refactor(formed): changed forms to use event and property setters instead of NgElement

This commit is contained in:
vsavkin 2015-03-19 13:12:16 -07:00
parent a12dc7d75a
commit 514529b5d9
3 changed files with 90 additions and 71 deletions

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@ -2,6 +2,7 @@ export * from './src/core/annotations/visibility';
export * from './src/core/compiler/interfaces';
export * from './src/core/annotations/template';
export * from './src/core/application';
export * from './src/core/annotations/di';
export * from './src/core/compiler/compiler';

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@ -1,4 +1,4 @@
import {Template, Component, Decorator, NgElement, Ancestor, onChange} from 'angular2/angular2';
import {Template, Component, Decorator, Ancestor, onChange, PropertySetter} from 'angular2/angular2';
import {Optional} from 'angular2/di';
import {DOM} from 'angular2/src/dom/dom_adapter';
import {isBlank, isPresent, isString, CONST} from 'angular2/src/facade/lang';
@ -6,53 +6,50 @@ import {StringMapWrapper, ListWrapper} from 'angular2/src/facade/collection';
import {ControlGroup, Control} from './model';
import {Validators} from './validators';
@CONST()
export class ControlValueAccessor {
readValue(el){}
writeValue(el, value):void {}
writeValue(value):void{}
set onChange(fn){}
}
@CONST()
class DefaultControlValueAccessor extends ControlValueAccessor {
constructor() {
super();
@Decorator({
selector: '[control]',
events: {
'change' : 'onChange($event.target.value)'
}
})
export class DefaultControlDecorator extends ControlValueAccessor {
_setValueProperty:Function;
onChange:Function;
constructor(@PropertySetter('value') setValueProperty:Function) {
this._setValueProperty = setValueProperty;
this.onChange = (_) => {};
}
readValue(el) {
return DOM.getValue(el);
}
writeValue(el, value):void {
DOM.setValue(el,value);
writeValue(value) {
this._setValueProperty(value);
}
}
@CONST()
class CheckboxControlValueAccessor extends ControlValueAccessor {
constructor() {
super();
@Decorator({
selector: 'input[type=checkbox]', //should be input[type=checkbox][control]
events: {
'change' : 'onChange($event.target.checked)'
}
})
export class CheckboxControlDecorator extends ControlValueAccessor {
_setCheckedProperty:Function;
onChange:Function;
constructor(cd:ControlDirective, @PropertySetter('checked') setCheckedProperty:Function) {
this._setCheckedProperty = setCheckedProperty;
this.onChange = (_) => {};
//TODO: vsavkin ControlDirective should inject CheckboxControlDirective
cd.valueAccessor = this;
}
readValue(el):boolean {
return DOM.getChecked(el);
}
writeValue(el, value:boolean):void {
DOM.setChecked(el, value);
}
}
var controlValueAccessors = {
"checkbox" : new CheckboxControlValueAccessor(),
"text" : new DefaultControlValueAccessor()
};
function controlValueAccessorFor(controlType:string):ControlValueAccessor {
var accessor = StringMapWrapper.get(controlValueAccessors, controlType);
if (isPresent(accessor)) {
return accessor;
} else {
return StringMapWrapper.get(controlValueAccessors, "text");
writeValue(value) {
this._setCheckedProperty(value);
}
}
@ -60,25 +57,21 @@ function controlValueAccessorFor(controlType:string):ControlValueAccessor {
lifecycle: [onChange],
selector: '[control]',
bind: {
'controlName' : 'control',
'type' : 'type'
'controlName' : 'control'
}
})
export class ControlDirective {
_groupDirective:ControlGroupDirective;
_el:NgElement;
controlName:string;
type:string;
valueAccessor:ControlValueAccessor;
validator:Function;
constructor(@Ancestor() groupDirective:ControlGroupDirective, el:NgElement) {
constructor(@Ancestor() groupDirective:ControlGroupDirective, valueAccessor:DefaultControlDecorator) {
this._groupDirective = groupDirective;
this._el = el;
this.controlName = null;
this.type = null;
this.valueAccessor = valueAccessor;
this.validator = Validators.nullValidator;
}
@ -94,20 +87,20 @@ export class ControlDirective {
var c = this._control();
c.validator = Validators.compose([c.validator, this.validator]);
if (isBlank(this.valueAccessor)) {
this.valueAccessor = controlValueAccessorFor(this.type);
}
this._updateDomValue();
DOM.on(this._el.domElement, "change", (_) => this._updateControlValue());
this._setUpUpdateControlValue();
}
_updateDomValue() {
this.valueAccessor.writeValue(this._el.domElement, this._control().value);
this.valueAccessor.writeValue(this._control().value);
}
_updateControlValue() {
this._control().updateValue(this.valueAccessor.readValue(this._el.domElement));
_setUpUpdateControlValue() {
this.valueAccessor.onChange = (newValue) => this._control().updateValue(newValue);
}
_updateControlValue(newValue) {
this._control().updateValue(newValue);
}
_control() {
@ -165,5 +158,5 @@ export class ControlGroupDirective {
}
export var FormDirectives = [
ControlGroupDirective, ControlDirective
ControlGroupDirective, ControlDirective, CheckboxControlDecorator, DefaultControlDecorator
];

