// 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.CompilerDirective"/>.
/// </summary>
public abstract class CompilerDirectiveVM : AnnotationVM
{
#region /* CONSTRUCTORS */
/// <summary>
/// Create a view model instance for the specified <see cref="CodeDOM.CompilerDirective"/>.
/// </summary>
protected CompilerDirectiveVM(CompilerDirective compilerDirective, Dictionary<CodeObject, CodeObjectVM> dictionary)
: base(compilerDirective, dictionary)
{ }
#endregion
#region /* PROPERTIES */
/// <summary>
/// The underlying <see cref="CodeDOM.CompilerDirective"/> model.
/// </summary>
public CompilerDirective CompilerDirective
{
get { return (CompilerDirective)CodeObject; }
}
#endregion
#region /* RENDERING */
public override Brush BorderBrush
{
get { return Brushes.LightPink; }
}
public override Brush BackgroundBrush
{
get { return Brushes.MistyRose; }
}
public override int BorderHPad
{
get { return 2; }
}
public override int BorderVPad
{
get { return 1; }
}
protected virtual void RenderArgument(CodeRenderer renderer, RenderFlags flags)
{ }
protected virtual void RenderSkippedText(CodeRenderer renderer, RenderFlags flags)
{ }
public override void Render(CodeRenderer renderer, RenderFlags flags)
{
int newLines = CompilerDirective.NewLines;
// Compiler directives always start on a new line (but still check for IsPrefix)
bool isPrefix = flags.HasFlag(RenderFlags.IsPrefix);
if (!isPrefix && !flags.HasFlag(RenderFlags.SuppressNewLine))
renderer.NewLines(newLines < 1 ? 1 : newLines, ParentVM);
CreateBorder(renderer, flags);
RenderFlags passFlags = (flags & RenderFlags.PassMask);
RenderBefore(renderer, passFlags | RenderFlags.IsPrefix);
renderer.RenderText(CompilerDirective.ParseToken + CompilerDirective.DirectiveKeyword, DIRECTIVE_BRUSH, this);
if (CompilerDirective.HasArgument)
{
renderer.RenderText(" ", PUNC_BRUSH, this);
RenderArgument(renderer, passFlags | RenderFlags.ForceBorder);
}
RenderEOLComments(renderer, flags);
RenderAfter(renderer, passFlags | (flags & RenderFlags.NoPostAnnotations));
renderer.ReturnToBorderParent(this);
// If this directive is rendered as a prefix, then the newline comes at the end
if (isPrefix)
renderer.NewLines(newLines < 1 ? 1 : newLines, ParentVM);
else
renderer.NeedsNewLine = true;
RenderSkippedText(renderer, flags);
}
#endregion
}
}