mirror of
https://github.com/phuoc-ng/csslayout.git
synced 2025-08-13 01:24:36 +02:00
feat: Nested dropdowns
This commit is contained in:
Phuoc Nguyen
28
contents/_includes/covers/nested-dropdowns.njk
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28
contents/_includes/covers/nested-dropdowns.njk
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@@ -0,0 +1,28 @@
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<ul class="nested-dropdowns">
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<li>A</li>
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<li>
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<div class="nested-dropdowns__item">
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B <div class="nested-dropdowns__arrow">{% triangle "b" %}</div>
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</div>
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<ul>
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<li>B.1</li>
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<li>B.2</li>
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<li>
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<div class="nested-dropdowns__item">
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B.3
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<div class="nested-dropdowns__arrow">{% triangle "r" %}</div>
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</div>
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<ul>
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<li>B.3.1</li>
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<li>B.3.2</li>
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<li>B.3.3</li>
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<li>B.3.4</li>
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</ul>
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</li>
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<li>B.4</li>
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<li>B.5</li>
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</ul>
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</li>
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<li>C</li>
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<li>D</li>
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</ul>
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@@ -133,6 +133,7 @@ eleventyExcludeFromCollections: true
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{% pattern "Full screen menu" %}{% include "covers/full-screen-menu.njk" %}{% endpattern %}
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{% pattern "Mega menu" %}{% include "covers/mega-menu.njk" %}{% endpattern %}
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{% pattern "Menu" %}{% include "covers/menu.njk" %}{% endpattern %}
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{% pattern "Nested dropdowns" %}{% include "covers/nested-dropdowns.njk" %}{% endpattern %}
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{% pattern "Pagination" %}{% include "covers/pagination.njk" %}{% endpattern %}
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{% pattern "Previous next buttons" %}{% include "covers/previous-next-buttons.njk" %}{% endpattern %}
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{% pattern "Split navigation" %}{% include "covers/split-navigation.njk" %}{% endpattern %}
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102
contents/nested-dropdowns.md
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102
contents/nested-dropdowns.md
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@@ -0,0 +1,102 @@
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---
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layout: layouts/post.njk
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title: Nested dropdowns
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description: Create nested dropdown menu with CSS
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keywords: css dropdown menu, css multi-level dropdown menu, css nested dropdown menu
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---
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## HTML
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```html
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<ul class="nested-dropdowns">
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<li>A</li>
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<li>
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<div class="nested-dropdowns__item">
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B <div class="nested-dropdowns__arrow">...</div>
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</div>
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<ul>
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<li>B.1</li>
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<li>B.2</li>
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<li>
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<div class="nested-dropdowns__item">
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B.3
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<div class="nested-dropdowns__arrow">...</div>
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</div>
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<ul>
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<li>B.3.1</li>
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<li>B.3.2</li>
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<li>B.3.3</li>
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<li>B.3.4</li>
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</ul>
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</li>
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<li>B.4</li>
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<li>B.5</li>
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</ul>
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</li>
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<li>C</li>
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<li>D</li>
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</ul>
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```
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## CSS
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```css
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.nested-dropdowns {
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/* Border */
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border: 1px solid #d1d5db;
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display: flex;
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/* Reset list styles */
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list-style-type: none;
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margin: 0;
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padding: 0;
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}
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.nested-dropdowns li {
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cursor: pointer;
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/* Spacing */
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padding: 0.25rem;
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/* Used to position the sub nested-dropdowns */
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position: relative;
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}
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/* The sub nested-dropdowns */
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.nested-dropdowns ul {
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/* Border */
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border: 1px solid #d1d5db;
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/* Hidden by default */
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display: none;
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/* Absolute position */
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left: 0;
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position: absolute;
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top: 100%;
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/* Reset styles */
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list-style-type: none;
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margin: 0;
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padding: 0;
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}
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/* The second level sub nested-dropdowns */
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.nested-dropdowns ul ul {
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left: 100%;
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position: absolute;
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top: 0;
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}
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/* Change background color of list item when being hovered */
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.nested-dropdowns li:hover {
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background-color: rgba(0, 0, 0, 0.1);
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}
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/* Show the direct sub nested-dropdowns when hovering the list item */
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.nested-dropdowns li:hover > ul {
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display: block;
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}
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```
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{% demo %}{% include "covers/nested-dropdowns.njk" %}{% enddemo %}
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@@ -1,149 +0,0 @@
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import * as React from 'react';
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import Head from 'next/head';
