// 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.ForEach"/>.
/// </summary>
public class ForEachVM : BlockStatementVM
{
#region /* STATICS */
internal static void AddViewModelMapping()
{
CreateViewModel.Add(typeof(ForEach),
delegate(CodeObject codeObject, bool isDescription, Dictionary<CodeObject, CodeObjectVM> dictionary) { return new ForEachVM((ForEach)codeObject, isDescription, dictionary); });
}
#endregion
#region /* FIELDS */
protected LocalDeclVM _iterationVM;
protected ExpressionVM _collectionVM;
#endregion
#region /* CONSTRUCTORS */
/// <summary>
/// Create a view model instance for the specified <see cref="CodeDOM.ForEach"/>.
/// </summary>
public ForEachVM(ForEach forEach, bool isDescription, Dictionary<CodeObject, CodeObjectVM> dictionary)
: base(forEach, isDescription, dictionary)
{
_iterationVM = (LocalDeclVM)CreateVM(forEach.Iteration, isDescription, dictionary);
_collectionVM = (ExpressionVM)CreateVM(forEach.Collection, isDescription, dictionary);
}
#endregion
#region /* PROPERTIES */
/// <summary>
/// The underlying <see cref="CodeDOM.ForEach"/> model.
/// </summary>
public ForEach ForEach
{
get { return (ForEach)CodeObject; }
}
/// <summary>
/// The <see cref="LocalDeclVM"/> iteration variable.
/// </summary>
public LocalDeclVM IterationVM
{
get { return _iterationVM; }
}
/// <summary>
/// The collection being iterated over.
/// </summary>
public ExpressionVM CollectionVM
{
get { return _collectionVM; }
}
#endregion
#region /* METHODS */
#endregion
#region /* RENDERING */
public override Brush BorderBrush
{
get { return DarkLavender; }
}
public override Brush BackgroundBrush
{
get { return Brushes.Lavender; }
}
protected override void RenderArgument(CodeRenderer renderer, RenderFlags flags)
{
if (_iterationVM != null)
_iterationVM.Render(renderer, flags | RenderFlags.IsPrefix);
renderer.RenderText(ForEach.ParseTokenIn, KEYWORD_BRUSH, this);
_collectionVM.Render(renderer, flags | RenderFlags.PrefixSpace);
}
public override void RenderVisible(CodeRenderer renderer, RenderFlags flags)
{
base.RenderVisible(renderer, flags);
_collectionVM.RenderVisible(renderer, flags);
}
public override void UnRender()
{
if (_iterationVM != null)
_iterationVM.UnRender();
_collectionVM.UnRender();
base.UnRender();
}
#endregion
}
}