Created
May 14, 2016 14:00
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Aurelia + i18n plugin issue with binding behaviour
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| <template> | |
| <require from="tbind.js"></require> | |
| <h1>${message}</h1> | |
| <h2>${prop}</h2> | |
| <div>${'val1' & t2}</div> | |
| <div>${'val1' & t2}</div> | |
| <hr/> | |
| <div> | |
| <compose containerless view.bind="'custom-view.html'"></compose> | |
| </div> | |
| <hr/> | |
| <button click.trigger="changeLocale('de')">de</button> | |
| <button click.trigger="changeLocale('en')">en</button> | |
| </template> |
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| import {BindingSignaler} from 'aurelia-templating-resources'; | |
| import {I18N} from 'aurelia-i18n'; | |
| import {inject} from 'aurelia-framework'; | |
| @inject(I18N, BindingSignaler) | |
| export class App { | |
| message = 'Hello World'; | |
| prop = "test"; | |
| constructor(i18n, bindingSignaler) { | |
| this.signaler = bindingSignaler; | |
| this.i18n = i18n; | |
| } | |
| changeLocale(locale) { | |
| this.i18n.setLocale(locale); | |
| this.signaler.signal('trans'); | |
| } | |
| getLabel(propName) { | |
| return propName; | |
| } | |
| } |
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| <template> | |
| Custom view | |
| <p> | |
| ${'val1' | t & signal:'trans'} | |
| </p> | |
| </template> |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Aurelia</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| </head> | |
| <body aurelia-app="main"> | |
| <h1>Loading...</h1> | |
| <script src="https://cdn.rawgit.com/valichek/aurelia-bundle/i18n-0.5.2v0.0.4/jspm_packages/system.js"></script> | |
| <script src="https://cdn.rawgit.com/valichek/aurelia-bundle/i18n-0.5.2v0.0.4/config.js"></script> | |
| <script> | |
| System.import('aurelia-bootstrapper'); | |
| </script> | |
| </body> | |
| </html> |
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| { | |
| "val" : "DE" | |
| } |
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| { | |
| "val1" : "DE-tr1", | |
| "val1test" : "DE-tr1-test", | |
| "DE-tr1" : "wtf" | |
| } |
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| { | |
| "val" : "EN" | |
| } |
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| { | |
| "val1" : "EN-tr1", | |
| "val1test" : "EN-tr1-test" | |
| } |
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| import Backend from 'i18next-xhr-backend'; | |
| export function configure(aurelia) { | |
| aurelia.use | |
| .standardConfiguration() | |
| .developmentLogging() | |
| .plugin('aurelia-i18n', (instance) => { | |
| // register backend plugin | |
| instance.i18next.use(Backend); | |
| // adapt options to your needs (see http://i18next.com/docs/options/) | |
| return instance.setup({ | |
| backend: { // <-- configure backend settings | |
| loadPath: 'locale-{{lng}}-{{ns}}.json' // <-- XHR settings for where to get the files from | |
| }, | |
| lng: 'de', | |
| attributes: ['t', 'i18n'], | |
| fallbackLng: 'en', | |
| debug: true, | |
| //compatibilityJSON: 'v1', | |
| ns: ['translation', 'custom'] | |
| }); | |
| }); | |
| aurelia.start().then(a => a.setRoot()); | |
| } |
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| import {BindingSignaler, SignalBindingBehavior} from 'aurelia-templating-resources'; | |
| import {Container} from 'aurelia-dependency-injection'; | |
| import {ValueConverter} from 'aurelia-binding'; | |
| export class T2BindingBehavior { | |
| static inject = [SignalBindingBehavior]; | |
| constructor(signalBindingBehavior) { | |
| this.container = Container.instance | |
| this.signalBindingBehavior = signalBindingBehavior; | |
| } | |
| bind(binding, source) { | |
| // bind the signal behavior | |
| this.signalBindingBehavior.bind(binding, source, 'aurelia-translation-signal'); | |
| // rewrite the expression to use the TValueConverter. | |
| // pass through any args to the binding behavior to the TValueConverter | |
| let sourceExpression = binding.sourceExpression; | |
| let expression = sourceExpression.expression; | |
| console.log(expression); | |
| if(expression.allArgs) | |
| expression = expression.allArgs[0]; | |
| console.log(sourceExpression); | |
| sourceExpression.expression = new ValueConverter( | |
| expression, | |
| 't', | |
| sourceExpression.args, | |
| [expression, ...sourceExpression.args]); | |
| } | |
| unbind(binding, source) { | |
| // undo the expression rewrite | |
| binding.sourceExpression.expression = binding.sourceExpression.expression.expression; | |
| // unbind the signal behavior | |
| this.signalBindingBehavior.unbind(binding, source); | |
| } | |
| } |
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