security/plugins/org.argeo.security.ui/src/main/java/org/argeo/security/ui/dialogs/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.jface.dialogs.IMessageProvider;
   9 import org.eclipse.swt.SWT;
  10 import org.eclipse.swt.events.ModifyEvent;
  11 import org.eclipse.swt.events.ModifyListener;
  12 import org.eclipse.swt.graphics.Point;
  13 import org.eclipse.swt.layout.GridData;
  14 import org.eclipse.swt.layout.GridLayout;
  15 import org.eclipse.swt.widgets.Composite;
  16 import org.eclipse.swt.widgets.Control;
  17 import org.eclipse.swt.widgets.Display;
  18 import org.eclipse.swt.widgets.Label;
  19 import org.eclipse.swt.widgets.Shell;
  20 import org.eclipse.swt.widgets.Text;
  21
  22 public class DefaultLoginDialog extends AbstractLoginDialog {
  23
  24         public DefaultLoginDialog() {
  25                 this(Display.getDefault().getActiveShell());
  26         }
  27
  28         protected DefaultLoginDialog(Shell parentShell) {
  29                 super(parentShell);
  30         }
  31
  32         protected Point getInitialSize() {
  33                 return new Point(300, 250);
  34         }
  35
  36         protected Control createDialogArea(Composite parent) {
  37                 Composite dialogarea = (Composite) super.createDialogArea(parent);
  38                 // dialogarea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
  39                 // true));
  40                 Composite composite = new Composite(dialogarea, SWT.NONE);
  41                 composite.setLayout(new GridLayout(2, false));
  42                 composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
  43                 createCallbackHandlers(composite);
  44                 parent.pack();
  45                 return composite;
  46         }
  47
  48         private void createCallbackHandlers(Composite composite) {
  49                 Callback[] callbacks = getCallbacks();
  50                 for (int i = 0; i < callbacks.length; i++) {
  51                         Callback callback = callbacks[i];
  52                         if (callback instanceof TextOutputCallback) {
  53                                 createTextoutputHandler(composite,
  54                                                 (TextOutputCallback) callback);
  55                         } else if (callback instanceof NameCallback) {
  56                                 createNameHandler(composite, (NameCallback) callback);
  57                         } else if (callback instanceof PasswordCallback) {
  58                                 createPasswordHandler(composite, (PasswordCallback) callback);
  59                         }
  60                 }
  61         }
  62
  63         private void createPasswordHandler(Composite composite,
  64                         final PasswordCallback callback) {
  65                 Label label = new Label(composite, SWT.NONE);
  66                 label.setText(callback.getPrompt());
  67                 final Text passwordText = new Text(composite, SWT.SINGLE | SWT.LEAD
  68                                 | SWT.PASSWORD | SWT.BORDER);
  69                 passwordText
  70                                 .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  71                 passwordText.addModifyListener(new ModifyListener() {
  72
  73                         public void modifyText(ModifyEvent event) {
  74                                 callback.setPassword(passwordText.getText().toCharArray());
  75                         }
  76                 });
  77         }
  78
  79         private void createNameHandler(Composite composite,
  80                         final NameCallback callback) {
  81                 Label label = new Label(composite, SWT.NONE);
  82                 label.setText(callback.getPrompt());
  83                 final Text text = new Text(composite, SWT.SINGLE | SWT.LEAD
  84                                 | SWT.BORDER);
  85                 text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  86                 text.addModifyListener(new ModifyListener() {
  87
  88                         public void modifyText(ModifyEvent event) {
  89                                 callback.setName(text.getText());
  90                         }
  91                 });
  92         }
  93
  94         private void createTextoutputHandler(Composite composite,
  95                         TextOutputCallback callback) {
  96                 int messageType = callback.getMessageType();
  97                 int dialogMessageType = IMessageProvider.NONE;
  98                 switch (messageType) {
  99                 case TextOutputCallback.INFORMATION:
 100                         dialogMessageType = IMessageProvider.INFORMATION;
 101                         break;
 102                 case TextOutputCallback.WARNING:
 103                         dialogMessageType = IMessageProvider.WARNING;
 104                         break;
 105                 case TextOutputCallback.ERROR:
 106                         dialogMessageType = IMessageProvider.ERROR;
 107                         break;
 108                 }
 109                 setMessage(callback.getMessage(), dialogMessageType);
 110         }
 111
 112         public void internalHandle() {
 113         }
 114 }