org.spearce.egit.ui/src/org/spearce/egit/ui/internal/actions/RepositoryAction.java

   1 package org.spearce.egit.ui.internal.actions;
   2
   3 import java.util.ArrayList;
   4
   5 import org.eclipse.core.resources.IProject;
   6 import org.eclipse.core.resources.IResource;
   7 import org.eclipse.jface.dialogs.MessageDialog;
   8 import org.eclipse.team.internal.ui.actions.TeamAction;
   9 import org.spearce.egit.core.project.RepositoryMapping;
  10 import org.spearce.jgit.lib.Repository;
  11
  12 public abstract class RepositoryAction extends TeamAction {
  13         /**
  14          * @return repository for current project, or null
  15          */
  16         protected Repository getRepository() {
  17                 IResource[] selectedResources = getSelectedResources();
  18
  19                 ArrayList<IProject> projects = new ArrayList<IProject>();
  20
  21                 for (IResource resource : selectedResources) {
  22                         IProject project = resource.getProject();
  23                         if (!projects.contains(project))
  24                                 projects.add(project);
  25                 }
  26
  27                 RepositoryMapping mapping = null;
  28                 for (IProject project : projects) {
  29                         RepositoryMapping repositoryMapping = RepositoryMapping.getMapping(project);
  30                         if (mapping == null)
  31                                 mapping = repositoryMapping;
  32                         else if (mapping.getRepository() != repositoryMapping.getRepository()) {
  33                                 MessageDialog.openError(getShell(), "Multiple Repositories Selection", "Cannot perform reset on multiple repositories simultaneously.\n\nPlease select items from only one repository.");
  34                                 return null;
  35                         }
  36                 }
  37                 if (mapping == null) {
  38                         MessageDialog.openError(getShell(), "Cannot Find Repository", "Could not find a repository associated with this project");
  39                         return null;
  40                 }
  41
  42                 final Repository repository = mapping.getRepository();
  43                 return repository;
  44         }
  45
  46 }