////////////////////////////////////////////////////////////////////////////////////////////
private void MouseLeftButtonUpEventHandler(object sender, MouseButtonEventArgs e)
{
// If the map doesn't currently have mouse capture, abort any further processing.
if (!Map.IsMouseCaptured)
{
return;
}
if (_drawingAnnotation)
{
_drawingAnnotation = false;
Map.ReleaseMouseCapture();
AnnotationElement drawnAnnotation = Annotations.LastOrDefault();
if ((drawnAnnotation != null) && (drawnAnnotation.Width == 0) && (drawnAnnotation.Height == 0))
{
HandleAnnotationElementSelected(null);
Annotations.Remove(drawnAnnotation);
}
return;
}
// Apply a translation to the map transform using the drag displacement
Point mousePos = e.GetPosition(Map);
Matrix scaleTransformMatrix = Map.RenderTransform.Value;
double mouseDisplacementX = mousePos.X - _dragStartPos.X;
double mouseDisplacementY = mousePos.Y - _dragStartPos.Y;
scaleTransformMatrix.TranslatePrepend(mouseDisplacementX, mouseDisplacementY);
// Apply the new transform to the map
Map.RenderTransform = new MatrixTransform(scaleTransformMatrix);
// Ensure mouse capture has been released by the map
Map.ReleaseMouseCapture();
}
////////////////////////////////////////////////////////////////////////////////////////////
private void AddAnnotationElementToDisplay(AnnotationElement element)
{
ContentControl annotationControl = new ContentControl()
{
DataContext = element
};
annotationControl.Style = FindResource("AnnotationElementStyle") as Style;
annotationControl.SetBinding(Canvas.TopProperty, new Binding(nameof(element.PosX))
{
Source = element, Mode = BindingMode.TwoWay
});
annotationControl.SetBinding(Canvas.LeftProperty, new Binding(nameof(element.PosY))
{
Source = element, Mode = BindingMode.TwoWay
});
annotationControl.SetBinding(FrameworkElement.WidthProperty, new Binding(nameof(element.Width))
{
Source = element, Mode = BindingMode.TwoWay
});
annotationControl.SetBinding(FrameworkElement.HeightProperty, new Binding(nameof(element.Height))
{
Source = element, Mode = BindingMode.TwoWay
});
annotationControl.SetBinding(FrameworkElement.RenderTransformProperty, new Binding(nameof(element.Angle))
{
Source = element, Mode = BindingMode.TwoWay, Converter = new AngleToTransformConverter()
});
annotationControl.RenderTransform = new AngleToTransformConverter().Convert(element.Angle, typeof(double), null, CultureInfo.CurrentCulture) as Transform;
annotationControl.MouseLeftButtonDown += (sender, e) =>
{
if (Keyboard.Modifiers.HasFlag(ModifierKeys.Control))
{
HandleAnnotationElementSelected(element);
e.Handled = true;
}
};
element.Color = _annotationLayerColors[element.Layer];
element.StrokeColor = _annotationLayerStrokeColors[element.Layer];
element.AnnotationControl = annotationControl;
switch (element.Layer)
{
case 0:
AnnotationLayer0.Children.Add(annotationControl);
break;
case 1:
AnnotationLayer1.Children.Add(annotationControl);
break;
case 2:
AnnotationLayer2.Children.Add(annotationControl);
break;
}
}
////////////////////////////////////////////////////////////////////////////////////////////
private void DeleteAnnotationEventHandler(object sender, RoutedEventArgs e)
{
AnnotationElement element = SelectedAnnotation;
if (element != null)
{
HandleAnnotationElementSelected(null);
Annotations.Remove(element);
AnnotationLayer0.Children.Remove(element.AnnotationControl);
AnnotationLayer1.Children.Remove(element.AnnotationControl);
AnnotationLayer2.Children.Remove(element.AnnotationControl);
}
}
////////////////////////////////////////////////////////////////////////////////////////////
private void HandleAnnotationElementSelected(AnnotationElement element)
{
if (SelectedAnnotation != null)
{
Selector.SetIsSelected(SelectedAnnotation.AnnotationControl, false);
}
if (SelectedAnnotation == element)
{
SelectedAnnotation = null;
return;
}
SelectedAnnotation = element;
if (element != null)
{
Selector.SetIsSelected(element.AnnotationControl, true);
}
}
////////////////////////////////////////////////////////////////////////////////////////////
private void MouseLeftButtonDownEventHandler(object sender, MouseButtonEventArgs e)
{
// If the map has already captured the mouse, abort any further processing.
