问为数独解算器构建GUI (完整的ASCII示例)

EN

public interface SudokuImplementation {

    void goButtonPressed(Integer[][] leftSudokuValues, SudokuController resultAcceptor);
}

    SudokuImplementation sudokuImplementation =
        new YourSuperSudoku(); // <- your implementation

    SudokuView sudokuView = new SudokuView();
    sudokuView.setSudokuImplementation(sudokuImplementation);
    sudokuView.setVisible(true);

import java.awt.*;
import javax.swing.*;
import javax.swing.text.*;
import javax.swing.border.*;
/**
 * View which constructs every component and creates it's own controller.
 */
public class SudokuView extends JFrame {

    SudokuController controller;

    public void setSudokuImplementation(SudokuImplementation listener) {
        controller.setListener(listener);
    }

    /** Creates new form NewJFrame */
    public SudokuView() {
        controller = new SudokuController();
        setTitle("Sudoku Solver 1.0");
        getContentPane().add(createCenterPanel(), BorderLayout.CENTER);
        getContentPane().add(createBottomPanel(), BorderLayout.SOUTH);
        setMinimumSize(new Dimension(600, 300));
        pack();
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }

    private JPanel createBottomPanel() {
        JPanel bottomPanel = new JPanel(new GridBagLayout());
        JLabel leftLabel = createLabel("left");
        JLabel rightLabel = createLabel("right");

        controller.bindLeftLabel(leftLabel);
        controller.bindRightLabel(rightLabel);

        bottomPanel.add(leftLabel, getWholeCellConstraints());
        bottomPanel.add(new JSeparator(JSeparator.VERTICAL));
        bottomPanel.add(rightLabel, getWholeCellConstraints());

        bottomPanel.setBorder(new BevelBorder(BevelBorder.LOWERED));
        return bottomPanel;
    }

    private JLabel createLabel(String text) {
        JLabel label = new JLabel(text);
        label.setHorizontalAlignment(JLabel.CENTER);
        return label;
    }

    private JPanel createCenterPanel() {
        JPanel centerPanel = new JPanel(new GridBagLayout());
        centerPanel.add(createLeftPanel(), getWholeCellConstraints());
        centerPanel.add(createCenterButton(), getPreferredSizeConstraint());
        centerPanel.add(createRightPanel(), getWholeCellConstraints());
        return centerPanel;
    }

    private GridBagConstraints getPreferredSizeConstraint() {
        // default will do
        return new GridBagConstraints();
    }

    private JButton createCenterButton() {
        JButton goButton = new JButton(">");
        controller.bindCenterButton(goButton);
        return goButton;
    }
    private static final Insets sixPixelInset = new Insets(6, 6, 6, 6);

    private JPanel createRightPanel() {
        JPanel rightPanel = create3x3Panel(6);
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                JPanel panel2 = create3x3Panel(2);
                fillPanelWithNonEditable(panel2, i, j);
                rightPanel.add(panel2);

            }
        }
        rightPanel.setBorder(new EmptyBorder(sixPixelInset));
        return rightPanel;
    }

    private JPanel createLeftPanel() {
        JPanel leftPanel = create3x3Panel(6);
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                JPanel panel2 = create3x3Panel(2);
                fillPanelWithEditable(panel2, i, j);
                leftPanel.add(panel2);

            }
        }
        leftPanel.setBorder(new EmptyBorder(sixPixelInset));
        return leftPanel;
    }

    private GridBagConstraints getWholeCellConstraints() {
        GridBagConstraints wholePanelCnstr = getPreferredSizeConstraint();
        wholePanelCnstr.fill = java.awt.GridBagConstraints.BOTH;
        wholePanelCnstr.weightx = 1.0;
        wholePanelCnstr.weighty = 1.0;
        return wholePanelCnstr;
    }

    private void fillPanelWithEditable(JPanel panel, int majorRow, int majorColumn) {
        for (int minorRow = 0; minorRow < 3; minorRow++) {
            for (int minorColumn = 0; minorColumn < 3; minorColumn++) {
                final JFormattedTextField editableField = createEditableField();
                int column = majorColumn * 3 + minorColumn;
                int row = majorRow * 3 + minorRow;
                controller.bindLeftSudokuCell(row, column, editableField);
                panel.add(editableField);
            }
        }
    }

    private void fillPanelWithNonEditable(JPanel panel, int majorRow, int majorColumn) {
        for (int minorRow = 0; minorRow < 3; minorRow++) {
            for (int minorColumn = 0; minorColumn < 3; minorColumn++) {
                final JFormattedTextField editableField = createNonEditableField();
                int column = majorColumn * 3 + minorColumn;
                int row = majorRow * 3 + minorRow;
                controller.bindRightSudokuCell(row, column, editableField);
                panel.add(editableField);
            }
        }
    }

    private JPanel create3x3Panel(int gap) {
        final GridLayout gridLayout = new GridLayout(3, 3, 1, 1);
        gridLayout.setHgap(gap);
        gridLayout.setVgap(gap);
        JPanel panel = new JPanel(gridLayout);
        return panel;
    }

