mirror of
https://github.com/EGroupware/egroupware.git
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1595 lines
40 KiB
TypeScript
1595 lines
40 KiB
TypeScript
/**
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* EGroupware eTemplate2 - SearchMixin
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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, CSSResultGroup, html, LitElement, nothing, TemplateResult} from "lit";
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import {cleanSelectOptions, SelectOption} from "./FindSelectOptions";
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import {Validator} from "@lion/form-core";
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import {Et2Tag} from "./Tag/Et2Tag";
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import {StaticOptions} from "./StaticOptions";
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import {dedupeMixin} from "@open-wc/dedupe-mixin";
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import {SlOption} from "@shoelace-style/shoelace";
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import {Et2Textbox} from "../Et2Textbox/Et2Textbox";
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import {until} from "lit/directives/until.js";
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import {waitForEvent} from "../Et2Widget/event";
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// Otherwise import gets stripped
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let keep_import : Et2Tag;
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// Export the Interface for TypeScript
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type Constructor<T = {}> = new (...args : any[]) => T;
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export declare class SearchMixinInterface
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{
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/**
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* Enable searching on options
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*/
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search : boolean;
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/**
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* Get [additional] options from the server when you search, instead of just searching existing options
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*/
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searchUrl : string;
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/**
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* Allow adding new options that are not in the search results
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*/
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allowFreeEntries : boolean;
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/**
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* Additional search options passed to the search functions
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*
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* @type {object}
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*/
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searchOptions : object;
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/**
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* Start the search process
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*/
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startSearch() : void
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/**
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* Search local options
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*/
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localSearch(search : string, options : object) : Promise<void>
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/**
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* Search remote options.
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* If searchUrl is not set, it will return very quickly with no results
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*/
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remoteSearch(search : string, options : object) : Promise<void>
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/**
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* Check a [local] item to see if it matches
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*/
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searchMatch(search : string, options : object, item : LitElement) : boolean
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/**
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* Additional customisation location, where we stick the search elements
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*
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* @type {TemplateResult}
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*/
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}
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/**
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* Base class for things that do search type behaviour
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* Separated to keep things a little simpler.
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*
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* Currently I assume we're extending an Et2Select, so changes may need to be made for better abstraction
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*/
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export const Et2WithSearchMixin = dedupeMixin(<T extends Constructor<LitElement>>(superclass : T) =>
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{
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class Et2WidgetWithSearch extends superclass
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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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search: {type: Boolean, reflect: true},
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searchUrl: {type: String},
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/**
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* Allow custom entries that are not in the options
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*/
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allowFreeEntries: {type: Boolean, reflect: true},
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/**
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* Additional search parameters that are passed to the server
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* when we query searchUrl
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*/
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searchOptions: {type: Object},
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/**
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* Allow editing tags by clicking on them.
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* allowFreeEntries must be true
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*/
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editModeEnabled: {type: Boolean}
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}
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}
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static get styles() : CSSResultGroup
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{
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return [
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// @ts-ignore
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...(super.styles ? (Symbol.iterator in Object(super.styles) ? super.styles : [super.styles]) : []),
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css`
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/* Full width search textbox covers loading spinner, lift it up */
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::slotted(sl-spinner) {
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z-index: 2;
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}
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/* Show edit textbox only when editing */
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.search_input #edit {
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display: none;
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}
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.search_input.editing #search {
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display: none;
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}
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.search_input.editing #edit {
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display: initial;
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}
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:host([search]) sl-select[open]::part(prefix), :host([allowfreeentries]) sl-select[open]::part(prefix) {
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order: 9;
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flex: 2 1 auto;
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flex-wrap: wrap;
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width: 100%;
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}
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:host([search]) sl-select[open]::part(display-input), :host([allowfreeentries]) sl-select[open]::part(display-input) {
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display: none;
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}
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:host([search]) sl-select[open]::part(expand-icon) {
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display: none;
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}
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sl-select[open][multiple]::part(tags) {
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flex-basis: 100%;
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}
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sl-select[open][multiple]::part(combobox) {
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flex-flow: wrap;
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}
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/* Search textbox general styling, starts hidden */
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.search_input {
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display: none;
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/* See also etemplate2.css, searchbox border turned off in there */
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border: none;
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flex: 1 1 auto;
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order: 2;
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margin-left: 0px;
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height: var(--sl-input-height-medium);
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width: 100%;
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background-color: white;
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z-index: var(--sl-z-index-dropdown);
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}
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:host([search]) et2-textbox::part(base) {
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border: none;
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box-shadow: none;
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}
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/* Search UI active - show textbox & stuff */
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.search_input.active,
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.search_input.editing {
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display: flex;
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}
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/* If multiple and no value, overlap search onto widget instead of below */
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:host([multiple]) .search_input.active.novalue {
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top: 0px;
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}
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/* Hide options that do not match current search text */
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:host([search]) sl-option.no-match {
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display: none;
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}
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/* Different cursor for editable tags */
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:host([allowfreeentries]):not([readonly]) .search_tag::part(base) {
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cursor: text;
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}
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/** Readonly **/
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/* No border */
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:host([readonly]) .form-control-input {
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border: none;
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}
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/* disable focus border */
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:host([readonly]) .form-control-input:focus-within {
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box-shadow: none;
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}
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/* normal cursor */
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:host([readonly]) .select__control {
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cursor: initial;
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}
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`
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]
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}
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// Borrowed from Lion ValidatorMixin, but we don't want the whole thing
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protected defaultValidators : Validator[];
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protected validators : Validator[];
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private _searchTimeout : number;
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/**
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* When user is typing, we wait this long for them to be finished before we start the search
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* @type {number}
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* @protected
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*/
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protected static SEARCH_TIMEOUT = 500;
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/**
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* We need at least this many characters before we start the search
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*
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* @type {number}
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* @protected
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*/
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protected static MIN_CHARS = 2;
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/**
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* Limit server searches to 100 results, matches Link::DEFAULT_NUM_ROWS
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* @type {number}
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*/
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static RESULT_LIMIT : number = 100;
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// Hold the original option data from earlier search results, since we discard on subsequent search
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private _selected_remote = <SelectOption[]>[];
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// Hold current search results, selected or otherwise
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private _remote_options = <SelectOption[]>[];
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private _total_result_count = 0;
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protected _searchPromise = null;
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/**
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* These characters will end a free tag
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* @type {string[]}
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*/
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static TAG_BREAK : string[] = ["Tab", "Enter", ","];
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constructor(...args : any[])
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{
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super(...args);
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this.search = false;
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this.searchUrl = "";
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this.searchOptions = {app: "addressbook"};
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this.allowFreeEntries = false;
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this.editModeEnabled = false;
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// Hiding the selected options from the dropdown means we can't un-select the tags
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// hidden by the max limit. Prefer no limit.
