Example #1
0
 private static DataGridCell GetCell(DataGrid dataGrid, DataGridRow rowContainer, int column)
 {
     if (rowContainer != null)
     {
         System.Windows.Controls.Primitives.DataGridCellsPresenter presenter
             = FindVisualChild <System.Windows.Controls.Primitives.DataGridCellsPresenter>(rowContainer);
         if (presenter == null)
         {
             /* if the row has been virtualized away, call its ApplyTemplate() method
              * to build its visual tree in order for the DataGridCellsPresenter
              * and the DataGridCells to be created */
             rowContainer.ApplyTemplate();
             presenter = FindVisualChild <System.Windows.Controls.Primitives.DataGridCellsPresenter>(rowContainer);
         }
         if (presenter != null)
         {
             DataGridCell cell = presenter.ItemContainerGenerator.ContainerFromIndex(column) as DataGridCell;
             if (cell == null)
             {
                 /* bring the column into view
                  * in case it has been virtualized away */
                 dataGrid.ScrollIntoView(rowContainer, dataGrid.Columns[column]);
                 cell = presenter.ItemContainerGenerator.ContainerFromIndex(column) as DataGridCell;
             }
             return(cell);
         }
     }
     return(null);
 }
        public DataGridCell GetCell(int row, int column)
        {
            DataGridRow dgr = (DataGridRow)this.ItemContainerGenerator.ContainerFromIndex(row);

            System.Windows.Controls.Primitives.DataGridCellsPresenter presenter =
                DataGridHelper.GetVisualChild <System.Windows.Controls.Primitives.DataGridCellsPresenter>(dgr);
            return((DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(column));
        }
        /// <summary>
        /// Builds the visual tree for the column header when a new template is applied.
        /// </summary>
        public override void OnApplyTemplate()
        {
            this.RootElement = GetTemplateChild(DATAGRIDROW_elementRoot) as Panel;
            //
            if (this.RootElement != null)
            {
                EnsureBackground();
                ApplyState(false /*animate*/);
            }

            bool updateVerticalScrollBar = false;
            if (this._cellsElement != null)
            {
                // If we're applying a new template, we  want to remove the cells from the previous _cellsElement
                this._cellsElement.Children.Clear();
                updateVerticalScrollBar = true;
            }

            this._cellsElement = GetTemplateChild(DATAGRIDROW_elementCells) as DataGridCellsPresenter;
            if (this._cellsElement != null)
            {
                this._cellsElement.OwningRow = this;
                // Cells that were already added before the Template was applied need to
                // be added to the Canvas
                if (this.Cells.Count > 0)
                {
                    foreach (DataGridCell cell in this.Cells)
                    {
                        this._cellsElement.Children.Add(cell);
                    }
                }
            }

            _detailsElement = GetTemplateChild(DATAGRIDROW_elementDetails) as DataGridDetailsPresenter;
            if (_detailsElement != null && this.OwningGrid != null)
            {
                _detailsElement.OwningRow = this;
                if (this.ActualDetailsVisibility == Visibility.Visible && this.ActualDetailsTemplate != null && this._appliedDetailsTemplate == null)
                {
                    // Apply the DetailsTemplate now that the row template is applied.
                    SetDetailsVisibilityInternal(this.ActualDetailsVisibility, _detailsVisibilityNotificationPending /*raiseNotification*/, false /*animate*/);
                    _detailsVisibilityNotificationPending = false;
                }
            }

            _bottomGridLine = GetTemplateChild(DATAGRIDROW_elementBottomGridLine) as Rectangle;
            EnsureGridLines();

            _headerElement = GetTemplateChild(DATAGRIDROW_elementRowHeader) as DataGridRowHeader;
            if (_headerElement != null)
            {
                _headerElement.Owner = this;
                if (this.Header != null)
                {
                    _headerElement.Content = Header;
                }
                EnsureHeaderStyleAndVisibility(null);
            }

            // The height of this row might have changed after applying a new style, so fix the vertical scroll bar
            if (this.OwningGrid != null && updateVerticalScrollBar)
            {
                this.OwningGrid.UpdateVerticalScrollBar();
            }
        }
Example #4
0
        // Token: 0x06005CA4 RID: 23716 RVA: 0x001A1080 File Offset: 0x0019F280
        private static object OnCoerceIsVirtualizingProperty(DependencyObject d, object baseValue)
        {
            DataGridCellsPresenter dataGridCellsPresenter = d as DataGridCellsPresenter;

            return(DataGridHelper.GetCoercedTransferPropertyValue(dataGridCellsPresenter, baseValue, VirtualizingPanel.IsVirtualizingProperty, dataGridCellsPresenter.DataGridOwner, DataGrid.EnableColumnVirtualizationProperty));
        }
Example #5
0
        // Token: 0x06005C93 RID: 23699 RVA: 0x001A0CAC File Offset: 0x0019EEAC
        private static object OnCoerceMinHeight(DependencyObject d, object baseValue)
        {
            DataGridCellsPresenter dataGridCellsPresenter = d as DataGridCellsPresenter;

            return(DataGridHelper.GetCoercedTransferPropertyValue(dataGridCellsPresenter, baseValue, FrameworkElement.MinHeightProperty, dataGridCellsPresenter.DataGridOwner, DataGrid.MinRowHeightProperty));
        }