[QSL Labels] Added messages

application/controllers/Labels.php

@@ -103,6 +103,7 @@ class Labels extends CI_Controller {
 		// Example of custom format
 		// $pdf = new PDF_Label(array('paper-size'=>'A4', 'metric'=>'mm', 'marginLeft'=>1, 'marginTop'=>1, 'NX'=>2, 'NY'=>7, 'SpaceX'=>0, 'SpaceY'=>0, 'width'=>99, 'height'=>38, 'font-size'=>14));
 
+		try {
 			if ($label) {
 				$pdf = new PDF_Label(array(
 					'paper-size'	=> $label->paper_type, 
@@ -122,6 +123,10 @@ class Labels extends CI_Controller {
 				// Standard format
 				$pdf = new PDF_Label('3422');
 			}
+		} catch (\Throwable $th) {
+			$this->session->set_flashdata('error', 'Something went wrong! The label could not be generated. Check label size and font size.'); 
+			redirect('labels');
+		}
 
 
 		$pdf->AddPage();
@@ -142,7 +147,9 @@ class Labels extends CI_Controller {
 		} else {
 			echo "0 results";
 		}
+		
 		$pdf->Output();
+	
 	}
 
 	public function edit($id) {
@@ -162,12 +169,14 @@ class Labels extends CI_Controller {
 	public function updateLabel($id) {
 		$this->load->model('labels_model');
 		$this->labels_model->updateLabel($id);
+		$this->session->set_flashdata('message', 'Label was saved.'); 
 		redirect('labels');
 	}
 
 	public function delete($id) {
 		$this->load->model('labels_model');
 		$this->labels_model->deleteLabel($id);
+		$this->session->set_flashdata('warning', 'Label was deleted.'); 
 		redirect('labels');
 	}
 

application/views/labels/index.php

@@ -3,8 +3,22 @@
 <br>
 	<?php if($this->session->flashdata('message')) { ?>
 		<!-- Display Message -->
-		<div class="alert-message error">
+		<div class="alert alert-success" role="alert">
-		  <p><?php echo $this->session->flashdata('message'); ?></p>
+		  <?php echo $this->session->flashdata('message'); ?>
+		</div>
+	<?php } ?>
+
+	<?php if($this->session->flashdata('error')) { ?>
+		<!-- Display Message -->
+		<div class="alert alert-danger" role="alert">
+		  <?php echo $this->session->flashdata('error'); ?>
+		</div>
+	<?php } ?>
+
+	<?php if($this->session->flashdata('warning')) { ?>
+		<!-- Display Message -->
+		<div class="alert alert-warning" role="alert">
+		  <?php echo $this->session->flashdata('warning'); ?>
 		</div>
 	<?php } ?>