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$ticks-height: 5px;
$ticks-thickness: 1px;
$max-ticks-allowed: 30;
$thumb-size: 20px;
$track-height: #{calc($thumb-size / 2)};
.slider {
// Define css variables
--ticks-count: calc(var(--max) - var(--min)) / var(--step);
--too-many-ticks: min(1, Max(var(--ticks-count) - #{$max-ticks-allowed}, 0));
--x-step: max(var(--step), var(--too-many-ticks) * (var(--max) - var(--min)));
// Define properties
position: relative;
// Draw the steps
background: linear-gradient(to right, var(--text-muted-color) $ticks-thickness, transparent 1px) repeat-x;
background-size: calc((100% - #{$thumb-size}) / ((var(--max) - var(--min)) / var(--x-step))) #{$ticks-height};
background-position-x: #{calc($track-height - $ticks-thickness / 2)};
background-position-y: bottom;
font-weight: 700;
color: var(--text-muted-color);
font-size: 0.8125rem;
height: 22px;
margin-top: 2.5ch;
margin-bottom: 2.5ch;
// mix/max texts
&::before,
&::after {
content: counter(x);
position: absolute;
bottom: calc(-2.5ch - 2px);
top: calc(2.5ch + 2px);
opacity: .5;
transform: translateX(calc(50% * var(--before, -1) * -1));
pointer-events: none;
}
&::before {
--before: 1;
counter-reset: x var(--min);
left: #{$track-height};
}
&::after {
counter-reset: x var(--max);
right: #{$track-height};
}
}
.outputContainer {
position: absolute;
top: 0;
left: #{$track-height};
right: #{$track-height};
height: #{$track-height};
pointer-events: none;
}
.output {
pointer-events: none;
position: absolute;
z-index: 5;
width: #{$thumb-size};
height: #{$thumb-size};
left: calc((((var(--value) - var(--min)) / (var(--max) - var(--min))) * 100%) - #{calc($thumb-size / 2)});
bottom: #{calc($thumb-size / 2 + 6px)};
text-align: center;
}
.progress {
--completed-a: calc((clamp(var(--min), var(--value, 0), var(--max)) - var(--min)) / (var(--max) - var(--min)) * 100);
--completed-b: calc((var(--value) - var(--min)) / (var(--max) - var(--min)) * 100);
--cb: max(var(--completed-a), var(--completed-b));
--start-end: #{$track-height};
--clip-end: calc(100% - (var(--cb)) * 1%);
--clip: inset(-20px var(--clip-end) -20px 0);
position: absolute;
width: 100%;
height: #{$track-height};
background: var(--text-color);
border-radius: #{$track-height};
z-index: -1;
// fill area
&::before {
content: "";
position: absolute;
left: 0;
right: 0;
clip-path: var(--clip);
top: 0;
bottom: 0;
background: var(--text-secondary);
z-index: 1;
border-radius: inherit;
}
}
.input {
--thumb-shadow: 0 0 3px rgba(0, 0, 0, 0.4), 0 0 1px rgba(0, 0, 0, 0.5) inset, 0 0 0 99px var(--text-color) inset;
-webkit-appearance: none;
width: 100%;
height: #{$thumb-size};
margin: 0;
position: absolute;
left: 0;
cursor: grab;
outline: none;
background: none;
@mixin thumb {
appearance: none;
height: #{$thumb-size};
width: #{$thumb-size};
transform: translateY(-5px);
border-radius: 50%;
background: var(--text-color);
box-shadow: var(--thumb-shadow);
border: none;
pointer-events: auto;
}
&::-webkit-slider-thumb {
@include thumb;
}
&::-moz-range-thumb {
@include thumb;
}
&::-ms-thumb {
@include thumb;
}
&:active {
--thumb-shadow: 0 0 0 #{calc($thumb-size / 4)} inset var(--text-color), 0 0 0 99px var(--text-secondary) inset, 0 0 3px rgba(0, 0, 0, 0.4);
cursor: grabbing;
}
} |