mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-23 08:23:12 +01:00
235ff7a2cf
- Fix always including all accounts - Limit included accounts to 100 to avoid breaking - Let repeat() cache - Improved "more results" count - Reduce repeats & iteration needed
866 lines
23 KiB
TypeScript
866 lines
23 KiB
TypeScript
/**
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* EGroupware eTemplate2 - Select 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 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, LitElement, nothing, PropertyValues, TemplateResult} from "lit";
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import {html, literal, StaticValue} from "lit/static-html.js";
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import {Et2WidgetWithSelectMixin} from "./Et2WidgetWithSelectMixin";
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import {SelectOption} from "./FindSelectOptions";
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import shoelace from "../Styles/shoelace";
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import {RowLimitedMixin} from "../Layout/RowLimitedMixin";
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import {Et2WithSearchMixin} from "./SearchMixin";
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import {property} from "lit/decorators/property.js";
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import {SlChangeEvent, SlOption, SlSelect} from "@shoelace-style/shoelace";
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import {repeat} from "lit/directives/repeat.js";
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import {classMap} from "lit/directives/class-map.js";
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// export Et2WidgetWithSelect which is used as type in other modules
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export class Et2WidgetWithSelect extends RowLimitedMixin(Et2WidgetWithSelectMixin(LitElement))
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{
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// Gets an array of all <sl-option> elements
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protected getAllOptions()
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{
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// @ts-ignore
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return [...this.querySelectorAll<Et2Option>('sl-option')];
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}
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};
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/**
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* Select widget
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*
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* At its most basic, you can select one option from a list provided. The list can be passed from the server in
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* the sel_options array or options can be added as children in the template. Some extending classes provide specific
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* options, such as Et2SelectPercent or Et2SelectCountry. All provided options will be mixed together and used.
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*
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* To allow selecting more than one option, use the attribute multiple="true". This will take & return an array
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* as value instead of just a string.
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*
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* SearchMixin adds additional abilities to ALL select boxes
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* @see Et2WithSearchMixin
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*
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* Override for extending widgets:
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* # Custom display of selected value
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* When selecting a single value (!multiple) you can override doLabelChange() to customise the displayed label
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* @see Et2SelectCategory, which adds in the category icon
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*
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* # Custom option rows
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* Options can have 'class' and 'icon' properties that will be used for the option
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* The easiest way for further customisation to use CSS in an external file (like etemplate2.css) and ::part().
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* @see Et2SelectCountry which displays flags via CSS instead of using SelectOption.icon
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*
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* # Custom tags
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* When multiple is set, instead of a single value each selected value is shown in a tag. While it's possible to
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* use CSS to some degree, we can also use a custom tag class that extends Et2Tag.
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* 1. Create the extending class
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* 2. Make sure it's loaded (add to etemplate2.ts)
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* 3. In your extending Et2Select, override get tagTag() to return the custom tag name
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*
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*/
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// @ts-ignore SlSelect styles is a single CSSResult, not an array, so TS complains
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export class Et2Select extends Et2WithSearchMixin(Et2WidgetWithSelect)
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{
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static get styles()
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{
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return [
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// Parent (SlSelect) returns a single cssResult, not an array
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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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display: block;
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flex: 1 0 auto;
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--icon-width: 20px;
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}
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::slotted(img), img {
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vertical-align: middle;
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}
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/* Get rid of padding before/after options */
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sl-menu::part(base) {
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padding: 0px;
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}
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/* No horizontal scrollbar, even if options are long */
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.dropdown__panel {
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overflow-x: clip;
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}
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/* Ellipsis when too small */
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.select__tags {
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max-width: 100%;
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}
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.select__label {
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display: block;
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text-overflow: ellipsis;
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/* This is usually not used due to flex, but is the basis for ellipsis calculation */
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width: 10ex;
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}
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/** multiple=true uses tags for each value **/
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/* styling for icon inside tag (not option) */
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.tag_image {
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margin-right: var(--sl-spacing-x-small);
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}
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/* Maximum height + scrollbar on tags (+ other styling) */
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.select__tags {
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margin-left: 0px;
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max-height: initial;
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overflow-y: auto;
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gap: 0.1rem 0.5rem;
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}
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.select--medium .select__tags {
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padding-top: 2px;
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padding-bottom: 2px;
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}
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:host([rows]) .select__control > .select__label > .select__tags {
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max-height: calc(var(--rows, 5) * 29px);
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}
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:host([rows='1']) .select__tags {
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overflow: hidden;
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}
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/* Keep overflow tag right-aligned. It's the only sl-tag. */
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.select__tags sl-tag {
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margin-left: auto;
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}
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select:hover {
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box-shadow: 1px 1px 1px rgb(0 0 0 / 60%);
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}
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/* Hide dropdown trigger when multiple & readonly */
