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feat(element_injector): support multiple injectables with the same token

This commit is contained in:
vsavkin 2015-06-18 18:11:20 -07:00
parent 5ba5da5d25
commit c899b0a74c
6 changed files with 92 additions and 43 deletions
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63
modules/angular2/src/core/compiler/element_injector.ts
View File

@ -418,14 +418,8 @@ export class ProtoElementInjector {
private static _createHostInjectorBindingData(dirBindings: List<ResolvedBinding>,
bd: List<BindingData>,
firstBindingIsComponent: boolean) {
var visitedIds: Map<number, boolean> = new Map();
ListWrapper.forEach(dirBindings, dirBinding => {
ListWrapper.forEach(dirBinding.resolvedHostInjectables, b => {
if (visitedIds.has(b.key.id)) {
throw new BaseException(
`Multiple directives defined the same host injectable: "${stringify(b.key.token)}"`);
}
visitedIds.set(b.key.id, true);
bd.push(ProtoElementInjector._createBindingData(firstBindingIsComponent, dirBinding,
dirBindings,
ProtoElementInjector._createBinding(b)));
@ -948,6 +942,10 @@ export class ElementInjector extends TreeNode<ElementInjector> {
}
}
addDirectivesMatchingQuery(query: Query, list: any[]): void {
this._strategy.addDirectivesMatchingQuery(query, list);
}
private _buildQueries(): void {
if (isPresent(this._proto)) {
this._strategy.buildQueries();
@ -1158,6 +1156,7 @@ interface _ElementInjectorStrategy {
getComponent(): any;
isComponentKey(key: Key): boolean;
buildQueries(): void;
addDirectivesMatchingQuery(q: Query, res: any[]): void;
getObjByKeyId(keyId: number, visibility: number): any;
getDirectiveAtIndex(index: number): any;
getComponentBinding(): DirectiveBinding;
@ -1234,17 +1233,18 @@ class ElementInjectorInlineStrategy implements _ElementInjectorStrategy {
hydrate(): void {
var p = this._protoStrategy;
var e = this._ei;
if (isPresent(p._keyId0)) this.getObjByKeyId(p._keyId0, LIGHT_DOM_AND_SHADOW_DOM);
if (isPresent(p._keyId1)) this.getObjByKeyId(p._keyId1, LIGHT_DOM_AND_SHADOW_DOM);
if (isPresent(p._keyId2)) this.getObjByKeyId(p._keyId2, LIGHT_DOM_AND_SHADOW_DOM);
if (isPresent(p._keyId3)) this.getObjByKeyId(p._keyId3, LIGHT_DOM_AND_SHADOW_DOM);
if (isPresent(p._keyId4)) this.getObjByKeyId(p._keyId4, LIGHT_DOM_AND_SHADOW_DOM);
if (isPresent(p._keyId5)) this.getObjByKeyId(p._keyId5, LIGHT_DOM_AND_SHADOW_DOM);
if (isPresent(p._keyId6)) this.getObjByKeyId(p._keyId6, LIGHT_DOM_AND_SHADOW_DOM);
if (isPresent(p._keyId7)) this.getObjByKeyId(p._keyId7, LIGHT_DOM_AND_SHADOW_DOM);
if (isPresent(p._keyId8)) this.getObjByKeyId(p._keyId8, LIGHT_DOM_AND_SHADOW_DOM);
if (isPresent(p._keyId9)) this.getObjByKeyId(p._keyId9, LIGHT_DOM_AND_SHADOW_DOM);
if (isPresent(p._keyId0) && isBlank(this._obj0)) this._obj0 = e._new(p._binding0);
if (isPresent(p._keyId1) && isBlank(this._obj1)) this._obj1 = e._new(p._binding1);
if (isPresent(p._keyId2) && isBlank(this._obj2)) this._obj2 = e._new(p._binding2);
