// 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.Try"/>.
/// </summary>
public class TryVM : BlockStatementVM
{
#region /* STATICS */
internal static void AddViewModelMapping()
{
CreateViewModel.Add(typeof(Try),
delegate(CodeObject codeObject, bool isDescription, Dictionary<CodeObject, CodeObjectVM> dictionary) { return new TryVM((Try)codeObject, isDescription, dictionary); });
}
#endregion
#region /* FIELDS */
protected ChildListVM<CatchVM> _catchVMs;
protected FinallyVM _finallyVM;
#endregion
#region /* CONSTRUCTORS */
/// <summary>
/// Create a view model instance for the specified <see cref="CodeDOM.Try"/>.
/// </summary>
public TryVM(Try @try, bool isDescription, Dictionary<CodeObject, CodeObjectVM> dictionary)
: base(@try, isDescription, dictionary)
{
_catchVMs = CreateListVM<Catch, CatchVM>(@try.Catches, dictionary);
_finallyVM = (FinallyVM)CreateVM(@try.Finally, isDescription, dictionary);
}
#endregion
#region /* PROPERTIES */
/// <summary>
/// The underlying <see cref="CodeDOM.Try"/> model.
/// </summary>
public Try Try
{
get { return (Try)CodeObject; }
}
/// <summary>
/// A collection of <see cref="CatchVM"/>s.
/// </summary>
public ChildListVM<CatchVM> CatchVMs
{
get { return _catchVMs; }
}
/// <summary>
/// True if there are any <see cref="CatchVM"/>s.
/// </summary>
public bool HasCatchVMs
{
get { return (_catchVMs != null && _catchVMs.Count > 0); }
}
/// <summary>
/// An optional <see cref="FinallyVM"/>.
/// </summary>
public FinallyVM FinallyVM
{
get { return _finallyVM; }
}
/// <summary>
/// True if there is a <see cref="FinallyVM"/>.
/// </summary>
public bool HasFinallyVM
{
get { return (_finallyVM != null); }
}
#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 RenderAfter(CodeRenderer renderer, RenderFlags flags)
{
base.RenderAfter(renderer, flags);
if (HasCatchVMs && !flags.HasFlag(RenderFlags.Description))
{
foreach (CatchVM catchVM in _catchVMs)
catchVM.Render(renderer, flags | RenderFlags.PrefixSpace);
}
if (HasFinallyVM && !flags.HasFlag(RenderFlags.Description))
_finallyVM.Render(renderer, flags | RenderFlags.PrefixSpace);
}
public override void RenderVisible(CodeRenderer renderer, RenderFlags flags)
{
base.RenderVisible(renderer, flags);
renderer.RenderVisibleList(_catchVMs, flags | RenderFlags.PrefixSpace);
if (HasFinallyVM)
_finallyVM.RenderVisible(renderer, flags | RenderFlags.PrefixSpace);
}
public override void UnRender()
{
ChildListHelpers.UnRender(_catchVMs);
if (_finallyVM != null)
_finallyVM.UnRender();
base.UnRender();
}
#endregion
}
}