/// <summary>
/// Changes item's name.
/// </summary>
/// <param name="e">Event arguments.</param>
private void _ChangeName(DataGridItemEventArgs e)
{
// Get custom order property from event's data.
CustomOrderProperty orderProperty = e.Item as CustomOrderProperty;
Debug.Assert(orderProperty != null);
// Check that item's name is null.
if (!string.IsNullOrEmpty(orderProperty.Name))
{
return;
}
// Get new item's name.
orderProperty.Name =
DataObjectNamesConstructor.GetNewNameForCustomOrderProperty(_customOrderProperties, true);
// Get current cell.
Cell currentCell =
_insertionRow.Cells[_customOrderPropertiesXceedGrid.CurrentContext.CurrentColumn];
// Find TextBox inside the cell.
TextBox textBox = XceedVisualTreeHelper.FindTextBoxInsideElement(currentCell);
// Select contents of found text box.
if (textBox != null)
{
textBox.SelectAll();
}
}
/// <summary>
/// Changed selection in RadioButtons and reloads project
/// </summary>
/// <param name="e"></param>
private void _ChangeSelectedProject(RoutedEventArgs e)
{
if (XceedGrid.SelectedIndex != -1)
{
Row row = XceedVisualTreeHelper.GetRowByEventArgs(e);
Debug.Assert(row != null);
// NOTE : when user clicks so fast on radio buttons sometimes row's content can't be updated in time.
// In that case we should do nothing
if (row.Cells[NAME_COLUMN_CAPTION].Content == null)
{
return;
}
string checkedProjectName = row.Cells[NAME_COLUMN_CAPTION].Content.ToString();
_LoadProject(checkedProjectName);
try
{
XceedGrid.EndEdit();
}
catch
{
XceedGrid.CancelEdit();
}
}
}
/// <summary>
/// React on left button down. Check click on buttons or start drag otherwise.
/// </summary>
/// <param name="sender">Ignored.</param>
/// <param name="e">Event args.</param>
private void _PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
// Check close button pressed.
if (_IsElementPressed(CloseButton, e))
{
// Hide hint.
Visibility = Visibility.Collapsed;
}
// Check tool button pressed.
else if (_IsElementPressed(PushpinToolButton, e))
{
// Change tool state.
_AddressByPointToolPressed();
}
// Check link click.
else if (_IsElementPressed(ZoomedAddress, e))
{
// Zoom to candidates.
MapExtentHelpers.ZoomToCandidates(_mapControl, _candidatesToZoom);
}
else
{
// Start drag if mouse was clicked on canvas.
GeocodingHint geocodingHint = XceedVisualTreeHelper.FindParent <GeocodingHint>((DependencyObject)e.Source);
if (geocodingHint != null || e.Source == this)
{
_isDown = true;
_startPoint = e.GetPosition(_canvas);
_canvas.CaptureMouse();
e.Handled = true;
}
}
}
/// <summary>
/// When mouse move in invalid cell - show corresponding popup.
/// </summary>
/// <param name="sender">Ignored.</param>
/// <param name="e">Ignored.</param>
private void _dataGridMouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
// Find cell on which mouse moved.
Cell cell = XceedVisualTreeHelper.GetCellByEventArgs(e);
// If cell has error, grid isnt in editing state and timer is running - show callout.
if (cell != null && cell.HasValidationError && !_timer.IsEnabled &&
!_dataGrid.IsBeingEdited &&
!(_dataGrid.InsertionRow != null && _dataGrid.InsertionRow.IsBeingEdited))
{
_showCallout = true;
// Detect current column and item. Show callout.
IDataErrorInfo currentItem =
_dataGrid.GetItemFromContainer(cell) as IDataErrorInfo;
var columns = _dataGrid.GetVisibleColumns();
_column = columns.FirstOrDefault(x => x.FieldName == cell.FieldName);
_InvalidItem = currentItem;
_SetPopupPosition();
_showCallout = false;
// When mouse leave current cell - callout must be hided.
cell.MouseLeave += new System.Windows.Input.MouseEventHandler(_MouseLeaveCellWithInvalidProperty);
}
}
private void DatePickerEx_PreviewKeyDown(object sender, System.Windows.Input.KeyEventArgs e)
{
if (e.Key != System.Windows.Input.Key.Tab && e.Key != System.Windows.Input.Key.Enter)
{
return;
}
// get current value of control's text (need to save changes)
DateTime?editedDate = _StringToDateTime(this.Text);
if (editedDate != null)
{
this.SelectedDate = editedDate;
}
if (e.Key == System.Windows.Input.Key.Enter)
{
DataGridControl parentControl = XceedVisualTreeHelper.GetGridByEditor(this);
if (parentControl != null) // if parent grid is found - call "EndEdit" method. It commits new item or saves changes.
