protected override object CreateModel(ControllerContext controllerContext, ModelBindingContext bindingContext, Type modelType)
{
// Only leaf nodes have Valuie property
var valueKey = bindingContext.ModelName + ".Value";
var valueProperty = bindingContext.ValueProvider.GetValue(valueKey);
if (valueProperty != null)
{
var model = new FilterLeafNode();
bindingContext.ModelMetadata = ModelMetadataProviders.Current.GetMetadataForType(() => model, typeof(FilterLeafNode));
return(model);
}
else
{
var model = new FilterRootNode();
bindingContext.ModelMetadata = ModelMetadataProviders.Current.GetMetadataForType(() => model, typeof(FilterRootNode));
return(model);
}
}
/// <summary>
/// Add a new root node to a given parent node in the scaffold model provided with the parent node name
/// </summary>
/// <param name="scaffoldModel"></param>
/// <param name="rootNode"></param>
/// <param name="parentNodeName"></param>
/// <returns></returns>
public static FilterScaffoldModel <T> AddRootNoodeToParent <T>(this FilterScaffoldModel <T> scaffoldModel, FilterRootNode rootNode, string parentNodeName)
{
var parentNode = scaffoldModel.GetRootNodeByName(parentNodeName);
parentNode.Nodes.Add(rootNode);
return(scaffoldModel);
}
/// <summary>
/// Adds a root node to another root node given with the specific parent node id
/// </summary>
/// <param name="scaffoldModel">The scaffold model object we are extending</param>
/// <param name="rootNode">The new root node to be added to the scaffold model hirearchy</param>
/// <param name="parentNodeId">The internal id of the root node to which we will add the new root node</param>
/// <returns></returns>
public static FilterScaffoldModel <T> AddRootNodeToParent <T>(this FilterScaffoldModel <T> scaffoldModel, FilterRootNode rootNode, int parentNodeId)
{
var parentNode = scaffoldModel.GetRootNodeById(parentNodeId);
parentNode.Nodes.Add(rootNode);
return(scaffoldModel);
}
/// <summary>
/// Add a root node to the scaffold model. The extensions allows the calling code to pass in
/// Root Nodes with or without an Id or Name and provide the Id and Name implicitly via the extension
/// function
/// </summary>
/// <param name="scaffoldModel">The extended scaffold model</param>
/// <param name="rootNode">The actual roote node beeing added to the scaffold model</param>
public static FilterScaffoldModel <T> AddRootNodeToBaseLevel <T>(this FilterScaffoldModel <T> scaffoldModel, FilterRootNode rootNode)
{
scaffoldModel.FilterNodes.Add(rootNode);
return(scaffoldModel);
}
