org.argeo.cms.e4/src/org/argeo/cms/e4/rap/LoginLifcecycle.java

   1 package org.argeo.cms.e4.rap;
   2
   3 import java.util.concurrent.atomic.AtomicBoolean;
   4
   5 import org.eclipse.e4.ui.workbench.lifecycle.PostContextCreate;
   6 import org.eclipse.swt.SWT;
   7 import org.eclipse.swt.events.SelectionAdapter;
   8 import org.eclipse.swt.events.SelectionEvent;
   9 import org.eclipse.swt.graphics.Point;
  10 import org.eclipse.swt.graphics.Rectangle;
  11 import org.eclipse.swt.layout.GridData;
  12 import org.eclipse.swt.layout.GridLayout;
  13 import org.eclipse.swt.widgets.Button;
  14 import org.eclipse.swt.widgets.Composite;
  15 import org.eclipse.swt.widgets.Display;
  16 import org.eclipse.swt.widgets.Label;
  17 import org.eclipse.swt.widgets.Shell;
  18 import org.eclipse.swt.widgets.Text;
  19
  20 @SuppressWarnings("restriction")
  21 public class LoginLifcecycle {
  22         @PostContextCreate
  23         boolean login(Display d) {
  24                 final AtomicBoolean rv = new AtomicBoolean(false);
  25                 final Shell s = new Shell(d);
  26                 s.setText("Login");
  27                 s.setLayout(new GridLayout(2, false));
  28
  29                 {
  30                         Label l = new Label(s, SWT.NONE);
  31                         l.setText("Username");
  32
  33                         Text t = new Text(s, SWT.BORDER);
  34                         t.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  35                 }
  36
  37                 {
  38                         Label l = new Label(s, SWT.NONE);
  39                         l.setText("Password");
  40
  41                         Text t = new Text(s, SWT.BORDER | SWT.PASSWORD);
  42                         t.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  43                 }
  44
  45                 {
  46                         Composite buttonContainer = new Composite(s, SWT.NONE);
  47                         buttonContainer.setLayout(new GridLayout(2, true));
  48                         buttonContainer.setLayoutData(new GridData(SWT.TRAIL, SWT.CENTER, false, false, 2, 1));
  49
  50                         {
  51                                 Button b = new Button(buttonContainer, SWT.PUSH);
  52                                 b.setText("Abort");
  53                                 b.addSelectionListener(new SelectionAdapter() {
  54                                         @Override
  55                                         public void widgetSelected(SelectionEvent e) {
  56                                                 rv.set(false);
  57                                                 s.dispose();
  58                                         }
  59                                 });
  60                         }
  61
  62                         {
  63                                 Button b = new Button(buttonContainer, SWT.PUSH);
  64                                 b.setText("Login");
  65                                 b.addSelectionListener(new SelectionAdapter() {
  66                                         @Override
  67                                         public void widgetSelected(SelectionEvent e) {
  68                                                 rv.set(true);
  69                                                 s.dispose();
  70                                         }
  71                                 });
  72                         }
  73                 }
  74                 s.pack();
  75                 s.setSize(300, s.getSize().y + 10);
  76                 Rectangle bounds = d.getPrimaryMonitor().getBounds();
  77
  78                 Point size = s.getSize();
  79                 s.setLocation(bounds.width / 2 - size.x / 2, bounds.height / 2 - size.y / 2);
  80
  81                 s.open();
  82                 while (!s.isDisposed() && !d.isDisposed()) {
  83                         if (!d.readAndDispatch()) {
  84                                 d.sleep();
  85                         }
  86                 }
  87
  88                 return rv.get();
  89         }
  90 }