{
try
{
parentControl.EndEdit();
}
catch
{
// NOTE : if current object is invalid and cannot be commited only stay focus in control
parentControl.Focus();
}
}
}
}
private void _PopupPanel_Closed(object sender, EventArgs e)
{
UIElement cell = XceedVisualTreeHelper.GetCellByEditor(this);
if (cell != null)
{
Keyboard.Focus(cell);
}
}
/// <summary>
/// Find ScrollViewer from cell and subscribe to it scroll changed event.
/// </summary>
/// <param name="cell">Cell.</param>
private void _SubscribeOnScroller(Cell cell)
{
_scrollViewer = XceedVisualTreeHelper.FindScrollViewer(cell);
if (_scrollViewer != null)
{
_scrollViewer.ScrollChanged += new System.Windows.Controls.
ScrollChangedEventHandler(_ScrollViewerScrollChanged);
}
}
private void _PopupPanelClosed(object sender, EventArgs e)
{
// NOTE : set focus to parent cell for support arrow keys navigation
UIElement cell = XceedVisualTreeHelper.GetCellByEditor(this);
if (cell != null)
{
Keyboard.Focus(cell);
}
}
/// <summary>
/// Registers that drag and drop can potentially start.
/// </summary>
/// <param name="sender">Data grid.</param>
/// <param name="e">Event args.</param>
private void _DataGridControlPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
// Check that user clicked on a row.
Row row = XceedVisualTreeHelper.GetRowByEventArgs(e);
if (row != null && row is DataRow && !(row is InsertionRow)) // Don't start drag of insertion row.
{
// We must start dragging on mouse move.
_mustStartDraggingOnMouseMove = true;
}
}
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Sets focus to relative cell.
/// </summary>
/// <param name="sender">Ignored.</param>
/// <param name="e">Ignored.</param>
private void _ComboBox_DropDownClosed(object sender, EventArgs e)
{
UIElement cell = XceedVisualTreeHelper.GetCellByEditor(this);
if (cell != null)
{
Keyboard.Focus(cell);
}
if (DropDownClosed != null)
{
DropDownClosed(this, null);
}
}
/// <summary>
/// Changes cursor during user drags over DataGridControl.
/// </summary>
/// <param name="sender">DataGridControl.</param>
/// <param name="e">Event args.</param>
private void _DragOverGrid(object sender, DragEventArgs e)
{
Row draggedOverRow = XceedVisualTreeHelper.GetRowByEventArgs(e);
if (draggedOverRow is InsertionRow || draggedOverRow is ColumnManagerRow ||
(!(e.OriginalSource is TableViewScrollViewer) && draggedOverRow == null))
{
e.Effects = DragDropEffects.None;
e.Handled = true;
}
else
{
e.Effects = DragDropEffects.Move;
}
}
/// <summary>
/// Drops orders to grid.
/// </summary>
/// <param name="sender">DataGridControl.</param>
/// <param name="e">Event args.</param>
private void _OrdersGridDrop(object sender, DragEventArgs e)
{
// Get row where object was dropped.
Row parentRow = XceedVisualTreeHelper.GetRowByEventArgs(e);
object targetData = OrdersGrid;
if (parentRow != null)
{
targetData = _GetTargetData(parentRow); // Get data from dropped object.
}
// Do necessary actions (move or reassign routes etc.).
DragAndDropHelper dragAndDropHelper = new DragAndDropHelper();
dragAndDropHelper.Drop(targetData, e.Data);
}
/// <summary>
/// React on mouse up. Try to geocode order.
