// 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 Nova.CodeDOM;
namespace Nova.UI
{
/// <summary>
/// The view model for a <see cref="CodeDOM.BaseListTypeDecl"/>.
/// </summary>
public abstract class BaseListTypeDeclVM : TypeDeclVM
{
#region /* FIELDS */
protected ChildListVM<ExpressionVM> _baseTypeVMs;
#endregion
#region /* CONSTRUCTORS */
/// <summary>
/// Create a view model instance for the specified <see cref="CodeDOM.BaseListTypeDecl"/>.
/// </summary>
protected BaseListTypeDeclVM(BaseListTypeDecl baseListTypeDecl, bool isDescription, Dictionary<CodeObject, CodeObjectVM> dictionary)
: base(baseListTypeDecl, isDescription, dictionary)
{
_baseTypeVMs = CreateListVM<Expression, ExpressionVM>(baseListTypeDecl.BaseTypes, dictionary);
}
#endregion
#region /* PROPERTIES */
/// <summary>
/// The underlying <see cref="CodeDOM.BaseListTypeDecl"/> model.
/// </summary>
public BaseListTypeDecl BaseListTypeDecl
{
get { return (BaseListTypeDecl)CodeObject; }
}
/// <summary>
/// The list of base types.
/// </summary>
public ChildListVM<ExpressionVM> BaseTypeVMs
{
get { return _baseTypeVMs; }
}
/// <summary>
/// True if there are any base types.
/// </summary>
public bool HasBaseTypeVMs
{
get { return (_baseTypeVMs != null && _baseTypeVMs.Count > 0); }
}
#endregion
#region /* METHODS */
#endregion
#region /* RENDERING */
protected override void RenderSuffix(CodeRenderer renderer, RenderFlags flags)
{
if (!HasBaseTypeVMs && !flags.HasFlag(RenderFlags.Description))
RenderTerminator(renderer, flags);
}
protected override void RenderAfter(CodeRenderer renderer, RenderFlags flags)
{
RenderAnnotations(renderer, AnnotationFlags.IsInfix1, flags);
if (HasBaseTypeVMs)
{
// Increase the indent level for any newlines that occur within the child list unless specifically told not to
bool increaseIndent = !flags.HasFlag(RenderFlags.NoIncreaseIndent);
if (increaseIndent)
renderer.IndentOnNewLineBegin(ParentVM);
RenderFlags passFlags = (flags & RenderFlags.PassMask);
if (_baseTypeVMs[0].IsFirstOnLine)
{
// If the first base type is on a new line, create a new line now for the ':'
renderer.NewLine();
passFlags |= RenderFlags.SuppressNewLine;
}
else
renderer.RenderText(" ", PUNC_BRUSH, this);
// Render any prefix annotations for the first item in the list before the ':'
_baseTypeVMs[0].RenderAnnotations(renderer, flags);
renderer.RenderText(BaseListTypeDecl.ParseToken + " ", PUNC_BRUSH, this);
renderer.RenderList(_baseTypeVMs, passFlags | RenderFlags.NoPreAnnotations | (HasConstraintClauseVMs ? 0 : RenderFlags.HasTerminator), this);
// Reset the indent level
if (increaseIndent)
renderer.IndentOnNewLineEnd(ParentVM);
}
base.RenderAfter(renderer, flags);
}
public override void UnRender()
{
ChildListHelpers.UnRender(_baseTypeVMs);
base.UnRender();
}
#endregion
}
}