public void editFile() {
    if (filesListPanel.getSelectedFileItems() == null
        || filesListPanel.getSelectedFileItems().size() != 1) {
      return;
    }

    RepositoryFile file = filesListPanel.getSelectedFileItems().get(0).getRepositoryFile();
    if (file.getName().endsWith(".analysisview.xaction")) { // $NON-NLS-1$
      openFile(file, COMMAND.RUN);
    } else {
      // check to see if a plugin supports editing
      ContentTypePlugin plugin = PluginOptionsHelper.getContentTypePlugin(file.getName());
      if (plugin != null && plugin.hasCommand(COMMAND.EDIT)) {
        // load the editor for this plugin
        String editUrl =
            getPath()
                + "api/repos/"
                + pathToId(file.getPath())
                + "/"
                + (plugin != null && (plugin.getCommandPerspective(COMMAND.EDIT) != null)
                    ? plugin.getCommandPerspective(COMMAND.EDIT)
                    : "editor"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        // See if it's already loaded
        for (int i = 0; i < contentTabPanel.getTabCount(); i++) {
          Widget w = contentTabPanel.getTab(i).getContent();
          if (w instanceof IFrameTabPanel && ((IFrameTabPanel) w).getUrl().endsWith(editUrl)) {
            // Already up, select and exit
            contentTabPanel.selectTab(i);
            return;
          }
        }

        contentTabPanel.showNewURLTab(
            Messages.getString("editingColon") + file.getTitle(),
            Messages.getString("editingColon") + file.getTitle(),
            editUrl,
            true); //$NON-NLS-1$ //$NON-NLS-2$

        // Store representation of file in the frame for reference later when
        // save is called
        contentTabPanel.getCurrentFrame().setFileInfo(filesListPanel.getSelectedFileItems().get(0));

      } else {
        MessageDialogBox dialogBox =
            new MessageDialogBox(
                Messages.getString("error"), // $NON-NLS-1$
                Messages.getString("cannotEditFileType"), // $NON-NLS-1$
                true,
                false,
                true);
        dialogBox.center();
      }
    }
  }
        public void execute() {
          filesListPanel.setShowHiddenFiles(!solutionTree.isShowHiddenFiles());
          solutionTree.setShowHiddenFiles(!solutionTree.isShowHiddenFiles());
          solutionTree.setSelectedItem(solutionTree.getSelectedItem(), true);

          // update setting
          final String url =
              GWT.getHostPageBaseURL()
                  + "api/user-settings/MANTLE_SHOW_HIDDEN_FILES"; //$NON-NLS-1$
          RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, url);
          try {
            builder.sendRequest(
                "" + solutionTree.isShowHiddenFiles(), EmptyRequestCallback.getInstance());
            RepositoryFileTreeManager.getInstance()
                .fetchRepositoryFileTree(true, null, null, solutionTree.isShowHiddenFiles());
          } catch (RequestException e) {
            // showError(e);
          }
        }
  public void executeActionSequence(final FileCommand.COMMAND mode) {
    if (filesListPanel.getSelectedFileItems() == null
        || filesListPanel.getSelectedFileItems().size() != 1) {
      return;
    }

    // open in content panel
    AbstractCommand authCmd =
        new AbstractCommand() {
          protected void performOperation() {
            performOperation(false);
          }

          protected void performOperation(boolean feedback) {
            final FileItem selectedFileItem = filesListPanel.getSelectedFileItems().get(0);
            String url = null;
            url =
                "api/repo/files/"
                    + SolutionBrowserPanel.pathToId(
                        filesListPanel.getSelectedFileItems().get(0).getRepositoryFile().getPath())
                    + "/generatedContent"; //$NON-NLS-1$ //$NON-NLS-2$
            url = getPath() + url;

            if (mode == FileCommand.COMMAND.BACKGROUND) {
              MessageDialogBox dialogBox =
                  new MessageDialogBox(
                      Messages.getString("info"), // $NON-NLS-1$
                      Messages.getString("backgroundExecutionWarning"), // $NON-NLS-1$
                      true,
                      false,
                      true);
              dialogBox.center();

              url += "&background=true"; // $NON-NLS-1$

              RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);
              try {
                builder.sendRequest(
                    null,
                    new RequestCallback() {

                      public void onError(Request request, Throwable exception) {
                        MessageDialogBox dialogBox =
                            new MessageDialogBox(
                                Messages.getString("error"),
                                Messages.getString("couldNotBackgroundExecute"),
                                false,
                                false,
                                true); //$NON-NLS-1$ //$NON-NLS-2$
                        dialogBox.center();
                      }

                      public void onResponseReceived(Request request, Response response) {}
                    });
              } catch (RequestException e) {
              }
            } else if (mode == FileCommand.COMMAND.NEWWINDOW) {
              // popup blockers might attack this
              Window.open(
                  url,
                  "_blank",
                  "menubar=yes,location=no,resizable=yes,scrollbars=yes,status=no"); //$NON-NLS-1$
              // //$NON-NLS-2$
            } else if (mode == FileCommand.COMMAND.SUBSCRIBE) {
              final String myurl = url + "&subscribepage=yes"; // $NON-NLS-1$
              contentTabPanel.showNewURLTab(
                  selectedFileItem.getLocalizedName(),
                  selectedFileItem.getLocalizedName(),
                  myurl,
                  true);
            } else {
              contentTabPanel.showNewURLTab(
                  selectedFileItem.getLocalizedName(),
                  selectedFileItem.getLocalizedName(),
                  url,
                  true);
            }
          }
        };

    authCmd.execute();
  }
 public void onTreeItemSelected(TreeItem item) {
   filesListPanel.setShowHiddenFiles(solutionTree.isShowHiddenFiles());
   filesListPanel.populateFilesList(SolutionBrowserPanel.this, solutionTree, item);
   filesListPanel.getToolbar().setEnabled(false);
 }