194 lines
7.8 KiB
Markdown
194 lines
7.8 KiB
Markdown
# Drawer >> Use Cases ||20
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```js script
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import { html } from '@mdjs/mdjs-preview';
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import { icons } from '@lion/ui/icon.js';
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import '@lion/ui/define/lion-drawer.js';
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import '@lion/ui/define/lion-icon.js';
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import { demoStyle } from './src/demoStyle.js';
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icons.addIconResolver('lion', (iconset, name) => {
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switch (iconset) {
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case 'misc':
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return import('../icon/assets/iconset-misc.js').then(module => module[name]);
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default:
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throw new Error(`Unknown iconset ${iconset}`);
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}
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});
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```
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## Positioning
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### Default left
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By default, the drawer is positioned on the left side of the viewport.
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With the `position` property it can be positioned at the top or on the right of the screen.
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### Top
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```js preview-story
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export const top = () => html`
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<style>
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${demoStyle}
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</style>
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<div class="demo-container-top">
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<lion-drawer position="top">
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<button slot="invoker">
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<lion-icon icon-id="lion:misc:arrowLeft" style="width: 16px; height: 16px;"></lion-icon>
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</button>
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<p slot="headline">Headline</p>
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<div slot="content" class="drawer">Hello! This is the content of the drawer</div>
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</lion-drawer>
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<div>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum convallis, lorem sit amet
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sollicitudin egestas, dui lectus sodales leo, quis luctus nulla metus vitae lacus. In at
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imperdiet augue. Mauris mauris dolor, faucibus non nulla vel, vulputate hendrerit mauris.
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Praesent dapibus leo nec libero scelerisque, ac venenatis ante tincidunt. Nulla maximus
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vestibulum orci, ac viverra nisi molestie vel. Vivamus eget elit et turpis elementum tempor
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ultricies at turpis. Ut pretium aliquet finibus. Duis ullamcorper ultrices velit id luctus.
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Phasellus in ex luctus, interdum ex vel, eleifend dolor. Cras massa odio, sodales quis
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consectetur a, blandit eu purus. Donec ut gravida libero, sed accumsan arcu.
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</div>
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</div>
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`;
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```
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### Right
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```js preview-story
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export const right = () => html`
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<style>
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${demoStyle}
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</style>
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<div class="demo-container-right">
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<lion-drawer position="right">
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<button slot="invoker">
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<lion-icon icon-id="lion:misc:arrowLeft" style="width: 16px; height: 16px;"></lion-icon>
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</button>
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<p slot="headline">Headline</p>
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<div slot="content" class="drawer">Hello! This is the content of the drawer</div>
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</lion-drawer>
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<div>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum convallis, lorem sit amet
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sollicitudin egestas, dui lectus sodales leo, quis luctus nulla metus vitae lacus. In at
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imperdiet augue. Mauris mauris dolor, faucibus non nulla vel, vulputate hendrerit mauris.
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Praesent dapibus leo nec libero scelerisque, ac venenatis ante tincidunt. Nulla maximus
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vestibulum orci, ac viverra nisi molestie vel. Vivamus eget elit et turpis elementum tempor
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ultricies at turpis. Ut pretium aliquet finibus. Duis ullamcorper ultrices velit id luctus.
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Phasellus in ex luctus, interdum ex vel, eleifend dolor. Cras massa odio, sodales quis
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consectetur a, blandit eu purus. Donec ut gravida libero, sed accumsan arcu.
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</div>
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</div>
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`;
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```
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## Opened
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Add the `opened` attribute to display the drawer opened.
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```js preview-story
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export const opened = () => html`
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<style>
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${demoStyle}
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</style>
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<div class="demo-container">
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<lion-drawer opened>
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<p slot="headline">Headline</p>
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<div slot="content" class="drawer">Hello! This is the content of the drawer</div>
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</lion-drawer>
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<div>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum convallis, lorem sit amet
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sollicitudin egestas, dui lectus sodales leo, quis luctus nulla metus vitae lacus. In at
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imperdiet augue. Mauris mauris dolor, faucibus non nulla vel, vulputate hendrerit mauris.