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:host([readonly][multiple])::part(expand-icon) {
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display: none;
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}
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/* Style for tag count if rows=1 */
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:host([readonly][multiple][rows])::part(tags) {
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position: absolute;
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right: 0px;
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top: 1px;
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box-shadow: rgb(0 0 0/50%) -1.5ex 0px 1ex -1ex, rgb(0 0 0 / 0%) 0px 0px 0px 0px;
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}
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:host([readonly][multiple][rows]) .select__tags sl-tag::part(base) {
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background-color: var(--sl-input-background-color);
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border-top-left-radius: 0;
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border-bottom-left-radius: 0;
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font-weight: bold;
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min-width: 3em;
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justify-content: center;
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}
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/* Show all rows on hover if rows=1 */
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:host([readonly][multiple][rows]):hover .select__tags {
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width: -webkit-fill-available;
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width: -moz-fill-available;
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width: fill-available;
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}
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::part(listbox) {
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z-index: 1;
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background: var(--sl-input-background-color);
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padding: var(--sl-input-spacing-small);
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padding-left: 2px;
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box-shadow: var(--sl-shadow-large);
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min-width: fit-content;
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border-radius: var(--sl-border-radius-small);
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border: 1px solid var(--sl-color-neutral-200);
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max-height: 15em;
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overflow-y: auto;
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}
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::part(display-label) {
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margin: 0;
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}
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:host::part(display-label) {
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max-height: 8em;
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overflow-y: auto;
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}
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:host([readonly])::part(combobox) {
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background: none;
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opacity: 1;
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border: none;
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}
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`
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];
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}
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static get properties()
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{
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return {
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...super.properties,
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/**
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* Toggle between single and multiple selection
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*/
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multiple: {
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type: Boolean,
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reflect: true,
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},
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/**
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* Click handler for individual tags instead of the select as a whole.
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* Only used if multiple=true so we have tags
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*/
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onTagClick: {
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type: Function,
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}
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}
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}
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/** Placeholder text to show as a hint when the select is empty. */
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@property() placeholder = '';
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/** Allows more than one option to be selected. */
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@property({type: Boolean, reflect: true}) multiple = false;
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/** Disables the select control. */
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@property({type: Boolean, reflect: true}) disabled = false;
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/** Adds a clear button when the select is not empty. */
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@property({type: Boolean}) clearable = false;
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/** The select's label. If you need to display HTML, use the `label` slot instead. */
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@property() label = '';
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/**
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* The preferred placement of the select's menu. Note that the actual placement may vary as needed to keep the listbox
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* inside of the viewport.
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*/
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@property({reflect: true}) placement : 'top' | 'bottom' = 'bottom';
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/** The select's help text. If you need to display HTML, use the `help-text` slot instead. */
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@property({attribute: 'help-text'}) helpText = '';
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/** The select's required attribute. */
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@property({type: Boolean, reflect: true}) required = false;
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private __value : string | string[] = "";
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constructor()
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{
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super();
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this.hoist = true;
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this._tagTemplate = this._tagTemplate.bind(this);
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}
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/**
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* List of properties that get translated
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*
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* @returns object
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*/
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static get translate()
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{
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return {
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...super.translate,
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emptyLabel: true
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}
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}
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connectedCallback()
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{
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super.connectedCallback();
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this.updateComplete.then(() =>
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{
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this.addEventListener("sl-change", this._triggerChange);
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// Fixes missing empty label
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this.select?.requestUpdate("value");
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// Fixes incorrect opening position
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this.select?.popup?.handleAnchorChange();
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});
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}
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disconnectedCallback()
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{
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super.disconnectedCallback();
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this.removeEventListener("sl-change", this._triggerChange);
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}
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_triggerChange(e)
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{
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if(super._triggerChange(e))
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{
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this.dispatchEvent(new Event("change", {bubbles: true}));
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}
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}
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/**
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* Handle the case where there is no value set, or the value provided is not an option.
