mirror of
https://github.com/EGroupware/egroupware.git
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1526 lines
40 KiB
TypeScript
1526 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, html, LitElement, render, SlotMixin} from "@lion/core";
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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 {SlMenuItem} from "@shoelace-style/shoelace";
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import {waitForEvent} from "@shoelace-style/shoelace/dist/internal/event";
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import {StaticOptions} from "./StaticOptions";
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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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/**
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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 = <T extends Constructor<LitElement>>(superclass : T) =>
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{
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class Et2WidgetWithSearch extends SlotMixin(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()
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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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/* Move the widget border
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.form-control-input {
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border: solid var(--sl-input-border-width) var(--sl-input-border-color);
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border-radius: var(--sl-input-border-radius-medium);
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}
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.form-control-input:hover {
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background-color: var(--sl-input-background-color-hover);
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border-color: var(--sl-input-border-color-hover);
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color: var(--sl-input-color-hover);
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}
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.select--standard .select__control {
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border-style: none;
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}
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/* Move focus highlight */
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.form-control-input:focus-within {
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box-shadow: var(--sl-focus-ring);
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}
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.select--standard.select--focused:not(.select--disabled) .select__control {
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box-shadow: initial;
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}
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/* Show / hide SlSelect icons - dropdown arrow, etc but not loading spinner */
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:host([allowFreeEntries]) ::slotted(sl-icon[slot="suffix"]) {
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display: none;
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}
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/* Make search textbox take full width */
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::slotted(.search_input), ::slotted(.search_input) input, .search_input, .search_input input {
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width: 100%;
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}
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.search_input input {
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flex: 1 1 auto;
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width: 100%;
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}
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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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/* Don't show the current value while searching for single, we want the space
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This lets the current value shrink to nothing so the input can expand
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*/
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.select__label {
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flex: 1 15 auto;
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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]:not([multiple])) .select--open .select__prefix {
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flex: 2 1 auto;
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width: 100%;
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}
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:host([search]:not([multiple])) .select--open .select__label {
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margin: 0px;
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}
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:host([allowfreeentries]:not([multiple])) .select--standard.select--open:not(.select--disabled) .select__control .select__prefix {
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flex: 1 1 auto;
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}
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:host([allowfreeentries]:not([multiple])) .select--standard.select--open:not(.select--disabled) .select__control .select__label {
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display: none;
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}
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/* Search textbox general styling, starts hidden */
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.select__prefix ::slotted(.search_input), .search_input {
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display: none;
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flex: 1 1 auto;
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margin-left: 0px;
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width: 100%;
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height: var(--sl-input-height-medium);
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position: absolute;
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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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/* Search UI active - show textbox & stuff */
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::slotted(.search_input.active), .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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::slotted(.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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/* no menu */
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:host([readonly]) sl-menu {
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display: 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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/**
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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.maxTagsVisible = -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.handleMenuSelect = this.handleMenuSelect.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._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._handleSearchChange = this._handleSearchChange.bind(this);
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this._handleSearchKeyDown = this._handleSearchKeyDown.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._addNodes();
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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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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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}
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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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// 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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// Normally this should be handled in render(), but we have to add our nodes in
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this._addNodes();
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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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}
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}
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/**
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* Add the nodes we need to search - adjust parent shadowDOM
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*
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* @protected
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*/
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protected _addNodes()
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{
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if(this._activeControls)
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{
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// Already there
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return;
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}
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const div = document.createElement("div");
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div.classList.add("search_input");
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render(this._searchInputTemplate(), div);
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if(!super.multiple)
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{
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div.slot = "prefix";
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this.appendChild(div);
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return;
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}
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super.updateComplete.then(() =>
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{
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let control = this.shadowRoot.querySelector(".form-control-input");
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control.append(div);
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});
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}
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/**
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* Customise how tags are rendered.
