acud/lib/input-number/src/StepHandler.js

acg react 组件库

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = StepHandler;
var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var React = _interopRequireWildcard(require("react"));
var _classnames = _interopRequireDefault(require("classnames"));
var _isMobile = _interopRequireDefault(require("rc-util/lib/isMobile"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, "default": e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
/**
 * When click and hold on a button - the speed of auto changing the value.
 */
var STEP_INTERVAL = 200;
/**
 * When click and hold on a button - the delay before auto changing the value.
 */
var STEP_DELAY = 600;
function StepHandler(_ref) {
  var prefixCls = _ref.prefixCls,
    upNode = _ref.upNode,
    downNode = _ref.downNode,
    upDisabled = _ref.upDisabled,
    downDisabled = _ref.downDisabled,
    symmetryMode = _ref.symmetryMode,
    onStep = _ref.onStep;
  // ======================== Step ========================
  var stepTimeoutRef = React.useRef();
  var onStepRef = React.useRef();
  onStepRef.current = onStep;
  // We will interval update step when hold mouse down
  var onStepMouseDown = function onStepMouseDown(e, up) {
    e.preventDefault();
    onStepRef.current(up);
    // Loop step for interval
    function loopStep() {
      onStepRef.current(up);
      stepTimeoutRef.current = setTimeout(loopStep, STEP_INTERVAL);
    }
    // First time press will wait some time to trigger loop step update
    stepTimeoutRef.current = setTimeout(loopStep, STEP_DELAY);
  };
  var onStopStep = function onStopStep() {
    clearTimeout(stepTimeoutRef.current);
  };
  React.useEffect(function () {
    return onStopStep;
  }, []);
  // ======================= Render =======================
  if ((0, _isMobile["default"])()) {
    return null;
  }
  var handlerClassName = "".concat(prefixCls, "-handler");
  var upClassName = (0, _classnames["default"])(handlerClassName, "".concat(handlerClassName, "-up"), (0, _defineProperty2["default"])({}, "".concat(handlerClassName, "-up-disabled"), upDisabled));
  var downClassName = (0, _classnames["default"])(handlerClassName, "".concat(handlerClassName, "-down"), (0, _defineProperty2["default"])({}, "".concat(handlerClassName, "-down-disabled"), downDisabled));
  var sharedHandlerProps = {
    unselectable: 'on',
    role: 'button',
    onMouseUp: onStopStep,
    onMouseLeave: onStopStep
  };
  var handlerContent = /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("span", (0, _extends2["default"])({}, sharedHandlerProps, {
    onMouseDown: function onMouseDown(e) {
      onStepMouseDown(e, true);
    },
    "aria-label": "Increase Value",
    "aria-disabled": upDisabled,
    className: upClassName
  }), upNode || /*#__PURE__*/React.createElement("span", {
    unselectable: "on",
    className: "".concat(prefixCls, "-handler-up-inner")
  })), /*#__PURE__*/React.createElement("span", (0, _extends2["default"])({}, sharedHandlerProps, {
    onMouseDown: function onMouseDown(e) {
      onStepMouseDown(e, false);
    },
    "aria-label": "Decrease Value",
    "aria-disabled": downDisabled,
    className: downClassName
  }), downNode || /*#__PURE__*/React.createElement("span", {
    unselectable: "on",
    className: "".concat(prefixCls, "-handler-down-inner")
  })));
  if (symmetryMode) {
    return handlerContent;
  }
  return /*#__PURE__*/React.createElement("div", {
    className: "".concat(handlerClassName, "-wrap")
  }, handlerContent);
}