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this.maxOptionsVisible = -1;
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this.validators = [];
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/**
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* Used by Subclassers to add default Validators.
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* A email input for instance, always needs the isEmail validator.
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* @example
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* ```js
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* this.defaultValidators.push(new IsDate());
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* ```
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* @type {Validator[]}
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*/
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this.defaultValidators = [];
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this.handleOptionClick = this.handleOptionClick.bind(this);
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this._handleChange = this._handleChange.bind(this);
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this.handleTagEdit = this.handleTagEdit.bind(this);
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this._handleAfterShow = this._handleAfterShow.bind(this);
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this._handleMenuHide = this._handleMenuHide.bind(this);
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this._handleSearchBlur = this._handleSearchBlur.bind(this);
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this._handleClear = this._handleClear.bind(this);
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this._handleDoubleClick = this._handleDoubleClick.bind(this);
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this._handleSearchAbort = this._handleSearchAbort.bind(this);
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this._handleSearchClear = this._handleSearchClear.bind(this);
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this._handleSearchChange = this._handleSearchChange.bind(this);
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this._handleSearchKeyDown = this._handleSearchKeyDown.bind(this);
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this._handleSearchMouseDown = this._handleSearchMouseDown.bind(this);
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this._handleEditKeyDown = this._handleEditKeyDown.bind(this);
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this._handlePaste = this._handlePaste.bind(this);
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}
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connectedCallback()
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{
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super.connectedCallback();
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this.classList.toggle("search", this.searchEnabled);
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// Missing any of the required attributes? Don't change anything.
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// If readonly, skip it
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if(!this.searchEnabled && !this.editModeEnabled && !this.allowFreeEntries || this.readonly)
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{
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return;
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}
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this._bindListeners();
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}
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disconnectedCallback()
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{
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super.disconnectedCallback();
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this._unbindListeners();
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}
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async getUpdateComplete()
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{
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const result = super.getUpdateComplete();
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if(this._searchInputNode)
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{
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await this._searchInputNode.updateComplete;
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}
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return result;
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}
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willUpdate(changedProperties)
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{
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super.willUpdate(changedProperties);
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// Turn on search if there's more than 20 options
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if(changedProperties.has("select_options") && this.select_options.length > 20)
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{
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this.search = true;
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}
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// If searchURL is set, turn on search
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if(changedProperties.has("searchUrl") && this.searchUrl)
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{
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this.search = true;
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// Decode URL, possibly again. If set in template, it can wind up double-encoded.
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this.searchUrl = this.egw().decodePath(this.searchUrl);
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}
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// Add missing options if search or free entries enabled
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if(changedProperties.has("value") && this.value)
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{
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// Overridden to add options if allowFreeEntries=true
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if(this.allowFreeEntries && typeof this.value == "string" && !this.select_options.find(o => o.value == this.value &&
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(!o.class || o.class && !o.class.includes('remote'))))
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{
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this.createFreeEntry(this.value);
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}
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else if(this.allowFreeEntries && this.multiple)
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{
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this.getValueAsArray().forEach((e) =>
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{
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if(!this.select_options.find(o => o.value == e))
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{
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this.createFreeEntry(e);
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}
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});
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}
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if(this.searchEnabled)
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{
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// Check to see if value is for an option we do not have
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for(const newValueElement of this.getValueAsArray())
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{
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if(this.optionSearch(newValueElement))
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{
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continue;
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}
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this._missingOption(newValueElement);
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}
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}
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}
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}
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update(changedProperties)
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{
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super.update(changedProperties);
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// One of the key properties has changed, need to add the needed nodes
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if(changedProperties.has("search") || changedProperties.has("editModeEnabled") || changedProperties.has("allowFreeEntries"))
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{
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this._unbindListeners();
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// Missing any of the required attributes? Now we need to take it out.
