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// 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;
}
}
}
}
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