// Arrange the Adorners.
protected override Size ArrangeOverride(Size finalSize)
{
// desiredWidth and desiredHeight are the width and height of the element that's being adorned.
// These will be used to place the ResizingAdorner at the corners of the adorned element.
double desiredWidth = AdornedElement.DesiredSize.Width;
double desiredHeight = AdornedElement.DesiredSize.Height;
// adornerWidth & adornerHeight are used for placement as well.
double adornerWidth = this.DesiredSize.Width;
double adornerHeight = this.DesiredSize.Height;
switch (m_strelement_prefix)
{
case "DC":
if (AdornedElement.GetType() == typeof(Line) || AdornedElement.GetType() == typeof(Ellipse))
{
if (AdornedElement.GetType() == typeof(Ellipse))
{
contextData = ((List <Point>)((AdornedElement as FrameworkElement).DataContext));
}
Line selectedLine = ((AdornedElement.GetType() == typeof(Ellipse)) && contextData.Count != 0)
? new Line()
{
X1 = contextData[0].X, Y1 = contextData[0].Y, X2 = contextData[1].X, Y2 = contextData[1].Y
}
: (AdornedElement as Line);
double left = Math.Min(selectedLine.X1, selectedLine.X2);
double top = Math.Min(selectedLine.Y1, selectedLine.Y2);
var startRect = new Rect(selectedLine.X1 - (Left.Width / 2), selectedLine.Y1 - (Left.Width / 2), Left.Width, Left.Height);
var endRect = new Rect(selectedLine.X2 - (Right.Width / 2), selectedLine.Y2 - (Right.Height / 2), Right.Width, Right.Height);
Left.Arrange(startRect);
Right.Arrange(endRect);
}
break;
case "RC":
if (AdornedElement.GetType() == typeof(Line) || AdornedElement.GetType() == typeof(Ellipse))
{
if (AdornedElement.GetType() == typeof(Ellipse))
{
contextData = ((List <Point>)((AdornedElement as FrameworkElement).DataContext));
}
Line selectedLine = ((AdornedElement.GetType() == typeof(Ellipse)) && contextData.Count != 0)
? new Line()
{
X1 = contextData[0].X, Y1 = contextData[0].Y, X2 = contextData[1].X, Y2 = contextData[1].Y
}
: (AdornedElement as Line);
double top = Math.Min(selectedLine.Y1, selectedLine.Y2);
var endRect = new Rect(selectedLine.X2 - (Right.Width / 2), selectedLine.Y2 - (Right.Height / 2), Right.Width, Right.Height);
Right.Arrange(endRect);
}
break;
}
return(finalSize);
}
void onDragDeltaLeft(object sender, DragDeltaEventArgs args)
{
FrameworkElement adornedElement = AdornedElement as FrameworkElement;
System.Windows.Controls.Primitives.Thumb hitThumb = sender as System.Windows.Controls.Primitives.Thumb;
if (adornedElement == null || hitThumb == null)
{
return;
}
Point position = Mouse.GetPosition(this);
double distance = 0;
Point _startPoint = new Point();
switch (m_strelement_prefix)
{
#region Diameter Circle
case "DC":
foreach (UIElement ui in multiObject)
{
if (ui.GetType() != AdornedElement.GetType())
{
switch (ui.GetType().ToString())
{
//Selected Element is Ellipse
case "System.Windows.Shapes.Line":
_startPoint = new Point();
distance = getMidPoint(new Point(((Line)ui).X2, ((Line)ui).Y2), position, out _startPoint, true);
((Line)ui).X2 = position.X;
((Line)ui).Y2 = position.Y;
((Ellipse)adornedElement).Height = ((Ellipse)adornedElement).Width = distance * 2;
Canvas.SetLeft(ui, (new Thickness((_startPoint.X - ((distance * 2) / 2)), (_startPoint.Y - ((distance * 2) / 2)), 0, 0)).Left);
Canvas.SetTop(ui, (new Thickness((_startPoint.X - ((distance * 2) / 2)), (_startPoint.Y - ((distance * 2) / 2)), 0, 0)).Top);
break;
//Selected Element is Line
case "System.Windows.Shapes.Ellipse":
_startPoint = new Point();
distance = getMidPoint(new Point(((Line)adornedElement).X2, ((Line)adornedElement).Y2), position, out _startPoint, true);
((Line)adornedElement).X2 = position.X;
((Line)adornedElement).Y2 = position.Y;
((Ellipse)ui).Height = ((Ellipse)ui).Width = distance * 2;
Canvas.SetLeft(ui, (new Thickness((_startPoint.X - ((distance * 2) / 2)), (_startPoint.Y - ((distance * 2) / 2)), 0, 0)).Left);
Canvas.SetTop(ui, (new Thickness((_startPoint.X - ((distance * 2) / 2)), (_startPoint.Y - ((distance * 2) / 2)), 0, 0)).Top);
break;
}
}
}
break;
#endregion
}
}
/// <summary>
/// Constructor used when a attached MwiChild is being resized.
