TransferDialogpublic class TransferDialog extends Dialog implements ActionListener, TextListener
| Fields Summary |
|---|
| private bank.server.RemoteAccount | account | | private Choice | account_choice | | private Label | account_label | | private TextField | amount_field | | private Label | amount_label | | private bank.server.RemoteCustomer | customer | | private Button | ok_button | | private Button | cancel_button |
| Constructors Summary |
|---|
public TransferDialog(Frame parent, boolean modal, bank.server.RemoteAccount acct)
super(parent, modal);
setTitle("Transfer Funds");
setLayout(null);
addNotify();
resize(insets().left + insets().right + 284,insets().top +
insets().bottom + 149);
setBackground(new Color(12632256));
try {
account = acct;
customer = account.getCustomer();
{ // amount
amount_label = new Label("Amount:",Label.RIGHT);
amount_label.reshape(insets().left + 48,insets().top + 12,
60, 24);
add(amount_label);
amount_field = new TextField();
amount_field.addTextListener(this);
amount_field.reshape(insets().left + 120,insets().top + 12,
120, 24);
add(amount_field);
}
{ // account ID
RemoteAccount[] accts = customer.getAccounts();
account_label = new Label("To account:");
account_label.reshape(insets().left + 24,insets().top + 48,
84, 24);
add(account_label);
account_choice = new Choice();
for(int i=0; i<accts.length; i++) {
if( accts[i].hashCode() == account.hashCode() ) {
continue;
}
account_choice.addItem("" + accts[i].getId());
}
if( accts.length < 2 ) {
ok_button.enable(false);
}
add(account_choice);
account_choice.reshape(insets().left + 120,insets().top + 48,
120, 21);
}
{ // buttons
ok_button = new Button("OK");
ok_button.addActionListener(this);
ok_button.reshape(insets().left + 60,insets().top + 108,60,24);
add(ok_button);
cancel_button = new Button("Cancel");
cancel_button.addActionListener(this);
cancel_button.reshape(insets().left + 168,insets().top + 108,
60, 24);
add(cancel_button);
}
}
catch( RemoteException e ) {
e.printStackTrace();
}
|
| Methods Summary |
|---|
| public synchronized void | actionPerformed(java.awt.event.ActionEvent event)
hide();
if( event.getSource() == ok_button ) {
BankClient frame = (BankClient)getParent();
RemoteAccount[] accts;
float amount;
int id;
try {
id = Integer.parseInt(account_choice.getSelectedItem());
amount = (Float.valueOf(amount_field.getText())).floatValue();
}
catch( NumberFormatException e ) {
e.printStackTrace();
return;
}
try {
accts = customer.getAccounts();
for(int i=0; i<accts.length; i++) {
if( accts[i].getId() == id ) {
frame.transfer(amount, account, accts[i]);
return;
}
}
}
catch( RemoteException e ) {
e.printStackTrace();
return;
}
}
| | public synchronized void | textValueChanged(java.awt.event.TextEvent event)
String txt = amount_field.getText();
float amount;
if( txt.length() < 1 ) {
ok_button.enable(false);
return;
}
try {
String sel = account_choice.getSelectedItem();
amount = (Float.valueOf(txt)).floatValue();
if( sel != null && sel.length() > 0 ) {
ok_button.enable(true);
}
else {
ok_button.enable(false);
}
}
catch( NumberFormatException e ) {
ok_button.enable(false);
}
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