>
> function Grab(evt)
> {
> // find out which element we moused down on
> var targetElement = evt.target;
>
> // you cannot drag the background itself, so ignore any
> attempts to mouse down on it
> if ( BackDrop != targetElement )
> {
> //set the item moused down on as the element to be
dragged
> DragTarget = targetElement;
>
> // move this element to the "top" of the display, so it
is
> (almost)
> // always over other elements (exception: in this
case,
> elements that are
> // "in the folder" (children of the folder group)
with
> only maintain
> // hierarchy within that group
> DragTarget.parentNode.appendChild( DragTarget );
>
> // turn off all pointer events to the dragged element,
> this does 2 things:
> // 1) allows us to drag text elements without
selecting
> the text
> // 2) allows us to find out where the dragged element
> is dropped (see Drop)
> DragTarget.setAttributeNS(null, 'pointer-events',
'none');
>
> // we need to find the current position and translation
of
> the grabbed element,
> // so that we only apply the differential between the
> current location
> // and the new location
> var transMatrix = DragTarget.getCTM();
> GetTrueCoords(evt);
> GrabPoint.x = TrueCoords.x - Number(transMatrix.e);
> GrabPoint.y = TrueCoords.y - Number(transMatrix.f);
> SVGRoot.addEventListener("mouseover",Drag,false);
> SVGRoot.addEventListener("mouseup",Drop,false);
>
> }
> };
>
Use "mousemove" instead of "mouseover". Mouseover is invoked when the
mouse cursor enters a shape. The drag listener should be invoked
whenever the mouse is moved, also when it moves inside a shape. With
mousemove it should work.
Regards
Frank
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