dees-appui-catalog/ts_web/elements/deap-maincontent.ts
2021-03-06 17:07:06 +00:00

117 lines
3.1 KiB
TypeScript

import * as interfaces from './interfaces';
import { DeesElement, TemplateResult, property, customElement, html } from '@designestate/dees-element';
import * as domtools from '@designestate/dees-domtools';
@customElement('deap-maincontent')
export class DeapMaincontent extends DeesElement {
public static demo = () => html`<deap-maincontent></deap-maincontent>`;
// INSTANCE
@property()
public tabs: interfaces.tab[] = [
{key: 'option 1', action: () => {alert('hello')}},
{key: 'a very long option', action: () => {}},
{key: 'option 3', action: () => {}},
{key: 'option 4', action: () => {}}
];
@property()
public selectedTab = null;
public render(): TemplateResult {
return html`
${domtools.elementBasic.styles}
<style>
:host {
color: #fff;
display: block;
width: 100%;
height: 100%;
position: relative;
background: #222222;
}
.maincontainer {
position: absolute;
height: 100%;
right: 0px;
top: 0px;
width: 100%;
}
.topbar {
position: absolute;
width: 100%;
height: 120px;
background: #101010;
user-select: none;
}
.topbar .heading {
padding: 30px 50px 25px 50px;
font-family: Roboto Mono;
font-size: 25px;
}
.topbar .tabsContainer {
display: grid;
margin-left: 50px;
grid-template-columns: repeat(${this.tabs.length}, min-content)
}
.topbar .tabsContainer .tab {
color: #a0a0a0;
white-space: nowrap;
margin-right: 20px;
cursor: pointer;
}
.topbar .tabIndicator {
position: absolute;
left: 50px;
bottom: 0px;
height: 4px;
width: 50px;
background: #484848;
transition: all 0.3s;
}
.mainicon {}
</style>
<div class="maincontainer">
<div class="topbar">
<div class="heading">lossless.com</div>
<div class="tabsContainer">
${this.tabs.map(tabArg => {
return html`
<div class="tab" @click="${() => {this.selectedTab = tabArg; this.updateIndicator(); tabArg.action()}}">${tabArg.key}</div>
`;
})}
</div>
<div class="tabIndicator"></div>
</div>
</div>
`;
}
firstUpdated() {
this.updateIndicator();
}
/**
* updates the indicator
*/
private updateIndicator() {
let selectedTab = this.selectedTab;
if (!selectedTab) {
selectedTab = this.tabs[0];
}
const tabIndex = this.tabs.indexOf(selectedTab);
const selectedTabElement: HTMLElement = this.shadowRoot.querySelector(`.tabsContainer .tab:nth-child(${tabIndex + 1})`);
const tabIndicator: HTMLElement = this.shadowRoot.querySelector('.tabIndicator');
tabIndicator.style.width = selectedTabElement.clientWidth + 'px';
tabIndicator.style.left = selectedTabElement.offsetLeft + 'px';
}
}