@esri/calcite-components/dist/esm/calcite-dropdown_3.entry.js

Web Components for Esri's Calcite Design System.

/*!
 * All material copyright ESRI, All Rights Reserved, unless otherwise specified.
 * See https://github.com/Esri/calcite-components/blob/master/LICENSE.md for details.
 */
import { r as registerInstance, c as createEvent, h, H as Host, g as getElement } from './index-bd94948c.js';
import { g as getSlotted, f as focusElement, d as getElementProp } from './dom-e7fa77b9.js';
import { d as defaultMenuPlacement, C as CSS$2, u as updatePopper, c as createPopper, p as popperMenuFlipPlacements } from './popper-da45ec93.js';
import { c as createObserver } from './observers-46118290.js';
import { u as updateHostInteraction } from './interactive-48b5cc0f.js';
import './guid-196bd5ea.js';

const SLOTS = {
  dropdownTrigger: "dropdown-trigger"
};

const dropdownCss = "@-webkit-keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in{0%{opacity:0}100%{opacity:1}}@-webkit-keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}@keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}:root{--calcite-animation-timing:calc(150ms * var(--calcite-internal-duration-factor));--calcite-internal-duration-factor:var(--calcite-duration-factor, 1);--calcite-internal-animation-timing-fast:calc(100ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-medium:calc(200ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-slow:calc(300ms * var(--calcite-internal-duration-factor))}.calcite-animate{opacity:0;-webkit-animation-fill-mode:both;animation-fill-mode:both;-webkit-animation-duration:var(--calcite-animation-timing);animation-duration:var(--calcite-animation-timing)}.calcite-animate__in{-webkit-animation-name:in;animation-name:in}.calcite-animate__in-down{-webkit-animation-name:in-down;animation-name:in-down}.calcite-animate__in-up{-webkit-animation-name:in-up;animation-name:in-up}.calcite-animate__in-scale{-webkit-animation-name:in-scale;animation-name:in-scale}:root{--calcite-popper-transition:var(--calcite-animation-timing)}:host([hidden]){display:none}:host{display:-ms-inline-flexbox;display:inline-flex;-ms-flex:0 1 auto;flex:0 1 auto}:host([disabled]){pointer-events:none;cursor:default;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;opacity:var(--calcite-ui-opacity-disabled)}:host([disabled]) ::slotted([calcite-hydrated][disabled]),:host([disabled]) [calcite-hydrated][disabled]{opacity:1}:host .calcite-dropdown-wrapper{display:block;position:absolute;z-index:900;-webkit-transform:scale(0);transform:scale(0);visibility:hidden;pointer-events:none}.calcite-dropdown-wrapper .calcite-popper-anim{position:relative;z-index:1;-webkit-transition:var(--calcite-popper-transition);transition:var(--calcite-popper-transition);visibility:hidden;-webkit-transition-property:visibility, opacity, -webkit-transform;transition-property:visibility, opacity, -webkit-transform;transition-property:transform, visibility, opacity;transition-property:transform, visibility, opacity, -webkit-transform;opacity:0;-webkit-box-shadow:0 0 16px 0 rgba(0, 0, 0, 0.16);box-shadow:0 0 16px 0 rgba(0, 0, 0, 0.16);border-radius:0.25rem}.calcite-dropdown-wrapper[data-popper-placement^=bottom] .calcite-popper-anim{-webkit-transform:translateY(-5px);transform:translateY(-5px)}.calcite-dropdown-wrapper[data-popper-placement^=top] .calcite-popper-anim{-webkit-transform:translateY(5px);transform:translateY(5px)}.calcite-dropdown-wrapper[data-popper-placement^=left] .calcite-popper-anim{-webkit-transform:translateX(5px);transform:translateX(5px)}.calcite-dropdown-wrapper[data-popper-placement^=right] .calcite-popper-anim{-webkit-transform:translateX(-5px);transform:translateX(-5px)}.calcite-dropdown-wrapper[data-popper-placement] .calcite-popper-anim--active{opacity:1;visibility:visible;-webkit-transform:translate(0);transform:translate(0)}:host([active]) .calcite-dropdown-wrapper{pointer-events:initial;visibility:visible}:host .calcite-dropdown-content{width:auto;overflow-y:auto;overflow-x:hidden;background-color:var(--calcite-ui-foreground-1);max-height:90vh;width:var(--calcite-dropdown-width)}.calcite-dropdown-trigger-container{position:relative;display:-ms-flexbox;display:flex;-ms-flex:1 1 auto;flex:1 1 auto}:host([width=s]){--calcite-dropdown-width:12rem}:host([width=m]){--calcite-dropdown-width:14rem}:host([width=l]){--calcite-dropdown-width:16rem}";

