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.node.NodeConstants;
   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))
  32                                 .getChildren()[0];
  33                 link.addMouseListener(new UserMenuLinkController());
  34                 return link.getParent();
  35         }
  36
  37         protected UserMenu createUserMenu(Control source) {
  38                 return new UserMenu(source.getParent());
  39         }
  40
  41         private class UserMenuLinkController implements MouseListener,
  42                         DisposeListener {
  43                 private static final long serialVersionUID = 3634864186295639792L;
  44
  45                 private UserMenu userMenu = null;
  46                 private long lastDisposeTS = 0l;
  47
  48                 //
  49                 // MOUSE LISTENER
  50                 //
  51                 @Override
  52                 public void mouseDown(MouseEvent e) {
  53                         if (e.button == 1) {
  54                                 Control source = (Control) e.getSource();
  55                                 if (userMenu == null) {
  56                                         long durationSinceLastDispose = System.currentTimeMillis()
  57                                                         - lastDisposeTS;
  58                                         // avoid to reopen the menu, if one has clicked gain
  59                                         if (durationSinceLastDispose > 200) {
  60                                                 userMenu = createUserMenu(source);
  61                                                 userMenu.getShell().addDisposeListener(this);
  62                                         }
  63                                 }
  64                         }
  65                 }
  66
  67                 @Override
  68                 public void mouseDoubleClick(MouseEvent e) {
  69                 }
  70
  71                 @Override
  72                 public void mouseUp(MouseEvent e) {
  73                 }
  74
  75                 @Override
  76                 public void widgetDisposed(DisposeEvent event) {
  77                         userMenu = null;
  78                         lastDisposeTS = System.currentTimeMillis();
  79                 }
  80         }
  81 }