unmark if name added

src/ui/view/AddElementPopUp.java

@@ -19,6 +19,8 @@ import javax.swing.DefaultComboBoxModel;
 import classes.HolonElement;
 
 import java.awt.event.ActionListener;
+import java.awt.event.KeyEvent;
+import java.awt.event.KeyListener;
 import java.awt.event.ActionEvent;
 
 public class AddElementPopUp extends JDialog {
@@ -68,6 +70,24 @@ public class AddElementPopUp extends JDialog {
 		contentPanel.add(lblAmount);
 		
 		elementName = new JTextField();
+		elementName.addKeyListener(new KeyListener() {
+			@Override
+			public void keyPressed(KeyEvent arg0) {
+				// TODO Auto-generated method stub
+
+			}
+
+			@Override
+			public void keyReleased(KeyEvent e) {
+				// TODO Auto-generated method stub
+
+			}
+
+			@Override
+			public void keyTyped(KeyEvent e) {
+				elementName.setBackground(Color.WHITE);
+			}
+		});
 		elementName.setBounds(140, 8, 110, 20);
 		contentPanel.add(elementName);
 		elementName.setColumns(10);