open-consul/ui/packages/consul-ui/app/components/menu-panel/index.js

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import Component from '@ember/component';
import { inject as service } from '@ember/service';
import { next } from '@ember/runloop';
import { set } from '@ember/object';
import Slotted from 'block-slots';
export default Component.extend(Slotted, {
tagName: '',
dom: service('dom'),
isConfirmation: false,
actions: {
connect: function($el) {
next(() => {
// if theres only a single choice in the menu and it doesn't have an
// immediate button/link/label to click then it will be a
// confirmation/informed action
const isConfirmationMenu = this.dom.element(
'li:only-child > [role="menu"]:first-child',
$el
);
set(this, 'isConfirmation', typeof isConfirmationMenu !== 'undefined');
});
},
change: function(e) {
const id = e.target.getAttribute('id');
const $trigger = this.dom.element(`[for='${id}']`);
const $panel = this.dom.element('[role=menu]', $trigger.parentElement);
const $menuPanel = this.dom.closest('.menu-panel', $panel);
if (e.target.checked) {
$panel.style.display = 'block';
const height = $panel.offsetHeight + 2;
$menuPanel.style.maxHeight = $menuPanel.style.minHeight = `${height}px`;
} else {
$panel.style.display = null;
$menuPanel.style.maxHeight = null;
$menuPanel.style.minHeight = '0';
}
},
},
});