private void PhoneBook_PreviewMouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
if (sender is Microsoft.Windows.Controls.DataGridCell)
{
Microsoft.Windows.Controls.DataGridCell tempcell = sender as Microsoft.Windows.Controls.DataGridCell;
Microsoft.Windows.Controls.DataGridRow row = null;
var parent = VisualTreeHelper.GetParent(tempcell);
while (parent != null && parent.GetType() != typeof(Microsoft.Windows.Controls.DataGridRow))
{
parent = VisualTreeHelper.GetParent(parent);
if (parent is Microsoft.Windows.Controls.DataGridRow)
{
row = parent as Microsoft.Windows.Controls.DataGridRow;
break;
}
}
if (row != null)
{
Pointel.Interactions.Chat.Helpers.Contacts selectedContact = (Pointel.Interactions.Chat.Helpers.Contacts)row.Item;
dgvContact.SelectedItem = (Pointel.Interactions.Chat.Helpers.Contacts)row.Item;
_phoneBookText = selectedContact.Number;
_phoneBookMenu.PlacementTarget = row;
_phoneBookMenu.IsOpen = true;
}
}
}
static Microsoft.Windows.Controls.DataGridCell TryToFindGridCell(Microsoft.Windows.Controls.DataGrid grid, Microsoft.Windows.Controls.DataGridCellInfo cellInfo)
{
Microsoft.Windows.Controls.DataGridCell result = null;
Microsoft.Windows.Controls.DataGridRow row = null;
try
{
grid.ScrollIntoView(cellInfo.Item);
grid.UpdateLayout();
row = (Microsoft.Windows.Controls.DataGridRow)grid.ItemContainerGenerator.ContainerFromItem(cellInfo.Item);
if (row != null)
{
int columnIndex = grid.Columns.IndexOf(cellInfo.Column);
if (columnIndex > -1)
{
Microsoft.Windows.Controls.Primitives.DataGridCellsPresenter presenter = GetVisualChild <Microsoft.Windows.Controls.Primitives.DataGridCellsPresenter>(row);
result = presenter.ItemContainerGenerator.ContainerFromIndex(columnIndex) as Microsoft.Windows.Controls.DataGridCell;
}
}
}
catch (Exception generalException)
{
string error = generalException.Message;
result = null;
}
return(result);
}
public static Microsoft.Windows.Controls.DataGridCell GetCell(Microsoft.Windows.Controls.DataGrid dataGrid, Microsoft.Windows.Controls.DataGridRow rowContainer, int column)
{
if (rowContainer != null)
{
DataGridCellsPresenter presenter = FindVisualChild <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 <DataGridCellsPresenter>(rowContainer);
}
if (presenter != null)
{
Microsoft.Windows.Controls.DataGridCell cell = presenter.ItemContainerGenerator.ContainerFromIndex(column) as Microsoft.Windows.Controls.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 Microsoft.Windows.Controls.DataGridCell;
}
return(cell);
}
}
return(null);
}
private void DataGridCell_PreviewTextInput(object sender, TextCompositionEventArgs e)
{
DataGridCell cell = sender as DataGridCell;
if (cell != null)
{
GridColumnFastEdit(cell, e);
}
else
{
Microsoft.Windows.Controls.DataGridCell toolkitcell = sender as Microsoft.Windows.Controls.DataGridCell;
ToolkitGridColumnFastEdit(toolkitcell, e);
}
}
private void DataGridCell_GotKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
{
DataGridCell cell = sender as DataGridCell;
if (cell != null)
{
GridColumnFastEditOnFocus(cell, e);
}
else
{
Microsoft.Windows.Controls.DataGridCell toolkitcell = sender as Microsoft.Windows.Controls.DataGridCell;
ToolkitGridColumnFastEditOnFocus(toolkitcell, e);
}
}
private void DataGridCell_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
DataGridCell cell = sender as DataGridCell;
if (cell != null)
{
GridColumnFastEdit(cell, e);
}
else
{
Microsoft.Windows.Controls.DataGridCell toolkitcell = sender as Microsoft.Windows.Controls.DataGridCell;
ToolkitGridColumnFastEdit(toolkitcell, e);
}
}
protected override object PrepareCellForEdit(FrameworkElement editingElement, RoutedEventArgs editingEventArgs)
{
if (editingEventArgs == null)
{
return(null);
}
Microsoft.Windows.Controls.DataGridCell cell = editingEventArgs.Source as Microsoft.Windows.Controls.DataGridCell;
if (cell != null)
{
// Changed to support EF POCOs
PropertyInfo info = editingElement.DataContext.GetType().GetProperty(CustComboBoxSelectedValue, BindingFlags.Public | BindingFlags.Instance);
object obj = info.GetValue(editingElement.DataContext, null);
comboBox.SelectedValue = obj;
}
return(comboBox.SelectedItem);
}
/// <summary>
/// Creates the visual tree for text based cells.
