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) {
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") return Reflect.decorate(decorators, target, key, desc);
switch (arguments.length) {
case 2: return decorators.reduceRight(function(o, d) { return (d && d(o)) || o; }, target);
case 3: return decorators.reduceRight(function(o, d) { return (d && d(target, key)), void 0; }, void 0);
case 4: return decorators.reduceRight(function(o, d) { return (d && d(target, key, o)) || o; }, desc);
}
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { Injectable } from 'angular2/core';
import { StringMapWrapper } from 'angular2/src/facade/collection';
import { isPresent, isArray, CONST_EXPR } from 'angular2/src/facade/lang';
import * as modelModule from './model';
/**
* Creates a form object from a user-specified configuration.
*
* ### Example ([live demo](http://plnkr.co/edit/ENgZo8EuIECZNensZCVr?p=preview))
*
* ```typescript
* @Component({
* selector: 'my-app',
* viewBindings: [FORM_BINDINGS]
* template: `
* <form [ng-form-model]="loginForm">
* <p>Login <input ng-control="login"></p>
* <div ng-control-group="passwordRetry">
* <p>Password <input type="password" ng-control="password"></p>
* <p>Confirm password <input type="password" ng-control="passwordConfirmation"></p>
* </div>
* </form>
* <h3>Form value:</h3>
* <pre>{{value}}</pre>
* `,
* directives: [FORM_DIRECTIVES]
* })
* export class App {
* loginForm: ControlGroup;
*
* constructor(builder: FormBuilder) {
* this.loginForm = builder.group({
* login: ["", Validators.required],
* passwordRetry: builder.group({
* password: ["", Validators.required],
* passwordConfirmation: ["", Validators.required, asyncValidator]
* })
* });
* }
*
* get value(): string {
* return JSON.stringify(this.loginForm.value, null, 2);
* }
* }
* ```
*/
export let FormBuilder = class {
/**
* Construct a new {@link ControlGroup} with the given map of configuration.
* Valid keys for the `extra` parameter map are `optionals` and `validator`.
*
* See the {@link ControlGroup} constructor for more details.
*/
group(controlsConfig, extra = null) {
var controls = this._reduceControls(controlsConfig);
var optionals = isPresent(extra) ? StringMapWrapper.get(extra, "optionals") : null;
var validator = isPresent(extra) ? StringMapWrapper.get(extra, "validator") : null;
var asyncValidator = isPresent(extra) ? StringMapWrapper.get(extra, "asyncValidator") : null;
return new modelModule.ControlGroup(controls, optionals, validator, asyncValidator);
}
/**
* Construct a new {@link Control} with the given `value`,`validator`, and `asyncValidator`.
*/
control(value, validator = null, asyncValidator = null) {
return new modelModule.Control(value, validator, asyncValidator);
}
/**
* Construct an array of {@link Control}s from the given `controlsConfig` array of
* configuration, with the given optional `validator` and `asyncValidator`.
*/
array(controlsConfig, validator = null, asyncValidator = null) {
var controls = controlsConfig.map(c => this._createControl(c));
return new modelModule.ControlArray(controls, validator, asyncValidator);
}
/** @internal */
_reduceControls(controlsConfig) {
var controls = {};
StringMapWrapper.forEach(controlsConfig, (controlConfig, controlName) => {
controls[controlName] = this._createControl(controlConfig);
});
return controls;
}
/** @internal */
_createControl(controlConfig) {
if (controlConfig instanceof modelModule.Control ||
controlConfig instanceof modelModule.ControlGroup ||
controlConfig instanceof modelModule.ControlArray) {
return controlConfig;
}
else if (isArray(controlConfig)) {
var value = controlConfig[0];
var validator = controlConfig.length > 1 ? controlConfig[1] : null;
var asyncValidator = controlConfig.length > 2 ? controlConfig[2] : null;
return this.control(value, validator, asyncValidator);
}
else {
return this.control(controlConfig);
}
}
};
FormBuilder = __decorate([
Injectable(),
__metadata('design:paramtypes', [])
], FormBuilder);
/**
* Shorthand set of providers used for building Angular forms.
*
* ### Example
*
* ```typescript
* bootstrap(MyApp, [FORM_PROVIDERS]);
* ```
*/
export const FORM_PROVIDERS = CONST_EXPR([FormBuilder]);
/**
* @deprecated
*/
export const FORM_BINDINGS = FORM_PROVIDERS;
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StringMapWrapper.get(extra, \"optionals\") : null;\n    var validator = isPresent(extra) ? StringMapWrapper.get(extra, \"validator\") : null;\n    var asyncValidator = isPresent(extra) ? StringMapWrapper.get(extra, \"asyncValidator\") : null;\n    return new modelModule.ControlGroup(controls, optionals, validator, asyncValidator);\n  }\n  /**\n   * Construct a new {@link Control} with the given `value`,`validator`, and `asyncValidator`.\n   */\n  control(value: Object, validator: Function = null,\n          asyncValidator: Function = null): modelModule.Control {\n    return new modelModule.Control(value, validator, asyncValidator);\n  }\n\n  /**\n   * Construct an array of {@link Control}s from the given `controlsConfig` array of\n   * configuration, with the given optional `validator` and `asyncValidator`.\n   */\n  array(controlsConfig: any[], validator: Function = null,\n        asyncValidator: Function = null): modelModule.ControlArray {\n    var controls = controlsConfig.map(c => this._createControl(c));\n    return new modelModule.ControlArray(controls, validator, asyncValidator);\n  }\n\n  /** @internal */\n  _reduceControls(controlsConfig: any): {[key: string]: modelModule.AbstractControl} {\n    var controls: {[key: string]: modelModule.AbstractControl} = {};\n    StringMapWrapper.forEach(controlsConfig, (controlConfig, controlName) => {\n      controls[controlName] = this._createControl(controlConfig);\n    });\n    return controls;\n  }\n\n  /** @internal */\n  _createControl(controlConfig: any): modelModule.AbstractControl {\n    if (controlConfig instanceof modelModule.Control ||\n        controlConfig instanceof modelModule.ControlGroup ||\n        controlConfig instanceof modelModule.ControlArray) {\n      return controlConfig;\n\n    } else if (isArray(controlConfig)) {\n      var value = controlConfig[0];\n      var validator = controlConfig.length > 1 ? controlConfig[1] : null;\n      var asyncValidator = controlConfig.length > 2 ? controlConfig[2] : null;\n      return this.control(value, validator, asyncValidator);\n\n    } else {\n      return this.control(controlConfig);\n    }\n  }\n}\n\n/**\n * Shorthand set of providers used for building Angular forms.\n *\n * ### Example\n *\n * ```typescript\n * bootstrap(MyApp, [FORM_PROVIDERS]);\n * ```\n */\nexport const FORM_PROVIDERS: Type[] = CONST_EXPR([FormBuilder]);\n\n/**\n * @deprecated\n */\nexport const FORM_BINDINGS = FORM_PROVIDERS;\n"]}