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* Override to add edit
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*
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* @param item
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* @protected
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*/
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protected _createTagNode(item)
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{
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let tag = <Et2Tag>document.createElement(this.tagTag);
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tag.editable = this.editModeEnabled && !this.readonly;
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return tag;
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}
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protected _searchInputTemplate()
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{
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let edit = null;
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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=${this.stopEdit.bind(this)}
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/>`;
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}
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// I can't figure out how to get this full width via CSS
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return html`
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<et2-textbox id="search" type="text" part="input" clearable
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autocomplete="off"
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placeholder="${this.egw().lang("search")}"
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style="width:100%"
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@keydown=${this._handleSearchKeyDown}
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@blur=${this._handleSearchBlur}
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></et2-textbox>
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${edit}
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`;
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}
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protected _noResultsTemplate()
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{
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return html`
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<div class="no-results">${this.egw().lang("no suggestions")}</div>`;
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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() : HTMLInputElement
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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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/**
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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.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.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.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);
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if(this.allowFreeEntries)
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{
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this.freeEntries.forEach((item : SlMenuItem) =>
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{
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if(!options.some(i => i.value == item.value))
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{
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options.push({value: item.value, label: item.textContent, class: item.classList.toString()});
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}
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})
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}
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return options;
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}
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set select_options(options : SelectOption[])
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{
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super.select_options = options;
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// Remove any selected remote, they're real options now
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for(let remote_index = this._selected_remote.length - 1; remote_index >= 0; remote_index--)
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{
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let remote = this._selected_remote[remote_index];
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if(options.findIndex(o => o.value == remote.value) != -1)
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{
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this._selected_remote.splice(remote_index, 1);
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this.querySelector('[value="' + remote.value + '"]')?.classList.remove("remote");
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}
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}
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}
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get value()
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{
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return super.value;
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}
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set value(new_value : string | string[])
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{
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super.value = new_value;
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if(!new_value || !this.allowFreeEntries && !this.searchUrl)
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{
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return;
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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._menuItems.find(o => o.value == this.value && !o.classList.contains('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.value.forEach((e) =>
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{
|
|
if(!this._menuItems.find(o => o.value == e))
|
|
{
|
|
this.createFreeEntry(e);
|
|
}
|
|
});
|
|
}
|
|
if(this.searchEnabled)
|
|
{
|
|
for(const newValueElement of this.getValueAsArray())
|
|
{
|
|
if(this.select_options.some(o => o.value == newValueElement))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// 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[]) =>
|
|
{
|
|
const option = <SelectOption>result.find(o => o.value == newValueElement);
|
|
if(option)
|
|
{
|
|
this._selected_remote.push(option);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
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.menuItems).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-after-show", this._handleAfterShow);
|
|
|
|
// 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-after-show", this._handleAfterShow);
|
|
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;
|
|
}
|
|
// 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);
|
|
|
|
super.handleMenuShow();
|
|
|
|
if(this.searchEnabled || this.allowFreeEntries)
|
|
{
|
|
this._activeControls?.classList.add("active");
|
|
this._searchInputNode.focus();
|
|
this._searchInputNode.select();
|
|
// 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";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Reposition the dropdown to allow space for current value and search. If the dropdown was positioned above
|
|
* instead of below, we don't need the extra space - remove it.
|
|
*/
|
|
_handleAfterShow()
|
|
{
|
|
// Need to give positioner a chance to position.
|
|
// If we call it right away, it has not updated.
|
|
// I haven't found an event or Promise to hook on to
|
|
window.setTimeout(() =>
|
|
{
|
|
if(this.dropdown?.getAttribute("distance") && this.dropdown?.popup?.dataset.currentPlacement == "top")
|
|
{
|
|
this.dropdown.setAttribute("distance", 0);
|
|
this.dropdown.reposition();
|
|
}
|
|
else
|
|
{
|
|
this.dropdown?.setAttribute("distance",
|
|
!this._activeControls || this._activeControls?.classList.contains("novalue") ?
