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1 package org.prevayler.demos.demo2.gui;
2
3 import java.awt.Container  ;
4 import java.awt.event.FocusAdapter ;
5 import java.awt.event.FocusEvent ;
6
7 import javax.swing.Box ;
8 import javax.swing.JButton ;
9 import javax.swing.JList ;
10 import javax.swing.JOptionPane ;
11 import javax.swing.JPanel ;
12 import javax.swing.JScrollPane ;
13 import javax.swing.JTextField ;
14
15 import org.prevayler.Prevayler;
16 import org.prevayler.demos.demo2.business.Account;
17 import org.prevayler.demos.demo2.business.AccountListener;
18 import org.prevayler.demos.demo2.business.transactions.Deposit;
19 import org.prevayler.demos.demo2.business.transactions.HolderChange;
20 import org.prevayler.demos.demo2.business.transactions.Withdrawal;
21
22 class AccountEditFrame extends AccountFrame implements AccountListener {
23
24 private final Account account;
25 private JTextField balanceField;
26 private JList historyList;
27
28 AccountEditFrame(Account account, Prevayler prevayler, Container container) {
29 super("Account " + account.numberString(), prevayler, container);
30
31 this.account = account;
32 account.addAccountListener(this);
33 accountChanged();
34
35 holderField.addFocusListener(new HolderListener());
36
37 setBounds(50,50,306,300);
38 }
39
40 protected void addFields(Box fieldBox) {
41 super.addFields(fieldBox);
42
43 fieldBox.add(gap());
44 fieldBox.add(labelContainer("Transaction History"));
45 historyList = new JList ();
46 historyList.setEnabled(false);
47 fieldBox.add(new JScrollPane (historyList));
48
49 fieldBox.add(gap());
50 fieldBox.add(labelContainer("Balance"));
51 balanceField = new JTextField ();
52 balanceField.setEnabled(false);
53 fieldBox.add(balanceField);
54 }
55
56 protected void addButtons(JPanel buttonPanel) {
57 buttonPanel.add(new JButton (new DepositAction()));
58 buttonPanel.add(new JButton (new WithdrawAction()));
59 buttonPanel.add(new JButton (new TransferAction()));
60 }
61
62 private class DepositAction extends RobustAction {
63
64 DepositAction() {
65 super("Deposit...");
66 }
67
68 public void action() throws Exception {
69 Number amount = enterAmount("Deposit");
70 if (amount == null) return;
71 _prevayler.execute(new Deposit(account, amount.longValue()));
72 }
73 }
74
75 private class WithdrawAction extends RobustAction {
76
77 WithdrawAction() {
78 super("Withdraw...");
79 }
80
81 public void action() throws Exception {
82 Number amount = enterAmount("Withdrawal");
83 if (amount == null) return;
84 _prevayler.execute(new Withdrawal(account, amount.longValue()));
85 }
86 }
87
88 private Number enterAmount(String operation) throws Exception {
89 String amountText = JOptionPane.showInputDialog(null,"Enter amount",operation,JOptionPane.PLAIN_MESSAGE);
90 if (amountText == null) return null;
91 return new Long (parse(amountText));
92 }
93
94 private class TransferAction extends RobustAction {
95
96 TransferAction() {
97 super("Transfer...");
98 }
99
100 public void action() {
101 new TransferFrame(account, _prevayler, getDesktopPane());
102 }
103 }
104
105 public void accountChanged() { holderField.setText(account.holder());
107 historyList.setListData(account.transactionHistory().toArray());
108 balanceField.setText(String.valueOf(account.balance()));
109 }
110
111 private class HolderListener extends FocusAdapter {
112 public void focusLost(FocusEvent e) {
113 if (holderText().equals(account.holder())) return;
114 try {
115 _prevayler.execute(new HolderChange(account, holderText()));
116 } catch (Exception exception) {
117 RobustAction.display(exception);
118 }
119 }
120 }
121 }
122 |
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