@sms-frontend/components/es/Slider/index.js

SMS Design React UI Library.

var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};
import React, { forwardRef, memo, useContext, useMemo, useRef } from 'react';
import { plus } from 'number-precision';
import SliderButton from './button';
import Marks from './marks';
import Dots from './dots';
import Input from './input';
import Ticks from './ticks';
import { isFunction, isObject } from '../_util/is';
import { formatPercent, getOffset } from './utils';
import cs from '../_util/classNames';
import { ConfigContext } from '../ConfigProvider';
import useMergeValue from '../_util/hooks/useMergeValue';
import { off, on } from '../_util/dom';
import useLegalValue from './hooks/useLegalValue';
import useMergeProps from '../_util/hooks/useMergeProps';
function isSameOrder(firstNums, secondNums) {
    var diff1 = firstNums[0] - firstNums[1];
    var diff2 = secondNums[0] - secondNums[1];
    return diff1 <= 0 === diff2 <= 0;
}
var defaultProps = {
    max: 100,
    min: 0,
    step: 1,
};
function Slider(baseProps, ref) {
    var _a, _b, _c;
    var _d = useContext(ConfigContext), getPrefixCls = _d.getPrefixCls, componentConfig = _d.componentConfig;
    var props = useMergeProps(baseProps, defaultProps, componentConfig === null || componentConfig === void 0 ? void 0 : componentConfig.Slider);
    var className = props.className, style = props.style, tooltipVisible = props.tooltipVisible, tooltipPosition = props.tooltipPosition, disabled = props.disabled, min = props.min, max = props.max, propRange = props.range, step = props.step, showTicks = props.showTicks, marks = props.marks, onlyMarkValue = props.onlyMarkValue, vertical = props.vertical, showInput = props.showInput, reverse = props.reverse;
    var range = !!propRange;
    var rangeConfig = isObject(propRange) ? __assign({}, propRange) : { draggableBar: false };
    var _e = useLegalValue({
        isRange: range,
        min: min,
        max: max,
        onlyMarkValue: onlyMarkValue,
        step: step,
        marks: marks,
    }), getLegalValue = _e.getLegalValue, getLegalRangeValue = _e.getLegalRangeValue, isLegalValue = _e.isLegalValue;
    // 受控与非受控值处理
    var _f = __read(useMergeValue(range ? [min, min] : min, {
        defaultValue: props.defaultValue,
        value: props.value,
    }), 2), value = _f[0], setValue = _f[1];
    // 计算合法值
    var curVal = getLegalRangeValue(value);
    var lastVal = useRef(curVal);
    var _g = __read(curVal, 2), beginVal = _g[0], endVal = _g[1];
    if (!isSameOrder(curVal, lastVal.current)) {
        // 保持顺序
        _a = __read([endVal, beginVal], 2), beginVal = _a[0], endVal = _a[1];
    }
    // 偏移比例
    var beginOffset = getOffset(beginVal, [min, max]);
    var endOffset = getOffset(endVal, [min, max]);
    // 标签数组
    var markList = useMemo(function () { return Object.keys(marks || {}).map(function (key) { return ({ key: key, content: marks[key] }); }); }, [marks]);
    // 是否显示输入框
    var isShowInput = showInput && !onlyMarkValue;
    // 样式前缀
    var prefixCls = getPrefixCls('slider');
    // ref
    var roadRef = useRef(null);
    var position = useRef({
        left: 0,
        height: 0,
        top: 0,
        width: 0,
    });
    var isDragging = useRef(false);
    var barStartDragVal = useRef(0);
    function getEmitParams(_a) {
        var _b;
        var _c = __read(_a, 2), beginVal = _c[0], endVal = _c[1];
        if (beginVal > endVal) {
            _b = __read([endVal, beginVal], 2), beginVal = _b[0], endVal = _b[1];
        }
        return range ? [beginVal, endVal] : endVal;
    }
    function updateValue(val) {
        var _a = __read(val, 2), newBeginVal = _a[0], newEndVal = _a[1];
        newBeginVal = getLegalValue(newBeginVal);
        newEndVal = getLegalValue(newEndVal);
        lastVal.current = [newBeginVal, newEndVal];
        var emitParams = getEmitParams([newBeginVal, newEndVal]);
        setValue(emitParams);
        return emitParams;
    }
    function onChange(val) {
        var emitParams = updateValue(val);
        if (isFunction(props.onChange)) {
            props.onChange(emitParams);
        }
    }
    function onMouseUp() {
        if (isFunction(props.onAfterChange)) {
            var emitParams = getEmitParams(lastVal.current);
            props.onAfterChange(emitParams);
        }
    }
    function inRange(val) {
        var _a;
        var _b = __read([beginVal, endVal], 2), range1 = _b[0], range2 = _b[1];
        if (range1 > range2) {
            _a = __read([range2, range1], 2), range1 = _a[0], range2 = _a[1];
        }
        if (range)
            return val >= range1 && val <= range2;
        return val <= range2;
    }
    // 通过坐标获取值
    function getValueByCoords(x, y) {
        var _a = position.current, left = _a.left, top = _a.top, width = _a.width, height = _a.height;
        var roadLength = width;
        var diff = reverse ? left + width - x : x - left;
        if (vertical) {
            roadLength = height;
            diff = reverse ? y - top : top + height - y;
        }
        diff = diff < 0 ? 0 : diff > roadLength ? roadLength : diff;
        var stepLen = (roadLength * step) / (max - min);
        var steps = Math.round(diff / stepLen);
        return plus(min, steps * step);
    }
    function getBarStyle(offsets) {
        var _a, _b, _c;
