UNPKG

25 kBJavaScriptView Raw
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this.set(e,i.extend({},t,{unset:true}))},hasChanged:function(t){if(t==null)return!i.isEmpty(this.changed);return i.has(this.changed,t)},changedAttributes:function(t){if(!t)return this.hasChanged()?i.clone(this.changed):false;var e=this._changing?this._previousAttributes:this.attributes;var n={};var r;for(var s in t){var a=t[s];if(i.isEqual(e[s],a))continue;n[s]=a;r=true}return r?n:false},previous:function(t){if(t==null||!this._previousAttributes)return null;return this._previousAttributes[t]},previousAttributes:function(){return i.clone(this._previousAttributes)},fetch:function(t){t=i.extend({parse:true},t);var e=this;var n=t.success;t.success=function(i){var r=t.parse?e.parse(i,t):i;if(!e.set(r,t))return false;if(n)n.call(t.context,e,i,t);e.trigger("sync",e,i,t)};G(this,t);return this.sync("read",this,t)},save:function(t,e,n){var r;if(t==null||typeof t==="object"){r=t;n=e}else{(r={})[t]=e}n=i.extend({validate:true,parse:true},n);var s=n.wait;if(r&&!s){if(!this.set(r,n))return 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t.replace(/[^\/]$/,"$&/")+encodeURIComponent(e)},parse:function(t,e){return t},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return!this.has(this.idAttribute)},isValid:function(t){return this._validate({},i.extend({},t,{validate:true}))},_validate:function(t,e){if(!e.validate||!this.validate)return true;t=i.extend({},this.attributes,t);var n=this.validationError=this.validate(t,e)||null;if(!n)return true;this.trigger("invalid",this,n,i.extend(e,{validationError:n}));return false}});var _=e.Collection=function(t,e){e||(e={});this.preinitialize.apply(this,arguments);if(e.model)this.model=e.model;if(e.comparator!==void 0)this.comparator=e.comparator;this._reset();this.initialize.apply(this,arguments);if(t)this.reset(t,i.extend({silent:true},e))};var y={add:true,remove:true,merge:true};var b={add:true,remove:false};var x=function(t,e,i){i=Math.min(Math.max(i,0),t.length);var n=Array(t.length-i);var r=e.length;var s;for(s=0;s<n.length;s++)n[s]=t[s+i];for(s=0;s<r;s++)t[s+i]=e[s];for(s=0;s<n.length;s++)t[s+r+i]=n[s]};i.extend(_.prototype,a,{model:m,preinitialize:function(){},initialize:function(){},toJSON:function(t){return this.map(function(e){return e.toJSON(t)})},sync:function(){return e.sync.apply(this,arguments)},add:function(t,e){return this.set(t,i.extend({merge:false},e,b))},remove:function(t,e){e=i.extend({},e);var n=!i.isArray(t);t=n?[t]:t.slice();var r=this._removeModels(t,e);if(!e.silent&&r.length){e.changes={added:[],merged:[],removed:r};this.trigger("update",this,e)}return n?r[0]:r},set:function(t,e){if(t==null)return;e=i.extend({},y,e);if(e.parse&&!this._isModel(t)){t=this.parse(t,e)||[]}var n=!i.isArray(t);t=n?[t]:t.slice();var r=e.at;if(r!=null)r=+r;if(r>this.length)r=this.length;if(r<0)r+=this.length+1;var s=[];var a=[];var o=[];var h=[];var u={};var l=e.add;var c=e.merge;var f=e.remove;var d=false;var v=this.comparator&&r==null&&e.sort!==false;var p=i.isString(this.comparator)?this.comparator:null;var g,m;for(m=0;m<t.length;m++){g=t[m];var _=this.get(g);if(_){if(c&&g!==_){var b=this._isModel(g)?g.attributes:g;if(e.parse)b=_.parse(b,e);_.set(b,e);o.push(_);if(v&&!d)d=_.hasChanged(p)}if(!u[_.cid]){u[_.cid]=true;s.push(_)}t[m]=_}else if(l){g=t[m]=this._prepareModel(g,e);if(g){a.push(g);this._addReference(g,e);u[g.cid]=true;s.push(g)}}}if(f){for(m=0;m<this.length;m++){g=this.models[m];if(!u[g.cid])h.push(g)}if(h.length)this._removeModels(h,e)}var w=false;var E=!v&&l&&f;if(s.length&&E){w=this.length!==s.length||i.some(this.models,function(t,e){return t!==s[e]});this.models.length=0;x(this.models,s,0);this.length=this.models.length}else if(a.length){if(v)d=true;x(this.models,a,r==null?this.length:r);this.length=this.models.length}if(d)this.sort({silent:true});if(!e.silent){for(m=0;m<a.length;m++){if(r!