Hello can any body help me to add color to my shape using jcombobox

Question

please how can i fill color to my shape and change the line color of my shape using jcombobox here is my code
//package paint;
* PaintShapesDemo.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class PaintShapesDemo extends JFrame implements ActionListener
final private int RECT =1 ;
final private int CIRCLE = 2;
final private int POLY = 3 ;
final private int ELLI = 4 ;
final private int TRAN = 5 ;
private int shape;
JLabel Lcolor;
JLabel Fcolor;
JLabel headlebel,linecolorlabel,fillcolorlabel,labeldisplay;
JButton recbutton,cirbutton,polygonbutton,ellipsebutton;
JComboBox linecolor,fillcolor;
private ButtonGroup grShapes = new ButtonGroup();
private JPanel shapeSelectionPanel = new JPanel(new FlowLayout());
public PaintShapesDemo()
super("HAKIMADE");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBackground(Color.white);
setSize(800,600);
setLocationRelativeTo(null);
recbutton = new JButton("CIRCLE");
cirbutton = new JButton("ROUNDRECT");
polygonbutton = new JButton("ELLIPSE");
ellipsebutton = new JButton("RECTANGLE");
JPanel TP=new JPanel();
TP.setLayout(new FlowLayout(FlowLayout.CENTER));
TP.add(new JLabel("MY PAINT APPLICATION."));
JPanel panel1=new JPanel();
panel1.setLayout(new FlowLayout(FlowLayout.CENTER,10,40));
panel1.add(recbutton);
panel1.add(cirbutton);
panel1.add(polygonbutton);
panel1.add(ellipsebutton);
JPanel TP1=new JPanel();
TP1.setLayout(new BorderLayout());
TP1.add(TP,BorderLayout.NORTH);
TP1.add(panel1,BorderLayout.CENTER);
JPanel panel2=new JPanel();
panel2.setLayout(new FlowLayout(FlowLayout.CENTER,30,2));
Lcolor = new JLabel("SELECT LINE COLOR");
Fcolor = new JLabel("SELECT FILL COLOR");
panel2.add(Lcolor);
panel2.add(Fcolor);
JPanel panel3=new JPanel();
panel3.setLayout(new FlowLayout(FlowLayout.CENTER,30,2));
linecolor = new JComboBox();
linecolor.addItem("Choose the color");
linecolor.addItem("Gray");
linecolor.addItem("Orange");
linecolor.addItem("Magenta");
linecolor.addItem("Dark Gray");
fillcolor = new JComboBox();
fillcolor.addItem("Choose the color");
fillcolor.addItem("RED");
fillcolor.addItem("BLUE");
fillcolor.addItem("BLACK");
fillcolor.addItem("YELLOW");
panel3.add(linecolor);
panel3.add(fillcolor);
JPanel panel4=new JPanel();
panel4.setLayout(new BorderLayout());
panel4.add(panel2,BorderLayout.NORTH);
panel4.add(panel3,BorderLayout.CENTER);
shapeSelectionPanel.add(TP1);
shapeSelectionPanel.add(panel4);
shapeSelectionPanel.setBackground(Color.green);
shapeSelectionPanel.setBorder(BorderFactory.createLineBorder(Color.black));
shapeSelectionPanel.setPreferredSize(new Dimension(110, 100));
add(shapeSelectionPanel, BorderLayout.NORTH);
add(new DrawingPanel());
recbutton.addActionListener(this);
cirbutton.addActionListener(this);
polygonbutton.addActionListener(this);
ellipsebutton.addActionListener(this);
public static void main(final String args[])
new PaintShapesDemo().setVisible(true);
public void actionPerformed(final ActionEvent e)
shape = CIRCLE;
if(e.getSource() == cirbutton)
shape = RECT;
if(e.getSource() == recbutton)
shape = POLY;
if(e.getSource() == polygonbutton)
shape = ELLI;
if(e.getSource() == ellipsebutton)
shape = TRAN;
class DrawingPanel extends JPanel
private Image img;
private Graphics2D g2;
public DrawingPanel()
addMouseListener(new MouseAdapter(){public void mousePressed(MouseEvent e){drawShape(e.getX(), e.getY());}});
public void paintComponent(final Graphics g)
if(img == null)
img = createImage(getWidth(), getHeight());
g2 = (Graphics2D)img.getGraphics();
g.drawImage(img,0,0,null);
private void drawShape(final int x, final int y)
switch (shape)
case POLY: g2.drawOval(x,y,100,100);break;
case ELLI: g2.drawOval(x,y,100,50);break;
case RECT: g2.drawRoundRect(x,y,100, 70, 20, 20);break;
case CIRCLE: g2.drawRect(x,y,100,80);break;
case TRAN: g2.drawRect(x,y,100,80);
repaint();
}

Answer 1

use CODE tags to post source code
read selected color from combobox and set colors Or declare two Strings lineColor and fillColor and set these variables on change of combo by adding ItemListener to the combo. and use that varables to set colors ..
Refer:
http://www.java2s.com/Code/Java/2D-Graphics-GUI/Arcdemonstrationscalemoverotatesheer.htm