const Dropdown = class {
  constructor(hostRef) {
    registerInstance(this, hostRef);
    this.calciteDropdownSelect = createEvent(this, "calciteDropdownSelect", 7);
    this.calciteDropdownOpen = createEvent(this, "calciteDropdownOpen", 7);
    this.calciteDropdownClose = createEvent(this, "calciteDropdownClose", 7);
    //--------------------------------------------------------------------------
    //
    //  Public Properties
    //
    //--------------------------------------------------------------------------
    /** Opens or closes the dropdown */
    this.active = false;
    /**
     allow the dropdown to remain open after a selection is made
     if the selection-mode of the selected item's containing group is "none", the dropdown will always close
     */
    this.disableCloseOnSelect = false;
    /** is the dropdown disabled  */
    this.disabled = false;
    /**
     specify the maximum number of calcite-dropdown-items to display before showing the scroller, must be greater than 0 -
     this value does not include groupTitles passed to calcite-dropdown-group
    */
    this.maxItems = 0;
    /** Describes the type of positioning to use for the overlaid content. If your element is in a fixed container, use the 'fixed' value. */
    this.overlayPositioning = "absolute";
    /**
     * Determines where the dropdown will be positioned relative to the button.
     * @default "bottom-leading"
     */
    this.placement = defaultMenuPlacement;
    /** specify the scale of dropdown, defaults to m */
    this.scale = "m";
    /**
     * **read-only** The currently selected items
     *
     * @readonly
     */
    this.selectedItems = [];
    /** specify whether the dropdown is opened by hover or click of a trigger element */
    this.type = "click";
    /** specify the width of dropdown, defaults to m */
    this.width = "m";
    //--------------------------------------------------------------------------
    //
    //  Private State/Props
    //
    //--------------------------------------------------------------------------
    this.items = [];
    this.activeTransitionProp = "visibility";
    this.mutationObserver = createObserver("mutation", () => this.updateItems());
    this.resizeObserver = createObserver("resize", () => this.setMaxScrollerHeight());
    //--------------------------------------------------------------------------
    //
    //  Private Methods
    //
    //--------------------------------------------------------------------------
    this.updateItems = () => {
      this.updateSelectedItems();
      this.triggers = getSlotted(this.el, "dropdown-trigger", { all: true });
      this.items = Array.from(this.el.querySelectorAll("calcite-dropdown-item"));
      this.reposition();
    };
    this.setMaxScrollerHeight = () => {
      const { active, scrollerEl } = this;
      if (!scrollerEl || !active) {
        return;
      }
      this.reposition();
      const maxScrollerHeight = this.getMaxScrollerHeight();
      scrollerEl.style.maxHeight = maxScrollerHeight > 0 ? `${maxScrollerHeight}px` : "";
      this.reposition();
    };
    this.setScrollerEl = (scrollerEl) => {
      this.resizeObserver.observe(scrollerEl);
      this.scrollerEl = scrollerEl;
    };
    this.transitionEnd = (event) => {
      if (event.propertyName === this.activeTransitionProp) {
        this.active ? this.calciteDropdownOpen.emit() : this.calciteDropdownClose.emit();
      }
    };
    this.setReferenceEl = (el) => {
      this.referenceEl = el;
    };
    this.setMenuEl = (el) => {
      this.menuEl = el;
    };
    this.keyDownHandler = (e) => {
      const target = e.target;
      const key = e.key;
      if (this.triggers.includes(target) ||
        this.triggers.some((trigger) => trigger.contains(target))) {
        const ignoredNodeTypes = ["BUTTON", "CALCITE-BUTTON", "CALCITE-ACTION"];
        if (ignoredNodeTypes.includes(target.nodeName)) {
          if (this.active && (key === "Escape" || (e.shiftKey && key === "Tab"))) {
            this.closeCalciteDropdown();
          }
          return;
        }
        switch (key) {
          case " ":
          case "Enter":
