ant-design-vue/es/vc-slider/src/common/createSlider.js

An enterprise-class UI design language and Vue-based implementation

import { createVNode as _createVNode } from "vue";

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

var __rest = this && this.__rest || function (s, e) {
  var t = {};

  for (var p in s) {
    if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p];
  }

  if (s != null && typeof Object.getOwnPropertySymbols === "function") for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
    if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) t[p[i]] = s[p[i]];
  }
  return t;
};

import { defineComponent } from 'vue';
import classNames from '../../../_util/classNames';
import PropTypes from '../../../_util/vue-types';
import addEventListener from '../../../vc-util/Dom/addEventListener';
import warning from '../../../_util/warning';
import { initDefaultProps, getSlot } from '../../../_util/props-util';
import Steps from './Steps';
import Marks from './Marks';
import Handle from '../Handle';
import * as utils from '../utils';
import BaseMixin from '../../../_util/BaseMixin';

function noop() {}

export default function createSlider(Component) {
  // const displayName = `ComponentEnhancer(${Component.displayName})`
  var propTypes = {
    min: PropTypes.number,
    max: PropTypes.number,
    step: PropTypes.number,
    marks: PropTypes.object,
    included: PropTypes.looseBool,
    prefixCls: PropTypes.string,
    disabled: PropTypes.looseBool,
    handle: PropTypes.func,
    dots: PropTypes.looseBool,
    vertical: PropTypes.looseBool,
    reverse: PropTypes.looseBool,
    minimumTrackStyle: PropTypes.object,
    maximumTrackStyle: PropTypes.object,
    handleStyle: PropTypes.oneOfType([PropTypes.object, PropTypes.arrayOf(PropTypes.object)]),
    trackStyle: PropTypes.oneOfType([PropTypes.object, PropTypes.arrayOf(PropTypes.object)]),
    railStyle: PropTypes.object,
    dotStyle: PropTypes.object,
    activeDotStyle: PropTypes.object,
    autofocus: PropTypes.looseBool
  };
  return defineComponent({
    name: 'CreateSlider',
    mixins: [BaseMixin, Component],
    inheritAttrs: false,
    // model: {
    //   prop: 'value',
    //   event: 'change',
    // },
    props: initDefaultProps(propTypes, {
      prefixCls: 'rc-slider',
      min: 0,
      max: 100,
      step: 1,
      marks: {},
      included: true,
      disabled: false,
      dots: false,
      vertical: false,
      reverse: false,
      trackStyle: [{}],
      handleStyle: [{}],
      railStyle: {},
      dotStyle: {},
      activeDotStyle: {}
    }),
    data: function data() {
      var step = this.step,
          max = this.max,
          min = this.min;
      var isPointDiffEven = isFinite(max - min) ? (max - min) % step === 0 : true; // eslint-disable-line

      warning(step && Math.floor(step) === step ? isPointDiffEven : true, 'Slider', 'Slider[max] - Slider[min] (%s) should be a multiple of Slider[step] (%s)', max - min, step);
      this.handlesRefs = {};
      return {};
    },
    mounted: function mounted() {
      var _this = this;

      this.$nextTick(function () {
        // Snapshot testing cannot handle refs, so be sure to null-check this.
        _this.document = _this.sliderRef && _this.sliderRef.ownerDocument; // this.setHandleRefs()

        var autofocus = _this.autofocus,
            disabled = _this.disabled;

        if (autofocus && !disabled) {
          _this.focus();
        }
      });
    },
    beforeUnmount: function beforeUnmount() {
      var _this2 = this;

      this.$nextTick(function () {
        // if (super.componentWillUnmount) super.componentWillUnmount()
        _this2.removeDocumentEvents();
      });
    },
    methods: {
      defaultHandle: function defaultHandle(_a) {
        var index = _a.index,
            directives = _a.directives,
            className = _a.className,
            style = _a.style,
            restProps = __rest(_a, ["index", "directives", "className", "style"]);

        delete restProps.dragging;

        if (restProps.value === null) {
          return null;
        }

        var handleProps = _extends(_extends({}, restProps), {
          class: className,
          style: style,
          key: index
        });

        return _createVNode(Handle, handleProps, null);
      },
      onMouseDown: function onMouseDown(e) {
        if (e.button !== 0) {
          return;
        }

