我一直在研究使用 React 和 Material-ui 制作的范围日期选择器。我有一个原子组件(按钮),它在某些日期值更改的日期之后获得一些样式。
不是最好的代码,但现在我只想完成工作,问题是我想用类来做这件事,但只有在为它分配样式时才能按预期工作,如果我将 props 传递给 {{1 }}它开始做奇怪的事情。
useStyles(props)
import React from 'react';
import { Button } from '@material-ui/core';
import PropTypes from 'prop-types';
import fcc from 'font-color-contrast';
import { colors } from 'UI/res/colors';
import { useStyles } from './styles';
const DatePickerDisplayButton = ({
children,
actualDate,
displayDate,
selectedDates: {
start: startDate,
end: endDate
},
focusedDate,
type,
index,
onMouseEnter,
onRangeChange,
multiple,
...rest
}) => {
// function expression that sets backgroundColor and color
// depending on dates
const getRangeBackgroundColor = () => {
const color = fcc(colors.main.red.original);
if (
displayDate === startDate ||
displayDate === endDate ||
(displayDate === focusedDate && !endDate)
) {
return { color, backgroundColor: colors.main.red.original };
} else if (
(displayDate > startDate && displayDate < endDate) ||
(displayDate > startDate && displayDate < focusedDate && !endDate) ||
(displayDate < startDate && displayDate > focusedDate && !endDate)
) {
return { color, backgroundColor: colors.main.red.softer };
}
return null;
};
const classes = useStyles({
index,
multiple,
// pass colors object to useStyles to get in props
color: getRangeBackgroundColor()
});
return (
<Button
type="contained"
onMouseEnter={onMouseEnter(displayDate)}
onClick={onRangeChange(displayDate, type)}
className={classes.calendarButton}
{...rest}
>
{children}
</Button>
);
};
这是所需的行为,唯一改变的是我将 import { makeStyles } from '@material-ui/core';
import { colors } from 'UI/res/colors';
export const useStyles = makeStyles(() => ({
calendarButton: {
width: 'calc(100% / 7)',
minWidth: 'calc(100% / 7)',
borderRadius: 0,
margin: 0,
borderTop: `1px solid ${colors.main.red.soft}`,
borderLeft: `1px solid ${colors.main.red.soft}`,
borderBottom: ({index, multiple}) => (index + 1 < multiple && index + 1 > multiple - 7) ? `1px solid ${colors.main.red.soft}` : null,
borderRight: ({index}) => ((index + 1) % 7) === 0 ? `1px solid ${colors.main.red.soft}` : null,
backgroundColor: ({color}) => color?.backgroundColor,
color: ({color}) => color?.color
}
}));
传递给我的按钮 getRangeBackgroundColor()
属性。
style
import React from 'react';
import { Button } from '@material-ui/core';
import PropTypes from 'prop-types';
import fcc from 'font-color-contrast';
import { colors } from 'UI/res/colors';
import { useStyles } from './styles';
const DatePickerDisplayButton = ({
children,
actualDate,
displayDate,
selectedDates: {
start: startDate,
end: endDate
},
focusedDate,
type,
index,
onMouseEnter,
onRangeChange,
multiple,
...rest
}) => {
const classes = useStyles({
index,
multiple
});
const getRangeBackgroundColor = () => {
const color = fcc(colors.main.red.original);
if (
displayDate === startDate ||
displayDate === endDate ||
(displayDate === focusedDate && !endDate)
) {
return { color, backgroundColor: colors.main.red.original };
} else if (
(displayDate > startDate && displayDate < endDate) ||
(displayDate > startDate && displayDate < focusedDate && !endDate) ||
(displayDate < startDate && displayDate > focusedDate && !endDate)
) {
return { color, backgroundColor: colors.main.red.softer };
}
return null;
};
return (
<Button
type="contained"
onMouseEnter={onMouseEnter(displayDate)}
onClick={onRangeChange(displayDate, type)}
className={classes.calendarButton}
style={getRangeBackgroundColor()}
{...rest}
>
{children}
</Button>
);
};