@timluo465/sortablejs/Sortable.min.js

JavaScript library for reorderable drag-and-drop lists on modern browsers and touch devices. No jQuery required. Supports Meteor, AngularJS, React, Polymer, Vue, Knockout and any CSS library, e.g. Bootstrap.

/*! Sortable 1.0.0 - MIT | git://github.com/TimLuo465/Sortable.git */
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e=this.options,n=e.fallbackTolerance,o=e.fallbackOffset,i=t.touches?t.touches[0]:t,r=V&&m(V),a=V&&r&&r.a,l=V&&r&&r.d,s=Dt&&ft&&D(ft),c=(i.clientX-lt.clientX+o.x)/(a||1)+(s?s[0]-wt[0]:0)/(a||1),u=(i.clientY-lt.clientY+o.y)/(l||1)+(s?s[1]-wt[1]:0)/(l||1),d=t.touches?"translate3d("+c+"px,"+u+"px,0)":"translate("+c+"px,"+u+"px)";if(!It.active&&!pt){if(n&&Math.max(Math.abs(i.clientX-this._lastX),Math.abs(i.clientY-this._lastY))<n)return;this._onDragStart(t,!0)}st=i,R(V,"webkitTransform",d),R(V,"mozTransform",d),R(V,"msTransform",d),R(V,"transform",d),t.cancelable&&t.preventDefault()}},_appendGhost:function(){if(!V){var 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n=this,o=t.dataTransfer,i=n.options;z("dragStart",this,{evt:t}),It.eventCanceled?this._onDrop():(z("setupClone",this),It.eventCanceled||((J=C(U)).draggable=!1,J.style["will-change"]="",this._hideClone(),k(J,this.options.chosenClass,!1),It.clone=J),n.cloneId=Yt(function(){z("clone",n),It.eventCanceled||(n.options.removeCloneOnHide||Z.insertBefore(J,U),n._hideClone(),G({sortable:n,name:"clone"}))}),e||k(U,i.dragClass,!0),e?(gt=!0,n._loopId=setInterval(n._emulateDragOver,50)):(f(document,"mouseup",n._onDrop),f(document,"touchend",n._onDrop),f(document,"touchcancel",n._onDrop),o&&(o.effectAllowed="move",i.setData&&i.setData.call(n,o,U)),h(document,"drop",n),R(U,"transform","translateZ(0)")),pt=!0,n._dragStartId=Yt(n._dragStarted.bind(n,e,t)),h(document,"selectstart",n),ct=!0,c&&R(document.body,"user-select","none"))},_onDragOver:function(n){var o,i,r,a,l=this.el,s=n.target,e=this.options,t=e.group,c=It.active,u=rt===t,d=e.sort,h=at||c,f=this,p=!1;if(!yt){if(void 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t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||Xt(t));return e},sort:function(t){var o={},i=this.el;this.toArray().forEach(function(t,e){var n=i.children[e];P(n,this.options.draggable,i,!1)&&(o[t]=n)},this),t.forEach(function(t){o[t]&&(i.removeChild(o[t]),i.appendChild(o[t]))})},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(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=K.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&Tt(n)},destroy:function(){z("destroy",this);var 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e=t.originalEvent;this.sortable.nativeDraggable?h(document,"dragover",this._handleAutoScroll):this.sortable.options.supportPointer?h(document,"pointermove",this._handleFallbackAutoScroll):e.touches?h(document,"touchmove",this._handleFallbackAutoScroll):h(document,"mousemove",this._handleFallbackAutoScroll)},dragOverCompleted:function(t){var e=t.originalEvent;this.sortable.options.dragOverBubble||e.rootEl||this._handleAutoScroll(e)},drop:function(){this.sortable.nativeDraggable?f(document,"dragover",this._handleAutoScroll):(f(document,"pointermove",this._handleFallbackAutoScroll),f(document,"touchmove",this._handleFallbackAutoScroll),f(document,"mousemove",this._handleFallbackAutoScroll)),qt(),Ut(),clearTimeout(g),g=void 0},nulling:function(){Kt=jt=Ft=Gt=Wt=Ht=Lt=null,zt.length=0},_handleFallbackAutoScroll:function(t){this._handleAutoScroll(t,!0)},_handleAutoScroll:function(e,n){var o=this,i=e.clientX,r=e.clientY,t=document.elementFromPoint(i,r);if(Kt=e,n||E||y||c){Qt(e,this.sortable.options,t,n);var a=A(t,!0);!Gt||Wt&&i===Ht&&r===Lt||(Wt&&qt(),Wt=setInterval(function(){var t=A(document.elementFromPoint(i,r),!0);t!