Git: Provide a commit editor for files opened externally

Change-Id: I52fccf36cca032dda36102d4be2654eb7461de64
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/giteditor.cpp

@@ -33,9 +33,12 @@
 #include "gitplugin.h"
 #include "gitclient.h"
 #include "gitsettings.h"
+#include "gitsubmiteditorwidget.h"
+#include "gitconstants.h"
 
 #include <utils/qtcassert.h>
 #include <vcsbase/vcsbaseoutputwindow.h>
+#include <texteditor/basetextdocument.h>
 #include <QDebug>
 #include <QFileInfo>
 #include <QRegExp>
@@ -225,6 +228,13 @@ void GitEditor::revertChange()
     GitPlugin::instance()->gitClient()->synchronousRevert(workingDirectory, m_currentChange);
 }
 
+void GitEditor::init()
+{
+    VcsBase::VcsBaseEditorWidget::init();
+    if (editor()->id() == Git::Constants::GIT_COMMIT_TEXT_EDITOR_ID)
+        new GitSubmitHighlighter(baseTextDocument().data());
+}
+
 QString GitEditor::decorateVersion(const QString &revision) const
 {
     const QFileInfo fi(source());