Remove UI dependencies to JCR.

[lgpl/argeo-commons.git] / jcr / org.argeo.cms.jcr.ui / src / org / argeo / cms / ui / util / UserMenuLink.java

diff --git a/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/UserMenuLink.java b/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/UserMenuLink.java
new file mode 100644 (file)
index 0000000..317a7b5
--- /dev/null
+++ b/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/UserMenuLink.java
@@ -0,0 +1,84 @@
+package org.argeo.cms.ui.util;
+
+import javax.jcr.Node;
+
+import org.argeo.cms.CmsMsg;
+import org.argeo.cms.auth.CurrentUser;
+import org.argeo.cms.swt.CmsStyles;
+import org.argeo.cms.swt.auth.CmsLoginShell;
+import org.eclipse.swt.events.DisposeEvent;
+import org.eclipse.swt.events.DisposeListener;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.MouseListener;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+
+/** Open the user menu when clicked */
+public class UserMenuLink extends MenuLink {
+
+       public UserMenuLink() {
+               setCustom(CmsStyles.CMS_USER_MENU_LINK);
+       }
+
+       @Override
+       public Control createUi(Composite parent, Node context) {
+               if (CurrentUser.isAnonymous())
+                       setLabel(CmsMsg.login.lead());
+               else {
+                       setLabel(CurrentUser.getDisplayName());
+               }
+               Label link = (Label) ((Composite) super.createUi(parent, context)).getChildren()[0];
+               link.addMouseListener(new UserMenuLinkController(context));
+               return link.getParent();
+       }
+
+       protected CmsLoginShell createUserMenu(Control source, Node context) {
+               return new UserMenu(source.getParent(), context);
+       }
+
+       private class UserMenuLinkController implements MouseListener, DisposeListener {
+               private static final long serialVersionUID = 3634864186295639792L;
+
+               private CmsLoginShell userMenu = null;
+               private long lastDisposeTS = 0l;
+
+               private final Node context;
+
+               public UserMenuLinkController(Node context) {
+                       this.context = context;
+               }
+
+               //
+               // MOUSE LISTENER
+               //
+               @Override
+               public void mouseDown(MouseEvent e) {
+                       if (e.button == 1) {
+                               Control source = (Control) e.getSource();
+                               if (userMenu == null) {
+                                       long durationSinceLastDispose = System.currentTimeMillis() - lastDisposeTS;
+                                       // avoid to reopen the menu, if one has clicked gain
+                                       if (durationSinceLastDispose > 200) {
+                                               userMenu = createUserMenu(source, context);
+                                               userMenu.getShell().addDisposeListener(this);
+                                       }
+                               }
+                       }
+               }
+
+               @Override
+               public void mouseDoubleClick(MouseEvent e) {
+               }
+
+               @Override
+               public void mouseUp(MouseEvent e) {
+               }
+
+               @Override
+               public void widgetDisposed(DisposeEvent event) {
+                       userMenu = null;
+                       lastDisposeTS = System.currentTimeMillis();
+               }
+       }
+}