if (isPresent(p._keyId3) && isBlank(this._obj3)) this._obj3 = e._new(p._binding3);
if (isPresent(p._keyId4) && isBlank(this._obj4)) this._obj4 = e._new(p._binding4);
if (isPresent(p._keyId5) && isBlank(this._obj5)) this._obj5 = e._new(p._binding5);
if (isPresent(p._keyId6) && isBlank(this._obj6)) this._obj6 = e._new(p._binding6);
if (isPresent(p._keyId7) && isBlank(this._obj7)) this._obj7 = e._new(p._binding7);
if (isPresent(p._keyId8) && isBlank(this._obj8)) this._obj8 = e._new(p._binding8);
if (isPresent(p._keyId9) && isBlank(this._obj9)) this._obj9 = e._new(p._binding9);
}
getComponent(): any { return this._obj0; }
@ -1288,6 +1288,20 @@ class ElementInjectorInlineStrategy implements _ElementInjectorStrategy {
}
}
addDirectivesMatchingQuery(query: Query, list: any[]): void {
var p = this._protoStrategy;
if (isPresent(p._binding0) && p._binding0.key.token === query.selector) list.push(this._obj0);
if (isPresent(p._binding1) && p._binding1.key.token === query.selector) list.push(this._obj1);
if (isPresent(p._binding2) && p._binding2.key.token === query.selector) list.push(this._obj2);
if (isPresent(p._binding3) && p._binding3.key.token === query.selector) list.push(this._obj3);
if (isPresent(p._binding4) && p._binding4.key.token === query.selector) list.push(this._obj4);
if (isPresent(p._binding5) && p._binding5.key.token === query.selector) list.push(this._obj5);
if (isPresent(p._binding6) && p._binding6.key.token === query.selector) list.push(this._obj6);
if (isPresent(p._binding7) && p._binding7.key.token === query.selector) list.push(this._obj7);
if (isPresent(p._binding8) && p._binding8.key.token === query.selector) list.push(this._obj8);
if (isPresent(p._binding9) && p._binding9.key.token === query.selector) list.push(this._obj9);
}
getObjByKeyId(keyId: number, visibility: number): any {
var p = this._protoStrategy;
@ -1406,8 +1420,8 @@ class ElementInjectorDynamicStrategy implements _ElementInjectorStrategy {
var p = this._protoStrategy;
for (var i = 0; i < p._keyIds.length; i++) {
if (isPresent(p._keyIds[i])) {
this.getObjByKeyId(p._keyIds[i], LIGHT_DOM_AND_SHADOW_DOM);
if (isPresent(p._keyIds[i]) && isBlank(this._objs[i])) {
this._objs[i] = this._ei._new(p._bindings[i]);
}
}
}
@ -1429,6 +1443,15 @@ class ElementInjectorDynamicStrategy implements _ElementInjectorStrategy {
}
}
addDirectivesMatchingQuery(query: Query, list: any[]): void {
var p = this._protoStrategy;
for (var i = 0; i < p._bindings.length; i++) {
if (p._bindings[i].key.token === query.selector) list.push(this._objs[i]);
}
}
getObjByKeyId(keyId: number, visibility: number): any {
var p = this._protoStrategy;
@ -1518,8 +1541,6 @@ class QueryRef {
}
private _aggregateDirective(inj: ElementInjector, aggregator: List<any>): void {
if (inj.hasDirective(this.query.selector)) {
aggregator.push(inj.get(this.query.selector));
}
inj.addDirectivesMatchingQuery(this.query, aggregator);
}
}

