SubmitEditorWidget: Add isDescriptionMandatory()

Usable for SCMs that do not require a message to commit

Change-Id: I6cf0c55698172ad1f53ab31cc8060fa2cbd1a5f5
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

src/libs/utils/submiteditorwidget.cpp

@@ -554,6 +554,11 @@ int SubmitEditorWidget::checkedFilesCount() const
     return checkedCount;
 }
 
+bool SubmitEditorWidget::isDescriptionMandatory() const
+{
+    return true;
+}
+
 QString SubmitEditorWidget::cleanupDescription(const QString &input) const
 {
     return input;
@@ -591,7 +596,7 @@ void SubmitEditorWidget::descriptionTextChanged()
 
 bool SubmitEditorWidget::canSubmit() const
 {
-    if (cleanupDescription(descriptionText()).trimmed().isEmpty())
+    if (isDescriptionMandatory() && cleanupDescription(descriptionText()).trimmed().isEmpty())
         return false;
     const unsigned checkedCount = checkedFilesCount();
     return d->m_emptyFileListEnabled || checkedCount > 0;

src/libs/utils/submiteditorwidget.h

@@ -125,6 +125,7 @@ private slots:
     void uncheckAll();
 
 protected:
+    virtual bool isDescriptionMandatory() const;
     virtual QString cleanupDescription(const QString &) const;
     virtual void changeEvent(QEvent *e);
     virtual QString commitName() const;