            this.openCalciteDropdown();
            break;
          case "Escape":
            this.closeCalciteDropdown();
            break;
        }
      }
    };
    this.focusOnFirstActiveOrFirstItem = () => {
      this.getFocusableElement(this.items.find((item) => item.active) || this.items[0]);
    };
    this.toggleOpenEnd = () => {
      this.focusOnFirstActiveOrFirstItem();
      this.el.removeEventListener("calciteDropdownOpen", this.toggleOpenEnd);
    };
    this.openCalciteDropdown = () => {
      this.active = !this.active;
      if (this.active) {
        this.el.addEventListener("calciteDropdownOpen", this.toggleOpenEnd);
      }
    };
  }
  activeHandler() {
    if (!this.disabled) {
      this.reposition();
      return;
    }
    this.active = false;
  }
  handleDisabledChange(value) {
    if (!value) {
      this.active = false;
    }
  }
  maxItemsHandler() {
    this.setMaxScrollerHeight();
  }
  placementHandler() {
    this.reposition();
  }
  //--------------------------------------------------------------------------
  //
  //  Lifecycle
  //
  //--------------------------------------------------------------------------
  connectedCallback() {
    var _a;
    (_a = this.mutationObserver) === null || _a === void 0 ? void 0 : _a.observe(this.el, { childList: true, subtree: true });
    this.createPopper();
    this.updateItems();
  }
  componentDidLoad() {
    this.reposition();
  }
  componentDidRender() {
    updateHostInteraction(this);
  }
  disconnectedCallback() {
    var _a, _b;
    (_a = this.mutationObserver) === null || _a === void 0 ? void 0 : _a.disconnect();
    (_b = this.resizeObserver) === null || _b === void 0 ? void 0 : _b.disconnect();
    this.destroyPopper();
  }
  render() {
    const { active } = this;
    return (h(Host, null, h("div", { class: "calcite-dropdown-trigger-container", onClick: this.openCalciteDropdown, onKeyDown: this.keyDownHandler, ref: this.setReferenceEl }, h("slot", { "aria-expanded": active.toString(), "aria-haspopup": "true", name: SLOTS.dropdownTrigger })), h("div", { "aria-hidden": (!active).toString(), class: "calcite-dropdown-wrapper", ref: this.setMenuEl }, h("div", { class: {
        ["calcite-dropdown-content"]: true,
        [CSS$2.animation]: true,
        [CSS$2.animationActive]: active
      }, onTransitionEnd: this.transitionEnd, ref: this.setScrollerEl }, h("div", { hidden: !this.active }, h("slot", null))))));
  }
  //--------------------------------------------------------------------------
  //
  //  Public Methods
  //
  //--------------------------------------------------------------------------
  /** Updates the position of the component. */
  async reposition() {
    const { popper, menuEl, placement } = this;
    const modifiers = this.getModifiers();
    popper
      ? await updatePopper({
        el: menuEl,
        modifiers,
        placement,
        popper
      })
      : this.createPopper();
  }
  closeCalciteDropdownOnClick(e) {
    if (!this.active || e.composedPath().includes(this.el)) {
      return;
    }
    this.closeCalciteDropdown(false);
  }
  closeCalciteDropdownOnEvent() {
    this.closeCalciteDropdown();
  }
  closeCalciteDropdownOnOpenEvent(e) {
    if (e.composedPath().includes(this.el)) {
      return;
    }
    this.active = false;
  }
  mouseEnterHandler() {
    if (this.type === "hover") {
      this.openCalciteDropdown();
    }
  }
  mouseLeaveHandler() {
    if (this.type === "hover") {
      this.closeCalciteDropdown();
    }
  }
  calciteDropdownItemKeyEvent(e) {
    const { keyboardEvent } = e.detail;
    // handle edge
    const target = keyboardEvent.target;
    const itemToFocus = target.nodeName !== "A" ? target : target.parentNode;
    const isFirstItem = this.itemIndex(itemToFocus) === 0;
    const isLastItem = this.itemIndex(itemToFocus) === this.items.length - 1;
    switch (keyboardEvent.key) {
      case "Tab":
        if (isLastItem && !keyboardEvent.shiftKey) {
          this.closeCalciteDropdown();
        }
        else if (isFirstItem && keyboardEvent.shiftKey) {
          this.closeCalciteDropdown();
        }
        else if (keyboardEvent.shiftKey) {
          this.focusPrevItem(itemToFocus);
        }
        else {
          this.focusNextItem(itemToFocus);
