jQuery Multiple Image Upload with Preview and Delete

jQuery Multiple Image Upload with Preview and Delete
Code Snippet:
Author:
Published: January 11, 2024
Last Updated: January 22, 2024
Downloads: 44,214
License: MIT
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A lightweight jQuery plugin that lets you to create multiple image upload with preview and delete feature. The plugin supports drag & drop functionality to upload multiple images. It uses a static HTML form without using AJAX that holds images before upload.

Users can drag multiple images in HTML (upload) form and see image thumbnail before upload. Moreover, the plugin can be fully customized according to your needs.

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Plugin Overview and Preview

Plugin: image-uploader
Author: christianbayer
Category: Text & Input
Published: January 11, 2024
File Type: zip archive (HTML, CSS & JavaScript )
Package Size: 13 KB
Dependencies: jQuery 3.0 or Latest version
 
Last Modified:
MIT
44,214
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How to Use Multiple Image Uploader with Preview & Delete

1. First of all load jQuery and Google Material Icons fonts into your HTML page to getting started with Image-Uploader plugin.

<!-- jQuery -->
<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
   
<!--Material Design Iconic Font-->
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">

2. After that, also include Image-Uploader‘s CSS and JavaScript file.

<!-- Image Uploader CSS -->
<link rel="stylesheet" href="dist/image-uploader.min.css">

<!-- Image Uploader Js -->
<script type="text/javascript" src="dist/image-uploader.min.js"></script>

3. Create an HTML form with the attribute enctype="multipart/form-data" that contains div for simple image uploading feature.

<form action="http://example.com/post" enctype="multipart/form-data">

   <div class="input-images"></div>

</form>

3.1  Basically, the following is the complete HTML structure for image preview and delete before uploaded.

<form method="POST" name="form-example-2" id="form-example-2" enctype="multipart/form-data">

    <div class="input-field">
        <input type="text" name="name-2" id="name-2" value="John Doe">
        <label for="name-2" class="active">Name</label>
    </div>

    <div class="input-field">
        <input type="text" name="description-2" id="description-2"
        value="This form is already filed with some data, including images!">
        <label for="description-2" class="active">Description</label>
    </div>

    <div class="input-field">
        <label class="active">Photos</label>
        <div class="input-images-2" style="padding-top: .5rem;"></div>
    </div>

    <button>Submit and display data</button>

</form>

4. Finally, initialize the plugin in jQuery document ready function to active jQuery multiple image upload with preview and delete feature.

$(document).ready(function(){

   $('.input-images').imageUploader();

});

For more advanced usage, please check the Configuration Options tab.

Advanced Configuration Options for Multiple Image Upload with Preview and Delete

The following are some advanced configuration options to create/customize “multiple image upload with preview and delete”.

Option Description, Default, Type
label This option defines the label text for a draggable area that helps users to understand what to do. Default: ‘Drag & Drop files here or click to browse’, Type: String.

 

$('.input-images').imageUploader({
  label: 'Drag & Drop files here or click to browse',
});
preloaded Define the preloaded images for upload form. Default: [], Type: Array of Objects.

 

$('.input-images').imageUploader({
   preloaded: [
    {id: 1, src: 'https://picsum.photos/500/500?random=1'},
    {id: 2, src: 'https://picsum.photos/500/500?random=2'},
   ];
});
imagesInputName It defines the name of the input that will be posted, containing the files list. Default: ‘images’, Type: String.

 

$('.input-images').imageUploader({
   imagesInputName: 'Custom Name',
});
preloadedInputName Show the name of the inputs that will be posted, containing the identification of the preloaded image. Default: ‘preloaded’, Type: String.

 

$('.input-images').imageUploader({
   preloadedInputName: 'Custom Name',
});

Changelog

27/11/2019

  • Fixed material icons dependency.
  • Bugs fixed.

7/11/2019

  • Updated.

6/11/2019

  • Added max files validation.
  • Removed ‘validateExtension’ option.

16/07/2019

  • Initial release.
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40 thoughts on “jQuery Multiple Image Upload with Preview and Delete”

  1. how can we limit numbers of images and how can we check image types as well as if we want to upload(preview) images at the time of edit how can we do that ?

    Reply
  2. how can we remove images ? when i removed, it only remove form front end side but in server side i did not get the correct selected images array as “images array”

    Reply
  3. I spent an hour or so and have patched the code so that images can be now be correctly deleted. How may I commit my changes to the repository, or can the maintainer contact me via email and I will send him the patched versions both minified and source.

    Regards

    Reply
  4. can i get the code as per
    “I spent an hour or so and have patched the code so that images can be now be correctly deleted. How may I commit my changes to the repository, or can the maintainer contact me via email and I will send him the patched versions both minified and source.”