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if(!this.searchEnabled && !this.editModeEnabled && !this.allowFreeEntries || this.readonly)
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{
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this.querySelector(".search_input")?.remove();
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return;
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}
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// Listeners may have been skipped from connectedCallback()
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this._bindListeners();
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}
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// Update any tags if edit mode changes
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if(changedProperties.has("editModeEnabled") || changedProperties.has("readonly"))
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{
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// Required because we explicitly create tags instead of doing it in render()
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this.shadowRoot.querySelectorAll(".select__tags > *").forEach((tag : Et2Tag) =>
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{
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tag.editable = this.editModeEnabled && !this.readonly;
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tag.removable = !this.readonly;
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});
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if(this.readonly)
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{
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this._unbindListeners();
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}
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}
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}
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protected _extraTemplate() : TemplateResult | typeof nothing
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{
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if(!this.searchEnabled && !this.editModeEnabled && !this.allowFreeEntries || this.readonly)
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{
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return nothing;
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}
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return html`
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${this._searchInputTemplate()}
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${until(this._moreResultsTemplate(), nothing)}
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${this._noResultsTemplate()}
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`;
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}
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protected async _moreResultsTemplate()
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{
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if(this._total_result_count <= 0 || !this.select || !this._searchPromise)
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{
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return nothing;
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}
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return this._searchPromise.then(() =>
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{
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const moreCount = this._total_result_count - this.select?.querySelectorAll("sl-option.match").length;
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const more = this.egw().lang("%1 more...", moreCount);
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return html`<span class="more">${more}</span>`;
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});
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}
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protected _searchInputTemplate()
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{
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let edit = nothing;
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if(this.editModeEnabled)
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{
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edit = html`<input id="edit" type="text" part="input" autocomplete="off" style="width:100%"
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@keydown=${this._handleEditKeyDown}
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@click=${(e) => e.stopPropagation()}
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@blur=${this.stopEdit.bind(this)}
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/>`;
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}
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return html`
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<div class="search_input" slot="prefix">
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<et2-textbox id="search" type="text" part="input"
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exportparts="base:search__base"
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clearable
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autocomplete="off"
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tabindex="-1"
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placeholder="${this.egw().lang("search")}"
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style="flex: 1 1 auto;"
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@keydown=${this._handleSearchKeyDown}
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@blur=${this._handleSearchBlur}
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@sl-clear=${this._handleSearchClear}
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@sl-change=${this._handleSearchChange}
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></et2-textbox>
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${edit}
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</div>
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`;
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}
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protected _noResultsTemplate()
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{
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if(this._total_result_count !== 0 || !this._searchInputNode?.value)
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{
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return nothing;
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}
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const noSuggestions = html`
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<div class="no-results">${this.egw().lang("no suggestions")}</div>`;
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if(!this._searchPromise)
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{
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return noSuggestions;
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}
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let noResults = this._searchPromise.then(() =>
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{
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return this._total_result_count == 0 ?
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noSuggestions :
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nothing;
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});
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return html`${until(
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noResults,
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html`
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<sl-spinner></sl-spinner>`
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)}`;
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}
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/**
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* Do we have the needed properties set, so we can actually do searching
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*
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* @returns {boolean}
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*/
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public get searchEnabled() : boolean
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{
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return !this.readonly && (this.search || this.searchUrl.length > 0);
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}
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protected get _searchInputNode() : Et2Textbox
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{
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return this._activeControls?.querySelector("#search");
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}
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protected get _editInputNode() : HTMLInputElement
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{
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return this._activeControls?.querySelector("input#edit");
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}
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protected get _activeControls()
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{
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return this.shadowRoot?.querySelector(".search_input") ||
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this.querySelector(".search_input");
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}
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protected get optionTag()
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{
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return 'sl-option';
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}
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/**
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* Only local options, excludes server options
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*
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* @protected
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*/
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protected get localItems() : NodeList
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{
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return this.select.querySelectorAll(this.optionTag + ":not(.remote)");
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}
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/**
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* Only remote options from search results
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* @returns {NodeList}
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* @protected
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*/
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protected get remoteItems() : NodeList
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{
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return this.select?.querySelectorAll(this.optionTag + ".remote") ?? [];
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}
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/**
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* Only free entries
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* @returns {NodeList}
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* @protected
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*/
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protected get freeEntries() : NodeList
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{
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return this.select?.querySelectorAll(this.optionTag + ".freeEntry") ?? [];
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}
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get select_options() : SelectOption[]
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{
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let options = [];
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// Any provided options
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options = options.concat(this.__select_options ?? []);
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// Any kept remote options
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options = options.concat(this._selected_remote ?? []);
|
|
|
|
// Current search results
|
|
options = options.concat(this._remote_options ?? []);
|
|
|
|
if(this.allowFreeEntries)
|
|
{
|
|
this.freeEntries.forEach((item : SlOption) =>
|
|
{
|
|
if(!options.some(i => i.value == item.value.replaceAll("___", " ")))
|
|
{
|
|
options.push({value: item.value, label: item.textContent, class: item.classList.toString()});
|
|
}
|
|
})
|
|
}
|
|
return options;
|
|
}
|
|
|
|
set select_options(options : SelectOption[])
|
|
{
|
|
super.select_options = options;
|
|
|
|
// Remove any selected remote, they're real options now
|
|
for(let remote_index = this._selected_remote.length - 1; remote_index >= 0; remote_index--)
|
|
{
|
|
let remote = this._selected_remote[remote_index];
|
|
if(options.findIndex(o => o.value == remote.value) != -1)
|
|
{
|
|
this._selected_remote.splice(remote_index, 1);
|
|
this.querySelector('[value="' + remote.value + '"]')?.classList.remove("remote");
|
|
}
|
|
}
|
|
}
|
|
|
|
get value()
|
|
{
|
|
return super.value;
|
|
}
|
|
|
|
set value(new_value : string | string[])
|
|
{
|
|
super.value = new_value;
|
|
|
|
if(!new_value || !this.allowFreeEntries && !this.searchUrl)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// If widget is currently open, we may need to re-calculate search / dropdown positioning
|
|
if(this.isOpen)
|
|
{
|
|
this._handleMenuShow();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Some [part of a] value is missing from the available options, but should be there, so find and add it.
|
|
*
|
|
* This is used when not all options are sent to the client (search, link list). Ideally we want to send
|
|
* the options for the current value, but sometimes this is not the best option so here we search or create
|
|
* the option as needed. These are not free entries, but need to match some list somewhere.
