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June 3, 2016 13:43
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Aurelia - Materialize disabling select
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| <template> | |
| <require from="./md-x-select"></require> | |
| <select md-x-select="disabled.bind: disabled" value.two-way="selectedValue"> | |
| <option value="" disabled selected>select an item</option> | |
| <option value="item1">item 1</option> | |
| <option value="item2">item 2</option> | |
| <option value="item3">item 3</option> | |
| <option value="item4">item 4</option> | |
| </select> | |
| <div>${selectedValue}</div> | |
| <button click.delegate="toggle()">toggle</button> | |
| </template> |
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| export class App { | |
| selectedValue = ""; | |
| disabled = false; | |
| toggle() { | |
| this.disabled = !this.disabled; | |
| } | |
| } |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Aurelia</title> | |
| <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| </head> | |
| <body aurelia-app="main"> | |
| <h1>Loading...</h1> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.6/system.js"></script> | |
| <script src="https://rawgit.com/aurelia-ui-toolkits/aurelia-materialize-bundles/0.1.1/config2.js"></script> | |
| <script> | |
| System.import('aurelia-bootstrapper'); | |
| </script> | |
| </body> | |
| </html> |
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| /******************************************************************************* | |
| * The following two lines enable async/await without using babel's | |
| * "runtime" transformer. Uncomment the lines if you intend to use async/await. | |
| * | |
| * More info here: https://github.com/jdanyow/aurelia-plunker/issues/2 | |
| */ | |
| //import regeneratorRuntime from 'babel-runtime/regenerator'; | |
| //window.regeneratorRuntime = regeneratorRuntime; | |
| /******************************************************************************/ | |
| export function configure(aurelia) { | |
| aurelia.use | |
| .standardConfiguration() | |
| .developmentLogging() | |
| .plugin('aurelia-materialize-bridge', bridge => bridge.useAll() ); | |
| aurelia.start().then(a => a.setRoot()); | |
| } |
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| import { bindable, customAttribute } from 'aurelia-templating'; | |
| import { ObserverLocator } from 'aurelia-binding'; | |
| import { inject } from 'aurelia-dependency-injection'; | |
| import { TaskQueue } from 'aurelia-task-queue'; | |
| import * as LogManager from 'aurelia-logging'; | |
| function fireEvent(element: Element, name: string, data? = {}) { | |
| let event = new CustomEvent(name, { | |
| detail: data, | |
| bubbles: true | |
| }); | |
| element.dispatchEvent(event); | |
| return event; | |
| } | |
| @inject(Element, LogManager, ObserverLocator, TaskQueue) | |
| @customAttribute('md-x-select') | |
| export class MdSelect { | |
| @bindable() disabled = false; | |
| _suspendUpdate = false; | |
| constructor(element, logManager, observerLocator, taskQueue) { | |
| this.element = element; | |
| this.taskQueue = taskQueue; | |
| this.handleChangeFromViewModel = this.handleChangeFromViewModel.bind(this); | |
| this.handleChangeFromNativeSelect = this.handleChangeFromNativeSelect.bind(this); | |
| this.log = LogManager.getLogger('md-select'); | |
| this.observerLocator = observerLocator; | |
| this.valueObserver = this.observerLocator.getObserver(this.element, 'value'); | |
| } | |
| attached() { | |
| this.valueObserver.subscribe(this.handleChangeFromViewModel); | |
| // $(this.element).material_select(() => { | |
| // this.log.warn('materialize callback', $(this.element).val()); | |
| // this.handleChangeFromNativeSelect(); | |
| // }); | |
| $(this.element).material_select(); | |
| $(this.element).on('change', this.handleChangeFromNativeSelect); | |
| } | |
| detached() { | |
| $(this.element).off('change', this.handleChangeFromNativeSelect); | |
| $(this.element).material_select('destroy'); | |
| this.valueObserver.unsubscribe(); | |
| } | |
| refresh() { | |
| this.taskQueue.queueTask(() => { | |
| $(this.element).material_select('destroy'); | |
| $(this.element).material_select(); | |
| }); | |
| } | |
| disabledChanged(newValue) { | |
| let $wrapper = $(this.element).parent('.select-wrapper'); | |
| if ($wrapper.length > 0) { | |
| if (newValue) { | |
| $('.caret', $wrapper).addClass('disabled'); | |
| $('input.select-dropdown', $wrapper).attr('disabled', 'disabled'); | |
| $wrapper.attr('disabled', 'disabled'); | |
| } else { | |
| $('.caret', $wrapper).removeClass('disabled'); | |
| $('input.select-dropdown', $wrapper).attr('disabled', null); | |
| $wrapper.attr('disabled', null); | |
| $('.select-dropdown', $wrapper).dropdown({'hover': false, 'closeOnClick': false}); | |
| } | |
| } | |
| } | |
| handleChangeFromNativeSelect() { | |
| // Aurelia's select observer doesn't get noticed when something changes the | |
| // select value directly (this.element.value = "something"). So we trigger | |
| // the change here. | |
| // this.valueObserver.value = $(this.element).val(); | |
| // this.valueObserver.synchronizeValue(); | |
| // this.valueObserver.synchronizeOptions(); | |
| // this._suspendUpdate = true; | |
| // this.valueObserver.notify(); | |
| // this._suspendUpdate = false; | |
| if (!this._suspendUpdate) { | |
| this.log.debug('handleChangeFromNativeSelect', this.element.value, $(this.element).val()); | |
| this._suspendUpdate = true; | |
| fireEvent(this.element, 'change'); | |
| this.log.debug('this.valueObserver.value', this.valueObserver.value); | |
| // this.valueObserver.value = $(this.element).val(); | |
| // this.valueObserver.notify(); | |
| this._suspendUpdate = false; | |
| } | |
| } | |
| handleChangeFromViewModel(newValue) { | |
| this.log.debug('handleChangeFromViewModel', newValue, $(this.element).val()); | |
| if (!this._suspendUpdate) { | |
| $(this.element).material_select(); | |
| } | |
| } | |
| } |
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