JUCE/extras/Projucer/Source/ComponentEditor/Properties/jucer_JustificationProperty.h

/*
  ==============================================================================

   This file is part of the JUCE library.
   Copyright (c) 2017 - ROLI Ltd.

   JUCE is an open source library subject to commercial or open-source
   licensing.

   By using JUCE, you agree to the terms of both the JUCE 5 End-User License
   Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
   27th April 2017).

   End User License Agreement: www.juce.com/juce-5-licence
   Privacy Policy: www.juce.com/juce-5-privacy-policy

   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.

  ==============================================================================
*/

#pragma once


//==============================================================================
class JustificationProperty  : public ChoicePropertyComponent
{
public:
    JustificationProperty (const String& name, const bool onlyHorizontalOptions)
        : ChoicePropertyComponent (name)
    {
        if (onlyHorizontalOptions)
        {
            choices.add ("centre");
            choices.add ("left");
            choices.add ("right");
        }
        else
        {
            choices.add ("centred");
            choices.add ("centred left");
            choices.add ("centred right");
            choices.add ("centred top");
            choices.add ("centred bottom");
            choices.add ("top left");
            choices.add ("top right");
            choices.add ("bottom left");
            choices.add ("bottom right");
        }
    }

    //==============================================================================
    virtual void setJustification (Justification newJustification) = 0;
    virtual Justification getJustification() const = 0;

    //==============================================================================
    void setIndex (int newIndex)
    {
        const int types[] = { Justification::centred,
                              Justification::centredLeft,
                              Justification::centredRight,
                              Justification::centredTop,
                              Justification::centredBottom,
                              Justification::topLeft,
                              Justification::topRight,
                              Justification::bottomLeft,
                              Justification::bottomRight };

        if (((unsigned int) newIndex) < (unsigned int) numElementsInArray (types)
             && types [newIndex] != getJustification().getFlags())
        {
            setJustification (Justification (types [newIndex]));
        }
    }

    int getIndex() const
    {
        const int types[] = { Justification::centred,
                              Justification::centredLeft,
                              Justification::centredRight,
                              Justification::centredTop,
                              Justification::centredBottom,
                              Justification::topLeft,
                              Justification::topRight,
                              Justification::bottomLeft,
                              Justification::bottomRight };

        const int rawFlags = getJustification().getFlags();

        for (int i = numElementsInArray (types); --i >= 0;)
            if (types[i] == rawFlags)
                return i;

        return -1;
    }
};