Material ui can't modify Popover max-height

July Published at Dev

July

I'm using Popover component with material-ui but I can't modify the max-height that is a formula like max-height: calc(100% - var). I've tried everything, className, override but this is not working.

Here is the code:

import React, { useState } from "react";
import MultiSelect from "react-multi-select-component";
import { ThemeProvider, createTheme } from '@material-ui/core/styles';
import { multi_select_IT } from "../helpers/const";
import ArrowDropDownIcon from '@material-ui/icons/ArrowDropDown';
import IconButton from '@material-ui/core/IconButton';
import ClearIcon from '@material-ui/icons/Clear';
import Popover from '@material-ui/core/Popover';
import FilterAltIcon from '@material-ui/icons/FilterAlt';

const ColumnTextFilter = (props) => {

  const [selected, setSelected] = useState([]);
  const [isActive, setActive] = useState(false);
  const [isEmpty, setEmpty] = useState(true);
  const [textInput, setTextInput] = useState('');
  const [anchorEl, setAnchorEl] = useState(null);
  const [open, setOpen] = useState(false);
  const options = props.options;

  const theme = createTheme({
    components: {
      MuiPopover: {
        styleOverrides: {
          root: {
            maxHeight: 500,
          },
        },
      },
    },
  });     

  //various functions

  return (
    <ThemeProvider theme={theme}>
      <IconButton aria-label="delete" size="small" onClick={handleClick}>
        <FilterAltIcon />
      </IconButton>

    <Popover 
        onClose={handleClose} 
        open={open} 
        anchorEl={anchorEl} 
        anchorOrigin={{
          vertical: 'bottom',
          horizontal: props.placement? props.placement : 'center',
        }}
        transformOrigin={{
          vertical: 'top',
          horizontal: props.placement? props.placement : 'center',
        }}
        >
      //popover content
    </Popover>
    </ThemeProvider>
  ); 
};

export default ColumnTextFilter;

How can i customize the max-height?

Matt Carlotta

If you want to adjust the popover height/width, you'll want to target the paper property with makeStyles.

For example:

const useStyles = makeStyles({
  paper: {
    width: (props) => (props.width ? `${props.width}px` : "100%"),
    height: (props) => (props.height ? `${props.height}px` : "100%")
  }
});

const ColumnTextFilter = () => {
  const [height, setHeight] = React.useState("");
  const [width, setWidth] = React.useState("");
  // passing height and width to useStyles to interpolate "paper" properties
  const classes = useStyles({ height, width }); 

  return (...);
}

Demo:

Code:

import * as React from "react";
import {
  Popover,
  IconButton,
  InputAdornment,
  makeStyles,
  TextField
} from "@material-ui/core";
import { Clear, PageviewOutlined } from "@material-ui/icons";
import "./styles.css";

const useStyles = makeStyles({
  paper: {
    boxShadow: "0px 0px 9px 0px rgba(0,0,0,0.5)",
    width: (props) => (props.width ? `${props.width}px` : "calc(100%-64px)"),
    height: (props) => (props.height ? `${props.height}px` : "100%")
  }
});

const ColumnTextFilter = () => {
  const [height, setHeight] = React.useState("");
  const [width, setWidth] = React.useState("");
  const [anchorEl, setAnchorEl] = React.useState(null);
  const classes = useStyles({ height, width });

  const handleClick = (event) => {
    setAnchorEl(event.currentTarget);
  };

  const handleClose = () => {
    setAnchorEl(null);
  };

  const open = Boolean(anchorEl);
  const id = open ? "simple-popover" : undefined;

  return (
    <div className="app">
      <TextField
        fullWidth
        type="number"
        label="Height"
        value={height}
        variant="outlined"
        placeholder="Set popover height in pixels..."
        onChange={({ target: { value } }) => setHeight(value)}
        InputProps={{
          endAdornment: <InputAdornment position="end">px</InputAdornment>
        }}
      />
      <IconButton
        aria-label="reset-height"
        size="small"
        onClick={() => setHeight("")}
      >
        <Clear />
      </IconButton>
      &nbsp;Reset Height
      <br />
      <br />
      <TextField
        fullWidth
        type="number"
        label="Width"
        value={width}
        variant="outlined"
        placeholder="Set popover width in pixels..."
        onChange={({ target: { value } }) => setWidth(value)}
        InputProps={{
          endAdornment: <InputAdornment position="end">px</InputAdornment>
        }}
      />
      <IconButton
        aria-label="reset-width"
        size="small"
        onClick={() => setWidth("")}
      >
        <Clear />
      </IconButton>
      &nbsp;Reset Width
      <br />
      <br />
      <IconButton aria-label="delete" size="small" onClick={handleClick}>
        <PageviewOutlined />
      </IconButton>
      &nbsp;Click button to show popover
      <Popover
        id={id}
        open={open}
        classes={classes}
        anchorEl={anchorEl}
        onClose={handleClose}
        anchorOrigin={{
          vertical: "bottom",
          horizontal: "center"
        }}
        transformOrigin={{
          vertical: "top",
          horizontal: "center"
        }}
      >
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      </Popover>
    </div>
  );
};

export default ColumnTextFilter;

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