/// </summary>
/// <param name="adornedElement"></param>
public ResizeAdorner(UIElement adornedElement)
: base(adornedElement)
{
if (AdornedElement.GetType().Equals(typeof(AnalysisChild)))
{
mMinWidth = ((AnalysisChild)AdornedElement).MinSize.Width;
mMinHeight = ((AnalysisChild)AdornedElement).MinSize.Height;
}
}
private void OpenToolTip()
{
var toolTip = ToolTipService.GetToolTip(this) as ToolTip;
if (toolTip == null)
{
return;
}
if (AdornedElement != null)
{
toolTip.PlacementTarget = AdornedElement;
Debug.Print("Set placement target: {0}", AdornedElement?.GetType().Name ?? "null");
}
toolTip.IsOpen = true;
}
/// <summary>
/// When the left mouse button is down get the current point and capture the mouse.
/// </summary>
/// <param name="e"></param>
protected override void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e)
{
base.OnPreviewMouseLeftButtonDown(e);
if (!mIsDown && mCurrentHotSpot != HotSpot.None)
{
if (AdornedElement.GetType().Equals(typeof(AnalysisChild)))
{
((AnalysisChild)AdornedElement).IsSelected = true; // promote the child to the front since it has been selected.
}
mIsDown = true; // mouse button is down
mCurrentPoint = e.GetPosition(this);
mLastPoint = mCurrentPoint;
this.CaptureMouse();
}
}
/// <summary>
/// Update the height with the newheight based on the current mouse point.
/// </summary>
/// <param name="newheight"></param>
/// <param name="p"></param>
private void UpdateHeight(double newheight, Point p)
{
if (AdornedElement.GetType().Equals(typeof(AnalysisChild)))
{
mMaxHeight = ((AnalysisChild)AdornedElement).MwiParent.ActualHeight - 3 - Canvas.GetTop(AdornedElement);
}
// if within the min and max height then update the height to the new height
if ((newheight >= mMinHeight && p.Y >= mMinHeight) &&
(newheight <= mMaxHeight && p.Y <= mMaxHeight))
{
if (mWindow != null)
{
mWindow.Height = newheight;
}
else
{
AdornedElement.SetValue(AnalysisChild.HeightProperty, newheight);
}
}
else // otherwise set the height to the min or max bound accordingly
{
if (mWindow != null)
{
if (!(newheight <= mMaxHeight && p.Y <= mMaxHeight))
{
mWindow.Height = mMaxHeight;
}
else
{
mWindow.Height = mMinHeight;
}
}
else
{
if (!(newheight <= mMaxHeight && p.Y <= mMaxHeight))
{
AdornedElement.SetValue(AnalysisChild.HeightProperty, mMaxHeight);
}
else
{
AdornedElement.SetValue(AnalysisChild.HeightProperty, mMinHeight);
}
}
}
}
/// <summary>
/// Updates the width to the newwidth provided based on the current mouse point.
/// </summary>
/// <param name="newwidth"></param>
/// <param name="p"></param>
private void UpdateWidth(double newwidth, Point p)
{
if (AdornedElement.GetType().Equals(typeof(AnalysisChild)))
{
mMaxWidth = ((AnalysisChild)AdornedElement).MwiParent.ActualWidth - 3 - Canvas.GetLeft(AdornedElement);
}
// if within the min and max width then update the width to the new width
if ((newwidth >= mMinWidth && p.X >= mMinWidth) &&
(newwidth <= mMaxWidth && p.X <= mMaxWidth))
{
if (mWindow != null)
{
mWindow.Width = newwidth;
}
else
{
AdornedElement.SetValue(AnalysisChild.WidthProperty, newwidth);
}
}
else // otherwise set the width to the min or max bound accordingly
{
if (mWindow != null)
{
if (!(newwidth <= mMaxWidth && p.X <= mMaxWidth))
{
mWindow.Width = mMaxWidth;
}
else
{
mWindow.Width = mMinWidth;
}
}
else
{
if (!(newwidth <= mMaxWidth && p.X <= mMaxWidth))
{
AdornedElement.SetValue(AnalysisChild.WidthProperty, mMaxWidth);
}
else
{
AdornedElement.SetValue(AnalysisChild.WidthProperty, mMinWidth);
}
}
}
}
// Arrange the Adorners.
protected override Size ArrangeOverride(Size finalSize)
{
// desiredWidth and desiredHeight are the width and height of the element that's being adorned.
