/** * EGroupware eTemplate2 - Select WebComponent * * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License * @package api * @link https://www.egroupware.org * @author Nathan Gray */ import {css, html, PropertyValues, TemplateResult} from "@lion/core"; import {Et2StaticSelectMixin, StaticOptions} from "./StaticOptions"; import {Et2widgetWithSelectMixin} from "./Et2WidgetWithSelectMixin"; import {SelectOption} from "./FindSelectOptions"; import {SlMenuItem, SlSelect} from "@shoelace-style/shoelace"; import shoelace from "../Styles/shoelace"; import {Et2WithSearchMixin} from "./SearchMixin"; import {Et2Tag} from "./Tag/Et2Tag"; import {LionValidationFeedback} from "@lion/form-core"; import {RowLimitedMixin} from "../Layout/RowLimitedMixin"; // export Et2WidgetWithSelect which is used as type in other modules export class Et2WidgetWithSelect extends RowLimitedMixin(Et2widgetWithSelectMixin(SlSelect)) { }; /** * Select widget * * At its most basic, you can select one option from a list provided. The list can be passed from the server in * the sel_options array or options can be added as children in the template. Some extending classes provide specific * options, such as Et2SelectPercent or Et2SelectCountry. All provided options will be mixed together and used. * * To allow selecting more than one option, use the attribute multiple="true". This will take & return an array * as value instead of just a string. * * SearchMixin adds additional abilities to ALL select boxes * @see Et2WithSearchMixin * * Override for extending widgets: * # Custom display of selected value * When selecting a single value (!multiple) you can override doLabelChange() to customise the displayed label * @see Et2SelectCategory, which adds in the category icon * * # Custom option rows * Options can have 'class' and 'icon' properties that will be used for the option * The easiest way for further customisation to use CSS in an external file (like etemplate2.css) and ::part(). * @see Et2SelectCountry which displays flags via CSS instead of using SelectOption.icon * * # Custom tags * When multiple is set, instead of a single value each selected value is shown in a tag. While it's possible to * use CSS to some degree, we can also use a custom tag class that extends Et2Tag. * 1. Create the extending class * 2. Make sure it's loaded (add to etemplate2.ts) * 3. In your extending Et2Select, override get tagTag() to return the custom tag name * */ // @ts-ignore SlSelect styles is a single CSSResult, not an array, so TS complains export class Et2Select extends Et2WithSearchMixin(Et2WidgetWithSelect) { static get styles() { return [ // Parent (SlSelect) returns a single cssResult, not an array shoelace, super.styles, css` :host { display: block; flex: 1 0 auto; --icon-width: 20px; } ::slotted(img), img { vertical-align: middle; } /* Get rid of padding before/after options */ sl-menu::part(base) { padding: 0px; } /* No horizontal scrollbar, even if options are long */ .dropdown__panel { overflow-x: clip; } /* Ellipsis when too small */ .select__label { display: block; text-overflow: ellipsis; /* This is usually not used due to flex, but is the basis for ellipsis calculation */ width: 10ex; } /** multiple=true uses tags for each value **/ /* styling for icon inside tag (not option) */ .tag_image { margin-right: var(--sl-spacing-x-small); } /* Maximum height + scrollbar on tags (+ other styling) */ .select__tags { margin-left: 0px; max-height: initial; overflow-y: auto; gap: 0.1rem 0.5rem; } .select--medium .select__tags { padding-top: 2px; padding-bottom: 2px; } :host([rows]) .select__tags { max-height: calc(var(--rows, 5) * 2.45em); overflow: hidden; } /* Keep overflow tag right-aligned. It's the only sl-tag. */ .select__tags sl-tag { margin-left: auto; } select:hover { box-shadow: 1px 1px 1px rgb(0 0 0 / 60%); } /* Hide dropdown trigger when multiple & readonly */ :host([readonly][multiple]) .select__icon { display: none; } /* Show all rows on hover if rows=1 */ :host([readonly][multiple][rows]):hover .select__tags { width: -webkit-fill-available; width: -moz-fill-available; width: fill-available; } /* Style for the popup */ ::part(popup) { z-index: 1; background: var(--sl-input-background-color); padding: var(--sl-input-spacing-small); padding-left: 2px; box-shadow: var(--sl-shadow-large); min-width: fit-content; border-radius: var(--sl-border-radius-small); border: 1px solid var(--sl-color-neutral-200); max-height: 15em; overflow-y: auto; } ::part(display-label) { margin: 