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 * @author	owenm    <owen23355@gmail.com>
 * @license MIT
 */
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t=this.el;t[Y]=null,b(t,"mousedown",this._onTapStart),b(t,"touchstart",this._onTapStart),b(t,"pointerdown",this._onTapStart),this.nativeDraggable&&(b(t,"dragover",this),b(t,"dragenter",this)),Array.prototype.forEach.call(t.querySelectorAll("[draggable]"),function(t){t.removeAttribute("draggable")}),this._onDrop(),Et.splice(Et.indexOf(this.el),1),this.el=t=null},_hideClone:function(){if(!ot){if(z("hideClone",this),Xt.eventCanceled)return;D(nt,"display","none"),this.options.removeCloneOnHide&&nt.parentNode&&nt.parentNode.removeChild(nt),ot=!0}},_showClone:function(t){if("clone"===t.lastPutMode){if(ot){if(z("showClone",this),Xt.eventCanceled)return;Z.contains(q)&&!this.options.group.revertClone?Z.insertBefore(nt,q):tt?Z.insertBefore(nt,tt):Z.appendChild(nt),this.options.group.revertClone&&this.animate(q,nt),D(nt,"display",""),ot=!1}}else this._hideClone()}},Mt&&m(document,"touchmove",function(t){(Xt.active||xt)&&t.cancelable&&t.preventDefault()}),Xt.utils={on:m,off:b,css:D,find:C,is:function(t,e){return!!x(t,e,t,!1)},extend:function(t,e){if(t&&e)for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n]);return t},throttle:R,closest:x,toggleClass:_,clone:B,index:j,nextTick:Vt,cancelNextTick:Ut,detectDirection:Nt,getChild:I},Xt.get=function(t){return t[Y]},Xt.mount=function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];e[0].constructor===Array&&(e=e[0]),e.forEach(function(t){if(!t.prototype||!t.prototype.constructor)throw"Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(t));t.utils&&(Xt.utils=a({},Xt.utils,t.utils)),U.mount(t)})},Xt.create=function(t,e){return new Xt(t,e)},Xt.version="1.10.1";var Gt,zt,Kt,qt,Jt,Qt,Zt=[],te=!1;function ee(){Zt.forEach(function(t){clearInterval(t.pid)}),Zt=[]}function ne(){clearInterval(Qt)}var oe,re=R(function(t,e,n,o){if(e.scroll){var r,i=(t.touches?t.touches[0]:t).clientX,a=(t.touches?t.touches[0]:t).clientY,l=e.scrollSensitivity,c=e.scrollSpeed,s=T(),u=!1;zt!==n&&(zt=n,ee(),Gt=e.scroll,r=e.scrollFn,!0===Gt&&(Gt=k(n,!0)));var f=0,d=Gt;do{var h=d,p=M(h),v=p.top,g=p.bottom,m=p.left,b=p.right,y=p.width,w=p.height,x=void 0,S=void 0,E=h.scrollWidth,_=h.scrollHeight,O=D(h),C=h.scrollLeft,A=h.scrollTop;h===s?(x=y<E&&("auto"===O.overflowX||"scroll"===O.overflowX||"visible"===O.overflowX),S=w<_&&("auto"===O.overflowY||"scroll"===O.overflowY||"visible"===O.overflowY)):(x=y<E&&("auto"===O.overflowX||"scroll"===O.overflowX),S=w<_&&("auto"===O.overflowY||"scroll"===O.overflowY));var I=x&&(Math.abs(b-i)<=l&&C+y<E)-(Math.abs(m-i)<=l&&!!C),P=S&&(Math.abs(g-a)<=l&&A+w<_)-(Math.abs(v-a)<=l&&!!A);if(!Zt[f])for(var j=0;j<=f;j++)Zt[j]||(Zt[j]={});Zt[f].vx==I&&Zt[f].vy==P&&Zt[f].el===h||(Zt[f].el=h,Zt[f].vx=I,Zt[f].vy=P,clearInterval(Zt[f].pid),0==I&&0==P||(u=!0,Zt[f].pid=setInterval(function(){o&&0===this.layer&&Xt.active._onTouchMove(Jt);var e=Zt[this.layer].vy?Zt[this.layer].vy*c:0,n=Zt[this.layer].vx?Zt[this.layer].vx*c:0;"function"==typeof r&&"continue"!==r.call(Xt.dragged.parentNode[Y],n,e,t,Jt,Zt[this.layer].el)||F(Zt[this.layer].el,n,e)}.bind({layer:f}),24))),f++}while(e.bubbleScroll&&d!