(function(q,f){if("function"===typeof define&&define.amd)define(["underscore","backbone"],function(g,i){return f(q,i,g)});else if("undefined"!==typeof exports){var g=require("underscore"),i=require("backbone");f(q,i,g);"undefined"!==typeof module&&module.exports&&(module.exports=i);exports=i}else f(q,q.Backbone,q._)})(this,function(q,f,g){var i,p,t,w,n,v,D,E,k,z,F,s={};i=f.Model;p=f.Collection;t=i.prototype;n=p.prototype;w=f.Events;f.Associations={VERSION:"0.6.2"};f.Associations.scopes=[];var G=function(){return k},
A=function(a){if(!g.isString(a)||1>g.size(a))a=".";k=a;D=RegExp("[\\"+k+"\\[\\]]+","g");E=RegExp("[^\\"+k+"\\[\\]]+","g")};try{Object.defineProperty(f.Associations,"SEPARATOR",{enumerable:!0,get:G,set:A})}catch(J){}f.Associations.Many=f.Many="Many";f.Associations.One=f.One="One";f.Associations.Self=f.Self="Self";f.Associations.SEPARATOR=".";f.Associations.getSeparator=G;f.Associations.setSeparator=A;f.Associations.EVENTS_BUBBLE=!0;f.Associations.EVENTS_WILDCARD=!0;f.Associations.EVENTS_NC=!1;A();
v=f.AssociatedModel=f.Associations.AssociatedModel=i.extend({relations:void 0,_proxyCalls:void 0,constructor:function(a,c){c&&c.__parents__&&(this.parents=[c.__parents__]);i.apply(this,arguments)},on:function(a,c,d){var b=w.on.apply(this,arguments);if(f.Associations.EVENTS_NC)return b;var l=/\s+/;g.isString(a)&&a&&!l.test(a)&&c&&(l=B(a))&&(s[l]="undefined"===typeof s[l]?1:s[l]+1);return b},off:function(a,c,d){if(f.Associations.EVENTS_NC)return w.off.apply(this,arguments);var b=/\s+/,l=this._events,
e={},h=l?g.keys(l):[],m=!a&&!c&&!d,i=g.isString(a)&&!b.test(a);if(m||i)for(var b=0,j=h.length;b<j;b++)e[h[b]]=l[h[b]]?l[h[b]].length:0;var p=w.off.apply(this,arguments);if(m||i){b=0;for(j=h.length;b<j;b++)(m=B(h[b]))&&(s[m]=l[h[b]]?s[m]-(e[h[b]]-l[h[b]].length):s[m]-e[h[b]])}return p},get:function(a){var c=this.__attributes__,d=t.get.call(this,a),c=c?x(d)?d:c[a]:d;return x(c)?c:this._getAttr.apply(this,arguments)},set:function(a,c,d){var b;g.isObject(a)||null==a?(b=a,d=c):(b={},b[a]=c);a=this._set(b,
d);this._processPendingEvents();return a},_set:function(a,c){var d,b,l,e,h=this;if(!a)return this;this.__attributes__=a;for(d in a)if(b||(b={}),d.match(D)){var f=H(d);e=g.initial(f);f=f[f.length-1];e=this.get(e);e instanceof i&&(e=b[e.cid]||(b[e.cid]={model:e,data:{}}),e.data[f]=a[d])}else e=b[this.cid]||(b[this.cid]={model:this,data:{}}),e.data[d]=a[d];if(b)for(l in b)e=b[l],this._setAttr.call(e.model,e.data,c)||(h=!1);else h=this._setAttr.call(this,a,c);delete this.__attributes__;return h},_setAttr:function(a,
c){var d;c||(c={});if(c.unset)for(d in a)a[d]=void 0;this.parents=this.parents||[];this.relations&&g.each(this.relations,function(b){var d=b.key,e=b.scope||q,h=this._transformRelatedModel(b,a),m=this._transformCollectionType(b,h,a),u=g.isString(b.map)?C(b.map,e):b.map,j=this.attributes[d],k=j&&j.idAttribute,o,r,n=!1;o=b.options?g.extend({},b.options,c):c;if(a[d]){e=g.result(a,d);e=u?u.call(this,e,m?m:h):e;if(x(e))if(b.type===f.Many)j?(j._deferEvents=!0,j[o.reset?"reset":"set"](e instanceof p?e.models:
