org.argeo.cms.ui/src/org/argeo/cms/util/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.auth.CurrentUser;
   7 import org.argeo.cms.ui.CmsStyles;
   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                 if (CurrentUser.isAnonymous())
  26                         setLabel(CmsMsg.login.lead());
  27                 else {
  28                         setLabel(CurrentUser.getDisplayName());
  29                 }
  30                 Label link = (Label) ((Composite) super.createUi(parent, context)).getChildren()[0];
  31                 link.addMouseListener(new UserMenuLinkController());
  32                 return link.getParent();
  33         }
  34
  35         protected UserMenu createUserMenu(Control source) {
  36                 return new UserMenu(source.getParent());
  37         }
  38
  39         private class UserMenuLinkController implements MouseListener, DisposeListener {
  40                 private static final long serialVersionUID = 3634864186295639792L;
  41
  42                 private UserMenu userMenu = null;
  43                 private long lastDisposeTS = 0l;
  44
  45                 //
  46                 // MOUSE LISTENER
  47                 //
  48                 @Override
  49                 public void mouseDown(MouseEvent e) {
  50                         if (e.button == 1) {
  51                                 Control source = (Control) e.getSource();
  52                                 if (userMenu == null) {
  53                                         long durationSinceLastDispose = System.currentTimeMillis() - lastDisposeTS;
  54                                         // avoid to reopen the menu, if one has clicked gain
  55                                         if (durationSinceLastDispose > 200) {
  56                                                 userMenu = createUserMenu(source);
  57                                                 userMenu.getShell().addDisposeListener(this);
  58                                         }
  59                                 }
  60                         }
  61                 }
  62
  63                 @Override
  64                 public void mouseDoubleClick(MouseEvent e) {
  65                 }
  66
  67                 @Override
  68                 public void mouseUp(MouseEvent e) {
  69                 }
  70
  71                 @Override
  72                 public void widgetDisposed(DisposeEvent event) {
  73                         userMenu = null;
  74                         lastDisposeTS = System.currentTimeMillis();
  75                 }
  76         }
  77 }