public IBindingContextItem ContextItemFactory(IBindingContextElement owner)
{
string name;
IBindingContextItem nestedContextItem = NestedBindingDefinition?.ContextItemFactory(owner);
if (nameBindingDefinition != null)
{
object obj = nameBindingDefinition.ResolveBinding(owner.DataSource);
name = rootName.EmptyIfNull() + (obj?.ToString() ?? string.Empty);
}
else
{
if (usePos)
{
name = definition.Name.Replace(POS_KEYWORD, "_" + owner == null ? string.Empty : owner.Index.ToString());
}
else if (useAllPos)
{
StringBuilder nameBuilder = new StringBuilder();
IBindingContextElement currentOwner = owner;
while (currentOwner != null)
{
nameBuilder.Insert(0, "_" + currentOwner.Index);
currentOwner = currentOwner.ParentPart.ParentContext.Parent;
}
nameBuilder.Insert(0, definition.Name.Replace(ALL_POS_KEYWORD, string.Empty));
name = nameBuilder.ToString();
}
else
{
name = definition.Name;
}
}
return(new ExcelContextItemNamedRange(owner, name, this, nestedContextItem));
}
public override object ResolveBinding(object dataSource)
{
dataSource = realBindingDefinition.ResolveBinding(dataSource);
return(childBindingDefinition.ResolveBinding(dataSource));
}
public override object UpdateDataSource(object dataSource, object data)
{
dataSource = realBindingDefinition.ResolveBinding(dataSource);
return(childBindingDefinition.UpdateDataSource(dataSource, data));
}