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Praesent dapibus leo nec libero scelerisque, ac venenatis ante tincidunt. Nulla maximus
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vestibulum orci, ac viverra nisi molestie vel. Vivamus eget elit et turpis elementum tempor
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ultricies at turpis. Ut pretium aliquet finibus. Duis ullamcorper ultrices velit id luctus.
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Phasellus in ex luctus, interdum ex vel, eleifend dolor. Cras massa odio, sodales quis
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consectetur a, blandit eu purus. Donec ut gravida libero, sed accumsan arcu.
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</div>
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</div>
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`;
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```
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## Methods
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There are the following methods available to control the extra content for the drawer.
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- `toggle()`: toggle the extra content
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- `show()`: show the extra content
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- `hide()`: hide the extra content
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```js preview-story
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export const methods = ({ shadowRoot }) => html`
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<style>
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${demoStyle}
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</style>
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<section style="margin-top:16px">
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<button @click=${() => shadowRoot.querySelector('#drawer').toggle()}>Toggle content</button>
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<button @click=${() => shadowRoot.querySelector('#drawer').show()}>Show content</button>
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<button @click=${() => shadowRoot.querySelector('#drawer').hide()}>Hide content</button>
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</section>
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<div class="demo-container">
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<lion-drawer id="drawer">
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<button slot="invoker">
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<lion-icon icon-id="lion:misc:arrowLeft" style="width: 16px; height: 16px;"></lion-icon>
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</button>
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<p slot="headline">Headline</p>
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<div slot="content" class="drawer">Hello! This is the content of the drawer</div>
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</lion-drawer>
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<div>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum convallis, lorem sit amet
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sollicitudin egestas, dui lectus sodales leo, quis luctus nulla metus vitae lacus. In at
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imperdiet augue. Mauris mauris dolor, faucibus non nulla vel, vulputate hendrerit mauris.
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Praesent dapibus leo nec libero scelerisque, ac venenatis ante tincidunt. Nulla maximus
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vestibulum orci, ac viverra nisi molestie vel. Vivamus eget elit et turpis elementum tempor
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ultricies at turpis. Ut pretium aliquet finibus. Duis ullamcorper ultrices velit id luctus.
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Phasellus in ex luctus, interdum ex vel, eleifend dolor. Cras massa odio, sodales quis
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consectetur a, blandit eu purus. Donec ut gravida libero, sed accumsan arcu.
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</div>
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</div>
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`;
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```
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## Events
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`lion-drawer` fires an event on `invoker` click to notify the component's current state. It is useful for analytics purposes or to perform some actions while expanding and collapsing the component.
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- `@opened-changed`: triggers when drawer either gets opened or closed
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```js preview-story
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export const events = ({ shadowRoot }) => html`
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<style>
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${demoStyle}
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</style>
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<div class="demo-custom-collapsible-state-container">
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<strong id="collapsible-state"></strong>
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</div>
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<div class="demo-container">
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<lion-drawer
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@opened-changed=${ev => {
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const collapsibleState = shadowRoot.querySelector('#collapsible-state');
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collapsibleState.innerText = `Opened: ${ev.target.opened}`;
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}}
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>
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<button slot="invoker">
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<lion-icon icon-id="lion:misc:arrowLeft" style="width: 16px; height: 16px;"></lion-icon>
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</button>
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<p slot="headline">Headline</p>
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<div slot="content" class="drawer">Hello! This is the content of the drawer</div>
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</lion-drawer>
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<div>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum convallis, lorem sit amet
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sollicitudin egestas, dui lectus sodales leo, quis luctus nulla metus vitae lacus. In at
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imperdiet augue. Mauris mauris dolor, faucibus non nulla vel, vulputate hendrerit mauris.
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Praesent dapibus leo nec libero scelerisque, ac venenatis ante tincidunt. Nulla maximus
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vestibulum orci, ac viverra nisi molestie vel. Vivamus eget elit et turpis elementum tempor
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ultricies at turpis. Ut pretium aliquet finibus. Duis ullamcorper ultrices velit id luctus.
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Phasellus in ex luctus, interdum ex vel, eleifend dolor. Cras massa odio, sodales quis
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consectetur a, blandit eu purus. Donec ut gravida libero, sed accumsan arcu.
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</div>
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</div>
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`;
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```
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