/// </summary>
/// <param name="sender">Ignored.</param>
/// <param name="e">Ignored.</param>
private void _DataGridControlPreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
// Do not start geocoding in case of shift or control used or selected more than one order.
if (_schedulePage.SelectedItems.Count == 1 && (Keyboard.Modifiers & ModifierKeys.Shift) == 0 &&
(Keyboard.Modifiers & ModifierKeys.Control) == 0)
{
Order order = _schedulePage.SelectedItems[0] as Order;
Row row = XceedVisualTreeHelper.GetRowByEventArgs(e);
if (order != null && !order.IsGeocoded && !_schedulePage.GeocodablePage.IsGeocodingInProcess &&
!_schedulePage.IsEditingInProgress && row != null)
{
// Geocode order.
_schedulePage.GeocodablePage.StartGeocoding(order);
}
}
}
/// <summary>
/// Finds TableViewScrollViewer in visual tree and adds handler to it's "ScrollChanged" event.
/// Also adds handler to "Unloaded" event of cell editor to remove handlers when it will be unloaded.
/// </summary>
private void _SubscribeEvents()
{
Debug.Assert(_cellEditor != null);
Debug.Assert(_popup != null);
TableViewScrollViewer scrollViewer = XceedVisualTreeHelper.FindScrollViewer(_cellEditor);
if (scrollViewer != null)
{
_scrollViewer = scrollViewer;
_scrollViewer.ScrollChanged += new ScrollChangedEventHandler(_ScrollViewerScrollChanged);
}
else
{
// Do nothing, because scroll viewer wasn't found.
}
}
/// <summary>
/// Do convertion. Set background to textbox if empty value.
/// </summary>
/// <param name="value"></param>
/// <param name="targetType">Ignored.</param>
/// <param name="parameter">Ignored.</param>
/// <param name="culture">Ignored.</param>
/// <returns>Null, if background was set. Cell value otherwise.</returns>
public object Convert(object[] value, Type targetType, object parameter, CultureInfo culture)
{
TextBlock textBlock = value[1] as TextBlock;
if (textBlock == null)
{
return(null);
}
// Get datagridcontrol cell.
DataCell cell = XceedVisualTreeHelper.FindParent <DataCell>(textBlock);
if (cell == null)
{
return(null);
}
// Get location.
Location location = cell.DataContext as Location;
// Get background brush.
Brush backgroundBrush = _GetBackgroundBrushForCell(cell);
// Brush need to be set only if address fields is empty.
if (GeocodeHelpers.IsActiveAddressFieldsEmpty(location))
{
// Workaround for .NET 4.0: Do not not change value if not needed.
if (textBlock.Background != backgroundBrush)
{
textBlock.Background = backgroundBrush;
}
}
else if (textBlock.Background != null)
{
textBlock.Background = null;
}
else
{
// Do nothing.
}
return(value[0]);
}
/// <summary>
/// If it is polyline barrier then hide combobox and show textblock.
/// </summary>
private void _InitVisibility()
{
// Get Barrier.Geometry type.
Cell cell = XceedVisualTreeHelper.GetCellByEditor(this);
Row row = XceedVisualTreeHelper.FindParent <Row>(cell);
Barrier barrier = row.DataContext as Barrier;
// If barrier is polyline or have no geometry hide edit control.
if (barrier.Geometry == null || barrier.Geometry is ESRI.ArcLogistics.Geometry.Polyline)
{
_border.Visibility = System.Windows.Visibility.Hidden;
_popupPanel.Child = null;
_textBlock.Visibility = System.Windows.Visibility.Visible;
if (barrier.Geometry is ESRI.ArcLogistics.Geometry.Polyline)
{
_textBlock.Text = (string)App.Current.FindResource("BlockTravelString");
}
}
}
/// <summary>
/// Change the name of the project.
/// </summary>
/// <param name="e">DataGridItemEventArgs.</param>
private void _ChangeNewProjectName(DataGridItemEventArgs e)
{
// Check that item's name is null.
if (!string.IsNullOrEmpty((e.Item as ProjectDataWrapper).Name))
{
return;
}
// Get new project name.
(e.Item as ProjectDataWrapper).Name = DataObjectNamesConstructor.GetNewNameForProject();
// Find TextBox inside the cell and select new name.
Cell currentCell = _InsertionRow.Cells[XceedGrid.CurrentContext.CurrentColumn];
TextBox textBox = XceedVisualTreeHelper.FindTextBoxInsideElement(currentCell);
if (textBox != null)
{
textBox.SelectAll();
}
}
/// <summary>
/// React on click.
