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1 package org.prevayler.demos.demo2.gui;
2
3 import org.prevayler.Prevayler;
4 import org.prevayler.demos.demo2.business.*;
5 import org.prevayler.demos.demo2.business.transactions.*;
6 import javax.swing.*;
7 import javax.swing.event.*;
8 import java.awt.*;
9 import java.awt.event.*;
10
11 class AllAccountsFrame extends JInternalFrame implements BankListener, AccountListener {
12
13 private final Prevayler _prevayler;
14 private final JList accountList;
15
16 AllAccountsFrame(Prevayler prevayler, Container container) {
17 super("All Accounts", true); _prevayler = prevayler;
19
20 accountList = new JList();
21 accountList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
22 bank().setBankListener(this);
23 listenToAccounts();
24 refreshAccounts();
25
26 container.add(this);
27 getContentPane().add(new JScrollPane(accountList), BorderLayout.CENTER);
28 getContentPane().add(accountButtons(), BorderLayout.SOUTH);
29
30 setBounds(10,10,330,240);
31 show();
32 }
33
34 private void listenToAccounts() {
35 java.util.Iterator  it = accounts().iterator();
36 while (it.hasNext()) {
37 ((Account)it.next()).addAccountListener(this);
38 }
39 }
40
41 private void refreshAccounts() {
42 accountList.setListData(accounts().toArray());
43 }
44
45 private java.util.List accounts() {
46 return bank().accounts();
47 }
48
49 private Bank bank() {
50 return (Bank)_prevayler.prevalentSystem();
51 }
52
53 public void accountCreated(Account a) { a.addAccountListener(this);
55 refreshAccounts();
56 }
57
58 public void accountDeleted(Account a) { a.removeAccountListener(this);
60 refreshAccounts();
61 }
62
63 public void accountChanged() { refreshAccounts();
65 }
66
67 private JPanel accountButtons() {
68 JPanel result = new JPanel();
69
70 result.add(new JButton(new AccountCreation()));
71 result.add(new JButton(new AccountEditAction()));
72 result.add(new JButton(new AccountDeleteAction()));
73
74 return result;
75 }
76
77 class AccountCreation extends AbstractAction {
78
79 AccountCreation() {
80 super("Create");
81 }
82
83 public void actionPerformed(ActionEvent e) {
84 new NewAccountFrame(_prevayler, getDesktopPane());
85 }
86
87 }
88
89 abstract class SelectedAccountAction extends RobustAction implements ListSelectionListener {
90
91 SelectedAccountAction(String name) {
92 super(name);
93 refreshEnabled();
94 accountList.addListSelectionListener(this);
95 }
96
97 private void refreshEnabled() {
98 this.setEnabled(accountList.getSelectedValue() != null);
99 }
100
101 public void valueChanged(ListSelectionEvent event) {
102 refreshEnabled();
103 }
104
105 protected void action() throws Exception {
106 action((Account)accountList.getSelectedValue());
107 }
108
109 abstract void action(Account account) throws Exception ;
110 }
111
112 class AccountEditAction extends SelectedAccountAction {
113
114 AccountEditAction() {
115 super("Edit");
116 }
117
118 void action(Account account) {
119 new AccountEditFrame(account, _prevayler, getDesktopPane());
120 }
121 }
122
123 class AccountDeleteAction extends SelectedAccountAction {
124
125 AccountDeleteAction() {
126 super("Delete");
127 }
128
129 void action(Account account) throws Exception {
130 int option = JOptionPane.showConfirmDialog(null, "Delete selected account?", "Account Deletion", JOptionPane.YES_NO_OPTION);
131 if (option != JOptionPane.YES_OPTION) return;
132
133 _prevayler.execute(new AccountDeletion(account));
134 }
135
136 }
137
138 } |
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