e,o),h=j):(n=!0,e instanceof p?h=e:(h=this._createCollection(m||p,b.collectionOptions||(h?{model:h}:{})),h[o.reset?"reset":"set"](e,o)));else if(b.type===f.One)b=e instanceof i?e.attributes.hasOwnProperty(k):e.hasOwnProperty(k),m=e instanceof i?e.attributes[k]:e[k],j&&b&&j.attributes[k]===m?(j._deferEvents=!0,j._set(e instanceof i?e.attributes:e,o),h=j):(n=!0,e instanceof i?h=e:(o.__parents__=this,h=new h(e,o),delete o.__parents__));else throw Error("type attribute must be specified and have the values Backbone.One or Backbone.Many");
else h=e;r=a[d]=h;if(n||r&&!r._proxyCallback)r._proxyCallback||(r._proxyCallback=function(){return f.Associations.EVENTS_BUBBLE&&this._bubbleEvent.call(this,d,r,arguments)}),r.on("all",r._proxyCallback,this)}a.hasOwnProperty(d)&&this._setupParents(a[d],this.attributes[d])},this);return t.set.call(this,a,c)},_bubbleEvent:function(a,c,d){var b=d[0].split(":"),g=b[0],e="nested-change"==d[0],h="change"===g,m=d[1],u=-1,j=c._proxyCalls,b=b[1],n=!b||-1==b.indexOf(k),o;if(!e&&(n&&(F=B(d[0])||a),f.Associations.EVENTS_NC||
s[F])){if(f.Associations.EVENTS_WILDCARD&&/\[\*\]/g.test(b))return this;if(c instanceof p&&(h||b))u=c.indexOf(z||m);this instanceof i&&(z=this);b=a+(-1!==u&&(h||b)?"["+u+"]":"")+(b?k+b:"");f.Associations.EVENTS_WILDCARD&&(o=b.replace(/\[\d+\]/g,"[*]"));e=[];e.push.apply(e,d);e[0]=g+":"+b;f.Associations.EVENTS_WILDCARD&&b!==o&&(e[0]=e[0]+" "+g+":"+o);j=c._proxyCalls=j||{};if(this._isEventAvailable.call(this,j,b))return this;j[b]=!0;h&&(this._previousAttributes[a]=c._previousAttributes,this.changed[a]=
c);this.trigger.apply(this,e);f.Associations.EVENTS_NC&&(h&&this.get(b)!=d[2])&&(a=["nested-change",b,d[1]],d[2]&&a.push(d[2]),this.trigger.apply(this,a));j&&b&&delete j[b];z=void 0;return this}},_isEventAvailable:function(a,c){return g.find(a,function(a,b){return-1!==c.indexOf(b,c.length-b.length)})},_setupParents:function(a,c){a&&(a.parents=a.parents||[],-1==g.indexOf(a.parents,this)&&a.parents.push(this));c&&(0<c.parents.length&&c!=a)&&(c.parents=g.difference(c.parents,[this]),c._proxyCallback&&
c.off("all",c._proxyCallback,this))},_createCollection:function(a,c){var c=g.defaults(c,{model:a.model}),d=new a([],g.isFunction(c)?c.call(this):c);d.parents=[this];return d},_processPendingEvents:function(){this._processedEvents||(this._processedEvents=!0,this._deferEvents=!1,g.each(this._pendingEvents,function(a){a.c.trigger.apply(a.c,a.a)}),this._pendingEvents=[],g.each(this.relations,function(a){(a=this.attributes[a.key])&&a._processPendingEvents&&a._processPendingEvents()},this),delete this._processedEvents)},
_transformRelatedModel:function(a,c){var d=a.relatedModel,b=a.scope||q;d&&!(d.prototype instanceof i)&&(d=g.isFunction(d)?d.call(this,a,c):d);d&&g.isString(d)&&(d=d===f.Self?this.constructor:C(d,b));if(a.type===f.One){if(!d)throw Error("specify a relatedModel for Backbone.One type");if(!(d.prototype instanceof f.Model))throw Error("specify an AssociatedModel or Backbone.Model for Backbone.One type");}return d},_transformCollectionType:function(a,c,d){var b=a.collectionType,l=a.scope||q;if(b&&g.isFunction(b)&&
