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feat(radio): support radio button sharing a control

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This commit is contained in:
Kara Erickson
2016-06-15 15:15:41 -07:00
parent 54c577cfe0
commit 39e0b4903c
6 changed files with 105 additions and 109 deletions
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12
modules/@angular/forms/src/model.ts
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@ -282,7 +282,7 @@ export abstract class AbstractControl {
*/
export class FormControl extends AbstractControl {
/** @internal */
_onChange: Function;
_onChange: Function[] = [];
constructor(
value: any = null, validator: ValidatorFn|ValidatorFn[] = null,
@ -312,7 +312,9 @@ export class FormControl extends AbstractControl {
} = {}): void {
emitModelToViewChange = isPresent(emitModelToViewChange) ? emitModelToViewChange : true;
this._value = value;
if (isPresent(this._onChange) && emitModelToViewChange) this._onChange(this._value);
if (this._onChange.length && emitModelToViewChange) {
this._onChange.forEach((changeFn) => changeFn(this._value));
}
this.updateValueAndValidity({onlySelf: onlySelf, emitEvent: emitEvent});
}
@ -329,7 +331,7 @@ export class FormControl extends AbstractControl {
/**
* Register a listener for change events.
*/
registerOnChange(fn: Function): void { this._onChange = fn; }
registerOnChange(fn: Function): void { this._onChange.push(fn); }
}
/**
@ -364,9 +366,11 @@ export class FormGroup extends AbstractControl {
/**
* Register a control with the group's list of controls.
*/
registerControl(name: string, control: AbstractControl): void {
registerControl(name: string, control: AbstractControl): AbstractControl {
if (this.controls[name]) return this.controls[name];
this.controls[name] = control;
control.setParent(this);
return control;
}
/**