Class JsonUiDropdownInternal

src/platforms/shared/ui/json/dropdown.cpp.hpp:14–62

Definition of the internal class that was previously in dropdown_internal.h

// Definition of the internal class that was previously in dropdown_internal.h
class JsonUiDropdownInternal : public JsonUiInternal {
private:
    fl::vector<fl::string> mOptions;
    size_t mSelectedIndex;

public:
    // Constructor: Initializes the base JsonUiInternal with name and sets initial values.
    JsonUiDropdownInternal(const fl::string& name, const fl::vector<fl::string>& options, size_t selectedIndex = 0)
 FL_NOEXCEPT : JsonUiInternal(name), mOptions(options), mSelectedIndex(selectedIndex) {}

    // Override toJson to serialize the dropdown's data directly.
    void toJson(fl::json& json) const FL_NOEXCEPT override {
        json.set("name", name());
        json.set("type", "dropdown");
        json.set("group", groupName());
        json.set("id", id());
        json.set("value", static_cast<int>(mSelectedIndex));
        
        fl::json optionsArray = fl::json::array();
        for (const auto& option : mOptions) {
            optionsArray.push_back(option);
        }
        json.set("options", optionsArray);
    }

    // Override updateInternal to handle updates from JSON.
    void updateInternal(const fl::json& json) FL_NOEXCEPT override {
        int index = json | 0;
        if (index >= 0 && static_cast<size_t>(index) < mOptions.size()) {
            mSelectedIndex = static_cast<size_t>(index);
        }
    }

    // Accessors for the dropdown state.
    const fl::vector<fl::string>& options() const FL_NOEXCEPT { return mOptions; }
    size_t selectedIndex() const FL_NOEXCEPT { return mSelectedIndex; }
    void setSelectedIndex(size_t index) FL_NOEXCEPT { 
        if (index < mOptions.size()) {
            mSelectedIndex = index;
        }
    }
    
    fl::string value() const FL_NOEXCEPT {
        if (mSelectedIndex < mOptions.size()) {
            return mOptions[mSelectedIndex];
        }
        return fl::string();
    }
};

// Constructor with array of options and count
JsonDropdownImpl::JsonDropdownImpl(const fl::string &name, const fl::string* options, size_t count) FL_NOEXCEPT {