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.states;

import android.content.Context;

import android.content.SharedPreferences;

import android.graphics.drawable.BitmapDrawable;

import android.os.Build;

import android.util.DisplayMetrics;

import android.view.Gravity;

import android.view.LayoutInflater;

import android.view.View;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.Button;

import android.widget.ImageButton;

import android.widget.LinearLayout;

import android.widget.PopupWindow;

import androidx.appcompat.widget.AppCompatSpinner;

import org.distorted.main.R;

import org.distorted.main.RubikActivity;

import org.distorted.objects.RubikObjectList;

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

public class RubikStatePlay extends RubikStateAbstract implements AdapterView.OnItemSelectedListener

  {

  private static final int DEF_LEVEL =  1;

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

  public  static final int DEF_SIZE  =  3;

  private ImageButton mObjButton;

  private Button mBackButton, mSolveButton, mPlayButton;

  private PopupWindow mPopup;

  private int mObject = DEF_OBJECT;

  private int mSize   = DEF_SIZE;

  private int mLayoutWidth;

  private LinearLayout mLayout;

  private AppCompatSpinner mLevelSpinner;

  private ArrayAdapter<String> mSpinnerAdapter;

  private int mLevelValue;

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

  void leaveState(RubikActivity act)

    {

    }

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

  void enterState(final RubikActivity act)

    {

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

    final float scale = metrics.density;

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

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

    layoutTop.removeAllViews();

    if( mObjButton   ==null ) setupObjectButton(act,scale);

    layoutTop.addView(mObjButton);

    if( mLevelSpinner==null ) setupLevelSpinner(act,scale);

    layoutTop.addView(mLevelSpinner);

    if( mPlayButton  ==null ) setupPlayButton(act,scale);

    layoutTop.addView(mPlayButton);

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

    if( mSolveButton==null ) setupSolveButton(act,scale);

    LinearLayout layoutLeft = act.findViewById(R.id.mainBarLeft);

    layoutLeft.removeAllViews();

    layoutLeft.addView(mSolveButton);

    if( mBackButton==null ) setupBackButton(act,scale);

    LinearLayout layoutRight = act.findViewById(R.id.mainBarRight);

    layoutRight.removeAllViews();

    layoutRight.addView(mBackButton);

    if( mPopup==null ) setupPopupWindow(act, scale);

    }

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

  private void setupObjectButton(final RubikActivity act, final float scale)

    {

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

    LinearLayout.LayoutParams objectParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.MATCH_PARENT);

    mObjButton = new ImageButton(act);

    mObjButton.setLayoutParams(objectParams);

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

    mObjButton.setImageResource(R.drawable.cube_menu);

    mObjButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View view)

        {

        if( act.getPostRender().canPlay() )

          {

          int total = RubikObjectList.getTotal();

          boolean vertical = act.isVertical();

          mLayout.setOrientation(vertical ? LinearLayout.VERTICAL:LinearLayout.HORIZONTAL);

          int width  = view.getWidth();

          int layhei = mLayoutWidth * (vertical? total:1);

          int laywid = mLayoutWidth * (vertical? 1:total);

          mPopup.showAsDropDown(view, (width-laywid)/2, 0, Gravity.LEFT);

          if( android.os.Build.VERSION.SDK_INT <= Build.VERSION_CODES.LOLLIPOP_MR1 )

            {

            mPopup.update(view, laywid, layhei);

            }

          }

        }

      });

    }

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

  private void setupLevelSpinner(final RubikActivity act, final float scale)

    {

    int spinnerPadding = (int)(scale* 10 + 0.5f);

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

    int spinnerLength  = (int)(scale*150 + 0.5f);

    LinearLayout.LayoutParams spinnerLayoutParams = new LinearLayout.LayoutParams(spinnerLength,LinearLayout.LayoutParams.MATCH_PARENT);

    spinnerLayoutParams.topMargin    =   spinnerMargin;

    spinnerLayoutParams.bottomMargin =   spinnerMargin;

    spinnerLayoutParams.leftMargin   =   spinnerMargin;

    spinnerLayoutParams.rightMargin  = 2*spinnerMargin;

    mLevelSpinner = new AppCompatSpinner(act);

    mLevelSpinner.setLayoutParams(spinnerLayoutParams);

    mLevelSpinner.setPadding(spinnerPadding,0,spinnerPadding,0);

    mLevelSpinner.setBackgroundResource(R.drawable.spinner);

    mLevelSpinner.setTextAlignment(View.TEXT_ALIGNMENT_CENTER);

    mLevelSpinner.setOnItemSelectedListener(this);

    int sizeIndex = RubikObjectList.getSizeIndex(mObject,mSize);

    int maxLevel = RubikObjectList.getMaxLevel(mObject, sizeIndex);

