Magic Cube

///////////////////////////////////////////////////////////////////////////////////////////////////

// Copyright 2020 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Magic Cube.                                                              //

//                                                                                               //

// Magic Cube 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 2 of the License, or                             //

// (at your option) any later version.                                                           //

//                                                                                               //

// Magic Cube 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 Magic Cube.  If not, see <http://www.gnu.org/licenses/>.                           //

///////////////////////////////////////////////////////////////////////////////////////////////////

package org.distorted.uistate;

import android.content.SharedPreferences;

import android.graphics.PorterDuff;

import android.graphics.drawable.Drawable;

import android.support.v4.content.ContextCompat;

import android.util.DisplayMetrics;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.Button;

import android.widget.ImageButton;

import android.widget.LinearLayout;

import org.distorted.component.HorizontalNumberPicker;

import org.distorted.magic.R;

import org.distorted.magic.RubikActivity;

import org.distorted.object.RubikObjectList;

///////////////////////////////////////////////////////////////////////////////////////////////////

public class RubikStatePlay extends RubikStateAbstract

  {

  private static final int MIN_SCRAMBLE =  1;

  private static final int DEF_SCRAMBLE =  1;

  public  static final int MAX_SCRAMBLE = 18;

  private static final int DEF_OBJECT   = RubikObjectList.CUBE.ordinal();

  private static final int DEF_SIZE     =  1;  // i.e. the second from the list of CUBE's sizes

  private HorizontalNumberPicker mPicker;

  private int mPickerValue;

  private int mObject = DEF_OBJECT;

  private int mSize   = DEF_SIZE;

///////////////////////////////////////////////////////////////////////////////////////////////////

  void leaveState(RubikActivity act)

    {

    mPickerValue = mPicker.getValue();

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  void enterState(RubikActivity act)

    {

    LayoutInflater inflater = act.getLayoutInflater();

    // TOP ////////////////////////////

    LinearLayout layoutTop = act.findViewById(R.id.mainTitle);

    layoutTop.removeAllViews();

    final View viewTop = inflater.inflate(R.layout.play_title, null);

    layoutTop.addView(viewTop);

    // BOT ////////////////////////////

    LinearLayout layoutBot = act.findViewById(R.id.mainBar);

    layoutBot.removeAllViews();

    DisplayMetrics metrics = act.getResources().getDisplayMetrics();

    float scale = metrics.density;

    int size    = (int)(60*scale + 0.5f);

    int padding = (int)( 3*scale + 0.5f);

    ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(size,size);

    for(int i=0; i< RubikObjectList.NUM_OBJECTS; i++)

      {

      int[] iconIDs = RubikObjectList.getObject(i).getIconIDs();

      int len = iconIDs.length;

      for(int s=0; s<len; s++)

        {

        ImageButton button = new ImageButton(act);

        button.setLayoutParams(params);

        button.setId(RubikObjectList.pack(i,s));

        button.setPadding(padding,0,padding,0);

        button.setImageResource(iconIDs[s]);

        button.setOnClickListener(act);

        layoutBot.addView(button);

        }

      }

    ViewGroup.LayoutParams params2 = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,size);

    Button button = new Button(act);

    button.setLayoutParams(params2);

    button.setId(BUTTON_ID_BACK);

    button.setPadding(padding,0,padding,0);

    button.setText(R.string.back);

    button.setOnClickListener(act);

    layoutBot.addView(button);

    markButton(act,mObject,mSize);

    mPicker = act.findViewById(R.id.rubikNumberPicker);

    if( mPicker!=null )

      {

      mPicker.setMin(MIN_SCRAMBLE);

      mPicker.setMax(MAX_SCRAMBLE);

      mPicker.setValue(mPickerValue);

      }

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public void savePreferences(SharedPreferences.Editor editor)

    {

    if( mPicker!=null )

      {

      editor.putInt("statePlay_scramble", mPicker.getValue() );

      }

    editor.putInt("statePlay_object", mObject);

    editor.putInt("statePlay_size"  , mSize);

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public void restorePreferences(SharedPreferences preferences)

    {

    mPickerValue= preferences.getInt("statePlay_scramble", DEF_SCRAMBLE);

    mObject     = preferences.getInt("statePlay_object"  , DEF_OBJECT  );

    mSize       = preferences.getInt("statePlay_size"    , DEF_SIZE    );

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public int getPicker()

    {

    return mPicker!=null ? mPicker.getValue() : 1;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public int getObject()

    {

    return mObject;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public int getSize()

    {

    return mSize;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public void markButton(RubikActivity act, int object, int size)

    {

    mObject = object;

    mSize   = size;

    int lookingFor = RubikObjectList.pack(object,size);

    int len = RubikObjectList.getTotal();

    for(int button=0; button<len; button++)

      {

      Drawable d = act.findViewById(button).getBackground();

      if( button==lookingFor )

        {

        d.setColorFilter(ContextCompat.getColor(act,R.color.red), PorterDuff.Mode.MULTIPLY);

        }

      else

        {

        d.clearColorFilter();

        }

      }

    }

  }