        var isVertical = this.vertical;
        var position = utils.getMousePosition(isVertical, e);

        if (!utils.isEventFromHandle(e, this.handlesRefs)) {
          this.dragOffset = 0;
        } else {
          var handlePosition = utils.getHandleCenterPosition(isVertical, e.target);
          this.dragOffset = position - handlePosition;
          position = handlePosition;
        }

        this.removeDocumentEvents();
        this.onStart(position);
        this.addDocumentMouseEvents();
        utils.pauseEvent(e);
      },
      onTouchStart: function onTouchStart(e) {
        if (utils.isNotTouchEvent(e)) return;
        var isVertical = this.vertical;
        var position = utils.getTouchPosition(isVertical, e);

        if (!utils.isEventFromHandle(e, this.handlesRefs)) {
          this.dragOffset = 0;
        } else {
          var handlePosition = utils.getHandleCenterPosition(isVertical, e.target);
          this.dragOffset = position - handlePosition;
          position = handlePosition;
        }

        this.onStart(position);
        this.addDocumentTouchEvents();
        utils.pauseEvent(e);
      },
      onFocus: function onFocus(e) {
        var vertical = this.vertical;

        if (utils.isEventFromHandle(e, this.handlesRefs)) {
          var handlePosition = utils.getHandleCenterPosition(vertical, e.target);
          this.dragOffset = 0;
          this.onStart(handlePosition);
          utils.pauseEvent(e);

          this.__emit('focus', e);
        }
      },
      onBlur: function onBlur(e) {
        this.onEnd();

        this.__emit('blur', e);
      },
      onMouseUp: function onMouseUp() {
        if (this.handlesRefs[this.prevMovedHandleIndex]) {
          this.handlesRefs[this.prevMovedHandleIndex].clickFocus();
        }
      },
      onMouseMove: function onMouseMove(e) {
        if (!this.sliderRef) {
          this.onEnd();
          return;
        }

        var position = utils.getMousePosition(this.vertical, e);
        this.onMove(e, position - this.dragOffset);
      },
      onTouchMove: function onTouchMove(e) {
        if (utils.isNotTouchEvent(e) || !this.sliderRef) {
          this.onEnd();
          return;
        }

        var position = utils.getTouchPosition(this.vertical, e);
        this.onMove(e, position - this.dragOffset);
      },
      onKeyDown: function onKeyDown(e) {
        if (this.sliderRef && utils.isEventFromHandle(e, this.handlesRefs)) {
          this.onKeyboard(e);
        }
      },
      onClickMarkLabel: function onClickMarkLabel(e, value) {
        var _this3 = this;

        e.stopPropagation();
        this.onChange({
          sValue: value
        });
        this.setState({
          sValue: value
        }, function () {
          return _this3.onEnd(true);
        });
      },
      getSliderStart: function getSliderStart() {
        var slider = this.sliderRef;
        var vertical = this.vertical,
            reverse = this.reverse;
        var rect = slider.getBoundingClientRect();

        if (vertical) {
          return reverse ? rect.bottom : rect.top;
        }

        return window.pageXOffset + (reverse ? rect.right : rect.left);
      },
      getSliderLength: function getSliderLength() {
        var slider = this.sliderRef;

        if (!slider) {
          return 0;
        }

        var coords = slider.getBoundingClientRect();
        return this.vertical ? coords.height : coords.width;
      },
      addDocumentTouchEvents: function addDocumentTouchEvents() {
        // just work for Chrome iOS Safari and Android Browser
        this.onTouchMoveListener = addEventListener(this.document, 'touchmove', this.onTouchMove);
        this.onTouchUpListener = addEventListener(this.document, 'touchend', this.onEnd);
      },
      addDocumentMouseEvents: function addDocumentMouseEvents() {
        this.onMouseMoveListener = addEventListener(this.document, 'mousemove', this.onMouseMove);
        this.onMouseUpListener = addEventListener(this.document, 'mouseup', this.onEnd);
      },
      removeDocumentEvents: function removeDocumentEvents() {
        /* eslint-disable no-unused-expressions */
        this.onTouchMoveListener && this.onTouchMoveListener.remove();
        this.onTouchUpListener && this.onTouchUpListener.remove();
        this.onMouseMoveListener && this.onMouseMoveListener.remove();
        this.onMouseUpListener && this.onMouseUpListener.remove();
        /* eslint-enable no-unused-expressions */
      },
      focus: function focus() {
        if (!this.disabled) {
          this.handlesRefs[0].focus();
        }
      },
      blur: function blur() {
        var _this4 = this;