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* If this happens, we choose the first option or empty label.
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*
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* Careful when this is called. We change the value here, so an infinite loop is possible if the widget has
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* onchange.
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*
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*/
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protected fix_bad_value()
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{
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// Stop if there are no options
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if(!Array.isArray(this.select_options) || this.select_options.length == 0)
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{
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// Nothing to do here
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return;
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}
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// emptyLabel is fine
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if(this.value === "" && this.emptyLabel)
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{
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return;
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}
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let valueArray = this.getValueAsArray();
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// Check for value using missing options (deleted or otherwise not allowed)
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let filtered = this.filterOutMissingOptions(valueArray);
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if(filtered.length != valueArray.length)
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{
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this.value = filtered;
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return;
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}
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// Multiple is allowed to be empty, and if we don't have an emptyLabel or options nothing to do
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if(this.multiple || (!this.emptyLabel && this.select_options.length === 0))
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{
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return;
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}
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// See if parent (search / free entry) is OK with it
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if(super.fix_bad_value())
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{
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return;
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}
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// If somebody gave '' as a select_option, let it be
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if(this.value === '' && this.select_options.filter((option) => this.value === option.value).length == 1)
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{
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return;
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}
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// If no value is set, choose the first option
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// Only do this on once during initial setup, or it can be impossible to clear the value
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// value not in options --> use emptyLabel, if exists, or first option otherwise
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if(this.select_options.filter((option) => valueArray.find(val => val == option.value) ||
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Array.isArray(option.value) && option.value.filter(o => valueArray.find(val => val == o.value))).length === 0)
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{
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let oldValue = this.value;
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this.value = this.emptyLabel ? "" : "" + this.select_options[0]?.value;
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// ""+ to cast value of 0 to "0", to not replace with ""
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this.requestUpdate("value", oldValue);
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}
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}
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@property()
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get value()
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{
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// Handle a bunch of non-values, if it's multiple we want an array
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if(this.multiple && (this.__value == "null" || this.__value == null || typeof this.__value == "undefined" ||
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!this.emptyLabel && this.__value == "" && !this.select_options.find(o => o.value == "")))
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{
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return [];
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}
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if(!this.multiple && !this.emptyLabel && this.__value == "" && !this.select_options.find(o => o.value == ""))
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{
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return null;
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}
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return this.multiple ?
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this.__value ?? [] :
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this.__value ?? "";
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}
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// @ts-ignore
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set value(val : string | string[] | number | number[])
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{
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if(typeof val === "undefined" || val == null)
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{
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val = "";
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}
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if(typeof val === 'string' && val.indexOf(',') !== -1 && this.multiple)
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{
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val = val.split(',');
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}
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if(typeof val === 'number')
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{
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val = val.toString();
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}
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const oldValue = this.value;
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if(Array.isArray(val))
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{
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// Make sure value has no duplicates, and values are strings
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this.__value = <string[]>[...new Set(val.map(v => (typeof v === 'number' ? v.toString() : v || '')))];
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}
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else
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{
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this.__value = val;
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}
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if(this.multiple && typeof this.__value == "string")
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{
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this.__value = this.__value != "" ? [this.__value] : [];
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}
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if(this.select)
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{
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this.select.value = this.__value;
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}
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this.requestUpdate("value", oldValue);
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}
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/**
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* Check a value for missing options and remove them.
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*
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* We'll warn about it in the helpText, and if they save the change will be made.
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* This is to avoid the server-side validation error, which the user can't do much about.