|
|
*
|
|
* @param {string} newValueElement
|
|
* @protected
|
|
*/
|
|
protected _missingOption(newValueElement : string)
|
|
{
|
|
// Given a value we need to search for - this will add in all matches, including the one needed
|
|
this.remoteSearch(newValueElement, this.searchOptions).then((result : SelectOption[]) =>
|
|
{
|
|
// Re-set / update value since SlSelect probably removed it by now due to missing option
|
|
if(typeof this.select != "undefined")
|
|
{
|
|
this.select.value = this.shoelaceValue ?? this.value;
|
|
this.select.requestUpdate("value");
|
|
}
|
|
this.requestUpdate("value");
|
|
});
|
|
}
|
|
|
|
protected fix_bad_value()
|
|
{
|
|
if(!this.allowFreeEntries && !this.searchEnabled)
|
|
{
|
|
// Let regular select deal with it
|
|
return false;
|
|
}
|
|
const valueArray = Array.isArray(this.value) ? this.value : (!this.value ? [] : this.value.toString().split(','));
|
|
|
|
// Check any already found options
|
|
if(Object.values(this.getAllOptions()).filter((option) => valueArray.find(val => val == option.value)).length === 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
// TODO? Should we check the server, or just be OK with it? Passing the "current" value in sel_options makes sure the value is there
|
|
}
|
|
|
|
protected _bindListeners()
|
|
{
|
|
this.addEventListener("sl-clear", this._handleClear);
|
|
this.addEventListener("sl-show", this._handleMenuShow);
|
|
this.addEventListener("sl-after-show", this._handleAfterShow);
|
|
this.addEventListener("sl-hide", this._handleMenuHide);
|
|
|
|
// Need our own change to catch the change event from search input
|
|
this.addEventListener("change", this._handleChange);
|
|
|
|
if(this.allowFreeEntries)
|
|
{
|
|
this.addEventListener("paste", this._handlePaste);
|
|
}
|
|
|
|
this.updateComplete.then(() =>
|
|
{
|
|
// Search messes up event order. Since it throws its own bubbling change event,
|
|
// selecting an option fires 2 change events - 1 before the widget is finished adjusting, losing the value
|
|
// We catch all change events, then call this._oldChange only when value changes
|
|
this.removeEventListener("change", this._oldChange);
|
|
|
|
this._searchInputNode?.removeEventListener("change", this._searchInputNode.handleChange);
|
|
this._searchInputNode?.addEventListener("change", this._handleSearchChange);
|
|
|
|
// this.dropdown.querySelector('.select__label').addEventListener("change", this.handleTagEdit);
|
|
});
|
|
}
|
|
|
|
protected _unbindListeners()
|
|
{
|
|
this.removeEventListener("sl-select", this._handleSelect);
|
|
this.removeEventListener("sl-show", this._handleMenuShow);
|
|
this.removeEventListener("sl-after-show", this._handleAfterShow);
|
|
this.removeEventListener("sl-hide", this._handleMenuHide);
|
|
this.removeEventListener("sl-clear", this._handleClear)
|
|
this.removeEventListener("change", this._handleChange);
|
|
this.removeEventListener("paste", this._handlePaste);
|
|
|
|
this._searchInputNode?.removeEventListener("change", this._handleSearchChange);
|
|
}
|
|
|
|
_handleMenuShow()
|
|
{
|
|
if(this.readonly)
|
|
{
|
|
return;
|
|
}
|
|
this.setAttribute("open", "");
|
|
|
|
// Move search (& menu) if there's no value
|
|
this._activeControls?.classList.toggle("novalue", this.multiple && this.value == '' || !this.multiple);
|
|
|
|
// Reset for parent calculations, will be adjusted after if needed
|
|
//this.dropdown.setAttribute("distance", 0);
|
|
|
|
if(this.searchEnabled || this.allowFreeEntries)
|
|
{
|
|
this._activeControls?.classList.add("active");
|
|
// Hide edit explicitly since it's so hard via CSS
|
|
if(this._editInputNode)
|
|
{
|
|
this._editInputNode.style.display = "none";
|
|
}
|
|
}
|
|
|
|
if(this.editModeEnabled && this.allowFreeEntries && !this.multiple && this.value)
|
|
{
|
|
this.startEdit();
|
|
this._editInputNode.select();
|
|
// Hide search explicitly since it's so hard via CSS
|
|
this._searchInputNode.style.display = "none";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Focus the search input after showing the dropdown so user can just type.
|
|
*
|
|
* Timeout is needed for some systems to properly focus
|
|
*/
|
|
_handleAfterShow()
|
|
{
|
|
if(this.searchEnabled || this.allowFreeEntries)
|
|
{
|
|
window.setTimeout(() =>
|
|
{
|
|
this._searchInputNode.focus();
|
|
this._searchInputNode.select();
|
|
}, 100);
|
|
}
|
|
}
|
|
|
|
focus()
|
|
{
|
|
this.show().then(() =>
|
|
{
|
|
this._searchInputNode?.focus();
|
|
});
|
|
}
|
|
|
|
_handleMenuHide()
|
|
{
|
|
if(this.readonly)
|
|
{
|
|
return;
|
|
}
|
|
this.removeAttribute("open");
|
|
|
|
waitForEvent(this, "sl-after-hide").then(() => this.clearSearch());
|
|
|
|
// Reset display
|
|
if(this._searchInputNode)
|
|
{
|
|
this._searchInputNode.style.display = "";
|
|
}
|
|
if(this._editInputNode)
|
|
{
|
|
this._editInputNode.style.display = "";
|
|
}
|
|
|
|
this._activeControls?.classList.remove("active");
|
|
}
|
|
|
|
_triggerChange(event)
|
|
{
|
|
// Don't want searchbox events to trigger change event
|
|
if(event.target == this._searchInputNode)
|
|
{
|
|
event.stopImmediatePropagation();
|
|
event.preventDefault();
|
|
return false;
|
|
}
|
|
|
|
// Find and keep any selected remote entries
|
|
// Doing it here catches keypress changes too
|
|
this._keepSelectedRemote();
|
|
return true;
|
|
}
|
|
|
|
_handleChange(event)
|
|
{
|
|
if(event.target == this._searchInputNode)
|
|
{
|
|
event.stopImmediatePropagation();
|
|
event.preventDefault();
|
|
return false;
|
|
}
|
|
|
|
return this._oldChange(event);
|
|
}
|
|
|
|
_handleDoubleClick(event : MouseEvent)
|
|
{
|
|
// No edit (shouldn't happen...)
