/// <summary>
/// General notification for DependencyProperty changes from the grid or from columns.
/// </summary>
internal void NotifyPropertyChanged(DependencyObject d, string propertyName, DependencyPropertyChangedEventArgs e, NotificationTarget 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;
}
}
// 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);
}
}
}
}