/// <summary>
/// Gets row definition for the specified view.
/// </summary>
private RowDefinition GetRowDefinition(UIView child)
{
var cellIndex = Cell.GetValue(child);
int rowIndex = cellIndex.Row < Rows.Count ? cellIndex.Row : Rows.Count - 1;
var rowDefinition = Rows[rowIndex];
var cellSpan = CellSpan.GetValue(child);
if (cellSpan == null || cellSpan.Row <= 1)
{
return(rowDefinition);
}
var rowSpacing = RowSpacing ?? (Spacing ?? ElementSize.Default);
// calculate new row definition based on row span
var spannedRowDefinition = new RowDefinition(rowDefinition);
for (int i = 1; i < cellSpan.Row; ++i)
{
int nextRowIndex = rowIndex + i;
if (nextRowIndex >= Rows.Count)
{
break;
}
var nextRowDefinition = Rows[nextRowIndex];
// add actual width and spacing of next row
spannedRowDefinition.ActualHeight += nextRowDefinition.ActualHeight + rowSpacing;
}
return(spannedRowDefinition);
}
/// <summary>
/// Gets column definition for the specified view.
/// </summary>
private ColumnDefinition GetColumnDefinition(UIView child)
{
var cellIndex = Cell.GetValue(child);
int columnIndex = cellIndex.Column < Columns.Count ? cellIndex.Column : Columns.Count - 1;
var columnDefinition = Columns[columnIndex];
var cellSpan = CellSpan.GetValue(child);
if (cellSpan == null || cellSpan.Column <= 1)
{
return(columnDefinition);
}
var columnSpacing = ColumnSpacing ?? (Spacing ?? ElementSize.Default);
// calculate new column definition based on column span
var spannedColumnDefinition = new ColumnDefinition(columnDefinition);
for (int i = 1; i < cellSpan.Column; ++i)
{
int nextColumnIndex = columnIndex + i;
if (nextColumnIndex >= Columns.Count)
{
break;
}
var nextColumnDefinition = Columns[nextColumnIndex];
// add actual width and spacing of next column
spannedColumnDefinition.ActualWidth += nextColumnDefinition.ActualWidth + columnSpacing;
}
return(spannedColumnDefinition);
}
