@uiw/react-drag-event-interactive
Version:
react drag event interactive
102 lines (100 loc) • 4.72 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault")["default"];
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard")["default"];
Object.defineProperty(exports, "__esModule", {
value: true
});
var _exportNames = {};
exports["default"] = void 0;
var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));
var _react = _interopRequireWildcard(require("react"));
var _utils = require("./utils");
Object.keys(_utils).forEach(function (key) {
if (key === "default" || key === "__esModule") return;
if (Object.prototype.hasOwnProperty.call(_exportNames, key)) return;
if (key in exports && exports[key] === _utils[key]) return;
Object.defineProperty(exports, key, {
enumerable: true,
get: function get() {
return _utils[key];
}
});
});
var _jsxRuntime = require("react/jsx-runtime");
var _excluded = ["prefixCls", "className", "onMove", "onDown"];
var Interactive = /*#__PURE__*/_react["default"].forwardRef(function (props, ref) {
var _props$prefixCls = props.prefixCls,
prefixCls = _props$prefixCls === void 0 ? 'w-color-interactive' : _props$prefixCls,
className = props.className,
onMove = props.onMove,
onDown = props.onDown,
reset = (0, _objectWithoutProperties2["default"])(props, _excluded);
var container = (0, _react.useRef)(null);
var hasTouched = (0, _react.useRef)(false);
var _useState = (0, _react.useState)(false),
_useState2 = (0, _slicedToArray2["default"])(_useState, 2),
isDragging = _useState2[0],
setDragging = _useState2[1];
var onMoveCallback = (0, _utils.useEventCallback)(onMove);
var onKeyCallback = (0, _utils.useEventCallback)(onDown);
// Prevent mobile browsers from handling mouse events (conflicting with touch ones).
// If we detected a touch interaction before, we prefer reacting to touch events only.
var isValid = function isValid(event) {
if (hasTouched.current && !(0, _utils.isTouch)(event)) return false;
hasTouched.current = (0, _utils.isTouch)(event);
return true;
};
var handleMove = (0, _react.useCallback)(function (event) {
(0, _utils.preventDefaultMove)(event);
if (!container.current) return;
var isDown = (0, _utils.isTouch)(event) ? event.touches.length > 0 : event.buttons > 0;
if (!isDown) {
setDragging(false);
return;
}
onMoveCallback === null || onMoveCallback === void 0 || onMoveCallback((0, _utils.getRelativePosition)(container.current, event), event);
}, [onMoveCallback]);
var handleMoveEnd = (0, _react.useCallback)(function () {
return setDragging(false);
}, []);
var toggleDocumentEvents = (0, _react.useCallback)(function (state) {
if (state) {
window.addEventListener(hasTouched.current ? 'touchmove' : 'mousemove', handleMove);
window.addEventListener(hasTouched.current ? 'touchend' : 'mouseup', handleMoveEnd);
} else {
window.removeEventListener('mousemove', handleMove);
window.removeEventListener('mouseup', handleMoveEnd);
window.removeEventListener('touchmove', handleMove);
window.removeEventListener('touchend', handleMoveEnd);
}
}, [handleMove, handleMoveEnd]);
(0, _react.useEffect)(function () {
toggleDocumentEvents(isDragging);
return function () {
toggleDocumentEvents(false);
};
}, [isDragging, handleMove, handleMoveEnd, toggleDocumentEvents]);
var handleMoveStart = (0, _react.useCallback)(function (event) {
var activeEl = document.activeElement;
activeEl === null || activeEl === void 0 || activeEl.blur();
(0, _utils.preventDefaultMove)(event.nativeEvent);
if (!isValid(event.nativeEvent)) return;
if (!container.current) return;
onKeyCallback === null || onKeyCallback === void 0 || onKeyCallback((0, _utils.getRelativePosition)(container.current, event.nativeEvent), event.nativeEvent);
setDragging(true);
}, [onKeyCallback]);
return /*#__PURE__*/(0, _jsxRuntime.jsx)("div", (0, _objectSpread2["default"])((0, _objectSpread2["default"])({}, reset), {}, {
className: [prefixCls, className || ''].filter(Boolean).join(' '),
style: (0, _objectSpread2["default"])((0, _objectSpread2["default"])({}, reset.style), {}, {
touchAction: 'none'
}),
ref: container,
tabIndex: 0,
onMouseDown: handleMoveStart,
onTouchStart: handleMoveStart
}));
});
Interactive.displayName = 'Interactive';
var _default = exports["default"] = Interactive;