@Override
protected void fillExtraControls(@NotNull PaintAwarePanel content, int indentLevel) {
  PantsProjectSettings initialSettings = getInitialSettings();
  myLibsWithSourcesCheckBox.setSelected(initialSettings.libsWithSources);
  myEnableIncrementalImportCheckBox.setSelected(initialSettings.incrementalImportEnabled);
  myImportDepthSpinner.setValue(initialSettings.incrementalImportDepth);
  myUseIdeaProjectJdkCheckBox.setSelected(initialSettings.useIdeaProjectJdk);
  myImportSourceDepsAsJarsCheckBox.setSelected(initialSettings.importSourceDepsAsJars);
  myUseIntellijCompilerCheckBox.setSelected(initialSettings.useIntellijCompiler);
  LinkLabel<?> intellijCompilerHelpMessage = LinkLabel.create(
    PantsBundle.message("pants.settings.text.use.intellij.compiler.help.messasge"),
    () -> BrowserUtil.browse(PantsBundle.message("pants.settings.text.use.intellij.compiler.help.messasge.link"))
  );

  myTargetSpecsBox.setItems(initialSettings.getAllAvailableTargetSpecs(), x -> x);
  initialSettings.getSelectedTargetSpecs().forEach(spec -> myTargetSpecsBox.setItemSelected(spec, true));

  insertNameFieldBeforeProjectPath(content);

  List<JComponent> boxes = ContainerUtil.newArrayList(
    myLibsWithSourcesCheckBox,
    myEnableIncrementalImportCheckBox,
    myImportDepthPanel,
    myUseIdeaProjectJdkCheckBox,
    myImportSourceDepsAsJarsCheckBox,
    myUseIntellijCompilerCheckBox,
    intellijCompilerHelpMessage,
    new JBLabel(PantsBundle.message("pants.settings.text.targets")),
    new JBScrollPane(myTargetSpecsBox)
  );

  GridBag lineConstraints = ExternalSystemUiUtil.getFillLineConstraints(indentLevel);

  for (JComponent component : boxes) {
    content.add(component, lineConstraints);
  }
}
 

/**
 * Creates a label and path selector and adds them to the configuration
 * window.
 *
 * @param settings Panel to add components to.
 * @param tool Which tool to configure.
 * @return The TextFieldWithBrowseButton created.
 */
public static TextFieldWithBrowseButton createExecutableOption(JPanel settings, String tool, Object constraints) {
    // Create UI elements.
    TextFieldWithBrowseButton tf = new TextFieldWithBrowseButton();
    tf.addBrowseFolderListener("Select " + tool + " path", "", null,
            FileChooserDescriptorFactory.createSingleLocalFileDescriptor());

    // Add elements to Panel.
    JPanel subPanel = new JPanel(new GridBagLayout());
    subPanel.add(new JLabel(tool + " executable path:"));
    subPanel.add(tf, ExternalSystemUiUtil.getFillLineConstraints(0));
    settings.add(subPanel, constraints);

    return tf;
}
 

/**
 * Creates a label and text field input and adds them to the configuration
 * window.
 *
 * @param settings Panel to add components to.
 * @param labelText Which text to show to the left of the field.
 * @return The TextFieldWithBrowseButton created.
 */
public static TextFieldWithHistory createTextfield(JPanel settings, String labelText, Object constraints) {
    // Create UI elements.
    TextFieldWithHistory tf = new TextFieldWithHistory();

    // Add elements to Panel.
    JPanel subPanel = new JPanel(new GridBagLayout());
    subPanel.add(new JLabel(labelText + ':'));
    subPanel.add(tf, ExternalSystemUiUtil.getFillLineConstraints(0));
    settings.add(subPanel, constraints);

    return tf;
}
 

/**
 * Creates two labels adds them to the configuration window.
 *
 * @param settings Panel to add components to.
 * @param tool Which tool to display version for.
 * @return The label with dynamic content.
 */
public static JLabel createDisplayVersion(JPanel settings, String tool, Object constraints) {
    JLabel tf = new JLabel("");