/// </summary>
protected override FrameworkElement GenerateEditingElement(Microsoft.Windows.Controls.DataGridCell cell, object dataItem)
{
if (comboBox.Columns.Count == 0)
{
//Add columns to DataGrid columns
for (int i = 0; i < columns.Count; i++)
{
comboBox.Columns.Add(columns[i]);
}
}
//var comboBox = (ComboBox)base.GenerateEditingElement(cell, dataItem);
//comboBox.SelectionChanged += ComboBox_SelectionChanged;
comboBox.IsDropDownOpen = true;
return(comboBox);
}
private void ToolkitDataGrid_PreviewKeyDown(object sender, KeyEventArgs e)
{
Microsoft.Windows.Controls.DataGrid dataGrid = sender as Microsoft.Windows.Controls.DataGrid;
if (dataGrid == null)
{
return;
}
if (e.Key == Key.Enter || e.Key == Key.Tab || e.Key == Key.Down || e.Key == Key.Up || e.Key == Key.Right || e.Key == Key.Left)
{
if (dataGrid.ItemsSource != null && dataGrid.SelectedIndex == dataGrid.Items.Count - 2)
{
var border = VisualTreeHelper.GetChild(dataGrid, 0) as Decorator;
if (border != null)
{
var scroll = border.Child as ScrollViewer;
if (scroll != null)
{
scroll.ScrollToEnd();
}
}
}
}
if (e.Key == Key.Enter || e.Key == Key.Tab)
{
TraversalRequest request = new TraversalRequest(FocusNavigationDirection.Next);
request.Wrapped = true;
Microsoft.Windows.Controls.DataGridRow rowContainer = (Microsoft.Windows.Controls.DataGridRow)dataGrid.ItemContainerGenerator.ContainerFromItem(dataGrid.CurrentItem);
if (rowContainer != null)
{
int columnIndex = dataGrid.Columns.IndexOf(dataGrid.CurrentColumn);
Microsoft.Windows.Controls.Primitives.DataGridCellsPresenter presenter = GetVisualChild <Microsoft.Windows.Controls.Primitives.DataGridCellsPresenter>(rowContainer);
dataGrid.CommitEdit();
Microsoft.Windows.Controls.DataGridCell cell = (Microsoft.Windows.Controls.DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(columnIndex);
cell.MoveFocus(request);
dataGrid.SelectedItem = dataGrid.CurrentItem;
e.Handled = true;
dataGrid.UpdateLayout();
try
{
dataGrid.BeginEdit(e);
}
catch (System.InvalidOperationException)
{
//Ignore error if it is 'Recursive call to Automation Peer API is not valid.'
