/// <summary>
/// Handle the situation where we are moving a point (or have clicked on a point) and the
/// behaviour becomes disabled.
/// </summary>
protected override void OnIsEnabledPropertyChanged()
{
if (_leftMouseDown && !IsEnabled)
{
// Reset the cursor and remove the selected point from the series collection.
Chart.Cursor = _currentCursor;
_leftMouseDown = false;
((ChartSingleSeriesBase)Chart.Series[0]).SelectedItems.Remove(_selectedPoint);
_selectedPoint = null;
}
}
/// <summary>
/// Override of <see cref="BehaviourBase"/> that handles the left mouse button being
/// released. If the button was initially pressed on point, then this signifies the
/// end of a move.
/// </summary>
/// <param name="position">The position the button was released at.</param>
public override void MouseLeftButtonUp(Point position)
{
if (!_leftMouseDown)
{
return;
}
SetZoomEnabled(true);
Chart.Cursor = _currentCursor;
_leftMouseDown = false;
_selectedPoint = null;
BehaviourContainer.ReleaseMouseCapture();
}
private void GetSelectedPoint(Point position)
{
// Get the point that is within range of the mouse click.
foreach (BindableDataPoint dp in Chart.Series[0].DataSeries)
{
if (IsClickPositionCloseToPoint(position.X, Chart.XAxis.GetDataValueAsRenderPositionWithZoom(dp.X)) &&
IsClickPositionCloseToPoint(position.Y, Chart.YAxis.GetDataValueAsRenderPositionWithZoom(dp.Y)))
{
_selectedPoint = dp;
var point = new Core.Model.Point((double)_selectedPoint.XValue, (double)_selectedPoint.XValue);
OnPointSelected(this, new PointSelectedEventArgs {
Point = point
});
break;
}
}
}
/// <summary>
/// Override of <see cref="BehaviourBase"/> that handles the left mouse button being
/// released. If the button was initially pressed on point, then this signifies the
/// end of a move.
/// </summary>
/// <param name="position">The position the button was released at.</param>
public override void MouseLeftButtonUp(Point position)
{
if (!_leftMouseDown)
{
return;
}
SetZoomEnabled(true);
Chart.Cursor = _currentCursor;
_leftMouseDown = false;
_selectedPoint = null;
BehaviourContainer.ReleaseMouseCapture();
}
private void GetSelectedPoint(Point position)
{
// Get the point that is within range of the mouse click.
foreach (BindableDataPoint dp in Chart.Series[0].DataSeries)
{
if (IsClickPositionCloseToPoint(position.X, Chart.XAxis.GetDataValueAsRenderPositionWithZoom(dp.X)) &&
IsClickPositionCloseToPoint(position.Y, Chart.YAxis.GetDataValueAsRenderPositionWithZoom(dp.Y)))
{
_selectedPoint = dp;
var point = new Core.Model.Point((double)_selectedPoint.XValue, (double)_selectedPoint.XValue);
OnPointSelected(this, new PointSelectedEventArgs { Point = point});
break;
}
}
}
/// <summary>
/// Handle the situation where we are moving a point (or have clicked on a point) and the
/// behaviour becomes disabled.
/// </summary>
protected override void OnIsEnabledPropertyChanged()
{
if (_leftMouseDown && !IsEnabled)
{
// Reset the cursor and remove the selected point from the series collection.
Chart.Cursor = _currentCursor;
_leftMouseDown = false;
((ChartSingleSeriesBase)Chart.Series[0]).SelectedItems.Remove(_selectedPoint);
_selectedPoint = null;
}
}