/************************** BEGIN JuceParameterUI.h **************************/
/************************************************************************
 FAUST Architecture File
 Copyright (C) 2003-2017 GRAME, Centre National de Creation Musicale
 ---------------------------------------------------------------------
 This Architecture section is free software; you can redistribute it
 and/or modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 3 of
 the License, or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; If not, see <http://www.gnu.org/licenses/>.
 
 EXCEPTION : As a special exception, you may create a larger work
 that contains this FAUST architecture section and distribute
 that work under terms of your choice, so long as this FAUST
 architecture section is not modified.
 ************************************************************************/

#ifndef JuceParameterUI_H
#define JuceParameterUI_H

#include "../JuceLibraryCode/JuceHeader.h"

#include "faust/gui/GUI.h"
#include "faust/gui/PathBuilder.h"

// Link AudioParameterBool with on/off parameter

struct FaustPlugInAudioParameterBool : public juce::AudioParameterBool, public uiOwnedItem {
    
    FaustPlugInAudioParameterBool(GUI* gui, FAUSTFLOAT* zone, const std::string& path, const std::string& label)
    :juce::AudioParameterBool(path, label, false), uiOwnedItem(gui, zone)
    {}
    
    virtual ~FaustPlugInAudioParameterBool() {}
    
    void reflectZone() override
    {
        FAUSTFLOAT v = *fZone;
        fCache = v;
        setValueNotifyingHost(float(v));
    }
    
    virtual void setValue (float newValue) override
    {
        modifyZone(FAUSTFLOAT(newValue));
    }
    
};

// Link AudioParameterFloat with range parameters

struct FaustPlugInAudioParameterFloat : public juce::AudioParameterFloat, public uiOwnedItem {
    
    FaustPlugInAudioParameterFloat(GUI* gui, FAUSTFLOAT* zone, const std::string& path, const std::string& label, FAUSTFLOAT init, FAUSTFLOAT min, FAUSTFLOAT max, FAUSTFLOAT step)
    :juce::AudioParameterFloat(path, label, float(min), float(max), float(init)), uiOwnedItem(gui, zone)
    {}
    
    virtual ~FaustPlugInAudioParameterFloat() {}
    
    void reflectZone() override
    {
        FAUSTFLOAT v = *fZone;
        fCache = v;
        if (v >= range.start && v <= range.end) {
            setValueNotifyingHost(range.convertTo0to1(float(v)));
        }
    }
    
    virtual void setValue (float newValue) override
    {
        modifyZone(FAUSTFLOAT(range.convertFrom0to1(newValue)));
    }
    
};

// A class to create AudioProcessorParameter objects for each zone

class JuceParameterUI : public GUI, public PathBuilder {
    
    private:
        
        juce::AudioProcessor* fProcessor;
        
    public:
        
        JuceParameterUI(juce::AudioProcessor* processor):fProcessor(processor)
        {}
    
        virtual ~JuceParameterUI() {}
        
        // -- widget's layouts
        
        virtual void openTabBox(const char* label)
        {
            pushLabel(label);
        }
        virtual void openHorizontalBox(const char* label)
        {
            pushLabel(label);
        }
        virtual void openVerticalBox(const char* label)
        {
            pushLabel(label);
        }
        virtual void closeBox()
        {
            popLabel();
        }
        
        // -- active widgets
        
        virtual void addButton(const char* label, FAUSTFLOAT* zone)
        {
            fProcessor->addParameter(new FaustPlugInAudioParameterBool(this, zone, buildPath(label), label));
        }
        virtual void addCheckButton(const char* label, FAUSTFLOAT* zone)
        {
            fProcessor->addParameter(new FaustPlugInAudioParameterBool(this, zone, buildPath(label), label));
        }
        
        virtual void addVerticalSlider(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT init, FAUSTFLOAT min, FAUSTFLOAT max, FAUSTFLOAT step)
        {
            fProcessor->addParameter(new FaustPlugInAudioParameterFloat(this, zone, buildPath(label), label, init, min, max, step));
        }
        
        virtual void addHorizontalSlider(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT init, FAUSTFLOAT min, FAUSTFLOAT max, FAUSTFLOAT step)
        {
            fProcessor->addParameter(new FaustPlugInAudioParameterFloat(this, zone, buildPath(label), label, init, min, max, step));
        }
        
        virtual void addNumEntry(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT init, FAUSTFLOAT min, FAUSTFLOAT max, FAUSTFLOAT step)
        {
            fProcessor->addParameter(new FaustPlugInAudioParameterFloat(this, zone, buildPath(label), label, init, min, max, step));
        }
        
        // -- passive widgets
        
        virtual void addHorizontalBargraph(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT min, FAUSTFLOAT max)
        {
            fProcessor->addParameter(new FaustPlugInAudioParameterFloat(this, zone, buildPath(label), label, 0, min, max, 0));
        }
        
        virtual void addVerticalBargraph(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT min, FAUSTFLOAT max)
        {
            fProcessor->addParameter(new FaustPlugInAudioParameterFloat(this, zone, buildPath(label), label, 0, min, max, 0));
        }
    
};

#endif
/**************************  END  JuceParameterUI.h **************************/
