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not working when gradient picker is in next page. #7

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253 changes: 129 additions & 124 deletions src/lib/components/ColorPicker/Area/Picking/index.jsx
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Original file line number Diff line number Diff line change
@@ -1,132 +1,137 @@
import React, {
useEffect, useCallback, useRef, useState,
} from 'react';
import React, { useEffect, useCallback, useRef, useState } from 'react';

import { changePicker, getRgbByHue } from 'lib/helpers';
import { useMouseEvents } from 'lib/hooks';

function Picking({
red,
green,
blue,
hue,
saturation,
value,
updateRgb,
}) {
const pickingAreaRef = useRef();
const [width, setWidth] = useState(0);
const [height, setHeight] = useState(0);

useEffect(() => {
if (pickingAreaRef.current) {
setWidth(pickingAreaRef.current.clientWidth);
setHeight(pickingAreaRef.current.clientHeight);
}
}, [pickingAreaRef, setWidth, setHeight]);

useEffect(() => {
const { red, green, blue } = getRgbByHue(hue);

pickingAreaRef.current.style.backgroundColor = `rgb(${red}, ${green}, ${blue})`;
}, [hue]);

// generate offsetLeft by saturation
const offsetLeft = ((saturation * width / 100) | 0) - 6;

// generate offsetTop by value
const offsetTop = (height - (value * height / 100) | 0) - 6;

const getPointerStyle = {
backgroundColor: `rgb(${red}, ${green}, ${blue})`,
left: `${offsetLeft}px`,
top: `${offsetTop}px`,
};

const mouseDownHandler = useCallback(event => {
const elementX = event.currentTarget.getBoundingClientRect().x;
const elementY = event.currentTarget.getBoundingClientRect().y;
const startX = event.pageX;
const startY = event.pageY;
const positionX = startX - elementX;
const positionY = startY - elementY;

const color = changePicker(positionX, positionY, height, width, hue);

updateRgb(color, 'onStartChange');
return {
startX,
startY,
positionX,
positionY,

};
}, [height, width, hue, updateRgb]);

const changeObjectPositions = useCallback((event, {
startX, startY, positionX, positionY,
}) => {
const moveX = event.pageX - startX;
const moveY = event.pageY - startY;
positionX += moveX;
positionY += moveY;

const color = changePicker(positionX, positionY, height, width, hue);

return {
positions: {
positionX,
positionY,
startX: event.pageX,
startY: event.pageY,
},
color,
};
}, [height, hue, width]);

const mouseMoveHandler = useCallback((event, {
startX, startY, positionX, positionY,
}) => {
const { positions, color } = changeObjectPositions(event, {
startX, startY, positionX, positionY,
});

updateRgb(color, 'onChange');

return positions;
}, [updateRgb, changeObjectPositions]);

const mouseUpHandler = useCallback((event, {
startX, startY, positionX, positionY,
}) => {
const { positions, color } = changeObjectPositions(event, {
startX, startY, positionX, positionY,
});

updateRgb(color, 'onEndChange');

return positions;
}, [updateRgb, changeObjectPositions]);

const mouseEvents = useMouseEvents(mouseDownHandler, mouseMoveHandler, mouseUpHandler);

const onMouseDown = event => {
mouseEvents(event);
};

return (
<div
className="picking-area"
ref={pickingAreaRef}
onMouseDown={onMouseDown}
>
<div className="picking-area-overlay1">
<div className="picking-area-overlay2">
<div className="picker-pointer" style={getPointerStyle} />
</div>
</div>
function Picking({ red, green, blue, hue, saturation, value, updateRgb }) {
const pickingAreaRef = useRef();
const [width, setWidth] = useState(0);
const [height, setHeight] = useState(0);

useEffect(() => {
if (pickingAreaRef.current) {
setWidth(pickingAreaRef.current.clientWidth);
setHeight(pickingAreaRef.current.clientHeight);
}
}, [pickingAreaRef, setWidth, setHeight]);

useEffect(() => {
const { red, green, blue } = getRgbByHue(hue);

pickingAreaRef.current.style.backgroundColor = `rgb(${red}, ${green}, ${blue})`;
}, [hue]);

// generate offsetLeft by saturation
const offsetLeft = (((saturation * width) / 100) | 0) - 6;

// generate offsetTop by value
const offsetTop = ((height - (value * height) / 100) | 0) - 6;

const getPointerStyle = {
backgroundColor: `rgb(${red}, ${green}, ${blue})`,
left: `${offsetLeft}px`,
top: `${offsetTop}px`,
};

const mouseDownHandler = useCallback(
(event) => {
const elementX = event.currentTarget.getBoundingClientRect().x;
const elementY = event.currentTarget.getBoundingClientRect().y;
const startX = event.clientX;
const startY = event.clientY;
const positionX = startX - elementX;
const positionY = startY - elementY;

const color = changePicker(positionX, positionY, height, width, hue);

updateRgb(color, 'onStartChange');
return {
startX,
startY,
positionX,
positionY,
};
},
[height, width, hue, updateRgb]
);

const changeObjectPositions = useCallback(
(event, { startX, startY, positionX, positionY }) => {
const moveX = event.clientX - startX;
const moveY = event.clientY - startY;
positionX += moveX;
positionY += moveY;

const color = changePicker(positionX, positionY, height, width, hue);

return {
positions: {
positionX,
positionY,
startX: event.clientX,
startY: event.clientY,
},
color,
};
},
[height, hue, width]
);

const mouseMoveHandler = useCallback(
(event, { startX, startY, positionX, positionY }) => {
const { positions, color } = changeObjectPositions(event, {
startX,
startY,
positionX,
positionY,
});

updateRgb(color, 'onChange');

return positions;
},
[updateRgb, changeObjectPositions]
);

const mouseUpHandler = useCallback(
(event, { startX, startY, positionX, positionY }) => {
const { positions, color } = changeObjectPositions(event, {
startX,
startY,
positionX,
positionY,
});

updateRgb(color, 'onEndChange');

return positions;
},
[updateRgb, changeObjectPositions]
);

const mouseEvents = useMouseEvents(
mouseDownHandler,
mouseMoveHandler,
mouseUpHandler
);

const onMouseDown = (event) => {
mouseEvents(event);
};

return (
<div
className="picking-area"
ref={pickingAreaRef}
onMouseDown={onMouseDown}
>
<div className="picking-area-overlay1">
<div className="picking-area-overlay2">
<div className="picker-pointer" style={getPointerStyle} />
</div>
);
</div>
</div>
);
}

export default Picking;