/// <summary>
/// Gets the property context of the document node. If the provided node is not implementing <see cref="IPropertyBagOwner"/>, the parent nodes of this node are searched,
/// until a node which implements <see cref="IPropertyBagOwner"/> is found.
/// </summary>
/// <param name="node">The node for which the property context is retrieved.</param>
/// <returns>A <see cref="PropertyHierarchy"/> instance representing the property context of the provided document node.</returns>
public static PropertyHierarchy GetPropertyContext(this Altaxo.Main.IDocumentLeafNode node)
{
var owner = node as IPropertyBagOwner;
if (null == owner)
{
owner = Altaxo.Main.AbsoluteDocumentPath.GetRootNodeImplementing <IPropertyBagOwner>(node);
}
return(new PropertyHierarchy(GetPropertyBags(owner)));
}
public static Altaxo.Graph.Plot.Groups.ColorGroupStyle GetColorGroupStyle(Altaxo.Main.IDocumentLeafNode doc)
{
var plotItemCollection = Altaxo.Main.AbsoluteDocumentPath.GetRootNodeImplementing <Altaxo.Graph.Gdi.Plot.PlotItemCollection>(doc);
if (null == plotItemCollection)
{
return(null);
}
if (plotItemCollection.GroupStyles.ContainsType(typeof(Altaxo.Graph.Plot.Groups.ColorGroupStyle)))
{
return((Altaxo.Graph.Plot.Groups.ColorGroupStyle)plotItemCollection.GroupStyles.GetPlotGroupStyle(typeof(Altaxo.Graph.Plot.Groups.ColorGroupStyle)));
}
else
{
return(null);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ColorGroupStylePresenceTracker"/> class.
/// </summary>
/// <param name="plotStyle">The plot style.</param>
/// <param name="actionIfGroupStyleRemovedOrAdded">The action to do if the group style is removed or added to the group style collection.</param>
public ColorGroupStylePresenceTracker(Altaxo.Main.IDocumentLeafNode plotStyle, Action actionIfGroupStyleRemovedOrAdded)
{
_colorGroupStyle = GetColorGroupStyle(plotStyle);
_actionIfGroupStyleRemovedOrAdded = actionIfGroupStyleRemovedOrAdded;
}