@elastic/eui
Version:
Elastic UI Component Library
191 lines (190 loc) • 9.42 kB
JavaScript
"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.EuiSaturation = void 0;
var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _classnames = _interopRequireDefault(require("classnames"));
var _services = require("../../services");
var _predicate = require("../../services/predicate");
var _i18n = require("../i18n");
var _utils = require("./utils");
var _react2 = require("@emotion/react");
var _excluded = ["className", "color", "data-test-subj", "hex", "id", "onChange"];
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { (0, _defineProperty2.default)(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
var EuiSaturation = /*#__PURE__*/(0, _react.forwardRef)(function (_ref, ref) {
var className = _ref.className,
_ref$color = _ref.color,
color = _ref$color === void 0 ? [1, 0, 0] : _ref$color,
_ref$dataTestSubj = _ref['data-test-subj'],
dataTestSubj = _ref$dataTestSubj === void 0 ? 'euiSaturation' : _ref$dataTestSubj,
hex = _ref.hex,
id = _ref.id,
onChange = _ref.onChange,
rest = (0, _objectWithoutProperties2.default)(_ref, _excluded);
var _useEuiI18n = (0, _i18n.useEuiI18n)(['euiSaturation.ariaLabel', 'euiSaturation.screenReaderInstructions'], ['HSV color mode saturation and value 2-axis slider', "Arrow keys to navigate the square color gradient. Coordinates will be used to calculate HSV color mode 'saturation' and 'value' numbers, in the range of 0 to 1. Left and right to change the saturation. Up and down change the value."]),
_useEuiI18n2 = (0, _slicedToArray2.default)(_useEuiI18n, 2),
roleDescString = _useEuiI18n2[0],
instructionsString = _useEuiI18n2[1];
var _useState = (0, _react.useState)({
left: 0,
top: 0
}),
_useState2 = (0, _slicedToArray2.default)(_useState, 2),
indicator = _useState2[0],
setIndicator = _useState2[1];
var _useState3 = (0, _react.useState)([]),
_useState4 = (0, _slicedToArray2.default)(_useState3, 2),
lastColor = _useState4[0],
setLastColor = _useState4[1];
var boxRef = (0, _react.useRef)(null);
(0, _react.useEffect)(function () {
// Mimics `componentDidMount` and `componentDidUpdate`
var _color = (0, _slicedToArray2.default)(color, 3),
s = _color[1],
v = _color[2];
if (!(0, _predicate.isNil)(boxRef.current) && lastColor.join() !== color.join()) {
var _boxRef$current$getBo = boxRef.current.getBoundingClientRect(),
height = _boxRef$current$getBo.height,
width = _boxRef$current$getBo.width;
setIndicator({
left: s * width,
top: (1 - v) * height
});
}
}, [color, lastColor]);
var calculateColor = function calculateColor(_ref2) {
var top = _ref2.top,
height = _ref2.height,
left = _ref2.left,
width = _ref2.width;
var _color2 = (0, _slicedToArray2.default)(color, 1),
h = _color2[0];
var s = left / width;
var v = 1 - top / height;
return [h, s, v];
};
var handleUpdate = function handleUpdate(box) {
var left = box.left,
top = box.top;
setIndicator({
left: left,
top: top
});
var newColor = calculateColor(box);
setLastColor(newColor);
onChange(newColor);
};
var handleChange = function handleChange(location) {
if ((0, _predicate.isNil)(boxRef === null || boxRef === void 0 ? void 0 : boxRef.current)) return;
var box = (0, _utils.getEventPosition)(location, boxRef.current);
handleUpdate(box);
};
var _useMouseMove = (0, _services.useMouseMove)(handleChange, boxRef.current),
_useMouseMove2 = (0, _slicedToArray2.default)(_useMouseMove, 2),
handleMouseDown = _useMouseMove2[0],
handleInteraction = _useMouseMove2[1];
var handleKeyDown = function handleKeyDown(event) {
if ((0, _predicate.isNil)(boxRef === null || boxRef === void 0 ? void 0 : boxRef.current)) return;
var _boxRef$current$getBo2 = boxRef.current.getBoundingClientRect(),
height = _boxRef$current$getBo2.height,
width = _boxRef$current$getBo2.width;
var left = indicator.left,
top = indicator.top;
var heightScale = height / 100;
var widthScale = width / 100;
var newLeft = left;
var newTop = top;
switch (event.key) {
case _services.keys.ARROW_DOWN:
event.preventDefault();
newTop = top < height ? top + heightScale : height;
break;
case _services.keys.ARROW_LEFT:
event.preventDefault();
newLeft = left > 0 ? left - widthScale : 0;
break;
case _services.keys.ARROW_UP:
event.preventDefault();
newTop = top > 0 ? top - heightScale : 0;
break;
case _services.keys.ARROW_RIGHT:
event.preventDefault();
newLeft = left < width ? left + widthScale : width;
break;
default:
return;
}
var newPosition = {
left: newLeft,
top: newTop
};
setIndicator(newPosition);
var newColor = calculateColor(_objectSpread({
width: width,
height: height
}, newPosition));
onChange(newColor);
};
var classes = (0, _classnames.default)('euiSaturation', className);
var instructionsId = "".concat(id, "-instructions");
return (0, _react2.jsx)("div", (0, _extends2.default)({
onMouseDown: handleMouseDown,
onTouchStart: handleInteraction,
onTouchMove: handleInteraction,
onKeyDown: handleKeyDown,
ref: ref,
className: classes,
"data-test-subj": dataTestSubj,
style: {
background: "hsl(".concat(color[0], ", 100%, 50%)")
},
tabIndex: -1
}, rest), (0, _react2.jsx)("div", {
className: "euiSaturation__lightness",
ref: boxRef
}, (0, _react2.jsx)("div", {
className: "euiSaturation__saturation"
})), (0, _react2.jsx)("button", {
id: "".concat(id, "-saturationIndicator"),
className: "euiSaturation__indicator",
style: _objectSpread({}, indicator),
"aria-roledescription": roleDescString,
"aria-label": hex,
"aria-describedby": instructionsId
}), (0, _react2.jsx)("span", {
hidden: true,
"aria-live": "assertive"
}, hex), (0, _react2.jsx)("span", {
hidden: true,
id: instructionsId
}, instructionsString));
});
exports.EuiSaturation = EuiSaturation;
EuiSaturation.propTypes = {
className: _propTypes.default.string,
"aria-label": _propTypes.default.string,
"data-test-subj": _propTypes.default.string,
css: _propTypes.default.any,
color: _propTypes.default.any,
onChange: _propTypes.default.func.isRequired,
hex: _propTypes.default.string
};
EuiSaturation.displayName = 'EuiSaturation';