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Angular 2 - a web framework for modern web apps

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'use strict';"use strict"; var __extends = (this && this.__extends) || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) { var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d; if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc); else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r; return c > 3 && r && Object.defineProperty(target, key, r), r; }; var __metadata = (this && this.__metadata) || function (k, v) { if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v); }; var __param = (this && this.__param) || function (paramIndex, decorator) { return function (target, key) { decorator(target, key, paramIndex); } }; var async_1 = require('angular2/src/facade/async'); var collection_1 = require('angular2/src/facade/collection'); var lang_1 = require('angular2/src/facade/lang'); var core_1 = require('angular2/core'); var control_container_1 = require('./control_container'); var model_1 = require('../model'); var shared_1 = require('./shared'); var validators_1 = require('../validators'); var formDirectiveProvider = lang_1.CONST_EXPR(new core_1.Provider(control_container_1.ControlContainer, { useExisting: core_1.forwardRef(function () { return NgForm; }) })); /** * If `NgForm` is bound in a component, `<form>` elements in that component will be * upgraded to use the Angular form system. * * ### Typical Use * * Include `FORM_DIRECTIVES` in the `directives` section of a {@link View} annotation * to use `NgForm` and its associated controls. * * ### Structure * * An Angular form is a collection of `Control`s in some hierarchy. * `Control`s can be at the top level or can be organized in `ControlGroup`s * or `ControlArray`s. This hierarchy is reflected in the form's `value`, a * JSON object that mirrors the form structure. * * ### Submission * * The `ngSubmit` event signals when the user triggers a form submission. * * ### Example ([live demo](http://plnkr.co/edit/ltdgYj4P0iY64AR71EpL?p=preview)) * * ```typescript * @Component({ * selector: 'my-app', * template: ` * <div> * <p>Submit the form to see the data object Angular builds</p> * <h2>NgForm demo</h2> * <form #f="ngForm" (ngSubmit)="onSubmit(f.value)"> * <h3>Control group: credentials</h3> * <div ngControlGroup="credentials"> * <p>Login: <input type="text" ngControl="login"></p> * <p>Password: <input type="password" ngControl="password"></p> * </div> * <h3>Control group: person</h3> * <div ngControlGroup="person"> * <p>First name: <input type="text" ngControl="firstName"></p> * <p>Last name: <input type="text" ngControl="lastName"></p> * </div> * <button type="submit">Submit Form</button> * <p>Form data submitted:</p> * </form> * <pre>{{data}}</pre> * </div> * `, * directives: [CORE_DIRECTIVES, FORM_DIRECTIVES] * }) * export class App { * constructor() {} * * data: string; * * onSubmit(data) { * this.data = JSON.stringify(data, null, 2); * } * } * ``` */ var NgForm = (function (_super) { __extends(NgForm, _super); function NgForm(validators, asyncValidators) { _super.call(this); this.ngSubmit = new async_1.EventEmitter(); this.form = new model_1.ControlGroup({}, null, shared_1.composeValidators(validators), shared_1.composeAsyncValidators(asyncValidators)); } Object.defineProperty(NgForm.prototype, "formDirective", { get: function () { return this; }, enumerable: true, configurable: true }); Object.defineProperty(NgForm.prototype, "control", { get: function () { return this.form; }, enumerable: true, configurable: true }); Object.defineProperty(NgForm.prototype, "path", { get: function () { return []; }, enumerable: true, configurable: true }); Object.defineProperty(NgForm.prototype, "controls", { get: function () { return this.form.controls; }, enumerable: true, configurable: true }); NgForm.prototype.addControl = function (dir) { var _this = this; async_1.PromiseWrapper.scheduleMicrotask(function () { var container = _this._findContainer(dir.path); var ctrl = new