/**
 * Implementing Drag and Drop functionality in AngularJS is easier than ever.
 * Demo: http://codef0rmer.github.com/angular-dragdrop/
 * 
 * @version 1.0.3
 *
 * (c) 2013 Amit Gharat a.k.a codef0rmer <amit.2006.it@gmail.com> - amitgharat.wordpress.com
 */
var jqyoui=angular.module("ngDragDrop",[]).service("ngDragDropService",["$timeout","$parse",function($timeout,$parse){this.callEventCallback=function(scope,callbackName,event,ui){if(!callbackName){return}var args=[event,ui];var match=callbackName.match(/^(.+)\((.+)\)$/);if(match!==null){callbackName=match[1];values=eval("["+match[0].replace(/^(.+)\(/,"").replace(/\)/,"")+"]");args.push.apply(args,values)}scope[callbackName].apply(scope,args)};this.invokeDrop=function(e,t,n,r){var i="",s="",o={},u={},a=null,f={},l={},c,h,p=null,d=t.scope(),v=e.scope();i=e.attr("ng-model");s=t.attr("ng-model");c=v.$eval(i);h=d.$eval(s);p=t.find("[jqyoui-draggable]:last");u=d.$eval(t.attr("jqyoui-droppable"))||[];o=v.$eval(e.attr("jqyoui-draggable"))||[];o.index=this.fixIndex(v,o,c);u.index=this.fixIndex(d,u,h);a=angular.isArray(c)?o.index:null;f=angular.isArray(c)?c[a]:c;if(angular.isArray(h)&&u&&u.index!==undefined){l=h[u.index]}else if(!angular.isArray(h)){l=h}else{l={}}if(o.animate===true){this.move(e,p.length>0?p:t,null,"fast",u,null);this.move(p.length>0&&!u.multiple?p:[],e.parent("[jqyoui-droppable]"),jqyoui.startXY,"fast",u,function(){$timeout(function(){e.css({position:"relative",left:"",top:""});p.css({position:"relative",left:"",top:""});this.mutateDraggable(v,u,o,i,s,l,e);this.mutateDroppable(d,u,o,s,f,a);this.callEventCallback(d,u.onDrop,n,r)}.bind(this))}.bind(this))}else{$timeout(function(){this.mutateDraggable(v,u,o,i,s,l,e);this.mutateDroppable(d,u,o,s,f,a);this.callEventCallback(d,u.onDrop,n,r)}.bind(this))}};this.move=function(e,t,n,r,i,s){if(e.length===0){if(s){window.setTimeout(function(){s()},300)}return false}var o=9999,u=e.offset(),a=t&&t.is(":visible");if(n===null&&t.length>0){if(t.attr("jqyoui-draggable")!==undefined&&t.attr("ng-model")!==undefined&&t.is(":visible")&&i&&i.multiple){n=t.offset();if(i.stack===false){n.left+=t.outerWidth(true)}else{n.top+=t.outerHeight(true)}}else{n=t.css({visibility:"hidden",display:"block"}).offset();t.css({visibility:"",display:a?"":"none"})}}e.css({position:"absolute","z-index":o}).css(u).animate(n,r,function(){if(s)s()})};this.mutateDroppable=function(e,t,n,r,i,s){var o=e.$eval(r);e.__dragItem=i;if(angular.isArray(o)){if(t&&t.index>=0){o[t.index]=i}else{o.push(i)}if(n&&n.placeholder===true){o[o.length-1]["jqyoui_pos"]=s}}else{$parse(r+" = __dragItem")(e);if(n&&n.placeholder===true){o["jqyoui_pos"]=s}}};this.mutateDraggable=function(e,t,n,r,i,s,o){var u=angular.equals(angular.copy(s),{}),a=e.$eval(r);e.__dropItem=s;if(n&&n.placeholder){if(n.placeholder!="keep"){if(angular.isArray(a)&&n.index!==undefined){a[n.index]=s}else{$parse(r+" = __dropItem")(e)}}}else{if(angular.isArray(a)){if(u){if(n&&n.placeholder!==true&&n.placeholder!=="keep"){a.splice(n.index,1)}}else{a[n.index]=s}}else{$parse(r+" = __dropItem")(e);if(e.$parent){$parse(r+" = __dropItem")(e.$parent)}}}o.css({"z-index":"",left:"",top:""})};this.fixIndex=function(e,t,n){if(t.applyFilter&&angular.isArray(n)&&n.length>0){var r=e[t.applyFilter](),i=r[t.index],s=undefined;n.forEach(function(e,t){if(angular.equals(e,i)){s=t}});return s}return t.index}}]).directive("jqyouiDraggable",["ngDragDropService",function(e){return{require:"?jqyouiDroppable",restrict:"A",link:function(t,n,r){var i,s;var o=function(o,u){if(o){i=t.$eval(n.attr("jqyoui-draggable"))||[];n.draggable({disabled:false}).draggable(t.$eval(r.jqyouiOptions)||{}).draggable({start:function(n,r){s=angular.element(this).css("z-index");angular.element(this).css("z-index",99999);jqyoui.startXY=angular.element(this).offset();e.callEventCallback(t,i.onStart,n,r)},stop:function(n,r){angular.element(this).css("z-index",s);e.callEventCallback(t,i.onStop,n,r)},drag:function(n,r){e.callEventCallback(t,i.onDrag,n,r)}})}else{n.draggable({disabled:true})}};t.$watch(function(){return t.$eval(r.drag)},o);o()}}}]).directive("jqyouiDroppable",["ngDragDropService",function(e){return{restrict:"A",priority:1,link:function(t,n,r){var i=function(i,s){if(i){n.droppable({disabled:false}).droppable(t.$eval(r.jqyouiOptions)||{}).droppable({over:function(n,r){var i=t.$eval(angular.element(this).attr("jqyoui-droppable"))||[];e.callEventCallback(t,i.onOver,n,r)},out:function(n,r){var i=t.$eval(angular.element(this).attr("jqyoui-droppable"))||[];e.callEventCallback(t,i.onOut,n,r)},drop:function(t,n){e.invokeDrop(angular.element(n.draggable),angular.element(this),t,n)}})}else{n.droppable({disabled:true})}};t.$watch(function(){return t.$eval(r.drop)},i);i()}}}])