// Token: 0x060046E1 RID: 18145 RVA: 0x001418B8 File Offset: 0x0013FAB8
internal void PrepareCell(object item, DataGridRow ownerRow, int index)
{
this._owner = ownerRow;
DataGrid dataGridOwner = this._owner.DataGridOwner;
if (dataGridOwner != null)
{
if (index >= 0 && index < dataGridOwner.Columns.Count)
{
DataGridColumn dataGridColumn = dataGridOwner.Columns[index];
this.Column = dataGridColumn;
base.TabIndex = dataGridColumn.DisplayIndex;
}
if (this.IsEditing)
{
this.IsEditing = false;
}
else if (!(base.Content is FrameworkElement))
{
this.BuildVisualTree();
if (!this.NeedsVisualTree)
{
base.Content = item;
}
}
bool isSelected = dataGridOwner.SelectedCellsInternal.Contains(this);
this.SyncIsSelected(isSelected);
}
DataGridHelper.TransferProperty(this, FrameworkElement.StyleProperty);
DataGridHelper.TransferProperty(this, DataGridCell.IsReadOnlyProperty);
base.CoerceValue(UIElement.ClipProperty);
}
/// <summary>
/// Called due to the cell's column definition changing.
/// Not called due to changes within the current column definition.
/// </summary>
/// <remarks>
/// Coerces ContentTemplate and ContentTemplateSelector.
/// </remarks>
/// <param name="oldColumn">The old column definition.</param>
/// <param name="newColumn">The new column definition.</param>
protected virtual void OnColumnChanged(DataGridColumn oldColumn, DataGridColumn newColumn)
{
// We need to call BuildVisualTree after changing the column (PrepareCell does this).
Content = null;
DataGridHelper.TransferProperty(this, StyleProperty);
DataGridHelper.TransferProperty(this, IsReadOnlyProperty);
}
/// <summary>
/// General notification for DependencyProperty changes from the grid or from columns.
/// </summary>
internal void NotifyPropertyChanged(DependencyObject d, string propertyName, DependencyPropertyChangedEventArgs e, DataGridNotificationTarget target)
{
DataGridColumn column = d as DataGridColumn;
if ((column != null) && (column != Column))
{
// This notification does not apply to this cell
return;
}
// All the notifications which are to be handled by the cell
if (DataGridHelper.ShouldNotifyCells(target))
{
if (e.Property == DataGridColumn.WidthProperty)
{
DataGridHelper.OnColumnWidthChanged(this, e);
}
else if (e.Property == DataGrid.CellStyleProperty || e.Property == DataGridColumn.CellStyleProperty || e.Property == StyleProperty)
{
DataGridHelper.TransferProperty(this, StyleProperty);
}
else if (e.Property == DataGrid.IsReadOnlyProperty || e.Property == DataGridColumn.IsReadOnlyProperty || e.Property == IsReadOnlyProperty)
{
DataGridHelper.TransferProperty(this, IsReadOnlyProperty);
}
else if (e.Property == DataGridColumn.DisplayIndexProperty)
{
TabIndex = column.DisplayIndex;
}
else if (e.Property == DataGrid.IsKeyboardFocusWithinProperty)
{
UpdateVisualState();
}
}
// All the notifications which needs forward to columns
if (DataGridHelper.ShouldRefreshCellContent(target))
{
if (column != null && NeedsVisualTree)
{
if (!string.IsNullOrEmpty(propertyName))
{
column.RefreshCellContent(this, propertyName);
}
else if (e != null && e.Property != null)
{
column.RefreshCellContent(this, e.Property.Name);
}
}
}
}
/// <summary>
/// Prepares a cell for use.
/// </summary>
/// <remarks>
/// Updates the column reference.
/// </remarks>
internal void PrepareCell(object item, DataGridRow ownerRow, int index)
{
Debug.Assert(_owner == null || _owner == ownerRow, "_owner should be null before PrepareCell is called or the same value as the ownerRow.");
_owner = ownerRow;
DataGrid dataGrid = _owner.DataGridOwner;
if (dataGrid != null)
{
// The index of the container should correspond to the index of the column
if ((index >= 0) && (index < dataGrid.Columns.Count))
{
// Retrieve the column definition and pass it to the cell container
DataGridColumn column = dataGrid.Columns[index];
Column = column;
TabIndex = column.DisplayIndex;
}
if (IsEditing)
{
// If IsEditing was left on and this container was recycled, reset it here.
// Setting this property will result in BuildVisualTree being called.
IsEditing = false;
}
else if ((Content as FrameworkElement) == null)
{
// If there isn't already a visual tree, then create one.
BuildVisualTree();
if (!NeedsVisualTree)
{
Content = item;
}
}
// Update cell Selection
bool isSelected = dataGrid.SelectedCellsInternal.Contains(this);
SyncIsSelected(isSelected);
}
DataGridHelper.TransferProperty(this, StyleProperty);
DataGridHelper.TransferProperty(this, IsReadOnlyProperty);
CoerceValue(ClipProperty);
}
// Token: 0x060046EA RID: 18154 RVA: 0x00141A5C File Offset: 0x0013FC5C
internal void NotifyPropertyChanged(DependencyObject d, string propertyName, DependencyPropertyChangedEventArgs e, DataGridNotificationTarget target)
{
DataGridColumn dataGridColumn = d as DataGridColumn;
if (dataGridColumn != null && dataGridColumn != this.Column)
{
return;
}
if (DataGridHelper.ShouldNotifyCells(target))
{
if (e.Property == DataGridColumn.WidthProperty)
{
DataGridHelper.OnColumnWidthChanged(this, e);
}
else if (e.Property == DataGrid.CellStyleProperty || e.Property == DataGridColumn.CellStyleProperty || e.Property == FrameworkElement.StyleProperty)
{
DataGridHelper.TransferProperty(this, FrameworkElement.StyleProperty);
}
else if (e.Property == DataGrid.IsReadOnlyProperty || e.Property == DataGridColumn.IsReadOnlyProperty || e.Property == DataGridCell.IsReadOnlyProperty)
{
DataGridHelper.TransferProperty(this, DataGridCell.IsReadOnlyProperty);
}
else if (e.Property == DataGridColumn.DisplayIndexProperty)
{
base.TabIndex = dataGridColumn.DisplayIndex;
}
else if (e.Property == UIElement.IsKeyboardFocusWithinProperty)
{
base.UpdateVisualState();
}
}
if (DataGridHelper.ShouldRefreshCellContent(target) && dataGridColumn != null && this.NeedsVisualTree)
{
if (!string.IsNullOrEmpty(propertyName))
{
dataGridColumn.RefreshCellContent(this, propertyName);
return;
}
if (e.Property != null)
{
dataGridColumn.RefreshCellContent(this, e.Property.Name);
}
}
}
/// <summary>Called when the cell's <see cref="P:System.Windows.Controls.DataGridCell.Column" /> property changes. </summary>
/// <param name="oldColumn">The old column definition.</param>
/// <param name="newColumn">The new column definition.</param>
// Token: 0x060046E7 RID: 18151 RVA: 0x001419DD File Offset: 0x0013FBDD
protected virtual void OnColumnChanged(DataGridColumn oldColumn, DataGridColumn newColumn)
{
base.Content = null;
DataGridHelper.TransferProperty(this, FrameworkElement.StyleProperty);
DataGridHelper.TransferProperty(this, DataGridCell.IsReadOnlyProperty);
}