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*
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* @param {string[]} value
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* @returns {string[]}
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*/
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filterOutMissingOptions(value : string[]) : string[]
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{
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if(!this.readonly && value && value.length > 0 && !this.allowFreeEntries && this.select_options.length > 0)
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{
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function filterBySelectOptions(arrayToFilter, options : SelectOption[])
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{
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const filteredArray = arrayToFilter.filter(item =>
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{
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// Check if item is found in options
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return !options.some(option =>
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{
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if(typeof option.value === 'string')
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{
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// Regular option
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return option.value === item;
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}
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else if(Array.isArray(option.value))
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{
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// Recursively check if item is found in nested array (option groups)
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return filterBySelectOptions([item], option.value).length > 0;
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}
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return false;
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});
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});
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return filteredArray;
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}
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// Empty is allowed, if there's an emptyLabel
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if(value.toString() == "" && this.emptyLabel)
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{
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return value;
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}
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const missing = filterBySelectOptions(value, this.select_options);
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if(missing.length > 0)
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{
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debugger;
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console.warn("Invalid option '" + missing.join(", ") + "' removed from " + this.id, this);
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value = value.filter(item => missing.indexOf(item) == -1);
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}
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}
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return value;
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}
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/**
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* Additional customisations from the XET node
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*
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* @param {Element} _node
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*/
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loadFromXML(_node : Element)
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{
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super.loadFromXML(_node);
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// Wait for update to be complete before we check for bad value so extending selects can have a chance
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this.updateComplete.then(() => this.fix_bad_value());
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}
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/** @param {import('@lion/core').PropertyValues } changedProperties */
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willUpdate(changedProperties : PropertyValues)
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{
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super.willUpdate(changedProperties);
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if(changedProperties.has("multiple"))
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{
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this.value = this.__value;
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}
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if(changedProperties.has("select_options") || changedProperties.has("value") || changedProperties.has("emptyLabel"))
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{
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this.updateComplete.then(() => this.fix_bad_value());
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}
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if(changedProperties.has("select_options") && changedProperties.has("value"))
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{
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}
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}
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/**
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* Tag used for rendering tags when multiple=true
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* Used for creating, finding & filtering options.
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* @see createTagNode()
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* @returns {string}
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*/
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public get tagTag() : StaticValue
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{
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return literal`et2-tag`;
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}
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blur()
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{
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if(typeof super.blur == "function")
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{
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super.blur();
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}
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this.hide();
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}
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/* Parent should be fine now?
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private handleTagRemove(event : CustomEvent, option)
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{
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event.stopPropagation();
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if(!this.disabled)
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{
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option.selected = false;
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let index = this.value.indexOf(option.value);
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if(index > -1)
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{
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this.value.splice(index, 1);
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}
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this.dispatchEvent(new CustomEvent('sl-input'));
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this.dispatchEvent(new CustomEvent('sl-change'));
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this.validate();
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}
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}
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*/
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/**
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* Apply the user preference to close the dropdown if an option is clicked, even if multiple=true.
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* The default (from SlSelect) leaves the dropdown open for multiple=true
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*
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* @param {MouseEvent} event
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* @private
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*/
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private handleOptionClick(event : MouseEvent)
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{
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super.handleOptionClick(event);
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|
// Only interested in option clicks, but handler is bound higher
|
|
if(event.target.tagName !== "SL-OPTION")
|
|
{
|
|
return;
|
|
}
|
|
|
|
if(this._close_on_select)
|
|
{
|
|
this.hide();
|
|
}
|
|
}
|
|
|
|
private et2HandleBlur(event : Event)
|
|
{
|
|
if(typeof super.et2HandleBlur === "function")
|
|
{
|
|
super.et2HandleBlur(event);
|
|
}
|
|
this.dropdown?.hide();
|
|
}
|
|
|
|
|
|
protected handleValueChange(e : SlChangeEvent)
|
|
{
|
|
// Only interested when selected value changes, not any nested inputs
|
|
if(e.target !== this.select)
|
|
{
|
|
return;
|
|
}
|
|
|
|
const old_value = this.__value;
|
|
this.__value = Array.isArray(this.select.value) ?