=null)e.index=r+m;g=a[m];g.trigger("add",g,this,e)}if(d||w)this.trigger("sort",this,e);if(a.length||h.length||o.length){e.changes={added:a,removed:h,merged:o};this.trigger("update",this,e)}}return n?t[0]:t},reset:function(t,e){e=e?i.clone(e):{};for(var n=0;n<this.models.length;n++){this._removeReference(this.models[n],e)}e.previousModels=this.models;this._reset();t=this.add(t,i.extend({silent:true},e));if(!e.silent)this.trigger("reset",this,e);return t},push:function(t,e){return this.add(t,i.extend({at:this.length},e))},pop:function(t){var e=this.at(this.length-1);return this.remove(e,t)},unshift:function(t,e){return this.add(t,i.extend({at:0},e))},shift:function(t){var e=this.at(0);return this.remove(e,t)},slice:function(){return s.apply(this.models,arguments)},get:function(t){if(t==null)return void 0;return this._byId[t]||this._byId[this.modelId(this._isModel(t)?t.attributes:t)]||t.cid&&this._byId[t.cid]},has:function(t){return this.get(t)!=null},at:function(t){if(t<0)t+=this.length;return this.models[t]},where:function(t,e){return this[e?"find":"filter"](t)},findWhere:function(t){return this.where(t,true)},sort:function(t){var e=this.comparator;if(!e)throw new Error("Cannot sort a set without a comparator");t||(t={});var n=e.length;if(i.isFunction(e))e=e.bind(this);if(n===1||i.isString(e)){this.models=this.sortBy(e)}else{this.models.sort(e)}if(!t.silent)this.trigger("sort",this,t);return this},pluck:function(t){return this.map(t+"")},fetch:function(t){t=i.extend({parse:true},t);var e=t.success;var n=this;t.success=function(i){var r=t.reset?"reset":"set";n[r](i,t);if(e)e.call(t.context,n,i,t);n.trigger("sync",n,i,t)};G(this,t);return this.sync("read",this,t)},create:function(t,e){e=e?i.clone(e):{};var n=e.wait;t=this._prepareModel(t,e);if(!t)return false;if(!n)this.add(t,e);var r=this;var s=e.success;e.success=function(t,e,i){if(n)r.add(t,i);if(s)s.call(i.context,t,e,i)};t.save(null,e);return t},parse:function(t,e){return t},clone:function(){return new this.constructor(this.models,{model:this.model,comparator:this.comparator})},modelId:function(t){return t[this.model.prototype.idAttribute||"id"]},values:function(){return new E(this,k)},keys:function(){return new E(this,I)},entries:function(){return new E(this,S)},_reset:function(){this.length=0;this.models=[];this._byId={}},_prepareModel:function(t,e){if(this._isModel(t)){if(!t.collection)t.collection=this;return t}e=e?i.clone(e):{};e.collection=this;var n=new this.model(t,e);if(!n.validationError)return n;this.trigger("invalid",this,n.validationError,e);return false},_removeModels:function(t,e){var i=[];for(var n=0;n<t.length;n++){var r=this.get(t[n]);if(!r)continue;var s=this.indexOf(r);this.models.splice(s,1);this.length--;delete this._byId[r.cid];var a=this.modelId(r.attributes);if(a!=null)delete this._byId[a];if(!e.silent){e.index=s;r.trigger("remove",r,this,e)}i.push(r);this._removeReference(r,e)}return i},_isModel:function(t){return t instanceof m},_addReference:function(t,e){this._byId[t.cid]=t;var i=this.modelId(t.attributes);if(i!=null)this._byId[i]=t;t.on("all",this._onModelEvent,this)},_removeReference:function(t,e){delete this._byId[t.cid];var i=this.modelId(t.attributes);if(i!=null)delete this._byId[i];if(this===t.collection)delete t.collection;t.off("all",this._onModelEvent,this)},_onModelEvent:function(t,e,i,n){if(e){if((t==="add"||t==="remove")&&i!==this)return;if(t==="destroy")this.remove(e,n);if(t==="change"){var r=this.modelId(e.previousAttributes());var s=this.modelId(e.attributes);if(r!==s){if(r!=null)delete this._byId[r];if(s!