import java.awt.Color;import java.awt.Insets;import java.awt.Con.pdf

import java.awt.Color;
import java.awt.Insets;
import java.awt.Container;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import javax.swing.JMenu;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JButton;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JTextArea;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;
import javax.swing.BorderFactory;
/*
*Class Steganography_View
*/
public class Steganography_View extends JFrame
{
//size variables for window
private static int WIDTH = 500;
private static int HEIGHT = 400;
//elements for JPanel
private JTextArea input;
private JScrollBar scroll,scroll2;
private JButton encodeButton,decodeButton;
private JLabel image_input;
//elements for Menu
private JMenu file;
private JMenuItem encode;
private JMenuItem decode;
private JMenuItem exit;

/*
*Constructor for Steganography_View class
*@param name Used to set the title on the JFrame
*/
public Steganography_View(String name)
{
//set the title of the JFrame
super(name);
//Menubar
JMenuBar menu = new JMenuBar();
JMenu file = new JMenu("File"); file.setMnemonic('F');
encode = new JMenuItem("Encode"); encode.setMnemonic('E');
file.add(encode);
decode = new JMenuItem("Decode"); decode.setMnemonic('D');
file.add(decode);
file.addSeparator();
exit = new JMenuItem("Exit"); exit.setMnemonic('x'); file.add(exit);
menu.add(file);
setJMenuBar(menu);
// display rules
setResizable(true);//allow window to be resized: true?false
setBackground(Color.lightGray); /background color of window:
Color(int,int,int) setLocation(100,100); //location on the screen to display
window
setDefaultCloseOperation(EXIT_ON_CLOSE);//what to do on close operation: exit,
do_nothing, etc
setSize(WIDTH,HEIGHT); //set the size of the window
setVisible(true); //show the window: true?false
}
/*
*@return The menu item 'Encode'
*/
public JMenuItem getEncode() { return encode;
}
/*
*@return The menu item 'Decode'

*/
public JMenuItem getDecode() { return decode;
}
/*
*@return The menu item 'Exit'
*/
public JMenuItem getExit() { return
exit; }
/*
*@return The TextArea containing the text to encode
*/
public JTextArea getText() { return
input; }
/*
*@return The JLabel containing the image to decode text from
*/
public JLabel getImageInput() { return image_input;
}
/*
*@return The JPanel displaying the Encode View
*/
public JPanel getTextPanel() { return new Text_Panel(); }
/*
*@return The JPanel displaying the Decode View
*/
public JPanel getImagePanel() { return new Image_Panel(); }
/*
*@return The Encode button
*/
public JButton getEButton() { return encodeButton; }
/*
*@return The Decode button
*/
public JButton getDButton() { return decodeButton; }
/*
*Class Text_Panel

*/
private class Text_Panel extends JPanel
{
/*
*Constructor to enter text to be encoded
*/
public Text_Panel()
{
//setup GridBagLayout
GridBagLayout layout = new GridBagLayout();
GridBagConstraints layoutConstraints = new
GridBagConstraints();
setLayout(layout);
input = new JTextArea();
layoutConstraints.gridx = 0; layoutConstraints.gridy =
0;
layoutConstraints.gridwidth = 1; layoutConstraints.gridheight = 1;
layoutConstraints.fill = GridBagConstraints.BOTH;
layoutConstraints.insets = new Insets(0,0,0,0);
layoutConstraints.anchor = GridBagConstraints.CENTER;
layoutConstraints.weightx = 1.0; layoutConstraints.weighty
= 50.0;
JScrollPane scroll = new
JScrollPane(input,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
layout.setConstraints(scroll,layoutConstraints);
scroll.setBorder(BorderFactory.createLineBorder(Color.BLACK,1));
add(scroll);
encodeButton = new JButton("Encode Now");
layoutConstraints.gridx = 0; layoutConstraints.gridy = 1;
layoutConstraints.insets = new Insets(0,-5,-5,-5);

