mirror of
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139 lines
3.2 KiB
TypeScript
139 lines
3.2 KiB
TypeScript
/**
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* EGroupware eTemplate2 - InvokerMixing
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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 api
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* @link https://www.egroupware.org
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* @author Ralf Becker
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*/
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/* eslint-disable import/no-extraneous-dependencies */
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import {dedupeMixin, html, render} from '@lion/core';
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import {Et2InputWidget} from "../Et2InputWidget/Et2InputWidget";
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/**
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* Invoker mixing adds an invoker button to a widget to trigger some action, e.g.:
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* - searchbox to delete input
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* - url to open url
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* - url-email to open mail compose
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*
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* Inspired by Lion date-picker.
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*/
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export const Et2InvokerMixin = dedupeMixin((superclass) =>
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{
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class Et2Invoker extends Et2InputWidget(superclass)
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{
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/** @type {any} */
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static get properties()
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{
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return {
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_invokerLabel: {
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type: String,
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},
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_invokerTitle: {
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type: String,
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},
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_invokerAction: {
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type: Function,
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}
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};
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}
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get slots()
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{
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return {
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...super.slots,
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suffix: () =>
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{
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const renderParent = document.createElement('div');
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render(
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this._invokerTemplate(),
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renderParent
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);
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return /** @type {HTMLElement} */ (renderParent.firstElementChild);
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},
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};
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}
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/**
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* @protected
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*/
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get _invokerNode()
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{
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return /** @type {HTMLElement} */ (this.querySelector(`#${this.__invokerId}`));
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}
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constructor()
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{
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super();
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/** @private */
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this.__invokerId = this.__createUniqueIdForA11y();
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// default for properties
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this._invokerLabel = '⎆';
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this._invokerTitle = 'Click to open';
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this._invokerAction = () => alert('Invoked :)');
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}
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/** @private */
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__createUniqueIdForA11y()
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{
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return `${this.localName}-${Math.random().toString(36).substr(2, 10)}`;
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}
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/**
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* @param {PropertyKey} name
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* @param {?} oldValue
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*/
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requestUpdate(name, oldValue)
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{
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super.requestUpdate(name, oldValue);
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if (name === 'disabled' || name === 'showsFeedbackFor' || name === 'modelValue')
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{
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this._toggleInvokerDisabled();
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}
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}
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/**
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* Method to check if invoker can be activated: not disabled, empty or invalid
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*
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* @protected
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* */
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_toggleInvokerDisabled()
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{
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if (this._invokerNode)
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{
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const invokerNode = /** @type {HTMLElement & {disabled: boolean}} */ (this._invokerNode);
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invokerNode.disabled = this.disabled || this._isEmpty() || this.hasFeedbackFor.length > 0;
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}
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}
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/** @param {import('@lion/core').PropertyValues } changedProperties */
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firstUpdated(changedProperties)
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{
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super.firstUpdated(changedProperties);
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this._toggleInvokerDisabled();
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}
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/**
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* Subclassers can replace this with their custom extension invoker,
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* like `<my-button><calendar-icon></calendar-icon></my-button>`
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*/
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// eslint-disable-next-line class-methods-use-this
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_invokerTemplate()
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{
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return html`
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<button
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type="button"
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@click="${this._invokerAction}"
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id="${this.__invokerId}"
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aria-label="${this.egw().lang(this._invokerTitle)}"
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title="${this.egw().lang(this._invokerTitle)}"
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>
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${this._invokerLabel}
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</button>
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`;
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}
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}
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return Et2Invoker;
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}) |