reanimated-color-picker
Version:
A Pure JavaScript Color Picker for React Native
116 lines (114 loc) • 3.42 kB
JavaScript
import React, { useRef } from 'react';
import { useDerivedValue, useSharedValue } from 'react-native-reanimated';
import colorKit from '../../../colorKit/index';
import { clamp, ConditionalRendering } from '../../../utils';
import WidgetTextInput from './WidgetTextInput';
export default function HsvWidget({
onChange,
returnedResults,
hueValue,
saturationValue,
brightnessValue,
alphaValue,
inputStyle,
inputTitleStyle,
inputProps,
disableAlphaChannel,
}) {
const hsv = useRef(colorKit.HSV(returnedResults().hsva).object(false));
const h = useSharedValue(hsv.current.h.toString());
const s = useSharedValue(hsv.current.s.toString());
const v = useSharedValue(hsv.current.v.toString());
const a = useSharedValue(hsv.current.a.toString());
useDerivedValue(() => {
[hueValue, saturationValue, brightnessValue, alphaValue]; // track changes on Native
hsv.current = colorKit.runOnUI().HSV(returnedResults().hsva).object(false);
h.value = hsv.current.h.toString();
s.value = hsv.current.s.toString();
v.value = hsv.current.v.toString();
a.value = hsv.current.a.toString();
}, [hueValue, saturationValue, brightnessValue, alphaValue, h, s, v, a]); // track changes on WEB
const onHueEndEditing = text => {
const hue = clamp(+text, 360);
h.value = ''; // force update in case the value of `h` didn't change
onChange({
h: hue,
s: +s.value,
v: +v.value,
a: +a.value,
});
};
const onSaturationEndEditing = text => {
const saturation = clamp(+text, 100);
s.value = ''; // force update in case the value of `s` didn't change
onChange({
h: +h.value,
s: saturation,
v: +v.value,
a: +a.value,
});
};
const onValueEndEditing = text => {
const value = clamp(+text, 100);
v.value = ''; // force update in case the value of `v` didn't change
onChange({
h: +h.value,
s: +s.value,
v: value,
a: +a.value,
});
};
const onAlphaEndEditing = text => {
const alpha = clamp(+text, 1);
a.value = ''; // force update in case the value of `a` didn't change
onChange({
h: +h.value,
s: +s.value,
v: +v.value,
a: alpha,
});
};
return /*#__PURE__*/ React.createElement(
React.Fragment,
null,
/*#__PURE__*/ React.createElement(WidgetTextInput, {
inputStyle: inputStyle,
textStyle: inputTitleStyle,
textValue: h,
title: 'H',
onEndEditing: onHueEndEditing,
inputProps: inputProps,
}),
/*#__PURE__*/ React.createElement(WidgetTextInput, {
inputStyle: inputStyle,
textStyle: inputTitleStyle,
textValue: s,
title: 'S',
onEndEditing: onSaturationEndEditing,
inputProps: inputProps,
}),
/*#__PURE__*/ React.createElement(WidgetTextInput, {
inputStyle: inputStyle,
textStyle: inputTitleStyle,
textValue: v,
title: 'V',
onEndEditing: onValueEndEditing,
inputProps: inputProps,
}),
/*#__PURE__*/ React.createElement(
ConditionalRendering,
{
if: !disableAlphaChannel,
},
/*#__PURE__*/ React.createElement(WidgetTextInput, {
inputStyle: inputStyle,
textStyle: inputTitleStyle,
textValue: a,
title: 'A',
onEndEditing: onAlphaEndEditing,
inputProps: inputProps,
decimal: true,
}),
),
);
}