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 * @author	owenm    <owen23355@gmail.com>
 * @license MIT
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t,e=[],n=this.el.children,o=0,r=n.length,i=this.options;o<r;o++)x(t=n[o],i.draggable,this.el,!1)&&e.push(t.getAttribute(i.dataIdAttr)||Vt(t));return e},sort:function(t){var e={},n=this.el;this.toArray().forEach((function(t,o){var r=n.children[o];x(r,this.options.draggable,n,!1)&&(e[t]=r)}),this),t.forEach((function(t){e[t]&&(n.removeChild(e[t]),n.appendChild(e[t]))}))},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return x(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=U.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&kt(n)},destroy:function(){K("destroy",this);var 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t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){var e=t.dragEl;oe=e},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,r=t.activeSortable,i=t.changed,a=t.cancel;if(r.options.swap){var l=this.sortable.el,s=this.options;if(n&&n!==l){var c=oe;!1!==o(n)?(D(n,s.swapClass,!0),oe=n):oe=null,c&&c!==oe&&D(c,s.swapClass,!1)}i(),e(!0),a()}},drop:function(t){var e=t.activeSortable,n=t.putSortable,o=t.dragEl,r=n||this.sortable,i=this.options;oe&&D(oe,i.swapClass,!1),oe&&(i.swap||n&&n.options.swap)&&o!==oe&&(r.captureAnimationState(),r!==e&&e.captureAnimationState(),function(t,e){var 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t.sortableIndex-e.sortableIndex})),be=!0},dragStarted:function(t){var e=this,n=t.sortable;if(this.isMultiDrag){if(this.options.sort&&(n.captureAnimationState(),this.options.animation)){pe.forEach((function(t){t!==fe&&_(t,"position","absolute")}));var o=M(fe,!1,!0,!0);pe.forEach((function(t){t!==fe&&B(t,o)})),me=!0,ve=!0}n.animateAll((function(){me=!1,ve=!1,e.options.animation&&pe.forEach((function(t){X(t)})),e.options.sort&&xe()}))}},dragOver:function(t){var e=t.target,n=t.completed,o=t.cancel;me&&~pe.indexOf(e)&&(n(!1),o())},revert:function(t){var e=t.fromSortable,n=t.rootEl,o=t.sortable,r=t.dragRect;pe.length>1&&(pe.forEach((function(t){o.addAnimationState({target:t,rect:me?M(t):r}),X(t),t.fromRect=r,e.removeAnimationState(t)})),me=!1,function(t,e){pe.forEach((function(n,o){var r=e.children[n.sortableIndex+(t?Number(o):0)];r?e.insertBefore(n,r):e.appendChild(n)}))}(!this.options.removeCloneOnHide,n))},dragOverCompleted:function(t){var e=t.sortable,n=t.isOwner,o=t.insertion,r=t.activeSortable,i=t.parentEl,a=t.putSortable,l=this.options;if(o){if(n&&r._hideClone(),ve=!1,l.animation&&pe.length>1&&(me||!n&&!r.options.sort&&!a)){var s=M(fe,!1,!0,!0);pe.forEach((function(t){t!==fe&&(B(t,s),i.appendChild(t))})),me=!0}if(!n)if(me||xe(),pe.length>1){var c=he;r._showClone(e),r.options.animation&&!he&&c&&ge.forEach((function(t){r.addAnimationState({target:t,rect:de}),t.fromRect=de,t.thisAnimationDuration=null}))}else r._showClone(e)}},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,o=t.activeSortable;if(pe.forEach((function(t){t.thisAnimationDuration=null})),o.options.animation&&!n&&o.multiDrag.isMultiDrag){de=i({},e);var r=O(fe,!0);de.top-=r.f,de.left-=r.e}},dragOverAnimationComplete:function(){me&&(me=!1,xe())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,r=t.sortable,i=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c=this.options,u=o.children;if(!be)if(c.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),D(fe,c.selectedClass,!~pe.indexOf(fe)),~pe.indexOf(fe))pe.splice(pe.indexOf(fe),1),ce=null,G({sortable:r,rootEl:n,name:"deselect",targetEl:fe,originalEvt:e});else{if(pe.push(fe),G({sortable:r,rootEl:n,name:"select",targetEl:fe,originalEvt:e}),e.shiftKey&&ce&&r.el.contains(ce)){var f,d,h=N(ce),p=N(fe);if(~h&&~p&&h!==p)for(p>h?(d=h,f=p):(d=p,f=h+1);d<f;d++)~pe.indexOf(u[d])||(D(u[d],c.selectedClass,!0),pe.push(u[d]),G({sortable:r,rootEl:n,name:"select",targetEl:u[d],originalEvt:e}))}else ce=fe;ue=s}if(be&&this.isMultiDrag){if((o[Y].options.sort||o!