/// <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>
/// Show hint "Could not located, but zoomed..."
/// </summary>
/// <param name="geocodableItem">Geocodable object.</param>
/// <param name="candidatesToZoom">Address to which map was zoomed. Null if not zoomed.</param>
public void ShowZoomToCandidatePopup(IGeocodable geocodableItem, AddressCandidate[] candidatesToZoom)
{
if (_isGeocodingHintInitialized)
{
// Show hint suspendedly because final selection changed event in datagrid control is suspended.
// And so hint will be hided on selection changed.
Dispatcher.BeginInvoke(new Action(delegate()
{
if (SelectedItems.Count > 0 && SelectedItems[0] == geocodableItem)
{
GeocodingHint.ShowHint(geocodableItem, candidatesToZoom);
}
}), DispatcherPriority.Background);
}
}
/// <summary>
/// Init geocoding hint if map control from geocodable page.
/// </summary>
private void _InitGeocodingHint()
{
// Find address by point tool.
AddressByPointTool addressByPointTool = null;
foreach (IMapTool tool in _tools.Tools)
{
if (tool is AddressByPointTool)
{
addressByPointTool = tool as AddressByPointTool;
break;
}
}
if (addressByPointTool != null)
{
GeocodingHint.Initialize(canvas, this, addressByPointTool);
_isGeocodingHintInitialized = true;
}
}
/// <summary>
/// Hide hint "Could not located, but zoomed..."
/// </summary>
public void HideZoomToCandidatePopup()
{
GeocodingHint.HideHint();
}