feat(radio): support radio button sharing a control
This commit is contained in:
Kara Erickson
parent
54c577cfe0
commit
39e0b4903c
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@ -25,7 +25,7 @@ export {NgForm} from './directives/ng_form';
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export {NgModel} from './directives/ng_model';
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export {NgModelGroup} from './directives/ng_model_group';
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export {NumberValueAccessor} from './directives/number_value_accessor';
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export {RadioButtonState, RadioControlValueAccessor} from './directives/radio_control_value_accessor';
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export {RadioControlValueAccessor} from './directives/radio_control_value_accessor';
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export {FormControlDirective} from './directives/reactive_directives/form_control_directive';
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export {FormControlName} from './directives/reactive_directives/form_control_name';
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export {FormGroupDirective} from './directives/reactive_directives/form_group_directive';
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@ -9,6 +9,7 @@ import {NG_ASYNC_VALIDATORS, NG_VALIDATORS} from '../validators';
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import {ControlContainer} from './control_container';
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import {Form} from './form_interface';
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import {NgControl} from './ng_control';
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import {NgModel} from './ng_model';
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import {NgModelGroup} from './ng_model_group';
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import {composeAsyncValidators, composeValidators, setUpControl, setUpFormGroup} from './shared';
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@ -107,20 +108,21 @@ export class NgForm extends ControlContainer implements Form {
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get controls(): {[key: string]: AbstractControl} { return this.form.controls; }
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addControl(dir: NgControl): FormControl {
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addControl(dir: NgModel): FormControl {
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const ctrl = new FormControl();
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PromiseWrapper.scheduleMicrotask(() => {
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const container = this._findContainer(dir.path);
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setUpControl(ctrl, dir);
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container.registerControl(dir.name, ctrl);
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ctrl.updateValueAndValidity({emitEvent: false});
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dir._control = <FormControl>container.registerControl(dir.name, ctrl);
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setUpControl(dir.control, dir);
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dir.control.updateValueAndValidity({emitEvent: false});
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});
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return ctrl;
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}
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getControl(dir: NgControl): FormControl { return <FormControl>this.form.find(dir.path); }
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getControl(dir: NgModel): FormControl { return <FormControl>this.form.find(dir.path); }
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removeControl(dir: NgControl): void {
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removeControl(dir: NgModel): void {
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PromiseWrapper.scheduleMicrotask(() => {
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var container = this._findContainer(dir.path);
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if (isPresent(container)) {
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@ -36,7 +36,7 @@ export class RadioControlRegistry {
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select(accessor: RadioControlValueAccessor) {
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this._accessors.forEach((c) => {
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if (this._isSameGroup(c, accessor) && c[1] !== accessor) {
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c[1].fireUncheck();
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c[1].fireUncheck(accessor.value);
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}
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});
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}
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@ -48,16 +48,6 @@ export class RadioControlRegistry {
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}
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}
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/**
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* The value provided by the forms API for radio buttons.
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*
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* @experimental
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*/
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export class RadioButtonState {
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constructor(public checked: boolean, public value: string) {}
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}
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/**
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* The accessor for writing a radio control value and listening to changes that is used by the
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* {@link NgModel}, {@link FormControlDirective}, and {@link FormControlName} directives.