        }
        break;
      case "ArrowDown":
        this.focusNextItem(itemToFocus);
        break;
      case "ArrowUp":
        this.focusPrevItem(itemToFocus);
        break;
      case "Home":
        this.focusFirstItem();
        break;
      case "End":
        this.focusLastItem();
        break;
    }
    e.stopPropagation();
  }
  handleItemSelect(event) {
    this.updateSelectedItems();
    event.stopPropagation();
    this.calciteDropdownSelect.emit();
    if (!this.disableCloseOnSelect ||
      event.detail.requestedDropdownGroup.selectionMode === "none") {
      this.closeCalciteDropdown();
    }
  }
  getModifiers() {
    const flipModifier = {
      name: "flip",
      enabled: true
    };
    flipModifier.options = {
      fallbackPlacements: this.flipPlacements || popperMenuFlipPlacements
    };
    const eventListenerModifier = {
      name: "eventListeners",
      enabled: this.active
    };
    return [flipModifier, eventListenerModifier];
  }
  createPopper() {
    this.destroyPopper();
    const { menuEl, referenceEl, placement, overlayPositioning } = this;
    const modifiers = this.getModifiers();
    this.popper = createPopper({
      el: menuEl,
      modifiers,
      overlayPositioning,
      placement,
      referenceEl
    });
  }
  destroyPopper() {
    const { popper } = this;
    if (popper) {
      popper.destroy();
    }
    this.popper = null;
  }
  updateSelectedItems() {
    const items = Array.from(this.el.querySelectorAll("calcite-dropdown-item"));
    this.selectedItems = items.filter((item) => item.active);
  }
  getMaxScrollerHeight() {
    const groups = Array.from(this.el.querySelectorAll("calcite-dropdown-group"));
    const { maxItems } = this;
    let itemsToProcess = 0;
    let maxScrollerHeight = 0;
    let groupHeaderHeight;
    groups.forEach((group) => {
      if (maxItems > 0 && itemsToProcess < maxItems) {
        Array.from(group.children).forEach((item, index) => {
          if (index === 0) {
            if (isNaN(groupHeaderHeight)) {
              groupHeaderHeight = item.offsetTop;
            }
            maxScrollerHeight += groupHeaderHeight;
          }
          if (itemsToProcess < maxItems) {
            maxScrollerHeight += item.offsetHeight;
            itemsToProcess += 1;
          }
        });
      }
    });
    return maxScrollerHeight;
  }
  closeCalciteDropdown(focusTrigger = true) {
    this.active = false;
    if (focusTrigger) {
      focusElement(this.triggers[0]);
    }
  }
  focusFirstItem() {
    const firstItem = this.items[0];
    this.getFocusableElement(firstItem);
  }
  focusLastItem() {
    const lastItem = this.items[this.items.length - 1];
    this.getFocusableElement(lastItem);
  }
  focusNextItem(e) {
    const index = this.itemIndex(e);
    const nextItem = this.items[index + 1] || this.items[0];
    this.getFocusableElement(nextItem);
  }
  focusPrevItem(e) {
    const index = this.itemIndex(e);
    const prevItem = this.items[index - 1] || this.items[this.items.length - 1];
    this.getFocusableElement(prevItem);
  }
  itemIndex(e) {
    return this.items.indexOf(e);
  }
  getFocusableElement(item) {
    if (!item) {
      return;
    }
    const target = item.attributes.isLink
      ? item.shadowRoot.querySelector("a")
      : item;
    focusElement(target);
  }
  get el() { return getElement(this); }
  static get watchers() { return {
    "active": ["activeHandler"],
    "disabled": ["handleDisabledChange"],
    "maxItems": ["maxItemsHandler"],
    "placement": ["placementHandler"]
  }; }
};
Dropdown.style = dropdownCss;

const CSS$1 = {
  containerSmall: "container--s",
  containerMedium: "container--m",
  containerLarge: "container--l"
};

