private void OnAxisPlacementChanged(IAxisNS obj)
{
var axis = obj as UIElement;
switch (obj.Orientation)
{
case AxisType.X:
Grid.SetColumn(axis, 1);
switch (obj.Placement)
{
case AxisPlacement.Bottom:
Grid.SetRow(axis, 2);
break;
case AxisPlacement.Top:
Grid.SetRow(axis, 0);
break;
default:
throw new NotSupportedException($"XAxis does not support '{obj.Placement}' placement!");
}
break;
case AxisType.Y:
Grid.SetRow(axis, 1);
switch (obj.Placement)
{
case AxisPlacement.Left:
Grid.SetColumn(axis, 0);
break;
case AxisPlacement.Right:
Grid.SetColumn(axis, 2);
break;
default:
throw new NotSupportedException($"YAxis does not support '{obj.Placement}' placement!");
}
break;
default:
throw new ArgumentOutOfRangeException();
}
}
private void OnYAxisPropertyChanged(IAxisNS oldValue, IAxisNS newValue)
{
if (newValue is ICategoryAxis)
{
throw new MvvmChartException("CategoryAxis cannot be used as YAxis!");
}
if (this.PART_Root == null)
{
return;
}
if (oldValue != null)
{
this.PART_Root.Children.Remove(oldValue as UIElement);
oldValue.AxisPlacementChanged -= OnAxisPlacementChanged;
}
if (newValue != null)
{
if (this.PART_Root.Children.Contains(newValue as UIElement))
{
return;
}
if (newValue.Placement == AxisPlacement.None)
{
newValue.Placement = AxisPlacement.Left;
}
this.PART_Root.Children.Add(newValue as UIElement);
newValue.Owner = this;
newValue.Orientation = AxisType.Y;
newValue.AxisPlacementChanged += OnAxisPlacementChanged;
OnAxisPlacementChanged(newValue);
}
}
private void OnXAxisPropertyChanged(IAxisNS oldValue, IAxisNS newValue)
{
if (this.PART_Root == null)
{
return;
}
if (oldValue != null)
{
this.PART_Root.Children.Remove(oldValue as UIElement);
oldValue.AxisPlacementChanged -= OnAxisPlacementChanged;
}
if (newValue != null)
{
if (this.Part_SeriesCollectionControl != null)
{
this.Part_SeriesCollectionControl.IsXAxisCategory = newValue is ICategoryAxis;
}
if (this.PART_Root.Children.Contains(newValue as UIElement))
{
return;
}
if (newValue.Placement == AxisPlacement.None)
{
newValue.Placement = AxisPlacement.Bottom;
}
this.PART_Root.Children.Add(newValue as UIElement);
newValue.Owner = this;
newValue.Orientation = AxisType.X;
newValue.AxisPlacementChanged += OnAxisPlacementChanged;
OnAxisPlacementChanged(newValue);
}
}
