Exception fixed

src/ui/view/AddObjectPopUp.java

@@ -168,8 +168,8 @@ public class AddObjectPopUp extends JDialog {
 				sourcePath.setText(filePath);
 				ImageIcon icon = new ImageIcon(
 						new ImageIcon(filePath).getImage().getScaledInstance(50, 50, Image.SCALE_SMOOTH));
-				if(icon != null)
-				lblImagePreview.setIcon(icon);
+				if (icon != null)
+					lblImagePreview.setIcon(icon);
 			}
 			sourcePath.setBounds(148, 77, 271, 20);
 			contentPanel.add(sourcePath);
@@ -183,7 +183,9 @@ public class AddObjectPopUp extends JDialog {
 					addElement.setActualCps(toEdit);
 					addElement.setVisible(true);
 					HolonElement hl = addElement.getElement();
-					addElement(hl);
+					if (hl != null) {
+						addElement(hl);
+					}
 				}
 			});
 
@@ -226,7 +228,7 @@ public class AddObjectPopUp extends JDialog {
 			btnNewButton.setBounds(270, 182, 142, 27);
 			contentPanel.add(btnNewButton);
 		}
-		
+
 		{
 			JPanel buttonPane = new JPanel();
 			buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
@@ -239,8 +241,8 @@ public class AddObjectPopUp extends JDialog {
 						if (objectName.getText().length() > 0) {
 							if (sourcePath.getText().equals(filePath)) {
 								imagePath = filePath;
-								if(imageChanged)
-								copieFile();
+								if (imageChanged)
+									copieFile();
 								imageChanged = false;
 								// theObject = new
 								// HolonObject(objectName.getText());