/*!
 * All material copyright ESRI, All Rights Reserved, unless otherwise specified.
 * See https://github.com/Esri/calcite-components/blob/master/LICENSE.md for details.
 * v1.0.0-beta.97
 */
import { proxyCustomElement, HTMLElement, createEvent, h, Host } from '@stencil/core/internal/client/index.js';
import { g as getElementProp } from './dom.js';

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

const dropdownGroupCss = "@keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in-down{0%{opacity:0;transform:translate3D(0, -5px, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;transform:translate3D(0, 5px, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-scale{0%{opacity:0;transform:scale3D(0.95, 0.95, 1)}100%{opacity: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;animation-fill-mode:both;animation-duration:var(--calcite-animation-timing)}.calcite-animate__in{animation-name:in}.calcite-animate__in-down{animation-name:in-down}.calcite-animate__in-up{animation-name:in-up}.calcite-animate__in-scale{animation-name:in-scale}@media (prefers-reduced-motion: reduce){:root{--calcite-internal-duration-factor:0.01}}:root{--calcite-floating-ui-transition:var(--calcite-animation-timing)}:host([hidden]){display:none}:host{display:block}.container{text-align:start}.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-block-end:-1px;display:block;cursor:default;overflow-wrap:break-word;border-width:0px;border-block-end-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;block-size:1px;background-color:var(--calcite-ui-border-3)}";

const DropdownGroup = /*@__PURE__*/ proxyCustomElement(class extends HTMLElement {
  constructor() {
    super();
    this.__registerHost();
    this.__attachShadow();
    this.calciteInternalDropdownItemChange = createEvent(this, "calciteInternalDropdownItemChange", 6);
    /**
      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, { "aria-label": this.groupTitle, role: "group" }, h("div", { class: {
        container: true,
        [CSS.containerSmall]: scale === "s",
        [CSS.containerMedium]: scale === "m",
        [CSS.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.calciteInternalDropdownItemChange.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 this; }
  static get style() { return dropdownGroupCss; }
}, [1, "calcite-dropdown-group", {
    "groupTitle": [513, "group-title"],
    "selectionMode": [513, "selection-mode"],
    "scale": [513]
  }, [[0, "calciteInternalDropdownItemSelect", "updateActiveItemOnChange"]]]);
function defineCustomElement$1() {
  if (typeof customElements === "undefined") {
    return;
  }
  const components = ["calcite-dropdown-group"];
  components.forEach(tagName => { switch (tagName) {
    case "calcite-dropdown-group":
      if (!customElements.get(tagName)) {
        customElements.define(tagName, DropdownGroup);
      }
      break;
  } });
}
defineCustomElement$1();

const CalciteDropdownGroup = DropdownGroup;
const defineCustomElement = defineCustomElement$1;

export { CalciteDropdownGroup, defineCustomElement };