227 lines
9.2 KiB
JavaScript
227 lines
9.2 KiB
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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var _typeof = require("@babel/runtime/helpers/typeof");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
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var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
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var _rcUtil = require("rc-util");
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var React = _interopRequireWildcard(require("react"));
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var _context = require("../context");
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function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
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function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
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/** Drag to delete offset. It's a user experience number for dragging out */
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var REMOVE_DIST = 130;
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function getPosition(e) {
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var obj = 'touches' in e ? e.touches[0] : e;
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return {
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pageX: obj.pageX,
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pageY: obj.pageY
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};
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}
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function useDrag(containerRef, direction, rawValues, min, max, formatValue, triggerChange, finishChange, offsetValues, editable, minCount) {
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var _React$useState = React.useState(null),
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_React$useState2 = (0, _slicedToArray2.default)(_React$useState, 2),
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draggingValue = _React$useState2[0],
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setDraggingValue = _React$useState2[1];
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var _React$useState3 = React.useState(-1),
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_React$useState4 = (0, _slicedToArray2.default)(_React$useState3, 2),
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draggingIndex = _React$useState4[0],
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setDraggingIndex = _React$useState4[1];
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var _React$useState5 = React.useState(false),
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_React$useState6 = (0, _slicedToArray2.default)(_React$useState5, 2),
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draggingDelete = _React$useState6[0],
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setDraggingDelete = _React$useState6[1];
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var _React$useState7 = React.useState(rawValues),
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_React$useState8 = (0, _slicedToArray2.default)(_React$useState7, 2),
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cacheValues = _React$useState8[0],
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setCacheValues = _React$useState8[1];
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var _React$useState9 = React.useState(rawValues),
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_React$useState10 = (0, _slicedToArray2.default)(_React$useState9, 2),
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originValues = _React$useState10[0],
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setOriginValues = _React$useState10[1];
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var mouseMoveEventRef = React.useRef(null);
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var mouseUpEventRef = React.useRef(null);
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var _React$useContext = React.useContext(_context.UnstableContext),
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onDragStart = _React$useContext.onDragStart,
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onDragChange = _React$useContext.onDragChange;
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React.useLayoutEffect(function () {
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if (draggingIndex === -1) {
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setCacheValues(rawValues);
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}
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}, [rawValues, draggingIndex]);
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// Clean up event
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React.useEffect(function () {
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return function () {
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document.removeEventListener('mousemove', mouseMoveEventRef.current);
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document.removeEventListener('mouseup', mouseUpEventRef.current);
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document.removeEventListener('touchmove', mouseMoveEventRef.current);
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document.removeEventListener('touchend', mouseUpEventRef.current);
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};
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}, []);
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var flushValues = function flushValues(nextValues, nextValue, deleteMark) {
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// Perf: Only update state when value changed
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if (nextValue !== undefined) {
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setDraggingValue(nextValue);
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}
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setCacheValues(nextValues);
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var changeValues = nextValues;
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if (deleteMark) {
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changeValues = nextValues.filter(function (_, i) {
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return i !== draggingIndex;
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});
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}
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triggerChange(changeValues);
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if (onDragChange) {
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onDragChange({
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rawValues: nextValues,
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deleteIndex: deleteMark ? draggingIndex : -1,
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draggingIndex: draggingIndex,
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draggingValue: nextValue
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});
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}
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};
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var updateCacheValue = (0, _rcUtil.useEvent)(function (valueIndex, offsetPercent, deleteMark) {
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if (valueIndex === -1) {
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// >>>> Dragging on the track
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var startValue = originValues[0];
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var endValue = originValues[originValues.length - 1];
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var maxStartOffset = min - startValue;
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var maxEndOffset = max - endValue;
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// Get valid offset
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var offset = offsetPercent * (max - min);
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offset = Math.max(offset, maxStartOffset);
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offset = Math.min(offset, maxEndOffset);
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// Use first value to revert back of valid offset (like steps marks)
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var formatStartValue = formatValue(startValue + offset);
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offset = formatStartValue - startValue;
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var cloneCacheValues = originValues.map(function (val) {
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return val + offset;
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});
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flushValues(cloneCacheValues);
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} else {
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// >>>> Dragging on the handle
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var offsetDist = (max - min) * offsetPercent;
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// Always start with the valueIndex origin value
