public SceneNode CreateAndSetBindingOrData(SceneNode target, IPropertyId targetProperty, DataSchemaNodePath bindingPath, bool useSourceInherited)
{
SceneNode bindingOrData = this.CreateBindingOrData(target, targetProperty, bindingPath, useSourceInherited);
if (bindingOrData != null)
{
BindingEditor.SetBindingOrData(target, targetProperty, bindingOrData, bindingPath);
}
return(bindingOrData);
}
private bool SetSourceAsDataContext(SceneNode target, IPropertyId targetPropertyId, ref DataSchemaNodePath bindingPath, bool testOnly)
{
if (target == null || targetPropertyId == null)
{
return(false);
}
IProperty property = target.ProjectContext.ResolveProperty(targetPropertyId);
if (property == null)
{
return(false);
}
SceneNode sceneNode = target;
IProperty targetProperty = property;
if (DataContextHelper.IsDataContextProperty(target.DocumentNode, (IPropertyId)property))
{
sceneNode = sceneNode.Parent;
targetProperty = (IProperty)null;
if (sceneNode == null || sceneNode.Parent == null)
{
return(false);
}
}
DataSourceInfo dataSourceInfo = new DataSourceInfo(bindingPath);
DataContextInfo contextPlacement = DataContextPlacementEvaluator.FindDataContextPlacement(sceneNode, targetProperty, dataSourceInfo);
if (contextPlacement == null || contextPlacement.DataSourceMatch == DataSourceMatchCriteria.Ignore)
{
return(false);
}
if (contextPlacement.DataSourceMatch == DataSourceMatchCriteria.Exact || contextPlacement.DataSourceMatch == DataSourceMatchCriteria.Compatible)
{
if (contextPlacement.DataSourceMatch == DataSourceMatchCriteria.Exact)
{
bindingPath = bindingPath.GetRelativeNodePath(bindingPath);
}
else if (!string.IsNullOrEmpty(contextPlacement.DataSource.Path))
{
DataSchemaNodePath nodePathFromPath = bindingPath.Schema.GetNodePathFromPath(contextPlacement.DataSource.Path);
bindingPath = nodePathFromPath.GetRelativeNodePath(bindingPath);
}
return(true);
}
if (contextPlacement.DataSourceMatch == DataSourceMatchCriteria.Any && contextPlacement.Owner != null && (contextPlacement.Owner != target.DocumentNode || contextPlacement.Property == null || !contextPlacement.Property.Equals((object)property)))
{
IProperty dataContextProperty = DataContextHelper.GetDataContextProperty(contextPlacement.Owner.Type);
if (dataContextProperty != null)
{
SceneNode ownerSceneNode = contextPlacement.GetOwnerSceneNode(target.ViewModel);
SceneNode dataSource = this.CreateDataSource(ownerSceneNode, bindingPath, true);
if (dataSource != null)
{
if (!testOnly)
{
BindingEditor.SetBindingOrData(ownerSceneNode, (IPropertyId)dataContextProperty, dataSource, bindingPath);
}
return(true);
}
}
}
return(false);
}
