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108 lines
2.8 KiB
TypeScript
108 lines
2.8 KiB
TypeScript
/**
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* EGroupware eTemplate2 - Duration date widget (WebComponent)
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link https://www.egroupware.org
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* @author Nathan Gray
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*/
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import {css, html, LitElement} from "@lion/core";
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import {ButtonMixin} from "./ButtonMixin";
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/**
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* Up / Down spinner buttons are used to adjust a value by a set amount
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*
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* @event et2-scroll Emitted when one of the buttons is clicked. Check event.detail for direction. 1 for up, -1 for down.
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*
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* example:
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* Add the scroll into an input, then catch the et2-scroll event to adjust the value:
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* <et2-button-scroll slot="suffix" @et2-scroll=${this.handleScroll}></et2-button-scroll>
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*
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* handleScroll(e) {
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* this.value = "" + (this.valueAsNumber + e.detail * (parseFloat(this.step) || 1));
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* }
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*/
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export class Et2ButtonScroll extends ButtonMixin(LitElement)
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{
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static get styles()
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{
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return [
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...(super.styles ? (Array.isArray(super.styles) ? super.styles : [super.styles]) : []),
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css`
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/* Scroll buttons */
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.et2-button-scroll {
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display: flex;
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flex-direction: column;
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width: calc(var(--sl-input-height-medium) / 2);
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}
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et2-button-icon {
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font-size: 85%;
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height: calc(var(--sl-input-height-medium) / 2);
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/* Override spacing in sl-icon-button */
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--sl-spacing-x-small: 3px;
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}
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`,
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];
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}
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constructor()
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{
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super();
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this.handleClick = this.handleClick.bind(this);
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}
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/**
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* Catch clicks on buttons and dispatch an et2-scroll event with the direction included
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*
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* @param e
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* @private
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*/
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private handleClick(e)
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{
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const direction = parseInt(e.target.dataset.direction || "1") || 0;
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e.stopPropagation();
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this.dispatchEvent(new CustomEvent("et2-scroll", {bubbles: true, detail: direction}));
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}
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render()
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{
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// No spinner buttons on mobile
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if(typeof egwIsMobile == "function" && egwIsMobile())
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{
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return '';
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}
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return html`
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<div class="et2-button-scroll"
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part="form-control"
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exportparts="button:button"
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slot="suffix"
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@click=${this.handleClick}
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>
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<et2-button-icon
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noSubmit
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data-direction="1"
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name="chevron-up"
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part="button"
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>↑
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</et2-button-icon>
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<et2-button-icon
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noSubmit
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data-direction="-1"
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name="chevron-down"
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part="button"
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>↓
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</et2-button-icon>
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</div>`;
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}
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}
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if(typeof customElements.get("et2-button-scroll") == "undefined")
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{
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customElements.define("et2-button-scroll", Et2ButtonScroll);
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} |