/// <summary>
/// OrientationProperty property changed handler.
/// </summary>
/// <param name="d">OrientedPanel that changed its Orientation.</param>
/// <param name="e">Event arguments.</param>
private static void OnOrientationPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
OrientedPanel source = (OrientedPanel)d;
Orientation newValue = (Orientation)e.NewValue;
source.OnOrientationPropertyChanged(newValue);
}
/// <summary>
/// Renders the axis as an oriented axis.
/// </summary>
/// <param name="availableSize">The available size.</param>
private void RenderOriented(Size availableSize)
{
_minorTickMarkPool.Reset();
_majorTickMarkPool.Reset();
_labelPool.Reset();
double length = GetLength(availableSize);
try
{
OrientedPanel.Children.Clear();
if (ActualRange.HasData && !Object.Equals(ActualRange.Minimum, ActualRange.Maximum))
{
foreach (IComparable axisValue in GetMajorTickMarkValues(availableSize))
{
UnitValue coordinate = GetPlotAreaCoordinate(axisValue, length);
if (ValueHelper.CanGraph(coordinate.Value))
{
Line line = _majorTickMarkPool.Next();
OrientedPanel.SetCenterCoordinate(line, coordinate.Value);
OrientedPanel.SetPriority(line, 0);
OrientedPanel.Children.Add(line);
}
}
foreach (IComparable axisValue in GetMinorTickMarkValues(availableSize))
{
UnitValue coordinate = GetPlotAreaCoordinate(axisValue, length);
if (ValueHelper.CanGraph(coordinate.Value))
{
Line line = _minorTickMarkPool.Next();
OrientedPanel.SetCenterCoordinate(line, coordinate.Value);
OrientedPanel.SetPriority(line, 0);
OrientedPanel.Children.Add(line);
}
}
int count = 0;
foreach (IComparable axisValue in GetLabelValues(availableSize))
{
UnitValue coordinate = GetPlotAreaCoordinate(axisValue, length);
if (ValueHelper.CanGraph(coordinate.Value))
{
Control axisLabel = _labelPool.Next();
PrepareAxisLabel(axisLabel, axisValue);
OrientedPanel.SetCenterCoordinate(axisLabel, coordinate.Value);
OrientedPanel.SetPriority(axisLabel, count + 1);
OrientedPanel.Children.Add(axisLabel);
count = (count + 1) % 2;
}
}
}
}
finally
{
_minorTickMarkPool.Done();
_majorTickMarkPool.Done();
_labelPool.Done();
}
}
/// <summary>
/// MinimumDistanceBetweenChildrenProperty property changed handler.
/// </summary>
/// <param name="d">OrientedPanel that changed its MinimumDistanceBetweenChildren.</param>
/// <param name="e">Event arguments.</param>
private static void OnMinimumDistanceBetweenChildrenPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
OrientedPanel source = (OrientedPanel)d;
double oldValue = (double)e.OldValue;
double newValue = (double)e.NewValue;
source.OnMinimumDistanceBetweenChildrenPropertyChanged(oldValue, newValue);
}
/// <summary>
/// IsReversedProperty property changed handler.
/// </summary>
/// <param name="d">OrientedPanel that changed its IsReversed.</param>
/// <param name="e">Event arguments.</param>
private static void OnIsReversedPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
OrientedPanel source = (OrientedPanel)d;
bool oldValue = (bool)e.OldValue;
bool newValue = (bool)e.NewValue;
source.OnIsReversedPropertyChanged(oldValue, newValue);
}
/// <summary>
/// OffsetPaddingProperty property changed handler.
/// </summary>
/// <param name="d">OrientedPanel that changed its OffsetPadding.</param>
/// <param name="e">Event arguments.</param>
private static void OnOffsetPaddingPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
OrientedPanel source = (OrientedPanel)d;
double oldValue = (double)e.OldValue;
double newValue = (double)e.NewValue;
source.OnOffsetPaddingPropertyChanged(oldValue, newValue);
}
/// <summary>
/// PriorityProperty property changed handler.
/// </summary>
/// <param name="dependencyObject">UIElement that changed its Priority.</param>
/// <param name="eventArgs">Event arguments.</param>
public static void OnPriorityPropertyChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs eventArgs)
{
UIElement source = dependencyObject as UIElement;
if (source == null)
{
throw new ArgumentNullException(nameof(dependencyObject));
}
OrientedPanel parent = VisualTreeHelper.GetParent(source) as OrientedPanel;
if (parent != null)
{
parent.InvalidateMeasure();
}
}
/// <summary>
/// Renders as an oriented axis.
/// </summary>
/// <param name="availableSize">The available size.</param>
private void RenderOriented(Size availableSize)
{
_labelPool.Reset();
_majorTickMarkPool.Reset();
try
{
OrientedPanel.Children.Clear();
this.GridLineCoordinatesToDisplay.Clear();
if (this.Categories.Count > 0)
{
double maximumLength = Math.Max(GetLength(availableSize) - 1, 0);
Action <double> placeTickMarkAt =
(pos) =>
{
Line tickMark = _majorTickMarkPool.Next();
OrientedPanel.SetCenterCoordinate(tickMark, pos);
OrientedPanel.SetPriority(tickMark, 0);
this.GridLineCoordinatesToDisplay.Add(new UnitValue(pos, Unit.Pixels));
OrientedPanel.Children.Add(tickMark);
};
int index = 0;
int priority = 0;
foreach (object category in Categories)
{
Control axisLabel = CreateAndPrepareAxisLabel(category);
double lower = ((index * maximumLength) / Categories.Count) + 0.5;
double upper = (((index + 1) * maximumLength) / Categories.Count) + 0.5;
placeTickMarkAt(lower);
OrientedPanel.SetCenterCoordinate(axisLabel, (lower + upper) / 2);
OrientedPanel.SetPriority(axisLabel, priority + 1);
OrientedPanel.Children.Add(axisLabel);
index++;
priority = (priority + 1) % 2;
}
placeTickMarkAt(maximumLength + 0.5);
}
}
finally
{
_labelPool.Done();
_majorTickMarkPool.Done();
}
}