antd-mobile/es/steps/index.js

基于 React 的移动设计规范实现

import _classCallCheck from 'babel-runtime/helpers/classCallCheck';
import _createClass from 'babel-runtime/helpers/createClass';
import _possibleConstructorReturn from 'babel-runtime/helpers/possibleConstructorReturn';
import _inherits from 'babel-runtime/helpers/inherits';
/* tslint:disable:jsx-no-multiline-js */
import React from 'react';
import RNStepsItem from './StepsItem';
import { View } from 'react-native';
import StepStyle from './style';

var Steps = function (_React$Component) {
    _inherits(Steps, _React$Component);

    function Steps(props) {
        _classCallCheck(this, Steps);

        var _this = _possibleConstructorReturn(this, (Steps.__proto__ || Object.getPrototypeOf(Steps)).call(this, props));

        _this.onLayout = function (e) {
            _this.setState({
                wrapWidth: e.nativeEvent.layout.width
            });
        };
        _this.state = {
            wrapWidth: 0
        };
        return _this;
    }

    _createClass(Steps, [{
        key: 'render',
        value: function render() {
            var _this2 = this;

            var children = this.props.children;
            var wrapView = this.props.direction === 'vertical' ? '' : 'warp_row';
            var styles = this.props.styles;
            return React.createElement(
                View,
                { style: styles[wrapView], onLayout: function onLayout(e) {
                        _this2.onLayout(e);
                    } },
                React.Children.map(children, function (ele, idx) {
                    var errorTail = -1;
                    if (idx < children.length - 1) {
                        var status = children[idx + 1].props.status;
                        if (status === 'error') {
                            errorTail = idx;
                        }
                    }
                    return React.cloneElement(ele, {
                        index: idx,
                        last: idx === children.length - 1,
                        direction: _this2.props.direction,
                        current: _this2.props.current,
                        width: 1 / (children.length - 1) * _this2.state.wrapWidth,
                        size: _this2.props.size,
                        finishIcon: _this2.props.finishIcon,
                        errorTail: errorTail,
                        styles: styles
                    });
                })
            );
        }
    }]);

    return Steps;
}(React.Component);

export default Steps;

Steps.defaultProps = {
    direction: '',
    styles: StepStyle
};
Steps.Step = RNStepsItem;