dees-catalog/ts_web/elements/dees-input-dropdown.ts
2021-08-25 13:51:55 +02:00

133 lines
3.0 KiB
TypeScript

import { customElement, LitElement, TemplateResult, property, html } from 'lit-element';
import * as domtools from '@designestate/dees-domtools';
declare global {
interface HTMLElementTagNameMap {
'dees-input-dropdown': DeesInputDropdown;
}
}
@customElement('dees-input-dropdown')
export class DeesInputDropdown extends LitElement {
public static demo = () => html`<dees-input-dropdown></dees-input-dropdown>`
// INSTANCE
public changeSubject = new domtools.rxjs.Subject();
@property()
public label: string = 'Label';
@property()
public key: string;
@property()
public options: {option: string, key: string, payload?: any}[] = [];
@property()
public selectedOption: {option: string, key: string, payload?: any} = {
key: null,
option: null,
payload: null
};
@property({
type: Boolean
})
public required: boolean = false;
public render(): TemplateResult {
return html`
${domtools.elementBasic.styles}
<style>
* {
box-sizing: border-box;
}
:host {
position: relative;
display: block;
height: 40px;
}
.maincontainer {
display: block;
}
.label {
font-size: 14px;
margin-bottom: 15px;
}
.selectedBox {
cursor: pointer;
position: relative;
max-width: 420px;
height: 40px;
border: 1px solid #CCC;
padding: 12px;
z-index: 0px;
}
.selectionBox {
pointer-events: none;
cursor: pointer;
transition: all 0.2s ease;
opacity: 0;
position: relative;
background: #ffffff;
max-width: 420px;
box-shadow: 0px 0px 5px rgba(0,0,0,0.2);
height: 40px;
margin-top: -40px;
z-index: 100;
}
.selectionBox.show {
pointer-events: all;
opacity: 1;
min-height: 160px;
}
.option {
padding: 12px;
}
.option:hover {
background: #fafafa;
}
</style>
<div class="maincontainer">
<div class="selectedBox" @click="${event => {this.toggleSelectionBox();}}">
${this.selectedOption?.option}
</div>
<div class="selectionBox">
${this.options.map(option => {
return html`
<div class="option" @click=${() => {this.updateSelection(option);}}>${option.option}</div>
`
})}
</div>
</div>
`;
}
firstUpdated() {
this.selectedOption = this.options[0] || null;
}
public async updateSelection(selectedOption) {
this.selectedOption = selectedOption;
this.dispatchEvent(new CustomEvent('selectedOption', {
detail: selectedOption,
bubbles: true
}));
this.toggleSelectionBox();
this.changeSubject.next(this);
}
public toggleSelectionBox() {
this.shadowRoot.querySelector('.selectionBox').classList.toggle('show');
}
}