OptionProperty: ability to get the string description by passing a value

string getDescriptionByValue(int)

include/openspace/properties/optionproperty.h

@@ -96,7 +96,7 @@ public:
 
     /**
      * Returns the list of available options.
-     * /return The list of available options
+     * \return The list of available options
      */
     const std::vector<Option>& options() const;
 
@@ -107,6 +107,12 @@ public:
      */
     void setValue(int value) override;
 
+    /**
+    * Get the description of the option that matches <code>value</code>
+    * \param value The value of the option 
+    */
+    std::string getDescriptionByValue(int value);
+
 private:
     static const std::string OptionsKey;
     std::string generateAdditionalDescription() const;

src/properties/optionproperty.cpp

@@ -103,6 +103,14 @@ void OptionProperty::setValue(int value) {
     LERROR("Could not find an option for value '" << value << "' in OptionProperty");
 }
 
+std::string OptionProperty::getDescriptionByValue(int value) {
+    for (auto option : _options) {
+        if (option.value == value) {
+            return option.description;
+        }
+    }
+}
+
 std::string OptionProperty::generateAdditionalDescription() const {
     // @REFACTOR from selectionproperty.cpp, possible refactoring? ---abock
     std::string result;