367 lines
11 KiB
JavaScript
Executable file
367 lines
11 KiB
JavaScript
Executable file
import {
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dropdown_styles_default
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} from "./chunk.DY6ZNNWZ.js";
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import {
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getTabbableBoundary
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} from "./chunk.LXDTFLWU.js";
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import {
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SlPopup
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} from "./chunk.SJLA5ROP.js";
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import {
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getAnimation,
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setDefaultAnimation
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} from "./chunk.RCZVQXWP.js";
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import {
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waitForEvent
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} from "./chunk.B4BZKR24.js";
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import {
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animateTo,
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stopAnimations
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} from "./chunk.S7GYYU7Z.js";
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import {
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LocalizeController
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} from "./chunk.NH3SRVOC.js";
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import {
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e
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} from "./chunk.UZVKBFXH.js";
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import {
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watch
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} from "./chunk.FA5RT4K4.js";
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import {
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ShoelaceElement,
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e as e2,
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n
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} from "./chunk.SEXBCYCU.js";
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import {
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x
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} from "./chunk.CXZZ2LVK.js";
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import {
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__decorateClass
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} from "./chunk.KIILAQWQ.js";
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// src/components/dropdown/dropdown.component.ts
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var SlDropdown = class extends ShoelaceElement {
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constructor() {
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super(...arguments);
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this.localize = new LocalizeController(this);
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this.open = false;
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this.placement = "bottom-start";
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this.disabled = false;
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this.stayOpenOnSelect = false;
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this.distance = 0;
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this.skidding = 0;
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this.hoist = false;
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this.handleKeyDown = (event) => {
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if (this.open && event.key === "Escape") {
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event.stopPropagation();
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this.hide();
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this.focusOnTrigger();
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}
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};
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this.handleDocumentKeyDown = (event) => {
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var _a;
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if (event.key === "Escape" && this.open && !this.closeWatcher) {
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event.stopPropagation();
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this.focusOnTrigger();
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this.hide();
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return;
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}
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if (event.key === "Tab") {
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if (this.open && ((_a = document.activeElement) == null ? void 0 : _a.tagName.toLowerCase()) === "sl-menu-item") {
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event.preventDefault();
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this.hide();
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this.focusOnTrigger();
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return;
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}
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setTimeout(() => {
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var _a2, _b, _c;
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const activeElement = ((_a2 = this.containingElement) == null ? void 0 : _a2.getRootNode()) instanceof ShadowRoot ? (_c = (_b = document.activeElement) == null ? void 0 : _b.shadowRoot) == null ? void 0 : _c.activeElement : document.activeElement;
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if (!this.containingElement || (activeElement == null ? void 0 : activeElement.closest(this.containingElement.tagName.toLowerCase())) !== this.containingElement) {
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this.hide();
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}
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});
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}
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};
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this.handleDocumentMouseDown = (event) => {
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const path = event.composedPath();
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if (this.containingElement && !path.includes(this.containingElement)) {
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this.hide();
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}
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};
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this.handlePanelSelect = (event) => {
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const target = event.target;
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if (!this.stayOpenOnSelect && target.tagName.toLowerCase() === "sl-menu") {
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this.hide();
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this.focusOnTrigger();
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}
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};
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}
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connectedCallback() {
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super.connectedCallback();
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if (!this.containingElement) {
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this.containingElement = this;
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}
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}
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firstUpdated() {
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this.panel.hidden = !this.open;
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if (this.open) {
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this.addOpenListeners();
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this.popup.active = true;
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}
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}
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disconnectedCallback() {
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super.disconnectedCallback();
