init

Source/PresetManager.h

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+#pragma once
+#include <JuceHeader.h>
+
+class FDNReverbAudioProcessor;
+
+// -----------------------------------------------------------------------------
+//  PresetManager
+// -----------------------------------------------------------------------------
+// preset file manage .
+//
+// save location : ~/Documents/Ambivalence/Presets/*.ambpreset
+// : APVTS getStateInformation/setStateInformation
+// -> existing save fully reused , minimizes added code
+//
+// real-time safety :
+// - file I/O all message thread (UI) assumed to be called
+// - processBlock not involved at all
+// -----------------------------------------------------------------------------
+class PresetManager
+{
+public:
+    explicit PresetManager(FDNReverbAudioProcessor& processor);
+
+     // --- preset operations ---
+    bool savePreset(const juce::String& name);
+    bool loadPreset(const juce::String& name);
+    bool deletePreset(const juce::String& name);
+
+     // --- navigation ---
+    void loadPrevPreset();
+    void loadNextPreset();
+
+     // --- state access ---
+    juce::StringArray getPresetNames()       const noexcept { return presetNames; }
+     // --- after changes ---
+    juce::String      getCurrentPresetName() const noexcept { return currentPresetName; }
+     void setCurrentPresetName(const juce::String& name) noexcept { currentPresetName = name; } // * added
+    int               getCurrentPresetIndex() const noexcept;
+
+    bool              hasPresets()           const noexcept { return !presetNames.isEmpty(); }
+
+     // --- folder access ---
+    juce::File getPresetsFolder() const;
+
+     // --- UI update callback ---
+    std::function<void()>                    onPresetListChanged;
+    std::function<void(const juce::String&)> onPresetLoaded;
+
+private:
+    void       refreshPresetList();
+    juce::File getPresetFile(const juce::String& name) const;
+
+    FDNReverbAudioProcessor& processor;
+    juce::StringArray        presetNames;
+    juce::String             currentPresetName;
+
+    static constexpr const char* kExtension = ".ambpreset";
+    static constexpr const char* kSubFolder = "Ambivalence/Presets";
+};