/**
 * angular-drag-and-drop-lists v1.4.0
 *
 * Copyright (c) 2014 Marcel Juenemann marcel@juenemann.cc
 * Copyright (c) 2014-2016 Google Inc.
 * https://github.com/marceljuenemann/angular-drag-and-drop-lists
 *
 * License: MIT
 */
angular.module("dndLists",[]).directive("dndDraggable",["$parse","$timeout","dndDropEffectWorkaround","dndDragTypeWorkaround",function(e,n,r,t){return function(a,d,o){d.attr("draggable","true"),o.dndDisableIf&&a.$watch(o.dndDisableIf,function(e){d.attr("draggable",!e)}),d.on("dragstart",function(i){return i=i.originalEvent||i,"false"==d.attr("draggable")?!0:(i.dataTransfer.setData("Text",angular.toJson(a.$eval(o.dndDraggable))),i.dataTransfer.effectAllowed=o.dndEffectAllowed||"move",d.addClass("dndDragging"),n(function(){d.addClass("dndDraggingSource")},0),r.dropEffect="none",t.isDragging=!0,t.dragType=o.dndType?a.$eval(o.dndType):void 0,i._dndHandle&&i.dataTransfer.setDragImage&&i.dataTransfer.setDragImage(d[0],0,0),e(o.dndDragstart)(a,{event:i}),void i.stopPropagation())}),d.on("dragend",function(i){i=i.originalEvent||i
var f=r.dropEffect
a.$apply(function(){switch(f){case"move":e(o.dndMoved)(a,{event:i})
break
case"copy":e(o.dndCopied)(a,{event:i})
break
case"none":e(o.dndCanceled)(a,{event:i})}e(o.dndDragend)(a,{event:i,dropEffect:f})}),d.removeClass("dndDragging"),n(function(){d.removeClass("dndDraggingSource")},0),t.isDragging=!1,i.stopPropagation()}),d.on("click",function(n){o.dndSelected&&(n=n.originalEvent||n,a.$apply(function(){e(o.dndSelected)(a,{event:n})}),n.stopPropagation())}),d.on("selectstart",function(){this.dragDrop&&this.dragDrop()})}}]).directive("dndList",["$parse","$timeout","dndDropEffectWorkaround","dndDragTypeWorkaround",function(e,n,r,t){return function(a,d,o){function i(e,n,r){var t=E?e.offsetX||e.layerX:e.offsetY||e.layerY,a=E?n.offsetWidth:n.offsetHeight,d=E?n.offsetLeft:n.offsetTop
return d=r?d:0,d+a/2>t}function f(){var e
return angular.forEach(d.children(),function(n){var r=angular.element(n)
r.hasClass("dndPlaceholder")&&(e=r)}),e||angular.element("<li class='dndPlaceholder'></li>")}function l(){return Array.prototype.indexOf.call(D.children,v)}function g(e){if(!t.isDragging&&!y)return!1
if(!c(e.dataTransfer.types))return!1
if(o.dndAllowedTypes&&t.isDragging){var n=a.$eval(o.dndAllowedTypes)
if(angular.isArray(n)&&-1===n.indexOf(t.dragType))return!1}return o.dndDisableIf&&a.$eval(o.dndDisableIf)?!1:!0}function s(){return p.remove(),d.removeClass("dndDragover"),!0}function u(n,r,d,o){return e(n)(a,{event:r,index:d,item:o||void 0,external:!t.isDragging,type:t.isDragging?t.dragType:void 0})}function c(e){if(!e)return!0
for(var n=0;n<e.length;n++)if("Text"===e[n]||"text/plain"===e[n])return!0
return!1}var p=f(),v=p[0],D=d[0]
p.remove()
var E=o.dndHorizontalList&&a.$eval(o.dndHorizontalList),y=o.dndExternalSources&&a.$eval(o.dndExternalSources)
d.on("dragenter",function(e){return e=e.originalEvent||e,g(e)?void e.preventDefault():!0}),d.on("dragover",function(e){if(e=e.originalEvent||e,!g(e))return!0
if(v.parentNode!=D&&d.append(p),e.target!==D){for(var n=e.target;n.parentNode!==D&&n.parentNode;)n=n.parentNode
n.parentNode===D&&n!==v&&(i(e,n)?D.insertBefore(v,n):D.insertBefore(v,n.nextSibling))}else if(i(e,v,!0))for(;v.previousElementSibling&&(i(e,v.previousElementSibling,!0)||0===v.previousElementSibling.offsetHeight);)D.insertBefore(v,v.previousElementSibling)
else for(;v.nextElementSibling&&!i(e,v.nextElementSibling,!0);)D.insertBefore(v,v.nextElementSibling.nextElementSibling)
return o.dndDragover&&!u(o.dndDragover,e,l())?s():(d.addClass("dndDragover"),e.preventDefault(),e.stopPropagation(),!1)}),d.on("drop",function(e){if(e=e.originalEvent||e,!g(e))return!0
e.preventDefault()
var n,t=e.dataTransfer.getData("Text")||e.dataTransfer.getData("text/plain")
try{n=JSON.parse(t)}catch(d){return s()}var i=l()
return o.dndDrop&&(n=u(o.dndDrop,e,i,n),!n)?s():(n!==!0&&a.$apply(function(){a.$eval(o.dndList).splice(i,0,n)}),u(o.dndInserted,e,i,n),"none"===e.dataTransfer.dropEffect?"copy"===e.dataTransfer.effectAllowed||"move"===e.dataTransfer.effectAllowed?r.dropEffect=e.dataTransfer.effectAllowed:r.dropEffect=e.ctrlKey?"copy":"move":r.dropEffect=e.dataTransfer.dropEffect,s(),e.stopPropagation(),!1)}),d.on("dragleave",function(e){e=e.originalEvent||e,d.removeClass("dndDragover"),n(function(){d.hasClass("dndDragover")||p.remove()},100)})}}]).directive("dndNodrag",function(){return function(e,n,r){n.attr("draggable","true"),n.on("dragstart",function(e){e=e.originalEvent||e,e._dndHandle||(e.dataTransfer.types&&e.dataTransfer.types.length||e.preventDefault(),e.stopPropagation())}),n.on("dragend",function(e){e=e.originalEvent||e,e._dndHandle||e.stopPropagation()})}}).directive("dndHandle",function(){return function(e,n,r){n.attr("draggable","true"),n.on("dragstart dragend",function(e){e=e.originalEvent||e,e._dndHandle=!0})}}).factory("dndDragTypeWorkaround",function(){return{}}).factory("dndDropEffectWorkaround",function(){return{}})