// These will be used to place the ResizingAdorner at the corners of the adorned element.
double desiredWidth = AdornedElement.DesiredSize.Width;
double desiredHeight = AdornedElement.DesiredSize.Height;
// adornerWidth & adornerHeight are used for placement as well.
double adornerWidth = this.DesiredSize.Width;
double adornerHeight = this.DesiredSize.Height;
if (AdornedElement.GetType() == typeof(Line) && AdornedElement.Uid.Contains("DC"))
{
var selectedLine = AdornedElement as Line;
double left = Math.Min(selectedLine.X1, selectedLine.X2);
double top = Math.Min(selectedLine.Y1, selectedLine.Y2);
var startRect = new Rect(selectedLine.X1 - (Left.Width / 2), selectedLine.Y1 - (Left.Width / 2), Left.Width, Left.Height);
Left.Arrange(startRect);
var endRect = new Rect(selectedLine.X2 - (Right.Width / 2), selectedLine.Y2 - (Right.Height / 2), Right.Width, Right.Height);
Right.Arrange(endRect);
}
else if (AdornedElement.GetType() == typeof(Ellipse) && AdornedElement.Uid.Contains("DC"))
{
FrameworkElement adornedElement = AdornedElement as FrameworkElement;
List <Point> elipsendPoints = ((List <Point>)(adornedElement.DataContext));
if (elipsendPoints.Count == 0)
{
return(finalSize);
}
Line selectedLine = new Line()
{
X1 = elipsendPoints[0].X, Y1 = elipsendPoints[0].Y, X2 = elipsendPoints[1].X, Y2 = elipsendPoints[1].Y
};
double left = Math.Min(selectedLine.X1, selectedLine.X2);
double top = Math.Min(selectedLine.Y1, selectedLine.Y2);
var startRect = new Rect(selectedLine.X1 - (Left.Width / 2), selectedLine.Y1 - (Left.Width / 2), Left.Width, Left.Height);
var endRect = new Rect(selectedLine.X2 - (Right.Width / 2), selectedLine.Y2 - (Right.Height / 2), Right.Width, Right.Height);
Left.Arrange(startRect);
Right.Arrange(endRect);
}
// Return the final size.
return(finalSize);
}
void onDragDeltaLeft(object sender, DragDeltaEventArgs args)
{
FrameworkElement adornedElement = AdornedElement as FrameworkElement;
System.Windows.Controls.Primitives.Thumb hitThumb = sender as System.Windows.Controls.Primitives.Thumb;
if (adornedElement == null || hitThumb == null)
{
return;
}
Point position = Mouse.GetPosition(this);
double left, top, distance = 0;
Point _startPoint = new Point(), l_pMidPoint = new Point();
switch (AdornedElement.GetType().ToString())
{
case "System.Windows.Shapes.Line":
_startPoint = new Point(((Line)adornedElement).X2, ((Line)adornedElement).Y2);
l_pMidPoint = new Point(((_startPoint.X + position.X) / 2), ((_startPoint.Y + position.Y) / 2));
distance = getDistanceBetweenTwoPoints(l_pMidPoint, position);
foreach (UIElement ui in _ownerPanel.Children)
{
if (ui.Uid == AdornedElement.Uid && ui.GetType() != AdornedElement.GetType())
{
((Ellipse)ui).Height = ((Ellipse)ui).Width = distance * 2;
left = l_pMidPoint.X - ((distance * 2) / 2);
top = l_pMidPoint.Y - ((distance * 2) / 2);
Canvas.SetLeft(ui, (new Thickness(left, top, 0, 0)).Left);
Canvas.SetTop(ui, (new Thickness(left, top, 0, 0)).Top);
break;
}
}
((Line)adornedElement).X1 = position.X;
((Line)adornedElement).Y1 = position.Y;
break;
case "System.Windows.Shapes.Ellipse":
foreach (UIElement ui in _ownerPanel.Children)
{
if (ui.Uid == AdornedElement.Uid && ui.GetType() != AdornedElement.GetType())
{
((Line)ui).X1 = position.X;
((Line)ui).Y1 = position.Y;
_startPoint = new Point(((Line)ui).X1, ((Line)ui).Y1);
l_pMidPoint = new Point(((_startPoint.X + position.X) / 2), ((_startPoint.Y + position.Y) / 2));
distance = getDistanceBetweenTwoPoints(l_pMidPoint, position);
break;
}
}
((Ellipse)adornedElement).Height = ((Ellipse)adornedElement).Width = distance * 2;
left = l_pMidPoint.X - ((distance * 2) / 2);
top = l_pMidPoint.Y - ((distance * 2) / 2);
Canvas.SetLeft(adornedElement, (new Thickness(left, top, 0, 0)).Left);
Canvas.SetTop(adornedElement, (new Thickness(left, top, 0, 0)).Top);
break;
}
}
private void Log(string format, params object[] args)
{
Trace.WriteLine("[" + AdornedElement.GetType().Name + "] " + string.Format(format, args));
}