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feat(query): make QueryList notify on changes via an observable

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BREAKING CHANGE:

Before: query.onChange(() => ...);
After: query.changes.subscribe((iterable) => {});

Closes #4395
This commit is contained in:
vsavkin
2015-09-30 08:41:00 -07:00
committed by Victor Savkin
parent 9b7378d132
commit 3aa204791b
8 changed files with 131 additions and 180 deletions
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3
modules/angular2/src/core/forms/directives/select_control_value_accessor.ts
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@ -6,6 +6,7 @@ import {Query, Directive} from 'angular2/src/core/metadata';
import {NgControl} from './ng_control';
import {ControlValueAccessor} from './control_value_accessor';
import {isPresent} from 'angular2/src/core/facade/lang';
import {ObservableWrapper} from 'angular2/src/core/facade/async';
import {setProperty} from './shared';
/**
@ -81,6 +82,6 @@ export class SelectControlValueAccessor implements ControlValueAccessor {
registerOnTouched(fn: () => any): void { this.onTouched = fn; }
private _updateValueWhenListOfOptionsChanges(query: QueryList<NgSelectOption>) {
query.onChange(() => this.writeValue(this.value));
ObservableWrapper.subscribe(query.changes, (_) => this.writeValue(this.value));
}
}