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  !function(t){var s;window.UIkit2&&(s=t(UIkit2)),"function"==typeof define&&define.amd&&define("uikit-nestable",["uikit"],function(){return s||t(UIkit2)})}(function(t){"use strict";var s,e="ontouchstart"in window||"MSGesture"in window||window.PointerEvent,i=t.$html,l=[],a=t.$win,n=e?"MSGesture"in window||window.PointerEvent?"pointerdown":"touchstart":"mousedown",o=e?"MSGesture"in window||window.PointerEvent?"pointermove":"touchmove":"mousemove",h=e?"MSGesture"in window||window.PointerEvent?"pointerup":"touchend":"mouseup",r=e?"MSGesture"in window||window.PointerEvent?"pointercancel":"touchcancel":"mouseup";return t.component("nestable",{defaults:{listBaseClass:"uk-nestable",listClass:"uk-nestable-list",listItemClass:"uk-nestable-item",dragClass:"uk-nestable-dragged",movingClass:"uk-nestable-moving",noChildrenClass:"uk-nestable-nochildren",emptyClass:"uk-nestable-empty",handleClass:"",collapsedClass:"uk-collapsed",placeholderClass:"uk-nestable-placeholder",noDragClass:"uk-nestable-nodrag",group:!1,maxDepth:10,threshold:20,idlethreshold:10},boot:function(){t.$html.on("mousemove touchmove",function(){if(s){var e=s.offset().top;e<t.$win.scrollTop()?t.$win.scrollTop(t.$win.scrollTop()-Math.ceil(s.height()/2)):e+s.height()>window.innerHeight+t.$win.scrollTop()&&t.$win.scrollTop(t.$win.scrollTop()+Math.ceil(s.height()/2))}}),t.ready(function(s){t.$("[data-uk-nestable]",s).each(function(){var s=t.$(this);s.data("nestable")||t.nestable(s,t.Utils.options(s.attr("data-uk-nestable")))})})},init:function(){var i=this;Object.keys(this.options).forEach(function(t){-1!=String(t).indexOf("Class")&&(i.options["_"+t]="."+i.options[t])}),this.find(this.options._listItemClass).find(">ul").addClass(this.options.listClass),this.checkEmptyList(),this.reset(),this.element.data("nestable-group",this.options.group||t.Utils.uid("nestable-group")),this.find(this.options._listItemClass).each(function(){i.setParent(t.$(this))}),this.on("click","[data-nestable-action]",function(s){if(!i.dragEl&&(e||0===s.button)){s.preventDefault();var l=t.$(s.currentTarget),a=l.data("nestableAction"),n=l.closest(i.options._listItemClass);"collapse"===a&&i.collapseItem(n),"expand"===a&&i.expandItem(n),"toggle"===a&&i.toggleItem(n)}});var l=function(s){var l=t.$(s.target),a=l.is("a[href]")?l:l.parents("a[href]");s.target!==i.element[0]&&(l.is(i.options._noDragClass)||l.closest(i.options._noDragClass).length||l.is("[data-nestable-action]")||l.closest("[data-nestable-action]").length||(i.options.handleClass&&!l.hasClass(i.options.handleClass)&&i.options.handleClass&&(l=l.closest(i.options._handleClass)),!l.length||i.dragEl||!e&&0!==s.button||e&&s.touches&&1!==s.touches.length||(s.originalEvent&&s.originalEvent.touches&&(s=evt.originalEvent.touches[0]),i.delayMove=function(t){a=!1,t.preventDefault(),i.dragStart(s),i.trigger("start.uk.nestable",[i]),i.delayMove=!1},i.delayMove.x=parseInt(s.pageX,10),i.delayMove.y=parseInt(s.pageY,10),i.delayMove.threshold=i.options.idlethreshold,a.length&&"touchend"==h&&i.one(h,function(){a&&a.attr("href").trim()&&(location.href=a.attr("href"))}),s.preventDefault())))},d=function(t){t.originalEvent&&t.originalEvent.touches&&(t=t.originalEvent.touches[0]),i.delayMove&&(Math.abs(t.pageX-i.delayMove.x)>i.delayMove.threshold||Math.abs(t.pageY-i.delayMove.y)>i.delayMove.threshold)&&(window.getSelection().toString()?i.delayMove=!1:i.delayMove(t)),i.dragEl&&(t.preventDefault(),i.dragMove(t),i.trigger("move.uk.nestable",[i]))},p=function(t){i.dragEl&&(t.preventDefault(),i.dragStop(e&&t.touches?t.touches[0]:t)),s=!1,i.delayMove=!1};e?