@td-design/react-native/lib/module/timeline/VerticalTimeline.js

react-native UI组件库

function _extends() { _extends = Object.assign ? Object.assign.bind() : 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); }
import React, { memo, useRef } from 'react';
import { ScrollView } from 'react-native';
import { useTheme } from '@shopify/restyle';
import { useMap, useSafeState } from '@td-design/rn-hooks';
import Box from '../box';
import Flex from '../flex';
import Text from '../text';
const VerticalTimeline = _ref => {
  let {
    data,
    customIcon,
    lineStyle
  } = _ref;
  const titleMeasured = useRef(false);
  const [titleHeight, setTitleHeight] = useSafeState(0);
  const handleTitleLayout = e => {
    if (!titleMeasured.current) {
      titleMeasured.current = true;
      setTitleHeight(Math.floor(e.nativeEvent.layout.height));
    }
  };
  const [_, {
    set,
    get
  }] = useMap();
  const handleEventLayout = (e, index) => {
    set(index, Math.floor(e.nativeEvent.layout.height));
  };
  const renderItem = (item, index) => {
    return /*#__PURE__*/React.createElement(Flex, {
      key: String(index),
      alignItems: "flex-start"
    }, /*#__PURE__*/React.createElement(DateAndTime, item), /*#__PURE__*/React.createElement(CircleAndLine, {
      height: get(index) || 0,
      isLast: index === data.length - 1,
      titleHeight: titleHeight,
      customIcon: customIcon,
      lineStyle: lineStyle
    }), /*#__PURE__*/React.createElement(Event, _extends({}, item, {
      onTitleLayout: handleTitleLayout,
      onLayout: e => handleEventLayout(e, index)
    })));
  };
  return /*#__PURE__*/React.createElement(ScrollView, {
    style: {
      flex: 1
    },
    horizontal: false,
    showsVerticalScrollIndicator: false
  }, data.map((item, index) => renderItem(item, index)));
};
VerticalTimeline.displayName = 'VerticalTimeline';
export default VerticalTimeline;
const DateAndTime = /*#__PURE__*/memo(_ref2 => {
  let {
    date,
    time
  } = _ref2;
  return /*#__PURE__*/React.createElement(Box, {
    paddingLeft: 'x1',
    alignItems: 'flex-end'
  }, /*#__PURE__*/React.createElement(Text, {
    variant: "p0",
    color: "text",
    numberOfLines: 1
  }, date), /*#__PURE__*/React.createElement(Text, {
    variant: 'p2',
    color: "text"
  }, time));
});
const Event = /*#__PURE__*/memo(_ref3 => {
  let {
    title,
    description,
    onLayout,
    onTitleLayout
  } = _ref3;
  return /*#__PURE__*/React.createElement(Box, {
    onLayout: onLayout,
    flex: 1
  }, /*#__PURE__*/React.createElement(Text, {
    variant: "p0",
    color: "text",
    onLayout: onTitleLayout,
    numberOfLines: 1
  }, title), /*#__PURE__*/React.createElement(Text, {
    variant: "p2",
    color: "text"
  }, description));
});
const CircleAndLine = /*#__PURE__*/memo(_ref4 => {
  let {
    height,
    isLast,
    titleHeight,
    customIcon,
    lineStyle
  } = _ref4;
  const theme = useTheme();
  const [iconHeight, setIconHeight] = useSafeState(theme.borderRadii.x2);
  const handleLayout = e => {
    setIconHeight(Math.floor(e.nativeEvent.layout.height));
  };
  return /*#__PURE__*/React.createElement(Box, {
    alignItems: 'center',
    style: {
      paddingHorizontal: theme.spacing.x2,
      top: titleHeight / 2 - iconHeight / 2
    }
  }, customIcon ? /*#__PURE__*/React.createElement(Box, {
    backgroundColor: 'white',
    onLayout: handleLayout
  }, customIcon) : /*#__PURE__*/React.createElement(Box, {
    width: theme.borderRadii.x2,
    height: theme.borderRadii.x2,
    backgroundColor: "primary200",
    borderRadius: "x2"
  }), !isLast && /*#__PURE__*/React.createElement(Box, {
    width: 1,
    height: height,
    backgroundColor: 'border',
    style: lineStyle
  }));
});
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