public GridVertexInfoEventArgs(object vertex)
{
_vertex = vertex;
_vertexInfo = new GridVertexInfo();
}
protected override void InternalCompute()
{
var autoRowHeights = new Dictionary <int, double>();
var autoColumnWidths = new Dictionary <int, double>();
var autoRows = new HashSet <int>(Parameters.Rows.Where(r => r.AutoHeight).Select((r, i) => i));
var autoColumns = new HashSet <int>(Parameters.Columns.Where(c => c.AutoWidth).Select((c, i) => i));
int curRow = 0, curColumn = 0;
if (autoRows.Count > 0 || autoColumns.Count > 0)
{
foreach (TVertex vertex in VisitedGraph.Vertices)
{
GridVertexInfo info = Parameters.GetVertexInfo(vertex);
int row, column, rowSpan, columnSpan;
if (info != null)
{
row = info.Row;
column = info.Column;
rowSpan = info.RowSpan;
columnSpan = info.ColumnSpan;
}
else
{
row = curRow++;
if (curRow >= Parameters.Rows.Count)
{
break;
}
column = curColumn++;
if (curColumn >= Parameters.Columns.Count)
{
curColumn = 0;
}
rowSpan = 1;
columnSpan = 1;
}
Size sz = _vertexSizes[vertex];
if (rowSpan == 1 && autoRows.Contains(row))
{
double height = GetValue(autoRowHeights, row);
autoRowHeights[row] = Math.Max(height, sz.Height);
}
if (columnSpan == 1 && autoColumns.Contains(column))
{
double width = GetValue(autoColumnWidths, column);
autoColumnWidths[column] = Math.Max(width, sz.Width);
}
}
}
curRow = 0;
curColumn = 0;
foreach (TVertex vertex in VisitedGraph.Vertices)
{
GridVertexInfo info = Parameters.GetVertexInfo(vertex);
int row, column, rowSpan, columnSpan;
GridHorizontalAlignment horzAlign;
GridVerticalAlignment vertAlign;
if (info != null)
{
row = info.Row;
column = info.Column;
rowSpan = info.RowSpan;
columnSpan = info.ColumnSpan;
horzAlign = info.HorizontalAlignment;
vertAlign = info.VerticalAlignment;
}
else
{
row = curRow++;
if (curRow >= Parameters.Rows.Count)
{
break;
}
column = curColumn++;
if (curColumn >= Parameters.Columns.Count)
{
curColumn = 0;
}
rowSpan = 1;
columnSpan = 1;
horzAlign = GridHorizontalAlignment.Center;
vertAlign = GridVerticalAlignment.Center;
}
Size sz = _vertexSizes[vertex];
Rect rect = GetRect(row, column, rowSpan, columnSpan, autoRowHeights, autoColumnWidths);
double x = 0;
switch (horzAlign)
{
case GridHorizontalAlignment.Left:
x = rect.Left + sz.Width / 2;
break;
case GridHorizontalAlignment.Center:
x = rect.Left + rect.Width / 2;
break;
case GridHorizontalAlignment.Right:
x = rect.Right - sz.Width / 2;
break;
}
double y = 0;
switch (vertAlign)
{
case GridVerticalAlignment.Top:
y = rect.Top + sz.Height / 2;
break;
case GridVerticalAlignment.Center:
y = rect.Top + rect.Height / 2;
break;
case GridVerticalAlignment.Bottom:
y = rect.Bottom - sz.Height / 2;
break;
}
VertexPositions[vertex] = new Point(x, y);
}
}
public GridVertexInfoEventArgs(object vertex)
{
_vertex = vertex;
_vertexInfo = new GridVertexInfo();
}