(this.element[0].addEventListener(n,l,!1),window.addEventListener(o,d,!1),window.addEventListener(h,p,!1),window.addEventListener(r,p,!1)):(this.on(n,l),a.on(o,d),a.on(h,p))},serialize:function(){var s,e=0,i=this,l=function(s,e){var a=[],n=s.children(i.options._listItemClass);return n.each(function(){for(var s,n,o,h=t.$(this),r={},d=h.children(i.options._listClass),p=0;p<h[0].attributes.length;p++)s=h[0].attributes[p],0===s.name.indexOf("data-")&&(n=s.name.substr(5),o=t.Utils.str2json(s.value),r[n]=o||"false"==s.value||"0"==s.value?o:s.value);d.length&&(r.children=l(d,e+1)),a.push(r)}),a};return s=l(i.element,e)},list:function(s){var e=[],i=this,l=0,a=function(i,l,n){var o=i.children(s._listItemClass);o.each(function(i){var o=t.$(this),h=t.$.extend({parent_id:n?n:null,depth:l,order:i},o.data()),r=o.children(s._listClass);e.push(h),r.length&&a(r,l+1,o.data(s.idProperty||"id"))})};return s=t.$.extend({},i.options,s),a(i.element,l),e},reset:function(){this.mouse={offsetX:0,offsetY:0,startX:0,startY:0,lastX:0,lastY:0,nowX:0,nowY:0,distX:0,distY:0,dirAx:0,dirX:0,dirY:0,lastDirX:0,lastDirY:0,distAxX:0,distAxY:0},this.moving=!1,this.dragEl=null,this.dragRootEl=null,this.dragDepth=0,this.hasNewRoot=!1,this.pointEl=null;for(var t=0;t<l.length;t++)this.checkEmptyList(l[t]);l=[]},toggleItem:function(t){this[t.hasClass(this.options.collapsedClass)?"expandItem":"collapseItem"](t)},expandItem:function(t){t.removeClass(this.options.collapsedClass)},collapseItem:function(t){var s=t.children(this.options._listClass);s.length&&t.addClass(this.options.collapsedClass)},expandAll:function(){var s=this;this.find(s.options._listItemClass).each(function(){s.expandItem(t.$(this))})},collapseAll:function(){var s=this;this.find(s.options._listItemClass).each(function(){s.collapseItem(t.$(this))})},setParent:function(t){t.children(this.options._listClass).length&&t.addClass("uk-parent")},unsetParent:function(t){t.removeClass("uk-parent "+this.options.collapsedClass),t.children(this.options._listClass).remove()},dragStart:function(e){var l=this.mouse,a=t.$(e.target),n=a.closest(this.options._listItemClass),o=n.offset();this.placeEl=n,l.offsetX=e.pageX-o.left,l.offsetY=e.pageY-o.top,l.startX=l.lastX=o.left,l.startY=l.lastY=o.top,this.dragRootEl=this.element,this.dragEl=t.$("<ul></ul>").addClass(this.options.listClass+" "+this.options.dragClass).append(n.clone()),this.dragEl.css("width",n.width()),this.placeEl.addClass(this.options.placeholderClass),s=this.dragEl,this.tmpDragOnSiblings=[n[0].previousSibling,n[0].nextSibling],t.$body.append(this.dragEl),this.dragEl.css({left:o.left,top:o.top});var h,r,d=this.dragEl.find(this.options._listItemClass);for(h=0;h<d.length;h++)r=t.$(d[h]).parents(this.options._listClass+","+this.options._listBaseClass).length,r>this.dragDepth&&(this.dragDepth=r);i.addClass(this.options.movingClass)},dragStop:function(){var s=t.