Undo: implement undo of rating and visibility rating

This was rather trivial and modeled after the previous edit
UndoCommands. Since this is the first time we're editing
integers a new constructor instantiation had to be added.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

desktop-widgets/command.cpp

@@ -145,4 +145,14 @@ void editSuit(const QVector<dive *> dives, const QString &newValue, const QStrin
 	execute(new EditSuit(dives, newValue, oldValue));
 }
 
+void editRating(const QVector<dive *> dives, int newValue, int oldValue)
+{
+	execute(new EditRating(dives, newValue, oldValue));
+}
+
+void editVisibility(const QVector<dive *> dives, int newValue, int oldValue)
+{
+	execute(new EditVisibility(dives, newValue, oldValue));
+}
+
 } // namespace Command

desktop-widgets/command.h

@@ -55,6 +55,8 @@ void purgeUnusedDiveSites();
 void editNotes(const QVector<dive *> dives, const QString &newValue, const QString &oldValue);
 void editSuit(const QVector<dive *> dives, const QString &newValue, const QString &oldValue);
 void editMode(const QVector<dive *> dives, int index, int newValue, int oldValue);
+void editRating(const QVector<dive *> dives, int newValue, int oldValue);
+void editVisibility(const QVector<dive *> dives, int newValue, int oldValue);
 
 } // namespace Command
 

desktop-widgets/command_edit.cpp

@@ -68,6 +68,8 @@ void EditBase<T>::undo()
 // class by virtue of a "using" declaration.
 template
 EditBase<QString>::EditBase(const QVector<dive *> &dives, QString oldValue, QString newValue);
+template
+EditBase<int>::EditBase(const QVector<dive *> &dives, int oldValue, int newValue);
 
 // Undo and redo do the same as just the stored value is exchanged
 template<typename T>
@@ -122,6 +124,48 @@ DiveField EditSuit::fieldId() const
 	return DiveField::SUIT;
 }
 
+// ***** Rating *****
+void EditRating::set(struct dive *d, int value) const
+{
+	d->rating = value;
+}
+
+int EditRating::data(struct dive *d) const
+{
+	return d->rating;
+}
+
+QString EditRating::fieldName() const
+{
+	return tr("rating");
+}
+
+DiveField EditRating::fieldId() const
+{
+	return DiveField::RATING;
+}
+
+// ***** Visibility ****
+void EditVisibility::set(struct dive *d, int value) const
+{
+	d->visibility = value;
+}
+
+int EditVisibility::data(struct dive *d) const
+{
+	return d->visibility;
+}
+
+QString EditVisibility::fieldName() const
+{
+	return tr("visibility");
+}
+
+DiveField EditVisibility::fieldId() const
+{
+	return DiveField::VISIBILITY;
+}
+
 // ***** Mode *****
 // Editing the dive mode has very peculiar semantics for historic reasons:
 // Since the dive-mode depends on the dive computer, the i-th dive computer

desktop-widgets/command_edit.h

@@ -65,6 +65,24 @@ public:
 	DiveField fieldId() const override;
 };
 
+class EditRating : public EditBase<int> {
+public:
+	using EditBase<int>::EditBase;	// Use constructor of base class.
+	void set(struct dive *d, int value) const override;
+	int data(struct dive *d) const override;
+	QString fieldName() const override;
+	DiveField fieldId() const override;
+};
+
+class EditVisibility : public EditBase<int> {
+public:
+	using EditBase<int>::EditBase;	// Use constructor of base class.
+	void set(struct dive *d, int value) const override;
+	int data(struct dive *d) const override;
+	QString fieldName() const override;
+	DiveField fieldId() const override;
+};
+
 class EditMode : public EditBase<int> {
 	int index;
 public:

desktop-widgets/tab-widgets/maintab.cpp

@@ -342,6 +342,12 @@ void MainTab::divesEdited(const QVector<dive *> &, DiveField field)
 		return;
 
 	switch(field) {
+	case DiveField::RATING:
+		ui.rating->setCurrentStars(current_dive->rating);
+		break;
+	case DiveField::VISIBILITY:
+		ui.visibility->setCurrentStars(current_dive->visibility);
+		break;
 	case DiveField::SUIT:
 		ui.suit->setText(QString(current_dive->suit));
 		break;
@@ -798,10 +804,6 @@ void MainTab::acceptChanges()
 		struct dive *cd = current_dive;
 		// now check if something has changed and if yes, edit the selected dives that
 		// were identical with the master dive shown (and mark the divelist as changed)
-		if (displayed_dive.rating != cd->rating)
-			MODIFY_DIVES(selectedDives, EDIT_VALUE(rating));
-		if (displayed_dive.visibility != cd->visibility)
-			MODIFY_DIVES(selectedDives, EDIT_VALUE(visibility));
 		if (displayed_dive.airtemp.mkelvin != cd->airtemp.mkelvin)
 			MODIFY_DIVES(selectedDives, EDIT_VALUE(airtemp.mkelvin));
 		if (displayed_dive.watertemp.mkelvin != cd->watertemp.mkelvin)
@@ -1378,24 +1380,18 @@ void MainTab::on_notes_editingFinished()
 
 void MainTab::on_rating_valueChanged(int value)
 {
-	if (acceptingEdit == true)
+	if (acceptingEdit == true || !current_dive)
 		return;
-	if (displayed_dive.rating != value) {
+
-		displayed_dive.rating = value;
+	Command::editRating(getSelectedDivesCurrentLast(), value, current_dive->rating);
-		modified = true;
-		enableEdition();
-	}
 }
 
 void MainTab::on_visibility_valueChanged(int value)
 {
-	if (acceptingEdit == true)
+	if (acceptingEdit == true || !current_dive)
 		return;
-	if (displayed_dive.visibility != value) {
+
-		displayed_dive.visibility = value;
+	Command::editVisibility(getSelectedDivesCurrentLast(), value, current_dive->visibility);
-		modified = true;
-		enableEdition();
-	}
 }
 
 #undef MODIFY_DIVES