/// <summary>
/// Create cells for the provided state view.
/// </summary>
/// <param name="context">Context used to build the cell view tree.</param>
/// <param name="parentCellView">The parent cell view.</param>
public virtual IFrameCellView BuildNodeCells(IFrameCellViewTreeContext context, IFrameCellViewCollection parentCellView)
{
IDocument Documentation = context.StateView.State.Node.Documentation;
string Text = CommentHelper.Get(Documentation);
if (IsDisplayed(context, Text))
{
IFrameVisibleCellView CellView = CreateCommentCellView(context.StateView, parentCellView, context.StateView.State.Node.Documentation);
ValidateVisibleCellView(context, CellView);
if (context.StateView.State is IFrameOptionalNodeState AsOptionalNodeState)
{
Debug.Assert(AsOptionalNodeState.ParentInner.IsAssigned);
}
return(CellView);
}
else
{
IFrameEmptyCellView CellView = CreateEmptyCellView(context.StateView, parentCellView);
ValidateEmptyCellView(context, CellView);
return(CellView);
}
}
/// <summary>
/// Create cells for the provided state view.
/// </summary>
/// <param name="context">Context used to build the cell view tree.</param>
/// <param name="parentCellView">The parent cell view.</param>
public override IFrameCellView BuildNodeCells(IFrameCellViewTreeContext context, IFrameCellViewCollection parentCellView)
{
IFrameVisibleCellView EmbeddingCellView = CreateVisibleCellView(context.StateView, parentCellView);
ValidateVisibleCellView(context, EmbeddingCellView);
return(EmbeddingCellView);
}
/// <summary>
/// Create cells for the provided state view.
/// </summary>
/// <param name="context">Context used to build the cell view tree.</param>
/// <param name="parentCellView">The collection of cell views containing this view. Null for the root of the cell tree.</param>
public virtual IFrameCellView BuildBlockCells(IFrameCellViewTreeContext context, IFrameCellViewCollection parentCellView)
{
IFrameVisibleCellView CellView = CreateVisibleCellView(context.StateView, parentCellView);
ValidateVisibleCellView(context, CellView);
return(CellView);
}
/// <summary>
/// Create cells for the provided state view.
/// </summary>
/// <param name="context">Context used to build the cell view tree.</param>
/// <param name="parentCellView">The collection of cell views containing this view. Null for the root of the cell tree.</param>
public virtual IFrameCellView BuildBlockCells(IFrameCellViewTreeContext context, IFrameCellViewCollection parentCellView)
{
IDocument Documentation = context.BlockStateView.BlockState.ChildBlock.Documentation;
string Text = CommentHelper.Get(Documentation);
if (IsDisplayed(context, Text))
{
IFrameVisibleCellView CellView = CreateCommentCellView(context.StateView, parentCellView, Documentation);
ValidateVisibleCellView(context, CellView);
return(CellView);
}
else
{
IFrameEmptyCellView CellView = CreateEmptyCellView(context.StateView, parentCellView);
ValidateEmptyCellView(context, CellView);
return(CellView);
}
}
private protected virtual bool DisplayCellViewLineNumber(IFrameVisibleCellView cellView, Action <string, Point> handler, bool[] drawnLines, int maxLength)
{
int LineNumber = cellView.LineNumber;
Debug.Assert(LineNumber < drawnLines.Length);
if (!drawnLines[LineNumber])
{
drawnLines[LineNumber] = true;
Point LineOrigin = new Point(Measure.Zero, ((ILayoutVisibleCellView)cellView).CellOrigin.Y);
string LineText = LineNumber.ToString();
while (LineText.Length < maxLength)
{
LineText = " " + LineText;
}
handler(LineText, LineOrigin);
}
return(false);
}
bool ICollection <IFrameVisibleCellView> .Remove(IFrameVisibleCellView item)
{
return(Remove((IFocusVisibleCellView)item));
}
bool ICollection <IFrameVisibleCellView> .Contains(IFrameVisibleCellView value)
{
return(Contains((IFocusVisibleCellView)value));
}
void ICollection <IFrameVisibleCellView> .Add(IFrameVisibleCellView item)
{
Add((IFocusVisibleCellView)item);
}
/// <summary>
/// Enumerate all visible cell views. Enumeration is interrupted if <paramref name="handler"/> returns true.
/// </summary>
/// <param name="handler">A handler to execute for each cell view.</param>
/// <param name="cellView">The cell view for which <paramref name="handler"/> returned true. Null if none.</param>
/// <param name="reversed">If true, search in reverse order.</param>
/// <returns>The last value returned by <paramref name="handler"/>.</returns>
public override bool EnumerateVisibleCellViews(Func <IFrameVisibleCellView, bool> handler, out IFrameVisibleCellView cellView, bool reversed)
{
if (handler(this))
{
cellView = this;
return(true);
}
else
{
cellView = null;
return(false);
}
}
/// <summary>
/// Enumerate all visible cell views. Enumeration is interrupted if <paramref name="handler"/> returns true.
/// </summary>
/// <param name="handler">A handler to execute for each cell view.</param>
/// <param name="cellView">The cell view for which <paramref name="handler"/> returned true. Null if none.</param>
/// <param name="reversed">If true, search in reverse order.</param>
/// <returns>The last value returned by <paramref name="handler"/>.</returns>
public virtual bool EnumerateVisibleCellViews(Func <IFrameVisibleCellView, bool> handler, out IFrameVisibleCellView cellView, bool reversed)
{
Debug.Assert(handler != null);
Debug.Assert(RootCellView != null);
return(RootCellView.EnumerateVisibleCellViews(handler, out cellView, reversed));
}
private protected virtual void ValidateVisibleCellView(IFrameCellViewTreeContext context, IFrameVisibleCellView cellView)
{
Debug.Assert(cellView.StateView == context.StateView);
Debug.Assert(cellView.Frame == this);
IFrameCellViewCollection ParentCellView = cellView.ParentCellView;
}
/// <summary>
/// Enumerate all visible cell views. Enumeration is interrupted if <paramref name="handler"/> returns true.
