gui.java

一个简单的数据库

/*
 * GUI.java
 *
 * Created on 2008年10月27日, 上午9:27
 */

package test;
import apiManager.*;
import interpreterManager.*;
import database.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JFileChooser;
import javax.swing.UnsupportedLookAndFeelException;
import stringManager.*;
import java.io.*;
import java.util.ArrayList;
import javax.swing.UIManager;
/**
 *
 * @author  outlaw
 */
public class GUI extends javax.swing.JFrame {

    /** Creates new form GUI */
    public GUI()  {
        initComponents();
        try {
            init();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        command = new javax.swing.JTextArea();
        jScrollPane2 = new javax.swing.JScrollPane();
        result = new javax.swing.JTextArea();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        start = new javax.swing.JButton();
        jScrollPane3 = new javax.swing.JScrollPane();
        history = new javax.swing.JTextArea();
        jLabel3 = new javax.swing.JLabel();
        jMenuBar1 = new javax.swing.JMenuBar();
        jMenu1 = new javax.swing.JMenu();
        open = new javax.swing.JMenuItem();
        jMenu2 = new javax.swing.JMenu();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setResizable(false);
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                formWindowClosing(evt);
            }
        });

        command.setColumns(20);
        command.setRows(5);
        jScrollPane1.setViewportView(command);

        result.setColumns(20);
        result.setRows(5);
        jScrollPane2.setViewportView(result);

        jLabel1.setFont(new java.awt.Font("新宋体", 0, 12)); // NOI18N
        jLabel1.setText("请输入命令");

        jLabel2.setText("以下是结果");

        start.setText("执行");
        start.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                startActionPerformed(evt);
            }
        });

        history.setColumns(20);
        history.setRows(5);
        jScrollPane3.setViewportView(history);

        jLabel3.setText("历史记录");

        jMenu1.setText("文件");

        open.setText("打开文件");
        open.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                openActionPerformed(evt);
            }
        });
        jMenu1.add(open);

        jMenuBar1.add(jMenu1);

        jMenu2.setText("操作");
        jMenuBar1.add(jMenu2);

        setJMenuBar(jMenuBar1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addGap(440, 440, 440)
                        .addComponent(jScrollPane3, javax.swing.GroupLayout.DEFAULT_SIZE, 342, Short.MAX_VALUE))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 675, Short.MAX_VALUE)
                        .addGap(18, 18, 18)
                        .addComponent(start, javax.swing.GroupLayout.PREFERRED_SIZE, 79, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(169, 169, 169)
                        .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 102, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 311, Short.MAX_VALUE)
                        .addComponent(jLabel3)
                        .addGap(152, 152, 152)))
                .addGap(17, 17, 17))
            .addGroup(layout.createSequentialGroup()
                .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 408, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(391, Short.MAX_VALUE))
            .addGroup(layout.createSequentialGroup()
                .addGap(290, 290, 290)
                .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 181, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(328, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 18, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(10, 10, 10)
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 163, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jLabel3)
                            .addComponent(jLabel2)))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(100, 100, 100)
                        .addComponent(start)))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 220, Short.MAX_VALUE)
                    .addComponent(jScrollPane3, javax.swing.GroupLayout.DEFAULT_SIZE, 220, Short.MAX_VALUE))
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents
public void init() throws Exception
{
    APIManager.open();
}
public void close() throws Exception
{
    APIManager.close(history.getText());
}
public void start(String command) throws Exception 
{
    ArrayList<String> commands=Interpreter.engine(command);
    for(int i=0;i<commands.size();i++)
    {
        try
        {
            Interpreter.dispatchInstr(commands.get(i));
        }
        catch(OperationInfo op)
        {
            result.append(op.toString()+"\n");
            //op.printStackTrace();
        }catch(Success suc)
        {
            result.append(suc.toString()+"\n");
            //suc.printStackTrace();
        }catch(Quit q)
        {
            quit();
        }
        catch(Exception ex)
        {
            ex.printStackTrace();
        }
        result.append("===================================================\n");
    }
    
}
private void startActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_startActionPerformed
// TODO add your handling code here:
    String com=command.getText();
    command.setText("");
    history.append(com+"\n");
    try 
    {
        start(com);
    } catch (Exception ex) 
    {
       ex.printStackTrace();
    }   
}//GEN-LAST:event_startActionPerformed

private void quit() throws Exception
{
    close();
    System.exit(0);
}
private void openActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_openActionPerformed
// TODO add your handling code here
    JFileChooser chooser=new JFileChooser();
    int target=chooser.showOpenDialog(this);
    
    if(target==JFileChooser.APPROVE_OPTION)
    {
        try
        {
            command.setText("");
            File file=chooser.getSelectedFile();
            FileInputStream fis=new FileInputStream(file);
            Reader r=new InputStreamReader(fis);
            BufferedReader br=new BufferedReader(r);
            String data=null;
            while((data=br.readLine())!=null)
            {
                command.append(data+"\n");
            }
        }catch(Exception ex)
        {
            ex.printStackTrace();
        }
    }
}//GEN-LAST:event_openActionPerformed

private void formWindowClosing(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formWindowClosing
        try {
// TODO add your handling code here:
            close();
        } catch (Exception ex) {//GEN-LAST:event_formWindowClosing
            ex.printStackTrace();
        }
}

    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new GUI().setVisible(true);
            }
        });
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JTextArea command;
    private javax.swing.JTextArea history;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JMenu jMenu1;
    private javax.swing.JMenu jMenu2;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JScrollPane jScrollPane3;
    private javax.swing.JMenuItem open;
    private javax.swing.JTextArea result;
    private javax.swing.JButton start;
    // End of variables declaration//GEN-END:variables

}