/// <summary>
/// Measures the element contained by the specified virtual cell.
/// </summary>
/// <param name="cell">The virtual cell to measure.</param>
/// <param name="options">The measurement options for this cell.</param>
private void MeasureVirtualCell(VirtualCellMetadata cell, GridMeasurementOptions options)
{
var cellWidth = 0.0;
var cellHeight = 0.0;
if ((options & GridMeasurementOptions.AssumeInfiniteWidth) == GridMeasurementOptions.AssumeInfiniteWidth)
{
cellWidth = Double.PositiveInfinity;
}
else
{
// If we contain auto columns, then the content determines our width (so assume no constraint)
if (cell.ContainsAutoColumns && !cell.ContainsStarColumns)
{
cellWidth = Double.PositiveInfinity;
}
else
{
cellWidth = CalculateSpanDimension(ColumnDefinitions, cell.ColumnIndex, cell.ColumnSpan);
}
}
if ((options & GridMeasurementOptions.AssumeInfiniteHeight) == GridMeasurementOptions.AssumeInfiniteHeight)
{
cellHeight = Double.PositiveInfinity;
}
else
{
// If we contain auto rows, then the content determines our height (so assume no constraint)
if (cell.ContainsAutoRows && !cell.ContainsStarRows)
{
cellHeight = Double.PositiveInfinity;
}
else
{
cellHeight = CalculateSpanDimension(RowDefinitions, cell.RowIndex, cell.RowSpan);
}
}
var cellSize = new Size2D(cellWidth, cellHeight);
cell.Element.Measure(cellSize);
}
/// <summary>
/// Measures the cells in the specified priority group.
/// </summary>
/// <param name="priority">The measurement priority group to measure.</param>
/// <param name="options">The measurement options for this priority group.</param>
private void MeasureVirtualCells(Int32 priority, GridMeasurementOptions options = GridMeasurementOptions.None)
{
if (!hasCellsOfPriority[priority])
{
return;
}
var discardDesiredWidth = ((options & GridMeasurementOptions.DiscardDesiredWidth) == GridMeasurementOptions.DiscardDesiredWidth);
var discardDesiredHeight = ((options & GridMeasurementOptions.DiscardDesiredHeight) == GridMeasurementOptions.DiscardDesiredHeight);
foreach (var cell in virtualCells)
{
if (cell.MeasurementPriority != priority)
{
continue;
}
MeasureVirtualCell(cell, options);
if (!discardDesiredWidth && cell.ColumnSpan == 1)
{
ColumnDefinitions[cell.ColumnIndex].ExpandContentDimension(cell.Element.DesiredSize.Width);
}
if (!discardDesiredHeight && cell.RowSpan == 1)
{
RowDefinitions[cell.RowIndex].ExpandContentDimension(cell.Element.DesiredSize.Height);
}
}
foreach (var cell in virtualCells)
{
if (!discardDesiredWidth && cell.ColumnSpan > 1)
{
DistributeSpanDimension(ColumnDefinitions, cell.ColumnIndex, cell.ColumnSpan, cell.Element.DesiredSize.Width);
}
if (!discardDesiredHeight && cell.RowSpan > 1)
{
DistributeSpanDimension(RowDefinitions, cell.RowIndex, cell.RowSpan, cell.Element.DesiredSize.Height);
}
}
}
/// <summary>
/// Measures the cells in the specified priority group.
/// </summary>
/// <param name="priority">The measurement priority group to measure.</param>
/// <param name="options">The measurement options for this priority group.</param>
private void MeasureVirtualCells(Int32 priority, GridMeasurementOptions options = GridMeasurementOptions.None)
{
if (!hasCellsOfPriority[priority])
return;
var discardDesiredWidth = ((options & GridMeasurementOptions.DiscardDesiredWidth) == GridMeasurementOptions.DiscardDesiredWidth);
var discardDesiredHeight = ((options & GridMeasurementOptions.DiscardDesiredHeight) == GridMeasurementOptions.DiscardDesiredHeight);
foreach (var cell in virtualCells)
{
if (cell.MeasurementPriority != priority)
continue;
MeasureVirtualCell(cell, options);
if (!discardDesiredWidth && cell.ColumnSpan == 1)
ColumnDefinitions[cell.ColumnIndex].ExpandContentDimension(cell.Element.DesiredSize.Width);
if (!discardDesiredHeight && cell.RowSpan == 1)
RowDefinitions[cell.RowIndex].ExpandContentDimension(cell.Element.DesiredSize.Height);
}
foreach (var cell in virtualCells)
{
if (!discardDesiredWidth && cell.ColumnSpan > 1)
DistributeSpanDimension(ColumnDefinitions, cell.ColumnIndex, cell.ColumnSpan, cell.Element.DesiredSize.Width);
if (!discardDesiredHeight && cell.RowSpan > 1)
DistributeSpanDimension(RowDefinitions, cell.RowIndex, cell.RowSpan, cell.Element.DesiredSize.Height);
}
}
/// <summary>
/// Measures the element contained by the specified virtual cell.
/// </summary>
/// <param name="cell">The virtual cell to measure.</param>
/// <param name="options">The measurement options for this cell.</param>
private void MeasureVirtualCell(VirtualCellMetadata cell, GridMeasurementOptions options)
{
var cellWidth = 0.0;
var cellHeight = 0.0;
if ((options & GridMeasurementOptions.AssumeInfiniteWidth) == GridMeasurementOptions.AssumeInfiniteWidth)
{
cellWidth = Double.PositiveInfinity;
}
else
{
// If we contain auto columns, then the content determines our width (so assume no constraint)
if (cell.ContainsAutoColumns && !cell.ContainsStarColumns)
{
cellWidth = Double.PositiveInfinity;
}
else
{
cellWidth = CalculateSpanDimension(ColumnDefinitions, cell.ColumnIndex, cell.ColumnSpan);
}
}
if ((options & GridMeasurementOptions.AssumeInfiniteHeight) == GridMeasurementOptions.AssumeInfiniteHeight)
{
cellHeight = Double.PositiveInfinity;
}
else
{
// If we contain auto rows, then the content determines our height (so assume no constraint)
if (cell.ContainsAutoRows && !cell.ContainsStarRows)
{
cellHeight = Double.PositiveInfinity;
}
else
{
cellHeight = CalculateSpanDimension(RowDefinitions, cell.RowIndex, cell.RowSpan);
}
}
var cellSize = new Size2D(cellWidth, cellHeight);
cell.Element.Measure(cellSize);
}
