How do I Display a Percentage Progress Bar when Saving a Node in Drupal 10?

Are you tired of leaving your users in the dark when it comes to saving nodes in Drupal 10? Do you want to provide them with a sense of progress and accomplishment as they wait for their content to be saved? Look no further! In this comprehensive guide, we’ll show you how to display a percentage progress bar when saving a node in Drupal 10.

Why Do I Need a Progress Bar?

Let’s face it, saving nodes in Drupal 10 can take some time, especially if you’re dealing with large files or complex content. Without a progress bar, your users are left staring at a blank screen, wondering if anything is happening. This can lead to frustration, anxiety, and even abandonment of the saving process.

A progress bar, on the other hand, provides a visual representation of the saving process, giving your users a sense of control and progress. It’s a simple yet effective way to improve the user experience and increase satisfaction.

The Solution: Ajax and JavaScript

To display a percentage progress bar when saving a node in Drupal 10, we’ll be using a combination of Ajax and JavaScript. Don’t worry if you’re not familiar with these technologies – we’ll break it down into simple, easy-to-follow steps.

Step 1: Create a Custom Module

The first step is to create a custom module in Drupal 10. This will allow us to inject our custom JavaScript code into the saving process.

// File: progress_bar.info.yml
name: Progress Bar
description: Displays a percentage progress bar when saving a node.
version: 1.0
core: 10.x

// File: progress_bar.module
use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax.ProgressIndicator;

function progressBar_sendAJAXProgress($values) {
  $response = new AjaxResponse();
  $response->addCommand(new ProgressIndicator($values['progress']));
  return $response;
}

Step 2: Add the Progress Bar to the Node Form

In this step, we’ll add a progress bar element to the node form using JavaScript.

// File: progress_bar.js
(function($) {
  Drupal.behaviors.progressBar = {
    attach: function(context) {
      $('form.node-form').append('<div class="progress-bar"><div class="progress-bar-inner"></div></div>');
    }
  };
})(jQuery);

Step 3: Update the Progress Bar using Ajax

Now that we have our progress bar element in place, we need to update it using Ajax as the node is being saved.

// File: progress_bar.js (continued)
(function($) {
  Drupal.behaviors.progressBar = {
    attach: function(context) {
      $('form.node-form').submit(function(e) {
        e.preventDefault();
        var form_values = $(this).serialize();
        $.ajax({
          type: 'POST',
          url: Drupal.url('progress_bar/sendAJAXProgress'),
          data: form_values,
          dataType: 'json',
          xhr: function() {
            var xhr = new window.XMLHttpRequest();
            xhr.upload.addEventListener('progress', function(e) {
              if (e.lengthComputable) {
                var percentComplete = Math.round((e.loaded / e.total) * 100);
                $('.progress-bar-inner').width(percentComplete + '%');
                $('.progress-bar-inner').html(percentComplete + '%');
              }
            }, false);
            return xhr;
          }
        });
      });
    }
  };
})(jQuery);

Putting it All Together

Now that we have our custom module, JavaScript code, and progress bar element in place, let’s see how it all comes together.

Step	Action	Result
1	Create custom module	Custom module created with JavaScript code
2	Add progress bar element to node form	Progress bar element added to node form
3	Update progress bar using Ajax	Progress bar updated in real-time as node is being saved

Troubleshooting Common Issues

As with any complex technical solution, issues can arise. Here are some common problems you might encounter and how to troubleshoot them:

• Progress Bar Not Displaying

  Check that your JavaScript code is being loaded correctly and that the progress bar element is being added to the node form.

• Ajax Request Failing

  Check the JavaScript console for errors and ensure that the Ajax request is being sent to the correct URL.

• Progress Bar Not Updating

  Check that the xhr.upload.addEventListener is being triggered and that the progress bar is being updated correctly.

Conclusion

And there you have it! With these simple steps, you can display a percentage progress bar when saving a node in Drupal 10. Remember to test your code thoroughly and troubleshoot any issues that may arise.

By providing a visual representation of the saving process, you can improve the user experience and increase satisfaction. So go ahead, give your users the progress bar they deserve!

1. Creating Custom Modules in Drupal 10
2. jQuery submit() Method
3. jQuery Ajax Documentation

Happy coding!

Frequently Asked Question

Get ready to tackle one of the most pressing questions in the Drupal community – displaying a percentage progress bar when saving a node in Drupal 10! 🚀