import java.awt.*;
import java.awt.event.*;
import javax.imageio.ImageIO;
import javax.swing.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.awt.Color;
import java.awt.image.ImageFilter;
import java.awt.Graphics2D;


public class OpenImage extends JFrame implements ActionListener{
	/**
	 * 
	 */
	

	OpenImageLabel label; 
	Container cp; 
	File file; 
	BufferedImage bi;
	
	public OpenImage() throws IOException{
		 
		super("Resize and Rotate");
		
		setDefaultCloseOperation(EXIT_ON_CLOSE);
		JPanel row1 = new JPanel();
		JButton open = new JButton ("Open");
		open.addActionListener(this);
		JButton rotate = new JButton("Rotate");
		rotate.addActionListener(this);
		JButton resize = new JButton("Resize");
		resize.addActionListener(this);
		JButton exit = new JButton ("Exit"); 
		exit.addActionListener(this);
		row1.add(open);
		row1.add(rotate);
		row1.add(resize);
		row1.add(exit);
		
		BorderLayout grid1 = new BorderLayout();
		cp = getContentPane();
		cp.setLayout(grid1);
		
		JPanel topPanel = new JPanel();
		topPanel.setLayout( new BorderLayout() );
		getContentPane().add( topPanel );
		
		label = new OpenImageLabel();
		
		JScrollPane scrollPane = new JScrollPane();
		scrollPane.getViewport().add( label );
		topPanel.add( scrollPane, BorderLayout.CENTER );

		JButton save = new JButton("Save");
		JPanel row3 = new JPanel();
		row3.add(save);
		
		cp.add(BorderLayout.NORTH, row1);
		getContentPane().add( topPanel, BorderLayout.CENTER );
		cp.add(BorderLayout.SOUTH, row3);

		pack();
		setSize(900,700);
		setVisible(true);	
	}


	


	


	// This method returns a buffered image with the contents of an image

	public void actionPerformed(ActionEvent e) {
		String command = e.getActionCommand();
		if (command == "Exit"){
			System.exit(0);
		}
		if (command == "Open"){
			JFileChooser chooser = new JFileChooser();
			int returnVal = chooser.showOpenDialog(this);
			if (returnVal == JFileChooser.APPROVE_OPTION) {
		        file = chooser.getSelectedFile();
		        //This is where a real application would open the file.
		        label.openFile(file);
		        System.out.println("Opening: " + file.getName() + "." + "\n");
		      } else {
		        System.out.println("Open command cancelled by user." + "\n");
		      }
		}
		if(command =="Rotate"){
			//We will rotate image here 
			label.rotateImage();
			}
	}

	public static void main(String [] args){
		try {
            // Set System L&F
        UIManager.setLookAndFeel(
            UIManager.getSystemLookAndFeelClassName());
    } 
    catch (UnsupportedLookAndFeelException e) {
       // handle exception
    }
    catch (ClassNotFoundException e) {
       // handle exception
    }
    catch (InstantiationException e) {
       // handle exception
    }
    catch (IllegalAccessException e) {
       // handle exception
    }

		try {
			JFrame frame = new OpenImage();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
}