==a&&(a=t,Ut()),Qt(e,o.sortable.options,t,n)},10),Ht=i,Lt=r)}else{if(!this.sortable.options.bubbleScroll||A(t,!0)===M())return void Ut();Qt(e,this.sortable.options,A(t,!1),!1)}}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),It.mount(Jt,$t),It.mount(new function(){function t(){this.options={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){var e=t.dragEl;Zt=e},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed;if(i.options.swap){var a=this.sortable.el,l=this.sortable.options;if(n&&n!==a){var s=Zt;Zt=!1!==o(n)?(k(n,l.swapClass,!0),n):null,s&&s!==Zt&&k(s,l.swapClass,!1)}return r(),e(!0)}},drop:function(t){var e=t.activeSortable,n=t.putSortable,o=t.dragEl,i=n||this.sortable,r=this.sortable.options;Zt&&k(Zt,r.swapClass,!1),Zt&&(r.swap||n&&n.options.swap)&&o!==Zt&&(i.captureAnimationState(),i!==e&&e.captureAnimationState(),function(t,e){var n,o,i=t.parentNode,r=e.parentNode;if(!i||!r||i.isEqualNode(e)||r.isEqualNode(t))return;n=F(t),o=F(e),i.isEqualNode(r)&&n<o&&o++;i.insertBefore(e,i.children[n]),r.insertBefore(t,r.children[o])}(o,Zt),i.animateAll(),i!==e&&e.animateAll())},nulling:function(){Zt=null}},a(t,{pluginName:"swap",eventOptions:function(){return{swapItem:Zt}}})}),It.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag)),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.options={selectedClass:"sortable-selected",multiDragKey:null,setData:function(t,e){var n="";re.length&&ee===o?re.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){var e=t.dragEl;ne=e},delayEnded:function(){this.isMultiDrag=~re.indexOf(ne)},setupClone:function(t){var e=t.sortable;if(this.isMultiDrag){for(var n=0;n<re.length;n++)ae.push(C(re[n])),ae[n].sortableIndex=re[n].sortableIndex,ae[n].draggable=!1,ae[n].style["will-change"]="",k(ae[n],e.options.selectedClass,!1),re[n]===ne&&k(ae[n],e.options.chosenClass,!1);return e._hideClone(),!0}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent;if(this.isMultiDrag)return!e.options.removeCloneOnHide&&re.length&&ee===e?(ue(!0,n),o("clone"),!0):void 0},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl;if(this.isMultiDrag)return ue(!1,n),ae.forEach(function(t){R(t,"display","")}),e(),!(ie=!1)},hideClone:function(t){var e=t.sortable,n=t.cloneNowHidden;if(this.isMultiDrag)return ae.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ie=!0},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&ee&&ee.multiDrag._deselectMultiDrag(),re.forEach(function(t){t.sortableIndex=F(t)}),re=re.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),ce=!0},dragStarted:function(t){var e=t.sortable;if(this.isMultiDrag){if(e.options.sort&&(e.captureAnimationState(),e.options.animation)){re.forEach(function(t){t!==ne&&R(t,"position","absolute")});var n=X(ne,!1,!0,!0);re.forEach(function(t){t!==ne&&O(t,n)}),le=se=!0}e.animateAll(function(){le=se=!1,e.options.animation&&re.forEach(function(t){T(t)}),e.options.sort&&de()})}},dragOver:function(t){var e=t.target,n=t.completed;if(se&&~re.indexOf(e))return n(!1)},revert:function(t){var e=t.fromSortable,n=t.rootEl,o=t.sortable,r=t.dragRect;1<re.length&&(re.forEach(function(t){o.addAnimationState({target:t,rect:se?X(t):r}),T(t),t.fromRect=r,e.removeAnimationState(t)}),se=!1,function(n,o){re.forEach(function(t){var e=o.children[t.sortableIndex+(n?Number(i):0)];e?o.insertBefore(t,e):o.appendChild(t)})}(!o.options.removeCloneOnHide,n))},dragOverCompleted:function(t){var e=t.sortable,n=t.isOwner,o=t.insertion,i=t.activeSortable,r=t.parentEl,a=t.putSortable,l=e.options;if(o){if(n&&i._hideClone(),le=!1,l.animation&&1<re.length&&(se||!n&&!i.options.sort&&!a)){var s=X(ne,!1,!0,!0);re.forEach(function(t){t!