private static void OnPlotterChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
FrameworkElement element = d as FrameworkElement;
Plotter prevPlotter = (Plotter)e.OldValue;
Plotter currPlotter = (Plotter)e.NewValue;
// raise Plotter[*] events, where * is Attached, Detaching, Changed.
if (element != null)
{
PlotterChangedEventArgs args = new PlotterChangedEventArgs(prevPlotter, currPlotter, PlotterDetachingEvent);
if (currPlotter == null && prevPlotter != null)
{
RaisePlotterEvent(element, args);
}
else if (currPlotter != null)
{
args.RoutedEvent = PlotterAttachedEvent;
RaisePlotterEvent(element, args);
}
args.RoutedEvent = PlotterChangedEvent;
RaisePlotterEvent(element, args);
}
}
protected virtual void OnPlotterChanged(object sender, PlotterChangedEventArgs e)
{
if (e.CurrentPlotter != null)
{
OnPlotterAttached(e.CurrentPlotter);
}
else if (e.PreviousPlotter != null)
{
OnPlotterDetaching(e.PreviousPlotter);
}
}
private void OnPlotterChanged(PlotterChangedEventArgs e)
{
if (plotter == null && e.CurrentPlotter != null)
{
plotter = (Plotter2D)e.CurrentPlotter;
plotter.Viewport.PropertyChanged += Viewport_PropertyChanged;
OnPlotterAttached();
}
if (plotter != null && e.PreviousPlotter != null)
{
OnPlotterDetaching();
plotter.Viewport.PropertyChanged -= Viewport_PropertyChanged;
plotter = null;
}
}
private static void OnPlotterChanged(object sender, PlotterChangedEventArgs e)
{
ViewportHostPanel owner = (ViewportHostPanel)sender;
if (owner.plotter != null && e.PreviousPlotter != null)
{
owner.viewport.PropertyChanged -= owner.Viewport_PropertyChanged;
owner.viewport = null;
owner.plotter = null;
}
if (owner.plotter == null && e.CurrentPlotter != null)
{
owner.plotter = (Plotter2D)e.CurrentPlotter;
owner.viewport = owner.plotter.Viewport;
owner.viewport.PropertyChanged += owner.Viewport_PropertyChanged;
}
}
private static void OnPlotterChanged(object sender, PlotterChangedEventArgs e)
{
ListViewGraph owner = (ListViewGraph)sender;
owner.OnPlotterChanged(e);
}
private static void RaisePlotterEvent(FrameworkElement element, PlotterChangedEventArgs args)
{
element.RaiseEvent(args);
PlotterEvents.Notify(element, args);
}
private static void OnPlotterChanged(object sender, PlotterChangedEventArgs e)
{
ContentGraph owner = (ContentGraph)sender;
owner.OnPlotterChanged(e);
}
