org.argeo.cms.ui/src/org/argeo/cms/widgets/auth/DefaultLoginDialog.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.cms.widgets.auth;
  17
  18 import javax.security.auth.callback.CallbackHandler;
  19
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.graphics.Point;
  22 import org.eclipse.swt.graphics.Rectangle;
  23 import org.eclipse.swt.layout.GridData;
  24 import org.eclipse.swt.layout.GridLayout;
  25 import org.eclipse.swt.widgets.Composite;
  26 import org.eclipse.swt.widgets.Control;
  27 import org.eclipse.swt.widgets.Display;
  28 import org.eclipse.swt.widgets.Shell;
  29
  30 /** Default authentication dialog, to be used as {@link CallbackHandler}. */
  31 public class DefaultLoginDialog extends AbstractLoginDialog {
  32         private static final long serialVersionUID = -8551827590693035734L;
  33
  34         public DefaultLoginDialog() {
  35                 this(Display.getCurrent().getActiveShell());
  36         }
  37
  38         public DefaultLoginDialog(Shell parentShell) {
  39                 super(parentShell);
  40         }
  41
  42         protected Point getInitialSize() {
  43                 return new Point(350, 180);
  44         }
  45
  46         @Override
  47         protected Control createContents(Composite parent) {
  48                 Control control = super.createContents(parent);
  49                 parent.pack();
  50
  51                 // Move the dialog to the center of the top level shell.
  52                 Rectangle shellBounds;
  53                 if (Display.getCurrent().getActiveShell() != null) // RCP
  54                         shellBounds = Display.getCurrent().getActiveShell().getBounds();
  55                 else
  56                         shellBounds = Display.getCurrent().getBounds();// RAP
  57                 Point dialogSize = parent.getSize();
  58                 int x = shellBounds.x + (shellBounds.width - dialogSize.x) / 2;
  59                 int y = shellBounds.y + (shellBounds.height - dialogSize.y) / 2;
  60                 parent.setLocation(x, y);
  61                 return control;
  62         }
  63
  64         protected Control createDialogArea(Composite parent) {
  65                 Composite dialogarea = (Composite) super.createDialogArea(parent);
  66                 CompositeCallbackHandler composite = new CompositeCallbackHandler(
  67                                 dialogarea, SWT.NONE);
  68                 composite.setLayout(new GridLayout(2, false));
  69                 composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
  70                 composite.createCallbackHandlers(getCallbacks());
  71                 return composite;
  72         }
  73
  74         public void internalHandle() {
  75         }
  76 }