==n)&&pe.length>1){var g=M(fe),v=N(fe,":not(."+this.options.selectedClass+")");if(!ve&&c.animation&&(fe.thisAnimationDuration=null),s.captureAnimationState(),!ve&&(c.animation&&(fe.fromRect=g,pe.forEach((function(t){if(t.thisAnimationDuration=null,t!==fe){var e=me?M(t):g;t.fromRect=e,s.addAnimationState({target:t,rect:e})}}))),xe(),pe.forEach((function(t){u[v]?o.insertBefore(t,u[v]):o.appendChild(t),v++})),a===N(fe))){var m=!1;pe.forEach((function(t){t.sortableIndex===N(t)||(m=!0)})),m&&i("update")}pe.forEach((function(t){X(t)})),s.animateAll()}ue=s}(n===o||l&&"clone"!==l.lastPutMode)&&ge.forEach((function(t){t.parentNode&&t.parentNode.removeChild(t)}))}},nullingGlobal:function(){this.isMultiDrag=be=!1,ge.length=0},destroyGlobal:function(){this._deselectMultiDrag(),b(document,"pointerup",this._deselectMultiDrag),b(document,"mouseup",this._deselectMultiDrag),b(document,"touchend",this._deselectMultiDrag),b(document,"keydown",this._checkKeyDown),b(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==be&&be||ue!==this.sortable||t&&x(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;pe.length;){var e=pe[0];D(e,this.options.selectedClass,!1),pe.shift(),G({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvt:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},i(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[Y];e&&e.options.multiDrag&&!~pe.indexOf(t)&&(ue&&ue!==e&&(ue.multiDrag._deselectMultiDrag(),ue=e),D(t,e.options.selectedClass,!0),pe.push(t))},deselect:function(t){var e=t.parentNode[Y],n=pe.indexOf(t);e&&e.options.multiDrag&&~n&&(D(t,e.options.selectedClass,!1),pe.splice(n,1))}},eventProperties:function(){var t=this,e=[],n=[];return pe.forEach((function(o){var r;e.push({multiDragElement:o,index:o.sortableIndex}),r=me&&o!==fe?-1:me?N(o,":not(."+t.options.selectedClass+")"):N(o),n.push({multiDragElement:o,index:r})})),{items:s(pe),clones:[].concat(ge),oldIndicies:e,newIndicies:n}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":t.length>1&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}function we(t,e){ge.forEach((function(n,o){var r=e.children[n.sortableIndex+(t?Number(o):0)];r?e.insertBefore(n,r):e.appendChild(n)}))}function xe(){pe.forEach((function(t){t!==fe&&t.parentNode&&t.parentNode.removeChild(t)}))}Bt.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this))}return t.prototype={dragStarted:function(t){var e=t.originalEvent;this.sortable.nativeDraggable?m(document,"dragover",this._handleAutoScroll):this.options.supportPointer?m(document,"pointermove",this._handleFallbackAutoScroll):e.touches?m(document,"touchmove",this._handleFallbackAutoScroll):m(document,"mousemove",this._handleFallbackAutoScroll)},dragOverCompleted:function(t){var e=t.originalEvent;this.options.dragOverBubble||e.rootEl||this._handleAutoScroll(e)},drop:function(){this.sortable.nativeDraggable?b(document,"dragover",this._handleAutoScroll):(b(document,"pointermove",this._handleFallbackAutoScroll),b(document,"touchmove",this._handleFallbackAutoScroll),b(document,"mousemove",this._handleFallbackAutoScroll)),ne(),ee(),clearTimeout(S),S=void 0},nulling:function(){Jt=Kt=Gt=te=Zt=zt=qt=null,Qt.length=0},_handleFallbackAutoScroll:function(t){this._handleAutoScroll(t,!0)},_handleAutoScroll:function(t,e){var n=this,o=(t.touches?t.touches[0]:t).clientX,r=(t.touches?t.touches[0]:t).clientY,i=document.elementFromPoint(o,r);if(Jt=t,e||f||u||h){re(t,this.options,i,e);var a=k(i,!0);!te||Zt&&o===zt&&r===qt||(Zt&&ne(),Zt=setInterval((function(){var i=k(document.elementFromPoint(o,r),!0);i!==a&&(a=i,ee()),re(t,n.options,i,e)}),10),zt=o,qt=r)}else{if(!this.options.bubbleScroll||k(i,!0)===T())return void ee();re(t,this.options,k(i,!1),!1)}}},i(t,{pluginName:"scroll",initializeByDefault:!0})}),Bt.mount(le,ae),e.default=Bt}}]);