/// </summary>
/// <param name="sender">Ignored.</param>
/// <param name="e">Ignored.</param>
private void _PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
// Get order which will be selected later by parent row.
Row row = XceedVisualTreeHelper.GetRowByEventArgs(e);
if (row != null)
{
Order order = row.DataContext as Order;
if (order != null && order.PlannedDate.HasValue)
{
List <Order> orderList = new List <Order>();
orderList.Add(order);
_optimizeAndEditPage.Select(orderList); // exception
}
// We must start dragging on mouse move.
_mustStartDraggingOnMouseMove = true;
}
}
/// <summary>
/// Change item's name.
/// </summary>
/// <param name="e">DataGridItemEventArgs.</param>
private void _ChangeName(Xceed.Wpf.DataGrid.DataGridItemEventArgs e)
{
// Check that item's name is null.
if (!string.IsNullOrEmpty((e.Item as Route).Name))
{
return;
}
// Get new item's name.
(e.Item as Route).Name = DataObjectNamesConstructor.GetNameForNewDataObject(
App.Current.Project.DefaultRoutes, e.Item as Route, true);
// Find TextBox inside the cell and select new name.
Cell currentCell = _InsertionRow.Cells[XceedGrid.CurrentContext.CurrentColumn];
TextBox textBox = XceedVisualTreeHelper.FindTextBoxInsideElement(currentCell);
if (textBox != null)
{
textBox.SelectAll();
}
}
/// <summary>
/// Change item's name.
/// </summary>
/// <param name="e">DataGridItemEventArgs.</param>
private void _ChangeName(Xceed.Wpf.DataGrid.DataGridItemEventArgs e)
{
// Check that item's name is null.
if (!string.IsNullOrEmpty((e.Item as Order).Name))
{
return;
}
(e.Item as Order).Name = DataObjectNamesConstructor.GetNameForNewDataObject(
(IDataObjectCollection <Order>)_collectionSource.Source, e.Item as Order, false);
Cell currentCell = _ordersInsertionRow.Cells[OrdersGrid.CurrentContext.CurrentColumn];
// Find TextBox inside the cell and select new name.
TextBox textBox = XceedVisualTreeHelper.FindTextBoxInsideElement(currentCell);
if (textBox != null)
{
textBox.SelectAll();
}
}
/// <summary>
/// React on dependency property changing.
/// </summary>
private void _OnValueChanged()
{
if (_barrier != null)
{
_barrier.PropertyChanged -= new PropertyChangedEventHandler(_BarrierPropertyChanged);
}
Cell cell = XceedVisualTreeHelper.GetCellByEditor(this);
Row row = XceedVisualTreeHelper.FindParent <Row>(cell);
_barrier = row.DataContext as Barrier;
if (_barrierEditor != null)
{
_barrierEditor.Barrier = _barrier;
}
if (_barrier != null)
{
_barrier.PropertyChanged += new PropertyChangedEventHandler(_BarrierPropertyChanged);
}
}
/// <summary>
/// Gets current background brush for cell.
/// </summary>
/// <param name="cell">Cell.</param>
/// <returns>Current background brush.</returns>
private Brush _GetBackgroundBrushForCell(DataCell cell)
{
Debug.Assert(cell != null);
// Get layoutroot to get access to background brushes.
Grid layoutRootGrid = _GetLayoutRootGrid(cell);
// Get datagridcontrol to check is location first in collection.
DataGridControl dataGridControl =
XceedVisualTreeHelper.FindParent <DataGridControl>(cell);
int indexOfItem = -1;
try
{
// Workaround: Sometimes grid throws exception.
indexOfItem = dataGridControl.Items.IndexOf(cell.DataContext);
}
catch { }
Brush backgroundBrush;
if (indexOfItem == 0)
{
// Use "Add location" string for first item.
backgroundBrush =
(Brush)layoutRootGrid.Resources[AddLocationBrushResourceName];
}
else
{
// Use "Add another location" string for other items.
backgroundBrush =
(Brush)layoutRootGrid.Resources[AddAnotherLocationBrushResourceName];
}
return(backgroundBrush);
}
