public bool CanConnectToPin(IThumb pin)
{
return(pin != null &&
(
!StringUtil.Compare(pin.GetUid(), Constants.PinStandalone) ||
(Context.IsControlPressed != null && Context.IsControlPressed())
));
}
public void DragStart(ICanvas canvas, IThumb element)
{
Snapshot(canvas, false);
Context.MoveAllSelected = element.GetSelected();
if (Context.MoveAllSelected == false)
{
element.SetSelected(true);
}
}
public void Drag(ICanvas canvas, IThumb element, double dX, double dY)
{
bool snap = IsSnapOnDragEnabled();
if (Context.MoveAllSelected == true)
{
MoveSelectedElements(canvas, dX, dY, snap);
}
else
{
MoveRoot(element, dX, dY, snap);
}
}
public void DragEnd(ICanvas canvas, IThumb element)
{
if (Context.SnapOnRelease == true && Context.EnableSnap == true)
{
if (Context.MoveAllSelected == true)
{
MoveSelectedElements(canvas, 0.0, 0.0, Context.EnableSnap);
}
else
{
element.SetSelected(false);
MoveRoot(element, 0.0, 0.0, Context.EnableSnap);
}
}
else
{
if (Context.MoveAllSelected != true)
{
element.SetSelected(false);
}
}
Context.MoveAllSelected = false;
}
private void Connect(ICanvas canvas, IThumb pin, IDiagramCreator creator)
{
if (pin == null)
{
return;
}
Context.CurrentRoot = pin.GetParent() as IThumb;
double x;
double y;
ModelEditor.GetPinPosition(Context.CurrentRoot, pin, out x, out y);
Context.CurrentLine = WireEditor.Connect(canvas,
Context.CurrentRoot, Context.CurrentLine,
x, y,
creator);
if (Context.CurrentLine == null)
{
Context.CurrentRoot = null;
}
}
private void SetElementDragDeltaHandler(IElement element, IThumb thumb, Action <IElement, IThumb, double, double> drag)
{
(thumb.Native as Thumb).DragDelta += (sender, e) => drag(element, thumb, e.HorizontalChange, e.VerticalChange);
}
public bool CanConnectToPin(IThumb pin)
{
return pin != null &&
(
!StringUtil.Compare(pin.GetUid(), Constants.PinStandalone) ||
(Context.IsControlPressed != null && Context.IsControlPressed())
);
}
private void SetLineDragDeltaHandler(ILine line, IThumb thumb, Action <ILine, IThumb, double, double> drag)
{
(thumb.Native as Thumb).DragDelta += (sender, e) => drag(line, thumb, e.HorizontalChange, e.VerticalChange);
}
private void Connect(ICanvas canvas, IThumb pin, IDiagramCreator creator)
{
if (pin == null)
return;
Context.CurrentRoot = pin.GetParent() as IThumb;
double x;
double y;
ModelEditor.GetPinPosition(Context.CurrentRoot, pin, out x, out y);
Context.CurrentLine = WireEditor.Connect(canvas,
Context.CurrentRoot, Context.CurrentLine,
x, y,
creator);
if (Context.CurrentLine == null)
Context.CurrentRoot = null;
}
public bool MouseEventPreviewLeftDown(ICanvas canvas, IPoint point, IThumb pin)
{
if (CanConnectToPin(pin))
{
if (Context.CurrentLine == null)
Snapshot(canvas, true);
Connect(canvas, pin, Context.DiagramCreator);
return true;
}
else if (Context.CurrentLine != null)
{
var element = MouseGetElementAtPoint(canvas, point);
if (CanSplitWire(element))
{
if (Context.CurrentLine == null)
Snapshot(canvas, true);
bool result = WireEditor.Split(canvas, element as ILine, Context.CurrentLine, point, Context.DiagramCreator, Context.EnableSnap);
Context.CurrentRoot = null;
Context.CurrentLine = null;
return result;
}
}
if (CanToggleLine())
MouseToggleLineSelection(canvas, point);
return false;
}
public void DragStart(ICanvas canvas, IThumb element)
{
Snapshot(canvas, false);
Context.MoveAllSelected = element.GetSelected();
if (Context.MoveAllSelected == false)
element.SetSelected(true);
}
public void DragEnd(ICanvas canvas, IThumb element)
{
if (Context.SnapOnRelease == true && Context.EnableSnap == true)
{
if (Context.MoveAllSelected == true)
{
MoveSelectedElements(canvas, 0.0, 0.0, Context.EnableSnap);
}
else
{
element.SetSelected(false);
MoveRoot(element, 0.0, 0.0, Context.EnableSnap);
}
}
else
{
if (Context.MoveAllSelected != true)
element.SetSelected(false);
}
Context.MoveAllSelected = false;
}
public void Drag(ICanvas canvas, IThumb element, double dX, double dY)
{
bool snap = IsSnapOnDragEnabled();
if (Context.MoveAllSelected == true)
MoveSelectedElements(canvas, dX, dY, snap);
else
MoveRoot(element, dX, dY, snap);
}
