Making a multi page form in flutter

ghz 7months ago ⋅ 147 views

so I want to make a multipage form that has a linear progress indicator at the top instead of the normal stepper widget one, I've tried SO many different websites and nothing is both working and has everything I need,

what I want is:

  • to have a different page for each step
  • a way to return the data collected from each step
  • a bar at the top to show how close you are to finishing the form
  • and a way to edit each page serperately

any advice on how I'd do this would be so so so appreciated and thank you in advance

Answers

Creating a multipage form with a linear progress indicator at the top can be achieved using various frontend frameworks or libraries such as React, Vue.js, or Angular. Here's a general approach using React as an example:

  1. Component Structure: Create a separate component for each step of the form. Each component will represent a different page of the form.

  2. State Management: Use state management to manage the data collected from each step of the form. You can use React's built-in state or a state management library like Redux.

  3. Linear Progress Indicator: Implement a linear progress indicator at the top of the form. You can use a simple progress bar or customize it to fit your design.

  4. Navigation: Implement navigation between the form steps. You can use buttons or links to navigate between the steps. Make sure to handle the logic for navigating forward and backward.

  5. Data Collection: Collect and store the data entered by the user in each step. You can pass the data collected from each step to a parent component and store it in the state.

Here's a simplified example of how you can structure your components in React:

import React, { useState } from 'react';

// Step 1: Component for Step 1 of the form
const Step1 = ({ onNext }) => {
  const [data, setData] = useState('');

  const handleNext = () => {
    // Validate data if needed
    onNext(data);
  };

  return (
    <div>
      <h2>Step 1</h2>
      <input type="text" value={data} onChange={(e) => setData(e.target.value)} />
      <button onClick={handleNext}>Next</button>
    </div>
  );
};

// Step 2: Component for Step 2 of the form
const Step2 = ({ data, onPrevious, onNext }) => {
  const [additionalData, setAdditionalData] = useState('');

  const handleNext = () => {
    // Validate additionalData if needed
    onNext({ ...data, additionalData });
  };

  return (
    <div>
      <h2>Step 2</h2>
      <p>Data from Step 1: {data}</p>
      <input type="text" value={additionalData} onChange={(e) => setAdditionalData(e.target.value)} />
      <button onClick={onPrevious}>Previous</button>
      <button onClick={handleNext}>Next</button>
    </div>
  );
};

// Form component
const Form = () => {
  const [step, setStep] = useState(1);
  const [formData, setFormData] = useState({});
  
  const handleNext = (data) => {
    setFormData({ ...formData, [`step${step}`]: data });
    setStep(step + 1);
  };

  const handlePrevious = () => {
    setStep(step - 1);
  };

  return (
    <div>
      <div>
        {/* Linear Progress Indicator */}
        Progress: Step {step} of 2
      </div>
      {step === 1 && <Step1 onNext={handleNext} />}
      {step === 2 && (
        <Step2
          data={formData.step1}
          onPrevious={handlePrevious}
          onNext={(data) => {
            setFormData({ ...formData, [`step${step}`]: data });
            console.log('Form Data:', formData);
            // Handle form submission or additional logic
          }}
        />
      )}
    </div>
  );
};

export default Form;

This example demonstrates a basic multipage form structure with two steps and a linear progress indicator. You can expand upon this example to fit your specific requirements and design preferences. Additionally, you can use CSS to style the progress indicator according to your design.

#forms