React - input type file Semantic UI React

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I'm trying to implement a file upload, but using SUIR <Input>, button, label, etc.

This is strictly about the use of the elements in render.

Using regular html <label> and <input> elements this process works as expected.

  <Form.Field>
    <label>File input & upload for dataschemas & datasources</label>
    <input type="file" onChange={this.fileChange} />
    <Button type="submit">Upload</Button>
  </Form.Field>

Now I'm trying to use SUIR <Input> element, as well as some props with the <Button> element for styling.

  <Form.Field>
    <label>File input & upload </label>
    <Input type="file" onChange={this.fileChange}>
      <Button
        content="Choose File"
        labelPosition="left"
        icon="file"
      />
    </Input>
    <Button type="submit">Upload</Button>
  </Form.Field>

You can visit the codesandbox here to get a better visual idea of what I'm talking about.

When I click Choose File in the SUIR implementation example it does not prompt the user to chose a file from their system, whereas the regular html <input> does. I'm not sure how to get <Input type="file ...> in semantic to behave the same way.

SUIR doesn't provide a FileInput button solution out of the box. But you can easily create your own implementation of such button. For instance, usually this is done by using a hidden file input and a button which triggers the hidden input click when user clicks on it:

  <Button
    content="Choose File"
    labelPosition="left"
    icon="file"
    onClick={() => this.fileInputRef.current.click()}
  />
  <input
    ref={this.fileInputRef}
    type="file"
    hidden
    onChange={this.fileChange}
  />

Where this.fileInputRef is a React ref created by React.createRef() method. You can check this codesandbox example with the above solution.

Input, An icon input field can show that it is currently loading data. Try it CodeSandbox MaximizePermalink. Loading inputs automatically modify the input's icon on� Semantic UI React 1.1.1. GitHub Semantic UI Input Docs. Props. Types. Input. A standard input field. States. Focus. An input field can show a user is currently

The answer by GProst works perfectly well. In another case you might not want to create a ref to achieve this file input button.

The solution below uses the htmlFor prop and passes that id to the <input>. Not using ref eliminates extra JS, and unnecessary communication between button and input.

<Button as="label" htmlFor="file" type="button">
  Some button stuff
</Button>
<input type="file" id="file" style={{ display: "hidden" }} onChange={this.onChange} />

Form, All form control components are available. Try it CodeSandboxMaximize Permalink. <Form.Input label='Enter Password' type='password' />. vs <Form. Field>� Install Semantic UI. Install Semantic UI by using the following command, npm install semantic-ui-react. Now open index.js file and import semantic UI css. import 'semantic-ui-css/semantic.min.css'. Now go to src folder and create a new component 'DemoUI.js' and in this component we will add a semantic UI button.

You can setup file upload form with react as below.

And also you can get the filename and the reference of the file as demonstrated in this example, I have included the front end upload logic with axios and the backend code if you are using express, node stack

class Thingy extends React.Component {
  
  uploadFile = event => {
    
    // filename
    console.log('filename ' + event.target.value);
    
    //file 
    console.log('file ' + event.target.files[0]);
    
    // if you are using axios then you can use below code
    //const formData = new FormData();
        // formData.append('file', event.target.files[0])
        // axios.put(
        //     'url',
        //     formData,
        //     { headers: { 'content-type': 'multipart/form-data' } }
        // ).then(data => {
        //     console.log('file uploaded')
        //     console.log(data)
        // }).catch(e => {
        //     console.log('error')
        //     console.log(e)
        // })
        
        // in express , node, backend code would be
        //import formidable from 'formidable'
        //(req, res) => {
        //  let form = new formidable.IncomingForm();
        //  form.parse(req, (err, fields, files) => {
            // you can get the file from files.file.path
        //  })
        // }
  }
  
  render() {
    console.log("rendered");
    return (
      <div>
        <input type="file" id="file" name="filename" onChange={this.uploadFile} />
      </div>
    );
  }
}

// Render it
ReactDOM.render(
  <Thingy/>,
  document.getElementById("react")
);
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>
<div id="react"></div>

semantic-ui-react-input-file, If you really wanted to go the whole 9 yards, you'd add an onChange to the input[ type=file] to track the selected files and list their names below� Semantic UI, Media Query is a (React. Semantic UI React 0. Support for the continued development of Semantic UI comes directly from the community. In the following examples sidebar is used in conjunction with ui menu to display a vertical menu as a sidebar.

This is my solution:

         function mainPage(){
            const [newFile, SetNewFile] = useState([]); 

            const fileChange = (event) => {
                SetNewFile( event.target.files[0] );
             };

            const onFormSubmit = () =>{
              // Do something
            }

            return(
            <Form onSubmit={onFormSubmit}>
                <Form.Field>
                    <Button as="label" htmlFor="file" type="button">
                        Some button stuff
                    </Button>
                    <input type="file" id="file" hidden onChange={fileChange} />

                </Form.Field>
                <Button type="submit">Upload</Button>
            </Form>)
            }

Semantic-Org/Semantic-UI-React, Agreed about input type file, have some idea for this and drop zone for file drag&drop I'm using react-semantic-ui, and I had to do this.upload. Though semantic-ui-react does not have a form validation that I can find, but it has a nice way to show form validation errors. You still have to do the validation on your own. Refer to semantic-ui-react forms documentation page for an example of how it shows validation errors. It also has a feature to show success message.

[Form] Add File Input Styles � Issue #403 � Semantic-Org/Semantic-UI , Called on change. Tags: React. Dependencies: @stardust-ui/react-component- ref, classnames, lodash, prop-types. Built with React. Use input by semantic-org� When using the widths='equal' prop declaration on a Form.Group, all child Form.Dropdown, Form.Input, Form.Selectcomponents must be rendered with a fluid prop to work correctly.

input - semantic-ui-react � Bit, A Form displays a set of related user input fields in a structured way. Tags: React. Dependencies: classnames, lodash, prop-types, react. Built with React. ReactJs react js about,react js on w3schools,react js on wordpress,react js on android,react js on udemy,react js on github,react js on docker,react js on javatpoint,react js after render,react js after component load,react js after render event,react js after,react function after render,react function after setstate,react function after constructor,react function after dispatch,react js vs

form - semantic-ui-react � Bit, <label for="embedpollfileinput" class="ui huge red right floated button">. 6. <i class="ui upload icon"></i>. 7. Upload image. 8. </label>. 9. <input type="file"� first thing note not accessing router state store. if @ react-router-redux docs, warns against doing so you should not read location state directly redux store. because react router operates asynchronously (to handle things such dynamically-loaded components) , component tree may not yet updated in sync redux state. should rely on props passed react router, updated after has processed

Comments
  • if using hooks, you'll want to use useRef. import React, { useRef } from 'react'
  • Much better and intuitive, should be the accepted answer
  • This solution doesn't work if you're building a component which might have multiple instances on the document. You should always defer DOM state management to React wherever you can, so the solution posed by GProst is a better answer.
  • don't use id's in react! Use refs instead
  • This is the more react way of doing this. The accepted answer uses refs which should be avoided when possible. Refs are to be used when manual control of a certain component that is needed, such as a custom component with it's own API imported from a library
  • I had taken the accepted answer and altered it to not use refs. I did not want to give myself the accepted answer even though it's better to not use refs in this situation, as denoted in my answer. And originally this question was more geared towards how to get the <Input> element from SUIR to play nicely with file input.
  • The codesandbox I posted in the question handles the event in just this way.