public Row(ResizableGrid owner, int rowIndex)
: base(owner)
{
RowCellList = new List <RowCell>();
foreach (ContentPresenter cp in Owner.Children)
{
GridColumnData gridColumnData = (GridColumnData)cp.Content;
ColumnBase gridColumn = gridColumnData.Column;
int row = BandedViewBehavior.GetRow(gridColumn);
int rowSpan = BandedViewBehavior.GetRowSpan(gridColumn);
if (row <= rowIndex && row + rowSpan > rowIndex)
{
RowCellList.Add(new RowCell(Owner, gridColumn, cp));
}
Comparison <RowCell> sortingMethos = (rowCell1, rowCell2) => {
if (rowCell1.Column == rowCell2.Column)
{
return(0);
}
return(rowCell1.Column < rowCell2.Column ? -1 : 1);
};
RowCellList.Sort(sortingMethos);
}
}
public void Resize(ColumnBase gridColumn, double diff)
{
Rows rows = new Rows(this);
CorrectColumnsWidth(rows);
if (diff == 0d || double.IsNaN(diff))
{
return;
}
int columnIndex = BandedViewBehavior.GetColumn(gridColumn);
int rowIndex = BandedViewBehavior.GetRow(gridColumn);
Row row = rows[rowIndex];
row.SelectColumn(columnIndex);
if (diff > 0)
{
DecreaseColumnsWidth(row, row.SelectedIndex + 1, ref diff);
IncreaseSelectedColumnWidth(row, diff);
}
if (diff < 0)
{
diff *= -1;
if (Math.Abs(row.SelectedCell.ActualWidth - row.SelectedCell.ColumnMinWidth) <= 0.5)
{
return;
}
DecreaseSelectedColumnWidth(row, ref diff);
IncreaseColumnsWidth(row, row.SelectedIndex + 1, diff);
}
row.Foreach(row.SelectedIndex, (rowCell) => {
double res = rowCell.NewWidth / row.RowWidth;
rowCell.ColumnWidth = new GridLength(res, GridUnitType.Star);
});
}
void PrepareChild(ContentPresenter child, ColumnBase column)
{
int columnCorrectingCoef = BandedViewBehavior.GetIsLeftColumn(column) ? 0 : 1;
int columnSpanCorrectingCoef = BandedViewBehavior.GetIsLeftColumn(column) ? 1 : 0;
StdGrid.SetRow(child, BandedViewBehavior.GetRow(column));
StdGrid.SetColumn(child, BandedViewBehavior.GetColumn(column) + columnCorrectingCoef);
StdGrid.SetRowSpan(child, BandedViewBehavior.GetRowSpan(column));
StdGrid.SetColumnSpan(child, BandedViewBehavior.GetColumnSpan(column) + columnSpanCorrectingCoef);
}
public RowCell(ResizableGrid owner, ColumnBase gridColumn, ContentPresenter contentPresenter)
: base(owner)
{
GridColumnPresenter = contentPresenter;
GridColumn = gridColumn;
Row = BandedViewBehavior.GetRow(GridColumn);
RowSpan = BandedViewBehavior.GetRowSpan(GridColumn);
Column = BandedViewBehavior.GetColumn(GridColumn);
ColumnSpan = BandedViewBehavior.GetColumnSpan(GridColumn);
ColumnDefinitions = new ColumnDefinitions();
for (int i = Column; i < Column + ColumnSpan; i++)
{
ColumnDefinitions.Add(Owner.BandBehavior.ColumnDefinitions[i]);
}
}
protected override FrameworkElement CreateChild(object item)
{
GridCellData cellData = (GridCellData)item;
ColumnBase gridColumn = cellData.Column;
AutoWidthCellContentPresenter presenter = new AutoWidthCellContentPresenter();
int row = BandedViewBehavior.GetRow(gridColumn);
int column = BandedViewBehavior.GetColumn(gridColumn) + 1;
int rowSpan = BandedViewBehavior.GetRowSpan(gridColumn);
int columnSpan = BandedViewBehavior.GetColumnSpan(gridColumn);
StdGrid.SetRow(presenter, row);
StdGrid.SetColumn(presenter, column);
StdGrid.SetRowSpan(presenter, rowSpan);
StdGrid.SetColumnSpan(presenter, columnSpan);
if (BandedViewBehavior.GetIsBand(gridColumn))
{
presenter.Visibility = Visibility.Collapsed;
}
else
{
presenter.Visibility = Visibility.Visible;
}
return(presenter);
}