const dropdownGroupCss = "@-webkit-keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in{0%{opacity:0}100%{opacity:1}}@-webkit-keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}@keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}:root{--calcite-animation-timing:calc(150ms * var(--calcite-internal-duration-factor));--calcite-internal-duration-factor:var(--calcite-duration-factor, 1);--calcite-internal-animation-timing-fast:calc(100ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-medium:calc(200ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-slow:calc(300ms * var(--calcite-internal-duration-factor))}.calcite-animate{opacity:0;-webkit-animation-fill-mode:both;animation-fill-mode:both;-webkit-animation-duration:var(--calcite-animation-timing);animation-duration:var(--calcite-animation-timing)}.calcite-animate__in{-webkit-animation-name:in;animation-name:in}.calcite-animate__in-down{-webkit-animation-name:in-down;animation-name:in-down}.calcite-animate__in-up{-webkit-animation-name:in-up;animation-name:in-up}.calcite-animate__in-scale{-webkit-animation-name:in-scale;animation-name:in-scale}:root{--calcite-popper-transition:var(--calcite-animation-timing)}:host([hidden]){display:none}:host{display:block}.container--s{font-size:var(--calcite-font-size--2);line-height:1rem}.container--s .dropdown-title{padding:0.5rem}.container--m{font-size:var(--calcite-font-size--1);line-height:1rem}.container--m .dropdown-title{padding:0.75rem}.container--l{font-size:var(--calcite-font-size-0);line-height:1.25rem}.container--l .dropdown-title{padding:1rem}.dropdown-title{margin-bottom:-1px;display:block;cursor:default;overflow-wrap:break-word;border-width:0px;border-bottom-width:1px;border-style:solid;border-color:var(--calcite-ui-border-3);font-weight:var(--calcite-font-weight-bold);color:var(--calcite-ui-text-2)}.dropdown-separator{display:block;height:1px;background-color:var(--calcite-ui-border-3)}";

const DropdownGroup = class {
  constructor(hostRef) {
    registerInstance(this, hostRef);
    this.calciteDropdownItemChange = createEvent(this, "calciteDropdownItemChange", 7);
    /** specify the selection mode - multi (allow any number of (or no) active items), single (allow and require one active item),
     none (no active items), defaults to single */
    this.selectionMode = "single";
  }
  //--------------------------------------------------------------------------
  //
  //  Lifecycle
  //
  //--------------------------------------------------------------------------
  componentWillLoad() {
    this.groupPosition = this.getGroupPosition();
  }
  render() {
    const scale = this.scale || getElementProp(this.el, "scale", "m");
    const groupTitle = this.groupTitle ? (h("span", { "aria-hidden": "true", class: "dropdown-title" }, this.groupTitle)) : null;
    const dropdownSeparator = this.groupPosition > 0 ? h("div", { class: "dropdown-separator", role: "separator" }) : null;
    return (h(Host, { role: "menu" }, h("div", { class: {
        container: true,
        [CSS$1.containerSmall]: scale === "s",
        [CSS$1.containerMedium]: scale === "m",
        [CSS$1.containerLarge]: scale === "l"
      }, title: this.groupTitle }, dropdownSeparator, groupTitle, h("slot", null))));
  }
  //--------------------------------------------------------------------------
  //
  //  Event Listeners
  //
  //--------------------------------------------------------------------------
  updateActiveItemOnChange(event) {
    this.requestedDropdownGroup = event.detail.requestedDropdownGroup;
    this.requestedDropdownItem = event.detail.requestedDropdownItem;
    this.calciteDropdownItemChange.emit({
      requestedDropdownGroup: this.requestedDropdownGroup,
      requestedDropdownItem: this.requestedDropdownItem
    });
  }
  //--------------------------------------------------------------------------
  //
  //  Private Methods
  //
  //--------------------------------------------------------------------------
  getGroupPosition() {
    return Array.prototype.indexOf.call(this.el.parentElement.querySelectorAll("calcite-dropdown-group"), this.el);
  }
  get el() { return getElement(this); }
};
DropdownGroup.style = dropdownGroupCss;

const CSS = {
  containerLink: "container--link",
  containerSmall: "container--s",
  containerMedium: "container--m",
  containerLarge: "container--l",
  containerMulti: "container--multi-selection",
  containerSingle: "container--single-selection",
  containerNone: "container--none-selection"
};

