@trimble-oss/moduswebcomponents/collection/components/modus-wc-dropdown-menu/modus-wc-dropdown-menu.stories.js

Modus Web Components is a modern, accessible UI library built with Stencil JS that provides reusable web components following Trimble's Modus design system. This updated version focuses on improved flexibility, enhanced theming options, comprehensive cust

import { withActions } from "@storybook/addon-actions/decorator";
import { html } from "lit";
import { ifDefined } from "lit/directives/if-defined.js";
const meta = {
    title: 'Components/Dropdown Menu',
    component: 'modus-wc-dropdown-menu',
    args: {
        'button-aria-label': 'Dropdown menu button',
        'button-color': 'primary',
        'button-size': 'md',
        'button-variant': 'filled',
        disabled: false,
        'menu-bordered': true,
        'menu-offset': 14,
        'menu-placement': 'bottom-start',
        'menu-size': 'md',
        'menu-visible': false,
    },
    argTypes: {
        'button-color': {
            control: { type: 'select' },
            options: ['primary', 'secondary', 'tertiary', 'warning', 'danger'],
        },
        'button-size': {
            control: { type: 'select' },
            options: ['xs', 'sm', 'md', 'lg'],
        },
        'button-variant': {
            control: { type: 'select' },
            options: ['borderless', 'filled', 'outlined'],
        },
        'menu-placement': {
            control: { type: 'select' },
            options: [
                'top',
                'top-start',
                'top-end',
                'bottom',
                'bottom-start',
                'bottom-end',
                'left',
                'left-start',
                'left-end',
                'right',
                'right-start',
                'right-end',
            ],
        },
        'menu-size': {
            control: { type: 'select' },
            options: ['sm', 'md', 'lg'],
        },
    },
    decorators: [withActions],
    parameters: {
        actions: {
            handles: ['menuVisibilityChange'],
        },
    },
};
export default meta;
const Template = {
    render: (args) => {
        let selectedValue = '';
        const handleItemSelect = (event) => {
            selectedValue = event.detail.value;
            const displayElement = document.querySelector('#selected-value');
            if (displayElement) {
                displayElement.textContent = selectedValue;
            }
            // Close the dropdown menu when an item is selected
            const dropdownMenu = event.target;
            const dropdownMenuElement = dropdownMenu.closest('modus-wc-dropdown-menu');
            if (dropdownMenuElement) {
                dropdownMenuElement.menuVisible = false;
            }
        };
        // prettier-ignore
        return html `
<style>
  /* Storybook styling */
  div#story--components-dropdown-menu--default--primary-inner {
    display: flex;
    align-items: center;
    height: 240px;
  }

  [slot="button"] {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .value {
    font-size: 14px;
    padding-top: 12px;
  }
</style>



<modus-wc-dropdown-menu
  button-aria-label=${ifDefined(args['button-aria-label'])}
  button-color=${ifDefined(args['button-color'])}
  button-size=${ifDefined(args['button-size'])}
  button-variant=${ifDefined(args['button-variant'])}
  custom-class=${ifDefined(args['custom-class'])}
  ?disabled=${args.disabled}
  ?menu-bordered=${args['menu-bordered']}
  menu-offset=${ifDefined(args['menu-offset'])}
  menu-placement=${ifDefined(args['menu-placement'])}
  menu-size=${ifDefined(args['menu-size'])}
  ?menu-visible=${args['menu-visible']}
>
  <div slot="button">
    Button
    <modus-wc-icon name="expand_more" size="sm" />
  </div>

  <div slot="menu">
    <modus-wc-menu-item label="Item One" value="1" @itemSelect=${handleItemSelect}></modus-wc-menu-item>
    <modus-wc-menu-item label="Item Two" value="2" @itemSelect=${handleItemSelect} /></modus-wc-menu-item>
    <modus-wc-menu-item label="Item Three" value="3" @itemSelect=${handleItemSelect} /></modus-wc-menu-item>
  </div>
</modus-wc-dropdown-menu>
<script>
  // //  Adding this block to handle menu item selection to update a label and close the dropdown via JS.
  // let selectedValue = '';

  // const handleItemSelect = (event) => {
  // //  Update the "Selected Value" label
  //   selectedValue = event.detail.value;
  //   const displayElement = document.querySelector('#selected-value');
  //   if (displayElement) {
  //     displayElement.textContent = selectedValue;
  //   }

  //   // Close the dropdown menu when an item is selected
  //   const dropdownMenu = event.target;
  //   const dropdownMenuElement = dropdownMenu.closest(
  //     'modus-wc-dropdown-menu'
  //   );
  //   if (dropdownMenuElement) {
  //     dropdownMenuElement.menuVisible = false;
  //   }
  // };
  //  const menuItems = document.querySelectorAll('modus-wc-menu-item');
  //   menuItems.forEach(item => {
  //     item.addEventListener('itemSelect', handleItemSelect);
  //   });
</script>

<div class="value">
  Selected Value:
  <span id="selected-value"></span>
</div>
    `;
    },
};
export const Default = Object.assign({}, Template);