protected override void OnGenerateVisibleColumns(VisibleLinesCollection visibleColumnLines)
{
this.VisibleColumns.Clear();
var groupCount = this.DataGrid.View != null ? this.DataGrid.View.GroupDescriptions.Count : 0;
int startIndex = 0;
if (this.DataGrid.showRowHeader)
{
if (visibleColumnLines.Any(line => line.LineIndex == 0))
{
CreateRowHeaderColumn(startIndex);
}
startIndex++;
}
if (this.DataGrid.GridModel.HasGroup)
{
for (var index = startIndex; index < groupCount + startIndex; index++)
{
if (visibleColumnLines.Any(line => line.LineIndex == index))
{
this.VisibleColumns.Add(CreateIndentColumn(index));
}
}
}
var indentDataColumn = CreateDetailsViewIndentColumn(groupCount + (this.DataGrid.showRowHeader ? 1 : 0));
this.VisibleColumns.Add(indentDataColumn);
var dc = CreateDetailsViewContent(groupCount + 1 + (this.DataGrid.showRowHeader ? 1 : 0));
this.VisibleColumns.Add(dc);
}
protected override void OnGenerateVisibleColumns(VisibleLinesCollection visibleColumnLines)
{
if (visibleColumnLines.Count <= 0)
{
return;
}
int startColumnIndex;
int endColumnIndex;
this.VisibleColumns.Clear();
if (this.CoveredCells.Count > 0)
{
foreach (var coveredCell in this.CoveredCells)
{
int columnHeightIncrementation = 0;
columnHeightIncrementation = coveredCell.RowSpan;
var dc = CreateColumn(coveredCell, coveredCell.Left, columnHeightIncrementation, coveredCell.Right - coveredCell.Left);
this.VisibleColumns.Add(dc);
}
int startIndex = 0;
if (this.DataGrid.ShowRowHeader)
{
this.CreateRowHeaderColumn(startIndex);
startIndex++;
}
int index;
// WPF-20041 - Need to increment indent column index
var compareIndex = this.RowType == Grid.RowType.CaptionCoveredRow ? this.RowLevel + startIndex
:(this.DataGrid.View != null ? this.DataGrid.View.GroupDescriptions.Count : 0) + startIndex;
for (index = startIndex; index < compareIndex; index++)
{
if (!visibleColumnLines.Any(col => col.LineIndex == index))
{
continue;
}
this.CreateIndentInCoveredRow(index);
}
startIndex = index;
if (!visibleColumnLines.Any(col => col.LineIndex == index))
{
return;
}
if (this.DataGrid.DetailsViewManager.HasDetailsView)
{
if (this.RowIndex < this.DataGrid.StackedHeaderRows.Count)
{
this.VisibleColumns.Add(this.CreateIndentColumn(startIndex));
}
else if (this.DataGrid.View != null && (this.RowType == RowType.SummaryRow || this.RowType == RowType.CaptionRow || this.RowType == RowType.TableSummaryRow))
{
this.VisibleColumns.Add(CreateDetailsViewIndentColumn(startIndex));
}
}
this.ResetLastColumnBorderThickness(this.VisibleColumns.LastOrDefault(visibleColumn =>
{
if ((visibleColumn.ColumnElement is GridGroupSummaryCell || visibleColumn.ColumnElement is GridTableSummaryCell ||
visibleColumn.ColumnElement is GridCaptionSummaryCell) && visibleColumn.ColumnElement.Visibility != Visibility.Collapsed)
{
return(visibleColumn.ColumnSpan > 0 ? true : (visibleColumn.GridColumn != null && !visibleColumn.GridColumn.IsHidden));
}
else
{
return(false);
}
}), true);
}
else
{
startColumnIndex = visibleColumnLines[visibleColumnLines.FirstBodyVisibleIndex - this.DataGrid.VisualContainer.FrozenColumns].LineIndex;
endColumnIndex = visibleColumnLines[visibleColumnLines.LastBodyVisibleIndex].LineIndex;
for (int index = startColumnIndex; index <= endColumnIndex; index++)
{
if (!visibleColumnLines.Any(col => col.LineIndex == index))