if (Map.IsMouseCaptured)
{
return;
}
// Begin a pan operation, capturing the mouse and the initial drag position.
_dragStartPos = e.GetPosition(Map);
Map.CaptureMouse();
if (Keyboard.Modifiers.HasFlag(ModifierKeys.Control))
{
_drawingAnnotation = true;
AnnotationElement annotationElement = new AnnotationElement();
annotationElement.Layer = (IsOverlayEnabled0 ? 0 : (IsOverlayEnabled1 ? 1 : 2));
Annotations.Add(annotationElement);
AddAnnotationElementToDisplay(annotationElement);
HandleAnnotationElementSelected(annotationElement);
}
}
////////////////////////////////////////////////////////////////////////////////////////////
private bool LoadAnnotationsFile(string commentsFilePath, List <SvgElement> elements, out List <AnnotationElement> annotations)
{
// Load the XML document contents from the data
byte[] schematicFileData = File.ReadAllBytes(commentsFilePath);
XmlDocument document = new XmlDocument();
using (MemoryStream memoryStream = new MemoryStream(schematicFileData))
{
using (XmlReader xmlReader = XmlReader.Create(memoryStream))
{
document.Load(xmlReader);
}
}
// Obtain and validate the root node of the document
XmlElement root = document.DocumentElement;
if (!String.Equals(root.Name, "SchematicAnnotations", StringComparison.Ordinal))
{
annotations = null;
return(false);
}
// Load the comments
XmlElement commentsGroupNode = root.ChildNodes.OfType <XmlElement>().FirstOrDefault((x) => String.Equals(x.Name, "Comments", StringComparison.OrdinalIgnoreCase));
if (commentsGroupNode != null)
{
foreach (XmlElement childElement in commentsGroupNode.ChildNodes.OfType <XmlElement>().Where((x) => String.Equals(x.Name, "Comment", StringComparison.OrdinalIgnoreCase)))
{
string nodeID = childElement.GetAttribute("NodeID");
string comment = childElement.InnerText;
SvgElement element = elements.FirstOrDefault((x) => String.Equals(x.ID, nodeID, StringComparison.OrdinalIgnoreCase));
if (element != null)
{
element.Comments = comment;
}
}
}
// Load the annotations
annotations = new List <AnnotationElement>();
XmlElement annotationsGroupNode = root.ChildNodes.OfType <XmlElement>().FirstOrDefault((x) => String.Equals(x.Name, "Annotations", StringComparison.OrdinalIgnoreCase));
if (annotationsGroupNode != null)
{
foreach (XmlElement childElement in annotationsGroupNode.ChildNodes.OfType <XmlElement>().Where((x) => String.Equals(x.Name, "Annotation", StringComparison.OrdinalIgnoreCase)))
{
string name = childElement.GetAttribute("Name");
string comment = childElement.InnerText;
double width = Convert.ToDouble(childElement.GetAttribute("Width"));
double height = Convert.ToDouble(childElement.GetAttribute("Height"));
double posX = Convert.ToDouble(childElement.GetAttribute("PosX"));
double posY = Convert.ToDouble(childElement.GetAttribute("PosY"));
double rotation = Convert.ToDouble(childElement.GetAttribute("Rotation"));
int layer = Convert.ToInt32(childElement.GetAttribute("Layer"));
AnnotationElement element = new AnnotationElement()
{
Name = name, Description = comment, Width = width, Height = height, PosX = posX, PosY = posY, Angle = rotation, Layer = layer
};
element.Description = comment;
annotations.Add(element);
}
}
return(true);
}