/// <summary>
/// Removes selectors from the table.
/// </summary>
/// <param name="selectors">Selectors to add.</param>
public virtual void RemoveSelectors(FocusFrameSelectorList selectors)
{
foreach (IFocusFrameSelector Item in selectors)
{
Debug.Assert(SelectorTable.ContainsKey(Item.SelectorType));
SelectorTable.Remove(Item.SelectorType);
}
}
/// <summary>
/// Adds new selectors to the table.
/// </summary>
/// <param name="selectors">Selectors to add.</param>
public virtual void AddSelectors(FocusFrameSelectorList selectors)
{
foreach (IFocusFrameSelector Item in selectors)
{
Debug.Assert(!SelectorTable.ContainsKey(Item.SelectorType));
SelectorTable.Add(Item.SelectorType, Item.SelectorName);
}
}
/// <summary>
/// Removes selectors from the table.
/// This method is allowed to substitute one selector substituted with <see cref="AddOrReplaceSelectors"/>.
/// </summary>
/// <param name="selectors">Selectors to add.</param>
/// <param name="oldSelectorType">Previous value for a substituted selector type.</param>
/// <param name="oldSelectorName">Previous value for a substituted selector name.</param>
public virtual void RemoveOrRestoreSelectors(FocusFrameSelectorList selectors, Type oldSelectorType, string oldSelectorName)
{
foreach (IFocusFrameSelector Item in selectors)
{
Debug.Assert(SelectorTable.ContainsKey(Item.SelectorType));
if (Item.SelectorType == oldSelectorType)
{
SelectorTable[oldSelectorType] = oldSelectorName;
}
else
{
SelectorTable.Remove(Item.SelectorType);
}
}
}
/// <summary>
/// Adds new selectors to the table. This method is allowed to substitute one selector.
/// </summary>
/// <param name="selectors">Selectors to add.</param>
/// <param name="oldSelectorType">Previous value for a substituted selector type upon return. Null if none.</param>
/// <param name="oldSelectorName">Previous value for a substituted selector name upon return. Null if none.</param>
public virtual void AddOrReplaceSelectors(FocusFrameSelectorList selectors, out Type oldSelectorType, out string oldSelectorName)
{
oldSelectorType = Type.Missing;
oldSelectorName = string.Empty;
foreach (IFocusFrameSelector Item in selectors)
{
if (SelectorTable.ContainsKey(Item.SelectorType))
{
Debug.Assert(oldSelectorType == Type.Missing);
Debug.Assert(oldSelectorName == string.Empty);
oldSelectorType = Item.SelectorType;
oldSelectorName = SelectorTable[Item.SelectorType];
SelectorTable[Item.SelectorType] = Item.SelectorName;
}
else
{
SelectorTable.Add(Item.SelectorType, Item.SelectorName);
}
}
}
/// <summary>
/// Checks that a frame is correctly constructed.
/// </summary>
/// <param name="nodeType">Type of the node this frame can describe.</param>
/// <param name="nodeTemplateTable">Table of templates with all frames.</param>
/// <param name="commentFrameCount">Number of comment frames found so far.</param>
public override bool IsValid(Type nodeType, FrameTemplateReadOnlyDictionary nodeTemplateTable, ref int commentFrameCount)
{
bool IsValid = true;
IsValid &= base.IsValid(nodeType, nodeTemplateTable, ref commentFrameCount);
IsValid &= Items.Count > 0;
IsValid &= IsParentRoot;
List <string> NameList = new List <string>();
int SelectionCommentFrameCount = -1;
List <Dictionary <string, FocusFrameSelectorList> > SelectorTableList = new List <Dictionary <string, FocusFrameSelectorList> >();
Dictionary <string, FocusFrameSelectorList> SelectorTable;
foreach (IFocusSelectableFrame Item in Items)
{
int SelectableCommentFrameCount = 0;
IsValid &= Item.IsValid(nodeType, nodeTemplateTable, ref SelectableCommentFrameCount);
IsValid &= !NameList.Contains(Item.Name);
// Use the count for the first frame as base count.
if (SelectionCommentFrameCount < 0)
{
SelectionCommentFrameCount = SelectableCommentFrameCount;
}
// All selectable frames must have the same count.
IsValid &= SelectionCommentFrameCount == SelectableCommentFrameCount;
NameList.Add(Item.Name);
SelectorTable = new Dictionary <string, FocusFrameSelectorList>();
Item.CollectSelectors(SelectorTable);
SelectorTableList.Add(SelectorTable);
}
// Use the common count of all selectable frames as the count of the selection frame.
commentFrameCount += SelectionCommentFrameCount;
// Check that all selectable have the same nested selectors. See FrameSelectorForProperty().
SelectorTable = new Dictionary <string, FocusFrameSelectorList>();
CollectSelectors(SelectorTable);
Debug.Assert(SelectorTable.Count == 0);
List <string> PropertyNameList = new List <string>();
foreach (Dictionary <string, FocusFrameSelectorList> Table in SelectorTableList)
{
foreach (KeyValuePair <string, FocusFrameSelectorList> Entry in Table)
{
if (!PropertyNameList.Contains(Entry.Key))
{
PropertyNameList.Add(Entry.Key);
}
}
}
foreach (string PropertyName in PropertyNameList)
{
List <FocusFrameSelectorList> TableWithPropertyList = new List <FocusFrameSelectorList>();
foreach (Dictionary <string, FocusFrameSelectorList> Table in SelectorTableList)
{
if (Table.ContainsKey(PropertyName))
{
TableWithPropertyList.Add(Table[PropertyName]);
}
}
Debug.Assert(TableWithPropertyList.Count > 0);
FocusFrameSelectorList FirstItem = TableWithPropertyList[0];
CompareEqual Comparer = CompareEqual.New(canReturnFalse: true);
for (int i = 1; i < TableWithPropertyList.Count; i++)
{
IsValid &= FirstItem.IsEqual(Comparer, TableWithPropertyList[i]);
}
}
if (!IsValid)
{
}
Debug.Assert(IsValid);
return(IsValid);
}
/// <inheritdoc/>
public FocusFrameSelectorReadOnlyList(FocusFrameSelectorList list)
: base(list)
{
}