plugins/org.argeo.slc.client.ui.dist/src/main/java/org/argeo/slc/client/ui/dist/controllers/AnonymousDistTreeContentProvider.java

   1 package org.argeo.slc.client.ui.dist.controllers;
   2
   3 import javax.jcr.RepositoryFactory;
   4
   5 import org.argeo.eclipse.ui.TreeParent;
   6 import org.argeo.slc.client.ui.dist.model.RepoElem;
   7 import org.eclipse.jface.viewers.ITreeContentProvider;
   8 import org.eclipse.jface.viewers.Viewer;
   9
  10 /**
  11  * Enables browsing in local public slc distribution repositories. For the time
  12  * being, it supports only one repository at a time. Repository factory must be
  13  * injected
  14  */
  15
  16 public class AnonymousDistTreeContentProvider implements ITreeContentProvider {
  17
  18         // List<RepoElem> repositories = new ArrayList<RepoElem>();
  19         private RepoElem publicRepo;
  20
  21         private RepositoryFactory repositoryFactory;
  22
  23         /**
  24          * @param input
  25          *            the URI to the public repository to browse
  26          */
  27         public Object[] getElements(Object input) {
  28                 String uri = (String) input;
  29                 publicRepo = new RepoElem(repositoryFactory, uri,
  30                                 "Argeo Public Repository");
  31                 // force connection and creation of the children UI object
  32                 publicRepo.login();
  33                 return publicRepo.getChildren();
  34         }
  35
  36         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  37         }
  38
  39         // @Override
  40         public Object[] getChildren(Object parentElement) {
  41                 if (parentElement instanceof TreeParent)
  42                         return ((TreeParent) parentElement).getChildren();
  43                 else
  44                         return null;
  45         }
  46
  47         // @Override
  48         public Object getParent(Object element) {
  49                 if (element instanceof TreeParent)
  50                         return ((TreeParent) element).getParent();
  51                 return null;
  52         }
  53
  54         // @Override
  55         public boolean hasChildren(Object element) {
  56                 if (element instanceof TreeParent)
  57                         return ((TreeParent) element).hasChildren();
  58                 else
  59                         return false;
  60         }
  61
  62         public void dispose() {
  63                 publicRepo.dispose();
  64         }
  65
  66         /*
  67          * DEPENDENCY INJECTION
  68          */
  69         public void setRepositoryFactory(RepositoryFactory repositoryFactory) {
  70                 this.repositoryFactory = repositoryFactory;
  71         }
  72 }