A second GUI - An Introduction to Graphical User Interfaces with Java Swing - page 41

result of the analysis (the text in upper case and the number of 'E's in it) is then
acquired from the text analysis model by calling the appropriate get -methods of
the TextAnalysisModel . The results are displayed and the text in the text field is
erased, i.e. replaced by the empty string.
We now list the two classes defining the view.

File: its/TextAnalysisGUI/TextAnalysisFrame.java

1.

package its.TextAnalysisGUI;

2.
3.

import its.SimpleFrame.SimpleFrame;

import java.awt.*; 4.

import javax.swing.JButton; 5.

6.
7.

public class TextAnalysisFrame extends SimpleFrame

{ 8.

public TextAnalysisFrame() 9.

{ 10.

11.

this .setSize(300,150);

12.

TextAnalysisPanel taPanel = new TextAnalysisPanel();

13.

this .getContentPane().add(taPanel,BorderLayout.CENTER);

14.

JButton analyseButton = new JButton("Analyse");

15.

analyseButton.setBackground(Color.blue);

16.

analyseButton.setForeground(Color.yellow);

17.

this .getContentPane().add(analyseButton,BorderLayout.SOUTH);

18.
19. TextAnalysisListener taList = new TextAnalysisListener(taPanel);

20.
21.

analyseButton.addActionListener(taList);

22.

}

23.
24. }

File: its/TextAnalysisGUI/TextAnalysisPanel.java

package its.TextAnalysisGUI; 1.

2.
3.

import java.awt.Color;

import java.awt.GridLayout; 4.

import javax.swing.JLabel; 5.

import javax.swing.JPanel; 6.

import javax.swing.JTextField; 7.