org.argeo.cms.ui/src/org/argeo/cms/ui/CmsView.java

   1 package org.argeo.cms.ui;
   2
   3 import javax.security.auth.login.LoginContext;
   4
   5 import org.eclipse.swt.widgets.Composite;
   6 import org.eclipse.swt.widgets.Shell;
   7
   8 /** Provides interaction with the CMS system. */
   9 public interface CmsView {
  10         //String KEY = "org.argeo.cms.ui.view";
  11
  12         UxContext getUxContext();
  13
  14         // NAVIGATION
  15         void navigateTo(String state);
  16
  17         // SECURITY
  18         void authChange(LoginContext loginContext);
  19
  20         void logout();
  21
  22         // void registerCallbackHandler(CallbackHandler callbackHandler);
  23
  24         // SERVICES
  25         void exception(Throwable e);
  26
  27         CmsImageManager getImageManager();
  28
  29         boolean isAnonymous();
  30
  31         static CmsView getCmsView(Composite parent) {
  32                 // find parent shell
  33                 Shell topShell = parent.getShell();
  34                 while (topShell.getParent() != null)
  35                         topShell = (Shell) topShell.getParent();
  36                 return (CmsView) topShell.getData(CmsView.class.getName());
  37         }
  38
  39         static void registerCmsView(Shell shell, CmsView view) {
  40                 // find parent shell
  41                 Shell topShell = shell;
  42                 while (topShell.getParent() != null)
  43                         topShell = (Shell) topShell.getParent();
  44                 // check if already set
  45                 if (topShell.getData(CmsView.class.getName()) != null) {
  46                         CmsView registeredView = (CmsView) topShell.getData(CmsView.class.getName());
  47                         throw new IllegalArgumentException(
  48                                         "Cms view " + registeredView + " already registered in this shell");
  49                 }
  50                 shell.setData(CmsView.class.getName(), view);
  51         }
  52
  53 }