        if (!this.disabled) {
          Object.keys(this.handlesRefs).forEach(function (key) {
            if (_this4.handlesRefs[key] && _this4.handlesRefs[key].blur) {
              _this4.handlesRefs[key].blur();
            }
          });
        }
      },
      calcValue: function calcValue(offset) {
        var vertical = this.vertical,
            min = this.min,
            max = this.max;
        var ratio = Math.abs(Math.max(offset, 0) / this.getSliderLength());
        var value = vertical ? (1 - ratio) * (max - min) + min : ratio * (max - min) + min;
        return value;
      },
      calcValueByPos: function calcValueByPos(position) {
        var sign = this.reverse ? -1 : +1;
        var pixelOffset = sign * (position - this.getSliderStart());
        var nextValue = this.trimAlignValue(this.calcValue(pixelOffset));
        return nextValue;
      },
      calcOffset: function calcOffset(value) {
        var min = this.min,
            max = this.max;
        var ratio = (value - min) / (max - min);
        return ratio * 100;
      },
      saveSlider: function saveSlider(slider) {
        this.sliderRef = slider;
      },
      saveHandle: function saveHandle(index, handle) {
        this.handlesRefs[index] = handle;
      }
    },
    render: function render() {
      var _classNames;

      var prefixCls = this.prefixCls,
          marks = this.marks,
          dots = this.dots,
          step = this.step,
          included = this.included,
          disabled = this.disabled,
          vertical = this.vertical,
          reverse = this.reverse,
          min = this.min,
          max = this.max,
          maximumTrackStyle = this.maximumTrackStyle,
          railStyle = this.railStyle,
          dotStyle = this.dotStyle,
          activeDotStyle = this.activeDotStyle;
      var _this$$attrs = this.$attrs,
          className = _this$$attrs.class,
          style = _this$$attrs.style,
          id = _this$$attrs.id;

      var _this$renderSlider = this.renderSlider(),
          tracks = _this$renderSlider.tracks,
          handles = _this$renderSlider.handles;

      var sliderClassName = classNames(prefixCls, className, (_classNames = {}, _defineProperty(_classNames, "".concat(prefixCls, "-with-marks"), Object.keys(marks).length), _defineProperty(_classNames, "".concat(prefixCls, "-disabled"), disabled), _defineProperty(_classNames, "".concat(prefixCls, "-vertical"), vertical), _classNames));
      var markProps = {
        vertical: vertical,
        marks: marks,
        included: included,
        lowerBound: this.getLowerBound(),
        upperBound: this.getUpperBound(),
        max: max,
        min: min,
        reverse: reverse,
        class: "".concat(prefixCls, "-mark"),
        onClickLabel: disabled ? noop : this.onClickMarkLabel
      };
      return _createVNode("div", {
        "id": id,
        "ref": this.saveSlider,
        "tabindex": "-1",
        "class": sliderClassName,
        "onTouchstart": disabled ? noop : this.onTouchStart,
        "onMousedown": disabled ? noop : this.onMouseDown,
        "onMouseup": disabled ? noop : this.onMouseUp,
        "onKeydown": disabled ? noop : this.onKeyDown,
        "onFocus": disabled ? noop : this.onFocus,
        "onBlur": disabled ? noop : this.onBlur,
        "style": style
      }, [_createVNode("div", {
        "class": "".concat(prefixCls, "-rail"),
        "style": _extends(_extends({}, maximumTrackStyle), railStyle)
      }, null), tracks, _createVNode(Steps, {
        "prefixCls": prefixCls,
        "vertical": vertical,
        "reverse": reverse,
        "marks": marks,
        "dots": dots,
        "step": step,
        "included": included,
        "lowerBound": this.getLowerBound(),
        "upperBound": this.getUpperBound(),
        "max": max,
        "min": min,
        "dotStyle": dotStyle,
        "activeDotStyle": activeDotStyle
      }, null), handles, _createVNode(Marks, markProps, null), getSlot(this)]);
    }
  });
}