/// <summary>
/// Override of <see cref="BehaviourBase"/> that handles a left mouse button press.
/// This initiates the point move process allowing a user to alter the Y value of
/// the selected point.
/// </summary>
/// <param name="position">The position on the mouse on click.</param>
public override void MouseLeftButtonDown(Point position)
{
// Get the point that has been clicked on.
GetSelectedPoint(position);
// Check we can capture the mouse, otherwise the move is impossible.
bool captured = BehaviourContainer.CaptureMouse();
if (captured && _selectedPoint != null)
{
_leftMouseDown = true;
SetZoomEnabled(false);
foreach (var child in this.BehaviourContainer.Children)
{
if (child is ZoomBehaviour)
{
(child as ZoomBehaviour).IsEnabled = false;
break;
}
}
// Change the point style by adding it to the Series SelectedItems list
//((ChartSingleSeriesBase)Chart.Series[0]).SelectedItems.Add(_selectedPoint);
// Change the cursor
_currentCursor = Chart.Cursor;
Chart.Cursor = Cursors.Hand;
}
}
public override void MouseLeftButtonDown(Point position)
{
if (Chart.XAxis.ActualRange == null || Chart.YAxis.ActualRange == null || !BehaviourContainer.CaptureMouse() || Keyboard.Modifiers == ModifierKeys.Shift)
{
return;
}
_leftMouseDown = true;
_firstPosition = position;
//Set the up the zoom rectangle
_zoomRectangle.SetValue(Canvas.LeftProperty, position.X);
_zoomRectangle.SetValue(Canvas.TopProperty, position.Y);
_zoomRectangle.Width = 0;
_zoomRectangle.Height = 0;
if (_zoomRectangle.Border != null)
{
_zoomRectangle.Border.Background = _zoomRectangle.Background;
_zoomRectangle.Border.BorderBrush = _zoomRectangle.Foreground;
}
//Make it visible
_zoomRectangle.Visibility = Visibility.Visible;
}
public override void MouseLeftButtonDown(Point position)
{
if (Chart.XAxis.ActualRange == null || Chart.YAxis.ActualRange == null || !BehaviourContainer.CaptureMouse())
{
return;
}
_leftMouseDown = true;
_firstPosition = position;
//Set the up the zoom rectangle
_selectionRectangle.SetValue(Canvas.LeftProperty, position.X);
_selectionRectangle.SetValue(Canvas.TopProperty, UseFullYAxis ? 0 : position.Y);
_selectionRectangle.Width = 0;
_selectionRectangle.Height = UseFullYAxis ? BehaviourContainer.ActualHeight : 0;
if (_selectionRectangle.Border != null)
{
_selectionRectangle.Border.Background = new SolidColorBrush(new Color {
A = 60, R = 255, B = 0, G = 0
});
_selectionRectangle.Border.BorderBrush = new SolidColorBrush(new Color {
A = 255, R = 255, B = 0, G = 0
});
}
//Make it visible
_selectionRectangle.Visibility = Visibility.Visible;
}
