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/*++
File: FixedSOMGroup.cs
Copyright (C) 2005 Microsoft Corporation. All rights reserved.
Description:
A concrete container that can be used to put together to group different or same types of containers
History:
06/17/2005: agurcan - Created
--*/
namespace System.Windows.Documents
{
using System.Collections.Generic;
using System.Diagnostics;
using System.Windows.Media;
using System.Globalization;
internal class FixedSOMGroup :FixedSOMPageElement, IComparable
{
//--------------------------------------------------------------------
//
// Constructors
//
//---------------------------------------------------------------------
#region Constructors
public FixedSOMGroup(FixedSOMPage page) : base(page)
{
}
#endregion Constructors
#region IComparable
int IComparable.CompareTo(object comparedObj)
{
int result = Int32.MinValue;
FixedSOMGroup compared = comparedObj as FixedSOMGroup;
Debug.Assert(compared != null);
if (compared == null)
{
throw new ArgumentException(SR.Get(SRID.UnexpectedParameterType, comparedObj.GetType(), typeof(FixedSOMGroup)), "comparedObj");
}
bool RTL = this.IsRTL && compared.IsRTL;
SpatialComparison compareHor = base._CompareHorizontal(compared, RTL);
SpatialComparison compareVer = base._CompareVertical(compared);
Debug.Assert(compareHor != SpatialComparison.None);
Debug.Assert(compareVer != SpatialComparison.None);
switch (compareVer)
{
case SpatialComparison.Before:
result = -1;
break;
case SpatialComparison.After:
result = 1;
break;
case SpatialComparison.OverlapBefore:
if ((int)compareHor <= (int)SpatialComparison.Equal)
{
result = -1;
}
else
{
result = 1;
}
break;
case SpatialComparison.OverlapAfter:
if ((int)compareHor >= (int)SpatialComparison.Equal)
{
result = 1;
}
else
{
result = -1;
}
break;
case SpatialComparison.Equal:
switch (compareHor)
{
case SpatialComparison.After:
case SpatialComparison.OverlapAfter:
result = 1;
break;
case SpatialComparison.Before:
case SpatialComparison.OverlapBefore:
result = -1;
break;
case SpatialComparison.Equal:
result = 0;
break;
default:
Debug.Assert(false);
break;
}
break;
default:
//Shouldn't happen
Debug.Assert(false);
break;
}
return result;
}
#endregion
#region Public methods
//--------------------------------------------------------------------
//
// Public methods
//
//---------------------------------------------------------------------
public void AddContainer(FixedSOMPageElement pageElement)
{
FixedSOMFixedBlock block = pageElement as FixedSOMFixedBlock;
if (block == null || (!block.IsFloatingImage && !block.IsWhiteSpace))
{
if (pageElement.IsRTL)
{
_RTLCount++;
}
else
{
_LTRCount++;
}
}
_semanticBoxes.Add(pageElement);
if (_boundingRect.IsEmpty)
{
_boundingRect = pageElement.BoundingRect;
}
else
{
_boundingRect.Union(pageElement.BoundingRect);
}
}
#if DEBUG
public override void Render(DrawingContext dc, string label, DrawDebugVisual debugVisual)
{
Pen pen = new Pen(Brushes.Maroon, 3);
Rect rect = _boundingRect;
rect.Inflate(5,5);
dc.DrawRectangle(null, pen , rect);
if (label != null)
{
if (this.IsRTL)
{
label += "R";
}
base.RenderLabel(dc, label);
}
foreach (FixedSOMSemanticBox box in _semanticBoxes)
{
box.Render(dc, "", debugVisual);
}
}
#endif
#endregion Public methods
#region Public Properties
public override bool IsRTL
{
get
{
return _RTLCount > _LTRCount;
}
}
#endregion Public Properties
#region Private fields
private int _RTLCount;
private int _LTRCount;
#endregion Private fields
}
}
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