=null)this._byId[s]=e}}}this.trigger.apply(this,arguments)}});var w=typeof Symbol==="function"&&Symbol.iterator;if(w){_.prototype[w]=_.prototype.values}var E=function(t,e){this._collection=t;this._kind=e;this._index=0};var k=1;var I=2;var S=3;if(w){E.prototype[w]=function(){return this}}E.prototype.next=function(){if(this._collection){if(this._index<this._collection.length){var t=this._collection.at(this._index);this._index++;var e;if(this._kind===k){e=t}else{var i=this._collection.modelId(t.attributes);if(this._kind===I){e=i}else{e=[i,t]}}return{value:e,done:false}}this._collection=void 0}return{value:void 0,done:true}};var T=e.View=function(t){this.cid=i.uniqueId("view");this.preinitialize.apply(this,arguments);i.extend(this,i.pick(t,H));this._ensureElement();this.initialize.apply(this,arguments)};var P=/^(\S+)\s*(.*)$/;var H=["model","collection","el","id","attributes","className","tagName","events"];i.extend(T.prototype,a,{tagName:"div",$:function(t){return this.$el.find(t)},preinitialize:function(){},initialize:function(){},render:function(){return this},remove:function(){this._removeElement();this.stopListening();return this},_removeElement:function(){this.$el.remove()},setElement:function(t){this.undelegateEvents();this._setElement(t);this.delegateEvents();return this},_setElement:function(t){this.$el=t instanceof e.$?t:e.$(t);this.el=this.$el[0]},delegateEvents:function(t){t||(t=i.result(this,"events"));if(!t)return this;this.undelegateEvents();for(var e in t){var n=t[e];if(!i.isFunction(n))n=this[n];if(!n)continue;var r=e.match(P);this.delegate(r[1],r[2],n.bind(this))}return this},delegate:function(t,e,i){this.$el.on(t+".delegateEvents"+this.cid,e,i);return this},undelegateEvents:function(){if(this.$el)this.$el.off(".delegateEvents"+this.cid);return this},undelegate:function(t,e,i){this.$el.off(t+".delegateEvents"+this.cid,e,i);return this},_createElement:function(t){return document.createElement(t)},_ensureElement:function(){if(!this.el){var t=i.extend({},i.result(this,"attributes"));if(this.id)t.id=i.result(this,"id");if(this.className)t["class"]=i.result(this,"className");this.setElement(this._createElement(i.result(this,"tagName")));this._setAttributes(t)}else{this.setElement(i.result(this,"el"))}},_setAttributes:function(t){this.$el.attr(t)}});var $=function(t,e,i,n){switch(e){case 1:return function(){return t[i](this[n])};case 2:return function(e){return t[i](this[n],e)};case 3:return function(e,r){return t[i](this[n],C(e,this),r)};case 4:return function(e,r,s){return t[i](this[n],C(e,this),r,s)};default:return function(){var e=s.call(arguments);e.unshift(this[n]);return t[i].apply(t,e)}}};var A=function(t,e,n,r){i.each(n,function(i,n){if(e[n])t.prototype[n]=$(e,i,n,r)})};var C=function(t,e){if(i.isFunction(t))return t;if(i.isObject(t)&&!e._isModel(t))return R(t);if(i.isString(t))return function(e){return e.get(t)};return t};var R=function(t){var e=i.matches(t);return function(t){return e(t.attributes)}};var M={forEach:3,each:3,map:3,collect:3,reduce:0,foldl:0,inject:0,reduceRight:0,foldr:0,find:3,detect:3,filter:3,select:3,reject:3,every:3,all:3,some:3,any:3,include:3,includes:3,contains:3,invoke:0,max:3,min:3,toArray:1,size:1,first:3,head:3,take:3,initial:3,rest:3,tail:3,drop:3,last:3,without:0,difference:0,indexOf:3,shuffle:1,lastIndexOf:3,isEmpty:1,chain:1,sample:3,partition:3,groupBy:3,countBy:3,sortBy:3,indexBy:3,findIndex:3,findLastIndex:3};var N={keys:1,values:1,pairs:1,invert:1,pick:0,omit:0,chain:1,isEmpty:1};i.each([[_,M,"models"],[m,N,"attributes"]],function(t){var e=t[0],n=t[1],r=t[2];e.mixin=function(t){var n=i.reduce(i.functions(t),function(t,e){t[e]=0;return t},{});A(e,t,n,r)};A(e,i,n,r)});e.sync=function(t,n,r){var s=j[t];i.defaults(r||(r={}),{emulateHTTP:e.emulateHTTP,emulateJSON:e.emulateJSON});var 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