|
|
if(!this.editModeEnabled)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Find the tag
|
|
const path = event.composedPath();
|
|
const tag = <Et2Tag>path.find((el) => el instanceof Et2Tag);
|
|
this.hide();
|
|
this.updateComplete.then(() =>
|
|
{
|
|
tag.startEdit(event);
|
|
});
|
|
}
|
|
|
|
_keepSelectedRemote()
|
|
{
|
|
this.select.querySelectorAll("[aria-selected=true].remote").forEach((node) =>
|
|
{
|
|
const value = node.value.replaceAll("___", " ");
|
|
if(!node.selected || this._selected_remote.some(o => o.value == value))
|
|
{
|
|
return;
|
|
}
|
|
const filter = (options) =>
|
|
{
|
|
for(let i = options.length - 1; i >= 0; i--)
|
|
{
|
|
if(Array.isArray(options[i].value))
|
|
{
|
|
filter(options[i].value);
|
|
}
|
|
else if(options[i].value == value)
|
|
{
|
|
this._selected_remote.push(options[i]);
|
|
options.splice(i, 1);
|
|
}
|
|
}
|
|
}
|
|
filter(this._remote_options)
|
|
});
|
|
}
|
|
/**
|
|
* An option was selected
|
|
*/
|
|
handleOptionClick(event)
|
|
{
|
|
// Only interested in option clicks, but handler is bound higher
|
|
if(event.target.tagName !== "SL-OPTION")
|
|
{
|
|
return;
|
|
}
|
|
|
|
if(typeof super.handleOptionClick == "function")
|
|
super.handleOptionClick(event);
|
|
|
|
this.updateComplete.then(() =>
|
|
{
|
|
// If they just chose one from the list, re-focus the search
|
|
if(this.multiple && this.searchEnabled)
|
|
{
|
|
this._searchInputNode.focus();
|
|
this._searchInputNode.select();
|
|
}
|
|
else if(!this.multiple && this.searchEnabled)
|
|
{
|
|
// Stop all the search stuff when they select an option
|
|
// this shows all non-matching options again
|
|
this._handleSearchAbort(event);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Value was cleared
|
|
*/
|
|
_handleClear(e)
|
|
{
|
|
// Only keep remote options that are still used
|
|
this._selected_remote = this._selected_remote.filter((option) => this.value.indexOf(option.value) !== -1);
|
|
|
|
if(!this.multiple && this.searchEnabled)
|
|
{
|
|
this._handleSearchAbort(e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handle blur from search field
|
|
*
|
|
* Either the user changed fields, or selected an option. For selecting don't interfere, but for
|
|
* changing fields we need to make sure the menu is hidden.
|
|
*
|
|
* @param event
|
|
*/
|
|
async _handleSearchBlur(event : FocusEvent)
|
|
{
|
|
clearTimeout(this._searchTimeout);
|
|
}
|
|
|
|
/**
|
|
* Handle keypresses inside the search input
|
|
* @param {KeyboardEvent} event
|
|
* @protected
|
|
*/
|
|
protected _handleSearchKeyDown(event : KeyboardEvent)
|
|
{
|
|
clearTimeout(this._searchTimeout);
|
|
this._activeControls?.classList.add("active");
|
|
|
|
// Pass off some keys to select
|
|
if(['ArrowDown', 'ArrowUp', 'Home', 'End'].includes(event.key))
|
|
{
|
|
|
|
// Strip out hidden non-matching selected & disabled items so key navigation works
|
|
// TODO
|
|
return;
|
|
}
|
|
else if(event.key == "Tab" && !this._searchInputNode.value)
|
|
{
|
|
// Mess with tabindexes to allow focus to easily go to next control
|
|
const input = this.select.shadowRoot.querySelector('[tabindex="0"]');
|
|
input.setAttribute("tabindex", "-1");
|
|
this.updateComplete.then(() =>
|
|
{
|
|
// Set it back so we can get focus again later
|
|
input.setAttribute("tabindex", "0");
|
|
})
|
|
// Allow to propagate
|
|
return;
|
|
}
|
|
event.stopPropagation();
|
|
|
|
// Don't allow event to bubble or it will interact with select
|
|
event.stopImmediatePropagation();
|
|
if(Et2WidgetWithSearch.TAG_BREAK.indexOf(event.key) !== -1 && this.allowFreeEntries && this.createFreeEntry(this._searchInputNode.value))
|
|
{
|
|
event.preventDefault();
|
|
this._searchInputNode.value = "";
|
|
this.updateComplete.then(async() =>
|
|
{
|
|
// update sizing / position before getting ready for another one
|
|
if(this.multiple)
|
|
{
|
|
// await this.show();
|
|
this._searchInputNode.focus();
|
|
}
|
|
});
|
|
}
|
|
else if(event.key == "Enter")
|
|
{
|
|
event.preventDefault();
|
|
this.startSearch();
|
|
return;
|
|
}
|
|
else if(event.key == "Escape")
|
|
{
|
|
this._handleSearchAbort(event);
|
|
this.hide();
|
|
return;
|
|
}
|
|
|
|
// Start the search automatically if they have enough letters
|
|
// -1 because we're in keyDown handler, and value is from _before_ this key was pressed
|
|
if(this._searchInputNode.value.length >= Et2WidgetWithSearch.MIN_CHARS - 1)
|
|
{
|
|
this._searchTimeout = window.setTimeout(() => {this.startSearch()}, Et2WidgetWithSearch.SEARCH_TIMEOUT);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Combobox listens for mousedown, which interferes with search clear button.
