Set initial focus on options tree in configure code style on selected fragment dialog

platform/lang-impl/src/com/intellij/formatting/contextConfiguration/CodeFragmentCodeStyleSettingsPanel.java

@@ -39,6 +39,7 @@ class CodeFragmentCodeStyleSettingsPanel extends TabbedLanguageCodeStylePanel {
 
   private final CodeStyleSettingsCodeFragmentFilter.CodeStyleSettingsToShow mySettingsToShow;
   private final SelectedTextFormatter mySelectedTextFormatter;
+  private SpacesPanelWithoutPreview mySpacesPanel;
 
   public CodeFragmentCodeStyleSettingsPanel(@NotNull CodeStyleSettings settings,
                                             @NotNull CodeStyleSettingsCodeFragmentFilter.CodeStyleSettingsToShow settingsToShow,
@@ -63,11 +64,16 @@ class CodeFragmentCodeStyleSettingsPanel extends TabbedLanguageCodeStylePanel {
 
   @Override
   protected void initTabs(CodeStyleSettings settings) {
-    addTab(new SpacesPanelWithoutPreview(settings));
+    mySpacesPanel = new SpacesPanelWithoutPreview(settings);
+    addTab(mySpacesPanel);
     addTab(new WrappingAndBracesPanelWithoutPreview(settings));
     reset(getSettings());
   }
 
+  public JComponent getPreferredFocusedComponent() {
+    return mySpacesPanel.getPreferredFocusedComponent();
+  }
+
   public static CodeStyleSettingsCodeFragmentFilter.CodeStyleSettingsToShow calcSettingNamesToShow(CodeStyleSettingsCodeFragmentFilter filter) {
     return filter.getFieldNamesAffectingCodeFragment(SPACING_SETTINGS, WRAPPING_AND_BRACES_SETTINGS);
   }
@@ -129,6 +135,10 @@ class CodeFragmentCodeStyleSettingsPanel extends TabbedLanguageCodeStylePanel {
     protected String getPreviewText() {
       return null;
     }
+
+    public JComponent getPreferredFocusedComponent() {
+      return myOptionsTree;
+    }
   }
 
   private class WrappingAndBracesPanelWithoutPreview extends MyWrappingAndBracesPanel {

platform/lang-impl/src/com/intellij/formatting/contextConfiguration/ConfigureCodeStyleOnSelectedFragment.java

@@ -121,6 +121,12 @@ public class ConfigureCodeStyleOnSelectedFragment implements IntentionAction {
       init();
     }
 
+    @Nullable
+    @Override
+    public JComponent getPreferredFocusedComponent() {
+      return myTabbedLanguagePanel.getPreferredFocusedComponent();
+    }
+
     @Nullable
     @Override
     protected JComponent createCenterPanel() {