/// <summary>
/// Initializes a new instance of the ISeriesHost class.
/// </summary>
public Chart()
{
DefaultStyleKey = typeof(Chart);
// Create the backing collection for Series
ObservableCollection <Series> series = new NoResetObservableCollection <Series>();
series.CollectionChanged += new NotifyCollectionChangedEventHandler(OnSeriesCollectionChanged);
_series = series;
_seriesCollectionSeriesContainerAdapter.Collection = series;
// Create the backing collection for Axes
ObservableCollection <IAxis> axes = new NoResetObservableCollection <IAxis>();
axes.CollectionChanged += new NotifyCollectionChangedEventHandler(OnAxesCollectionChanged);
_axes = axes;
ObservableCollection <IAxis> actualAxes = new ObservableCollection <IAxis>();
actualAxes.CollectionChanged += new NotifyCollectionChangedEventHandler(ActualAxesCollectionChanged);
this.InternalActualAxes = actualAxes;
this.ActualAxes = new ReadOnlyCollection <IAxis>(InternalActualAxes);
_gridLinesContainerChildrenChartAreaAdapter.Collection = _gridLinesContainerChildren;
// Create collection for LegendItems
AggregatedObservableCollection <UIElement> chartLegendItems = new AggregatedObservableCollection <UIElement>();
_legendChildrenLegendAdapter.Collection = chartLegendItems;
LegendItems = chartLegendItems;
ISeriesHost host = this as ISeriesHost;
host.GlobalSeriesIndexesInvalidated += OnGlobalSeriesIndexesInvalidated;
// Create style dispenser
StyleDispenser = new StyleDispenser();
}
/// <summary>
/// Initializes a new instance of the ISeriesHost class.
/// </summary>
public Chart()
{
DefaultStyleKey = typeof(Chart);
// Create the backing collection for Series
ObservableCollection<Series> series = new NoResetObservableCollection<Series>();
series.CollectionChanged += new NotifyCollectionChangedEventHandler(OnSeriesCollectionChanged);
_series = series;
_seriesCollectionSeriesContainerAdapter.Collection = series;
// Create the backing collection for Axes
ObservableCollection<IAxis> axes = new NoResetObservableCollection<IAxis>();
axes.CollectionChanged += new NotifyCollectionChangedEventHandler(OnAxesCollectionChanged);
_axes = axes;
ObservableCollection<IAxis> actualAxes = new ObservableCollection<IAxis>();
actualAxes.CollectionChanged += new NotifyCollectionChangedEventHandler(ActualAxesCollectionChanged);
this.InternalActualAxes = actualAxes;
this.ActualAxes = new ReadOnlyCollection<IAxis>(InternalActualAxes);
_gridLinesContainerChildrenChartAreaAdapter.Collection = _gridLinesContainerChildren;
// Create collection for LegendItems
AggregatedObservableCollection<UIElement> chartLegendItems = new AggregatedObservableCollection<UIElement>();
_legendChildrenLegendAdapter.Collection = chartLegendItems;
LegendItems = chartLegendItems;
ISeriesHost host = this as ISeriesHost;
host.GlobalSeriesIndexesInvalidated += OnGlobalSeriesIndexesInvalidated;
// Create style dispenser
StyleDispenser = new StyleDispenser();
}
/// <summary>
/// Returns a style matching the specified target type from a pool of
/// available styles. Once all styles are used the available pool of
/// styles is reset.
/// </summary>
/// <param name="targetType">The target type of the requested style.
/// </param>
/// <param name="inherit">Whether to return ancestors of the
/// target type.</param>
/// <returns>The next applicable style in the Styles collection.
/// </returns>
public Style NextStyle(Type targetType, bool inherit)
{
return(StyleDispenser.NextStyle(targetType, inherit));
}
/// <summary>
/// Builds the visual tree for the Chart control when a new template
/// is applied.
/// </summary>
public override void OnApplyTemplate()
{
// Call base implementation
base.OnApplyTemplate();
// Unhook events from former template parts
if (null != ChartArea)
{
ChartArea.Children.Clear();
}
if (null != PlotArea)
{
PlotArea.Children.Clear();
}
if (null != SeriesContainer)
{
SeriesContainer.Children.Clear();
_seriesCollectionSeriesContainerAdapter.TargetList = null;
}
if (null != GridLinesContainer)
{
GridLinesContainer.Children.Clear();
_gridLinesContainerChildrenChartAreaAdapter.TargetList = null;
}
if (null != Legend)
{
Legend.LegendItems.Clear();
_legendChildrenLegendAdapter.TargetList = null;
}
// Access new template parts
ChartArea = GetTemplateChild(ChartAreaName) as Grid;
PlotArea = GetTemplateChild(PlotAreaName) as Grid;
SeriesContainer = GetTemplateChild(SeriesContainerName) as Panel;
GridLinesContainer = GetTemplateChild(GridLinesContainerName) as Panel;
Legend = GetTemplateChild(LegendName) as Legend;
StyleDispenser.Reset();
if (Legend != null)
{
_legendChildrenLegendAdapter.TargetList = Legend.LegendItems;
_legendChildrenLegendAdapter.Populate();
}
if (SeriesContainer != null)
{
_seriesCollectionSeriesContainerAdapter.TargetList = SeriesContainer.Children;
_seriesCollectionSeriesContainerAdapter.Populate();
}
if (GridLinesContainer != null)
{
_gridLinesContainerChildrenChartAreaAdapter.TargetList = GridLinesContainer.Children;
_gridLinesContainerChildrenChartAreaAdapter.Populate();
}
if (ChartArea != null)
{
foreach (Axis axis in ActualAxes.OfType <Axis>())
{
ChartArea.Children.Add(axis);
}
RebuildChartArea();
}
}
