public static void SetFocusToGrid(DataGrid targetGrid, int index = -1)
{
// no items
if (targetGrid.Items.Count < 1)
{
return;
}
// keep current row selected
if (index == -1 && targetGrid.SelectedIndex > -1)
{
index = targetGrid.SelectedIndex;
}
// if no item selected, pick first
if (index == -1)
{
index = 0;
}
targetGrid.SelectedIndex = index;
// set full focus
DataGridRow row = (DataGridRow)targetGrid.ItemContainerGenerator.ContainerFromIndex(index);
if (row == null)
{
targetGrid.UpdateLayout();
// scroll to view if outside
targetGrid.ScrollIntoView(targetGrid.Items[index]);
row = (DataGridRow)targetGrid.ItemContainerGenerator.ContainerFromIndex(index);
}
// NOTE does this causes move below?
row.MoveFocus(new TraversalRequest(FocusNavigationDirection.Up));
row.Focus();
Keyboard.Focus(row);
}
private void SelectRowDetails(object sender, MouseButtonEventArgs e)
{
var ogSource = e.OriginalSource;
var source = e.Source;
DataGridRow parentRow = FindVisualParent <DataGridRow>(sender as DataGridDetailsPresenter);
DataGridRow childRow = FindVisualParent <DataGridRow>(ogSource as UIElement);
Button button = FindVisualParent <Button>(ogSource as UIElement);
DataGrid childGrid = FindVisualParent <DataGrid>(childRow);
if (parentRow == null ||
(childRow != null && childRow.IsSelected == true && childGrid.SelectedItems.Count == 1) ||
(childRow == null && button == null))
{
return;
}
parentRow.Focusable = true;
parentRow.Focus();
var focusDirection = FocusNavigationDirection.Next;
var request = new TraversalRequest(focusDirection);
var elementWithFocus = Keyboard.FocusedElement as UIElement;
if (elementWithFocus != null)
{
elementWithFocus.MoveFocus(request);
}
}
private void btnAddNZYDKData_Click(object sender, RoutedEventArgs e)
{
Button button = sender as Button;
int index;
if (int.TryParse(button.Tag.ToString(), out index))
{
DataGridRow row = (DataGridRow)dkGrid.ItemContainerGenerator.ContainerFromIndex(index);
row.Focus();
}
}
private void dgmenu1_Cilck(object sender, MouseButtonEventArgs e)
{
Point p = e.GetPosition(this.datagrid_cpk);
HitTestResult htr = VisualTreeHelper.HitTest(this.datagrid_cpk, p);
TextBlock o = htr.VisualHit as TextBlock;
if (o != null)
{
DataGridRow dgr = VisualTreeHelper.GetParent(o) as DataGridRow;
dgr.Focus();
dgr.IsSelected = true;
}
}
public void btnDodajWiersz_Click(object sender, RoutedEventArgs e)
{
dodaj = true;
lblStronaZusZla.Content = "";
gridKodZusZla.CanUserAddRows = true;
DataGridRow row = gridKodZusZla.ItemContainerGenerator.ContainerFromIndex(wiersz) as DataGridRow;
ZusZlaFormatView(Convert.ToInt32(ZusZlaView.Add));
for (int i = 0; i < gridKodZusZla.Items.Count; i++)
{
row = gridKodZusZla.ItemContainerGenerator.ContainerFromIndex(i) as DataGridRow;
//Hide all lines except the newly added
if (row != null)
{
row.Focus();
row.Visibility = Visibility.Collapsed;
}
}
}
private void HighlightRows()
{
for (int i = 0; i < dgBooks.Items.Count; i++)
{
dgBooks.UpdateLayout();
dgBooks.ScrollIntoView(dgBooks.Items[i]);
DataRowView rowview = dgBooks.Items[i] as DataRowView;
DataGridRow row = (DataGridRow)dgBooks.ItemContainerGenerator.ContainerFromIndex(i);
var val = rowview.Row.Field <string>("InStock");
if (val != null && val.Equals("False"))
{
object item = dgBooks.Items[i];
dgBooks.SelectedItem = item;
dgBooks.ScrollIntoView(item);
row.Focusable = true;
row.IsSelected = true;
row.Focus();
}
}
}
private void SelectedHandler(object sender, System.Windows.RoutedEventArgs e)
{
DataGridRow dataGridRow = sender as DataGridRow;
dataGridRow?.Focus();
}
private void PreviewMouseLeftButtonDown_OnHandler(object sender, MouseButtonEventArgs e)
{
DataGridRow dataGridRow = sender as DataGridRow;
dataGridRow?.Focus();
}