// The Nova Project by Ken Beckett.
// Copyright (C) 2007-2012 Inevitable Software, all rights reserved.
// Released under the Common Development and Distribution License, CDDL-1.0: http://opensource.org/licenses/cddl1.php
using System.Collections.Generic;
using System.Windows.Media;
using Nova.CodeDOM;
namespace Nova.UI
{
/// <summary>
/// The view model for a <see cref="CodeDOM.Cast"/>.
/// </summary>
public class CastVM : PreUnaryOperatorVM
{
#region /* STATICS */
internal static void AddViewModelMapping()
{
CreateViewModel.Add(typeof(Cast),
delegate(CodeObject codeObject, bool isDescription, Dictionary<CodeObject, CodeObjectVM> dictionary) { return new CastVM((Cast)codeObject, dictionary); });
}
#endregion
#region /* FIELDS */
protected ExpressionVM _typeVM;
#endregion
#region /* CONSTRUCTORS */
/// <summary>
/// Create a view model instance for the specified <see cref="CodeDOM.Cast"/>.
/// </summary>
public CastVM(Cast cast, Dictionary<CodeObject, CodeObjectVM> dictionary)
: base(cast, dictionary)
{
_typeVM = (ExpressionVM)CreateVM(cast.Type, false, dictionary);
}
#endregion
#region /* PROPERTIES */
/// <summary>
/// The underlying <see cref="CodeDOM.Cast"/> model.
/// </summary>
public Cast Cast
{
get { return (Cast)CodeObject; }
}
#endregion
#region /* METHODS */
#endregion
#region /* RENDERING */
protected override Brush RenderBrush(RenderFlags flags)
{
// If there is an unresolved operator overload, render it as an error (or warning if in a doc comment)
return (UnaryOperator.HiddenRef is UnresolvedRef ? (flags.HasFlag(RenderFlags.InDocComment) ? WARNING_BRUSH : ERROR_BRUSH) : PUNC_BRUSH);
}
protected override void RenderOperator(CodeRenderer renderer, RenderFlags flags)
{
RenderFlags passFlags = (flags & RenderFlags.PassMask);
Brush brush = RenderBrush(flags);
renderer.RenderText(Cast.ParseTokenStart, brush, this);
if (_typeVM != null)
_typeVM.Render(renderer, passFlags);
renderer.RenderText(Cast.ParseTokenEnd, brush, this);
}
public override void UnRender()
{
if (_typeVM != null)
_typeVM.UnRender();
base.UnRender();
}
#endregion
}
}