bomb/Setting.java at master · levalup/bomb · GitHub

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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Setting extends JDialog implements ActionListener {
    private BombTable table;
    private Box baseBox, rowBox, colBox, bombBox, buttonBox;
    private JTextField rowField, colField, bombField;
    private JButton okButton, cancelButton;
    private LimitedDocument rowDocument, colDocument, bombDocument;
    private Setting(JFrame frame) {
        super(frame, true);
        this.setLocation(frame.getLocation().x + 100, frame.getLocation().y + 100);
        setTitle("设置");

        rowDocument = new LimitedDocument(8);    //参数为能输入的最大长度
        rowDocument.setAllowChar("0123456789");    //只能输入的字符
        colDocument = new LimitedDocument(8);
        colDocument.setAllowChar("0123456789");
        bombDocument = new LimitedDocument(8);
        bombDocument.setAllowChar("0123456789");

        baseBox = Box.createVerticalBox();
        rowBox = Box.createHorizontalBox();
        colBox = Box.createHorizontalBox();
        bombBox = Box.createHorizontalBox();
        buttonBox = Box.createHorizontalBox();
        rowField = new JTextField(10);
        rowField.setDocument(rowDocument);
        colField = new JTextField(10);
        colField.setDocument(colDocument);
        bombField = new JTextField(10);
        bombField.setDocument(bombDocument);
        okButton = new JButton("确定");
        cancelButton = new JButton("取消");

        baseBox.add(Box.createVerticalStrut(7));
        baseBox.add(rowBox);
        baseBox.add(Box.createVerticalStrut(3));
        baseBox.add(colBox);
        baseBox.add(Box.createVerticalStrut(3));
        baseBox.add(bombBox);
        baseBox.add(Box.createVerticalStrut(3));
        baseBox.add(buttonBox);
        rowBox.add(new JLabel("行数："));
        rowBox.add(rowField);
        colBox.add(new JLabel("列数："));
        colBox.add(colField);
        bombBox.add(new JLabel("雷数："));
        bombBox.add(bombField);
        buttonBox.add(okButton);
        buttonBox.add(Box.createHorizontalStrut(10));
        buttonBox.add(cancelButton);

        setLayout(new FlowLayout(FlowLayout.CENTER));
        add(baseBox);
        validate();
        pack();
        setResizable(false);
        setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

        okButton.addActionListener(this);
        cancelButton.addActionListener(this);
    }
    public Setting(BombTable table) {
        this((JFrame)table);
        this.table = table;
    }
    public Setting(BombTable table, int row, int col, int bomb) {
        this(table);
        this.rowField.setText(String.valueOf(row));
        this.colField.setText(String.valueOf(col));
        this.bombField.setText(String.valueOf(bomb));
    }
    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == okButton) {
            if (!check()) return;
            int rowNum = Integer.parseInt(rowField.getText());
            int colNum = Integer.parseInt(colField.getText());
            int bombNum = Integer.parseInt(bombField.getText());
            table.setTable(colNum, rowNum, bombNum);
            table.validate();
            table.pack();
            this.dispose();
        } else if (e.getSource() == cancelButton) {
            this.dispose();
        }
    }
    private boolean check() {
        int rowNum;
        int colNum;
        int bombNum;
        try {
            rowNum = Integer.parseInt(rowField.getText());
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, "行数格式错误",
                        "数据错误", JOptionPane.WARNING_MESSAGE);
            rowField.requestFocus();
            return false;
        }
        try {
            colNum = Integer.parseInt(colField.getText());
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, "列数格式错误",
                        "数据错误", JOptionPane.WARNING_MESSAGE);
            colField.requestFocus();
            return false;
        }
        try {
            bombNum = Integer.parseInt(bombField.getText());
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, "雷数格式错误",
                        "数据错误", JOptionPane.WARNING_MESSAGE);
            bombField.requestFocus();
            return false;
        }
        if (rowNum == 0) {
            JOptionPane.showMessageDialog(this, "行数不能为零",
                        "数据错误", JOptionPane.WARNING_MESSAGE);
            rowField.requestFocus();
            return false;
        } else if (colNum == 0) {
            JOptionPane.showMessageDialog(this, "列数不能为零",
                        "数据错误", JOptionPane.WARNING_MESSAGE);
            colField.requestFocus();
            return false;
        } else if (bombNum ==0) {
            JOptionPane.showMessageDialog(this, "雷数不能为零",
                        "数据错误", JOptionPane.WARNING_MESSAGE);
            bombField.requestFocus();
            return false;
        } else if (bombNum >= rowNum * colNum) {
            JOptionPane.showMessageDialog(this, "雷数过多",
                        "数据错误", JOptionPane.WARNING_MESSAGE);
            bombField.requestFocus();
            return false;
        }
        return true;
    }
}