Using JQuery Dialog with php code

Hi all,

I am trying to get some dialogs in my project to replace the echo's.

Can someone please help me as I cannot get it to work.

Please see code below attached.

What I need to do it to replace the echo warning messages I have in the function with popup dialogs or alert dialogs.

for example ... code below has: echo 'This file is too big'; ... I was a dialog instead.

Thanks

Code attached below

<?php
class UploadsController extends AppController {
	
	var $name = 'Uploads';
	var $useTable = 'competitions_entry';
	var $components = array('RequestHandler','FileUpload','Session');  
	var $helpers = array('Html', 'Form', 'Javascript','Session', 'Ajax');
	var $uses = array('User','Competition','Upload', 'Vote');
	
		
	
	
		
	
	
	function index($id = null) {
		

		
		//$this->set('uploads', $this->Upload->find('all')); 
		$temp_id = $this->sodium_user['User']['id'];
		
		
		
		$theuploads = $this->Upload->query("SELECT * FROM entries where user_id <> $temp_id");
										   
		$this->set('uploads', $theuploads);
		
			
		if($this->RequestHandler->isPost()) {
		
		   
		
		$this->Upload->create();
		
			$component = new FileUploadComponent();
			$component->upload(array('name'=>'blablabla', 'tmp_name'=>'tmp_blabla'));
			$FullUrl = $component->getFullpath();
			$currentUserId = $this->sodium_user['User']['id'];
			$test = $component->getFolder();
			$ddd = $component->getDestination();
			
		
				
		
		   
			//Get the path to save;
			$data = array('Upload' => array(
					'competition_id' => $this->data['Upload']['comp_id'],
					'user_id' => $currentUserId,// <- Need to get this via url
			 		'directory_name'=> 'img/uploads/',
					'name' => $test.'-'.$this->data['Upload'][0]['file']['name'],
					'size' => $this->data['Upload'][0]['file']['size'], 
					'type' => $this->data['Upload'][0]['file']['type']
				)
			);
		
		
		
		 
			
		
	
		
		//*****************************************************************
		// LETS START WITH THE VALIDATION
		//*****************************************************************
		
		
		
		
		
		//**********************************************************
		//	CHECK IF THE USER HAS ALREADY UPLOADED ANOTHER ENTRY
		//**********************************************************
		/*if ($theuploads = 'Array') { //temp
			echo 'You have already voted for the competition';
		
		} else {*/
		
		
		
		
		
		//*****************************************************************
		//  Check the File size
		//*****************************************************************
		$updat = $this->data['Upload'][0]['file']['size'];
		$file_max_size = 999999;
		if ($updat > $file_max_size) { //size in bytes
			echo '<br />';
			echo 'This file is too big';
			
		} else {
			
	
		
		
		
		//******************************************************
		//If filetype is now allowed or empty give an error
		//******************************************************
		$updat2 = $this->data['Upload'][0]['file']['size'];
		$file_empty_size = 0;
		if ($updat2 == $file_empty_size) { //size in bytes
			
			echo '<br />';
			echo 'Upload or file cannot be empty';
			
					
            
			
		} else {
			
	
		
		
		
		//**********************************************
		//	Check if filetype is allowed
		//**********************************************
		$accepted_file_types = array (
		
									  "application/pdf",
									  "application/msword",
									  "text/plain",
									  "text/rtf",
									  "image/gif",
									  "image/jpeg",
									  "application/x-zip-compressed", 
									  "image/jpg", 
									  "image/pjpeg",
									  "image/tiff",
									  "image/bmp",
									  "image/psd"
									  
									 );
		
		
		if (!in_array(strtolower($this->data['Upload'][0]['file']['type']), $accepted_file_types)) {
		
			echo '<br />';
			echo 'File type not allowed!';
			
		
		} 
			

		

		if($this->Upload->save($data, array('validate'=>false))) { // not validate now
		    echo 'Upload has been Saved!';	
			if(!$this->FileUpload->upload($this->data['Upload'][0]['file'])) {
			$this->Upload->delete($this->Upload->id); // remove the DB entry because there were upload errors
			$this->redirect('/'); //Redirect after saving
		}
		}
		
		}}
		
		
		
		
		}
		}
		}
		

?>

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