2
modules/angular2/src/facade/collection.dart
View File

@ -184,7 +184,7 @@ class ListWrapper {
bool isListLikeIterable(obj) => obj is Iterable;
List<T> iterableToList(Iterable<T> ii) => ii.toList();
List iterableToList(Iterable ii) => ii.toList();
void iterateListLike(iter, fn(item)) {
assert(iter is Iterable);

2
modules/angular2/src/facade/collection.ts
View File

@ -253,7 +253,7 @@ export function iterateListLike(obj, fn: Function) {
}
}
}
export function iterableToList<T>(ii:Iterable<T>):List<T> {
export function iterableToList<T>(ii: any): List<T> {
var res = [];
for (var i of ii) {
res.push(i);

3
modules/angular2/src/forms/directives/shared.ts
View File

@ -38,7 +38,8 @@ export function setUpControl(c: Control, dir: NgControl) {
export function composeNgValidator(ngValidators: QueryList<NgValidator>): Function {
if (isBlank(ngValidators)) return Validators.nullValidator;
return Validators.compose(iterableToList(ngValidators).map(v => v.validator));
return Validators.compose(
(<List<NgValidator>>iterableToList(ngValidators)).map(v => v.validator));
}
function _throwError(dir: NgControl, message: string): void {

51
modules/angular2/test/core/compiler/element_injector_spec.ts
View File

@ -486,20 +486,6 @@ export function main() {
expect(pei.getBindingAtIndex(i).key.token).toBe(i);
}
});
it('should throw whenever multiple directives declare the same host injectable', () => {
expect(() => {
createPei(null, 0, [
DirectiveBinding.createFromType(SimpleDirective, new dirAnn.Component({
hostInjector: [bind('injectable1').toValue('injectable1')]
})),
DirectiveBinding.createFromType(SomeOtherDirective, new dirAnn.Component({
hostInjector: [bind('injectable1').toValue('injectable2')]
}))
]);
}).toThrowError('Multiple directives defined the same host injectable: "injectable1"');
});
});
});
@ -968,12 +954,47 @@ export function main() {
});
it('should contain directives on the same injector', () => {
var inj = injector(ListWrapper.concat([NeedsQuery, CountingDirective], extraBindings), null,
var inj = injector(ListWrapper.concat([
NeedsQuery,
CountingDirective
], extraBindings), null,
false, preBuildObjects);
expectDirectives(inj.get(NeedsQuery).query, CountingDirective, [0]);
})
it('should contain multiple directives from the same injector', () => {
var inj = injector(ListWrapper.concat([
NeedsQuery,
CountingDirective,
FancyCountingDirective,
bind(CountingDirective).toAlias(FancyCountingDirective)
], extraBindings), null,
false, preBuildObjects);
expect(inj.get(NeedsQuery).query.length).toEqual(2);
expect(inj.get(NeedsQuery).query.first).toBeAnInstanceOf(CountingDirective);
expect(inj.get(NeedsQuery).query.last).toBeAnInstanceOf(FancyCountingDirective);
})
it('should contain multiple directives from the same injector after linking', () => {
var inj = parentChildInjectors([], ListWrapper.concat([
NeedsQuery,
CountingDirective,
FancyCountingDirective,
bind(CountingDirective).toAlias(FancyCountingDirective)
], extraBindings));
var parent = inj.parent;
inj.unlink();
inj.link(parent);
expect(inj.get(NeedsQuery).query.length).toEqual(2);
expect(inj.get(NeedsQuery).query.first).toBeAnInstanceOf(CountingDirective);
expect(inj.get(NeedsQuery).query.last).toBeAnInstanceOf(FancyCountingDirective);
})
it('should contain the element when no directives are bound to the var binding', () => {
var dirs = [NeedsQueryByVarBindings];

12
modules/examples/src/template_driven_forms/index.ts
View File

@ -6,11 +6,14 @@ import {
Component,
Directive,
View,
Ancestor
Ancestor,
NgValidator,
forwardRef,
Binding
} from 'angular2/angular2';
import {formDirectives, NgControl, Validators, NgForm} from 'angular2/forms';
import {RegExpWrapper, print, isPresent} from 'angular2/src/facade/lang';
import {RegExpWrapper, print, isPresent, CONST_EXPR} from 'angular2/src/facade/lang';
import {reflector} from 'angular2/src/reflection/reflection';
import {ReflectionCapabilities} from 'angular2/src/reflection/reflection_capabilities';
@ -33,7 +36,10 @@ class CheckoutModel {
/**
* Custom validator.
*/
@Directive({selector: '[credit-card]'})
const creditCardValidatorBinding =
CONST_EXPR(new Binding(NgValidator, {toAlias: forwardRef(() => CreditCardValidator)}));
@Directive({selector: '[credit-card]', hostInjector: [creditCardValidatorBinding]})
class CreditCardValidator {
get validator() { return CreditCardValidator.validate; }