|
|
parseInt(getComputedStyle(this.control).getPropertyValue("border-width")) :
|
|
// Make room for search below
|
|
parseInt(getComputedStyle(this._activeControls).getPropertyValue("--sl-input-height-medium"))
|
|
);
|
|
}
|
|
}, 100);
|
|
}
|
|
|
|
focus()
|
|
{
|
|
this.dropdown?.show().then(() =>
|
|
{
|
|
this._searchInputNode.focus();
|
|
});
|
|
}
|
|
|
|
handleMenuHide()
|
|
{
|
|
if(this.readonly)
|
|
{
|
|
return;
|
|
}
|
|
clearTimeout(this._searchTimeout);
|
|
super.handleMenuHide();
|
|
|
|
// Reset display
|
|
if(this._searchInputNode)
|
|
{
|
|
this._searchInputNode.style.display = "";
|
|
}
|
|
if(this._editInputNode)
|
|
{
|
|
this._editInputNode.style.display = "";
|
|
}
|
|
|
|
if(this.searchEnabled || this.allowFreeEntries)
|
|
{
|
|
this._activeControls?.classList.remove("active");
|
|
this.shadowRoot.querySelector('.select__label').style.display = "";
|
|
}
|
|
}
|
|
|
|
_triggerChange(event)
|
|
{
|
|
// Don't want searchbox events to trigger change event
|
|
if(event.target == this._searchInputNode)
|
|
{
|
|
event.stopImmediatePropagation();
|
|
event.preventDefault();
|
|
return false;
|
|
}
|
|
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.dropdown.hide();
|
|
this.updateComplete.then(() =>
|
|
{
|
|
tag.startEdit(event);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* An option was selected
|
|
*/
|
|
handleMenuSelect(event)
|
|
{
|
|
// Need to keep the remote option - only if selected
|
|
if(event.detail.item.classList.contains("remote") && !this.select_options.find(o => o.value == event.detail.item.value))
|
|
{
|
|
this._selected_remote.push({...event.detail.item.option});
|
|
}
|
|
super.handleMenuSelect(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();
|
|
|
|
// If we were overlapping, reset
|
|
if(this._activeControls.classList.contains("novalue"))
|
|
{
|
|
this.handleMenuShow();
|
|
this._handleAfterShow();
|
|
}
|
|
|
|
// Scroll the new tag into view
|
|
if(event.detail && event.detail.item)
|
|
{
|
|
// Causes sidemenu (calendar) to scroll to top & get stuck
|
|
/*
|
|
this.updateComplete.then(() =>
|
|
{
|
|
this.shadowRoot.querySelector("et2-tag[value='" + event.detail.item.value.replace(/'/g, "\\\'") + "']")?.scrollIntoView({block: "nearest"});
|
|
});
|
|
*/
|
|
}
|
|
}
|
|
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.getValueAsArray().indexOf(option.value) !== -1);
|
|
|
|
if(!this.multiple && this.searchEnabled)
|
|
{
|
|
this._handleSearchAbort(e);
|
|
|
|
// Restore label styling
|
|
this.shadowRoot.querySelector("[part='display-label']").style.display = "";
|
|
|
|
// Start searching again
|
|
this.updateComplete.then(() => this.handleMenuShow())
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
if(event.relatedTarget && event.relatedTarget instanceof SlMenuItem)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Try any value they had in progress
|
|
if(this._searchInputNode.value && this.allowFreeEntries)
|
|
{
|
|
this.createFreeEntry(this._searchInputNode.value);
|
|
}
|
|
this.clearSearch();
|
|
}
|
|
|
|
/**
|
|
* Handle keypresses inside the search input
|
|
* @param {KeyboardEvent} event
|
|
* @protected
|
|
*/
|
|
protected _handleSearchKeyDown(event : KeyboardEvent)
|
|
{
|
|
clearTimeout(this._searchTimeout);
|
|
this._activeControls?.classList.add("active");
|
|
this.dropdown.show();
|
|
|
|
// 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
|
|
this.menuItems = this.menuItems.filter(i => !i.disabled);
|
|
return super.handleKeyDown(event);
|
|
}
|
|
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.dropdown.hide().then(async() =>
|
|
{
|
|
// update sizing / position before getting ready for another one
|
|
if(this.multiple)
|
|
{
|
|
await this.dropdown.show();
|
|
this._searchInputNode.focus();
|
|
}
|
|
});
|
|
}
|
|
else if(event.key == "Enter")
|
|
{
|
|
event.preventDefault();
|
|
this.startSearch();
|
|
return;
|
|
}
|
|
else if(event.key == "Escape")
|
|
{
|
|
this._handleSearchAbort(event);
|
|
this.dropdown.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);
|
|
}
|
|
}
|
|
|
|
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);
|
|
|
|
// Show a spinner
|
|
let spinner = document.createElement("sl-spinner");
|
|
spinner.slot = "suffix";
|
|
this.appendChild(spinner);
|
|
|
|
// 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._clearResults();
