// 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;
using System.Windows.Media;
using Nova.CodeDOM;
using Expression = Nova.CodeDOM.Expression;
namespace Nova.UI
{
/// <summary>
/// The view model for a <see cref="CodeDOM.Unrecognized"/>.
/// </summary>
public class UnrecognizedVM : ExpressionVM
{
#region /* STATICS */
internal static void AddViewModelMapping()
{
CreateViewModel.Add(typeof(Unrecognized),
delegate(CodeObject codeObject, bool isDescription, Dictionary<CodeObject, CodeObjectVM> dictionary) { return new UnrecognizedVM((Unrecognized)codeObject, dictionary); });
}
#endregion
#region /* FIELDS */
protected ChildListVM<ExpressionVM> _expressionVMs;
#endregion
#region /* CONSTRUCTORS */
/// <summary>
/// Create a view model instance for the specified <see cref="CodeDOM.Unrecognized"/>.
/// </summary>
public UnrecognizedVM(Unrecognized unrecognized, Dictionary<CodeObject, CodeObjectVM> dictionary)
: base(unrecognized, dictionary)
{
_expressionVMs = CreateListVM<Expression, ExpressionVM>(unrecognized.Expressions, dictionary);
}
#endregion
#region /* PROPERTIES */
/// <summary>
/// The underlying <see cref="CodeDOM.Unrecognized"/> model.
/// </summary>
public Unrecognized Unrecognized
{
get { return (Unrecognized)CodeObject; }
}
/// <summary>
/// A collection of child <see cref="ExpressionVM"/>s.
/// </summary>
public ChildListVM<ExpressionVM> Expressions
{
get { return _expressionVMs; }
}
#endregion
#region /* METHODS */
#endregion
#region /* RENDERING */
// Highly-noticeable background brush for Unrecognized code
protected static LinearGradientBrush background;
public override Brush BackgroundBrush
{
get
{
if (background == null)
{
// Allocate on first use (only if needed, and also ensures creation on the UI thread)
background = new LinearGradientBrush(
new GradientStopCollection
{
new GradientStop(Colors.Black, 0.0),
new GradientStop(Colors.Black, 0.3),
new GradientStop(Colors.Yellow, 0.5),
new GradientStop(Colors.Yellow, 0.8),
new GradientStop(Colors.Black, 1.0)
},
new Point(0, 0), new Point(0.1, 0.5)) { SpreadMethod = GradientSpreadMethod.Repeat };
}
return (Unrecognized.InDocComment ? base.BackgroundBrush : background);
}
}
public override void Render(CodeRenderer renderer, RenderFlags flags)
{
base.Render(renderer, flags | RenderFlags.ForceBorder | RenderFlags.NoIncreaseIndent);
}
public override void RenderExpression(CodeRenderer renderer, RenderFlags flags)
{
RenderFlags passFlags = (flags & RenderFlags.PassMask);
renderer.RenderList(_expressionVMs, passFlags | RenderFlags.ForceBorder | RenderFlags.NoItemSeparators, this);
}
public override void UnRender()
{
ChildListHelpers.UnRender(_expressionVMs);
base.UnRender();
}
#endregion
}
}