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this.removeOpenListeners();
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this.hide();
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}
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focusOnTrigger() {
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const trigger = this.trigger.assignedElements({ flatten: true })[0];
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if (typeof (trigger == null ? void 0 : trigger.focus) === "function") {
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trigger.focus();
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}
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}
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getMenu() {
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return this.panel.assignedElements({ flatten: true }).find((el) => el.tagName.toLowerCase() === "sl-menu");
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}
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handleTriggerClick() {
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if (this.open) {
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this.hide();
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} else {
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this.show();
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this.focusOnTrigger();
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}
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}
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async handleTriggerKeyDown(event) {
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if ([" ", "Enter"].includes(event.key)) {
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event.preventDefault();
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this.handleTriggerClick();
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return;
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}
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const menu = this.getMenu();
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if (menu) {
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const menuItems = menu.getAllItems();
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const firstMenuItem = menuItems[0];
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const lastMenuItem = menuItems[menuItems.length - 1];
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if (["ArrowDown", "ArrowUp", "Home", "End"].includes(event.key)) {
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event.preventDefault();
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if (!this.open) {
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this.show();
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await this.updateComplete;
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}
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if (menuItems.length > 0) {
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this.updateComplete.then(() => {
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if (event.key === "ArrowDown" || event.key === "Home") {
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menu.setCurrentItem(firstMenuItem);
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firstMenuItem.focus();
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}
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if (event.key === "ArrowUp" || event.key === "End") {
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menu.setCurrentItem(lastMenuItem);
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lastMenuItem.focus();
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}
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});
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}
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}
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}
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}
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handleTriggerKeyUp(event) {
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if (event.key === " ") {
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event.preventDefault();
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}
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}
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handleTriggerSlotChange() {
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this.updateAccessibleTrigger();
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}
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//
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// Slotted triggers can be arbitrary content, but we need to link them to the dropdown panel with `aria-haspopup` and
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// `aria-expanded`. These must be applied to the "accessible trigger" (the tabbable portion of the trigger element
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// that gets slotted in) so screen readers will understand them. The accessible trigger could be the slotted element,
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// a child of the slotted element, or an element in the slotted element's shadow root.
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//
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// For example, the accessible trigger of an <sl-button> is a <button> located inside its shadow root.
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//
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// To determine this, we assume the first tabbable element in the trigger slot is the "accessible trigger."
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//
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updateAccessibleTrigger() {
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const assignedElements = this.trigger.assignedElements({ flatten: true });
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const accessibleTrigger = assignedElements.find((el) => getTabbableBoundary(el).start);
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let target;
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if (accessibleTrigger) {
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switch (accessibleTrigger.tagName.toLowerCase()) {
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case "sl-button":
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case "sl-icon-button":
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target = accessibleTrigger.button;
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break;
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default:
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target = accessibleTrigger;
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}
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target.setAttribute("aria-haspopup", "true");
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target.setAttribute("aria-expanded", this.open ? "true" : "false");
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}
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}
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/** Shows the dropdown panel. */
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async show() {
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if (this.open) {
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return void 0;
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}
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this.open = true;
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return waitForEvent(this, "sl-after-show");
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}
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/** Hides the dropdown panel */
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async hide() {
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if (!this.open) {
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return void 0;
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}
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this.open = false;
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return waitForEvent(this, "sl-after-hide");
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}
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/**
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* Instructs the dropdown menu to reposition. Useful when the position or size of the trigger changes when the menu
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* is activated.
