UserMenuLink.java

   1 package org.argeo.cms.util;
   2
   3 import javax.jcr.Node;
   4
   5 import org.argeo.cms.CmsMsg;
   6 import org.argeo.cms.CmsStyles;
   7 import org.argeo.cms.KernelHeader;
   8 import org.eclipse.swt.events.DisposeEvent;
   9 import org.eclipse.swt.events.DisposeListener;
  10 import org.eclipse.swt.events.MouseEvent;
  11 import org.eclipse.swt.events.MouseListener;
  12 import org.eclipse.swt.widgets.Composite;
  13 import org.eclipse.swt.widgets.Control;
  14 import org.eclipse.swt.widgets.Label;
  15
  16 /** Open the user menu when clicked */
  17 public class UserMenuLink extends MenuLink {
  18
  19         public UserMenuLink() {
  20                 setCustom(CmsStyles.CMS_USER_MENU_LINK);
  21         }
  22
  23         @Override
  24         public Control createUi(Composite parent, Node context) {
  25                 // String username = SecurityContextHolder.getContext()
  26                 // .getAuthentication().getName();
  27                 String username = CurrentUserUtils.getUsername();
  28                 if (username.equalsIgnoreCase(KernelHeader.ROLE_ANONYMOUS))
  29                         setLabel(CmsMsg.login.lead());
  30                 else
  31                         setLabel(username);
  32                 Label link = (Label) ((Composite) super.createUi(parent, context))
  33                                 .getChildren()[0];
  34                 link.addMouseListener(new UserMenuLinkController());
  35                 return link.getParent();
  36         }
  37
  38         protected UserMenu createUserMenu(Control source) {
  39                 return new UserMenu(source.getParent());
  40         }
  41
  42         private class UserMenuLinkController implements MouseListener,
  43                         DisposeListener {
  44                 private static final long serialVersionUID = 3634864186295639792L;
  45
  46                 private UserMenu userMenu = null;
  47                 private long lastDisposeTS = 0l;
  48
  49                 //
  50                 // MOUSE LISTENER
  51                 //
  52                 @Override
  53                 public void mouseDown(MouseEvent e) {
  54                         if (e.button == 1) {
  55                                 Control source = (Control) e.getSource();
  56                                 if (userMenu == null) {
  57                                         long durationSinceLastDispose = System.currentTimeMillis()
  58                                                         - lastDisposeTS;
  59                                         // avoid to reopen the menu, if one has clicked gain
  60                                         if (durationSinceLastDispose > 200) {
  61                                                 userMenu = createUserMenu(source);
  62                                                 userMenu.addDisposeListener(this);
  63                                         }
  64                                 }
  65                         }
  66                 }
  67
  68                 @Override
  69                 public void mouseDoubleClick(MouseEvent e) {
  70                 }
  71
  72                 @Override
  73                 public void mouseUp(MouseEvent e) {
  74                 }
  75
  76                 @Override
  77                 public void widgetDisposed(DisposeEvent event) {
  78                         userMenu = null;
  79                         lastDisposeTS = System.currentTimeMillis();
  80                 }
  81         }
  82 }