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Improve flex list item padding (#26779) 

Replace #26761

It's better to keep children elements simple, and let parent containers
layout the necessary padding/margin.

The old `not(:last-child)` and `.flex-item + .flex-item` are not easy to
maintain (for example, what if the developer would like to use a "tiny
height" item?)

The old approach also makes some UI look strange because the first item
doesn't have proper padding-top.

In this PR, we just simply use `.flex-item { padding: ... }`:

* Developers could manually set the item height they want easily
* It's easier to make it work with various containers -- with padding
(`ui segment`) and without padding (`div`)

And added more samples/examples.


![image](https://github.com/go-gitea/gitea/assets/2114189/719ea712-0241-4426-b67f-5723993c4ed7)

Co-authored-by: Giteabot <teabot@gitea.io>
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wxiaoguang 2023-08-30 07:13:30 +08:00 committed by GitHub
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commit 1a9998ce91
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2 changed files with 30 additions and 8 deletions
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23
templates/devtest/flex-list.tmpl
View File

@ -1,8 +1,8 @@
{{template "base/head" .}}
<link rel="stylesheet" href="{{AssetUrlPrefix}}/css/devtest.css?v={{AssetVersion}}">
<div class="page-content devtest ui container">
<div>
<h1>Flex List</h1>
<div class="page-content devtest">
<div class="ui container">
<h1 class="gt-border-secondary-bottom">Flex List (standalone)</h1>
<div class="flex-list">
<div class="flex-item">
<div class="flex-item-leading">
@ -84,6 +84,23 @@
</div>
</div>
</div>
<div class="divider gt-my-0"></div>
<h1>Flex List (with "ui segment")</h1>
<div class="ui attached segment">
<div class="flex-list">
<div class="flex-item">item 1</div>
<div class="flex-item">item 2</div>
</div>
</div>
<div class="ui attached segment">
<h1>Flex List (with "ui segment")</h1>
<div class="flex-list">
<div class="flex-item">item 1</div>
<div class="flex-item">item 2</div>
</div>
</div>
</div>
</div>
{{template "base/footer" .}}

15
web_src/css/shared/flex-list.css
View File

@ -6,10 +6,7 @@
display: flex;
gap: 8px;
align-items: flex-start;
}
.flex-item:not(:last-child) {
padding-bottom: 8px;
padding: 1em 0;
}
.flex-item-baseline {
@ -92,5 +89,13 @@
.flex-list > .flex-item + .flex-item {
border-top: 1px solid var(--color-secondary);
padding-top: 8px;
}
/* Fomantic UI segment has default "padding: 1em", so here it removes the padding-top and padding-bottom accordingly */
.ui.segment > .flex-list:first-child > .flex-item:first-child {
padding-top: 0;
}
.ui.segment > .flex-list:last-child > .flex-item:last-child {
padding-bottom: 0;
}