Crafting a personalized arrow for sorting headers in Angular Material

Currently working on an Angular 5 project and I'm looking to implement a custom sort icon in the header. The goal is to achieve a similar effect to this example, without using the default arrow.

I attempted to modify the CSS styles, but it wasn't successful. Is there a way to replace the default icon with a custom one using JavaScript?

::ng-deep  {

    .cdk-visually-hidden {
        border: 0;
        clip: rect(0 0 0 0);
        height: 1px;
        margin: -1px;
        overflow: hidden;
        padding: 0;
        position: absolute;
        width: 1px;
    }

    .mat-sort-header-stem {
        background: none;
        display: none !important;
    }

    .mat-sort-header-container {
        position: relative;
    }
    .mat-sort-header-indicator {

      transform: translateY(0px) !important;
    }

    .mat-sort-header-arrow {
        position: absolute;
        right: 20px;
        transform: translateY(0%) !important;
    }


  } 

Any suggestions are greatly appreciated.

Edit.

If anyone else is facing this issue, I was able to resolve it by adding a custom directive to the mat-sort-header element. Additionally, I passed the sort direction (ASC or DESC) to the directive. Finally, based on the direction, I customized the sort icon using only CSS.

Answer №1

Check out this code snippet for creating a triangle shape using CSS:

.triangle {
    overflow: hidden;
    position: relative;
    margin: 2em auto;
    border-radius: 20%;
    transform: translateY(50%) rotate(30deg) skewY(30deg) scaleX(.866);
    width: 5em;
    height: 5em;
}

.triangle:before {
    border-radius: 20% 20% 20% 53%;
    transform: scaleX(1.155) skewY(-30deg) rotate(-30deg) translateY(-42.3%) skewX(30deg) scaleY(.866) translateX(-24%);
    position: absolute;
    background: #ccc;
    pointer-events: auto;
    content: '';
    width: 5em;
    height: 5em;
}

.triangle:after {
    border-radius: 20% 20% 53% 20%;
    transform: scaleX(1.155) skewY(-30deg) rotate(-30deg) translateY(-42.3%) skewX(-30deg) scaleY(.866) translateX(24%);
    position: absolute;
    background: #ccc;
    pointer-events: auto;
    content: '';
    width: 5em;
    height: 5em;
}
<div class="triangle"></div>

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