==s&&(d=k(d,!1)));te=u}},30),ie=function(t){var e=t.originalEvent,n=t.putSortable,o=t.dragEl,r=t.activeSortable,i=t.dispatchSortableEvent,a=t.hideGhostForTarget,l=t.unhideGhostForTarget;if(e){var c=n||r;a();var s=e.changedTouches&&e.changedTouches.length?e.changedTouches[0]:e,u=document.elementFromPoint(s.clientX,s.clientY);l(),c&&!c.el.contains(u)&&(i("spill"),this.onSpill({dragEl:o,putSortable:n}))}};function ae(){}function le(){}function ce(){function 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,c=this.options;if(n&&n!==l){var s=oe;!1!==o(n)?(_(n,c.swapClass,!0),oe=n):oe=null,s&&s!==oe&&_(s,c.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&&_(oe,i.swapClass,!1),oe&&(i.swap||n&&n.options.swap)&&o!==oe&&(r.captureAnimationState(),r!==e&&e.captureAnimationState(),function(t,e){var n,o,r=t.parentNode,i=e.parentNode;if(!r||!i||r.isEqualNode(e)||i.isEqualNode(t))return;n=j(t),o=j(e),r.isEqualNode(i)&&n<o&&o++;r.insertBefore(e,r.children[n]),i.insertBefore(t,i.children[o])}(o,oe),r.animateAll(),r!==e&&e.animateAll())},nulling:function(){oe=null}},i(t,{pluginName:"swap",eventProperties:function(){return{swapItem:oe}}})}ae.prototype={startIndex:null,dragStart:function(t){var e=t.oldDraggableIndex;this.startIndex=e},onSpill:function(t){var e=t.dragEl,n=t.putSortable;this.sortable.captureAnimationState(),n&&n.captureAnimationState();var o=I(this.sortable.el,this.startIndex,this.options);o?this.sortable.el.insertBefore(e,o):this.sortable.el.appendChild(e),this.sortable.animateAll(),n&&n.animateAll()},drop:ie},i(ae,{pluginName:"revertOnSpill"}),le.prototype={onSpill:function(t){var e=t.dragEl,n=t.putSortable||this.sortable;n.captureAnimationState(),e.parentNode&&e.parentNode.removeChild(e),n.animateAll()},drop:ie},i(le,{pluginName:"removeOnSpill"});var se,ue,fe,de,he,pe=[],ve=[],ge=!1,me=!1,be=!1;function ye(){function t(t){for(var e in this)"_"===e.charAt(0)&&"function"==typeof this[e]&&(this[e]=this[e].bind(this));t.options.supportPointer?m(document,"pointerup",this._deselectMultiDrag):(m(document,"mouseup",this._deselectMultiDrag),m(document,"touchend",this._deselectMultiDrag)),m(document,"keydown",this._checkKeyDown),m(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,setData:function(e,n){var o="";pe.length&&ue===t?pe.forEach(function(t,e){o+=(e?", ":"")+t.textContent}):o=n.textContent,e.setData("Text",o)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){var e=t.dragEl;fe=e},delayEnded:function(){this.isMultiDrag=~pe.indexOf(fe)},setupClone:function(t){var e=t.sortable,n=t.cancel;if(this.isMultiDrag){for(var o=0;o<pe.length;o++)ve.push(B(pe[o])),ve[o].sortableIndex=pe[o].sortableIndex,ve[o].draggable=!1,ve[o].style["will-change"]="",_(ve[o],this.options.selectedClass,!1),pe[o]===fe&&_(ve[o],this.options.chosenClass,!1);e._hideClone(),n()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,r=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||pe.length&&ue===e&&(we(!0,n),o("clone"),r()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,o=t.cancel;this.isMultiDrag&&(we(!1,n),ve.forEach(function(t){D(t,"display","")}),e(),he=!1,o())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),o=t.cancel;this.isMultiDrag&&(ve.forEach(function(t){D(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),he=!0,o())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&ue&&ue.multiDrag._deselectMultiDrag(),pe.forEach(function(t){t.sortableIndex=j(t)}),pe=pe.sort(function(t,e){return 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&&D(t,"position","absolute")});var o=M(fe,!1,!0,!0);pe.forEach(function(t){t!