// 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.Alias"/>.
/// </summary>
public class AliasVM : StatementVM
{
#region /* STATICS */
internal static void AddViewModelMapping()
{
CreateViewModel.Add(typeof(Alias),
delegate(CodeObject codeObject, bool isDescription, Dictionary<CodeObject, CodeObjectVM> dictionary) { return new AliasVM((Alias)codeObject, dictionary); });
}
#endregion
#region /* FIELDS */
protected ExpressionVM _expressionVM;
#endregion
#region /* CONSTRUCTORS */
/// <summary>
/// Create a view model instance for the specified <see cref="CodeDOM.Alias"/>.
/// </summary>
public AliasVM(Alias alias, Dictionary<CodeObject, CodeObjectVM> dictionary)
: base(alias, dictionary)
{
_expressionVM = (ExpressionVM)CreateVM(alias.Expression, false, dictionary);
}
#endregion
#region /* PROPERTIES */
/// <summary>
/// The underlying <see cref="CodeDOM.Alias"/> model.
/// </summary>
public Alias Alias
{
get { return (Alias)CodeObject; }
}
/// <summary>
/// The aliased <see cref="Expression"/>.
/// </summary>
public ExpressionVM Expression
{
get { return _expressionVM; }
}
#endregion
#region /* METHODS */
#endregion
#region /* RENDERING */
public override Brush BorderBrush
{
get { return Brushes.Pink; }
}
public override Brush BackgroundBrush
{
get { return Brushes.MistyRose; }
}
protected override void RenderArgument(CodeRenderer renderer, RenderFlags flags)
{
Expression expression = _expressionVM.Expression.SkipPrefixes();
Brush brush;
if (expression is NamespaceRef)
brush = IDENTIFIER_BRUSH;
else if (expression is TypeRef)
brush = TYPE_BRUSH;
else
brush = ERROR_BRUSH;
renderer.RenderText(Alias.Name, brush, this);
renderer.RenderText(" ", PUNC_BRUSH, this);
if (OperatorVM.UseAlternativeDisplay)
AssignmentVM.AltRenderOperator(renderer, OPERATOR_BRUSH, this);
else
renderer.RenderText(Alias.ParseTokenSeparator, OPERATOR_BRUSH, this);
if (_expressionVM != null)
_expressionVM.Render(renderer, flags | RenderFlags.PrefixSpace);
}
public override void UnRender()
{
_expressionVM.UnRender();
base.UnRender();
}
public override void RenderToolTip(CodeRenderer renderer, RenderFlags flags)
{
TypeRefBaseVM.RenderType(renderer, CodeObject.GetType(), flags, this);
renderer.RenderText(" : ", NORMAL_BRUSH, TextStyle.Proportional | TextStyle.Bold);
RenderDescription(renderer);
Expression expression = _expressionVM.Expression.SkipPrefixes();
if (expression is NamespaceRef)
renderer.RenderText(" (namespace alias)", NORMAL_BRUSH, TextStyle.Proportional);
else if (expression is TypeRef)
renderer.RenderText(" (type alias)", NORMAL_BRUSH, TextStyle.Proportional);
else
renderer.RenderText(" (unknown if namespace alias or type alias)", NORMAL_BRUSH, TextStyle.Proportional);
RenderSummaryCommentInToolTip(renderer);
RenderMessagesInToolTip(renderer, flags);
}
#endregion
}
}