0; } ` ]; } static get properties() { return { ...super.properties, /** * Toggle between single and multiple selection */ multiple: { type: Boolean, reflect: true, }, /** * Click handler for individual tags instead of the select as a whole. * Only used if multiple=true so we have tags */ onTagClick: { type: Function, } } } /** * List of properties that get translated * * @returns object */ static get translate() { return { ...super.translate, emptyLabel: true } } get slots() { return { ...super.slots, input: () => { return document.createElement("select"); } } } /** * If fix_bad_value() has to change the value, the update will trigger a change event. * We don't want that event to fire since it happens too soon, before the handler is ready and app.ts has set up * @type {boolean} * @private */ private _block_change_event = false; constructor(...args : any[]) { super(); // We want this on more often than off this.hoist = true; this._triggerChange = this._triggerChange.bind(this); this._doResize = this._doResize.bind(this); this._handleMouseWheel = this._handleMouseWheel.bind(this); this._handleMouseEnter = this._handleMouseEnter.bind(this); this._handleMouseLeave = this._handleMouseLeave.bind(this); this.handleTagRemove = this.handleTagRemove.bind(this); } connectedCallback() { super.connectedCallback(); // Re-bind focus/blur to after show/hide to avoid buggy behaviour like menu won't hide this.removeEventListener("blur", this.et2HandleBlur); this.removeEventListener("focus", this.et2HandleFocus); this.addEventListener("sl-after-show", this.et2HandleFocus); this.addEventListener("sl-after-hide", this.et2HandleBlur); this.addEventListener("mousewheel", this._handleMouseWheel); this.addEventListener("mouseenter", this._handleMouseEnter); this.updateComplete.then(() => { this.addEventListener("sl-change", this._triggerChange); this.addEventListener("sl-after-show", this._doResize) }); } disconnectedCallback() { super.disconnectedCallback(); this.removeEventListener("mousewheel", this._handleMouseWheel); this.removeEventListener("sl-clear", this._triggerChange) this.removeEventListener("sl-change", this._triggerChange); this.removeEventListener("sl-after-show", this._doResize); this.removeEventListener("sl-after-show", this.et2HandleFocus); this.removeEventListener("sl-after-hide", this.et2HandleBlur); } firstUpdated(changedProperties?) { super.firstUpdated(changedProperties); } _triggerChange(e) { if(super._triggerChange(e) && !this._block_change_event) { this.dispatchEvent(new Event("change")); } if(this._block_change_event) { this.updateComplete.then(() => this._block_change_event = false); } } /** * Change the menu sizing to allow the menu to be wider than the field width, but no smaller * * @param e * @private */ private _doResize(e) { this.menu.style.minWidth = this.menu.style.width; this.menu.style.width = ""; } /** * Stop scroll from bubbling so the sidemenu doesn't scroll too * * @param {MouseEvent} e */ private _handleMouseWheel(e : MouseEvent) { e.stopPropagation(); } /** * If maxTagsVisible=1 and rows=1 and multiple=true, when they put the mouse over the widget show all tags * @param {MouseEvent} e * @private */ private _handleMouseEnter(e : MouseEvent) { if(this.maxTagsVisible == 1 && this.rows == 1 && this.multiple == true && this.value.length > 1) { e.stopPropagation(); let distance = (-1 * parseInt(getComputedStyle(this).height)) - 1; // Show all tags this.maxTagsVisible = 0; this._oldRows = this.rows; this.rows = 10; this.syncItemsFromValue(); // Bind to turn this all off this.addEventListener("mouseleave", this._handleMouseLeave); // Popup - this might get wiped out next render(), might not this.updateComplete.then(() => { let label = this.dropdown.querySelector(".select__label"); let popup = document.createElement("sl-popup"); popup.anchor = this; popup.distance = distance; popup.placement = "bottom"; popup.strategy = "fixed"; popup.active = true; popup.sync = "width"; popup.classList.add("hover__popup", "details", "hoist", "details__body"); label.parentNode.insertBefore(popup, label); popup.appendChild(label); label.style.width = getComputedStyle(this).width; label.style.margin = 0; }); } } /** * If we're showing all rows because of _handleMouseEnter, reset when mouse leaves * @param {MouseEvent} e * @private */ private _handleMouseLeave(e : MouseEvent) { let popup = this.dropdown.querySelector("sl-popup"); if(popup) { // Popup still here. Remove it let label = popup.firstChild; popup.parentNode.insertBefore(label, popup); popup.remove(); } this.maxTagsVisible = 1; this.rows = this._oldRows; delete this._oldRows; this.syncItemsFromValue(); this.removeEventListener("mouseleave", this._handleMouseLeave); this.dropdown.requestUpdate(); } /** * Get the node where we're putting the selection options * * @returns {HTMLElement} */ get _optionTargetNode() : HTMLElement { return this; } /** * Handle the case where there is no value set, or the value provided is not an option. * If this happens, we choose the first option or empty label. * * Careful when this is called. We change the value here, so an infinite loop is possible if the widget has * onchange. * */ protected fix_bad_value() { if(this.multiple || (!this.emptyLabel && (!Array.isArray(this.select_options) || this.select_options.length == 0))) { // Nothing to do here return; } // See if parent (search / free entry) is OK with it if(super.fix_bad_value()) { return; } // If somebody gave '' as a select_option, let it be if(this.value === '' && this.select_options.filter((option) => this.value === option.value).length == 1) { return; } // If no value is set, choose the first option // Only do this on once during initial setup, or it can be impossible to clear the value const valueArray = Array.isArray(this.value) ? this.value : (!this.value ? [] : this.value.toString().split(',')); // value not in options --> use emptyLabel, if exists, or first option otherwise if(this.select_options.filter((option) => valueArray.find(val => val == option.value) || Array.isArray(option.value) && option.value.filter(o => valueArray.find(val => val == o.value))).length === 0) { let oldValue = this.value; this.value = this.emptyLabel ? "" : "" + this.select_options[0]?.value; this._block_change_event = (oldValue != this.value); // ""+ to cast value of 0 to "0", to not replace with "" this.requestUpdate("value", oldValue); } } /** * @deprecated use this.multiple = multi * * @param multi */ set_multiple(multi) { this.multiple = multi; } set_value(val : string | string[] | number | number[]) { if(typeof val === 'string' && val.indexOf(',') !== -1) { val = val.split(','); } if(typeof val === 'number') { val = val.toString(); } if(Array.isArray(val)) { // Make sure value has no duplicates, and values are strings val = [...new Set(val.map(v => typeof v === 'number' ? v.toString() : v || ''))]; } this.value = val || ''; } transformAttributes(attrs) { super.transformAttributes(attrs); // Deal with initial value of multiple set as CSV if(this.multiple && typeof this.value == "string") { this.value = this.value.length ? this.value.split(",") : []; } } /** * Load extra stuff from the template node. * Overridden from parent to force value to be "good", since this is the earliest place we have both value and * select options when loading from a template. * * @param {Element} _node */ loadFromXML(_node : Element) { super.loadFromXML(_node); // Wait for update to be complete before we check for bad value so extending selects can have a chance this.updateComplete.then(() => this.fix_bad_value()); } /** @param {import('@lion/core').PropertyValues } changedProperties */ willUpdate(changedProperties : PropertyValues) { super.willUpdate(changedProperties); if(changedProperties.has('select_options') || changedProperties.has("value") || changedProperties.has('emptyLabel')) { this.updateComplete.then(() => this.fix_bad_value()); } if(changedProperties.has("select_options") && changedProperties.has("value")) { // Re-set value, the option for it may have just shown up this.updateComplete.then(() => this.syncItemsFromValue()) } } /** * Override this method from SlSelect to stick our own tags in there */ syncItemsFromValue() { if(typeof super.syncItemsFromValue === "function") { super.syncItemsFromValue(); } // Only applies to multiple if(typeof this.displayTags !== "object" || !this.multiple) { return; } let overflow = null; if(this.maxTagsVisible > 0 && this.displayTags.length > this.maxTagsVisible) { overflow = this.displayTags.pop(); } const checkedItems = Object.values(this._menuItems).filter(item => this.value.includes(item.value)); this.displayTags = checkedItems.map(item => this._createTagNode(item)); // Re-slice & add overflow tag if(overflow) { this.displayTags = this.displayTags.slice(0, this.maxTagsVisible); this.displayTags.push(overflow); } } _emptyLabelTemplate() : TemplateResult { if(!this.emptyLabel || this.multiple) { return html``; } return html` ${this.emptyLabel}`; } /** * Tag used for rendering options * Used for finding & filtering options, they're created by the mixed-in class * @returns {string} */ public get optionTag() { return "sl-menu-item"; } _optionTemplate(option : SelectOption) : TemplateResult { // Tag used must match this.optionTag, but you can't use the variable directly. // Pass option along so SearchMixin can grab it if needed return html` ${this._iconTemplate(option)} ${this.noLang ? option.label : this.egw().lang(option.label)} `; } /** * Tag used for rendering tags when multiple=true * Used for creating, finding & filtering options. * @see createTagNode() * @returns {string} */ public get tagTag() : string { return "et2-tag"; } /** * Customise how tags are rendered. This overrides what SlSelect * does in syncItemsFromValue(). * This is a copy+paste from SlSelect.syncItemsFromValue(). * * @param item * @protected */ protected _createTagNode(item) { let tag; if(typeof super._createTagNode == "function") { tag = super._createTagNode(item); } else { tag = document.createElement(this.tagTag); } tag.value = item.value; tag.textContent = item.getTextLabel().trim(); tag.class = item.classList.value + " search_tag"; if(this.size) { tag.size = this.size; } if(this.readonly) { tag.removable = false; tag.readonly = true; } else { tag.addEventListener("dblclick", this._handleDoubleClick); tag.addEventListener("click", this.handleTagInteraction); tag.addEventListener("keydown", this.handleTagInteraction); tag.addEventListener("sl-remove", (event : CustomEvent) => this.handleTagRemove(event, item)); } // Allow click handler even if read only if(typeof this.onTagClick == "function") { tag.addEventListener("click", (e) => this.onTagClick(e, e.target)); } let image = this._createImage(item); if(image) { tag.prepend(image); } return tag; } private handleTagRemove(event : CustomEvent, option) { event.stopPropagation(); if(!this.disabled) { option.selected = false; let index = this.value.indexOf(option.value); if(index > -1) { this.value.splice(index, 1); } this.dispatchEvent(new CustomEvent('sl-input')); this.dispatchEvent(new CustomEvent('sl-change')); this.syncItemsFromValue(); } } /** * Get the icon for the select option * * @param option * @protected */ protected _iconTemplate(option) { if(!option.icon) { return html``; } return html` ` } protected _createImage(item) { let image = item.querySelector("et2-image") || item.querySelector("[slot='prefix']"); if(image) { image = image.clone(); image.slot = "prefix"; image.class = "tag_image"; return image; } return ""; } public get _menuItems() : HTMLElement[] { return [...this.querySelectorAll(this.optionTag)]; } /** * Override parent to always call validate(), as our simple implementation needs to validate on clear as well. * * @param {string | false} err */ set_validation_error(err : string | false) { super.set_validation_error(err); if(err == false) { this.validate(); } } } customElements.define("et2-select", Et2Select); if(typeof customElements.get("lion-validation-feedback") === "undefined") { customElements.define("lion-validation-feedback", LionValidationFeedback); } /** * Use a single StaticOptions, since it should have no state * @type {StaticOptions} */ const so = new StaticOptions(); export class Et2SelectApp extends Et2StaticSelectMixin(Et2Select) { constructor() { super(); this.static_options = so.app(this, {other: this.other || []}); } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-app", Et2SelectApp); export class Et2SelectTab extends Et2SelectApp { constructor() { super(); this.allowFreeEntries = true; } set value(new_value) { if(!new_value) { super.value = new_value; return; } const values = Array.isArray(new_value) ? new_value : [new_value]; const options = this.select_options; values.forEach(value => { if(!options.filter(option => option.value == value).length) { const matches = value.match(/^([a-z0-9]+)\-/i); let option : SelectOption = {value: value, label: value}; if(matches) { option = options.filter(option => option.value == matches[1])[0] || { value: value, label: this.egw().lang(matches[1]) }; option.value = value; option.label += ' ' + this.egw().lang('Tab'); } try { const app = opener?.framework.getApplicationByName(value); if (app && app.displayName) { option.label = app.displayName; } } catch (e) { // ignore security exception, if opener is not accessible } this.select_options.concat(option); } }) super.value = new_value; } get value() { return super.value; } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-tab", Et2SelectTab); export class Et2SelectBitwise extends Et2StaticSelectMixin(Et2Select) { set value(new_value) { let oldValue = this._value; let expanded_value = []; let options = this.select_options; for(let index in options) { let right = parseInt(options[index].value); if(!!