|
|
await this.updateComplete;
|
|
|
|
// Start the searches
|
|
return Promise.all([
|
|
this.localSearch(this._searchInputNode.value, this.searchOptions),
|
|
this.remoteSearch(this._searchInputNode.value, this.searchOptions)
|
|
]).then(() =>
|
|
{
|
|
// Show no results indicator
|
|
if(this.menuItems.filter(e => !e.classList.contains("no-match")).length == 0)
|
|
{
|
|
let target = this._optionTargetNode || this;
|
|
let temp = document.createElement("div");
|
|
render(this._noResultsTemplate(), temp);
|
|
target.append(temp.children[0]);
|
|
}
|
|
|
|
// Remove spinner
|
|
spinner.remove();
|
|
|
|
// Restore clear button
|
|
if(clear_button)
|
|
{
|
|
clear_button.style.display = "";
|
|
}
|
|
}).then(() =>
|
|
{
|
|
// Not sure why this stays hidden if there's no results, but it sticks and hides all results afterward
|
|
this.dropdown.shadowRoot.querySelector(".dropdown__panel").removeAttribute("hidden");
|
|
|
|
// Call our resize stuff explicitly
|
|
this._handleAfterShow();
|
|
});
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
|
|
// Remove "no suggestions"
|
|
target.querySelector(".no-results")?.remove();
|
|
|
|
// Remove any previously selected remote options that aren't used anymore
|
|
this._selected_remote = this._selected_remote.filter((option) =>
|
|
{
|
|
return this.multiple ? this.value.indexOf(option.value) != -1 : this.value == option.value;
|
|
});
|
|
// Remove remote options that aren't used
|
|
let keepers = this._selected_remote.reduce((prev, current) =>
|
|
{
|
|
return prev + ":not([value='" + ('' + current.value).replace(/'/g, "\\\'") + "'])";
|
|
}, "");
|
|
target.querySelectorAll(".remote" + keepers).forEach(o => o.remove());
|
|
target.childNodes.forEach((n) =>
|
|
{
|
|
if(n.nodeType == Node.COMMENT_NODE)
|
|
{
|
|
n.remove();
|
|
}
|
|
})
|
|
|
|
// Reset remaining options. It might be faster to re-create instead.
|
|
this._menuItems.forEach((item) =>
|
|
{
|
|
item.disabled = item.option?.disabled || false;
|
|
item.classList.remove("match");
|
|
item.classList.remove("no-match");
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Filter the local options
|
|
*
|
|
* @param {string} search
|
|
* @protected
|
|
*/
|
|
protected localSearch(search : string, options : object) : Promise<void>
|
|
{
|
|
return new Promise((resolve) =>
|
|
{
|
|
this.localItems.forEach((item) =>
|
|
{
|
|
let match = this.searchMatch(search, item);
|
|
item.classList.toggle("match", match);
|
|
// set disabled so arrow keys step over. Might be a better way to handle that
|
|
item.disabled = !match;
|
|
item.classList.toggle("no-match", !match);
|
|
})
|
|
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);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Search through a JSON file in the browser
|
|
*
|
|
* @param {string} search
|
|
* @param {object} options
|
|
* @protected
|
|
*/
|
|
protected jsonQuery(search : string, options : object) : Promise<SelectOption[]>
|
|
{
|
|
// Get the file
|
|
const controller = new AbortController();
|
|
const signal = controller.signal;
|
|
let response_ok = false;
|
|
return StaticOptions.cached_from_file(this, this.searchUrl)
|
|
.then(options =>
|
|
{
|
|
// Filter the options
|
|
const lower_search = search.toLowerCase();
|
|
const filtered = options.filter(option =>
|
|
{
|
|
return option.label.toLowerCase().includes(lower_search) || option.value.includes(search)
|
|
});
|
|
// Add the matches
|
|
this.processRemoteResults(filtered);
|
|
return filtered;
|
|
})
|
|
.catch((_err) =>
|
|
{
|
|
this.egw().message(_err.statusText || this.searchUrl, "error");
|
|
return [];
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Actually query the server.
|
|
*
|
|
* This can be overridden to change request parameters or eg. send them as POST parameters.
|
|
*
|
|
* Default implementation here sends search string and options:
|
|
* - as two parameters to the AJAX function
|
|
* - 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 = {
|
|
num_rows: Et2WidgetWithSearch.RESULT_LIMIT,
|
|
...options
|
|
}
|
|
return this.egw().request(this.egw().link(this.egw().ajaxUrl(this.egw().decodePath(this.searchUrl)),
|
|
{query: search, ...sendOptions}), [search, sendOptions]).then((results) =>
|
|
{
|
|
// If results have a total included, pull it out.
