DefaultLoginDialog.java

   1 package org.argeo.security.ui.dialogs;
   2
   3 import javax.security.auth.callback.Callback;
   4 import javax.security.auth.callback.NameCallback;
   5 import javax.security.auth.callback.PasswordCallback;
   6 import javax.security.auth.callback.TextOutputCallback;
   7
   8 import org.eclipse.swt.SWT;
   9 import org.eclipse.swt.events.ModifyEvent;
  10 import org.eclipse.swt.events.ModifyListener;
  11 import org.eclipse.swt.graphics.Point;
  12 import org.eclipse.swt.layout.GridData;
  13 import org.eclipse.swt.layout.GridLayout;
  14 import org.eclipse.swt.widgets.Composite;
  15 import org.eclipse.swt.widgets.Control;
  16 import org.eclipse.swt.widgets.Display;
  17 import org.eclipse.swt.widgets.Label;
  18 import org.eclipse.swt.widgets.Shell;
  19 import org.eclipse.swt.widgets.Text;
  20
  21 public class DefaultLoginDialog extends AbstractLoginDialog {
  22
  23         public DefaultLoginDialog() {
  24                 this(Display.getCurrent().getActiveShell());
  25         }
  26
  27         protected DefaultLoginDialog(Shell parentShell) {
  28                 super(parentShell);
  29         }
  30
  31         protected Point getInitialSize() {
  32                 return new Point(300, 180);
  33         }
  34
  35         protected Control createDialogArea(Composite parent) {
  36                 Composite dialogarea = (Composite) super.createDialogArea(parent);
  37                 Composite composite = new Composite(dialogarea, SWT.NONE);
  38                 composite.setLayout(new GridLayout(2, false));
  39                 composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
  40                 createCallbackHandlers(composite);
  41                 parent.pack();
  42                 return composite;
  43         }
  44
  45         private void createCallbackHandlers(Composite composite) {
  46                 Callback[] callbacks = getCallbacks();
  47                 for (int i = 0; i < callbacks.length; i++) {
  48                         Callback callback = callbacks[i];
  49                         if (callback instanceof TextOutputCallback) {
  50                                 createTextoutputHandler(composite,
  51                                                 (TextOutputCallback) callback);
  52                         } else if (callback instanceof NameCallback) {
  53                                 createNameHandler(composite, (NameCallback) callback);
  54                         } else if (callback instanceof PasswordCallback) {
  55                                 createPasswordHandler(composite, (PasswordCallback) callback);
  56                         }
  57                 }
  58         }
  59
  60         private void createPasswordHandler(Composite composite,
  61                         final PasswordCallback callback) {
  62                 Label label = new Label(composite, SWT.NONE);
  63                 label.setText(callback.getPrompt());
  64                 final Text passwordText = new Text(composite, SWT.SINGLE | SWT.LEAD
  65                                 | SWT.PASSWORD | SWT.BORDER);
  66                 passwordText
  67                                 .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  68                 passwordText.addModifyListener(new ModifyListener() {
  69
  70                         public void modifyText(ModifyEvent event) {
  71                                 callback.setPassword(passwordText.getText().toCharArray());
  72                         }
  73                 });
  74         }
  75
  76         private void createNameHandler(Composite composite,
  77                         final NameCallback callback) {
  78                 Label label = new Label(composite, SWT.NONE);
  79                 label.setText(callback.getPrompt());
  80                 final Text text = new Text(composite, SWT.SINGLE | SWT.LEAD
  81                                 | SWT.BORDER);
  82                 text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  83                 text.addModifyListener(new ModifyListener() {
  84
  85                         public void modifyText(ModifyEvent event) {
  86                                 callback.setName(text.getText());
  87                         }
  88                 });
  89         }
  90
  91         private void createTextoutputHandler(Composite composite,
  92                         TextOutputCallback callback) {
  93                 // TODO: find a way to pass this information
  94                 // int messageType = callback.getMessageType();
  95                 // int dialogMessageType = IMessageProvider.NONE;
  96                 // switch (messageType) {
  97                 // case TextOutputCallback.INFORMATION:
  98                 // dialogMessageType = IMessageProvider.INFORMATION;
  99                 // break;
 100                 // case TextOutputCallback.WARNING:
 101                 // dialogMessageType = IMessageProvider.WARNING;
 102                 // break;
 103                 // case TextOutputCallback.ERROR:
 104                 // dialogMessageType = IMessageProvider.ERROR;
 105                 // break;
 106                 // }
 107                 // setMessage(callback.getMessage(), dialogMessageType);
 108         }
 109
 110         public void internalHandle() {
 111         }
 112 }