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*/
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reposition() {
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this.popup.reposition();
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}
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addOpenListeners() {
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var _a;
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this.panel.addEventListener("sl-select", this.handlePanelSelect);
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if ("CloseWatcher" in window) {
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(_a = this.closeWatcher) == null ? void 0 : _a.destroy();
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this.closeWatcher = new CloseWatcher();
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this.closeWatcher.onclose = () => {
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this.hide();
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this.focusOnTrigger();
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};
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} else {
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this.panel.addEventListener("keydown", this.handleKeyDown);
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}
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document.addEventListener("keydown", this.handleDocumentKeyDown);
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document.addEventListener("mousedown", this.handleDocumentMouseDown);
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}
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removeOpenListeners() {
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var _a;
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if (this.panel) {
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this.panel.removeEventListener("sl-select", this.handlePanelSelect);
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this.panel.removeEventListener("keydown", this.handleKeyDown);
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}
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document.removeEventListener("keydown", this.handleDocumentKeyDown);
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document.removeEventListener("mousedown", this.handleDocumentMouseDown);
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(_a = this.closeWatcher) == null ? void 0 : _a.destroy();
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}
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async handleOpenChange() {
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if (this.disabled) {
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this.open = false;
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return;
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}
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this.updateAccessibleTrigger();
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if (this.open) {
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this.emit("sl-show");
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this.addOpenListeners();
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await stopAnimations(this);
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this.panel.hidden = false;
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this.popup.active = true;
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const { keyframes, options } = getAnimation(this, "dropdown.show", { dir: this.localize.dir() });
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await animateTo(this.popup.popup, keyframes, options);
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this.emit("sl-after-show");
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} else {
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this.emit("sl-hide");
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this.removeOpenListeners();
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await stopAnimations(this);
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const { keyframes, options } = getAnimation(this, "dropdown.hide", { dir: this.localize.dir() });
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await animateTo(this.popup.popup, keyframes, options);
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this.panel.hidden = true;
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this.popup.active = false;
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this.emit("sl-after-hide");
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}
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}
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render() {
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return x`
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<sl-popup
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part="base"
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id="dropdown"
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placement=${this.placement}
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distance=${this.distance}
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skidding=${this.skidding}
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strategy=${this.hoist ? "fixed" : "absolute"}
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flip
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shift
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auto-size="vertical"
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auto-size-padding="10"
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class=${e({
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dropdown: true,
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"dropdown--open": this.open
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})}
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>
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<slot
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name="trigger"
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slot="anchor"
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part="trigger"
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class="dropdown__trigger"
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@click=${this.handleTriggerClick}
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@keydown=${this.handleTriggerKeyDown}
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@keyup=${this.handleTriggerKeyUp}
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@slotchange=${this.handleTriggerSlotChange}
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></slot>
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<div aria-hidden=${this.open ? "false" : "true"} aria-labelledby="dropdown">
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<slot part="panel" class="dropdown__panel"></slot>
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</div>
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</sl-popup>
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`;
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}
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};
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SlDropdown.styles = dropdown_styles_default;
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SlDropdown.dependencies = { "sl-popup": SlPopup };
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__decorateClass([
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e2(".dropdown")
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], SlDropdown.prototype, "popup", 2);
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__decorateClass([
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e2(".dropdown__trigger")
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], SlDropdown.prototype, "trigger", 2);
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__decorateClass([
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e2(".dropdown__panel")
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], SlDropdown.prototype, "panel", 2);
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__decorateClass([
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n({ type: Boolean, reflect: true })
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], SlDropdown.prototype, "open", 2);
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__decorateClass([
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n({ reflect: true })
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], SlDropdown.prototype, "placement", 2);
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__decorateClass([
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n({ type: Boolean, reflect: true })
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], SlDropdown.prototype, "disabled", 2);
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__decorateClass([
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n({ attribute: "stay-open-on-select", type: Boolean, reflect: true })
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], SlDropdown.prototype, "stayOpenOnSelect", 2);
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__decorateClass([
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n({ attribute: false })
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], SlDropdown.prototype, "containingElement", 2);
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__decorateClass([
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n({ type: Number })
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], SlDropdown.prototype, "distance", 2);
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__decorateClass([
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n({ type: Number })
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], SlDropdown.prototype, "skidding", 2);
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__decorateClass([
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n({ type: Boolean })
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], SlDropdown.prototype, "hoist", 2);
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__decorateClass([
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watch("open", { waitUntilFirstUpdate: true })
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], SlDropdown.prototype, "handleOpenChange", 1);
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setDefaultAnimation("dropdown.show", {
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keyframes: [
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{ opacity: 0, scale: 0.9 },
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{ opacity: 1, scale: 1 }
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],
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options: { duration: 100, easing: "ease" }
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});
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setDefaultAnimation("dropdown.hide", {
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keyframes: [
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{ opacity: 1, scale: 1 },
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{ opacity: 0, scale: 0.9 }
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],
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options: { duration: 100, easing: "ease" }
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});
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export {
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SlDropdown
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};
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