public void LocateCanvas(Geometry.Vector location)
{
double radius = 500;
var pt1 = new Geometry.Vector(location.X + radius, location.Y + radius);
var pt2 = new Geometry.Vector(location.X - radius, location.Y - radius);
var extents = Extents.FromPoints(pt2, pt1);
this.Zoom(extents);
}
public override void MouseUpHandler(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left)
{
if (_isStarted == false)
{
if (_isMoving == true)
{
Extents = Extents.FromPoints(_mouseDownOrigin, _mouseDownEnd);
Picked = true;
_isMoving = false;
}
Rect.Visibility = Visibility.Collapsed;
_isDragging = false;
}
}
}
private void ZoomExtentsButton_Click(object sender, RoutedEventArgs e)
{
var bubblePositions = this.MyCanvas.Children
.Cast <UIElement>()
.Where(element => element is NodeBubble)
.Cast <NodeBubble>()
.Select(bubble => new Vector(bubble.Position.X, bubble.Position.Y))
.ToArray();
if (bubblePositions.Length == 0)
{
return;
}
var extents = Extents.FromPoints(bubblePositions);
this.Zoom(extents.Offset(200));
}
public override void MouseDownHandler(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left)
{
if (_isDragging == false)
{
_isDragging = true;
_mouseDownOrigin = MapControl.Current.GetWorldCoord(e.GetPosition(MapControl.Current));
return;
}
_mouseDownEnd = MapControl.Current.GetWorldCoord(e.GetPosition(MapControl.Current));
var extents = Extents.FromPoints(_mouseDownOrigin, _mouseDownEnd);
var queryResult = MapDataManager.LatestMap
.QueryFeatures(IsWindow ? SpatialQueryOperation.Window : SpatialQueryOperation.Cross, extents, 0)
.ToArray();
if (queryResult.Length > 0)
{
if ((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift &&
(Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control) // mod 20140725
{
SelectionSet.SubtractSelection(queryResult);
}
else if ((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift) // mod 20120810
{
SelectionSet.AddSelection(queryResult);
}
else
{
SelectionSet.Select(queryResult); // mod 20120725
}
}
else
{
SelectionSet.ClearSelection();
}
_isDragging = false;
this.Rect.Visibility = Visibility.Collapsed;
}
}
public override void MouseUpHandler(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left)
{
if (_isStarted == false)
{
if (_isMoving == true)
{
var pt1 = MapControl.Current.GetWorldCoord(_mouseDownOrigin);
var pt2 = MapControl.Current.GetWorldCoord(_mouseDownEnd);
var extents = Extents.FromPoints(pt1, pt2);
MapControl.Current.Zoom(extents);
_isMoving = false;
}
MapControl.Current.Children.Remove(Rect);
Rect.Visibility = Visibility.Collapsed;
_isDragging = false;
}
}
}