    private JFormattedTextField createNonEditableField() {
        JFormattedTextField field = createEditableField();
        field.setEditable(false);
        field.setBackground(Color.WHITE); // otherwise non-editable gets gray
        return field;
    }

    private JFormattedTextField createEditableField() {
        JFormattedTextField field = new JFormattedTextField();
        // accept only one digit and nothing else
        try {
            field.setFormatterFactory(new DefaultFormatterFactory(new MaskFormatter("#")));
        } catch (java.text.ParseException ex) {
        }
        field.setPreferredSize(new Dimension(16, 30));
        field.setHorizontalAlignment(javax.swing.JTextField.CENTER);
        field.setText(" ");
        field.setBorder(null);
        return field;
    }
}

import java.awt.EventQueue;
import javax.swing.UIManager;

public class SudokuRun implements Runnable {

    public void run() {
        // ******************** here You can swap Your true implementation
        SudokuImplementation sudokuImplementation = new DummySudokuImplementation();
        // ***************************** *************** ********* **** ** *


        SudokuView sudokuView = new SudokuView();
        sudokuView.setSudokuImplementation(sudokuImplementation);
        sudokuView.setVisible(true);
    }

    public static void main(String args[]) {
        tryToSetSystemLookAndFeel();
        EventQueue.invokeLater(new SudokuRun());
    }

    private static void tryToSetSystemLookAndFeel() {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception ex) {
            System.out.println("Couldn't set LAF");
        }
    }
}

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.JButton;
import javax.swing.JFormattedTextField;
import javax.swing.JLabel;

public class SudokuController {

    JLabel leftLabel, rightLabel;
    JFormattedTextField[][] leftSudoku, rightSudoku;
    JButton goButton;

    public SudokuController() {
        leftSudoku = new JFormattedTextField[9][9]; // standard sudoku size
        rightSudoku = new JFormattedTextField[9][9];
    }

    void bindLeftLabel(JLabel label) {
        leftLabel = label;
    }

    void bindRightLabel(JLabel label) {
        rightLabel = label;
    }

    void bindLeftSudokuCell(final int row, final int column, JFormattedTextField field) {
        field.addPropertyChangeListener("value", new PropertyChangeListener() {

            // if user edits field than You could do something about it here
            public void propertyChange(PropertyChangeEvent evt) {
                if (evt.getNewValue() != null) {
                    String newValue = (String) evt.getNewValue();
                    userEditedValueAt(row, column, Integer.valueOf(newValue));
                }
            }
        });
        leftSudoku[row][column] = field;
    }

    void userEditedValueAt(int row, int column, int value) {
        System.out.println("Value changed at row:" + row + ", column:" + column + " to " + value);
    }

    void bindRightSudokuCell(int row, int column, JFormattedTextField field) {
        rightSudoku[row][column] = field;
    }

    void spitOutSudokus() {
        System.out.println("Left:");
        System.out.println(getPrettyPrinted(leftSudoku));
        System.out.println("Right:");
        System.out.println(getPrettyPrinted(rightSudoku));
    }

    private String getPrettyPrinted(JFormattedTextField[][] sudoku) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 9; i++) {
            sb.append("|");
            for (int j = 0; j < 9; j++) {
                if (sudoku[i][j] != null) {
                    sb.append(sudoku[i][j].getText());
                } else {
                    sb.append("-");
                }
                sb.append(" ");
            }
            sb.append("|\n");
        }
        return sb.toString();
    }

    void bindCenterButton(JButton goButton) {
        this.goButton = goButton;
        goButton.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                goButtonPressed();
            }
        });
    }
    SudokuImplementation listener;

    public void setListener(SudokuImplementation listener) {
        this.listener = listener;
    }
    Thread backGroundThread;

    private void goButtonPressed() {
        if (listener != null) {
            if (backGroundThread == null || (backGroundThread != null && !backGroundThread.isAlive())) {
                backGroundThread = new Thread() {

                    @Override
                    public void run() {
                        listener.goButtonPressed(getLeftValues(), SudokuController.this);
                    }
                };
                backGroundThread.start();
            }
        }
    }

    private Integer[][] getLeftValues() {
        Integer[][] values = new Integer[9][9];
        for (int i = 0; i < 9; i++) {
            for (int j = 0; j < 9; j++) {
                if (!leftSudoku[i][j].getText().equals(" ")) {
                    values[i][j] = Integer.valueOf(leftSudoku[i][j].getText());
                }
            }
        }
        return values;
    }

    public void setSudokuResult(final Integer[][] result) {
        // Any GUI interaction must be done on EDT
        // We don't want to block computation so we choose invokeLater
        // as opposed to invokeAndWait.
        EventQueue.invokeLater(new Runnable() {

            public void run() {
                for (int i = 0; i < 9; i++) {
                    for (int j = 0; j < 9; j++) {
                        rightSudoku[i][j].setValue(String.valueOf(result[i][j]));
                    }
                }
            }
        });
    }

    public void setSudokuTime(final String time) {
        EventQueue.invokeLater(new Runnable() {

            public void run() {
                leftLabel.setText("<html>Running time: <b>" + time);
            }
        });
    }

    public void setSudokuCompleted(final boolean completed) {
        EventQueue.invokeLater(new Runnable() {

            public void run() {

                rightLabel.setText("<html>Completely Solved: <b>" + completed);
                if (completed) {
                    spitOutSudokus();
                }