{
return;
}
if (index < (this.DataGrid.View != null ? this.DataGrid.View.GroupDescriptions.Count : 0))
{
this.CreateIndentInCoveredRow(index);
continue;
}
//var dc = CreateColumn(null, index, 0, 0);
//dc.IsFixedColumn = false;
//this.VisibleColumns.Add(dc);
//this.ResetLastColumnBorderThickness(dc, index == endColumnIndex);
}
}
}
internal override void EnsureColumns(VisibleLinesCollection visibleColumnLines)
{
this.VisibleColumns.ForEach(dataColumn => dataColumn.IsEnsured = false);
var groupCount = this.DataGrid.View != null ? this.DataGrid.View.GroupDescriptions.Count : 0;
int startIndex = 0;
if (this.DataGrid.showRowHeader)
{
if (visibleColumnLines.Any(line => line.LineIndex == 0))
{
var dc = this.VisibleColumns.FirstOrDefault(dataColumn => dataColumn.ColumnIndex == 0);
if (dc != null)
{
dc.IsEnsured = true;
if (dc.ColumnVisibility == Visibility.Collapsed)
{
dc.ColumnVisibility = Visibility.Visible;
}
}
else
{
CreateRowHeaderColumn(startIndex);
}
}
startIndex++;
}
for (var index = startIndex; index < groupCount + startIndex; index++)
{
if (visibleColumnLines.Any(line => line.LineIndex == index))
{
var dc = this.VisibleColumns.FirstOrDefault(dataColumn => dataColumn.ColumnIndex == index);
if (dc != null)
{
dc.IsEnsured = true;
if (dc.ColumnVisibility == Visibility.Collapsed)
{
dc.ColumnVisibility = Visibility.Visible;
}
}
else
{
this.VisibleColumns.Add(CreateIndentColumn(index));
}
}
}
var indentcolumnindex = groupCount + (this.DataGrid.showRowHeader ? 1 : 0);
if (visibleColumnLines.Any(line => line.LineIndex == indentcolumnindex))
{
var indentDataColumn = this.VisibleColumns.FirstOrDefault(dataColumn => dataColumn.ColumnIndex == indentcolumnindex);
if (indentDataColumn != null)
{
indentDataColumn.IsEnsured = true;
if (indentDataColumn.ColumnVisibility == Visibility.Collapsed)
{
indentDataColumn.ColumnVisibility = Visibility.Visible;
}
}
else
{
this.VisibleColumns.Add(CreateDetailsViewIndentColumn(groupCount + (this.DataGrid.showRowHeader ? 1 : 0)));
}
}
var detailsViewDataColumn = this.VisibleColumns.FirstOrDefault(dataColumn => dataColumn.ColumnIndex == groupCount + 1 + (this.DataGrid.showRowHeader ? 1 : 0));
if (detailsViewDataColumn != null)
{
detailsViewDataColumn.IsEnsured = true;
if (detailsViewDataColumn.ColumnVisibility == Visibility.Collapsed)
{
detailsViewDataColumn.ColumnVisibility = Visibility.Visible;
}
}
else
{
this.VisibleColumns.Add(CreateDetailsViewContent(groupCount + 1 + (this.DataGrid.showRowHeader ? 1 : 0)));
}
this.VisibleColumns.ForEach(column =>
{
if (!column.IsEnsured)
{
CollapseColumn(column);
}
});
// WPF-18333 - after clearing all the columns, DetailsViewContentPresenter content will be null. Then if new column is added, its content need to be set here.
// Also parent grid width should be adjuted based on DetailsViewDataGrid
if (this.DetailsViewContentPresenter != null && this.DetailsViewContentPresenter.Content == null)
{
this.DetailsViewContentPresenter.Content = this.DetailsViewDataGrid;
if (this.DetailsViewDataGrid.NotifyListener != null)
{
DetailsViewManager.AdjustParentsWidth(this.DetailsViewDataGrid.NotifyListener.GetParentDataGrid(), this.DetailsViewDataGrid);
}
}
if (this.WholeRowElement.ItemsPanel != null)
{
this.WholeRowElement.ItemsPanel.InvalidateMeasure();
}
}
