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