From 58972f0a119e4aa9fb11967c954ff7809e9e3cb2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bart=C5=82omiej=20G=C5=82ownia?= <bglownia@gmail.com>
Date: Wed, 17 Jan 2024 14:46:11 +0100
Subject: [PATCH] feat(ui-toolkit): add leverage slider component (#5594)

---
 .../slider/leverage-slider.stories.tsx        | 36 ++++++++++++
 .../src/components/slider/leverage-slider.tsx | 58 +++++++++++++++++++
 2 files changed, 94 insertions(+)
 create mode 100644 libs/ui-toolkit/src/components/slider/leverage-slider.stories.tsx
 create mode 100644 libs/ui-toolkit/src/components/slider/leverage-slider.tsx

diff --git a/libs/ui-toolkit/src/components/slider/leverage-slider.stories.tsx b/libs/ui-toolkit/src/components/slider/leverage-slider.stories.tsx
new file mode 100644
index 000000000..198658214
--- /dev/null
+++ b/libs/ui-toolkit/src/components/slider/leverage-slider.stories.tsx
@@ -0,0 +1,36 @@
+import type { Story, Meta } from '@storybook/react';
+import { LeverageSlider } from './leverage-slider';
+import { useState } from 'react';
+
+export default {
+  component: LeverageSlider,
+  title: 'LeverageSlider',
+} as Meta;
+
+const Template: Story = ({ value: val, min, max, ...args }) => {
+  const [value, setValue] = useState(val);
+
+  const onValueChange = (val: [number]) => {
+    setValue(val);
+  };
+
+  return (
+    <>
+      <LeverageSlider
+        onValueChange={onValueChange}
+        value={value}
+        max={max}
+        {...args}
+      />
+      <div className="mt-10">{value}</div>
+    </>
+  );
+};
+
+export const Default = Template.bind({});
+
+Default.args = {
+  max: 100,
+  step: 0.1,
+  value: [100],
+};
diff --git a/libs/ui-toolkit/src/components/slider/leverage-slider.tsx b/libs/ui-toolkit/src/components/slider/leverage-slider.tsx
new file mode 100644
index 000000000..91ec29747
--- /dev/null
+++ b/libs/ui-toolkit/src/components/slider/leverage-slider.tsx
@@ -0,0 +1,58 @@
+import * as SliderPrimitive from '@radix-ui/react-slider';
+import type { SliderProps } from '@radix-ui/react-slider';
+import classNames from 'classnames';
+
+export const LeverageSlider = (
+  props: Omit<SliderProps, 'min' | 'max'> & Required<Pick<SliderProps, 'max'>>
+) => {
+  const step = [2, 5, 10, 20, 25].find((step) => props.max / step <= 6);
+  const min = 1;
+  const value = props.value?.[0] || props.defaultValue?.[0];
+  return (
+    <SliderPrimitive.Root
+      {...props}
+      min={min}
+      className="relative flex items-center select-none touch-none h-10 pb-5 w-full"
+    >
+      <SliderPrimitive.Track className=" relative grow h-[4px]">
+        <span className="bg-vega-clight-500 dark:bg-vega-cdark-500 absolute left-2 right-2 top-0 bottom-0"></span>
+        <span className="block absolute top-[-2px] left-[8px] right-[8px]">
+          {step &&
+            new Array(Math.floor(props.max / step) + 1)
+              .fill(null)
+              .map((v, i) => {
+                const labelValue = step * i || 1;
+                const higherThanValue = value && labelValue > value;
+                return (
+                  <span
+                    className="absolute flex flex-col items-center translate-x-[-50%]"
+                    style={{
+                      left: `${
+                        ((labelValue - min) / (props.max - min)) * 100
+                      }%`,
+                    }}
+                  >
+                    <span
+                      className={classNames(
+                        'block w-[8px] h-[8px] border-[4px] rotate-45',
+                        {
+                          'border-black dark:border-white bg-white dark:bg-white':
+                            !higherThanValue,
+                          'border-vega-clight-500 dark:border-vega-cdark-500 bg-vega-clight-500 dark:bg-vega-cdark-500':
+                            higherThanValue,
+                        }
+                      )}
+                    ></span>
+                    <span className="text-sm mt-1">{labelValue}x</span>
+                  </span>
+                );
+              })}
+        </span>
+        <SliderPrimitive.Range className="absolute h-full">
+          <span className="absolute left-2 right-0 h-full bg-black dark:bg-white"></span>
+        </SliderPrimitive.Range>
+      </SliderPrimitive.Track>
+      <SliderPrimitive.Thumb className="block w-[16px] h-[16px] border-[3px] border-black dark:border-white bg-white dark:bg-black rotate-45 focus-visible:outline-0" />
+    </SliderPrimitive.Root>
+  );
+};