|
|
this.select.value.map(e => e.replaceAll("___", " ")) :
|
|
this.select.value.replaceAll("___", " ");
|
|
this.requestUpdate("value", old_value);
|
|
}
|
|
|
|
/**
|
|
* Always close the dropdown if an option is clicked, even if multiple=true. This differs from SlSelect,
|
|
* which leaves the dropdown open for multiple=true
|
|
*
|
|
* @param {KeyboardEvent} event
|
|
* @private
|
|
*/
|
|
private handleKeyDown(event : KeyboardEvent)
|
|
{
|
|
if(event.key === 'Enter' || (event.key === ' ' && this.typeToSelectString === ''))
|
|
{
|
|
this.dropdown.hide().then(() =>
|
|
{
|
|
if(typeof this.handleMenuHide == "function")
|
|
{
|
|
// Make sure search gets hidden
|
|
this.handleMenuHide();
|
|
}
|
|
});
|
|
event.stopPropagation();
|
|
}
|
|
|
|
}
|
|
|
|
/** Shows the listbox. */
|
|
async show()
|
|
{
|
|
return this.select.show();
|
|
}
|
|
|
|
/** Hides the listbox. */
|
|
async hide()
|
|
{
|
|
this.select.hide();
|
|
}
|
|
|
|
get open()
|
|
{
|
|
return this.select?.open ?? false;
|
|
}
|
|
|
|
protected _renderOptions()
|
|
{return Promise.resolve();}
|
|
|
|
protected get select() : SlSelect
|
|
{
|
|
return this.shadowRoot?.querySelector("sl-select");
|
|
}
|
|
|
|
/**
|
|
* Custom, dynamic styling
|
|
*
|
|
* Put as much as you can in static styles for performance reasons
|
|
* Override this for custom dynamic styles
|
|
*
|
|
* @returns {TemplateResult}
|
|
* @protected
|
|
*/
|
|
protected _styleTemplate() : TemplateResult
|
|
{
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Used for the "no value" option for single select
|
|
* Placeholder is used for multi-select with no value
|
|
*
|
|
* @returns {TemplateResult}
|
|
*/
|
|
_emptyLabelTemplate() : TemplateResult
|
|
{
|
|
if(!this.emptyLabel || this.multiple)
|
|
{
|
|
return html``;
|
|
}
|
|
return html`
|
|
<sl-option
|
|
part="emptyLabel option"
|
|
value=""
|
|
.selected=${this.getValueAsArray().some(v => v == "")}
|
|
>
|
|
${this.emptyLabel}
|
|
</sl-option>`;
|
|
}
|
|
|
|
/**
|
|
* Iterate over all the options
|
|
* @returns {TemplateResult}
|
|
* @protected
|
|
*/
|
|
protected _optionsTemplate() : TemplateResult
|
|
{
|
|
return html`${repeat(this.select_options
|
|
// Filter out empty values if we have empty label to avoid duplicates
|
|
.filter(o => this.emptyLabel ? o.value !== '' : o), o => o.value, this._groupTemplate.bind(this))
|
|
}`;
|
|
}
|
|
|
|
/**
|
|
* Used to render each option into the select
|
|
* Override for custom select options. Note that spaces are not allowed in option values,
|
|
* and sl-select _requires_ options to be <sl-option>
|
|
*
|
|
* @param {SelectOption} option
|
|
* @returns {TemplateResult}
|
|
*/
|
|
protected _optionTemplate(option : SelectOption) : TemplateResult
|
|
{
|
|
// Exclude non-matches when searching
|
|
// unless they're already selected, in which case removing them removes them from value
|
|
if(typeof option.isMatch == "boolean" && !option.isMatch && !this.getValueAsArray().includes(option.value))
|
|
{
|
|
return html``;
|
|
}
|
|
|
|
// Tag used must match this.optionTag, but you can't use the variable directly.
|
|
// Pass option along so SearchMixin can grab it if needed
|
|
const value = (<string>option.value).replaceAll(" ", "___");
|
|
const classes = option.class ? Object.fromEntries((option.class).split(" ").map(k => [k, true])) : {};
|
|
return html`
|
|
<sl-option
|
|
part="option"
|
|
exportparts="prefix:tag__prefix, suffix:tag__suffix"
|
|
value="${value}"
|
|
title="${!option.title || this.noLang ? option.title : this.egw().lang(option.title)}"
|
|
class=${classMap({
|
|
"match": this.searchEnabled && (option.isMatch || false),
|
|
"no-match": this.searchEnabled && !(option.isMatch || false),
|
|
...classes
|
|
})}
|
|
.option=${option}
|
|
.selected=${this.getValueAsArray().some(v => v == value)}
|
|
?disabled=${option.disabled}
|
|
>
|
|
${this._iconTemplate(option)}
|
|
${this.noLang ? option.label : this.egw().lang(option.label)}
|
|
</sl-option>`;
|
|
}
|
|
|
|
/**
|
|
* Get the icon for the select option
|
|
*
|
|
* @param option
|
|
* @protected
|
|
*/
|
|
protected _iconTemplate(option)
|
|
{
|
|
if(!option.icon)
|
|
{
|
|
return html``;
|
|
}
|
|
|
|
return html`
|
|
<et2-image slot="prefix" part="icon" style="width: var(--icon-width)"
|
|
src="${option.icon}"></et2-image>`
|
|
}
|
|
|
|
|
|
/**
|
|
* Custom tag
|
|
*
|
|
* Override this to customise display when multiple=true.