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import { Spacer } from '@1milligram/design';
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import { RelatedPatterns } from '../../components/RelatedPatterns';
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import { Pattern } from '../../constants/Pattern';
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import { PatternLayout } from '../../layouts/PatternLayout';
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import BrowserFrame from '../../placeholders/BrowserFrame';
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const Details: React.FC<{}> = () => {
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return (
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<PatternLayout pattern={Pattern.NestedDropdowns}>
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<Head>
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<meta name="description" content="Create nested dropdown menu with CSS" />
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<meta name="og:description" content="Create nested dropdown menu with CSS" />
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<meta name="twitter:description" content="Create nested dropdown menu with CSS" />
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<meta
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name="keywords"
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content="css dropdown menu, css multi-level dropdown menu, css nested dropdown menu"
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/>
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</Head>
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<div style={{ lineHeight: 1.5, marginBottom: '16px' }}>
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Hover on the Patterns → Navigation to see the sub dropdowns.
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</div>
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<BrowserFrame
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html={`
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<ul class="dropdown">
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<li>Home</li>
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<li>
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<div>Patterns</div>
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<!-- First level sub dropdown -->
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<ul>
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<li>Layout</li>
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<li>Input</li>
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<li>
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<div>Navigation</div>
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<!-- Second level sub dropdown -->
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<ul>
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<li>Breadcrumb</li>
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<li>Dropdown</li>
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<li>Menu</li>
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<li>Nested dropdown</li>
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</ul>
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</li>
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<li>Display</li>
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<li>Feedback</li>
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</ul>
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</li>
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<li>Products</li>
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<li>About</li>
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</ul>
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`}
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css={`
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.dropdown {
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/* Border */
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border: 1px solid #d1d5db;
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display: flex;
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/* Reset list styles */
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list-style-type: none;
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margin: 0;
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padding: 0;
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}
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.dropdown li {
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/* Spacing */
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padding: 8px;
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/* Used to position the sub dropdown */
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position: relative;
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}
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/* The sub dropdown */
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.dropdown ul {
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/* Border */
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border: 1px solid #d1d5db;
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/* Hidden by default */
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display: none;
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/* Absolute position */
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left: 0;
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position: absolute;
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top: 100%;
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/* Reset styles */
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list-style-type: none;
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margin: 0;
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padding: 0;
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/* Width */
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width: 200px;
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}
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/* The second level sub dropdown */
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.dropdown ul ul {
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left: 100%;
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position: absolute;
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top: 0;
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}
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/* Change background color of list item when being hovered */
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.dropdown li:hover {
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background-color: rgba(0, 0, 0, 0.1);
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}
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/* Show the direct sub dropdown when hovering the list item */
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.dropdown li:hover > ul {
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display: block;
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}
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`}
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>
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<div
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style={{
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padding: '8px',
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}}
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>
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<ul className="p-nested-dropdowns">
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<li>Home</li>
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<li>
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<div>Patterns</div>
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<ul>
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<li>Layout</li>
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<li>Input</li>
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<li>
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<div>Navigation</div>
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<ul>
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<li>Breadcrumb</li>
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<li>Dropdown</li>
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<li>Menu</li>
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<li>Nested dropdown</li>
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</ul>
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</li>
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<li>Display</li>
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<li>Feedback</li>
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</ul>
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</li>
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<li>Products</li>
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<li>About</li>
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</ul>
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</div>
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</BrowserFrame>
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<Spacer size="extraLarge" />
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<RelatedPatterns patterns={[Pattern.Dropdown, Pattern.Menu]} />
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</PatternLayout>
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);
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};
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export default Details;
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@@ -1,84 +0,0 @@
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import * as React from 'react';
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import Circle from '../../placeholders/Circle';
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import Frame from '../../placeholders/Frame';