model_1.Control(); shared_1.setUpControl(ctrl, dir); container.addControl(dir.name, ctrl); ctrl.updateValueAndValidity({ emitEvent: false }); }); }; NgForm.prototype.getControl = function (dir) { return this.form.find(dir.path); }; NgForm.prototype.removeControl = function (dir) { var _this = this; async_1.PromiseWrapper.scheduleMicrotask(function () { var container = _this._findContainer(dir.path); if (lang_1.isPresent(container)) { container.removeControl(dir.name); container.updateValueAndValidity({ emitEvent: false }); } }); }; NgForm.prototype.addControlGroup = function (dir) { var _this = this; async_1.PromiseWrapper.scheduleMicrotask(function () { var container = _this._findContainer(dir.path); var group = new model_1.ControlGroup({}); shared_1.setUpControlGroup(group, dir); container.addControl(dir.name, group); group.updateValueAndValidity({ emitEvent: false }); }); }; NgForm.prototype.removeControlGroup = function (dir) { var _this = this; async_1.PromiseWrapper.scheduleMicrotask(function () { var container = _this._findContainer(dir.path); if (lang_1.isPresent(container)) { container.removeControl(dir.name); container.updateValueAndValidity({ emitEvent: false }); } }); }; NgForm.prototype.getControlGroup = function (dir) { return this.form.find(dir.path); }; NgForm.prototype.updateModel = function (dir, value) { var _this = this; async_1.PromiseWrapper.scheduleMicrotask(function () { var ctrl = _this.form.find(dir.path); ctrl.updateValue(value); }); }; NgForm.prototype.onSubmit = function () { async_1.ObservableWrapper.callEmit(this.ngSubmit, null); return false; }; /** @internal */ NgForm.prototype._findContainer = function (path) { path.pop(); return collection_1.ListWrapper.isEmpty(path) ? this.form : this.form.find(path); }; NgForm = __decorate([ core_1.Directive({ selector: 'form:not([ngNoForm]):not([ngFormModel]),ngForm,[ngForm]', bindings: [formDirectiveProvider], host: { '(submit)': 'onSubmit()', }, outputs: ['ngSubmit'], exportAs: 'ngForm' }), __param(0, core_1.Optional()), __param(0, core_1.Self()), __param(0, core_1.Inject(validators_1.NG_VALIDATORS)), __param(1, core_1.Optional()), __param(1, core_1.Self()), __param(1, core_1.Inject(validators_1.NG_ASYNC_VALIDATORS)), __metadata('design:paramtypes', [Array, Array]) ], NgForm); return NgForm; }(control_container_1.ControlContainer)); exports.NgForm = NgForm; //# 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{\n  PromiseWrapper,\n  ObservableWrapper,\n  EventEmitter,\n  PromiseCompleter\n} from 'angular2/src/facade/async';\nimport {StringMapWrapper, ListWrapper} from 'angular2/src/facade/collection';\nimport {isPresent, isBlank, CONST_EXPR} from 'angular2/src/facade/lang';\nimport {Directive, forwardRef, Provider, Optional, Inject, Self} from 'angular2/core';\nimport {NgControl} from './ng_control';\nimport {Form} from './form_interface';\nimport {NgControlGroup} from './ng_control_group';\nimport {ControlContainer} from './control_container';\nimport {AbstractControl, ControlGroup, Control} from '../model';\nimport {setUpControl, setUpControlGroup, composeValidators, composeAsyncValidators} from './shared';\nimport {Validators, NG_VALIDATORS, NG_ASYNC_VALIDATORS} from '../validators';\n\nconst formDirectiveProvider =\n    CONST_EXPR(new Provider(ControlContainer, {useExisting: forwardRef(() => NgForm)}));\n\n/**\n * If `NgForm` is bound in a component, `<form>` elements in that component will be\n * upgraded to use the Angular form system.\n *\n * ### Typical Use\n *\n * Include `FORM_DIRECTIVES` in the `directives` section of a {@link View} annotation\n * to use `NgForm` and its associated controls.\n *\n * ### Structure\n *\n * An Angular form is a collection of `Control`s in some hierarchy.\n * `Control`s can be at the top level or can be organized in `ControlGroup`s\n * or `ControlArray`s. This hierarchy is reflected in the form's `value`, a\n * JSON object that mirrors the form structure.\n *\n * ### Submission\n *\n * The `ngSubmit` event signals when the user triggers a form submission.