|
|
// It will cause errors if left in the results
|
|
let total = null;
|
|
if(typeof results.total !== "undefined")
|
|
{
|
|
total = results.total;
|
|
delete results.total;
|
|
}
|
|
let entries = cleanSelectOptions(results);
|
|
this.processRemoteResults(entries, total);
|
|
return entries;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Add in remote results
|
|
* @param results
|
|
* @param totalResults If there are more results than were returned, total number of matches
|
|
* @protected
|
|
*/
|
|
protected processRemoteResults(entries, totalResults = 0)
|
|
{
|
|
let resultCount = entries.length;
|
|
|
|
if(entries.length == 0)
|
|
{
|
|
return Promise.resolve();
|
|
}
|
|
// Add a "remote" class so we can tell these apart from any local results
|
|
entries.forEach((entry) => entry.class = (entry.class || "") + " remote");
|
|
|
|
let target = this._optionTargetNode || this;
|
|
if(target)
|
|
{
|
|
// Add in remote options, avoiding duplicates
|
|
this.select_options.filter(function(item)
|
|
{
|
|
let i = entries.findIndex(x => (x.value == item.value));
|
|
if(i <= -1)
|
|
{
|
|
entries.push(item);
|
|
}
|
|
return null;
|
|
});
|
|
|
|
let options = html`${entries.map(this._optionTemplate.bind(this))}`;
|
|
|
|
/**
|
|
* Add in new options.
|
|
* Rendering directly into target will remove existing options, which we don't need to do
|
|
*/
|
|
|
|
let temp_target = document.createElement("div");
|
|
|
|
render(options, temp_target);
|
|
return Promise.all(([...temp_target.querySelectorAll(":scope > *")].map(item => item.render)))
|
|
.then(() =>
|
|
{
|
|
temp_target.querySelectorAll(":scope > *").forEach((item) =>
|
|
{
|
|
// Avoid duplicate error
|
|
if(!target.querySelector("[value='" + ('' + item.value).replace(/'/g, "\\\'") + "']"))
|
|
{
|
|
target.appendChild(item);
|
|
}
|
|
})
|
|
this.handleMenuSlotChange();
|
|
})
|
|
.then(() =>
|
|
{
|
|
if(totalResults && totalResults > resultCount)
|
|
{
|
|
// More results available that were not sent
|
|
let count = document.createElement("span")
|
|
count.classList.add("remote");
|
|
count.textContent = this.egw().lang("%1 more...", totalResults - resultCount);
|
|
target.appendChild(count);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if one of our [local] items matches the search
|
|
*
|
|
* @param search
|
|
* @param item
|
|
* @returns {boolean}
|
|
* @protected
|
|
*/
|
|
protected searchMatch(search, item) : boolean
|
|
{
|
|
if(!item || !item.value)
|
|
{
|
|
return false;
|
|
}
|
|
if(item.textContent?.toLowerCase().includes(search.toLowerCase()))
|
|
{
|
|
return true;
|
|
}
|
|
if(typeof item.value == "string")
|
|
{
|
|
return item.value.includes(search.toLowerCase());
|
|
}
|
|
return item.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"
|
|
});
|
|
this.requestUpdate('select_options');
|
|
}
|
|
|
|
// Make sure not to double-add
|
|
if(this.multiple && this.value.indexOf(text) == -1)
|
|
{
|
|
this.value.push(text);
|
|
}
|
|
else if(!this.multiple && this.value !== text)
|
|
{
|
|
this.value = text;
|
|
}
|
|
this.requestUpdate("value");
|
|
|
|
// 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.querySelector("[value='" + original.replace(/'/g, "\\\'") + "']")?.remove();
|
|
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 == "sl-menu-item")
|
|
{
|
|
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", "");
|
|
});
|
|
}
|
|
this.syncItemsFromValue();
|
|
}
|
|
|
|
protected _handleSearchAbort(e)
|
|
{
|
|
this._activeControls.classList.remove("active");
|
|
this.clearSearch();
|
|
this.syncItemsFromValue();
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
}
|
|
|
|
return Et2WidgetWithSearch as unknown as Constructor<SearchMixinInterface> & T;
|
|
} |