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@ -66,13 +56,12 @@ export class RadioButtonState {
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* ```
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* @Component({
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* template: `
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* <input type="radio" name="food" [(ngModel)]="foodChicken">
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* <input type="radio" name="food" [(ngModel)]="foodFish">
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* <input type="radio" name="food" [(ngModel)]="food" value="chicken">
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* <input type="radio" name="food" [(ngModel)]="food" value="fish">
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* `
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* })
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* class FoodCmp {
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* foodChicken = new RadioButtonState(true, "chicken");
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* foodFish = new RadioButtonState(false, "fish");
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* food = 'chicken';
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* }
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* ```
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*/
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@ -85,14 +74,16 @@ export class RadioButtonState {
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export class RadioControlValueAccessor implements ControlValueAccessor,
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OnDestroy, OnInit {
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/** @internal */
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_state: RadioButtonState;
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_state: boolean;
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/** @internal */
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_control: NgControl;
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@Input() name: string;
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/** @internal */
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_fn: Function;
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onChange = () => {};
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onTouched = () => {};
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onTouched = () => {}
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@Input() name: string;
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@Input() value: any;
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constructor(
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private _renderer: Renderer, private _elementRef: ElementRef,
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@ -106,21 +97,21 @@ export class RadioControlValueAccessor implements ControlValueAccessor,
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ngOnDestroy(): void { this._registry.remove(this); }
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writeValue(value: any): void {
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this._state = value;
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if (isPresent(value) && value.checked) {
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this._renderer.setElementProperty(this._elementRef.nativeElement, 'checked', true);
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this._state = value === this.value;
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if (isPresent(value)) {
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this._renderer.setElementProperty(this._elementRef.nativeElement, 'checked', this._state);
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}
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}
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registerOnChange(fn: (_: any) => {}): void {
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this._fn = fn;
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this.onChange = () => {
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fn(new RadioButtonState(true, this._state.value));
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fn(this.value);
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this._registry.select(this);
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};
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}
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fireUncheck(): void { this._fn(new RadioButtonState(false, this._state.value)); }
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fireUncheck(value: any): void { this.writeValue(value); }
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registerOnTouched(fn: () => {}): void { this.onTouched = fn; }
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}
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@ -13,7 +13,7 @@
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*/
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export {FORM_DIRECTIVES, REACTIVE_FORM_DIRECTIVES, RadioButtonState} from './directives';
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export {FORM_DIRECTIVES, REACTIVE_FORM_DIRECTIVES} from './directives';
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export {AbstractControlDirective} from './directives/abstract_control_directive';
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export {CheckboxControlValueAccessor} from './directives/checkbox_value_accessor';
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export {ControlContainer} from './directives/control_container';
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@ -282,7 +282,7 @@ export abstract class AbstractControl {
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*/
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export class FormControl extends AbstractControl {
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/** @internal */
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_onChange: Function;
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_onChange: Function[] = [];
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constructor(
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value: any = null, validator: ValidatorFn|ValidatorFn[] = null,
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@ -312,7 +312,9 @@ export class FormControl extends AbstractControl {
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} = {}): void {
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emitModelToViewChange = isPresent(emitModelToViewChange) ? emitModelToViewChange : true;
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this._value = value;
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if (isPresent(this._onChange) && emitModelToViewChange) this._onChange(this._value);
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if (this._onChange.length && emitModelToViewChange) {
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this._onChange.forEach((changeFn) => changeFn(this._value));
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}
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this.updateValueAndValidity({onlySelf: onlySelf, emitEvent: emitEvent});
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}
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@ -329,7 +331,7 @@ export class FormControl extends AbstractControl {
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/**
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* Register a listener for change events.
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*/
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registerOnChange(fn: Function): void { this._onChange = fn; }
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registerOnChange(fn: Function): void { this._onChange.push(fn); }
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}
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/**
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@ -364,9 +366,11 @@ export class FormGroup extends AbstractControl {
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/**
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* Register a control with the group's list of controls.
