angular2
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Angular 2 - a web framework for modern web apps
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JavaScript
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); }
};
import { PromiseWrapper, ObservableWrapper, EventEmitter } from 'angular2/src/facade/async';
import { ListWrapper } from 'angular2/src/facade/collection';
import { isPresent, CONST_EXPR } from 'angular2/src/facade/lang';
import { Directive, forwardRef, Provider, Optional, Inject, Self } from 'angular2/core';
import { ControlContainer } from './control_container';
import { ControlGroup, Control } from '../model';
import { setUpControl, setUpControlGroup, composeValidators, composeAsyncValidators } from './shared';
import { NG_VALIDATORS, NG_ASYNC_VALIDATORS } from '../validators';
const formDirectiveProvider = CONST_EXPR(new Provider(ControlContainer, { useExisting: forwardRef(() => 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);
* }
* }
* ```
*/
export let NgForm = class NgForm extends ControlContainer {
constructor(validators, asyncValidators) {
super();
this.ngSubmit = new EventEmitter();
this.form = new ControlGroup({}, null, composeValidators(validators), composeAsyncValidators(asyncValidators));
}
get formDirective() { return this; }
get control() { return this.form; }
get path() { return []; }
get controls() { return this.form.controls; }
addControl(dir) {
PromiseWrapper.scheduleMicrotask(() => {
var container = this._findContainer(dir.path);
var ctrl = new Control();
setUpControl(ctrl, dir);
container.addControl(dir.name, ctrl);
ctrl.updateValueAndValidity({ emitEvent: false });
});
}
getControl(dir) { return this.form.find(dir.path); }
removeControl(dir) {
PromiseWrapper.scheduleMicrotask(() => {
var container = this._findContainer(dir.path);
if (isPresent(container)) {
container.removeControl(dir.name);
container.updateValueAndValidity({ emitEvent: false });
}
});
}
addControlGroup(dir) {
PromiseWrapper.scheduleMicrotask(() => {
var container = this._findContainer(dir.path);
var group = new ControlGroup({});
setUpControlGroup(group, dir);
container.addControl(dir.name, group);
group.updateValueAndValidity({ emitEvent: false });
});
}
removeControlGroup(dir) {
PromiseWrapper.scheduleMicrotask(() => {
var container = this._findContainer(dir.path);
if (isPresent(container)) {
container.removeControl(dir.name);
container.updateValueAndValidity({ emitEvent: false });
}
});
}
getControlGroup(dir) {
return this.form.find(dir.path);
}
updateModel(dir, value) {
PromiseWrapper.scheduleMicrotask(() => {
var ctrl = this.form.find(dir.path);
ctrl.updateValue(value);
});
}
onSubmit() {
ObservableWrapper.callEmit(this.ngSubmit, null);
return false;
}
/** @internal */
_findContainer(path) {
path.pop();
return ListWrapper.isEmpty(path) ? this.form : this.form.find(path);
}
};
NgForm = __decorate([
Directive({
selector: 'form:not([ngNoForm]):not([ngFormModel]),ngForm,[ngForm]',
bindings: [formDirectiveProvider],
host: {
'(submit)': 'onSubmit()',
},
outputs: ['ngSubmit'],
exportAs: 'ngForm'
}),
__param(0, Optional()),
__param(0, Self()),
__param(0, Inject(NG_VALIDATORS)),
__param(1, Optional()),
__param(1, Self()),
__param(1, Inject(NG_ASYNC_VALIDATORS)),
__metadata('design:paramtypes', [Array, Array])
], 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"]}