pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #8888
// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)

using System;
using System.Collections.Generic;
using System.Diagnostics;

namespace Tango.Scripting.Editors.Rendering
{
	struct HeightTreeLineNode
	{
		internal HeightTreeLineNode(double height)
		{
			this.collapsedSections = null;
			this.height = height;
		}
		
		internal double height;
		internal List<CollapsedLineSection> collapsedSections;
		
		internal bool IsDirectlyCollapsed {
			get { return collapsedSections != null; }
		}
		
		internal void AddDirectlyCollapsed(CollapsedLineSection section)
		{
			if (collapsedSections == null)
				collapsedSections = new List<CollapsedLineSection>();
			collapsedSections.Add(section);
		}
		
		internal void RemoveDirectlyCollapsed(CollapsedLineSection section)
		{
			Debug.Assert(collapsedSections.Contains(section));
			collapsedSections.Remove(section);
			if (collapsedSections.Count == 0)
				collapsedSections = null;
		}
		
		/// <summary>
		/// Returns 0 if the line is directly collapsed, otherwise, returns <see cref="height"/>.
		/// </summary>
		internal double TotalHeight {
			get {
				return IsDirectlyCollapsed ? 0 : height;
			}
		}
	}
}