On 9/5/06, Marc Boeren <[EMAIL PROTECTED]> wrote:
>
> Hiyall,
>
> If I just want to change the x-position or the height of an element, I
> can't use the setElementPosition/Dimensions function. How about an API
> extension where you can pass null for an argument and that argument
> will not be updated? (another option would be to add setElementHeight
> and setElementWidth).
>
> Simple usage example in an onresize handler:
>
> setElementDimensions(fixedwidthelement,
> {w:null, h: getViewportDimensions().h});
>
> Implementation (based on current setElementPosition):
>
> setElementPosition = function (elem, newPos/* optional */, units) {
> elem = MochiKit.DOM.getElement(elem);
> if (typeof(units) == 'undefined') {
> units = 'px';
> }
> var style = {};
> if (newPos.x!==null) style.left = newPos.x + units;
> if (newPos.y!==null) style.top = newPos.y + units;
> MochiKit.DOM.updateNodeAttributes(elem, {'style': style});
> };
>
> Same for setElementDimension.
>
> I can supply a patch if anyone is interested.
>
> Ciao, Marc.
+1
I'd also like to see relative versions of those functions, would help
with custom dragging and resizing. I.e. adjustElementPosition(el, {x:
0, y: -10}) would move the element 10pxls up.
Not to be pushy, but I'd also like to see "add" and "subtract" member
functions on the dimension and coordinates objects.
Now, this:
var delta = new MochiKit.DOM.Coordinates(e.mouse().page.x - lastpos.x,
e.mouse().page.y - lastpos.y);
lastpos = e.mouse().page;
currelpos = elementPosition(pi.firstChild);
var newpos = new MochiKit.DOM.Coordinates(currelpos.x + delta.x,
currelpos.y + delta.y);
setElementPosition(pi.firstChild, newpos);
would be reduced to this:
var delta = e.mouse().page.subtract(lastpos);
lastpos = e.mouse().page;
adjustElementPosition(pi.firstChild, delta);
I'd be happy to provide patches for this if anyone else has use for it.
Arnar
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