Get rid of DiffShowEditor.

Made DiffEditor customizable instead

Change-Id: If92799d47c7e731febb45197384c082eb3af55df
Reviewed-by: Jarek Kobus <jaroslaw.kobus@digia.com>

src/plugins/diffeditor/diffeditorcontroller.cpp

@@ -33,9 +33,12 @@ namespace DiffEditor {
 
 DiffEditorController::DiffEditorController(QObject *parent)
     : QObject(parent),
+      m_descriptionEnabled(false),
+      m_descriptionVisible(true),
       m_contextLinesNumber(3),
       m_ignoreWhitespaces(true),
-      m_syncScrollBars(true)
+      m_syncScrollBars(true),
+      m_currentDiffFileIndex(-1)
 {
     clear();
 }
@@ -60,6 +63,21 @@ QString DiffEditorController::workingDirectory() const
     return m_workingDirectory;
 }
 
+QString DiffEditorController::description() const
+{
+    return m_description;
+}
+
+bool DiffEditorController::isDescriptionEnabled() const
+{
+    return m_descriptionEnabled;
+}
+
+bool DiffEditorController::isDescriptionVisible() const
+{
+    return m_descriptionVisible;
+}
+
 int DiffEditorController::contextLinesNumber() const
 {
     return m_contextLinesNumber;
@@ -100,6 +118,33 @@ void DiffEditorController::setDiffContents(const QList<DiffFilesContents> &diffF
     emit diffContentsChanged(diffFileList, workingDirectory);
 }
 
+void DiffEditorController::setDescription(const QString &description)
+{
+    if (m_description == description)
+        return;
+
+    m_description = description;
+    emit descriptionChanged(description);
+}
+
+void DiffEditorController::setDescriptionEnabled(bool on)
+{
+    if (m_descriptionEnabled == on)
+        return;
+
+    m_descriptionEnabled = on;
+    emit descriptionEnablementChanged(on);
+}
+
+void DiffEditorController::setDescriptionVisible(bool on)
+{
+    if (m_descriptionVisible == on)
+        return;
+
+    m_descriptionVisible = on;
+    emit descriptionVisibilityChanged(on);
+}
+
 void DiffEditorController::setContextLinesNumber(int lines)
 {
     const int l = qMax(lines, -1);