//for highlighting suggestions
private void SourceCanvas_MouseMove(object sender, MouseEventArgs e)
{
DependencyObject test = Mouse.DirectlyOver as DependencyObject;//get what is under mouse
if (test != null)
{
while (test != null && (test as FrameworkElement) != null && String.IsNullOrEmpty((test as FrameworkElement).Name))//traverse visual tree to get to actual element with name
test = VisualTreeHelper.GetParent(test);
if (test != null && (test as FrameworkElement) != null && !(test as FrameworkElement).Name.Equals("SourceCanvas"))//show adorner for test element (but not for Source Canvas)
{
AdornerLayer myAdornerLayer = AdornerLayer.GetAdornerLayer(test as FrameworkElement);
foreach (Adorner a in sourceAdorners)
myAdornerLayer.Remove(a);
//highlight element
VisualElementMouseAdorner visualMouseAdorner = new VisualElementMouseAdorner(test as UIElement);
if (visualMouseAdorner.Parent == null && myAdornerLayer != null)
{
myAdornerLayer.Add(visualMouseAdorner);
sourceAdorners.Add(visualMouseAdorner);
}
DependencyObject test2 = test;//start from the element
string localAddr = "";
string fullAddr = "";
do //traverse logical tree to find the address of this element
{
if (!String.IsNullOrEmpty((test2 as FrameworkElement).Name))
{
if (String.IsNullOrEmpty(localAddr))
localAddr = (test2 as FrameworkElement).Name;
else
localAddr = (test2 as FrameworkElement).Name + "/" + localAddr;
}
test2 = LogicalTreeHelper.GetParent(test2);
} while (test2 != null && !(test2 is VisualElement) && !((test2 as FrameworkElement).Name.Equals("SourceCanvas")));
if (test2 is VisualElement)
{
string topPortionOfAddress = "";
AbstractTreeLatticeNode test2AbstractNode = sourceASTL.Root.findInChildrenByName((test2 as VisualElement).Data.Name);
if (test2AbstractNode != null && test2AbstractNode.parent != null)
topPortionOfAddress = test2AbstractNode.parent.Address;
if (!string.IsNullOrEmpty(topPortionOfAddress))
fullAddr = topPortionOfAddress + "/" + localAddr;
else
fullAddr = localAddr;
}
ReportStatusBar.ShowStatus((test as FrameworkElement).Name + " ===> " + fullAddr, ReportIcon.Info);
if (TargetCanvas.Children.Count > 0)
highlightSuggestedCorrespondeces(QualifiedNameString.Convert(fullAddr));
}
}
}
public VisualElement()
{
//this.Loaded += new RoutedEventHandler(VisualELement_Loaded);
//add event handler for droping elements on visual element
this.Drop += new DragEventHandler(VisualElement_Drop);
this.MouseDown += new MouseButtonEventHandler(VisualElement_MouseDown);
this.MouseMove += new MouseEventHandler(VisualELement_MouseMove);
this.MouseRightButtonDown += new MouseButtonEventHandler(VisualElement_RightClick);
this.MouseEnter += new MouseEventHandler(VisualElement_MouseEnter);
this.MouseLeave += new MouseEventHandler(VisualElement_MouseLeave);
this.DragEnter += new DragEventHandler(VisualElement_DragEnter);
this.DragLeave += new DragEventHandler(VisualElement_DragLeave);
this.TouchDown += new EventHandler<TouchEventArgs>(VisualElement_TouchDrag);
//this.MouseDoubleClick += new MouseButtonEventHandler(VisualElement_MouseDoubleClick);//suggestion representation
elementList = new List<Element>();
abstractTree = new AbstractLattice();
//abstractTreeReverse = new AbstractLattice();
visualMouseAdorner = new VisualElementMouseAdorner(this);
visualDragAdorner = new VisualElementDragAdorner(this);
MyItemsHost = new ListBox();
this.Unloaded += VisualElement_Unloaded;
}