setpricedialog.java~9~

基于数据库组件的系统开发的实例

package parkingsystem;

import java.awt.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;

import java.awt.event.*;
import com.borland.dbswing.*;
import com.borland.dx.sql.dataset.*;
import com.borland.dx.dataset.*;

public class SetPriceDialog extends JDialog {
  JPanel panel1 = new JPanel();
  BorderLayout borderLayout2 = new BorderLayout();
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JdbTextField jdbTextField1 = new JdbTextField();
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  Column column1 = new Column();
  JComboBox jComboBox1 = new JComboBox();
  ParameterRow cardtypeparameter = new ParameterRow();
  QueryDataSet queryDataSet2 = new QueryDataSet();
  Column column2 = new Column();


  public SetPriceDialog(Frame frame, String title, boolean modal) {
    super(frame, title, modal);
    try {
      jbInit();
      pack();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  public SetPriceDialog() {
    this(null, "", false);
  }
  private void jbInit() throws Exception {
    panel1.setLayout(xYLayout1);
    this.getContentPane().setLayout(borderLayout2);
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 14));
    jLabel1.setText("卡 类 型：");
    jLabel2.setText("单      价：");
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 14));
    jButton1.setFont(new java.awt.Font("Dialog", 0, 14));
    jButton1.setText("确      定");
    jButton1.addActionListener(new SetPriceDialog_jButton1_actionAdapter(this));
    jButton2.setText("清      空");
    jButton2.addActionListener(new SetPriceDialog_jButton2_actionAdapter(this));
    jButton2.setFont(new java.awt.Font("Dialog", 0, 14));
    panel1.setPreferredSize(new Dimension(400, 300));
    jdbTextField1.setFont(new java.awt.Font("Dialog", 0, 14));
    jdbTextField1.setText("");
    jdbTextField1.setColumnName("Price");
    jdbTextField1.setDataSet(queryDataSet2);
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:microsoft:sqlserver://localhost:1433;DataBaseName=carparkingdb", "sa", "", false, "com.microsoft.jdbc.sqlserver.SQLServerDriver"));
    queryDataSet1.setMetaDataUpdate(MetaDataUpdate.TABLENAME+MetaDataUpdate.PRECISION+MetaDataUpdate.SCALE+MetaDataUpdate.SEARCHABLE);
    queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "select * from cardtype", null, true, Load.ALL));
    column1.setColumnName("CardType");
    column1.setDataType(com.borland.dx.dataset.Variant.STRING);
    column1.setPrecision(10);
    column1.setRowId(true);
    column1.setTableName("cardtype");
    column1.setServerColumnName("CardType");
    column1.setSqlType(12);
    queryDataSet1.setColumns(new Column[] {column1});
    jComboBox1.setFont(new java.awt.Font("Dialog", 0, 14));
    jComboBox1.addActionListener(new SetPriceDialog_jComboBox1_actionAdapter(this));
    column2.setColumnName("CardType");
    column2.setCurrency(false);
    column2.setDataType(com.borland.dx.dataset.Variant.STRING);
    column2.setDefault("0");
    column2.setServerColumnName("NewColumn1");
    column2.setSqlType(0);
    cardtypeparameter.setColumns(new Column[] {column2});
    queryDataSet2.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "select Price from cardtype where CardType=:CardType", cardtypeparameter, true, Load.ALL));
    getContentPane().add(panel1, BorderLayout.CENTER);
    panel1.add(jLabel1,      new XYConstraints(76, 61, 82, 29));
    panel1.add(jButton2, new XYConstraints(212, 190, 93, 30));
    panel1.add(jButton1, new XYConstraints(82, 190, 93, 30));
    panel1.add(jdbTextField1, new XYConstraints(168, 124, 134, 32));
    panel1.add(jLabel2, new XYConstraints(76, 123, 82, 29));
    panel1.add(jComboBox1,      new XYConstraints(168, 60, 134, 32));

    queryDataSet1.open();
    jComboBox1.addItem(queryDataSet1.getString("CardType"));
    if(queryDataSet1.next()){
     jComboBox1.addItem(queryDataSet1.getString("CardType"));
    }
  }

  void jButton1_actionPerformed(ActionEvent e) {
    database1.saveChanges(queryDataSet1);
  }

  void jButton2_actionPerformed(ActionEvent e) {

  }

  void jdbComboBox1_actionPerformed(ActionEvent e) {


    queryDataSet1.refresh();

  }

  void jComboBox1_actionPerformed(ActionEvent e) {
    cardtypeparameter.setString("CardType",jComboBox1.getSelectedItem().toString());
    queryDataSet2.open();
    queryDataSet2.first();
  }
}

class SetPriceDialog_jButton1_actionAdapter implements java.awt.event.ActionListener {
  SetPriceDialog adaptee;

  SetPriceDialog_jButton1_actionAdapter(SetPriceDialog adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}

class SetPriceDialog_jButton2_actionAdapter implements java.awt.event.ActionListener {
  SetPriceDialog adaptee;

  SetPriceDialog_jButton2_actionAdapter(SetPriceDialog adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton2_actionPerformed(e);
  }
}

class SetPriceDialog_jComboBox1_actionAdapter implements java.awt.event.ActionListener {
  SetPriceDialog adaptee;

  SetPriceDialog_jComboBox1_actionAdapter(SetPriceDialog adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jComboBox1_actionPerformed(e);
  }
}