==ne&&(O(t,s),r.appendChild(t))}),se=!0}if(!n)if(se||de(),1<re.length){var c=ie;i._showClone(e),i.options.animation&&!ie&&c&&ae.forEach(function(t){i.addAnimationState({target:t,rect:oe}),t.fromRect=oe,t.thisAnimationDuration=null})}else i._showClone(e)}},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,o=t.activeSortable;if(re.forEach(function(t){t.thisAnimationDuration=null}),o.options.animation&&!n&&o.multiDrag.isMultiDrag){oe=a({},e);var i=m(ne,!0);oe.top-=i.f,oe.left-=i.e}},dragOverAnimationComplete:function(){se&&(se=!1,de())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c=i.options,u=o.children;if(!ce)if(c.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(ne,c.selectedClass,!~re.indexOf(ne)),~re.indexOf(ne))re.splice(re.indexOf(ne),1),te=null,W({sortable:i,rootEl:n,name:"deselect",targetEl:ne,originalEvt:e});else{if(re.push(ne),W({sortable:i,rootEl:n,name:"select",targetEl:ne,originalEvt:e}),(!c.multiDragKey||this.multiDragKeyDown)&&e.shiftKey&&te&&i.el.contains(te)){var d,h,f=F(te),p=F(ne);if(~f&&~p&&f!==p)for(d=f<p?(h=f,p):(h=p,f+1);h<d;h++)~re.indexOf(u[h])||(k(u[h],c.selectedClass,!0),re.push(u[h]),W({sortable:i,rootEl:n,name:"select",targetEl:u[h],originalEvt:e}))}else te=ne;ee=s}if(ce&&this.isMultiDrag){if((o[H].options.sort||o!==n)&&1<re.length){var g=X(ne),v=F(ne,":not(."+i.options.selectedClass+")");if(!le&&c.animation&&(ne.thisAnimationDuration=null),s.captureAnimationState(),!le&&(c.animation&&(ne.fromRect=g,re.forEach(function(t){if(t.thisAnimationDuration=null,t!==ne){var e=se?X(t):g;t.fromRect=e,s.addAnimationState({target:t,rect:e})}})),de(),re.forEach(function(t){u[v]?o.insertBefore(t,u[v]):o.appendChild(t),v++}),a===F(ne))){var m=!1;re.forEach(function(t){t.sortableIndex===F(t)||(m=!0)}),m&&r("update")}re.forEach(function(t){T(t)}),s.animateAll()}ee=s}(n===o||l&&"clone"!==l.lastPutMode)&&ae.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=ce=!1,ae.length=0},destroy:function(){this._deselectMultiDrag(),f(document,"pointerup",this._deselectMultiDrag),f(document,"mouseup",this._deselectMultiDrag),f(document,"touchend",this._deselectMultiDrag),f(document,"keydown",this._checkKeyDown),f(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!ce&&ee===this.sortable&&!(t&&P(t.target,this.sortable.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;re.length;){var e=re[0];k(e,this.sortable.options.selectedClass,!1),re.shift(),W({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvt:t})}},_checkKeyDown:function(t){t.key===this.sortable.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.sortable.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[H];e&&e.options.multiDrag&&!~re.indexOf(t)&&(ee&&ee!==e&&(ee.multiDrag._deselectMultiDrag(),ee=e),k(t,e.options.selectedClass,!0),re.push(t))},deselect:function(t){var e=t.parentNode[H],n=re.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),re.splice(n,1))}},eventOptions:function(){var n=this,o=[],i=[];return re.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=se&&t!==ne?-1:se?F(t,":not(."+n.options.selectedClass+")"):F(t),i.push({multiDragElement:t,index:e})}),{items:r(re),clones:[].concat(ae),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),It});