$(this.placeEl),e=this.placeEl.parents(this.options._listBaseClass+":first");this.placeEl.removeClass(this.options.placeholderClass),this.dragEl.remove(),this.element[0]!==e[0]?(e.trigger("change.uk.nestable",[e.data("nestable"),s,"added"]),this.element.trigger("change.uk.nestable",[this,s,"removed"])):this.element.trigger("change.uk.nestable",[this,s,"moved"]),this.trigger("stop.uk.nestable",[this,s]),this.reset(),i.removeClass(this.options.movingClass)},dragMove:function(s){var e,i,a,n,o,h=this.options,r=this.mouse,d=this.dragRootEl?this.dragRootEl.data("nestable").options.maxDepth:h.maxDepth;this.dragEl.css({left:s.pageX-r.offsetX,top:s.pageY-r.offsetY}),r.lastX=r.nowX,r.lastY=r.nowY,r.nowX=s.pageX,r.nowY=s.pageY,r.distX=r.nowX-r.lastX,r.distY=r.nowY-r.lastY,r.lastDirX=r.dirX,r.lastDirY=r.dirY,r.dirX=0===r.distX?0:r.distX>0?1:-1,r.dirY=0===r.distY?0:r.distY>0?1:-1;var p=Math.abs(r.distX)>Math.abs(r.distY)?1:0;if(!r.moving)return r.dirAx=p,r.moving=!0,void 0;if(r.dirAx!==p?(r.distAxX=0,r.distAxY=0):(r.distAxX+=Math.abs(r.distX),0!==r.dirX&&r.dirX!==r.lastDirX&&(r.distAxX=0),r.distAxY+=Math.abs(r.distY),0!==r.dirY&&r.dirY!==r.lastDirY&&(r.distAxY=0)),r.dirAx=p,r.dirAx&&r.distAxX>=h.threshold&&(r.distAxX=0,a=this.placeEl.prev("li"),r.distX>0&&a.length&&!a.hasClass(h.collapsedClass)&&!a.hasClass(h.noChildrenClass)&&(e=a.find(h._listClass).last(),o=this.placeEl.parents(h._listClass+","+h._listBaseClass).length,o+this.dragDepth<=d&&(e.length?(e=a.children(h._listClass).last(),e.append(this.placeEl)):(e=t.$("<ul/>").addClass(h.listClass),e.append(this.placeEl),a.append(e),this.setParent(a)))),r.distX<0&&(n=this.placeEl.next(h._listItemClass),!n.length))){var c=this.placeEl.closest([h._listBaseClass,h._listClass].join(",")),u=c.closest(h._listItemClass);u.length&&(u.after(this.placeEl),c.children().length||this.unsetParent(u))}var g=!1,f=s.pageX-(window.pageXOffset||document.scrollLeft||0),m=s.pageY-(window.pageYOffset||document.documentElement.scrollTop);if(this.pointEl=t.$(document.elementFromPoint(f,m)),h.handleClass&&this.pointEl.hasClass(h.handleClass))this.pointEl=this.pointEl.closest(h._listItemClass);else{var v=this.pointEl.closest(h._listItemClass);v.length&&(this.pointEl=v)}if(!this.placeEl.find(this.pointEl).length){if(this.pointEl.data("nestable")&&!this.pointEl.children().length)g=!0,this.checkEmptyList(this.pointEl);else if(!this.pointEl.length||!this.pointEl.hasClass(h.listItemClass))return;var C=this.element,E=this.pointEl.closest(this.options._listBaseClass),w=C[0]!=E[0];if(!r.dirAx||w||g){if(w&&h.group!==E.data("nestable-group"))return;if(l.push(C),o=this.dragDepth-1+this.pointEl.parents(h._listClass+","+h._listBaseClass).length,o>d)return;var b=s.pageY<this.pointEl.offset().top+this.pointEl.height()/2;i=this.placeEl.parent(),g?this.pointEl.append(this.placeEl):b?this.pointEl.before(this.placeEl):this.pointEl.after(this.placeEl),i.children().length||i.data("nestable")||this.unsetParent(i.parent()),this.checkEmptyList(this.dragRootEl),this.checkEmptyList(C),w&&(this.dragRootEl=E,this.hasNewRoot=this.element[0]!==this.dragRootEl[0])}}},checkEmptyList:function(s){s=s?t.$(s):this.element,this.options.emptyClass&&s[s.children().length?"removeClass":"addClass"](this.options.emptyClass)}}),t.nestable});