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import Line from '../../placeholders/Line';
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const Cover: React.FC<{}> = () => {
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return (
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<Frame>
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<div
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style={{
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alignItems: 'center',
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display: 'flex',
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flexDirection: 'column',
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height: '100%',
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justifyContent: 'center',
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padding: '8px',
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}}
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>
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<div
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style={{
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alignItems: 'center',
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border: '1px solid #d1d5db',
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display: 'flex',
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justifyContent: 'center',
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}}
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>
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<div
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style={{
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flex: 1,
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padding: '4px 8px',
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}}
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>
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<Circle size={8} />
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</div>
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<div
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style={{
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backgroundColor: 'rgba(0, 0, 0, 0.1)',
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flex: 1,
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padding: '4px 8px',
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position: 'relative',
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}}
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>
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<Circle size={8} />
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<div
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style={{
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border: '1px solid #d1d5db',
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borderTopColor: 'transparent',
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left: 0,
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padding: '4px',
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position: 'absolute',
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top: '100%',
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width: '100%',
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}}
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>
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<div style={{ marginBottom: '4px' }}>
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<Line />
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</div>
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<div style={{ marginBottom: '4px', width: '60%' }}>
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<Line />
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</div>
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<div style={{ marginBottom: '4px' }}>
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<Line />
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</div>
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<div style={{ width: '80%' }}>
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<Line />
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</div>
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</div>
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</div>
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<div
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style={{
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flex: 1,
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padding: '4px 8px',
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}}
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>
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<Circle size={8} />
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</div>
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</div>
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</div>
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</Frame>
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);
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};
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export default Cover;
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@@ -60,6 +60,7 @@
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@import './patterns/mega-menu';
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@import './patterns/menu';
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@import './patterns/modal';
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@import './patterns/nested-dropdowns';
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@import './patterns/notification';
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@import './patterns/overlay-play-button';
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@import './patterns/pagination';
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65
styles/patterns/_nested-dropdowns.scss
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65
styles/patterns/_nested-dropdowns.scss
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@@ -0,0 +1,65 @@
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.nested-dropdowns {
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/* Border */
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border: 1px solid #d1d5db;
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display: flex;
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/* Reset list styles */
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list-style-type: none;
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margin: 0;
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padding: 0;
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}
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.nested-dropdowns li {
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cursor: pointer;
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/* Spacing */
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padding: 0.25rem;
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/* Used to position the sub nested-dropdowns */
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position: relative;
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}
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/* The sub nested-dropdowns */
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.nested-dropdowns ul {
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/* Border */
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border: 1px solid #d1d5db;
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/* Hidden by default */
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display: none;
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/* Absolute position */
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left: 0;
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position: absolute;
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top: 100%;
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/* Reset styles */
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list-style-type: none;
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margin: 0;
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padding: 0;
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}
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/* The second level sub nested-dropdowns */
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.nested-dropdowns ul ul {
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left: 100%;
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position: absolute;
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top: 0;
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}
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/* Change background color of list item when being hovered */
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.nested-dropdowns li:hover {
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background-color: rgba(0, 0, 0, 0.1);
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}
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/* Show the direct sub nested-dropdowns when hovering the list item */
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.nested-dropdowns li:hover > ul {
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display: block;
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}
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/* Demo */
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.nested-dropdowns__item {
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align-items: center;
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display: flex;
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}
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.nested-dropdowns__arrow {
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margin-left: 0.25rem;
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}
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