/// <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>
/// 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>
/// 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);
}