const dropdownItemCss = "@-webkit-keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in{0%{opacity:0}100%{opacity:1}}@-webkit-keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}@keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}:root{--calcite-animation-timing:calc(150ms * var(--calcite-internal-duration-factor));--calcite-internal-duration-factor:var(--calcite-duration-factor, 1);--calcite-internal-animation-timing-fast:calc(100ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-medium:calc(200ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-slow:calc(300ms * var(--calcite-internal-duration-factor))}.calcite-animate{opacity:0;-webkit-animation-fill-mode:both;animation-fill-mode:both;-webkit-animation-duration:var(--calcite-animation-timing);animation-duration:var(--calcite-animation-timing)}.calcite-animate__in{-webkit-animation-name:in;animation-name:in}.calcite-animate__in-down{-webkit-animation-name:in-down;animation-name:in-down}.calcite-animate__in-up{-webkit-animation-name:in-up;animation-name:in-up}.calcite-animate__in-scale{-webkit-animation-name:in-scale;animation-name:in-scale}:root{--calcite-popper-transition:var(--calcite-animation-timing)}:host([hidden]){display:none}.container--s{padding-top:0.25rem;padding-bottom:0.25rem;font-size:var(--calcite-font-size--2);line-height:1rem;-webkit-padding-end:0.5rem;padding-inline-end:0.5rem;-webkit-padding-start:1.5rem;padding-inline-start:1.5rem}.container--m{padding-top:0.5rem;padding-bottom:0.5rem;font-size:var(--calcite-font-size--1);line-height:1rem;-webkit-padding-end:0.75rem;padding-inline-end:0.75rem;-webkit-padding-start:2rem;padding-inline-start:2rem}.container--l{padding-top:0.75rem;padding-bottom:0.75rem;font-size:var(--calcite-font-size-0);line-height:1.25rem;-webkit-padding-end:1rem;padding-inline-end:1rem;-webkit-padding-start:2.5rem;padding-inline-start:2.5rem}.container--s.container--none-selection{-webkit-padding-start:0.25rem;padding-inline-start:0.25rem}.container--s.container--none-selection .dropdown-link{-webkit-padding-start:0px;padding-inline-start:0px}.container--m.container--none-selection{-webkit-padding-start:0.5rem;padding-inline-start:0.5rem}.container--m.container--none-selection .dropdown-link{-webkit-padding-start:0px;padding-inline-start:0px}.container--l.container--none-selection{-webkit-padding-start:0.75rem;padding-inline-start:0.75rem}.container--l.container--none-selection .dropdown-link{-webkit-padding-start:0px;padding-inline-start:0px}:host{position:relative;display:-ms-flexbox;display:flex;-ms-flex-positive:1;flex-grow:1;-ms-flex-align:center;align-items:center}.container{position:relative;display:-ms-flexbox;display:flex;-ms-flex-positive:1;flex-grow:1;cursor:pointer;-ms-flex-align:center;align-items:center;color:var(--calcite-ui-text-3);-webkit-text-decoration-line:none;text-decoration-line:none;outline:2px solid transparent;outline-offset:2px;-webkit-transition-duration:150ms;transition-duration:150ms;-webkit-transition-timing-function:cubic-bezier(0.4, 0, 0.2, 1);transition-timing-function:cubic-bezier(0.4, 0, 0.2, 1)}.dropdown-item-content{-ms-flex:1 1 auto;flex:1 1 auto;-webkit-padding-end:auto;padding-inline-end:auto;-webkit-padding-start:0.25rem;padding-inline-start:0.25rem}:host,.container--link a{outline-offset:0;outline-color:transparent;-webkit-transition:outline-offset 100ms ease-in-out, outline-color 100ms ease-in-out;transition:outline-offset 100ms ease-in-out, outline-color 100ms ease-in-out}:host(:focus){outline:2px solid var(--calcite-ui-brand);outline-offset:-2px}.container--link{padding:0px}.container--link a{position:relative;display:-ms-flexbox;display:flex;-ms-flex-positive:1;flex-grow:1;cursor:pointer;-ms-flex-align:center;align-items:center;color:var(--calcite-ui-text-3);-webkit-text-decoration-line:none;text-decoration-line:none;outline:2px solid transparent;outline-offset:2px;-webkit-transition-duration:150ms;transition-duration:150ms;-webkit-transition-timing-function:cubic-bezier(0.4, 0, 0.2, 1);transition-timing-function:cubic-bezier(0.4, 0, 0.2, 1)}.container--s .dropdown-link{padding-top:0.25rem;padding-bottom:0.25rem;font-size:var(--calcite-font-size--2);line-height:1rem;-webkit-padding-end:0.5rem;padding-inline-end:0.5rem;-webkit-padding-start:1.5rem;padding-inline-start:1.5rem}.container--m .dropdown-link{padding-top:0.5rem;padding-bottom:0.5rem;font-size:var(--calcite-font-size--1);line-height:1rem;-webkit-padding-end:0.75rem;padding-inline-end:0.75rem;-webkit-padding-start:2rem;padding-inline-start:2rem}.container--l .dropdown-link{padding-top:0.75rem;padding-bottom:0.75rem;font-size:var(--calcite-font-size-0);line-height:1.25rem;-webkit-padding-end:1rem;padding-inline-end:1rem;-webkit-padding-start:2.5rem;padding-inline-start:2.5rem}:host(:hover) .container,:host(:active) .container{background-color:var(--calcite-ui-foreground-2);color:var(--calcite-ui-text-1);-webkit-text-decoration-line:none;text-decoration-line:none}:host(:hover) .container--link .dropdown-link,:host(:active) .container--link .dropdown-link{color:var(--calcite-ui-text-1)}:host(:focus) .container{color:var(--calcite-ui-text-1);-webkit-text-decoration-line:none;text-decoration-line:none}:host(:active) .container{background-color:var(--calcite-ui-foreground-3)}:host(:hover) .container:before,:host(:active) .container:before,:host(:focus) .container:before{opacity:1}:host([active]) .container:not(.container--none-selection),:host([active]) .container--link .dropdown-link{font-weight:var(--calcite-font-weight-medium);color:var(--calcite-ui-text-1)}:host([active]) .container:not(.container--none-selection):before,:host([active]) .container--link .dropdown-link:before{opacity:1;color:var(--calcite-ui-brand)}:host([active]) .container:not(.container--none-selection) calcite-icon,:host([active]) .container--link .dropdown-link calcite-icon{color:var(--calcite-ui-brand)}.container--multi-selection:before,.container--none-selection:before{display:none}.container--s:before{inset-inline-start:0.5rem}.container--m:before{inset-inline-start:0.75rem}.container--l:before{inset-inline-start:1rem}.dropdown-item-icon{position:absolute;opacity:0;-webkit-transition-duration:150ms;transition-duration:150ms;-webkit-transition-timing-function:cubic-bezier(0.4, 0, 0.2, 1);transition-timing-function:cubic-bezier(0.4, 0, 0.2, 1);-webkit-transform:scale(0.9);transform:scale(0.9)}.container--s .dropdown-item-icon{inset-inline-start:0.25rem}.container--m .dropdown-item-icon{inset-inline-start:0.5rem}.container--l .dropdown-item-icon{inset-inline-start:0.75rem}:host(:hover) .dropdown-item-icon{color:var(--calcite-ui-border-1);opacity:1}:host([active]) .dropdown-item-icon{color:var(--calcite-ui-brand);opacity:1}.container--s .dropdown-item-icon-start{-webkit-margin-end:0.5rem;margin-inline-end:0.5rem;-webkit-margin-start:0.25rem;margin-inline-start:0.25rem}.container--s .dropdown-item-icon-end{-webkit-margin-start:0.5rem;margin-inline-start:0.5rem}.container--m .dropdown-item-icon-start{-webkit-margin-end:0.75rem;margin-inline-end:0.75rem;-webkit-margin-start:0.25rem;margin-inline-start:0.25rem}.container--m .dropdown-item-icon-end{-webkit-margin-start:0.75rem;margin-inline-start:0.75rem}.container--l .dropdown-item-icon-start{-webkit-margin-end:1rem;margin-inline-end:1rem;-webkit-margin-start:0.25rem;margin-inline-start:0.25rem}.container--l .dropdown-item-icon-end{-webkit-margin-start:1rem;margin-inline-start:1rem}";

const DropdownItem = class {
  constructor(hostRef) {
    registerInstance(this, hostRef);
    this.calciteDropdownItemSelect = createEvent(this, "calciteDropdownItemSelect", 7);
    this.calciteDropdownItemKeyEvent = createEvent(this, "calciteDropdownItemKeyEvent", 7);
    this.calciteDropdownCloseRequest = createEvent(this, "calciteDropdownCloseRequest", 7);
    //--------------------------------------------------------------------------
    //
    //  Public Properties
    //
    //--------------------------------------------------------------------------
    /** Indicates whether the item is active. */
    this.active = false;
  }
  //--------------------------------------------------------------------------
  //
  //  Public Methods
  //
  //--------------------------------------------------------------------------
  /** Sets focus on the component. */
  async setFocus() {
    this.el.focus();
  }
  //--------------------------------------------------------------------------
  //
  //  Lifecycle
  //
  //--------------------------------------------------------------------------
  connectedCallback() {
    this.selectionMode = getElementProp(this.el, "selection-mode", "single");
    this.parentDropdownGroupEl = this.el.closest("calcite-dropdown-group");
    if (this.selectionMode === "none") {
      this.active = false;
    }
  }
  render() {
