public PsiElement resolveInner() {
    final String name = getCanonicalRepresentationText();
    if (name == null) return null;

    final AntElement element = getElement();
    final AntConfigurationBase antConfig = AntConfigurationBase.getInstance(element.getProject());
    AntTarget result = null;

    if (element instanceof AntAntImpl) {
      final PsiFile psiFile = ((AntAntImpl) element).getCalledAntFile();
      if (psiFile != null) {
        AntFile antFile = AntSupport.getAntFile(psiFile);
        if (antFile != null) {
          final AntFile context = null /*antConfig.getEffectiveContextFile(antFile)*/;

          assert context != null;

          final AntProject project = context.getAntProject();
          if (project != null) {
            result = resolveTargetImpl(name, project);
          }
        }
      }
    }

    if (result == null) {
      final AntFile context = null /*antConfig.getEffectiveContextFile(element.getAntFile())*/;

      assert context != null;

      result = resolveTargetImpl(name, context.getAntProject());
    }

    return result;
  }
 private void applyItem(final String contextStr) {
   XmlFile context = null;
   if (!NONE.equals(contextStr)) {
     context = myPathToFileMap.get(contextStr);
     assert context != null;
   }
   AntConfigurationBase.getInstance(myProject).setContextFile(myFile, context);
 }
  public JComponent createComponent() {
    final JPanel panel = new JPanel(new GridBagLayout());
    panel.setBorder(IdeBorderFactory.createTitledBorder("File Context", false));
    myCombo = new ComboBox();
    myCombo.putClientProperty(CONTEXTS_COMBO_KEY, Boolean.TRUE);
    panel.add(
        new JLabel("Included into:"),
        new GridBagConstraints(
            0,
            0,
            1,
            1,
            0.0,
            0.0,
            GridBagConstraints.WEST,
            GridBagConstraints.NONE,
            new Insets(5, 0, 5, 0),
            0,
            0));
    panel.add(
        myCombo,
        new GridBagConstraints(
            1,
            0,
            1,
            1,
            1.0,
            0.0,
            GridBagConstraints.WEST,
            GridBagConstraints.HORIZONTAL,
            new Insets(5, 5, 5, 0),
            0,
            0));

    final PsiManager psiManager = PsiManager.getInstance(myProject);
    final FileBasedIndex fbi = FileBasedIndex.getInstance();
    final Collection<VirtualFile> antFiles =
        fbi.getContainingFiles(
            AntImportsIndex.INDEX_NAME, AntImportsIndex.ANT_FILES_WITH_IMPORTS_KEY, myFileFilter);

    for (VirtualFile file : antFiles) {
      final PsiFile psiFile = psiManager.findFile(file);
      if (!(psiFile instanceof XmlFile)) {
        continue;
      }
      final XmlFile xmlFile = (XmlFile) psiFile;
      if (!xmlFile.equals(myFile) && AntDomFileDescription.isAntFile(xmlFile)) {
        final String path = PathUtil.getLocalPath(file);
        final XmlFile previous = myPathToFileMap.put(path, xmlFile);
        assert previous == null;
      }
    }

    final List<String> paths = new ArrayList<String>(myPathToFileMap.keySet());
    Collections.sort(
        paths,
        new Comparator<String>() {
          public int compare(final String o1, final String o2) {
            return o1.compareTo(o2);
          }
        });

    myCombo.addItem(NONE);
    for (String path : paths) {
      myCombo.addItem(path);
    }

    final AntConfigurationBase antConfig = AntConfigurationBase.getInstance(myProject);
    final XmlFile currentContext = antConfig.getContextFile(myFile);
    if (currentContext != null) {
      final VirtualFile vFile = currentContext.getVirtualFile();

      assert vFile != null;

      final String path = PathUtil.getLocalPath(vFile);
      if (!FileUtil.pathsEqual(path, myLocalPath)) {
        myOriginalContext = path;
      }
    }
    myCombo.setSelectedItem(myOriginalContext);

    return panel;
  }