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*/
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registerControl(name: string, control: AbstractControl): void {
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registerControl(name: string, control: AbstractControl): AbstractControl {
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if (this.controls[name]) return this.controls[name];
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this.controls[name] = control;
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control.setParent(this);
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return control;
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}
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/**
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@ -6,7 +6,7 @@ import {Input, Provider, forwardRef} from '@angular/core';
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import {fakeAsync, flushMicrotasks, tick} from '@angular/core/testing';
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import {afterEach, beforeEach, ddescribe, describe, expect, iit, inject, it, xdescribe, xit} from '@angular/core/testing/testing_internal';
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import {AsyncTestCompleter} from '@angular/core/testing/testing_internal';
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import {ControlValueAccessor, FORM_DIRECTIVES, FORM_PROVIDERS, FormControl, FormGroup, NG_ASYNC_VALIDATORS, NG_VALIDATORS, NgControl, NgForm, NgModel, REACTIVE_FORM_DIRECTIVES, RadioButtonState, Validator, Validators, disableDeprecatedForms, provideForms} from '@angular/forms';
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import {ControlValueAccessor, FORM_DIRECTIVES, FORM_PROVIDERS, FormControl, FormGroup, NG_ASYNC_VALIDATORS, NG_VALIDATORS, NgControl, NgForm, NgModel, REACTIVE_FORM_DIRECTIVES, Validator, Validators, disableDeprecatedForms, provideForms} from '@angular/forms';
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import {By} from '@angular/platform-browser/src/dom/debug/by';
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import {getDOM} from '@angular/platform-browser/src/dom/dom_adapter';
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import {dispatchEvent} from '@angular/platform-browser/testing';
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@ -503,29 +503,35 @@ export function main() {
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[TestComponentBuilder, AsyncTestCompleter],
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(tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
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const t = `<form [formGroup]="form">
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<input type="radio" formControlName="foodChicken" name="food">
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<input type="radio" formControlName="foodFish" name="food">
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<input type="radio" formControlName="food" value="chicken">
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<input type="radio" formControlName="food" value="fish">
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</form>`;
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const ctrl = new FormControl('fish');
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tcb.overrideTemplate(MyComp8, t)
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.overrideProviders(MyComp8, providerArr)
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.createAsync(MyComp8)
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.then((fixture) => {
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fixture.debugElement.componentInstance.form = new FormGroup({
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'foodChicken': new FormControl(new RadioButtonState(false, 'chicken')),
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'foodFish': new FormControl(new RadioButtonState(true, 'fish'))
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});
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fixture.debugElement.componentInstance.form = new FormGroup({'food': ctrl});
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fixture.detectChanges();
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var input = fixture.debugElement.query(By.css('input'));
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expect(input.nativeElement.checked).toEqual(false);
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var inputs = fixture.debugElement.queryAll(By.css('input'));
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expect(inputs[0].nativeElement.checked).toEqual(false);
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expect(inputs[1].nativeElement.checked).toEqual(true);
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dispatchEvent(input.nativeElement, 'change');
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dispatchEvent(inputs[0].nativeElement, 'change');
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fixture.detectChanges();
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let value = fixture.debugElement.componentInstance.form.value;
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expect(value['foodChicken'].checked).toEqual(true);
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expect(value['foodFish'].checked).toEqual(false);
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expect(value.food).toEqual('chicken');
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expect(inputs[1].nativeElement.checked).toEqual(false);
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ctrl.updateValue('fish');
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fixture.detectChanges();
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expect(inputs[0].nativeElement.checked).toEqual(false);
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expect(inputs[1].nativeElement.checked).toEqual(true);
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async.done();
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});
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}));
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@ -1393,77 +1399,70 @@ export function main() {
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expect(form.value).toEqual({two: 'some data'});
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})));
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// TODO(kara): Fix when re-doing radio buttons
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xit('should support <type=radio>',
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it('should support <type=radio>',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<input type="radio" name="food" [(ngModel)]="data['chicken']">
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<input type="radio" name="food" [(ngModel)]="data['fish']">
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<input type="radio" name="food" [(ngModel)]="data['beef']">
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<input type="radio" name="food" [(ngModel)]="data['pork']">
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<input type="radio" name="food" [(ngModel)]="data.food" value="chicken">
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<input type="radio" name="food" [(ngModel)]="data.food" value="fish">
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</form>`;
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const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.data = {
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'chicken': new RadioButtonState(false, 'chicken'),
