/// <summary>
/// Initializes a new instance of the Chart class.
/// </summary>
public Chart()
{
#if SILVERLIGHT
DefaultStyleKey = typeof(Chart);
#endif
// Create the backing collection for Series
UniqueObservableCollection <Series> series = new UniqueObservableCollection <Series>();
series.CollectionChanged += new NotifyCollectionChangedEventHandler(OnSeriesCollectionChanged);
_series = series;
// Create the backing collection for Axes
UniqueObservableCollection <IAxis> axes = new UniqueObservableCollection <IAxis>();
_axes = axes;
ObservableCollection <IAxis> actualAxes = new SeriesHostAxesCollection(this, axes);
actualAxes.CollectionChanged += ActualAxesCollectionChanged;
this.InternalActualAxes = actualAxes;
this.ActualAxes = new ReadOnlyCollection <IAxis>(InternalActualAxes);
// Create collection for LegendItems
NoResetObservableCollection <UIElement> chartLegendItems = new AggregatedObservableCollection <UIElement>();
_legendChildrenLegendAdapter.Collection = chartLegendItems;
LegendItems = chartLegendItems;
ISeriesHost host = this as ISeriesHost;
host.GlobalSeriesIndexesInvalidated += OnGlobalSeriesIndexesInvalidated;
ChartAreaChildren = new AggregatedObservableCollection <UIElement>();
ChartAreaChildren.ChildCollections.Add(_edgeAxes);
ChartAreaChildren.ChildCollections.Add(_backgroundElements);
ChartAreaChildren.ChildCollections.Add(Series);
ChartAreaChildren.ChildCollections.Add(_foregroundElements);
_chartAreaChildrenListAdapter.Collection = ChartAreaChildren;
// Create style dispenser
StyleDispenser = new StyleDispenser();
}
/// <summary>
/// Initializes a new instance of a StyleEnumerator.
/// </summary>
/// <param name="dispenser">The style dispenser that dispensed this
/// StyleEnumerator.</param>
/// <param name="stylePredicate">A predicate used to determine which
/// styles to return.</param>
public StyleEnumerator(StyleDispenser dispenser, Func <Style, bool> stylePredicate)
{
this.StyleDispenser = dispenser;
this.StylePredicate = stylePredicate;
}
/// <summary>
/// Raises the style dispensed event.
/// </summary>
/// <param name="args">Information about the style dispensed.</param>
protected virtual void OnStyleDispensed(StyleDispensedEventArgs args)
{
StyleDispenser.EnumeratorStyleDispensed(this, args);
}
/// <summary>
/// Resets the styles dispensed by the chart.
/// </summary>
public void ResetStyles()
{
StyleDispenser.ResetStyles();
}
/// <summary>
/// Returns a rotating enumerator of Style objects that coordinates with
/// the style dispenser object to ensure that no two enumerators are
/// currently on the same style if possible. If the style
/// dispenser is reset or its collection of styles is changed then
/// the enumerators will also be reset.
/// </summary>
/// <param name="stylePredicate">A predicate that returns a value
/// indicating whether to return a style.</param>
/// <returns>An enumerator of styles.</returns>
public IEnumerator <Style> GetStylesWhere(Func <Style, bool> stylePredicate)
{
return(StyleDispenser.GetStylesWhere(stylePredicate));
}
