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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var React = _interopRequireWildcard(require("react"));
var _classnames = _interopRequireDefault(require("classnames"));
var _PickerMixin = _interopRequireDefault(require("./PickerMixin"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj["default"] = obj; return newObj; } }
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); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
;
var Picker =
/*#__PURE__*/
function (_React$Component) {
_inherits(Picker, _React$Component);
function Picker(props) {
var _this;
_classCallCheck(this, Picker);
_this = _possibleConstructorReturn(this, _getPrototypeOf(Picker).call(this, props));
_this.scrollHanders = function () {
var scrollY = -1;
var lastY = 0;
var startY = 0;
var scrollDisabled = false;
var isMoving = false;
var setTransform = function setTransform(nodeStyle, value) {
nodeStyle.transform = value;
nodeStyle.webkitTransform = value;
};
var setTransition = function setTransition(nodeStyle, value) {
nodeStyle.transition = value;
nodeStyle.webkitTransition = value;
};
var scrollTo = function scrollTo(_x, y) {
var time = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : .3;
if (scrollY !== y) {
scrollY = y;
if (time && !_this.props.noAnimate) {
setTransition(_this.contentRef.style, "cubic-bezier(0,0,0.2,1.15) ".concat(time, "s"));
}
setTransform(_this.contentRef.style, "translate3d(0,".concat(-y, "px,0)"));
setTimeout(function () {
_this.scrollingComplete();
if (_this.contentRef) {
setTransition(_this.contentRef.style, '');
}
}, +time * 1000);
}
};
var Velocity = function () {
var minInterval = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 30;
var maxInterval = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100;
var _time = 0;
var _y = 0;
var _velocity = 0;
var recorder = {
record: function record(y) {
var now = +new Date();
_velocity = (y - _y) / (now - _time);
if (now - _time >= minInterval) {
_velocity = now - _time <= maxInterval ? _velocity : 0;
_y = y;
_time = now;
}
},
getVelocity: function getVelocity(y) {
if (y !== _y) {
recorder.record(y);
}
return _velocity;
}
};
return recorder;
}();
var onFinish = function onFinish() {
isMoving = false;
var targetY = scrollY;
var height = (_this.props.children.length - 1) * _this.itemHeight;
var time = .3;
var velocity = Velocity.getVelocity(targetY) * 4;
if (velocity) {
targetY = velocity * 40 + targetY;
time = Math.abs(velocity) * .1;
}
if (targetY % _this.itemHeight !== 0) {
targetY = Math.round(targetY / _this.itemHeight) * _this.itemHeight;
}
if (targetY < 0) {
targetY = 0;
} else if (targetY > height) {
targetY = height;
}
scrollTo(0, targetY, time < .3 ? .3 : time);
_this.onScrollChange();
};
var onStart = function onStart(y) {
if (scrollDisabled) {
return;
}
isMoving = true;
startY = y;
lastY = scrollY;
};
var onMove = function onMove(y) {
if (scrollDisabled || !isMoving) {
return;
}
scrollY = lastY - y + startY;
Velocity.record(scrollY);
_this.onScrollChange();
setTransform(_this.contentRef.style, "translate3d(0,".concat(-scrollY, "px,0)"));
};
return {
touchstart: function touchstart(evt) {
return onStart(evt.touches[0].pageY);
},
mousedown: function mousedown(evt) {
return onStart(evt.pageY);
},
touchmove: function touchmove(evt) {
evt.preventDefault();
onMove(evt.touches[0].pageY);
},
mousemove: function mousemove(evt) {
evt.preventDefault();
onMove(evt.pageY);
},
touchend: function touchend() {
return onFinish();
},
touchcancel: function touchcancel() {
return onFinish();
},
mouseup: function mouseup() {
return onFinish();
},
getValue: function getValue() {
return scrollY;
},
scrollTo: scrollTo,
setDisabled: function setDisabled() {
var disabled = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
scrollDisabled = disabled;
}
};
}();
_this.scrollTo = function (top) {
_this.scrollHanders.scrollTo(0, top);
};
_this.scrollToWithoutAnimation = function (top) {
_this.scrollHanders.scrollTo(0, top, 0);
};
_this.fireValueChange = function (selectedValue) {
if (selectedValue !== _this.state.selectedValue) {
if (!('selectedValue' in _this.props)) {
_this.setState({
selectedValue: selectedValue
});
}
if (_this.props.onValueChange) {
_this.props.onValueChange(selectedValue);
}
}
};
_this.onScrollChange = function () {
var top = _this.scrollHanders.getValue();
if (top >= 0) {
var children = React.Children.toArray(_this.props.children);
var index = _this.props.computeChildIndex(top, _this.itemHeight, children.length);
if (_this.scrollValue !== index) {
_this.scrollValue = index;
var child = children[index];
if (child && _this.props.onScrollChange) {
_this.props.onScrollChange(child.props.value);
} else if (!child && console.warn) {
console.warn('child not found', children, index);
}
}
}
};
_this.scrollingComplete = function () {
var top = _this.scrollHanders.getValue();
if (top >= 0) {
_this.props.doScrollingComplete(top, _this.itemHeight, _this.fireValueChange);
}
};
var selectedValueState;
var _this$props = _this.props,
selectedValue = _this$props.selectedValue,
defaultSelectedValue = _this$props.defaultSelectedValue;
if (selectedValue !== undefined) {
selectedValueState = selectedValue;
} else if (defaultSelectedValue !== undefined) {
selectedValueState = defaultSelectedValue;
} else {
