TextEditors: Remove widget's setTabSettings method

Change-Id: If212b45e2d526534b7853f3fa23b170f61e1976e
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/plugins/qmljseditor/qmljseditor.cpp

@@ -761,6 +761,18 @@ void QmlJSTextEditorWidget::updateOutlineIndexNow()
     }
 }
 
+QmlJSEditorDocument::QmlJSEditorDocument()
+{
+    connect(this, SIGNAL(tabSettingsChanged()),
+            this, SLOT(invalidateFormatterCache()));
+}
+
+void QmlJSEditorDocument::invalidateFormatterCache()
+{
+    QmlJSTools::CreatorCodeFormatter formatter(tabSettings());
+    formatter.invalidateCache(document());
+}
+
 } // namespace QmlJSEditor
 
 class QtQuickToolbarMarker {};
@@ -1286,14 +1298,6 @@ void QmlJSTextEditorWidget::unCommentSelection()
     Utils::unCommentSelection(this);
 }
 
-void QmlJSTextEditorWidget::setTabSettings(const TextEditor::TabSettings &ts)
-{
-    QmlJSTools::CreatorCodeFormatter formatter(ts);
-    formatter.invalidateCache(document());
-
-    TextEditor::BaseTextEditorWidget::setTabSettings(ts);
-}
-
 void QmlJSTextEditorWidget::updateSemanticInfo()
 {
     // If the editor is newer than the future semantic info, new semantic infos

src/plugins/qmljseditor/qmljseditor.h

@@ -73,6 +73,16 @@ class QmlOutlineModel;
 class SemanticInfoUpdater;
 struct SemanticInfoUpdaterSource;
 class SemanticHighlighter;
+
+class QmlJSEditorDocument : public TextEditor::BaseTextDocument
+{
+    Q_OBJECT
+public:
+    QmlJSEditorDocument();
+private slots:
+    void invalidateFormatterCache();
+};
+
 } // namespace Internal
 
 struct QMLJSEDITOR_EXPORT Declaration
@@ -118,7 +128,6 @@ public:
     TextEditor::IAssistInterface *createAssistInterface(TextEditor::AssistKind assistKind,
                                                         TextEditor::AssistReason reason) const;
 public slots:
-    virtual void setTabSettings(const TextEditor::TabSettings &ts);
     void reparseDocument();
     void reparseDocumentNow();
     void updateSemanticInfo();