SCSSでカテゴリカラーにアクセスする

サポート
1

Hi there,

this is my first try at creating a custom theme, so please be understanding.

I’m trying to customize the category list page, so it should look like this:

image

The idea is to remove the left border and to add “pills”.
SCSS for adding pills is quite easy:

.category-list tbody .category {
    border-left: none;
    position: relative;
    padding-left: 50px;

    &::after {
        content: "";
        width: 20px;
        height: 80%;
        position: absolute;
        background-color: red;
        border-radius: 20px;
        top: 50%;
        transform: translateY(-50%);
        left: 10px;
    }
}

but I’m unable to access the category color that is available here: discourse/index.html.erb at 1472e47aae5bfdfb6fd9abfe89beb186c751f514 · discourse/discourse · GitHub
image

is there an easy way to access that color from CSS?

「いいね！」 3
2

At the moment there’s not an easy way to do this.

What we could do is move these colors to CSS custom properties instead of setting them inline, which would make the colors easily accessible in any CSS/SCSS. I don’t know when we’ll be able to get to that, but I’ll keep it on my list of to-dos.

「いいね！」 7
3

That would be awesome :slight_smile:
BTW is there any other way to achieve the view I want?
I’ve read that I can override templates for specific parts of Discourse, which template file I must override and how should I do that in my custom theme?

「いいね！」 1
4

My current workaround is to override components/parent-category-row template.
I’m adding extra div element like this:

{{#unless noCategoryStyle}}
<div class="pill" style="background-color:#{{category.color}}"></div>
{{/unless}}

image
image1153×653 49 KB

I’d like to avoid overriding templates because they might change in the future.

@awesomerobot a build-in way to access category color would be awesome :slight_smile:

「いいね！」 2
5

@tjot、

::after疑似要素の境界線を使用して、目的の効果を得るCSSハックが可能です。

.category-list tbody .category {
    border-left: none;
    position: relative;
    padding-left: 50px;

    > h3:first-child {
        border-width: 0;
        border-style: solid;
        border-color: inherit;

        &::after {
            content: "";
            width: 0px;
            height: 70%;
            position: absolute;
            border-radius: 20px;
            border-width: 10px;
            border-style: solid;
            border-color: inherit;
            top: 50%;
            transform: translateY(-50%);
            left: 10px;
        }
    }
}

image
image1080×738 130 KB

スタイルは、インラインスタイルが適用されたtdの直接の子であるタイトルのh3要素に直接適用しました。そのため、テンプレートから削除された場合はCSSを調整する必要があります。

ただし、希望どおりcomponents/parent-category-rowの上書きをスキップできます。

「いいね！」 3