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@ -24,14 +24,17 @@ import {ComponentUrlMapper} from 'angular2/src/core/compiler/component_url_mappe
import {UrlResolver} from 'angular2/src/core/compiler/url_resolver';
import {StyleUrlResolver} from 'angular2/src/core/compiler/style_url_resolver';
import {CssProcessor} from 'angular2/src/core/compiler/css_processor';
import {EventManager, DomEventsPlugin} from 'angular2/src/core/events/event_manager';
import {VmTurnZone} from 'angular2/src/core/zone/vm_turn_zone';
import {MockTemplateResolver} from 'angular2/src/mock/template_resolver_mock';
import {Injector} from 'angular2/di';
import {Component, Decorator, Template} from 'angular2/angular2';
import {Component, Decorator, Template, PropertySetter} from 'angular2/angular2';
import {ControlGroupDirective, ControlDirective, Control, ControlGroup, OptionalControl,
ControlValueAccessor, RequiredValidatorDirective, Validators} from 'angular2/forms';
ControlValueAccessor, RequiredValidatorDirective, CheckboxControlDecorator,
DefaultControlDecorator, Validators} from 'angular2/forms';
export function main() {
function detectChanges(view) {
@ -56,11 +59,13 @@ export function main() {
tplResolver.setTemplate(componentType, new Template({
inline: template,
directives: [ControlGroupDirective, ControlDirective, WrappedValue, RequiredValidatorDirective]
directives: [ControlGroupDirective, ControlDirective, WrappedValue, RequiredValidatorDirective,
CheckboxControlDecorator, DefaultControlDecorator]
}));
compiler.compile(componentType).then((pv) => {
var view = pv.instantiate(null, null);
var eventManager = new EventManager([new DomEventsPlugin()], new FakeVmTurnZone());
var view = pv.instantiate(null, eventManager);
view.hydrate(new Injector([]), null, null, context, null);
detectChanges(view);
callback(view);
@ -346,21 +351,41 @@ class MyComp {
}
}
class WrappedValueAccessor extends ControlValueAccessor {
readValue(el){
return el.value.substring(1, el.value.length - 1);
}
writeValue(el, value):void {
el.value = `!${value}!`;
}
}
@Decorator({
selector:'[wrapped-value]'
selector:'[wrapped-value]',
events: {
'change' : 'handleOnChange($event.target.value)'
}
})
class WrappedValue {
constructor(cd:ControlDirective) {
cd.valueAccessor = new WrappedValueAccessor();
class WrappedValue extends ControlValueAccessor {
_setProperty:Function;
onChange:Function;
constructor(cd:ControlDirective, @PropertySetter('value') setProperty:Function) {
this._setProperty = setProperty;
cd.valueAccessor = this;
}
writeValue(value) {
this._setProperty(`!${value}!`);
}
handleOnChange(value) {
this.onChange(value.substring(1, value.length - 1));
}
}
class FakeVmTurnZone extends VmTurnZone {
constructor() {
super({enableLongStackTrace: false});
}
run(fn) {
fn();
}
runOutsideAngular(fn) {
fn();
}
}