|
|
* Here we block it from bubbling
|
|
* @param {MouseEvent} event
|
|
* @protected
|
|
*/
|
|
protected _handleSearchMouseDown(event : MouseEvent)
|
|
{
|
|
event.stopPropagation();
|
|
}
|
|
|
|
protected _handleEditKeyDown(event : KeyboardEvent)
|
|
{
|
|
// Stop propagation, or parent key handler will add again
|
|
event.stopImmediatePropagation();
|
|
|
|
if(Et2WidgetWithSearch.TAG_BREAK.indexOf(event.key) !== -1 && this.allowFreeEntries)
|
|
{
|
|
// Prevent default, since that would try to submit
|
|
event.preventDefault();
|
|
this.stopEdit();
|
|
}
|
|
// Abort edit, put original value back
|
|
else if(event.key == "Escape")
|
|
{
|
|
this.stopEdit(true);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sometimes users paste multiple comma separated values at once. Split them then handle normally.
|
|
*
|
|
* @param {ClipboardEvent} event
|
|
* @protected
|
|
*/
|
|
protected _handlePaste(event : ClipboardEvent)
|
|
{
|
|
event.preventDefault();
|
|
|
|
let paste = event.clipboardData.getData('text');
|
|
if(!paste)
|
|
{
|
|
return;
|
|
}
|
|
const selection = window.getSelection();
|
|
if(selection.rangeCount)
|
|
{
|
|
selection.deleteFromDocument();
|
|
}
|
|
let values = paste.split(/,\t/);
|
|
|
|
values.forEach(v =>
|
|
{
|
|
this.createFreeEntry(v.trim());
|
|
});
|
|
this.dropdown.hide();
|
|
}
|
|
|
|
/**
|
|
* Start searching
|
|
*
|
|
* If we have local options, we'll search & display any matches.
|
|
* If serverUrl is set, we'll ask the server for results as well.
|
|
*/
|
|
public async startSearch()
|
|
{
|
|
// Stop timeout timer
|
|
clearTimeout(this._searchTimeout);
|
|
|
|
this.setAttribute("searching", "");
|
|
|
|
// Hide clear button
|
|
let clear_button = <HTMLElement>this._searchInputNode?.shadowRoot?.querySelector(".input__clear");
|
|
if(clear_button)
|
|
{
|
|
clear_button.style.display = "none";
|
|
}
|
|
|
|
// Clear previous results
|
|
this._total_result_count = 0;
|
|
this._clearResults();
|
|
|
|
// Start the searches
|
|
this._searchPromise = Promise.all([
|
|
this.localSearch(this._searchInputNode.value, this.searchOptions),
|
|
this.remoteSearch(this._searchInputNode.value, this.searchOptions)
|
|
]).then(async() =>
|
|
{
|
|
this.removeAttribute("searching");
|
|
|
|
// Restore clear button
|
|
if(clear_button)
|
|
{
|
|
clear_button.style.display = "";
|
|
}
|
|
await this.updateComplete;
|
|
|
|
this._searchPromise = null;
|
|
});
|
|
|
|
this.requestUpdate();
|
|
|
|
return this._searchPromise;
|
|
}
|
|
|
|
/**
|
|
* Clear search term and any search results
|
|
*
|
|
* Local options are not removed, but remote options are
|
|
*/
|
|
public clearSearch()
|
|
{
|
|
// Stop timeout timer
|
|
clearTimeout(this._searchTimeout);
|
|
|
|
this._clearResults();
|
|
|
|
// Clear search term
|
|
if(this._searchInputNode)
|
|
{
|
|
this._searchInputNode.value = "";
|
|
}
|
|
}
|
|
|
|
protected _clearResults()
|
|
{
|
|
let target = this._optionTargetNode || this;
|
|
|
|
this._keepSelectedRemote();
|
|
|
|
this._remote_options = [];
|
|
|
|
this._total_result_count = 0;
|
|
|
|
// Not searching anymore, clear flag
|
|
const clear_flag = (option) =>
|
|
{
|
|
if(Array.isArray(option.value))
|
|
{
|
|
option.value.map(clear_flag)
|
|
}
|
|
else
|
|
{
|
|
option.isMatch = null
|
|
}
|
|
}
|
|
this.select_options.map(clear_flag);
|
|
this.requestUpdate("select_options");
|
|
|
|
// Rendering options using repeat() means we need to explicitly update the nodes since they
|
|
// don't always get re-rendered
|
|
for(const option of this.select.querySelectorAll(".no-match"))
|
|
{
|
|
option.classList.remove("no-match", "match");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filter the local options
|
|
*
|
|
* @param {string} search
|
|
* @protected
|
|
*/
|
|
protected localSearch(search : string, options : object) : Promise<void>
|
|
{
|
|
return new Promise((resolve) =>
|
|
{
|
|
this.select_options.forEach((option) =>
|
|
{
|
|
option.isMatch = this.searchMatch(search, option);
|
|
})
|
|
this.requestUpdate("select_options");
|
|
resolve();
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Ask for remote options and add them in unconditionally
|
|
* @param {string} search
|
|
* @protected
|
|
*/
|
|
protected remoteSearch(search : string, options : object) : Promise<SelectOption[]>
|
|
{
|
|
if(!this.searchUrl)
|
|
{
|
|
return Promise.resolve([]);
|
|
}
|
|
|
|
// Check our URL: JSON file or URL?
