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