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Update div for filelisting after file upload using ajax

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Update div for filelisting after file upload using ajax

 
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  #1
Jul 3rd, 2009
I'm using a script called Ajax Upload to upload files. I have a div that has a php script inside so that when the page loads I can see the listing of all the files. My problem is that I want to update this list of files without having to refresh the page.

My code:
JavaScript / DHTML / AJAX Syntax (Toggle Plain Text) 
  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  2. <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr">
  3. <head profile="http://gmpg.org/xfn/11">
  4. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  5.  
  6. <script type="text/javascript" src="js/jquery-1.3.2.js" ></script>
  7. <script type="text/javascript" src="js/ajaxupload.3.5.js" ></script>
  8. <script type="text/javascript" src="js/prototype-1.6.0.3.js"></script>
  9. <script type="text/javascript" >
  10. 	$(function(){
  11. 		var btnUpload=$('#upload');
  12. 		var status=$('#status');
  13. 		new AjaxUpload(btnUpload, {
  14. 			action: 'upload-file.php',
  15. 			name: 'uploadfile',
  16. 			onSubmit: function(file, ext){
  17. 				 /*if (! (ext && /^(jpg|png|jpeg|gif)$/.test(ext))){ 
  18.                     // extension is not allowed 
  19. 					status.text('Only JPG, PNG or GIF files are allowed');
  20. 					return false;
  21. 				}*/
  22. 				status.text('Uploading...');
  23. 			},
  24. 			onComplete: function(file, response){
  25. 				//On completion clear the status
  26. 				status.text('');
  27. 				//Add uploaded file to list
  28. 				if(response==="success"){
  29. 					$('<li></li>').appendTo('#files').html('<img src="./uploads/'+file+'" alt="" /><br />'+file).addClass('success');
  30. 				} else{
  31. 					$('<li></li>').appendTo('#files').text(file).addClass('error');
  32. 				}
  33. 			}
  34. 		});
  35.  
  36. 	});
  37. 	new Ajax.Updater('fileList', 'fileList.php', {parameters: { text: $F('text') }});
  38. </script>
  39.  
  40. <link rel="stylesheet" type="text/css" href="./styles.css" />
  41. </head>
  42.  
  43. <body>
  44. <div id="main" >
  45.  
  46.  
  47. 	<div class="content">
  48.  
  49. 		<?php include 'uploader.php';?>
  50.  
  51. 	</div>
  52.  
  53. </div>
  54.  
  55. </body>
and the uploader.php
JavaScript / DHTML / AJAX Syntax (Toggle Plain Text) 
  1. <div class="fileListing">
  2. 			<div class="fileHeader">
  3. 				Your files
  4. 			</div>
  5. 			<div class="fileList" id="fileList">
  6. 				<?php include 'fileList.php';?>
  7. 			</div>
  8. 		</div>
  9. 		<div class="uploaded">
  10. 		<!-- Upload Button, use any id you wish-->
  11. 		<!--<div id="upload" ><span>Upload File<span></div>-->
  12. 		<input type="button" value="Upload" id="upload"/>
  13. 		<div id="status" ></div>
  14. 		</div>
and fileList.php
JavaScript / DHTML / AJAX Syntax (Toggle Plain Text) 
  1. <?php
  2. 				$dir = "uploads"; //You could add a $_GET to change the directory
  3.  
  4.  
  5. 				function getDirectoryTree( $outerDir){
  6. 				    $dirs = array_diff( scandir( $outerDir ), Array( ".", ".." ) );
  7. 				    $dir_array = Array();
  8. 				    foreach( $dirs as $d ){
  9. 				        if( is_dir($outerDir."/".$d) ) $dir_array[ $d ] = getDirectoryTree( $outerDir."/".$d );
  10. 				        else $dir_array[ $d ] = $d;
  11. 				    }
  12. 				    return $dir_array;
  13. 				} 
  14. 				function getFileList($tree,&$subLevel,$dir){
  15. 					$itemNumber = 0;
  16. 					$itemCount = count($tree);
  17. 					foreach($tree as $key => $item){
  18. 						$itemNumber++;
  19.  
  20. 						if(!is_array($item)){
  21.  
  22. 							echo $subLevel.'<span style="margin-left:'.($subLevel*15).'px;">'.$item.'</span><br/>';
  23. 							if($itemNumber == $itemCount){
  24. 								--$subLevel;
  25. 							}
  26. 						}
  27. 						else{
  28. 							if(is_dir($dir."/".$key))
  29. 							{
  30. 								$subLevel = substr_count($dir."/".$key,"/");
  31. 							}
  32. 							echo $key.'<br/>';
  33. 							unset($tree[$key]);
  34. 							array_push($tree,$item);
  35. 							getFileList($item,$subLevel,$dir."/".$key);
  36. 						}
  37.  
  38.  
  39. 					}
  40. 				}	
  41. 				$tree = getDirectoryTree($dir);
  42. 				$subLevel = 0;
  43. 				getFileList($tree,$subLevel,$dir);
  44. 				/*$files = scandir($dir);
  45. 				foreach($files as $key => $value){
  46. 					if(substr($value,0,1) != '.')
  47. 						echo "<a href='./uploads/$value' title='Download $value'>".$value."</a><br/>"; 
  48. 					//You could add an icon in here maybe, a link to the file/directory, or a link to list files in that directory
  49. 				}*/

Thanks for any help.
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