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.argeo.cms.widgets.auth.CmsLoginShell;
   9 import org.eclipse.swt.events.DisposeEvent;
  10 import org.eclipse.swt.events.DisposeListener;
  11 import org.eclipse.swt.events.MouseEvent;
  12 import org.eclipse.swt.events.MouseListener;
  13 import org.eclipse.swt.widgets.Composite;
  14 import org.eclipse.swt.widgets.Control;
  15 import org.eclipse.swt.widgets.Label;
  16
  17 /** Open the user menu when clicked */
  18 public class UserMenuLink extends MenuLink {
  19
  20         public UserMenuLink() {
  21                 setCustom(CmsStyles.CMS_USER_MENU_LINK);
  22         }
  23
  24         @Override
  25         public Control createUi(Composite parent, Node context) {
  26                 if (CurrentUser.isAnonymous())
  27                         setLabel(CmsMsg.login.lead());
  28                 else {
  29                         setLabel(CurrentUser.getDisplayName());
  30                 }
  31                 Label link = (Label) ((Composite) super.createUi(parent, context)).getChildren()[0];
  32                 link.addMouseListener(new UserMenuLinkController(context));
  33                 return link.getParent();
  34         }
  35
  36         protected CmsLoginShell createUserMenu(Control source, Node context) {
  37                 return new UserMenu(source.getParent(), context);
  38         }
  39
  40         private class UserMenuLinkController implements MouseListener, DisposeListener {
  41                 private static final long serialVersionUID = 3634864186295639792L;
  42
  43                 private CmsLoginShell userMenu = null;
  44                 private long lastDisposeTS = 0l;
  45
  46                 private final Node context;
  47
  48                 public UserMenuLinkController(Node context) {
  49                         this.context = context;
  50                 }
  51
  52                 //
  53                 // MOUSE LISTENER
  54                 //
  55                 @Override
  56                 public void mouseDown(MouseEvent e) {
  57                         if (e.button == 1) {
  58                                 Control source = (Control) e.getSource();
  59                                 if (userMenu == null) {
  60                                         long durationSinceLastDispose = System.currentTimeMillis() - lastDisposeTS;
  61                                         // avoid to reopen the menu, if one has clicked gain
  62                                         if (durationSinceLastDispose > 200) {
  63                                                 userMenu = createUserMenu(source, context);
  64                                                 userMenu.getShell().addDisposeListener(this);
  65                                         }
  66                                 }
  67                         }
  68                 }
  69
  70                 @Override
  71                 public void mouseDoubleClick(MouseEvent e) {
  72                 }
  73
  74                 @Override
  75                 public void mouseUp(MouseEvent e) {
  76                 }
  77
  78                 @Override
  79                 public void widgetDisposed(DisposeEvent event) {
  80                         userMenu = null;
  81                         lastDisposeTS = System.currentTimeMillis();
  82                 }
  83         }
  84 }