/** Ensures that controls are correctly set. */
  private void dialogChanged() {
    IResource resource =
        ResourcesPlugin.getWorkspace().getRoot().findMember(new Path(getContainerName()));
    if (resource == null) {
      updateStatus("File container must be specified");
      return;
    }
    IContainer container = (IContainer) resource;
    String fileName = getFileName();
    String author = getAuthor();
    String titleName = getModelName();

    final IFile modelfile = container.getFile(new Path("models/" + fileName));
    final IFile htmlfile = container.getFile(new Path("doc/" + titleName + ".html"));

    if (getContainerName().length() == 0) {
      updateStatus("File container must be specified");
      return;
    }
    if ((resource.getType() & (IResource.PROJECT | IResource.FOLDER)) == 0) {
      updateStatus("File container must exist");
      return;
    }
    if (!resource.isAccessible()) {
      updateStatus("Project must be writable");
      return;
    }
    if (fileName.length() == 0) {
      updateStatus("File name must be specified");
      return;
    }
    if (fileName.replace('\\', '/').indexOf('/', 1) > 0) {
      updateStatus("File name must be valid");
      return;
    }
    if (!fileName.endsWith(".gaml")) {
      updateStatus("File extension must be \".gaml\"");
      return;
    }
    if (author.length() == 0) {
      updateStatus("Author name must be specified");
      return;
    }
    if (modelfile.exists()) {
      updateStatus("File already exists");
      return;
    }
    if (htmlfile.exists()) {
      updateStatus("Model name already defined");
      return;
    }

    if (titleName.length() == 0) {
      updateStatus("Model name must be specified");
      return;
    }
    updateStatus(null);
  }
 public boolean checkIfFileInTarget(IFile fileToCheck) {
   String[] strings = selectedListBox.getItems();
   int size = selectedListBox.getItemCount();
   for (int i = 0; i < size; i++) {
     if (strings[i].compareTo(fileToCheck.getFullPath().toString()) == 0) return true;
   }
   return false;
 }