20     var options = Object.extend({
27     if(options.containment) {
28       options._containers = [];
29       var containment = options.containment;
31         containment.each( function(c) { options._containers.push($(c)) });
33         options._containers.push($(containment));
37     if(options.accept) options.accept = [options.accept].flatten();
40     options.element = element;
42     this.drops.push(options);
154     if(draggable.options.delay) {
159       }.bind(this), draggable.options.delay);
212     if(draggable.options[eventName]) draggable.options[eventName](draggable, event);
264     var options = Object.extend(defaults, arguments[1] || { });
268     if(options.handle && Object.isString(options.handle))
269       this.handle = this.element.down('.'+options.handle, 0);
271     if(!this.handle) this.handle = $(options.handle);
274     if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
275       options.scroll = $(options.scroll);
276       this._isScrollChild = Element.childOf(this.element, options.scroll);
281     this.options  = options;
328     if(this.options.zindex) {
330       this.element.style.zIndex = this.options.zindex;
333     if(this.options.ghosting) {
341     if(this.options.scroll) {
342       if (this.options.scroll == window) {
343         var where = this._getWindowScroll(this.options.scroll);
347         this.originalScrollLeft = this.options.scroll.scrollLeft;
348         this.originalScrollTop = this.options.scroll.scrollTop;
354     if(this.options.starteffect) this.options.starteffect(this.element);
360     if(!this.options.quiet){
368     if(this.options.change) this.options.change(this);
370     if(this.options.scroll) {
374       if (this.options.scroll == window) {
375 …    with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
377         p = Position.page(this.options.scroll);
378         p[0] += this.options.scroll.scrollLeft + Position.deltaX;
379         p[1] += this.options.scroll.scrollTop + Position.deltaY;
380         p.push(p[0]+this.options.scroll.offsetWidth);
381         p.push(p[1]+this.options.scroll.offsetHeight);
384 …if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.sc…
385 …if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.sc…
386 …if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.sc…
387 …if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.sc…
400     if(this.options.quiet){
406     if(this.options.ghosting) {
419     if(dropped && this.options.onDropped) this.options.onDropped(this.element);
422     var revert = this.options.revert;
426     if(revert && this.options.reverteffect) {
428         this.options.reverteffect(this.element,
434     if(this.options.zindex)
437     if(this.options.endeffect)
438       this.options.endeffect(this.element);
459     if(this.options.ghosting) {
467     if(this.options.scroll && (this.options.scroll != window && this._isScrollChild)) {
468       pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft;
469       pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop;
476     if(this.options.snap) {
477       if(Object.isFunction(this.options.snap)) {
478         p = this.options.snap(p[0],p[1],this);
480       if(Object.isArray(this.options.snap)) {
482           return (v/this.options.snap[i]).round()*this.options.snap[i] }.bind(this));
485           return (v/this.options.snap).round()*this.options.snap }.bind(this));
490     if((!this.options.constraint) || (this.options.constraint=='horizontal'))
492     if((!this.options.constraint) || (this.options.constraint=='vertical'))
508     this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];
517     if(this.options.scroll == window) {
518       with (this._getWindowScroll(this.options.scroll)) {
521           this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] );
525       this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
526       this.options.scroll.scrollTop  += this.scrollSpeed[1] * delta / 1000;
543     if(this.options.change) this.options.change(this);
605   options: function(element) {  method in Sortable
626     var options = Object.extend({
661       quiet:       options.quiet,
662       scroll:      options.scroll,
663       scrollSpeed: options.scrollSpeed,
664       scrollSensitivity: options.scrollSensitivity,
665       delay:       options.delay,
666       ghosting:    options.ghosting,
667       constraint:  options.constraint,
668       handle:      options.handle };
670     if(options.starteffect)
671       options_for_draggable.starteffect = options.starteffect;
673     if(options.reverteffect)
674       options_for_draggable.reverteffect = options.reverteffect;
676       if(options.ghosting) options_for_draggable.reverteffect = function(element) {
681     if(options.endeffect)
682       options_for_draggable.endeffect = options.endeffect;
684     if(options.zindex)
685       options_for_draggable.zindex = options.zindex;
689       overlap:     options.overlap,
690       containment: options.containment,
691       tree:        options.tree,
692       hoverclass:  options.hoverclass,
698       overlap:      options.overlap,
699       containment:  options.containment,
700       hoverclass:   options.hoverclass
706     options.draggables = [];
707     options.droppables = [];
710     if(options.dropOnEmpty || options.tree) {
712       options.droppables.push(element);
715     (options.elements || this.findElements(element, options) || []).each( function(e,i) {
716       var handle = options.handles ? $(options.handles[i]) :
717         (options.handle ? $(e).select('.' + options.handle)[0] : e);
718       options.draggables.push(
721       if(options.tree) e.treeNode = element;
722       options.droppables.push(e);
725     if(options.tree) {
726       (Sortable.findTreeElements(element, options) || []).each( function(e) {
729         options.droppables.push(e);
734     this.sortables[element.identify()] = options;
737     Draggables.addObserver(new SortableObserver(element, options.onUpdate));
742   findElements: function(element, options) {  argument
744       element, options.only, options.tree ? true : false, options.tag);
747   findTreeElements: function(element, options) {  argument
749       element, options.only, options.tree ? true : false, options.treeTag);
755     if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
764           Sortable.options(oldParentNode).onChange(element);
765         Sortable.options(dropon.parentNode).onChange(element);
775           Sortable.options(oldParentNode).onChange(element);
776         Sortable.options(dropon.parentNode).onChange(element);
783     var droponOptions = Sortable.options(dropon);
809       Sortable.options(oldParentNode).onChange(element);
820     var sortable = Sortable.options(dropon.parentNode);
841   _tree: function(element, options, parent) {  argument
842     var children = Sortable.findElements(element, options) || [];
845       var match = children[i].id.match(options.format);
855         container: $(children[i]).down(options.treeTag)
860         this._tree(child.container, options, child);
870     var sortableOptions = this.options(element);
871     var options = Object.extend({
887     return Sortable._tree(element, options, root);
901     var options = Object.extend(this.options(element), arguments[1] || { });
903     return $(this.findElements(element, options) || []).map( function(item) {
904       return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
910     var options = Object.extend(this.options(element), arguments[2] || { });
913     this.findElements(element, options).each( function(n) {
914         if (n.id.match(options.format))
915             nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
930     var options = Object.extend(Sortable.options(element), arguments[1] || { });
934     if (options.tree) {