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'fish': new RadioButtonState(true, 'fish'),
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'beef': new RadioButtonState(false, 'beef'),
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'pork': new RadioButtonState(true, 'pork')
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};
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fixture.debugElement.componentInstance.data = {food: 'fish'};
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fixture.detectChanges();
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tick();
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const input = fixture.debugElement.query(By.css('input'));
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expect(input.nativeElement.checked).toEqual(false);
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const inputs = fixture.debugElement.queryAll(By.css('input'));
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expect(inputs[0].nativeElement.checked).toEqual(false);
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expect(inputs[1].nativeElement.checked).toEqual(true);
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dispatchEvent(input.nativeElement, 'change');
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dispatchEvent(inputs[0].nativeElement, 'change');
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tick();
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const data = fixture.debugElement.componentInstance.data;
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expect(data['chicken']).toEqual(new RadioButtonState(true, 'chicken'));
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expect(data['fish']).toEqual(new RadioButtonState(false, 'fish'));
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expect(data['beef']).toEqual(new RadioButtonState(false, 'beef'));
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expect(data['pork']).toEqual(new RadioButtonState(false, 'pork'));
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expect(data.food).toEqual('chicken');
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expect(inputs[1].nativeElement.checked).toEqual(false);
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})));
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it('should support multiple named <type=radio> groups',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<input type="radio" name="food" [(ngModel)]="data.food" value="chicken">
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<input type="radio" name="food" [(ngModel)]="data.food" value="fish">
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<input type="radio" name="drink" [(ngModel)]="data.drink" value="cola">
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<input type="radio" name="drink" [(ngModel)]="data.drink" value="sprite">
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</form>`;
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const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.data = {food: 'fish', drink: 'sprite'};
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fixture.detectChanges();
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tick();
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const inputs = fixture.debugElement.queryAll(By.css('input'));
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expect(inputs[0].nativeElement.checked).toEqual(false);
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expect(inputs[1].nativeElement.checked).toEqual(true);
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expect(inputs[2].nativeElement.checked).toEqual(false);
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expect(inputs[3].nativeElement.checked).toEqual(true);
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dispatchEvent(inputs[0].nativeElement, 'change');
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tick();
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const data = fixture.debugElement.componentInstance.data;
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expect(data.food).toEqual('chicken');
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expect(data.drink).toEqual('sprite');
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expect(inputs[1].nativeElement.checked).toEqual(false);
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expect(inputs[2].nativeElement.checked).toEqual(false);
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expect(inputs[3].nativeElement.checked).toEqual(true);
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})));
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});
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xit('should support multiple named <type=radio> groups',
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fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
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const t = `<form>
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<input type="radio" name="food" [(ngModel)]="data['chicken']">
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<input type="radio" name="food" [(ngModel)]="data['fish']">
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<input type="radio" name="drink" [(ngModel)]="data['cola']">
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<input type="radio" name="drink" [(ngModel)]="data['sprite']">
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</form>`;
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const fixture = tcb.overrideTemplate(MyComp8, t).createFakeAsync(MyComp8);
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tick();
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fixture.debugElement.componentInstance.data = {
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'chicken': new RadioButtonState(false, 'chicken'),
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'fish': new RadioButtonState(true, 'fish'),
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'cola': new RadioButtonState(false, 'cola'),
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'sprite': new RadioButtonState(true, 'sprite')
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};
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fixture.detectChanges();
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tick();
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const input = fixture.debugElement.query(By.css('input'));
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expect(input.nativeElement.checked).toEqual(false);
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dispatchEvent(input.nativeElement, 'change');
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tick();
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const data = fixture.debugElement.componentInstance.data;
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expect(data['chicken']).toEqual(new RadioButtonState(true, 'chicken'));
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expect(data['fish']).toEqual(new RadioButtonState(false, 'fish'));
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expect(data['cola']).toEqual(new RadioButtonState(false, 'cola'));
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expect(data['sprite']).toEqual(new RadioButtonState(true, 'sprite'));
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})));
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describe('setting status classes', () => {
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it('should work with single fields',
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