27 lines
1.0 KiB
TypeScript
27 lines
1.0 KiB
TypeScript
|
import {ListWrapper} from 'angular2/src/facade/collection';
|
||
|
|
import {isBlank, BaseException} from 'angular2/src/facade/lang';
|
||
|
|
|
||
|
|
import {ControlContainerDirective} from './control_container_directive';
|
||
|
|
import {ControlDirective} from './control_directive';
|
||
|
|
import {Control} from '../model';
|
||
|
|
import {Validators} from '../validators';
|
||
|
|
|
||
|
|
export function controlPath(name, parent: ControlContainerDirective) {
|
||
|
|
var p = ListWrapper.clone(parent.path);
|
||
|
|
ListWrapper.push(p, name);
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
|
||
|
|
export function setUpControl(c: Control, dir: ControlDirective) {
|
||
|
|
if (isBlank(c)) _throwError(dir, "Cannot find control");
|
||
|
|
if (isBlank(dir.valueAccessor)) _throwError(dir, "No value accessor for");
|
||
|
|
|
||
|
|
c.validator = Validators.compose([c.validator, dir.validator]);
|
||
|
|
dir.valueAccessor.writeValue(c.value);
|
||
|
|
dir.valueAccessor.registerOnChange(newValue => c.updateValue(newValue));
|
||
|
|
}
|
||
|
|
|
||
|
|
function _throwError(dir: ControlDirective, message: string): void {
|
||
|
|
var path = ListWrapper.join(dir.path, " -> ");
|
||
|
|
throw new BaseException(`${message} '${path}'`);
|
||
|
|
}
|