        var _d = __read(offsets, 2), begin = _d[0], end = _d[1];
        if (begin > end) {
            _a = __read([end, begin], 2), begin = _a[0], end = _a[1];
        }
        var beginOffset = formatPercent(begin);
        var endOffset = formatPercent(1 - end);
        return vertical
            ? (_b = {},
                _b[reverse ? 'top' : 'bottom'] = beginOffset,
                _b[reverse ? 'bottom' : 'top'] = endOffset,
                _b) : (_c = {},
            _c[reverse ? 'right' : 'left'] = beginOffset,
            _c[reverse ? 'left' : 'right'] = endOffset,
            _c);
    }
    function getBtnStyle(offset) {
        var _a, _b;
        return vertical
            ? (_a = {}, _a[reverse ? 'top' : 'bottom'] = formatPercent(offset), _a) : (_b = {}, _b[reverse ? 'right' : 'left'] = formatPercent(offset), _b);
    }
    function getTooltipProps() {
        var tooltipProps = {
            getTooltipContainer: props.getTooltipContainer,
            formatTooltip: props.formatTooltip,
        };
        if ('tooltipPosition' in props) {
            tooltipProps.tooltipPosition = tooltipPosition;
        }
        if ('tooltipVisible' in props) {
            tooltipProps.tooltipVisible = tooltipVisible;
        }
        return tooltipProps;
    }
    function getPosition() {
        position.current = roadRef.current.getBoundingClientRect();
    }
    function onRoadMouseDown(e) {
        getPosition();
        var val = getValueByCoords(e.clientX, e.clientY);
        if (rangeConfig.draggableBar && inRange(val)) {
            barStartDragVal.current = getLegalValue(val);
            on(window, 'mousemove', onBarMouseMove);
            on(window, 'mouseup', onBarMouseUp);
        }
        else {
            handleJumpClick(val);
        }
    }
    // 点击某个位置，快速跳转
    function handleJumpClick(val) {
        if (disabled)
            return;
        var value = getLegalValue(val);
        if (range && endVal - value > value - beginVal) {
            onChange([value, endVal]);
        }
        else {
            onChange([beginVal, value]);
        }
        onMouseUp();
    }
    function handleInputChange(val) {
        onChange(val);
        onMouseUp();
    }
    // 拖动开始节点
    function handleBeginMove(x, y) {
        isDragging.current = true;
        onChange([getValueByCoords(x, y), endVal]);
    }
    // 拖动结束节点
    function handleEndMove(x, y) {
        isDragging.current = true;
        onChange([beginVal, getValueByCoords(x, y)]);
    }
    function handleMoveEnd() {
        isDragging.current = false;
        onMouseUp();
    }
    // bar 移动中
    function onBarMouseMove(e) {
        var newVal = getLegalValue(getValueByCoords(e.clientX, e.clientY));
        var offsetVal = newVal - barStartDragVal.current;
        var newBeginVal = beginVal + offsetVal;
        var newEndVal = endVal + offsetVal;
        if (isLegalValue(newBeginVal) && isLegalValue(newEndVal)) {
            onChange([newBeginVal, newEndVal]);
        }
    }
    // bar 停止移动
    function onBarMouseUp() {
        off(window, 'mousemove', onBarMouseMove);
        off(window, 'mouseup', onBarMouseUp);
        onMouseUp();
    }
    return (React.createElement("div", { className: cs(prefixCls, (_b = {},
            _b[prefixCls + "-vertical"] = vertical,
            _b[prefixCls + "-with-marks"] = marks,
            _b[prefixCls + "-reverse"] = reverse,
            _b), className), style: style, ref: ref },
        React.createElement("div", { className: prefixCls + "-wrapper" },
            React.createElement("div", { ref: roadRef, className: cs(prefixCls + "-road", (_c = {},
                    _c[prefixCls + "-road-disabled"] = disabled,
                    _c[prefixCls + "-road-vertical"] = vertical,
                    _c)), onMouseDown: onRoadMouseDown },
                React.createElement("div", { className: prefixCls + "-bar", style: getBarStyle([beginOffset, endOffset]) }),
                showTicks && (React.createElement(Ticks, { step: step, min: min, max: max, value: [beginVal, endVal], prefixCls: prefixCls, vertical: vertical, reverse: reverse })),
                React.createElement(Dots, { data: markList, min: min, max: max, value: [beginVal, endVal], vertical: vertical, prefixCls: prefixCls, reverse: reverse, onMouseDown: handleJumpClick }),
                React.createElement(Marks, { data: markList, min: min, max: max, vertical: vertical, prefixCls: prefixCls, reverse: reverse, onMouseDown: handleJumpClick }),
                range && (React.createElement(SliderButton, __assign({ style: getBtnStyle(beginOffset), disabled: disabled, prefixCls: prefixCls, value: beginVal, vertical: vertical }, getTooltipProps(), { onMoveBegin: getPosition, onMoving: handleBeginMove, onMoveEnd: handleMoveEnd }))),
                React.createElement(SliderButton, __assign({ style: getBtnStyle(endOffset), disabled: disabled, prefixCls: prefixCls, value: endVal, vertical: vertical }, getTooltipProps(), { onMoveBegin: getPosition, onMoving: handleEndMove, onMoveEnd: handleMoveEnd }))),
            isShowInput && (React.createElement(Input, { min: min, max: max, step: step, value: [beginVal, endVal], range: range, disabled: disabled, prefixCls: prefixCls, onChange: handleInputChange })))));
}
var SliderComponent = forwardRef(Slider);
SliderComponent.displayName = 'Slider';
export default memo(SliderComponent);