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https://github.com/material-components/material-web.git
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63b01425e7
This will enable forwards compatibility for `positioning="top-layer"` with popover. BREAKING CHANGE: refactor `fixed` property to `positioning="fixed"` in Menu and `menuFixed` to `menuPositioning="fixed"` PiperOrigin-RevId: 567723646
70 lines
1.9 KiB
TypeScript
70 lines
1.9 KiB
TypeScript
/**
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* @license
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* Copyright 2023 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import {customElement} from 'lit/decorators.js';
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import {SubMenu} from './internal/submenu/sub-menu.js';
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import {styles} from './internal/submenu/sub-menu-styles.css.js';
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declare global {
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interface HTMLElementTagNameMap {
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'md-sub-menu': MdSubMenu;
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}
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}
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/**
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* @summary Menus display a list of choices on a temporary surface.
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*
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* @description
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* Menu items are the selectable choices within the menu. Menu items must
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* implement the `Menu` interface and also have the `md-menu`
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* attribute. Additionally menu items are list items so they must also have the
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* `md-list-item` attribute.
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*
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* Menu items can control a menu by selectively firing the `close-menu` and
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* `deselect-items` events.
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*
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* This menu item will open a sub-menu that is slotted in the `submenu` slot.
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* Additionally, the containing menu must either have `has-overflow` or
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* `positioning=fixed` set to `true` in order to display the containing menu
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* properly.
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*
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* @example
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* ```html
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* <div style="position:relative;">
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* <button
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* id="anchor"
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* @click=${() => this.menuRef.value.show()}>
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* Click to open menu
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* </button>
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* <!--
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* `has-overflow` is required when using a submenu which overflows the
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* menu's contents
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* -->
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* <md-menu anchor="anchor" has-overflow ${ref(menuRef)}>
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* <md-menu-item headline="This is a headline"></md-menu-item>
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* <md-sub-menu>
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* <md-menu-item
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* slot="item"
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* headline="this is a submenu item">
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* </md-menu-item>
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* <md-menu slot="menu">
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* <md-menu-item headline="This is an item inside a submenu">
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* </md-menu-item>
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* </md-menu>
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* </md-sub-menu>
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* </md-menu>
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* </div>
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* ```
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*
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* @final
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* @suppress {visibility}
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*/
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@customElement('md-sub-menu')
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export class MdSubMenu extends SubMenu {
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static override styles = styles;
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}
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