react-cnhf
Version:
Long press event for react. Click and hold wrapper component.
159 lines (130 loc) • 6.73 kB
JavaScript
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _react = require('react');
var _react2 = _interopRequireDefault(_react);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var ClickNHold = function (_Component) {
_inherits(ClickNHold, _Component);
function ClickNHold(props) {
_classCallCheck(this, ClickNHold);
var _this = _possibleConstructorReturn(this, (ClickNHold.__proto__ || Object.getPrototypeOf(ClickNHold)).call(this, props));
_this.state = {
holding: false,
start: 0,
ended: 'begin',
clickEvent: null
};
_this._timer = null;
_this._unmounted = false;
_this.start = _this.start.bind(_this);
_this.end = _this.end.bind(_this);
_this.timeout = _this.timeout.bind(_this);
_this.clickCapture = _this.clickCapture.bind(_this);
return _this;
}
_createClass(ClickNHold, [{
key: 'componentWillUnmount',
value: function componentWillUnmount() {
this._unmounted = true;
clearTimeout(this._timer);
this._timer = null;
}
/* componentDidUpdate(nextState) {
if (this.state.holding !== nextState.holding) {
if (this.state.holding === false && this.state.ended === false) {
document.documentElement.addEventListener('mouseup', this.end);
}
}
}*/
/*Start callback*/
}, {
key: 'start',
value: function start(e) {
var ended = this.state.ended;
var start = Date.now();
var eCopy = Object.assign({}, e);
eCopy.type = "ClickNHold";
this.setState({ start: start, holding: true, ended: false, clickEvent: eCopy, isEnough: false });
var rightNumber = this.props.time && this.props.time > 0;
var time = rightNumber ? this.props.time : 2;
if (!rightNumber) {
console.warn("You have specified an unvalid time prop for ClickNHold. You need to specify a number > 0. Default time is 2.");
}
if (ended) {
this._timer = setTimeout(function () {
this.timeout(start);
}.bind(this), time * 1000 + 1);
}
if (this.props.onStart) {
this.props.onStart(e);
}
document.documentElement.addEventListener('mouseup', this.end);
}
/*End callback*/
}, {
key: 'end',
value: function end(e) {
document.documentElement.removeEventListener('mouseup', this.end);
if (this.state.ended || this._unmounted) {
return false;
}
var endTime = Date.now(); //End time
var minDiff = this.props.time * 1000; // In seconds
var startTime = this.state.start; // Start time
var diff = endTime - startTime; // Time difference
var isEnough = diff >= minDiff; // It has been held for enough time
this.setState({ holding: false, ended: true, clickEvent: null, isEnough: isEnough });
if (this.props.onEnd) {
this.props.onEnd(e, isEnough);
}
}
}, {
key: 'clickCapture',
value: function clickCapture(e) {
if (this.state.isEnough) e.stopPropagation();
}
/*Timeout callback*/
}, {
key: 'timeout',
value: function timeout(start) {
if (!this.state.ended && start === this.state.start) {
if (this.props.onClickNHold) {
this.props.onClickNHold(start, this.state.clickEvent);
this.setState({ holding: false });
return;
}
}
}
}, {
key: 'render',
value: function render() {
var _this2 = this;
var classList = this.props.className ? this.props.className + ' ' : ' ';
classList += this.state.holding ? 'cnh_holding ' : '';
classList += this.state.ended ? 'cnh_ended ' : '';
return _react2.default.createElement(
'div',
{ style: this.props.style,
className: classList,
onMouseDown: this.start,
onTouchStart: this.start,
onMouseUp: this.end,
onClickCapture: this.clickCapture,
onTouchCancel: this.end,
onTouchEnd: this.end },
_typeof(this.props.children) === 'object' ? _react2.default.cloneElement(this.props.children, { ref: function ref(n) {
return _this2.node = n;
} }) : null
);
}
}]);
return ClickNHold;
}(_react.Component);
exports.default = ClickNHold;