <param name="evt">The event arguments.</param>
public override void TouchesMoved(NSSet touches, UIEvent evt)
{
// it seems to be easier to handle touch events here than using UIPanGesturRecognizer and UIPinchGestureRecognizer
base.TouchesMoved(touches, evt);
// convert the touch points to an array
var ta = touches.ToArray<UITouch>();
if (ta.Length > 0)
{
// get current and previous location of the first touch point
var t1 = ta[0];
var l1 = t1.LocationInView(this).ToScreenPoint();
var pl1 = t1.PreviousLocationInView(this).ToScreenPoint();
var l = l1;
var t = l1 - pl1;
var s = new ScreenVector(1, 1);
if (ta.Length > 1)
{
// get current and previous location of the second touch point
var t2 = ta[1];
var l2 = t2.LocationInView(this).ToScreenPoint();
var pl2 = t2.PreviousLocationInView(this).ToScreenPoint();
var d = l1 - l2;
var pd = pl1 - pl2;
if (!this.KeepAspectRatioWhenPinching)
{
var scalex = System.Math.Abs(pd.X) > 0 ? System.Math.Abs(d.X / pd.X) : 1;
var scaley = System.Math.Abs(pd.Y) > 0 ? System.Math.Abs(d.Y / pd.Y) : 1;
s = new ScreenVector(scalex, scaley);
}
else
{
var scale = pd.Length > 0 ? d.Length / pd.Length : 1;
s = new ScreenVector(scale, scale);
}
}
var e = new OxyTouchEventArgs { Position = l, DeltaTranslation = t, DeltaScale = s };
this.ActualController.HandleTouchDelta(this, e);
}
}
/// <summary>
/// Handles touch move events.
/// </summary>
/// <param name="e">The motion event arguments.</param>
/// <returns><c>true</c> if the event was handled.</returns>
private bool OnTouchMoveEvent(MotionEvent e)
{
var currentTouchPoints = e.GetTouchPoints(Scale);
var args = new OxyTouchEventArgs(currentTouchPoints, this.previousTouchPoints);
var handled = this.ActualController.HandleTouchDelta(this, args);
this.previousTouchPoints = currentTouchPoints;
return handled;
}
/// <summary>
/// Handles the touch started event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">A <see cref="OxyPlot.OxyTouchEventArgs" /> instance containing the event data.</param>
public virtual void HandleTouchStarted(object sender, OxyTouchEventArgs e)
{
var args = new HitTestArguments(e.Position, MouseHitTolerance);
foreach (var result in this.HitTest(args))
{
result.Element.OnTouchStarted(e);
if (e.Handled)
{
this.currentTouchEventElement = result.Element;
return;
}
}
if (!e.Handled)
{
this.OnTouchStarted(sender, e);
}
}
/// <summary>
/// Handles the touch delta event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">A <see cref="OxyPlot.OxyTouchEventArgs" /> instance containing the event data.</param>
public virtual void HandleTouchDelta(object sender, OxyTouchEventArgs e)
{
if (this.currentTouchEventElement != null)
{
this.currentTouchEventElement.OnTouchDelta(e);
}
if (!e.Handled)
{
this.OnTouchDelta(sender, e);
}
}
/// <summary>
/// Handles the touch completed event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">A <see cref="OxyPlot.OxyTouchEventArgs" /> instance containing the event data.</param>
public virtual void HandleTouchCompleted(object sender, OxyTouchEventArgs e)
{
if (this.currentTouchEventElement != null)
{
this.currentTouchEventElement.OnTouchCompleted(e);
this.currentTouchEventElement = null;
}
if (!e.Handled)
{
this.OnTouchCompleted(sender, e);
}
}
/// <summary>
/// Raises the <see cref="MouseUp" /> event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="OxyMouseEventArgs" /> instance containing the event data.</param>
protected virtual void OnTouchCompleted(object sender, OxyTouchEventArgs e)
{
var handler = this.TouchCompleted;
if (handler != null)
{
handler(sender, e);
}
}
