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| <template> | |
| <require from="./some-element"></require> | |
| <require from="./intercept-binding-behavior"></require> | |
| ${message} | |
| <Br> | |
| <button click.delegate="changeFromVM()">Change from VM</button> | |
| <hr> | |
| <some-element value.bind="message & intercept"></some-element> | |
| </template> |
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| export class App { | |
| message = 'Hello World!'; | |
| changeFromVM() { | |
| this.message = Math.random(); | |
| } | |
| } |
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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> | |
| <h1>Loading...</h1> | |
| <script src="https://jdanyow.github.io/rjs-bundle/node_modules/requirejs/require.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/config.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/bundles/aurelia.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/bundles/babel.js"></script> | |
| <script> | |
| require(['aurelia-bootstrapper']); | |
| </script> | |
| </body> | |
| </html> |
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| export class InterceptBindingBehavior { | |
| bind(binding, scope, interceptor) { | |
| binding['originalUpdateTarget'] = binding['updateTarget']; | |
| binding.updateTarget = val => { | |
| alert('property was changed outside of the element'); | |
| binding['originalUpdateTarget'](val); | |
| } | |
| } | |
| unbind(binding, scope) { | |
| binding.updateTarget = binding['originalUpdateTarget']; | |
| binding['originalUpdateTarget'] = null; | |
| } | |
| } |
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| <template> | |
| ${value} | |
| <button click.delegate="change()">Change From Custom-Element</button> | |
| </template> |
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| import { bindable, bindingMode } from 'aurelia-framework'; | |
| export class SomeElement { | |
| @bindable({ defaultBindingMode: bindingMode.twoWay }) value; | |
| valueChanged(newValue, oldValue) { | |
| } | |
| change() { | |
| this.value = Math.random().toString(); | |
| } | |
| } |
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