Skip to content

Instantly share code, notes, and snippets.

@acorncom
Created April 17, 2021 07:14
Show Gist options
  • Save acorncom/3f76b10b4f481d778fc0b6cac6d58d7b to your computer and use it in GitHub Desktop.
Save acorncom/3f76b10b4f481d778fc0b6cac6d58d7b to your computer and use it in GitHub Desktop.
sample-dropdown
import Component from '@glimmer/component';
import { action } from '@ember/object';
import { tracked } from '@glimmer/tracking';
export default class DropdownComponent extends Component {
@tracked feature = 'one';
defaultOptions = ['one', 'two', 'three'];
all = true;
get options() {
let list = this.defaultOptions;
if (this.all)
list.push('four', 'five');
return list;
}
@action
setFeature(event) {
let feature = event.target.value;
let list = this.options;
// select another feature if the current isn't available
if (list.indexOf(feature) == -1)
feature = list[list.length - 1];
this.feature = feature; // adjust as desired
}
}
import Controller from '@ember/controller';
export default class ApplicationController extends Controller {
appName = 'Ember Twiddle';
}
<h1>Welcome to {{this.appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
<ParentComponent />
Dropdown here:
<select {{on 'change' @onChange}}>
{{#each @options as |opt|}}
<option>{{opt}}</option>
{{/each}}
</select>
Parent component:<br>
selected feature: {{this.feature}}<br><br>
<DropdownComponent @options={{this.options}} @selectedFeature={{@model.feature}} @onChange={{this.setFeature}} />
{
"version": "0.17.1",
"EmberENV": {
"FEATURES": {},
"_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
"_APPLICATION_TEMPLATE_WRAPPER": true,
"_JQUERY_INTEGRATION": true
},
"options": {
"use_pods": false,
"enable-testing": false
},
"dependencies": {
"jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
"ember": "3.18.1",
"ember-template-compiler": "3.18.1",
"ember-testing": "3.18.1"
},
"addons": {
"@glimmer/component": "1.0.0"
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment