// Capture the mouse event and hit test the coordinate point value against
// the child visual objects.
void MouseLeftButtonDownHandler(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
ToolTipController.Hide();
// Retreive the coordinates of the mouse button event.
Point pt = e.GetPosition(this);
DrawingVisual hit = VisualTreeHelper.HitTest(this, pt).VisualHit as DrawingVisual;
if (hit != null)
{
string tag = hit.ReadLocalValue(FrameworkElement.TagProperty) as string;
if (tag != null)
{
foreach (DrawingVisual v in _graph.Children)
{
v.BitmapEffect = null;
}
OuterGlowBitmapEffect glow = new OuterGlowBitmapEffect();
glow.GlowColor = Colors.Blue;
glow.GlowSize = 1;
glow.Opacity = 0.8;
glow.Freeze();
hit.BitmapEffect = glow;
}
}
}
// Capture the mouse event and hit test the coordinate point value against
// the child visual objects.
void MouseLeftButtonDownHandler(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
ToolTipController.Hide();
// Retreive the coordinates of the mouse button event.
Point pt = e.GetPosition(this);
DrawingVisual hit = VisualTreeHelper.HitTest(this, pt).VisualHit as DrawingVisual;
if (hit != null)
{
string tag = hit.ReadLocalValue(FrameworkElement.TagProperty) as string;
if (tag != null)
{
// TODO : check if double click --> if yes --> check if end of run --> if yes --> select all of the nodes
if (Keyboard.IsKeyDown(Key.RightCtrl) || Keyboard.IsKeyDown(Key.LeftCtrl))
{
selectedNodes.Add(tag);
}
else
{
selectedNodes.RemoveRange(0, selectedNodes.Count);
selectedNodes.Add(tag);
foreach (DrawingVisual v in _graph.Children)
{
v.BitmapEffect = null;
}
}
SetGlowOnDrawingVisual(hit, Colors.DarkRed);
if (e.ClickCount >= 2)
{
MouseDoubleClickOnGraphElement(this, new MouseDoubleClickEventArgs()
{
Node = tag
});
// TODO : az értesítés, hogy dupla klikk volt és hol --> itt lesz event, ami elsütõdik és a DotViewer feliratkozott rá
// TODO : A DotViewerben is lesz egy esemény amit az elõzõ eventkezelõ elsüt. Erre iratkozik fel a MainWindow
// TODO : A MainWindow-ból már minden elintézhetõ --> FONTOS: a kijeölt node száma fel kell hogy szivárogjon innen
}
}
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
Point pt = e.GetPosition(this);
HitTestResult result = VisualTreeHelper.HitTest(this, pt);
if (result == null)
{
ToolTipController.Move(null, null);
}
else
{
DrawingVisual hit = result.VisualHit as DrawingVisual;
object tag = (hit != null) ? hit.ReadLocalValue(FrameworkElement.TagProperty) : null;
ToolTipController.Move(ToolTipContentProvider, tag);
}
}