==fe&&X(t,o)}),me=!0,ge=!0}n.animateAll(function(){me=!1,ge=!1,e.options.animation&&pe.forEach(function(t){$(t)}),e.options.sort&&xe()})}},dragOver:function(t){var e=t.target,n=t.completed,o=t.cancel;me&&~pe.indexOf(e)&&(n(!1),o())},revert:function(t){var e=t.fromSortable,n=t.rootEl,o=t.sortable,r=t.dragRect;pe.length>1&&(pe.forEach(function(t){o.addAnimationState({target:t,rect:me?M(t):r}),$(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(),ge=!1,l.animation&&pe.length>1&&(me||!n&&!r.options.sort&&!a)){var c=M(fe,!1,!0,!0);pe.forEach(function(t){t!==fe&&(X(t,c),i.appendChild(t))}),me=!0}if(!n)if(me||xe(),pe.length>1){var s=he;r._showClone(e),r.options.animation&&!he&&s&&ve.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,c=l||this.sortable;if(e){var s=this.options,u=o.children;if(!be)if(s.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),_(fe,s.selectedClass,!~pe.indexOf(fe)),~pe.indexOf(fe))pe.splice(pe.indexOf(fe),1),se=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&&se&&r.el.contains(se)){var f,d,h=j(se),p=j(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])||(_(u[d],s.selectedClass,!0),pe.push(u[d]),G({sortable:r,rootEl:n,name:"select",targetEl:u[d],originalEvt:e}))}else se=fe;ue=c}if(be&&this.isMultiDrag){if((o[Y].options.sort||o!==n)&&pe.length>1){var v=M(fe),g=j(fe,":not(."+this.options.selectedClass+")");if(!ge&&s.animation&&(fe.thisAnimationDuration=null),c.captureAnimationState(),!ge&&(s.animation&&(fe.fromRect=v,pe.forEach(function(t){if(t.thisAnimationDuration=null,t!==fe){var e=me?M(t):v;t.fromRect=e,c.addAnimationState({target:t,rect:e})}})),xe(),pe.forEach(function(t){u[g]?o.insertBefore(t,u[g]):o.appendChild(t),g++}),a===j(fe))){var m=!1;pe.forEach(function(t){t.sortableIndex===j(t)||(m=!0)}),m&&i("update")}pe.forEach(function(t){$(t)}),c.animateAll()}ue=c}(n===o||l&&"clone"!==l.lastPutMode)&&ve.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=be=!1,ve.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(!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];_(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),_(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&&(_(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?j(o,":not(."+t.options.selectedClass+")"):j(o),n.push({multiDragElement:o,index:r})}),{items:c(pe),clones:[].concat(ve),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){ve.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)})}Xt.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=zt=Gt=te=Qt=Kt=qt=null,Zt.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||Qt&&o===Kt&&r===qt||(Qt&&ne(),Qt=setInterval(function(){var i=k(document.elementFromPoint(o,r),!0);i!==a&&(a=i,ee()),re(t,n.options,i,e)},10),Kt=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})}),Xt.mount(le,ae),e.default=Xt}}]);