(new_value & right)) { expanded_value.push(right); } } super.value = expanded_value; this.requestUpdate("value", oldValue); } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-bitwise", Et2SelectBitwise); export class Et2SelectBool extends Et2StaticSelectMixin(Et2Select) { constructor() { super(); this.static_options = so.bool(this); } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-bool", Et2SelectBool); export class Et2SelectDay extends Et2StaticSelectMixin(Et2Select) { constructor() { super(); this.static_options = so.day(this, {other: this.other || []}); } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-day", Et2SelectDay); export class Et2SelectDayOfWeek extends Et2StaticSelectMixin(Et2Select) { constructor() { super(); this.static_options = so.dow(this, {other: this.other || []}); } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-dow", Et2SelectDayOfWeek); export class Et2SelectHour extends Et2StaticSelectMixin(Et2Select) { constructor() { super(); this.static_options = so.hour(this, {other: this.other || []}); } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-hour", Et2SelectHour); export class Et2SelectMonth extends Et2StaticSelectMixin(Et2Select) { constructor() { super(); this.static_options = so.month(this); } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-month", Et2SelectMonth); export class Et2SelectNumber extends Et2StaticSelectMixin(Et2Select) { static get properties() { return { ...super.properties, /** * Step between numbers */ interval: {type: Number}, min: {type: Number}, max: {type: Number}, /** * Add one or more leading zeros * Set to how many zeros you want (000) */ leading_zero: {type: String}, /** * Appended after every number */ suffix: {type: String} } } constructor() { super(); this.min = 1; this.max = 10; this.interval = 1; this.leading_zero = ""; this.suffix = ""; } updated(changedProperties : PropertyValues) { super.updated(changedProperties); if(changedProperties.has('min') || changedProperties.has('max') || changedProperties.has('interval') || changedProperties.has('suffix')) { this.static_options = so.number(this); this.requestUpdate("select_options"); } } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-number", Et2SelectNumber); export class Et2SelectPercent extends Et2SelectNumber { constructor() { super(); this.min = 0; this.max = 100; this.interval = 10; this.suffix = "%%"; } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-percent", Et2SelectPercent); export class Et2SelectPriority extends Et2StaticSelectMixin(Et2Select) { constructor() { super(); this.static_options = so.priority(this); } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-priority", Et2SelectPriority); export class Et2SelectState extends Et2StaticSelectMixin(Et2Select) { /** * Two-letter ISO country code */ protected __country_code; static get properties() { return { ...super.properties, countryCode: String, } } constructor() { super(); this.countryCode = 'DE'; } get countryCode() { return this.__countryCode; } set countryCode(code : string) { this.__countryCode = code; this.static_options = so.state(this, {country_code: code}); this.requestUpdate("select_options"); } set_country_code(code) { this.countryCode = code; } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-state", Et2SelectState); export class Et2SelectTimezone extends Et2StaticSelectMixin(Et2Select) { constructor() { super(); this.select_options = so.timezone(this, {other: this.other || []}); } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-timezone", Et2SelectTimezone); export class Et2SelectYear extends Et2SelectNumber { constructor() { super(); this.min = -3; this.max = 2; } updated(changedProperties : PropertyValues) { super.updated(changedProperties); if(changedProperties.has('min') || changedProperties.has('max') || changedProperties.has('interval') || changedProperties.has('suffix')) { this.select_options = so.year(this); } } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-year", Et2SelectYear); export class Et2SelectLang extends Et2StaticSelectMixin(Et2Select) { constructor() { super(); this.static_options = so.lang(this, {other: this.other || []}); } } // @ts-ignore TypeScript is not recognizing that this widget is a LitElement customElements.define("et2-select-lang", Et2SelectLang);