interim commit

Week 7/Source/Managers/Preset Manager/PresetManager.cpp

@@ -15,6 +15,8 @@ PresetManager::PresetManager(ProcessorInterface* inInterface)
 : mProcessorInterface(inInterface)
 {
     auto presetsFolder = FolderManager::getPresetsFolder();
+
+    _constructPresetFilesArray();
 }
 
 /* */
@@ -23,6 +25,17 @@ PresetManager::~PresetManager()
 
 }
 
+/* */
+void PresetManager::loadPreset(int inListIndex)
+{
+    auto file_to_load = mPresetFiles[inListIndex];
+
+    std::unique_ptr<XmlElement> preset_xml(parseXML(file_to_load));
+
+    juce::ValueTree parameter_tree = juce::ValueTree::fromXml(*preset_xml);
+    mProcessorInterface->getParameterManager()->getValueTree()->replaceState(parameter_tree);
+}
+
 /* */
 void PresetManager::saveCurrentPreset(String inPresetName)
 {
@@ -39,17 +52,28 @@ void PresetManager::saveCurrentPreset(String inPresetName)
     }
 
     preset_file.appendText(xml->toString());
+
+    _constructPresetFilesArray();
 }
 
 StringArray PresetManager::getCurrentPresetNames()
 {
     StringArray preset_names;
 
+    for (auto file : mPresetFiles) {
+        preset_names.add(file.getFileNameWithoutExtension());
+    }
+
+    return preset_names;
+}
+
+void PresetManager::_constructPresetFilesArray()
+{
+    mPresetFiles.clear();
+
     RangedDirectoryIterator iter(FolderManager::getPresetsFolder(), false, "*.xml");
 
     for (auto entry : iter) {
-        preset_names.add(entry.getFile().getFileNameWithoutExtension());
+        mPresetFiles.add(entry.getFile());
     }
-
-    return preset_names;
 }

Week 7/Source/Managers/Preset Manager/PresetManager.h

@@ -21,6 +21,9 @@ class PresetManager {
     /* */
     ~PresetManager();
 
+    /* */
+    void loadPreset(int inListIndex);
+
     /* */
     StringArray getCurrentPresetNames();
 
@@ -29,6 +32,11 @@ class PresetManager {
 
 private:
 
+    /* */
+    void _constructPresetFilesArray();
+
+    Array<File> mPresetFiles;
+
     ProcessorInterface* mProcessorInterface;
 };
 

Week 7/Source/PluginEditor.cpp

@@ -52,18 +52,15 @@ CoursePluginAudioProcessorEditor::CoursePluginAudioProcessorEditor (CoursePlugin
         if (chooser.browseForFileToSave(true)) {
             String file_name = chooser.getResult().getFileNameWithoutExtension();
             audioProcessor.getPresetManager()->saveCurrentPreset(file_name);
+            _updatePresetComboBoxOptions();
         }
     };
 
+    _updatePresetComboBoxOptions();
 
-    // PRESET LOAD DROPDOWN
-    auto preset_names = audioProcessor.getPresetManager()->getCurrentPresetNames();
-
-    int id = 1;
-    for (auto preset_name : preset_names) {
-        mPresetOptions.addItem(preset_name, id);
-        id++;
-    }
+    mPresetOptions.onChange = [this]() {
+        audioProcessor.getPresetManager()->loadPreset(mPresetOptions.getSelectedItemIndex());
+    };
 
     addAndMakeVisible(mPresetOptions);
 
@@ -99,3 +96,17 @@ void CoursePluginAudioProcessorEditor::resized()
     mSavePreset.setBounds(getWidth()-100, 0, 100, 50);
     mPresetOptions.setBounds(getWidth()-100, 50, 100, 50);
 }
+
+void CoursePluginAudioProcessorEditor::_updatePresetComboBoxOptions()
+{
+    mPresetOptions.clear(dontSendNotification);
+
+    // PRESET LOAD DROPDOWN
+    auto preset_names = audioProcessor.getPresetManager()->getCurrentPresetNames();
+
+    int id = 1;
+    for (auto preset_name : preset_names) {
+        mPresetOptions.addItem(preset_name, id);
+        id++;
+    }
+}

Week 7/Source/PluginEditor.h

@@ -42,6 +42,8 @@ class CoursePluginAudioProcessorEditor  : public juce::AudioProcessorEditor
     void resized() override;
 
 private:
+
+    void _updatePresetComboBoxOptions();
 
     OwnedArray<Slider> mSliders;
     OwnedArray<AudioProcessorValueTreeState::SliderAttachment> mSliderAttachments;