\n *\n * ### Example ([live demo](http://plnkr.co/edit/ltdgYj4P0iY64AR71EpL?p=preview))\n *\n *  ```typescript\n * @Component({\n *   selector: 'my-app',\n *   template: `\n *     <div>\n *       <p>Submit the form to see the data object Angular builds</p>\n *       <h2>NgForm demo</h2>\n *       <form #f=\"ngForm\" (ngSubmit)=\"onSubmit(f.value)\">\n *         <h3>Control group: credentials</h3>\n *         <div ngControlGroup=\"credentials\">\n *           <p>Login: <input type=\"text\" ngControl=\"login\"></p>\n *           <p>Password: <input type=\"password\" ngControl=\"password\"></p>\n *         </div>\n *         <h3>Control group: person</h3>\n *         <div ngControlGroup=\"person\">\n *           <p>First name: <input type=\"text\" ngControl=\"firstName\"></p>\n *           <p>Last name: <input type=\"text\" ngControl=\"lastName\"></p>\n *         </div>\n *         <button type=\"submit\">Submit Form</button>\n *       <p>Form data submitted:</p>\n *       </form>\n *       <pre>{{data}}</pre>\n *     </div>\n * `,\n *   directives: [CORE_DIRECTIVES, FORM_DIRECTIVES]\n * })\n * export class App {\n *   constructor() {}\n *\n *   data: string;\n *\n *   onSubmit(data) {\n *     this.data = JSON.stringify(data, null, 2);\n *   }\n * }\n *  ```\n */\n@Directive({\n  selector: 'form:not([ngNoForm]):not([ngFormModel]),ngForm,[ngForm]',\n  bindings: [formDirectiveProvider],\n  host: {\n    '(submit)': 'onSubmit()',\n  },\n  outputs: ['ngSubmit'],\n  exportAs: 'ngForm'\n})\nexport class NgForm extends ControlContainer implements Form {\n  form: ControlGroup;\n  ngSubmit = new EventEmitter();\n\n  constructor(@Optional() @Self() @Inject(NG_VALIDATORS) validators: any[],\n              @Optional() @Self() @Inject(NG_ASYNC_VALIDATORS) asyncValidators: any[]) {\n    super();\n    this.form = new ControlGroup({}, null, composeValidators(validators),\n                                 composeAsyncValidators(asyncValidators));\n  }\n\n  get formDirective(): Form { return this; }\n\n  get control(): ControlGroup { return this.form; }\n\n  get path(): string[] { return []; }\n\n  get controls(): {[key: string]: AbstractControl} { return this.form.controls; }\n\n  addControl(dir: NgControl): void {\n    PromiseWrapper.scheduleMicrotask(() => {\n      var container = this._findContainer(dir.path);\n      var ctrl = new Control();\n      setUpControl(ctrl, dir);\n      container.addControl(dir.name, ctrl);\n      ctrl.updateValueAndValidity({emitEvent: false});\n    });\n  }\n\n  getControl(dir: NgControl): Control { return <Control>this.form.find(dir.path); }\n\n  removeControl(dir: NgControl): void {\n    PromiseWrapper.scheduleMicrotask(() => {\n      var container = this._findContainer(dir.path);\n      if (isPresent(container)) {\n        container.removeControl(dir.name);\n        container.updateValueAndValidity({emitEvent: false});\n      }\n    });\n  }\n\n  addControlGroup(dir: NgControlGroup): void {\n    PromiseWrapper.scheduleMicrotask(() => {\n      var container = this._findContainer(dir.path);\n      var group = new ControlGroup({});\n      setUpControlGroup(group, dir);\n      container.addControl(dir.name, group);\n      group.updateValueAndValidity({emitEvent: false});\n    });\n  }\n\n  removeControlGroup(dir: NgControlGroup): void {\n    PromiseWrapper.scheduleMicrotask(() => {\n      var container = this._findContainer(dir.path);\n      if (isPresent(container)) {\n        container.removeControl(dir.name);\n        container.updateValueAndValidity({emitEvent: false});\n      }\n    });\n  }\n\n  getControlGroup(dir: NgControlGroup): ControlGroup {\n    return <ControlGroup>this.form.find(dir.path);\n  }\n\n  updateModel(dir: NgControl, value: any): void {\n    PromiseWrapper.scheduleMicrotask(() => {\n      var ctrl = <Control>this.form.find(dir.path);\n      ctrl.updateValue(value);\n    });\n  }\n\n  onSubmit(): boolean {\n    ObservableWrapper.callEmit(this.ngSubmit, null);\n    return false;\n  }\n\n  /** @internal */\n  _findContainer(path: string[]): ControlGroup {\n    path.pop();\n    return ListWrapper.isEmpty(path) ? this.form : <ControlGroup>this.form.find(path);\n  }\n}\n"]}