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社区首页 >问答首页 >第一次点击后,如何禁用Accordion传播?

第一次点击后,如何禁用Accordion传播?
EN

Stack Overflow用户
提问于 2020-09-18 07:09:35
回答 1查看 985关注 0票数 0

我在AccordionSummary (Material-UI)中有一个带有TextFieldAccordion,当单击它时,它会打开表单的其余部分。然而,我不知道如何阻止字段上的多次单击触发传播,以便在第一次单击后打开和关闭折叠内容。我不希望在AccountSummary中第一次单击后,新出现的可见表单内容消失。我知道第一次输入该字段时如何禁用传播,但不知道如何只允许传播一次?

代码语言:javascript
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import React from "react";
import { Formik, Field, Form } from "formik";
import { TextField, Select } from "formik-material-ui";
import Grid from "@material-ui/core/Grid";
import Box from "@material-ui/core/Box";
import FormControl from "@material-ui/core/FormControl";
import MenuItem from "@material-ui/core/MenuItem";
import Button from "@material-ui/core/Button";
import Accordion from "@material-ui/core/Accordion";
import MuiAccordionDetails from "@material-ui/core/AccordionDetails";
import MuiAccordionSummary from "@material-ui/core/AccordionSummary";
import { withStyles } from "@material-ui/core/styles";

const AccordionSummary = withStyles({
  root: {
    "&.Mui-focused": {
      backgroundColor: "inherit"
    }
  }
})(MuiAccordionSummary);

const AccordionDetails = withStyles({
  root: {
    paddingTop: 0
  }
})(MuiAccordionDetails);

export default function App() {
  return (
    <div className="App">
      <Formik>
        <Form>
          <Accordion>
            <AccordionSummary>
              <FormControl fullWidth>
                <Field
                  component={TextField}
                  name="itemName"
                  placeholder="What do you want to buy?"
                  variant="outlined"
                />
              </FormControl>
            </AccordionSummary>
            <AccordionDetails>
              <Grid container>
                <Grid item xs={2}>
                  <Box>
                    <FormControl fullWidth>
                      <Field
                        component={TextField}
                        name="quantity"
                        label="Qty"
                        type="number"
                        variant="outlined"
                        size="small"
                      />
                    </FormControl>
                  </Box>
                </Grid>
                <Grid item xs={2}>
                  <Box pl={1}>
                    <FormControl fullWidth>
                      <Field
                        component={TextField}
                        name="volume"
                        label="Vol"
                        type="number"
                        variant="outlined"
                        size="small"
                      />
                    </FormControl>
                  </Box>
                </Grid>
                <Grid item xs={2}>
                  <Box pl={1}>
                    <FormControl label="Type" size="small" fullWidth>
                      <Field
                        component={Select}
                        name="volumeType"
                        as="select"
                        variant="outlined"
                      >
                        <MenuItem value="g">grams</MenuItem>
                        <MenuItem value="kg">kg</MenuItem>
                        <MenuItem value="ml">ml</MenuItem>
                        <MenuItem value="cl">cl</MenuItem>
                        <MenuItem value="litre">litre</MenuItem>
                        <MenuItem value="pint">pint</MenuItem>
                        <MenuItem value="pack">pack</MenuItem>
                      </Field>
                    </FormControl>
                  </Box>
                </Grid>
                <Grid item xs={4}>
                  <Box pl={1}>
                    <FormControl fullWidth>
                      <Field
                        component={TextField}
                        name="brandName"
                        label="Brand"
                        variant="outlined"
                        size="small"
                      />
                    </FormControl>
                  </Box>
                </Grid>
                <Grid item xs={2}>
                  <Box pl={1}>
                    <Button
                      type="submit"
                      variant="contained"
                      color="primary"
                      disableElevation
                      fullWidth
                    >
                      Add
                    </Button>
                  </Box>
                </Grid>
              </Grid>
            </AccordionDetails>
          </Accordion>
        </Form>
      </Formik>
    </div>
  );
}

EN

回答 1

Stack Overflow用户

发布于 2020-09-18 07:55:30

我可以在不造成大量性能影响的情况下让它工作的唯一方法是:

代码语言:javascript
运行
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import Accordion from "@material-ui/core/Accordion";
import AccordionDetails from "@material-ui/core/AccordionDetails";
import AccordionSummary from "@material-ui/core/AccordionSummary";
import Typography from "@material-ui/core/Typography";
import ExpandMoreIcon from "@material-ui/icons/ExpandMore";
import React, { useState } from "react";

export default function ControlledAccordions() {
  const [expanded, setExpanded] = useState("");
  const handleChange = (panel) => () => {
    setExpanded(panel);
  };

  return (
    <div>
      <Accordion
        expanded={expanded === "panel1"}
        onChange={handleChange("panel1")}
      >
        <AccordionSummary expandIcon={<ExpandMoreIcon />}>
          <Typography>General settings</Typography>
          <Typography>I am an accordion</Typography>
        </AccordionSummary>
        <AccordionDetails>
          <Typography>
            Nulla facilisi. Phasellus sollicitudin nulla et quam mattis feugiat.
            Aliquam eget maximus est, id dignissim quam.
          </Typography>
        </AccordionDetails>
      </Accordion>
    </div>
  );
}

票数 0
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://stackoverflow.com/questions/63947221

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