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var cloneValues = (0, _toConsumableArray2.default)(cacheValues);
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cloneValues[valueIndex] = originValues[valueIndex];
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var next = offsetValues(cloneValues, offsetDist, valueIndex, 'dist');
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flushValues(next.values, next.value, deleteMark);
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}
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});
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var onStartMove = function onStartMove(e, valueIndex, startValues) {
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e.stopPropagation();
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// 如果是点击 track 触发的，需要传入变化后的初始值，而不能直接用 rawValues
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var initialValues = startValues || rawValues;
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var originValue = initialValues[valueIndex];
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setDraggingIndex(valueIndex);
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setDraggingValue(originValue);
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setOriginValues(initialValues);
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setCacheValues(initialValues);
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setDraggingDelete(false);
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var _getPosition = getPosition(e),
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startX = _getPosition.pageX,
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startY = _getPosition.pageY;
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// We declare it here since closure can't get outer latest value
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var deleteMark = false;
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// Internal trigger event
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if (onDragStart) {
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onDragStart({
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rawValues: initialValues,
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draggingIndex: valueIndex,
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draggingValue: originValue
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});
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}
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// Moving
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var onMouseMove = function onMouseMove(event) {
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event.preventDefault();
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var _getPosition2 = getPosition(event),
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moveX = _getPosition2.pageX,
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moveY = _getPosition2.pageY;
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var offsetX = moveX - startX;
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var offsetY = moveY - startY;
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var _containerRef$current = containerRef.current.getBoundingClientRect(),
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width = _containerRef$current.width,
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height = _containerRef$current.height;
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var offSetPercent;
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var removeDist;
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switch (direction) {
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case 'btt':
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offSetPercent = -offsetY / height;
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removeDist = offsetX;
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break;
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case 'ttb':
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offSetPercent = offsetY / height;
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removeDist = offsetX;
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break;
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case 'rtl':
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offSetPercent = -offsetX / width;
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removeDist = offsetY;
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break;
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default:
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offSetPercent = offsetX / width;
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removeDist = offsetY;
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}
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// Check if need mark remove
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deleteMark = editable ? Math.abs(removeDist) > REMOVE_DIST && minCount < cacheValues.length : false;
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setDraggingDelete(deleteMark);
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updateCacheValue(valueIndex, offSetPercent, deleteMark);
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};
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// End
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var onMouseUp = function onMouseUp(event) {
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event.preventDefault();
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document.removeEventListener('mouseup', onMouseUp);
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document.removeEventListener('mousemove', onMouseMove);
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document.removeEventListener('touchend', onMouseUp);
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document.removeEventListener('touchmove', onMouseMove);
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mouseMoveEventRef.current = null;
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mouseUpEventRef.current = null;
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finishChange(deleteMark);
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setDraggingIndex(-1);
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setDraggingDelete(false);
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};
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document.addEventListener('mouseup', onMouseUp);
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document.addEventListener('mousemove', onMouseMove);
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document.addEventListener('touchend', onMouseUp);
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document.addEventListener('touchmove', onMouseMove);
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mouseMoveEventRef.current = onMouseMove;
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mouseUpEventRef.current = onMouseUp;
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};
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// Only return cache value when it mapping with rawValues
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var returnValues = React.useMemo(function () {
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var sourceValues = (0, _toConsumableArray2.default)(rawValues).sort(function (a, b) {
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return a - b;
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});
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var targetValues = (0, _toConsumableArray2.default)(cacheValues).sort(function (a, b) {
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return a - b;
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});
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var counts = {};
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targetValues.forEach(function (val) {
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counts[val] = (counts[val] || 0) + 1;
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});
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sourceValues.forEach(function (val) {
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counts[val] = (counts[val] || 0) - 1;
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});
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var maxDiffCount = editable ? 1 : 0;
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var diffCount = Object.values(counts).reduce(function (prev, next) {
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return prev + Math.abs(next);
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}, 0);
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return diffCount <= maxDiffCount ? cacheValues : rawValues;
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}, [rawValues, cacheValues, editable]);
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return [draggingIndex, draggingValue, draggingDelete, returnValues, onStartMove];
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}
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var _default = exports.default = useDrag; |