mirror of
https://github.com/EGroupware/egroupware.git
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142 lines
2.8 KiB
TypeScript
142 lines
2.8 KiB
TypeScript
/**
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* EGroupware eTemplate2 - Checkbox widget
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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} from "lit";
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import {Et2InputWidget} from "../Et2InputWidget/Et2InputWidget";
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import '../Et2Image/Et2Image';
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import {SlCheckbox} from "@shoelace-style/shoelace";
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import shoelace from "../Styles/shoelace";
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import {property} from "lit/decorators/property.js";
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export class Et2Checkbox extends Et2InputWidget(SlCheckbox)
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{
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/**
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* Value to set checkbox in (third) indeterminate state
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*/
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static readonly INDETERMINATE = '***undefined***';
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static get styles()
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{
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return [
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...shoelace,
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...super.styles,
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css`
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:host {
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/* Make it line up with the middle of surroundings */
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margin: auto 0px;
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vertical-align: baseline;
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}
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:host([disabled]) {
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display: initial;
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}
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/* Fix positioning */
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.checkbox {
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position: relative;
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}
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/* Extend hover highlight to label */
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.checkbox:not(.checkbox--disabled):hover {
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color: var(--sl-input-border-color-hover);
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}
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/* Use normal color even when required */
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:host([required]) .checkbox__control {
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color: var(--input-text-color);
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}
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`,
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];
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}
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@property({type: String})
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selectedValue = true;
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@property({type: String})
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unselectedValue = false;
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constructor()
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{
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super();
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this.isSlComponent = true;
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}
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connectedCallback()
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{
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super.connectedCallback();
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}
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get label()
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{
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return this._labelNode?.textContent || "";
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}
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set label(label_text)
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{
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if(this._labelNode)
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{
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this._labelNode.textContent = label_text;
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}
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else
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{
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this.updateComplete.then(() =>
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{
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this.label = label_text;
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})
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}
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}
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get value() : string | boolean
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{
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return this.indeterminate ? undefined :
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(this.checked ? this.selectedValue : this.unselectedValue);
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}
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set value(new_value : string | boolean)
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{
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this.requestUpdate("checked");
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this.indeterminate = false;
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if(typeof new_value === "boolean")
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{
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this.checked = new_value;
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}
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else if(new_value == this.selectedValue)
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{
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this.checked = true;
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}
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else if(new_value == this.unselectedValue)
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{
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this.checked = false;
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}
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// concept of an indeterminate value did not exist in eT2 and set value gets called with all kind of truthy of falsy values
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// therefore we can NOT set everything not matching our (un)selectedValue to indeterminate!
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// For now, we only do that for an explicit Et2Checkbox.INDETERMINATE value
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else if (new_value === Et2Checkbox.INDETERMINATE)
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{
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this.indeterminate = true;
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}
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else
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{
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this.checked = !!new_value;
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}
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}
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private get _labelNode()
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{
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return this.shadowRoot?.querySelector("slot:not([name])");
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}
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}
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customElements.define("et2-checkbox", Et2Checkbox); |