            }
        });
    }
}

public interface SudokuImplementation {

    void goButtonPressed(Integer[][] leftSudokuValues, SudokuController resultAcceptor);
}

import java.util.concurrent.TimeUnit;

/**
 * Simulates Sudoku solver. Demonstrates how to update GUI. The whole
 * implementation is constructed so GUI never freezes.
 */
class DummySudokuImplementation implements SudokuImplementation {

    public DummySudokuImplementation() {
    }

    public void goButtonPressed(Integer[][] leftSudokuValues, SudokuController resultAcceptor) {
        System.out.println("Long running computation simulation...");
        for (int i = 0; i < 50; i++) {
            resultAcceptor.setSudokuCompleted(false);
            resultAcceptor.setSudokuTime(String.valueOf(i * 50) + "ms");
            resultAcceptor.setSudokuResult(getRandomResult());
            waitSomeTime();
        }
        resultAcceptor.setSudokuResult(leftSudokuValues);
        resultAcceptor.setSudokuCompleted(true);
        waitSomeTime();
        System.out.println("Done!");
    }

    private void waitSomeTime() {
        try {
            TimeUnit.MILLISECONDS.sleep(50);
        } catch (InterruptedException ex) {
        }
    }

    private Integer[][] getRandomResult() {
        Integer[][] randomResult = new Integer[9][9];
        for (int i = 0; i < 9; i++) {
            for (int j = 0; j < 9; j++) {
                randomResult[i][j] = (int) (Math.random() * 9);
            }
        }
        return randomResult;
    }
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package sudoku;

import javax.swing.JFrame;
import javax.swing.JPanel;

/**
 *
 * @author nicholasdunn
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        JFrame frame = new JFrame("");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JPanel panel = new JPanel();

        panel.add(new Board());
        panel.add(new JButton(">"));
        panel.add(new Board());
        frame.add(panel);
        frame.pack();
        frame.setVisible(true);
    }
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package sudoku;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.Toolkit;
import javax.swing.BorderFactory;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.PlainDocument;

/**
 *
 * @author nicholasdunn
 */
public class NineSquare extends JPanel {

    // What direction in relation to the center square
    private JTextField nw,n,ne,e,se,s,sw,w,c;
    private JTextField[] fields = new JTextField[]{
        nw,n,ne,e,se,s,sw,w,c
    };
    private static final int BORDER_WIDTH = 5;

    public NineSquare(Color bgColor) {
        setLayout(new GridLayout(3,3));
        initGui();
        setBackground(bgColor);
    }

    private void initGui() {
        for (int i = 0; i < fields.length; i++) {
            fields[i] = new JTextField(1);
            fields[i].setDocument(new NumericalDocument());
            add(fields[i]);
        }
        setBorder(BorderFactory.createMatteBorder(BORDER_WIDTH,BORDER_WIDTH,BORDER_WIDTH,BORDER_WIDTH, Color.BLACK));
    }

    public Dimension getPreferredDimension() {
        return new Dimension(100,100);
    }

    public static class NumericalDocument extends PlainDocument {
        String numbers = "0123456789";
        @Override
        public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
            if (getLength() == 0 && str.length() == 1 && numbers.contains(str)) {
                super.insertString(offs, str, a);
            }
            else {
                Toolkit.getDefaultToolkit().beep();
            }
        }
    }
}

package sudoku;

import java.awt.Color;
import java.awt.GridLayout;
import javax.swing.JPanel;

/**
 *
 * @author nicholasdunn
 */
public class Board extends JPanel {
    private NineSquare[] gridSquares = new NineSquare[9];
    private Color[] bgs = {Color.blue.brighter(), Color.gray};
    public Board() {
        setLayout(new GridLayout(3,3));
        for (int i = 0; i < gridSquares.length; i++) {
            gridSquares[i] = new NineSquare(bgs[i%2]);
            add(gridSquares[i]);
        }
    }
}

public class textBox extends JTextField implements KeyListener{
    public textBox() {
        addKeyListener(this);       
    }

    @Override
    public void keyPressed(KeyEvent e) {
    }

    @Override
    public void keyReleased(KeyEvent e) {
    }

    @Override
    public void keyTyped(KeyEvent ke) {

        //consume the event otherwise the default implementation will add it to the text
        ke.consume(); 

        if (Character.isDigit(ke.getKeyChar())) 
            this.setText(Character.toString(ke.getKeyChar()));
    }
}