/// </summary>
/// <param name="handler">A handler to execute for each cell view.</param>
/// <param name="cellView">The cell view for which <paramref name="handler"/> returned true. Null if none.</param>
/// <param name="reversed">If true, search in reverse order.</param>
/// <returns>The last value returned by <paramref name="handler"/>.</returns>
public virtual bool EnumerateVisibleCellViews(System.Func <IFrameVisibleCellView, bool> handler, out IFrameVisibleCellView cellView, bool reversed)
{
Contract.RequireNotNull(handler, out System.Func <IFrameVisibleCellView, bool> Handler);
Debug.Assert(RootCellView != null);
return(RootCellView.EnumerateVisibleCellViews(Handler, out cellView, reversed));
}
/// <summary>
/// Enumerate all visible cell views. Enumeration is interrupted if <paramref name="handler"/> returns true.
/// </summary>
/// <param name="handler">A handler to execute for each cell view.</param>
/// <param name="cellView">The cell view for which <paramref name="handler"/> returned true. Null if none.</param>
/// <param name="reversed">If true, search in reverse order.</param>
/// <returns>The last value returned by <paramref name="handler"/>.</returns>
public override bool EnumerateVisibleCellViews(Func <IFrameVisibleCellView, bool> handler, out IFrameVisibleCellView cellView, bool reversed)
{
Debug.Assert(handler != null);
for (int i = 0; i < CellViewList.Count; i++)
{
IFrameCellView Item = CellViewList[reversed ? CellViewList.Count - 1 - i : i];
if (Item.EnumerateVisibleCellViews(handler, out cellView, reversed))
{
return(true);
}
}
cellView = null;
return(false);
}
private protected virtual bool GetLastFocusable(IFrameVisibleCellView cellView)
{
return(cellView is IFocusFocusableCellView);
}
/// <summary>
/// Enumerate all visible cell views. Enumeration is interrupted if <paramref name="handler"/> returns true.
/// </summary>
/// <param name="handler">A handler to execute for each cell view.</param>
/// <param name="cellView">The cell view for which <paramref name="handler"/> returned true. Null if none.</param>
/// <param name="reversed">If true, search in reverse order.</param>
/// <returns>The last value returned by <paramref name="handler"/>.</returns>
public override bool EnumerateVisibleCellViews(Func <IFrameVisibleCellView, bool> handler, out IFrameVisibleCellView cellView, bool reversed)
{
Debug.Assert(handler != null);
return(ChildStateView.EnumerateVisibleCellViews(handler, out cellView, reversed));
}
/// <summary>
/// Enumerate all visible cell views. Enumeration is interrupted if <paramref name="handler"/> returns true.
/// </summary>
/// <param name="handler">A handler to execute for each cell view.</param>
/// <param name="cellView">The cell view for which <paramref name="handler"/> returned true. Null if none.</param>
/// <param name="reversed">If true, search in reverse order.</param>
/// <returns>The last value returned by <paramref name="handler"/>.</returns>
public override bool EnumerateVisibleCellViews(Func <IFrameVisibleCellView, bool> handler, out IFrameVisibleCellView cellView, bool reversed)
{
cellView = null;
return(false);
}
int IList <IFrameVisibleCellView> .IndexOf(IFrameVisibleCellView value)
{
return(IndexOf((IFocusVisibleCellView)value));
}
private protected override void ValidateVisibleCellView(IFrameCellViewTreeContext context, IFrameVisibleCellView cellView)
{
Debug.Assert(((IFocusVisibleCellView)cellView).StateView == ((IFocusCellViewTreeContext)context).StateView);
Debug.Assert(((IFocusVisibleCellView)cellView).Frame == this);
IFocusCellViewCollection ParentCellView = ((IFocusVisibleCellView)cellView).ParentCellView;
}
void IList <IFrameVisibleCellView> .Insert(int index, IFrameVisibleCellView item)
{
Insert(index, (IFocusVisibleCellView)item);
}
/// <summary> /// Enumerate all visible cell views. Enumeration is interrupted if <paramref name="handler"/> returns true. /// </summary> /// <param name="handler">A handler to execute for each cell view.</param> /// <param name="cellView">The cell view for which <paramref name="handler"/> returned true. Null if none.</param> /// <param name="reversed">If true, search in reverse order.</param> /// <returns>The last value returned by <paramref name="handler"/>.</returns> public abstract bool EnumerateVisibleCellViews(Func <IFrameVisibleCellView, bool> handler, out IFrameVisibleCellView cellView, bool reversed);
/// <summary>
/// Enumerate all visible cell views. Enumeration is interrupted if <paramref name="handler"/> returns true.
/// </summary>
/// <param name="handler">A handler to execute for each cell view.</param>
/// <param name="cellView">The cell view for which <paramref name="handler"/> returned true. Null if none.</param>
/// <param name="reversed">If true, search in reverse order.</param>
/// <returns>The last value returned by <paramref name="handler"/>.</returns>
public override bool EnumerateVisibleCellViews(Func <IFrameVisibleCellView, bool> handler, out IFrameVisibleCellView cellView, bool reversed)
{
return(BlockStateView.EnumerateVisibleCellViews(handler, out cellView, reversed));
}