}
}
}
else if (e.Key == Key.Down || e.Key == Key.Up || e.Key == Key.Right || e.Key == Key.Left)
{
int columnIndex = dataGrid.Columns.IndexOf(dataGrid.CurrentColumn);
Microsoft.Windows.Controls.DataGridRow rowContainer = (Microsoft.Windows.Controls.DataGridRow)dataGrid.ItemContainerGenerator.ContainerFromItem(dataGrid.CurrentItem);
if (rowContainer != null)
{
Microsoft.Windows.Controls.Primitives.DataGridCellsPresenter presenter = GetVisualChild <Microsoft.Windows.Controls.Primitives.DataGridCellsPresenter>(rowContainer);
Microsoft.Windows.Controls.DataGridCell currentcell = (Microsoft.Windows.Controls.DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(columnIndex);
if (currentcell.Content is ContentPresenter)
{
DatePickerCus datepicker = FindVisualChild <DatePickerCus>(currentcell);
if (datepicker != null && datepicker.IsDropDownOpen)
{
e.Handled = true;
return;
}
ComboBoxWithSearch combo = FindVisualChild <ComboBoxWithSearch>(currentcell);
if (combo != null && combo.IsDropDownOpen)
{
e.Handled = true;
return;
}
}
if (e.Key == Key.Down)
{
dataGrid.CommitEdit();
dataGrid.SelectedIndex++;
rowContainer = (Microsoft.Windows.Controls.DataGridRow)dataGrid.ItemContainerGenerator.ContainerFromItem(dataGrid.SelectedItem);
if (rowContainer != null)
{
presenter = GetVisualChild <Microsoft.Windows.Controls.Primitives.DataGridCellsPresenter>(rowContainer);
Microsoft.Windows.Controls.DataGridCell cell = (Microsoft.Windows.Controls.DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(columnIndex);
cell.Focus();
dataGrid.CurrentItem = dataGrid.SelectedItem;
e.Handled = true;
dataGrid.UpdateLayout();
try
{
dataGrid.BeginEdit(e);
}
catch (System.InvalidOperationException)
{
//Ignore error if it is 'Recursive call to Automation Peer API is not valid.'
}
}
}
else if (e.Key == Key.Up)
{
if (dataGrid.ItemsSource != null && dataGrid.SelectedIndex == 0)
{
return;
}
dataGrid.CommitEdit();
dataGrid.SelectedIndex--;
rowContainer = (Microsoft.Windows.Controls.DataGridRow)dataGrid.ItemContainerGenerator.ContainerFromItem(dataGrid.SelectedItem);
if (rowContainer != null)
{
presenter = GetVisualChild <Microsoft.Windows.Controls.Primitives.DataGridCellsPresenter>(rowContainer);
Microsoft.Windows.Controls.DataGridCell cell = (Microsoft.Windows.Controls.DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(columnIndex);
cell.Focus();
dataGrid.CurrentItem = dataGrid.SelectedItem;
e.Handled = true;
dataGrid.UpdateLayout();
try
{
dataGrid.BeginEdit(e);
}
catch (System.InvalidOperationException)
{
//Ignore error if it is 'Recursive call to Automation Peer API is not valid.'
}
}
}
}
}
}
private static void ToolkitGridColumnFastEditOnFocus(Microsoft.Windows.Controls.DataGridCell cell, KeyboardFocusChangedEventArgs e)
{
if (cell == null || cell.IsEditing || cell.IsReadOnly)
{
return;
}
Microsoft.Windows.Controls.DataGrid dataGrid = FindVisualParent <Microsoft.Windows.Controls.DataGrid>(cell);
if (dataGrid == null)
{
return;
}
dataGrid.UnselectAll();
if (dataGrid.SelectionUnit != Microsoft.Windows.Controls.DataGridSelectionUnit.FullRow)
{
if (!cell.IsSelected)
{
cell.IsSelected = true;
}
}
else
{
Microsoft.Windows.Controls.DataGridRow row = FindVisualParent <Microsoft.Windows.Controls.DataGridRow>(cell);
if (row != null && !row.IsSelected)
{
row.IsSelected = true;
}
}
String statusmsg = "";
if (cell.Content is TextBlock)
{
TextBlock tb = cell.Content as TextBlock;
if (tb != null)
{
statusmsg = tb.Text;
}
}
else if (cell.Content is TextBox)
{
TextBox tb = cell.Content as TextBox;
if (tb != null)
{
statusmsg = tb.Text;
}
}
else if (cell.Content is ComboBox)
{
ComboBox cb = cell.Content as ComboBox;
if (cb != null)
{
statusmsg = cb.Text;
//DataGrid dataGrid = FindVisualParent<DataGrid>(cell);
cell.Dispatcher.Invoke(
DispatcherPriority.Background,
new Action(delegate { }));
cb.IsDropDownOpen = true;
}
}
if (cell.Content is ContentPresenter)
{
TextBlock tb = FindVisualChild <TextBlock>(cell);
if (tb != null)
{
statusmsg = tb.Text;
}
}
StatusMessage.setStatus(statusmsg);
}
