+import java.awt.FlowLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+import javax.swing.BorderFactory;
+import javax.swing.JCheckBox;
+import javax.swing.JColorChooser;
+import javax.swing.JComboBox;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JSlider;
+import javax.swing.JTextField;
+import javax.swing.border.LineBorder;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;