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(context));
  32                 return link.getParent();
  33         }
  34
  35         protected UserMenu createUserMenu(Control source,Node context) {
  36                 return new UserMenu(source.getParent(),context);
  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                 private final Node context;
  46
  47                 public UserMenuLinkController(Node context) {
  48                         this.context = context;
  49                 }
  50
  51                 //
  52                 // MOUSE LISTENER
  53                 //
  54                 @Override
  55                 public void mouseDown(MouseEvent e) {
  56                         if (e.button == 1) {
  57                                 Control source = (Control) e.getSource();
  58                                 if (userMenu == null) {
  59                                         long durationSinceLastDispose = System.currentTimeMillis() - lastDisposeTS;
  60                                         // avoid to reopen the menu, if one has clicked gain
  61                                         if (durationSinceLastDispose > 200) {
  62                                                 userMenu = createUserMenu(source,context);
  63                                                 userMenu.getShell().addDisposeListener(this);
  64                                         }
  65                                 }
  66                         }
  67                 }
  68
  69                 @Override
  70                 public void mouseDoubleClick(MouseEvent e) {
  71                 }
  72
  73                 @Override
  74                 public void mouseUp(MouseEvent e) {
  75                 }
  76
  77                 @Override
  78                 public void widgetDisposed(DisposeEvent event) {
  79                         userMenu = null;
  80                         lastDisposeTS = System.currentTimeMillis();
  81                 }
  82         }
  83 }