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Aurelia select list binding
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| <template> | |
| <require from="./my-dropdown"></require> | |
| <div class="container-fluid"> | |
| <h1>Hello, ${fname}!</h1> | |
| Number: ${num} | |
| <my-dropdown value.bind="num" enum-list.bind="enums"></my-dropdown> | |
| <br> | |
| Change value: | |
| <button click.delegate="setNum(1)">1</button> | |
| <button click.delegate="setNum(2)">2</button> | |
| <button click.delegate="setNum(3)">3</button> | |
| </div> | |
| </template> |
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| export class App { | |
| num = 2; | |
| enums = { | |
| "0": "Zero", | |
| "1": "One", | |
| "2": "Two", | |
| "3": "Three" | |
| }; | |
| constructor() { | |
| this.fname = "Liam"; | |
| } | |
| setNum(num) { | |
| this.num = num; | |
| } | |
| } |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Aurelia</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous"> | |
| </head> | |
| <body aurelia-app="main"> | |
| <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 KeysValueConverter { | |
| toView(obj) { | |
| if (obj !== null && typeof obj === 'object') { | |
| return Reflect.ownKeys(obj).filter(x => x !== '__observers__'); | |
| } else { | |
| return null; | |
| } | |
| } | |
| } |
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| export function configure(aurelia) { | |
| aurelia.use | |
| .standardConfiguration() | |
| .developmentLogging(); | |
| aurelia.start().then(() => aurelia.setRoot()); | |
| } |
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| <template> | |
| <require from="./keys-value-converter"></require> | |
| <require from="./tostring-value-converter"></require> | |
| <select class="form-control" value.bind="value | tostring & debounce:1000"> | |
| <option repeat.for="key of enumList | keys" model.bind="key">${key} - ${enumList[key]}</option> | |
| </select> | |
| </template> |
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| import {bindable, bindingMode} from 'aurelia-framework'; | |
| export class MyDropdown { | |
| @bindable({ defaultBindingMode: bindingMode.twoWay }) value; | |
| @bindable enumList; | |
| // initialize | |
| valueChanged(newValue, oldValue) { | |
| console.log("Dropdown valueChanged from " + oldValue + " (" + (typeof oldValue) + ") to " + newValue + " (" + (typeof newValue) + ")"); | |
| } | |
| } |
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| export class TostringValueConverter { | |
| toView(value) { | |
| if (value === null) return null; | |
| return value.toString(); | |
| } | |
| fromView(value) { | |
| if (value === null) return null; | |
| return value.toString(); | |
| } | |
| } |
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