예제 #1
0
  public void connectItems(String query)
        // PRE:  query must be initialized
        // POST: Updates the list of Items based on the query.
      {
    String driver = "org.apache.derby.jdbc.ClientDriver"; // Driver for DB
    String url = "jdbc:derby://localhost:1527/ShopDataBase"; // Url for DB
    String user = "******"; // Username for db
    String pass = "******"; // Password for db
    Connection myConnection; // Connection obj to db
    Statement stmt; // Statement to execute a result appon
    ResultSet results; // A set containing the returned results
    int rowcount; // Num objects in the resultSet
    int i; // Index for the array

    try { // Try connection to db

      Class.forName(driver).newInstance(); // Create our db driver

      myConnection = DriverManager.getConnection(url, user, pass); // Initalize our connection

      stmt =
          myConnection.createStatement(
              ResultSet.TYPE_SCROLL_INSENSITIVE,
              ResultSet.CONCUR_UPDATABLE); // Create a new statement
      results = stmt.executeQuery(query); // Store the results of our query

      rowcount = 0;
      if (results.last()) // Go to the last result
      {
        rowcount = results.getRow();
        results.beforeFirst();
      }
      itemsArray = new Item[rowcount];

      i = 0;
      while (results.next()) // Itterate through the results set
      {
        itemsArray[i] =
            new Item(
                results.getInt("item_id"),
                results.getString("item_name"),
                results.getString("item_type"),
                results.getInt("price"),
                results.getInt("owner_id"),
                results.getString("item_path")); // Creat new Item
        i++;
      }

      results.close(); // Close the ResultSet
      stmt.close(); // Close the statement
      myConnection.close(); // Close the connection to db

    } catch (Exception e) // Cannot connect to db
    {
      System.err.println(e.toString());
      System.err.println("Error, something went horribly wrong in connectItems!");
    }
  }
예제 #2
0
  public void setContent(String cat) {
    cat = cat.trim();
    selectAllCB.setVisible(false);
    selectAllCB.setSelected(false);
    deleteBut.setVisible(false);
    restoreBut.setVisible(false);
    refreshBut.setVisible(true);
    Object columns[] = null;
    int count = 0;
    switch (cat) {
      case "Inbox":
        columns = new Object[] {"", "From", "Date", "Subject", "Content"};
        count = Database.getCount("Inbox");
        workingSet = db.getData("SELECT * FROM messages WHERE tag='inbox' ORDER BY msg_id desc");
        ;
        break;
      case "SentMail":
        columns = new Object[] {"", "To", "Date", "Subject", "Content"};
        count = Database.getCount("Sentmail");
        workingSet = db.getData("SELECT * FROM messages WHERE tag='sentmail' ORDER BY msg_id desc");
        break;
      case "Draft":
        columns = new Object[] {"", "To", "Date", "Subject", "Content"};
        count = Database.getCount("Draft");
        workingSet = db.getData("SELECT * FROM messages WHERE tag='draft' ORDER BY msg_id desc");
        break;
      case "Outbox":
        columns = new Object[] {"", "To", "Date", "Subject", "Content"};
        count = Database.getCount("Outbox");
        workingSet = db.getData("SELECT * FROM messages WHERE tag='outbox' ORDER BY msg_id desc");
        break;
      case "Trash":
        //                restoreBut.setVisible(true);
        columns = new Object[] {"", "To/From", "Date", "Subject", "Content"};
        count = Database.getCount("Trash");
        workingSet =
            db.getData(
                "SELECT * FROM messages,trash WHERE messages.tag='trash' and messages.msg_id=trash.msg_id ORDER BY deleted_at desc");
        break;
      default:
        System.out.println("in default case");
    }
    if (count > 0) {
      selectAllCB.setVisible(true);
      rows = new Object[count][];
      msgID = new int[count];
      try {
        workingSet.beforeFirst();
        for (int i = 0; i < count && workingSet.next(); i++) {
          msgID[i] = workingSet.getInt(1);
          rows[i] =
              new Object[] {
                false,
                workingSet.getString(2),
                workingSet.getDate(3),
                workingSet.getString(4),
                workingSet.getString(5)
              };
        }
      } catch (SQLException sqlExc) {
        JOptionPane.showMessageDialog(null, sqlExc, "EXCEPTION", JOptionPane.ERROR_MESSAGE);
        sqlExc.printStackTrace();
      }

      tableModel = new MyDefaultTableModel(rows, columns);
      table = new JTable(tableModel);
      table.getSelectionModel().addListSelectionListener(this);
      table.addMouseListener(this);
      table.getTableHeader().setOpaque(true);
      table.getTableHeader().setReorderingAllowed(false);
      //            table.getTableHeader().setBackground(Color.blue);
      table.getTableHeader().setForeground(Color.blue);
      //        table.setRowSelectionAllowed(false);
      //            table.setColumnSelectionAllowed(false);
      table.setFont(new Font(Font.SANS_SERIF, Font.PLAIN, 14));
      table.setRowHeight(20);
      table.setFillsViewportHeight(true);

      TableColumn column = null;
      for (int i = 0; i < 5; i++) {
        column = table.getColumnModel().getColumn(i);
        if (i == 0) {
          column.setPreferredWidth(6);
        } else if (i == 3) {
          column.setPreferredWidth(250);
        } else if (i == 4) {
          column.setPreferredWidth(450);
        } else {
          column.setPreferredWidth(40);
        }
      }
      table.setAutoResizeMode(JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS);

      remove(contentPan);
      contentPan = new JScrollPane(table);
      contentPan.setBackground(Color.orange);
      contentPan.setOpaque(true);
      contentPan.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
      add(contentPan, "Center");
      Home.home.homeFrame.setVisible(true);
    } else {
      JPanel centPan = new JPanel(new GridBagLayout());
      centPan.setBackground(new Color(52, 86, 70));
      JLabel label = new JLabel("No Messages In This Category");
      label.setFont(new Font(Font.SANS_SERIF, Font.BOLD, 22));
      label.setForeground(Color.orange);
      centPan.add(label);
      remove(contentPan);
      contentPan = new JScrollPane(centPan);
      contentPan.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
      add(contentPan, "Center");
      contentPan.repaint();
    }
  }