    Reply
  5. Front add images works great, I can drag and drop images and front will display thumbnail,
    But the server fail to upload images, also I didn’t find any data in $_FILES['postimages']
    What ‘s wrong?
    can you give a example to display how wordpress can obtain $_FILES['postimages']?

    $('.input-images').imageUploader({
    imagesInputName: 'postimages',
    });
    

    above in js

    if (isset($_FILES['postimages']) && !empty($_FILES['postimages'])) {
    			$files = $_FILES['postimages'];
    			if (isset($files) && $files) {
    				foreach ($files['name'] as $key => $value) {
    					if ($files['name'][$key]) {
    						$file = array(
    							'name'	   => $files['name'][$key]["file_url"],
    							'type'	   => $files['type'][$key]["file_url"],
    							'tmp_name' => $files['tmp_name'][$key]["file_url"],
    							'error'	   => $files['error'][$key]["file_url"],
    							'size'	   => $files['size'][$key]["file_url"]
    						);
    						
    						$attachment = wp_handle_upload($file,array('test_form' => false),current_time('mysql'));
    						if (!isset($attachment['error']) && $attachment) :
    							$attachment_data = array(
    								'post_mime_type' => $attachment['type'],
    								'post_title'	 => preg_replace('/\.[^.]+$/','',basename($attachment['file'])),
    								'post_content'   => '',
    								'post_status'	 => 'inherit',
    								'post_author'    => (!is_user_logged_in() && $add_post_no_register == "on"?0:$user_id),
    							);
    							$attachment_id = wp_insert_attachment($attachment_data,$attachment['file'],$post_id);
    							$attachment_metadata = wp_generate_attachment_metadata($attachment_id,$attachment['file']);
    							wp_update_attachment_metadata($attachment_id,$attachment_metadata);
    							$postimpages_array[] = array("added_file" => $attachment_id);
    						endif;
    					}
    				}
    				if (isset($postimpages_array)) {
    					add_post_meta($post_id,'postimages',$postimpages_array);
    				}
    			}
    		}
    
    Reply
  6. use wp_upload_bits instead of wp_handle_upload in wordpress, make this jquery plugin work perfectly.
    Very thanks for the author, great job.

    Reply
  7. Firstly, thanks to the author for this plugin and George Embrey for his patch

    But i faced another problem:
    The deleting of images does not work when showing preloaded images. That is, when showing the upload form with preloaded images and then you select and add images. If any of these added images are deleted, the image preview is deleted but they are still sent to the server when the form is posted.

    Solution:
    I did a little modification on the patched code from @George Embrey. Now the problem explained above has been fixed. The maintainer can contact me via email and I will gladly send him the modified source code.

    Regards

    Reply
  8. Hello,
    I am facing same issue for safari even its not working on iPhone with different browsers so if there any alternate for DataTransfer? Or any other good plugin with same functionality for multiple image upload, preview, delete and preload as well? Let me know if anyone did this.
    Thank you.

    Reply
  9. Hi, Sorry to repeat what everybody has been saying but “deleting” files its not working. I downloaded the Asif Mughal file that George modified but still cant delete images added (they only are removed from the preview). Does anyone has a version with the delete file working? Ty

    Reply
  10. Just to clarify, the problem is when deleting the FIRST image that appears in the preview. That first image will be uploaded even if deleted from the preview. If you delete any other image it seems to be working fine.

    Reply
  11. I corrected the error. I changed – if ($container.data("index")) – on the button function for –if ($container.data("index") >= 0)– and it works.

    $button.on("click", function (e) {
                    prevent(e);
                    if ($container.data("index") >= 0) { <--- this line
    
    Reply
  12. how do I use javascript to get imageUploader content and files source before posting data to php? because i need to use javascript to get imageUploader content and image files then use ajax to call php function and post the imageUploader content and file source to php controller there.

    Reply
  13. There is a bug in this if you are using iOS, or at least on multiple iPhones I have tested this on. If you select an image, add it and then go back in to add more images it duplicates them all

    Reply
    • Hi Calvin!
      You can use the maxFiles option to set the limit of files. This option gets the int value of the maximum number of files allowed. This option is disabled by default. If the maximum number was reached, an alert will appear and the image will not be sent. The initialization with this option is as follows:

      $(document).ready(function(){
      
         $('.input-images').imageUploader({
           maxFiles: 5,
         });
      
      });
      
      Reply
  14. how to post images to my controller in .net core

    iam using this upload style

    how to so with the script since iam only allowed to use

    to be able to display the uploader

    if anyone can help would be appreciated

    Reply

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