protected Annotation Create(Rect rct, String txt, bool IsReadOnly)
{
Pen pen = new Pen(Brushes.Yellow, 3);
RectangleGeometry geo;
geo = new RectangleGeometry(rct);
Annotation obj = new Annotation(pen, geo, null, IsReadOnly);
return obj;
}
private Annotation Create (Rect rect, string commentText, bool IsReadOnly, double radiusX, double radiusY)
{
Pen pen = new Pen(Brushes.Goldenrod, 3);
pen.LineJoin = PenLineJoin.Round;
CommentBoxControl commentBox = new CommentBoxControl();
commentBox.IsReadOnly = IsReadOnly;
commentBox.Text = commentText;
commentBox.Width = 275;
commentBox.Height = 165;
visualChildren.Add(commentBox);
Annotation annotation = new Annotation(pen, new RectangleGeometry(rect, radiusX, radiusY), commentBox, commentText, IsReadOnly);
return annotation;
}
private void GetFocusedObject (Point cursorPosition)
{
if (_FocusedAnnotation != null)
{
CheckResizeLines(cursorPosition);
if (!_FocusedAnnotation.Marking.FillContains(cursorPosition, 2.0, ToleranceType.Absolute)
&& ResizeTopLine == null
&& ResizeBottomLine == null
&& ResizeLeftLine == null
&& ResizeRightLine == null)
{
SetAnnotationDeselected(_FocusedAnnotation);
ResizeTopLine = null;
ResizeLeftLine = null;
ResizeBottomLine = null;
ResizeRightLine = null;
m_ResizeFocusedObject = false;
m_MoveFocusedObject = false;
_FocusedAnnotation = null;
this.Cursor = System.Windows.Input.Cursors.SizeAll;
}
}
if (_FocusedAnnotation == null)
{
foreach (Annotation annotation in _Annotations)
{
if (_FocusedAnnotation == null && !annotation.IsReadOnly && annotation.Marking.FillContains(cursorPosition, 2.0, ToleranceType.Absolute))
{
_FocusedAnnotation = annotation;
_FocusedAnnotation.CommentBox.Visibility = System.Windows.Visibility.Visible;
_FocusedAnnotation.Pen.Brush = Brushes.Goldenrod;
}
else
{
SetAnnotationDeselected(annotation);
}
}
}
InvalidateVisual();
}
private void DrawAnnotation(Annotation annotation, DrawingContext drawingContext)
{
Point startPoint = PointToWindowCoordinates(annotation.StartPoint);
Point endPoint = PointToWindowCoordinates(annotation.EndPoint);
RectangleGeometry rectGeo = new RectangleGeometry(new Rect(startPoint, endPoint), annotation.Marking.RadiusX, annotation.Marking.RadiusY);
Brush fill = (Enabled) ? Brushes.Transparent : null;
drawingContext.DrawGeometry(fill, annotation.Pen, rectGeo);
if (annotation.CommentBox.Visibility == Visibility.Visible)
{
Point commentBoxPoint = PointToWindowCoordinates(annotation.CommentBoxBottomLeft);
if (annotation.Marking.RadiusX != 0)
{
drawingContext.DrawLine(annotation.Pen, new Point(rectGeo.Rect.TopRight.X, rectGeo.Rect.TopRight.Y + rectGeo.Rect.Height / 2), commentBoxPoint);
}
else
{
drawingContext.DrawLine(annotation.Pen, rectGeo.Rect.TopRight, commentBoxPoint);
}
}
}
private void SetAnnotationDeselected(Annotation annotation)
{
annotation.CommentBox.Visibility = System.Windows.Visibility.Hidden;
annotation.Pen = new Pen(Brushes.Green, 3);
annotation.Pen.LineJoin = PenLineJoin.Round;
}
protected override void RemoveItem_Click (object sender, EventArgs e)
{
base.RemoveItem_Click(sender, e);
if (_FocusedAnnotation != null && !_FocusedAnnotation.IsReadOnly)
{
_Annotations.Remove(_FocusedAnnotation);
visualChildren.Remove(_FocusedAnnotation.CommentBox);
_FocusedAnnotation = null;
}
InvalidateVisual();
}
protected override void AdornedElement_MouseRightButtonUp(object sender, MouseButtonEventArgs e)
{
if (Enabled)
{
_FocusedAnnotation = null;
InvalidateVisual();
}
}
protected override void AdornedElement_MouseMove (object sender, MouseEventArgs e)
{
base.AdornedElement_MouseMove(sender, e);
if (Enabled && !m_MoveFocusedObject && !m_ResizeFocusedObject && MainContextMenuOpen == false)
{
if (e.LeftButton == MouseButtonState.Pressed && !ContextMenu.IsLoaded && _CanCreateAnnotations)
{
Point CurrentPoint = PointToImageCoordinates(e.GetPosition(this));
if (_Annotations.Count < 20)
{
Rect rect = new Rect(_StartPoint, CurrentPoint);
if (rect.Width > 10)
{
_FocusedAnnotation = (_IsEllipse) ? Create(rect, String.Empty, false, Double.MaxValue, Double.MaxValue) : Create(rect, String.Empty, false, 0, 0);
_Annotations.Add(_FocusedAnnotation);
_FocusedAnnotation.EndPoint = CurrentPoint;
ResizeLeftLine = null;
ResizeTopLine = null;
ResizeBottomLine = new LineGeometry(_FocusedAnnotation.Marking.Rect.BottomLeft, _FocusedAnnotation.Marking.Rect.BottomRight);
ResizeRightLine = new LineGeometry(_FocusedAnnotation.Marking.Rect.TopRight, _FocusedAnnotation.Marking.Rect.BottomRight);
m_ResizeFocusedObject = true;
Cursor = System.Windows.Input.Cursors.Pen;
CaptureMouse();
}
}
else
{
MessageBox.Show(L3.Cargo.Common.Resources.MaxAnnotationErrorMessage);
}
}
InvalidateVisual();
}
}
protected override void AdornedElement_MouseMove (object sender, MouseEventArgs e)
{
base.AdornedElement_MouseMove(sender, e);
if (LeftMouseBtnWasPressed)
{
if (e.LeftButton == MouseButtonState.Pressed)
{
Point CurrentPoint = PointToImageCoordinates(e.GetPosition(this));
if (m_CurrentAOI != null)
{
m_CurrentAOI.EndPoint = CurrentPoint;
}
else
{
Rect tmpRect = new Rect(_StartPoint, CurrentPoint);
if (tmpRect.Width > 10)
m_CurrentAOI = Create(tmpRect, null, false);
}
InvalidateVisual();
}
if (e.LeftButton == MouseButtonState.Released)
{
if (m_CurrentAOI != null)
{
Point startPoint = m_CurrentAOI.StartPoint;
Point endPoint = m_CurrentAOI.EndPoint;
CreateWindow(startPoint, endPoint);
m_CurrentAOI = null;
LeftMouseBtnWasPressed = false;
InvalidateVisual();
}
}
}
}
protected override void OnMouseLeftButtonUp (MouseButtonEventArgs e)
{
if (m_CurrentAOI != null)
{
Point startPoint = m_CurrentAOI.StartPoint;
Point endPoint = m_CurrentAOI.EndPoint;
CreateWindow(startPoint, endPoint);
m_CurrentAOI = null;
LeftMouseBtnWasPressed = false;
InvalidateVisual();
}
}