    const scale = getElementProp(this.el, "scale", "m");
    const iconStartEl = (h("calcite-icon", { class: "dropdown-item-icon-start", flipRtl: this.iconFlipRtl === "start" || this.iconFlipRtl === "both", icon: this.iconStart, scale: "s" }));
    const contentNode = (h("span", { class: "dropdown-item-content" }, h("slot", null)));
    const iconEndEl = (h("calcite-icon", { class: "dropdown-item-icon-end", flipRtl: this.iconFlipRtl === "end" || this.iconFlipRtl === "both", icon: this.iconEnd, scale: "s" }));
    const slottedContent = this.iconStart && this.iconEnd
      ? [iconStartEl, contentNode, iconEndEl]
      : this.iconStart
        ? [iconStartEl, h("slot", null)]
        : this.iconEnd
          ? [contentNode, iconEndEl]
          : contentNode;
    const contentEl = !this.href ? (slottedContent) : (h("a", { "aria-label": this.label, class: "dropdown-link", href: this.href, ref: (el) => (this.childLink = el), rel: this.rel, target: this.target }, slottedContent));
    const itemRole = this.href
      ? null
      : this.selectionMode === "single"
        ? "menuitemradio"
        : this.selectionMode === "multi"
          ? "menuitemcheckbox"
          : "menuitem";
    const itemAria = this.selectionMode !== "none" ? this.active.toString() : null;
    return (h(Host, { "aria-checked": itemAria, role: itemRole, tabindex: "0" }, h("div", { class: {
        container: true,
        [CSS.containerLink]: !!this.href,
        [CSS.containerSmall]: scale === "s",
        [CSS.containerMedium]: scale === "m",
        [CSS.containerLarge]: scale === "l",
        [CSS.containerMulti]: this.selectionMode === "multi",
        [CSS.containerSingle]: this.selectionMode === "single",
        [CSS.containerNone]: this.selectionMode === "none"
      } }, this.selectionMode !== "none" ? (h("calcite-icon", { class: "dropdown-item-icon", icon: this.selectionMode === "multi" ? "check" : "bullet-point", scale: "s" })) : null, contentEl)));
  }
  //--------------------------------------------------------------------------
  //
  //  Event Listeners
  //
  //--------------------------------------------------------------------------
  onClick() {
    this.emitRequestedItem();
  }
  keyDownHandler(e) {
    switch (e.key) {
      case " ":
        this.emitRequestedItem();
        if (this.href) {
          e.preventDefault();
          this.childLink.click();
        }
        break;
      case "Enter":
        this.emitRequestedItem();
        if (this.href) {
          this.childLink.click();
        }
        break;
      case "Escape":
        this.calciteDropdownCloseRequest.emit();
        break;
      case "Tab":
      case "ArrowUp":
      case "ArrowDown":
      case "Home":
      case "End":
        this.calciteDropdownItemKeyEvent.emit({ keyboardEvent: e });
        break;
    }
    e.preventDefault();
  }
  updateActiveItemOnChange(event) {
    const parentEmittedChange = event.composedPath().includes(this.parentDropdownGroupEl);
    if (parentEmittedChange) {
      this.requestedDropdownGroup = event.detail.requestedDropdownGroup;
      this.requestedDropdownItem = event.detail.requestedDropdownItem;
      this.determineActiveItem();
    }
  }
  //--------------------------------------------------------------------------
  //
  //  Private Methods
  //
  //--------------------------------------------------------------------------
  determineActiveItem() {
    switch (this.selectionMode) {
      case "multi":
        if (this.el === this.requestedDropdownItem) {
          this.active = !this.active;
        }
        break;
      case "single":
        if (this.el === this.requestedDropdownItem) {
          this.active = true;
        }
        else if (this.requestedDropdownGroup === this.parentDropdownGroupEl) {
          this.active = false;
        }
        break;
      case "none":
        this.active = false;
        break;
    }
  }
  emitRequestedItem() {
    this.calciteDropdownItemSelect.emit({
      requestedDropdownItem: this.el,
      requestedDropdownGroup: this.parentDropdownGroupEl
    });
  }
  get el() { return getElement(this); }
};
DropdownItem.style = dropdownItemCss;

export { Dropdown as calcite_dropdown, DropdownGroup as calcite_dropdown_group, DropdownItem as calcite_dropdown_item };