|
|
if(this.searchUrl.includes(".json"))
|
|
{
|
|
// Get the file, search it
|
|
return this.jsonQuery(search, options);
|
|
}
|
|
else
|
|
{
|
|
// Fire off the query to the server
|
|
return this.remoteQuery(search, options);
|
|
}
|
|
}
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|
|
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/**
|
|
* Search through a JSON file in the browser
|
|
*
|
|
* @param {string} search
|
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* @param {object} options
|
|
* @protected
|
|
*/
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|
protected jsonQuery(search : string, options : object) : Promise<SelectOption[]>
|
|
{
|
|
// Get the file
|
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const controller = new AbortController();
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const signal = controller.signal;
|
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let response_ok = false;
|
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return StaticOptions.cached_from_file(this, this.searchUrl)
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.then(options =>
|
|
{
|
|
// Filter the options
|
|
const lower_search = search.toLowerCase();
|
|
const filtered = options.filter(option =>
|
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{
|
|
return option.label.toLowerCase().includes(lower_search) || option.value.includes(search)
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});
|
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// Limit results
|
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this._total_result_count += filtered.length;
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if(filtered.length > Et2WidgetWithSearch.RESULT_LIMIT)
|
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{
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filtered.splice(Et2WidgetWithSearch.RESULT_LIMIT);
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}
|
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// Add the matches
|
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this._total_result_count -= this.processRemoteResults(filtered);
|
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return filtered;
|
|
})
|
|
.catch((_err) =>
|
|
{
|
|
this.egw().message(_err.statusText || this.searchUrl, "error");
|
|
return [];
|
|
});
|
|
}
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|
|
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/**
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* Actually query the server.
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*
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* This can be overridden to change request parameters or eg. send them as POST parameters.
|
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*
|
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* Default implementation here sends search string and options:
|
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* - as two parameters to the AJAX function
|
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* - and (additional) as GET parameters plus search string as "query"
|
|
*
|
|
* This is done to support as well the old taglist callbacks, as the regular select ones!
|
|
*
|
|
* @param {string} search
|
|
* @param {object} options
|
|
* @returns {any}
|
|
* @protected
|
|
*/
|
|
protected remoteQuery(search : string, options : object) : Promise<SelectOption[]>
|
|
{
|
|
// Include a limit, even if options don't, to avoid massive lists breaking the UI
|
|
let sendOptions = {
|
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num_rows: Et2WidgetWithSearch.RESULT_LIMIT,
|
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...options
|
|
}
|
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return this.egw().request(this.egw().link(this.egw().ajaxUrl(this.egw().decodePath(this.searchUrl)),
|
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{query: search, ...sendOptions}), [search, sendOptions]).then((results) =>
|
|
{
|
|
return this._processResultCount(results);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Update total result count, checking results for a total attribute, then further processing the results
|
|
* into select options
|
|
*
|
|
* @param results
|
|
* @returns {SelectOption[]}
|
|
* @protected
|
|
*/
|
|
protected _processResultCount(results)
|
|
{
|
|
// If results have a total included, pull it out.
|
|
// It will cause errors if left in the results
|
|
if(typeof results.total !== "undefined")
|
|
{
|
|
this._total_result_count += results.total;
|
|
delete results.total;
|
|
// Make it an array, since it was probably an object, and cleanSelectOptions() treats objects differently
|
|
results = Object.values(results);
|
|
}
|
|
else
|
|
{
|
|
this._total_result_count += results.length;
|
|
}
|
|
let entries = cleanSelectOptions(results);
|
|
let entryCount = entries.length;
|
|
this._total_result_count -= this.processRemoteResults(entries);
|
|
|
|
return entries;
|
|
}
|
|
|
|
/**
|
|
* Add in remote results
|
|
*
|
|
* Any results that already exist will be removed to avoid duplicates
|
|
*
|
|
* @param results
|
|
* @return Duplicate count
|
|
* @protected
|
|
*/
|
|
protected processRemoteResults(entries)
|
|
{
|
|
if(!entries?.length)
|
|
{
|
|
return 0;
|
|
}
|
|
let duplicateCount = 0;
|
|
|
|
const process = (entries) =>
|
|
{
|
|
// Add a "remote" class so we can tell these apart from any local results
|
|
for(let i = entries.length - 1; i >= 0; i--)
|
|
{
|
|
const entry = entries[i];
|
|
entry.class = (entry.class || "") + " remote";
|
|
|
|
// Handle option groups
|
|
if(Array.isArray(entry.value))
|
|
{
|
|
process(entry.value);
|
|
continue;
|
|
}
|
|
|
|
// Server says it's a match
|
|
entry.isMatch = true;
|
|
|
|
// Avoid duplicates with existing options
|
|
if(this.select_options.some(o => o.value == entry.value))
|
|
{
|
|
duplicateCount++
|
|
entries.splice(i, 1);
|
|
}
|
|
}
|
|
}
|
|
process(entries);
|
|
|
|
this._remote_options = entries;
|
|
this.requestUpdate("select_options");
|
|
|
|
return duplicateCount;
|
|
}
|
|
|
|
/**
|
|
* Check if one of our [local] items matches the search
|
|
*
|
|
* @param search
|
|
* @param item
|
|
* @returns {boolean}
|
|
* @protected
|
|
*/
|
|
protected searchMatch(search : string, option : SelectOption) : boolean
|
|
{
|
|
if(!option || !option.value)
|
|
{
|
|
return false;
|
|
}
|
|
if(option.label?.toLowerCase().includes(search.toLowerCase()))
|
|
{
|
|
return true;
|
|
}
|
|
if(typeof option.value == "string")
|
|
{
|
|
return option.value.includes(search.toLowerCase());
|
|
}
|
|
return option.value == search;
|
|
}
|
|
|
|
/**
|
|
* Create an entry that is not in the options and add it to the value
|
|
*
|
|
* @param {string} text Used as both value and label
|
|
*/
|
|
public createFreeEntry(text : string) : boolean
|
|
{
|
|
if(!text || !this.validateFreeEntry(text))
|
|
{
|
|
return false;
|
|
}
|
|
// Make sure not to double-add
|
|
if(!this.querySelector("[value='" + text.replace(/'/g, "\\\'") + "']") && !this.select_options.find(o => o.value == text))
|
|
{
|
|
this.__select_options.push(<SelectOption>{
|
|
value: text.trim(),
|
|
label: text.trim(),
|
|
class: "freeEntry",
|
|
isMatch: false
|
|
});
|
|
this.requestUpdate('select_options');
|
|
}
|
|
|
|
// Make sure not to double-add, but wait until the option is there
|
|
if(this.multiple && this.getValueAsArray().indexOf(text) == -1)
|
|
{
|
|
let value = this.getValueAsArray();
|
|
value.push(text);
|
|
this.value = value;
|
|
}
|
|
else if(!this.multiple && this.value !== text)
|
|
{
|
|
this.value = text;
|
|
}
|
|
this.dispatchEvent(new Event("change", {bubbles: true}));
|
|
|
|
// If we were overlapping edit inputbox with the value display, reset
|
|
if(!this.readonly && this._activeControls?.classList.contains("novalue"))
|
|
{
|
|
this._searchInputNode.style.display = "";
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check if a free entry value is acceptable.
