/// <summary>
/// Perfoms MouseUp operation on GridHeaderCellControl
/// </summary>
/// <param name="e">An <see cref="T:System.Windows.Input.MouseButtonEventArgs">MouseButtonEventArgs</see> that contains the event data.</param>
/// <param name="headerCell"></param>
/// <remarks></remarks>
internal void DoActionOnMouseUp(MouseEventArgs e, GridHeaderCellControl headerCell)
{
#if !WPF
PointerPoint pp = e.GetCurrentPoint(this.dataGrid.VisualContainer);
double hScrollChange = 0;
for (int i = 0; i < this.dataGrid.VisualContainer.FrozenColumns; i++)
{
hScrollChange += this.dataGrid.VisualContainer.ColumnWidths[i];
}
var pointerPoint = new Point(pp.Position.X - (dataGrid.VisualContainer.HScrollBar.Value - hScrollChange), pp.Position.Y - dataGrid.VisualContainer.VScrollBar.Value);
double delta = pointerPoint.X - dragLine.Corner;
#else
Point pp = e.GetPosition(this.dataGrid.VisualContainer);
double delta = pp.X - dragLine.Corner;
#endif
var columnIndex = this.dataGrid.ResolveToGridVisibleColumnIndex(dragLine.LineIndex);
double width = Math.Max(0, dragLine.Size + delta);
if (!(columnIndex >= 0 && columnIndex < this.dataGrid.Columns.Count))
{
return;
}
width = ComputeResizingWidth(this.dataGrid.Columns[columnIndex], width);
this.dataGrid.VisualContainer.ScrollColumns.ResetLineResize();
var args = new ResizingColumnsEventArgs(this.dataGrid)
{
ColumnIndex = dragLine.LineIndex, Width = width
};
if (columnIndex >= 0 && !dataGrid.RaiseResizingColumnsEvent(args))
{
this.dataGrid.Columns[columnIndex].IsHidden = (args.Width == 0 || args.Width == 1);
if ((args.Width == 0) || (args.Width == 1))
{
this.dataGrid.Columns[columnIndex].Width = Math.Round(args.Width);
//Reset the extendedwidth when column is in Hidden because of Resizing.
this.dataGrid.Columns[columnIndex].ExtendedWidth = double.NaN;
}
else
{
if (args.Width != this.dataGrid.Columns[columnIndex].ActualWidth && this.dataGrid.Columns[columnIndex].ExtendedWidth > 0)
{
var actualWidth = this.dataGrid.Columns[columnIndex].ActualWidth;
var extendedWidth = this.dataGrid.Columns[columnIndex].ExtendedWidth;
var differenceInExtendedWidth = ((args.Width - actualWidth) < extendedWidth) ? (args.Width - actualWidth) : 0;
this.dataGrid.Columns[columnIndex].ExtendedWidth = (differenceInExtendedWidth > 0) ? (extendedWidth - differenceInExtendedWidth) : double.NaN;
}
if ((this.dataGrid.ResolveToGridVisibleColumnIndex(this.dataGrid.VisualContainer.ScrollColumns.GetVisibleLines().Count) == 1) && this.dataGrid.Columns[columnIndex].Width == args.Width)
{
args.Width += 1;
}
this.dataGrid.Columns[columnIndex].Width = Math.Round(args.Width) == 0 ? 20 : Math.Round(args.Width);
}
}
if ((args.Width == 0 || columnIndex >= 0 && dataGrid.Columns[columnIndex].IsHidden) && dataGrid.AllowResizingHiddenColumns && dataGrid.VisualContainer.ColumnCount == this.dataGrid.ResolveToGridVisibleColumnIndex(dragLine.LineIndex + 1))
{
var headerRow = dataGrid.RowGenerator.Items.FirstOrDefault(row => row.RowIndex == dataGrid.GetHeaderIndex());
var columnBase = headerRow.VisibleColumns.FirstOrDefault(column => column.ColumnIndex == dragLine.LineIndex + 1);
var prevHiddenIndex = columnIndex - 1;
while (prevHiddenIndex > 0 && dataGrid.Columns[prevHiddenIndex].IsHidden)
{
prevHiddenIndex--;
}
if (columnBase != null)
{
var prevColumnHeader = (columnBase.ColumnElement as GridHeaderCellControl);
if (prevHiddenIndex != columnIndex)
{
columnBase = headerRow.VisibleColumns.FirstOrDefault(column => column.ColumnIndex == prevHiddenIndex);
prevColumnHeader = columnBase.ColumnElement as GridHeaderCellControl;
}
dataGrid.VisualContainer.ColumnWidths.SetHidden(dragLine.LineIndex, dragLine.LineIndex, true);
dataGrid.Columns[dataGrid.ResolveToGridVisibleColumnIndex(dragLine.LineIndex)].IsHidden = true;
dataGrid.Columns[dataGrid.ResolveToGridVisibleColumnIndex(dragLine.LineIndex)].Width = 0.0;
}
}
if (dataGrid.SelectionController.CurrentCellManager.HasCurrentCell && dataGrid.SelectionController.CurrentCellManager.CurrentRowColumnIndex.ColumnIndex == dragLine.LineIndex)
{
#if !WPF
dataGrid.Focus(FocusState.Programmatic);
#endif
}
dragLine = null;
#if !WPF
headerCell.ReleasePointerCaptures();
if (Window.Current.CoreWindow.PointerCursor.Type != CoreCursorType.Arrow)
{
Window.Current.CoreWindow.PointerCursor = new CoreCursor(CoreCursorType.Arrow, 1);
}
#else
headerCell.isMouseLeftButtonPressed = false;
headerCell.ReleaseMouseCapture();
if (headerCell.Cursor != Cursors.Arrow)
{
SetPointerCursor(Cursors.Arrow, headerCell);
}
//WRT-4573 - While clicking on HeaderCell border on Resizing, the sorting operation is done in WinRT. Hence
//the flag is skipped to set false which will be set on mouse move.
this.isHovering = false;
#endif
}