feat(forms): implement setErrors

angular · Oct 26, 2015 · cb05dbc · cb05dbc
1 parent 28db864
commit cb05dbc
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Showing 3 changed files with 241 additions and 101 deletions.
diff --git a/modules/angular2/src/core/forms/model.ts b/modules/angular2/src/core/forms/model.ts
@@ -1,5 +1,6 @@
 import {StringWrapper, isPresent, isBlank, normalizeBool} from 'angular2/src/core/facade/lang';
 import {Observable, EventEmitter, ObservableWrapper} from 'angular2/src/core/facade/async';
+import {BaseException} from 'angular2/src/core/facade/exceptions';
 import {StringMapWrapper, ListWrapper} from 'angular2/src/core/facade/collection';
 import {Validators} from './validators';
 
@@ -46,7 +47,7 @@ function _find(control: AbstractControl, path: Array<string | number>| string) {
 /**
  *
  */
-export class AbstractControl {
+export abstract class AbstractControl {
   /** @internal */
   _value: any;
   /** @internal */
@@ -151,7 +152,8 @@ export class AbstractControl {
   }
 
   /** @internal */
-  _updateValue(): void {}
+  abstract _updateValue(): void;
+  abstract setErrors(errors: {[key: string]: any}): void;
 }
 
 /**
@@ -203,6 +205,16 @@ export class Control extends AbstractControl {
     this.updateValueAndValidity({onlySelf: onlySelf, emitEvent: emitEvent});
   }
 
+  /**
+   * @internal
+   */
+  _updateValue() {}
+
+  setErrors(errors: {[key: string]: any}): void {
+    this._errors = errors;
+    this._status = isPresent(this._errors) ? INVALID : VALID;
+  }
+
   /**
    * Register a listener for change events.
    */
@@ -258,6 +270,21 @@ export class ControlGroup extends AbstractControl {
     return c && this._included(controlName);
   }
 
+  setErrors(errors: {[key: string]: any}): void {
+    this._errors = errors;
+    this._status = isPresent(this._errors) ? INVALID : VALID;
+
+    if (StringMapWrapper.contains(errors, "controls")) {
+      var c = errors["controls"];
+      StringMapWrapper.forEach(c, (controlErrors, name) => {
+        if (!StringMapWrapper.contains(this.controls, name)) {
+          throw new BaseException(`Cannot find control '${name}'`);
+        }
+        this.controls[name].setErrors(controlErrors);
+      });
+    }
+  }
+
   /** @internal */
   _setParentForControls() {
     StringMapWrapper.forEach(this.controls, (control, name) => { control.setParent(this); });
@@ -360,6 +387,21 @@ export class ControlArray extends AbstractControl {
    */
   get length(): number { return this.controls.length; }
 
+  setErrors(errors: {[key: string]: any}): void {
+    this._errors = errors;
+    this._status = isPresent(this._errors) ? INVALID : VALID;
+
+    if (StringMapWrapper.contains(errors, "controls")) {
+      var c = errors["controls"];
+      ListWrapper.forEachWithIndex(c, (controlErrors, index) => {
+        if (index >= this.controls.length) {
+          throw new BaseException(`Cannot find control at index ${index}`);
+        }
+        this.controls[index].setErrors(controlErrors);
+      });
+    }
+  }
+
   /** @internal */
   _updateValue(): void { this._value = this.controls.map((control) => control.value); }