VcsBase: Make the description directly available in Submit Editor

Make the description directly available to subclasses of the submit
editor.

Change-Id: Ieb6f99091fdcb6f794491169e637bec53a04dacb
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/git/gitsubmiteditor.cpp

@@ -276,7 +276,7 @@ QString GitSubmitEditor::amendSHA1() const
 
 QByteArray GitSubmitEditor::fileContents() const
 {
-    const QString &text = submitEditorWidget()->descriptionText();
+    const QString &text = description();
 
     // Do the encoding convert, When use user-defined encoding
     // e.g. git config --global i18n.commitencoding utf-8

src/plugins/vcsbase/vcsbasesubmiteditor.cpp

@@ -516,15 +516,25 @@ void VcsBaseSubmitEditor::slotDiffSelectedVcsFiles(const QList<int> &rawList)
 
 QByteArray VcsBaseSubmitEditor::fileContents() const
 {
-    return d->m_widget->descriptionText().toLocal8Bit();
+    return description().toLocal8Bit();
 }
 
 bool VcsBaseSubmitEditor::setFileContents(const QByteArray &contents)
 {
-    d->m_widget->setDescriptionText(QString::fromUtf8(contents));
+    setDescription(QString::fromUtf8(contents));
     return true;
 }
 
+QString VcsBaseSubmitEditor::description() const
+{
+    return d->m_widget->descriptionText();
+}
+
+void VcsBaseSubmitEditor::setDescription(const QString &text)
+{
+    d->m_widget->setDescriptionText(text);
+}
+
 bool VcsBaseSubmitEditor::isDescriptionMandatory() const
 {
     return d->m_widget->isDescriptionMandatory();

src/plugins/vcsbase/vcsbasesubmiteditor.h

@@ -155,6 +155,9 @@ protected:
     virtual QByteArray fileContents() const;
     virtual bool setFileContents(const QByteArray &contents);
 
+    QString description() const;
+    void setDescription(const QString &text);
+
     void setDescriptionMandatory(bool v);
     bool isDescriptionMandatory() const;