|
|
* There is no restriction on the tag used, unlike _optionTemplate()
|
|
*
|
|
* @param {Et2Option} option
|
|
* @param {number} index
|
|
* @returns {TemplateResult}
|
|
* @protected
|
|
*/
|
|
protected _tagTemplate(option : SlOption, index : number) : TemplateResult
|
|
{
|
|
const readonly = (this.readonly || option && typeof (option.disabled) != "undefined" && option.disabled);
|
|
const isEditable = this.editModeEnabled && !readonly;
|
|
const image = this._iconTemplate(option);
|
|
const tagName = this.tagTag;
|
|
return html`
|
|
<${tagName}
|
|
part="tag"
|
|
exportparts="
|
|
base:tag__base,
|
|
content:tag__content,
|
|
remove-button:tag__remove-button,
|
|
remove-button__base:tag__remove-button__base,
|
|
icon:icon
|
|
"
|
|
class=${"search_tag " + option.classList.value}
|
|
?pill=${this.pill}
|
|
size=${this.size || "medium"}
|
|
?removable=${!readonly}
|
|
?readonly=${readonly}
|
|
?editable=${isEditable}
|
|
.value=${option.value.replaceAll("___", " ")}
|
|
@change=${this.handleTagEdit}
|
|
@dblclick=${this._handleDoubleClick}
|
|
@click=${typeof this.onTagClick == "function" ? (e) => this.onTagClick(e, e.target) : nothing}
|
|
>
|
|
${image ?? nothing}
|
|
${option.getTextLabel().trim()}
|
|
</${tagName}>
|
|
`;
|
|
}
|
|
|
|
/**
|
|
* Additional customisation template
|
|
* Override if needed. Added after select options.
|
|
*
|
|
* @protected
|
|
*/
|
|
protected _extraTemplate() : TemplateResult | typeof nothing
|
|
{
|
|
return typeof super._extraTemplate == "function" ? super._extraTemplate() : nothing;
|
|
}
|
|
|
|
public render()
|
|
{
|
|
const value = Array.isArray(this.value) ?
|
|
this.value.map(v => { return v.replaceAll(" ", "___"); }) :
|
|
(typeof this.value == "string" ? this.value.replaceAll(" ", "___") : "");
|
|
|
|
let icon : TemplateResult | typeof nothing = nothing;
|
|
if(!this.multiple)
|
|
{
|
|
const icon_option = this.select_options.find(o => (o.value == value || Array.isArray(value) && value.includes(o.value)) && o.icon);
|
|
if(icon_option)
|
|
{
|
|
icon = this._iconTemplate(icon_option);
|
|
}
|
|
}
|
|
return html`
|
|
${this._styleTemplate()}
|
|
<sl-select
|
|
exportparts="prefix, tags, display-input, expand-icon, combobox, listbox, option"
|
|
label=${this.label}
|
|
placeholder=${this.placeholder || (this.multiple && this.emptyLabel ? this.emptyLabel : "")}
|
|
?multiple=${this.multiple}
|
|
?disabled=${this.disabled || this.readonly}
|
|
?clearable=${this.clearable}
|
|
?required=${this.required}
|
|
helpText=${this.helpText}
|
|
hoist
|
|
placement=${this.placement}
|
|
.getTag=${this._tagTemplate}
|
|
.maxOptionsVisible=${0}
|
|
.value=${value}
|
|
@sl-change=${this.handleValueChange}
|
|
@mouseup=${this.handleOptionClick}
|
|
>
|
|
${icon}
|
|
${this._emptyLabelTemplate()}
|
|
${this._optionsTemplate()}
|
|
${this._extraTemplate()}
|
|
<slot></slot>
|
|
</sl-select>
|
|
`;
|
|
}
|
|
}
|
|
|
|
if(typeof customElements.get("et2-select") === "undefined")
|
|
{
|
|
customElements.define("et2-select", Et2Select);
|
|
}
|
|
|
|
declare global
|
|
{
|
|
interface HTMLElementTagNameMap
|
|
{
|
|
"et2-select" : Et2Select;
|
|
}
|
|
} |