Component-Builder-fork/media/uikit/js/components/nestable.min.js

/*! UIkit 2.21.0 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
!function(t){var s;window.UIkit&&(s=t(UIkit)),"function"==typeof define&&define.amd&&define("uikit-nestable",["uikit"],function(){return s||t(UIkit)})}(function(t){"use strict";var s,e="ontouchstart"in window,i=t.$html,l=[],a=t.$win,n=e?"touchstart":"mousedown",o=e?"touchmove":"mousemove",h=e?"touchend":"mouseup",r=e?"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",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);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&&1!==s.touches.length||(s.originalEvent&&s.originalEvent.touches&&(s=evt.originalEvent.touches[0]),i.delayMove=function(t){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,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[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=t.$(this),o={},h=n.children(i.options._listClass),r=0;r<n[0].attributes.length;r++)s=n[0].attributes[r],0===s.name.indexOf("data-")&&(o[s.name.substr(5)]=t.Utils.str2json(s.value));h.length&&(o.children=l(h,e+1)),a.push(o)}),a};return s=l(i.element,e)},list:function(s){var e=[],i=this,l=0,a=function(i,l,n){var o=i.children(s._listItemClass);o.each(function(i){var o=t.$(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,