|
|
* We use validators directly using the proposed value
|
|
*
|
|
* @param text
|
|
* @returns {boolean}
|
|
*/
|
|
public validateFreeEntry(text) : boolean
|
|
{
|
|
let validators = [...this.validators, ...this.defaultValidators];
|
|
let result = validators.filter(v =>
|
|
v.execute(text, v.param, {node: this}),
|
|
);
|
|
return validators.length > 0 && result.length == 0 || validators.length == 0;
|
|
}
|
|
|
|
public handleTagEdit(event)
|
|
{
|
|
let value = event.target.value;
|
|
let original = event.target.dataset.original_value;
|
|
|
|
if(!value || !this.allowFreeEntries || !this.validateFreeEntry(value))
|
|
{
|
|
// Not a good value, reset it.
|
|
event.target.variant = "danger"
|
|
return false;
|
|
}
|
|
|
|
event.target.variant = "success";
|
|
|
|
// Add to internal list
|
|
this.createFreeEntry(value);
|
|
|
|
// Remove original from value & DOM
|
|
if(value != original)
|
|
{
|
|
if(this.multiple)
|
|
{
|
|
this.value = this.value.filter(v => v !== original);
|
|
}
|
|
else
|
|
{
|
|
this.value = value;
|
|
}
|
|
this.__select_options = this.__select_options.filter(v => v.value !== original);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Start editing the current value if multiple=false
|
|
*
|
|
* @param {Et2Tag} tag
|
|
*/
|
|
public startEdit(tag? : Et2Tag)
|
|
{
|
|
const tag_value = tag ? tag.value : this.value;
|
|
|
|
// hide the menu
|
|
this.dropdown.hide()
|
|
|
|
waitForEvent(this, "sl-after-hide").then(() =>
|
|
{
|
|
// Turn on edit UI
|
|
this._activeControls.classList.add("editing", "active");
|
|
|
|
// Pre-set value to tag value
|
|
this._editInputNode.style.display = "";
|
|
this._editInputNode.value = tag_value
|
|
this._editInputNode.focus();
|
|
|
|
// If they abort the edit, they'll want the original back.
|
|
this._editInputNode.dataset.initial = tag_value;
|
|
})
|
|
}
|
|
|
|
protected stopEdit(abort = false)
|
|
{
|
|
// type to select will focus matching entries, but we don't want to stop the edit yet
|
|
if(typeof abort == "object" && abort.type == "blur")
|
|
{
|
|
if(abort.relatedTarget?.localName == this.optionTag)
|
|
{
|
|
return;
|
|
}
|
|
// Edit lost focus, accept changes
|
|
abort = false;
|
|
}
|
|
|
|
const original = this._editInputNode.dataset.initial;
|
|
delete this._editInputNode.dataset.initial;
|
|
|
|
let value = abort ? original : this._editInputNode.value;
|
|
this._editInputNode.value = "";
|
|
|
|
if(value && value != original)
|
|
{
|
|
this.createFreeEntry(value);
|
|
|
|
this.updateComplete.then(() =>
|
|
{
|
|
const item = this.querySelector("[value='" + value.replace(/'/g, "\\\'") + "']");
|
|
item.dispatchEvent(new CustomEvent("sl-select", {detail: {item}}));
|
|
})
|
|
}
|
|
|
|
// Remove original from value & DOM
|
|
if(value != original)
|
|
{
|
|
if(this.multiple)
|
|
{
|
|
this.value = this.value.filter(v => v !== original);
|
|
this.querySelector("[value='" + original.replace(/'/g, "\\\'") + "']")?.remove();
|
|
}
|
|
else
|
|
{
|
|
this.value = value;
|
|
}
|
|
this.select_options = this.select_options.filter(v => v.value !== original);
|
|
}
|
|
|
|
|
|
this._activeControls.classList.remove("editing", "active");
|
|
if(!this.multiple)
|
|
{
|
|
this.updateComplete.then(async() =>
|
|
{
|
|
// Don't know why, but this doesn't always work leaving the value hidden by prefix
|
|
await this.dropdown.hide();
|
|
this.dropdown.classList.remove("select--open");
|
|
this.dropdown.panel.setAttribute("hidden", "");
|
|
});
|
|
}
|
|
}
|
|
|
|
protected _handleSearchAbort(e)
|
|
{
|
|
this._activeControls.classList.remove("active");
|
|
this.clearSearch();
|
|
}
|
|
|
|
/**
|
|
* et2-searchbox (SlInput) sends out an event on change.
|
|
* We don't care, and if we let it bubble it'll get in the way.
|
|
* @param e
|
|
* @protected
|
|
*/
|
|
protected _handleSearchChange(e)
|
|
{
|
|
e.stopImmediatePropagation();
|
|
e.preventDefault();
|
|
return false;
|
|
}
|
|
|
|
protected _handleSearchClear(e)
|
|
{
|
|
e.stopImmediatePropagation();
|
|
e.preventDefault();
|
|
this.clearSearch();
|
|
}
|
|
}
|
|
|
|
return Et2WidgetWithSearch as unknown as Constructor<SearchMixinInterface> & T;
|
|
});
|