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Improve usecases in selectlist explainer #918

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merged 3 commits into from Nov 10, 2023
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Improve usecases in selectlist explainer #918

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Improve usecases in selectlist explainer
josepharhar Oct 30, 2023
2bd16ef
go back to country flags
josepharhar Nov 6, 2023
99c0fb5
switch to optgroups
josepharhar Nov 6, 2023
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Binary file added site/public/images/selectlist-animation.gif
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Binary file modified site/public/images/selectlist-usecase-listbox.png
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1 change: 1 addition & 0 deletions site/src/layouts/ComponentLayout.astro
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Expand Up @@ -24,6 +24,7 @@ const { name, pathToProposal, pathToResearch } = frontmatter

:global(.code-image-container img) {
height: 100%;
object-fit: contain;
}

@media (max-width: 800px) {
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67 changes: 55 additions & 12 deletions site/src/pages/components/selectlist.mdx
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Expand Up @@ -77,15 +77,15 @@ This example adds "rich content" inside option elements in the form of country f
```html
<selectlist>
<option>
<img src="usa.jpg">
<img src="usa.jpg" alt="flag of USA">
USA
</option>
<option>
<img src="germany.jpg">
<img src="germany.jpg" alt="flag of Germany">
Germany
</option>
<option>
<img src="spain.jpg">
<img src="spain.jpg" alt="flag of Spain">
Spain
</option>
</selectlist>
Expand Down Expand Up @@ -165,18 +165,44 @@ This example has a `<listbox>` which enables it to put arbitrary content into th
```html
<selectlist>
<listbox>
<div>Heading</div>
<div>First two options:</div>
<option>one</option>
<option>two</option>
<div>Second two options:</div>
<option>three</option>
<option>four</option>
<div class=container>
<div>
<optgroup label="1-2">
<option>one</option>
<option>two</option>
</optgroup>
</div>
<div>
<optgroup label="3-4">
<option>three</option>
<option>four</option>
</optgroup>
</div>
<div>
<optgroup label="5-6">
<option>five</option>
<option>six</option>
</optgroup>
</div>
<div>
<optgroup label="7-8">
<option>seven</option>
<option>eight</option>
</optgroup>
</div>
</div>
</listbox>
</selectlist>
<style>
div {
font-weight: bold;
.container {
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display: grid;
grid-template-rows: auto auto;
grid-template-columns: 50px 50px;
grid-column-gap: 10px;
grid-row-gap: 10px;
}
.container > div {
background-color: lightgray;
}
</style>
```
Expand All @@ -189,6 +215,23 @@ div {
</div>
</div>

Here is another example with custom content in the listbox: [codepen](https://codepen.io/una/pen/PoXbgVW)

### Animations

<div className="code-image-container">
<div>
This example uses view transitions to animate the opening and closing of the listbox.
[Link to codepen](https://codepen.io/argyleink/pen/wvYrZEV/ab71f1b613db0487f64ff8c6919b0173)
</div>
<div>
<Image
src="/images/selectlist-animation.gif"
alt="A selectlist with a listbox that animates open and closed"
/>
</div>
</div>

## Testing out the selectlist element

`<selectlist>` is currently implemented behind a flag in [Chromium](https://chromestatus.com/feature/5737365999976448). To use it, enable the **Experimental Web Platform features** flag in about:flags.
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