#6396 no dialog when no doc changes were done and check-in or revert is done

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35828 a592a061-630c-0410-9148-cb99ea01b6c8

src/LyXVC.cpp

@@ -165,7 +165,9 @@ string LyXVC::checkIn()
 	docstring empty(_("(no log message)"));
 	docstring response;
 	string log;
-	bool ok = Alert::askForText(response, _("LyX VC: Log Message"));
+	bool ok = true;
+	if (vcs->isCheckInWithConfirmation())
+		ok = Alert::askForText(response, _("LyX VC: Log Message"));
 	if (ok) {
 		if (response.empty())
 			response = empty;
@@ -214,8 +216,10 @@ void LyXVC::revert()
 	docstring text = bformat(_("Reverting to the stored version of the "
 				"document %1$s will lose all current changes.\n\n"
 				"Do you want to revert to the older version?"), file);
-	int const ret = Alert::prompt(_("Revert to stored version of document?"),
-		text, 0, 1, _("&Revert"), _("&Cancel"));
+	int ret = 0;
+	if (vcs->isRevertWithConfirmation())
+		ret = Alert::prompt(_("Revert to stored version of document?"),
+			text, 0, 1, _("&Revert"), _("&Cancel"));
 
 	if (ret == 0)
 		vcs->revert();

src/VCBackend.cpp

@@ -195,6 +195,12 @@ bool RCS::checkInEnabled()
 	return owner_ && !owner_->isReadonly();
 }
 
+bool RCS::isCheckInWithConfirmation()
+{
+	//FIXME diff
+	return true;
+}
+
 
 string RCS::checkOut()
 {
@@ -247,6 +253,13 @@ void RCS::revert()
 }
 
 
+bool RCS::isRevertWithConfirmation()
+{
+	//FIXME owner && diff ?
+	return true;
+}
+
+
 void RCS::undoLast()
 {
 	LYXERR(Debug::LYXVC, "LyXVC: undoLast");
@@ -612,6 +625,13 @@ bool CVS::checkInEnabled()
 }
 
 
+bool CVS::isCheckInWithConfirmation()
+{
+	CvsStatus status = getStatus();
+	return status == LocallyModified || status == LocallyAdded;
+}
+
+
 string CVS::checkOut()
 {
 	if (vcstatus != NOLOCKING && edit())
@@ -705,6 +725,13 @@ bool CVS::lockingToggleEnabled()
 }
 
 
+bool CVS::isRevertWithConfirmation()
+{
+	CvsStatus status = getStatus();
+	return !owner_->isClean() || status == LocallyModified || status == NeedsMerge;
+}
+
+
 void CVS::revert()
 {
 	// Reverts to the version in CVS repository and
@@ -724,17 +751,22 @@ void CVS::revert()
 		owner_->markClean();
 		break;
 	}
-	case LocallyAdded:
+	case LocallyAdded: {
+		docstring const file = owner_->fileName().displayName(20);
 		frontend::Alert::error(_("Revision control error."),
-			_("The current file is not in repository.\n"
-			  "You have to check in the first revision before you can revert.")) ;
+			bformat(_("The document %1$s is not in repository.\n"
+			          "You have to check in the first revision before you can revert."),
+				file)) ;
 		break;
-	default:
+	}
+	default: {
+		docstring const file = owner_->fileName().displayName(20);
 		frontend::Alert::error(_("Revision control error."),
-			bformat(_("Bad status when checking in changes.\n"
-					  "\n'%1$s'\n\n"),
-				toString(status)));
+			bformat(_("Cannot revert document %1$s to repository version.\n"
+			          "The status '%2$s' is unexpected."),
+				file, toString(status)));
 		break;
+		}
 	}
 }
 
@@ -928,6 +960,13 @@ bool SVN::checkInEnabled()
 }
 
 
+bool SVN::isCheckInWithConfirmation()
+{
+	//FIXME diff
+	return true;
+}
+
+
 // FIXME Correctly return code should be checked instead of this.
 // This would need another solution than just plain startscript.
 // Hint from Andre': QProcess::readAllStandardError()...
@@ -1129,7 +1168,7 @@ bool SVN::lockingToggleEnabled()
 
 void SVN::revert()
 {
-	// Reverts to the version in CVS repository and
+	// Reverts to the version in SVN repository and
 	// gets the updated version from the repository.
 	string const fil = quoteName(onlyFileName(owner_->absFileName()));
 
@@ -1139,6 +1178,13 @@ void SVN::revert()
 }
 
 
+bool SVN::isRevertWithConfirmation()
+{
+	//FIXME owner && diff
+	return true;
+}
+
+
 void SVN::undoLast()
 {
 	// merge the current with the previous version

src/VCBackend.h

@@ -42,6 +42,8 @@ public:
 	virtual std::string checkIn(std::string const & msg) = 0;
 	// can be this operation processed in the current RCS?
 	virtual bool checkInEnabled() = 0;
+	// should a log message provided for next checkin?
+	virtual bool isCheckInWithConfirmation() = 0;
 	/// check out for editing, returns log
 	virtual std::string checkOut() = 0;
 	// can be this operation processed in the current RCS?
@@ -56,6 +58,8 @@ public:
 	virtual bool lockingToggleEnabled() = 0;
 	/// revert current edits
 	virtual void revert() = 0;
+	// should a confirmation before revert requested?
+	virtual bool isRevertWithConfirmation() = 0;
 	/// FIXME
 	virtual void undoLast() = 0;
 	// can be this operation processed in the current RCS?
@@ -129,6 +133,8 @@ public:
 
 	virtual bool checkInEnabled();
 
+	virtual bool isCheckInWithConfirmation();
+
 	virtual std::string checkOut();
 
 	virtual bool checkOutEnabled();
@@ -143,6 +149,8 @@ public:
 
 	virtual void revert();
 
+	virtual bool isRevertWithConfirmation();
+
 	virtual void undoLast();
 
 	virtual bool undoLastEnabled();
@@ -190,6 +198,8 @@ public:
 
 	virtual bool checkInEnabled();
 
+	virtual bool isCheckInWithConfirmation();
+
 	virtual std::string checkOut();
 
 	virtual bool checkOutEnabled();
@@ -202,6 +212,8 @@ public:
 
 	virtual bool lockingToggleEnabled();
 
+	virtual bool isRevertWithConfirmation();
+
 	virtual void revert();
 
 	virtual void undoLast();
@@ -287,6 +299,8 @@ public:
 
 	virtual bool checkInEnabled();
 
+	virtual bool isCheckInWithConfirmation();
+
 	virtual std::string checkOut();
 
 	virtual bool checkOutEnabled();
@@ -301,6 +315,8 @@ public:
 
 	virtual void revert();
 
+	virtual bool isRevertWithConfirmation();
+
 	virtual void undoLast();
 
 	virtual bool undoLastEnabled();