= 1.0;
layout.setConstraints(encodeButton,layoutConstraints);
add(encodeButton);
//set basic display
setBackground(Color.lightGray);
setBorder(BorderFactory.createLineBorder(Color.BLACK,1));
}
}
/*
*Class Image_Panel
*/
private class Image_Panel extends JPanel
{
/*
*Constructor for displaying an image to be decoded
*/
public Image_Panel()
{
setLayout(layout);
image_input = new JLabel();
0;
= 50.0;
JScrollPane scroll2 = new
JScrollPane(image_input,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,

layout.setConstraints(scroll2,layoutConstraints);
scroll2.setBorder(BorderFactory.createLineBorder(Color.BLACK,1));
image_input.setHorizontalAlignment(JLabel.CENTER);
add(scroll2);
decodeButton = new JButton("Decode Now");
= 1.0;
layout.setConstraints(decodeButton,layoutConstraints);
add(decodeButton);
//set basic display
}
}
/*
*Main Method for testing
*/
public static void main(String args[])
{
new Steganography_View("Steganography");
}
}
Solution
import java.awt.Color;

import java.awt.Insets;
import java.awt.Container;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import javax.swing.JMenu;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JButton;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JTextArea;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;
import javax.swing.BorderFactory;
/*
*Class Steganography_View
*/
public class Steganography_View extends JFrame
{
//size variables for window
private static int WIDTH = 500;
private static int HEIGHT = 400;
//elements for JPanel
private JTextArea input;
private JScrollBar scroll,scroll2;
private JButton encodeButton,decodeButton;
private JLabel image_input;
//elements for Menu
private JMenu file;
private JMenuItem encode;
private JMenuItem decode;
private JMenuItem exit;
/*
*Constructor for Steganography_View class

*@param name Used to set the title on the JFrame
*/
public Steganography_View(String name)
{
//set the title of the JFrame
super(name);
//Menubar
JMenuBar menu = new JMenuBar();
JMenu file = new JMenu("File"); file.setMnemonic('F');
encode = new JMenuItem("Encode"); encode.setMnemonic('E');
file.add(encode);
decode = new JMenuItem("Decode"); decode.setMnemonic('D');
file.add(decode);
file.addSeparator();
exit = new JMenuItem("Exit"); exit.setMnemonic('x'); file.add(exit);
menu.add(file);
setJMenuBar(menu);
// display rules
setResizable(true);//allow window to be resized: true?false
setBackground(Color.lightGray); /background color of window:
Color(int,int,int) setLocation(100,100); //location on the screen to display
window
setDefaultCloseOperation(EXIT_ON_CLOSE);//what to do on close operation: exit,
do_nothing, etc
setSize(WIDTH,HEIGHT); //set the size of the window
setVisible(true); //show the window: true?false
}
/*
*@return The menu item 'Encode'
*/
public JMenuItem getEncode() { return encode;
}
/*
*@return The menu item 'Decode'
*/
public JMenuItem getDecode() { return decode;

}
/*
*@return The menu item 'Exit'
*/
public JMenuItem getExit() { return
exit; }
/*
*@return The TextArea containing the text to encode
*/
public JTextArea getText() { return
input; }
/*
*@return The JLabel containing the image to decode text from
*/
public JLabel getImageInput() { return image_input;
}
/*
*@return The JPanel displaying the Encode View
*/
public JPanel getTextPanel() { return new Text_Panel(); }
/*
*@return The JPanel displaying the Decode View
*/
public JPanel getImagePanel() { return new Image_Panel(); }
/*
*@return The Encode button
*/
public JButton getEButton() { return encodeButton; }
/*
*@return The Decode button
*/
public JButton getDButton() { return decodeButton; }
/*
*Class Text_Panel
*/
private class Text_Panel extends JPanel

{
/*
*Constructor to enter text to be encoded
*/
public Text_Panel()
{
setLayout(layout);
input = new JTextArea();
0;
= 50.0;
JScrollPane scroll = new
JScrollPane(input,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
layout.setConstraints(scroll,layoutConstraints);
scroll.setBorder(BorderFactory.createLineBorder(Color.BLACK,1));
add(scroll);
encodeButton = new JButton("Encode Now");
= 1.0;

layout.setConstraints(encodeButton,layoutConstraints);
add(encodeButton);
//set basic display
}
}
/*
*Class Image_Panel
*/
private class Image_Panel extends JPanel
{
/*
*Constructor for displaying an image to be decoded
*/
public Image_Panel()
{
setLayout(layout);
image_input = new JLabel();
0;
= 50.0;
JScrollPane scroll2 = new
JScrollPane(image_input,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
layout.setConstraints(scroll2,layoutConstraints);

scroll2.setBorder(BorderFactory.createLineBorder(Color.BLACK,1));
image_input.setHorizontalAlignment(JLabel.CENTER);
add(scroll2);
decodeButton = new JButton("Decode Now");
= 1.0;
layout.setConstraints(decodeButton,layoutConstraints);
add(decodeButton);
//set basic display
}
}
/*
*Main Method for testing
*/
public static void main(String args[])
{
new Steganography_View("Steganography");
}
}

import java.awt.Color;import java.awt.Insets;import java.awt.Con.pdf

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