protected override void ComputeNextPosition(RowOrientation orientation, ref double xPos, ref double yPos, double width, double height)
{
if (orientation == RowOrientation.Horizontal)
yPos += height;
else
xPos += width;
}
protected override Rect GetRectangle(RowOrientation orientation, TreeMapItem item, double x, double y, double width, double height)
{
if (orientation == RowOrientation.Horizontal)
return new Rect(x, y, width, item.RealArea / width);
else
return new Rect(x, y, item.RealArea / height, height);
}
protected virtual void ComputeNextPosition(RowOrientation orientation, ref double xPos, ref double yPos, double width, double height)
{
if (orientation == RowOrientation.Horizontal)
xPos += width;
else
yPos += height;
}
protected virtual void ComputeNextPosition(RowOrientation orientation, ref double xPos, ref double yPos, double width, double height)
{
if (orientation == RowOrientation.Horizontal)
{
xPos += width;
}
else
{
yPos += height;
}
}
protected virtual Rect GetRectangle(RowOrientation orientation, WeightUIElement item, double x, double y, double width, double height)
{
if (orientation == RowOrientation.Horizontal)
{
return(new Rect(x, y, item.RealArea / height, height));
}
else
{
return(new Rect(x, y, width, item.RealArea / width));
}
}
public static RowOrientation GetRowOrientation(string value)
{
RowOrientation rowOrientation = RowOrientation.Unknown;
if (value.Equals("North"))
{
rowOrientation = RowOrientation.North;
}
else if (value.Equals("South"))
{
rowOrientation = RowOrientation.South;
}
return(rowOrientation);
}
protected void ComputeTreeMaps(List <WeightUIElement> items)
{
RowOrientation orientation = this.GetOrientation();
double areaSum = 0;
foreach (WeightUIElement item in items)
{
areaSum += item.RealArea;
}
Rect currentRow;
if (orientation == RowOrientation.Horizontal)
{
currentRow = new Rect(_emptyArea.X, _emptyArea.Y, areaSum / _emptyArea.Height, _emptyArea.Height);
_emptyArea = new Rect(_emptyArea.X + currentRow.Width, _emptyArea.Y, Math.Max(0, _emptyArea.Width - currentRow.Width), _emptyArea.Height);
}
else
{
currentRow = new Rect(_emptyArea.X, _emptyArea.Y, _emptyArea.Width, areaSum / _emptyArea.Width);
_emptyArea = new Rect(_emptyArea.X, _emptyArea.Y + currentRow.Height, _emptyArea.Width, Math.Max(0, _emptyArea.Height - currentRow.Height));
}
double prevX = currentRow.X;
double prevY = currentRow.Y;
foreach (WeightUIElement item in items)
{
Rect rect = this.GetRectangle(orientation, item, prevX, prevY, currentRow.Width, currentRow.Height);
item.AspectRatio = rect.Width / rect.Height;
item.ComputedSize = rect.Size;
item.ComputedLocation = rect.Location;
this.ComputeNextPosition(orientation, ref prevX, ref prevY, rect.Width, rect.Height);
}
}
protected virtual Rect GetRectangle(RowOrientation orientation, WeightUIElement item, double x, double y, double width, double height)
{
if (orientation == RowOrientation.Horizontal)
return new Rect(x, y, item.RealArea / height, height);
else
return new Rect(x, y, width, item.RealArea / width);
}
