PresetListBox.h

#pragma once

class PresetListBox   : public juce::ListBoxModel,
                        public juce::ChangeBroadcaster,
                        public juce::ChangeListener
{
public:
    PresetListBox()
    {
        settings->addChangeListener (this);
    }

    ~PresetListBox() override
    {
        settings->removeChangeListener (this);
    }

    void setPresetsNode (juce::ValueTree node)
    {
        presets = node;
        sendChangeMessage();
    }

    int getNumRows() override
    {
        return presets.getNumChildren();
    }

    void listBoxItemClicked (int rowNumber, const juce::MouseEvent& event) override
    {
        if (event.mods.isPopupMenu())
        {
            juce::PopupMenu::Options options;
            juce::PopupMenu menu;
            menu.addItem ("Remove", [this, rowNumber]()
            {
                presets.removeChild (rowNumber, nullptr);
            });
            menu.showMenuAsync (options);
        }

        if (onSelectionChanged)
            onSelectionChanged (rowNumber);
    }

    void paintListBoxItem (int rowNumber, juce::Graphics &g, int width, int height, bool rowIsSelected) override
    {
        auto bounds = juce::Rectangle<int> (0, 0, width, height);
        if (rowIsSelected)
        {
            g.setColour (juce::Colours::grey);
            g.fillRect (bounds);
        }

        g.setColour (juce::Colours::silver);
        g.drawFittedText (presets.getChild (rowNumber).getProperty ("name", "foo").toString(), bounds, juce::Justification::centredLeft, 1);
    }

    void changeListenerCallback (juce::ChangeBroadcaster*) override
    {
        presets = settings->settings.getOrCreateChildWithName ("presets", nullptr);
        // forward to ListBox
        sendChangeMessage();
    }

    std::function<void(int rowNumber)> onSelectionChanged;

private:
    juce::ValueTree presets;
    foleys::SharedApplicationSettings settings;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PresetListBox)
};