/// <summary> /// Checks that a frame selector is correctly constructed. /// </summary> /// <param name="nodeType">Type of the node this frame selector can describe.</param> /// <param name="nodeTemplateTable">Table of templates with all frames.</param> /// <param name="propertyName">The property for which frames can be selected.</param> public virtual bool IsValid(Type nodeType, FocusTemplateReadOnlyDictionary nodeTemplateTable, string propertyName) { bool IsValid = true; IsValid &= SelectorType != Type.Missing; IsValid &= !string.IsNullOrEmpty(SelectorName); Type ChildInterfaceType, ChildNodeType; IsValid &= NodeTreeHelperChild.IsChildNodeProperty(nodeType, propertyName, out ChildInterfaceType) || NodeTreeHelperOptional.IsOptionalChildNodeProperty(nodeType, propertyName, out ChildInterfaceType) || NodeTreeHelperList.IsNodeListProperty(nodeType, propertyName, out ChildInterfaceType) || NodeTreeHelperBlockList.IsBlockListProperty(nodeType, propertyName, /*out ChildInterfaceType,*/ out ChildNodeType) || (NodeTreeHelper.IsBlockType(nodeType) && propertyName == nameof(BaseNode.IBlock.NodeList)); IsValid &= nodeTemplateTable.ContainsKey(SelectorType); IFocusNodeTemplate Template = nodeTemplateTable[SelectorType] as IFocusNodeTemplate; Debug.Assert(Template != null); IFocusSelectionFrame AsSelectionFrame = Template.Root as IFocusSelectionFrame; IsValid &= AsSelectionFrame != null; if (IsValid) { IFocusSelectableFrame SelectedItem = null; foreach (IFocusSelectableFrame Item in AsSelectionFrame.Items) { if (Item.Name == SelectorName) { SelectedItem = Item; break; } } IsValid &= SelectedItem != null; } Debug.Assert(IsValid); return(IsValid); }
/// <summary> /// Initializes a new instance of the <see cref="FocusTemplateSet"/> class. /// </summary> /// <param name="nodeTemplateTable">Templates for nodes by their type.</param> /// <param name="blockTemplateTable">Templates for blocks of nodes.</param> public FocusTemplateSet(FocusTemplateReadOnlyDictionary nodeTemplateTable, FocusTemplateReadOnlyDictionary blockTemplateTable) : base(nodeTemplateTable, blockTemplateTable) { }