    // Add elements to Panel.
    JPanel subPanel = new JPanel(new GridBagLayout());
    subPanel.add(new JLabel(tool + " version:"));
    subPanel.add(tf, ExternalSystemUiUtil.getFillLineConstraints(0));
    settings.add(subPanel, constraints);

    return tf;
}
 

@Override
public void fillUi(@Nonnull PaintAwarePanel canvas, int indentLevel) {
  myUseAutoImportBox = new JBCheckBox(ExternalSystemBundle.message("settings.label.use.auto.import"));
  myUseAutoImportBox.setVisible(!myHideUseAutoImportBox);
  canvas.add(myUseAutoImportBox, ExternalSystemUiUtil.getFillLineConstraints(indentLevel));
  myCreateEmptyContentRootDirectoriesBox =
    new JBCheckBox(ExternalSystemBundle.message("settings.label.create.empty.content.root.directories"));
  canvas.add(myCreateEmptyContentRootDirectoriesBox, ExternalSystemUiUtil.getFillLineConstraints(indentLevel));
  fillExtraControls(canvas, indentLevel); 
}
 

@Override
public void update(AnActionEvent e) {
  ProjectSystemId externalSystemId = e.getDataContext().getData(ExternalSystemDataKeys.EXTERNAL_SYSTEM_ID);
  if (externalSystemId == null) {
    e.getPresentation().setEnabled(false);
    return;
  }

  e.getPresentation().setText(ExternalSystemBundle.message("action.open.config.text", externalSystemId.getReadableName()));
  e.getPresentation().setDescription(ExternalSystemBundle.message("action.open.config.description", externalSystemId.getReadableName()));
  e.getPresentation().setIcon(ExternalSystemUiUtil.getUiAware(externalSystemId).getProjectIcon());

  VirtualFile config = getExternalConfig(e.getDataContext());
  e.getPresentation().setEnabled(config != null);
}
 

@Override
public void fillUi(@NotNull PaintAwarePanel content, int indentLevel) {
  myUpdateChannel = new JBCheckBox(PantsBundle.message("pants.settings.text.update.channel"));
  content.add(myUpdateChannel, ExternalSystemUiUtil.getFillLineConstraints(indentLevel));
}
 

public void disposeUIResources() {
  ExternalSystemUiUtil.disposeUi(this);
}
 

@Override
public void showUi(boolean show) {
  ExternalSystemUiUtil.showUi(this, show);
}
 

private void insertNameFieldBeforeProjectPath(@NotNull PaintAwarePanel content) {
  JLabel label = new JLabel(PantsBundle.message("pants.settings.text.project.name"));
  content.add(label, ExternalSystemUiUtil.getLabelConstraints(0), 0);
  content.add(myNameField, ExternalSystemUiUtil.getFillLineConstraints(0), 1);
}
 

public static TextFieldWithBrowseButton createExecutableOption(JPanel settings, String tool) {
    return createExecutableOption(settings, tool, ExternalSystemUiUtil.getFillLineConstraints(0));
}
 

public static TextFieldWithHistory createTextfield(JPanel settings, String labelText) {
    return createTextfield(settings, labelText, ExternalSystemUiUtil.getFillLineConstraints(0));
}
 

public static JLabel createDisplayVersion(JPanel settings, String tool) {
    return createDisplayVersion(settings, tool, ExternalSystemUiUtil.getFillLineConstraints(0));
}
 

public static JCheckBox createCheckBoxOption(JPanel settings, String text) {
    return createCheckBoxOption(settings, text, ExternalSystemUiUtil.getFillLineConstraints(0));
}
 

public void disposeUIResources() {
  ExternalSystemUiUtil.disposeUi(this);
}
 

@Override
public void showUi(boolean show) {
  ExternalSystemUiUtil.showUi(this, show);
}
 

public ExternalSystemTasksTreeModel(@Nonnull ProjectSystemId externalSystemId) {
  super(new ExternalSystemNode<>(new ExternalSystemNodeDescriptor<>("", "", "", null)));
  myExternalSystemId = externalSystemId;
  myUiAware = ExternalSystemUiUtil.getUiAware(externalSystemId);
}