var children = React.Children.toArray(_this.props.children);
selectedValueState = children && children[0] && children[0].props.value;
}
_this.state = {
selectedValue: selectedValueState
};
return _this;
}
_createClass(Picker, [{
key: "componentDidMount",
value: function componentDidMount() {
var _this2 = this;
var contentRef = this.contentRef,
indicatorRef = this.indicatorRef,
maskRef = this.maskRef,
rootRef = this.rootRef;
var rootHeight = rootRef.getBoundingClientRect().height; // https://github.com/react-component/m-picker/issues/18
var itemHeight = this.itemHeight = indicatorRef.getBoundingClientRect().height;
var num = Math.floor(rootHeight / itemHeight);
if (num % 2 === 0) {
num--;
}
num--;
num /= 2;
contentRef.style.padding = "".concat(itemHeight * num, "px 0");
indicatorRef.style.top = "".concat(itemHeight * num, "px");
maskRef.style.backgroundSize = "100% ".concat(itemHeight * num, "px");
this.scrollHanders.setDisabled(this.props.disabled);
this.props.select(this.state.selectedValue, this.itemHeight, this.scrollTo);
var passiveSupported = this.passiveSupported();
var willPreventDefault = passiveSupported ? {
passive: false
} : false;
var willNotPreventDefault = passiveSupported ? {
passive: true
} : false;
Object.keys(this.scrollHanders).forEach(function (key) {
if (key.indexOf('touch') === 0 || key.indexOf('mouse') === 0) {
var pd = key.indexOf('move') >= 0 ? willPreventDefault : willNotPreventDefault;
rootRef.addEventListener(key, _this2.scrollHanders[key], pd);
}
});
}
}, {
key: "componentWillUnmount",
value: function componentWillUnmount() {
var _this3 = this;
Object.keys(this.scrollHanders).forEach(function (key) {
if (key.indexOf('touch') === 0 || key.indexOf('mouse') === 0) {
_this3.rootRef.removeEventListener(key, _this3.scrollHanders[key]);
}
});
}
}, {
key: "passiveSupported",
value: function passiveSupported() {
var passiveSupported = false;
try {
var options = Object.defineProperty({}, 'passive', {
get: function get() {
passiveSupported = true;
}
});
window.addEventListener('test', null, options);
} catch (err) {}
return passiveSupported;
}
}, {
key: "componentWillReceiveProps",
value: function componentWillReceiveProps(nextProps) {
var _this4 = this;
if ('selectedValue' in nextProps) {
if (this.state.selectedValue !== nextProps.selectedValue) {
this.setState({
selectedValue: nextProps.selectedValue
}, function () {
_this4.props.select(nextProps.selectedValue, _this4.itemHeight, nextProps.noAnimate ? _this4.scrollToWithoutAnimation : _this4.scrollTo);
});
}
}
this.scrollHanders.setDisabled(nextProps.disabled);
}
}, {
key: "shouldComponentUpdate",
value: function shouldComponentUpdate(nextProps, nextState) {
return this.state.selectedValue !== nextState.selectedValue || this.props.children !== nextProps.children;
}
}, {
key: "componentDidUpdate",
value: function componentDidUpdate() {
this.props.select(this.state.selectedValue, this.itemHeight, this.scrollToWithoutAnimation);
}
}, {
key: "getValue",
value: function getValue() {
if ('selectedValue' in this.props) {
return this.props.selectedValue;
}
var children = React.Children.toArray(this.props.children);
return children && children[0] && children[0].props.value;
}
}, {
key: "render",
value: function render() {
var _pickerCls,
_this5 = this;
var props = this.props;
var prefixCls = props.prefixCls,
itemStyle = props.itemStyle,
indicatorStyle = props.indicatorStyle,
_props$indicatorClass = props.indicatorClassName,
indicatorClassName = _props$indicatorClass === void 0 ? '' : _props$indicatorClass,
children = props.children;
var selectedValue = this.state.selectedValue;
var itemClassName = "".concat(prefixCls, "-item");
var selectedItemClassName = "".concat(itemClassName, " ").concat(prefixCls, "-item-selected");
var map = function map(item) {
var _item$props = item.props,
_item$props$className = _item$props.className,
className = _item$props$className === void 0 ? '' : _item$props$className,
style = _item$props.style,
value = _item$props.value;
return React.createElement("div", {
style: _extends({}, itemStyle, style),
className: "".concat(selectedValue === value ? selectedItemClassName : itemClassName, " ").concat(className),
key: value
}, item.children || item.props.children);
}; // compatibility for preact
var items = React.Children ? React.Children.map(children, map) : [].concat(children).map(map);
var pickerCls = (_pickerCls = {}, _defineProperty(_pickerCls, props.className, !!props.className), _defineProperty(_pickerCls, prefixCls, true), _pickerCls);
return React.createElement("div", {
className: (0, _classnames["default"])(pickerCls),
ref: function ref(el) {
return _this5.rootRef = el;
},
style: this.props.style
}, React.createElement("div", {
className: "".concat(prefixCls, "-mask"),
ref: function ref(el) {
return _this5.maskRef = el;
}
}), React.createElement("div", {
className: "".concat(prefixCls, "-indicator ").concat(indicatorClassName),
ref: function ref(el) {
return _this5.indicatorRef = el;
},
style: indicatorStyle
}), React.createElement("div", {
className: "".concat(prefixCls, "-content"),
ref: function ref(el) {
return _this5.contentRef = el;
}
}, items));
}
}]);
return Picker;
}(React.Component);
Picker.defaultProps = {
prefixCls: 'rmc-picker'
};
var _default = (0, _PickerMixin["default"])(Picker);
exports["default"] = _default;