b.prototype instanceof i)throw Error("type is of Backbone.Model. Specify derivatives of Backbone.Collection");b&&!(b.prototype instanceof p)&&(b=g.isFunction(b)?b.call(this,a,d):b);b&&g.isString(b)&&(b=C(b,l));if(b&&!b.prototype instanceof p)throw Error("collectionType must inherit from Backbone.Collection");if(a.type===f.Many&&!c&&!b)throw Error("specify either a relatedModel or collectionType");return b},trigger:function(a){this._deferEvents?(this._pendingEvents=this._pendingEvents||[],this._pendingEvents.push({c:this,
a:arguments})):t.trigger.apply(this,arguments)},toJSON:function(a){var c={},d;c[this.idAttribute]=this.id;this.visited||(this.visited=!0,c=t.toJSON.apply(this,arguments),a&&a.serialize_keys&&(c=g.pick(c,a.serialize_keys)),this.relations&&g.each(this.relations,function(b){var f=b.key,e=b.remoteKey,h=this.attributes[f],i=!b.isTransient,b=b.serialize||[],k=g.clone(a);delete c[f];i&&(b.length&&(k?k.serialize_keys=b:k={serialize_keys:b}),d=h&&h.toJSON?h.toJSON(k):h,c[e||f]=g.isArray(d)?g.compact(d):d)},
this),delete this.visited);return c},clone:function(a){return new this.constructor(this.toJSON(a))},cleanup:function(a){a=a||{};g.each(this.relations,function(a){if(a=this.attributes[a.key])a._proxyCallback&&a.off("all",a._proxyCallback,this),a.parents=g.difference(a.parents,[this])},this);!a.listen&&this.off()},destroy:function(a){var a=a?g.clone(a):{},a=g.defaults(a,{remove_references:!0,listen:!0}),c=this;if(a.remove_references&&a.wait){var d=a.success;a.success=function(b){d&&d(c,b,a);c.cleanup(a)}}var b=
t.destroy.apply(this,[a]);a.remove_references&&!a.wait&&c.cleanup(a);return b},_getAttr:function(a){var c=this,d=this.__attributes__,a=H(a),b,f;if(!(1>g.size(a))){for(f=0;f<a.length;f++){b=a[f];if(!c)break;c=c instanceof p?isNaN(b)?void 0:c.at(b):d?x(c.attributes[b])?c.attributes[b]:d[b]:c.attributes[b]}return c}}});var H=function(a){return""===a?[""]:g.isString(a)?a.match(E):a||[]},B=function(a){if(!a)return a;a=a.split(":");return 1<a.length?(a=a[a.length-1],a=a.split(k),1<a.length?a[a.length-1].split("[")[0]:
a[0].split("[")[0]):""},C=function(a,c){var d,b=[c];b.push.apply(b,f.Associations.scopes);for(var i,e=0,h=b.length;e<h;++e)if(i=b[e])if(d=g.reduce(a.split(k),function(a,b){return a[b]},i))break;return d},I=function(a,c,d){var b,f;g.find(a,function(a){if(b=g.find(a.relations,function(b){return a.get(b.key)===c},this))return f=a,!0},this);return b&&b.map?b.map.call(f,d,c):d},x=function(a){return!g.isUndefined(a)&&!g.isNull(a)},y={};g.each(["set","remove","reset"],function(a){y[a]=p.prototype[a];n[a]=
function(c,d){this.model.prototype instanceof v&&this.parents&&(arguments[0]=I(this.parents,this,c));return y[a].apply(this,arguments)}});y.trigger=n.trigger;n.trigger=function(a){this._deferEvents?(this._pendingEvents=this._pendingEvents||[],this._pendingEvents.push({c:this,a:arguments})):y.trigger.apply(this,arguments)};n._processPendingEvents=v.prototype._processPendingEvents;n.on=v.prototype.on;n.off=v.prototype.off;return f});