    String[] levels = new String[maxLevel];

    for(int i=0; i<maxLevel; i++)

      {

      levels[i] = act.getString(R.string.lv_placeholder,i+1);

      }

    mSpinnerAdapter = new ArrayAdapter<>(act,android.R.layout.simple_spinner_item, levels);

    mSpinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

    mLevelSpinner.setAdapter(mSpinnerAdapter);

    mLevelSpinner.setSelection(mLevelValue-1);

    }

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

  private void setupPlayButton(final RubikActivity act, final float scale)

    {

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

    LinearLayout.LayoutParams backParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.MATCH_PARENT);

    mPlayButton = new Button(act);

    mPlayButton.setLayoutParams(backParams);

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

    mPlayButton.setText(R.string.play);

    mPlayButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        act.getPostRender().scrambleObject(mLevelValue);

        }

      });

    }

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

  private void setupSolveButton(final RubikActivity act, final float scale)

    {

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

    LinearLayout.LayoutParams backParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT);

    mSolveButton = new Button(act);

    mSolveButton.setLayoutParams(backParams);

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

    mSolveButton.setText(R.string.solve);

    mSolveButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        act.getPostRender().solveObject();

        }

      });

    }

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

  private void setupBackButton(final RubikActivity act, final float scale)

    {

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

    LinearLayout.LayoutParams backParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT);

    mBackButton = new Button(act);

    mBackButton.setLayoutParams(backParams);

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

    mBackButton.setText(R.string.back);

    mBackButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        if( act.getPostRender().canPlay() ) RubikState.goBack(act);

        }

      });

    }

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

  private void setupPopupWindow(final RubikActivity act, final float scale)

    {

    LayoutInflater layoutInflater = (LayoutInflater)act.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

    final View layout = layoutInflater.inflate(R.layout.popup_objects, null);

    mLayout = layout.findViewById(R.id.popup);

    mPopup = new PopupWindow(act);

    mPopup.setContentView(layout);

    mPopup.setFocusable(true);

    int margin = (int)(5*scale + 0.5f);

    BitmapDrawable bd = (BitmapDrawable) act.getResources().getDrawable(R.drawable.cube2);

    int cubeWidth  = bd.getIntrinsicWidth();

    mLayoutWidth = (int)(cubeWidth + 2*margin + 0.5f);

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

      {

      final RubikObjectList list = RubikObjectList.getObject(object);

      final int[] sizes = list.getSizes();

      int[] icons = list.getIconIDs();

      int len = sizes.length;

      final int obj = object;

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

        {

        final int size = i;

        LinearLayout.LayoutParams p = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);

        p.setMargins(margin, margin, margin, margin);

        ImageButton button = new ImageButton(act);

        button.setLayoutParams(p);

        button.setBackgroundResource(icons[i]);

        button.setOnClickListener( new View.OnClickListener()

          {

          @Override

          public void onClick(View v)

            {

            if( act.getPostRender().canPlay() && RubikState.getCurrentState()==RubikState.PLAY )

              {

              mObject = obj;

              mSize   = sizes[size];

              act.changeObject(list,sizes[size],null);

              int sizeIndex = RubikObjectList.getSizeIndex(mObject,mSize);

              int maxLevel  = RubikObjectList.getMaxLevel(mObject, sizeIndex);

              String[] levels = new String[maxLevel];

              for(int i=0; i<maxLevel; i++)

                {

                levels[i] = act.getString(R.string.lv_placeholder,i+1);

                }

              mSpinnerAdapter = new ArrayAdapter<>(act,android.R.layout.simple_spinner_item, levels);

              mSpinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

              mLevelSpinner.setAdapter(mSpinnerAdapter);

              }

            mPopup.dismiss();

            }

          });

        mLayout.addView(button);

        }

      }

    }

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

  public void savePreferences(SharedPreferences.Editor editor)

    {

    editor.putInt("statePlay_level" , mLevelValue);

    editor.putInt("statePlay_object", mObject);

    editor.putInt("statePlay_size"  , mSize);

    mObjButton   = null;

    mBackButton  = null;

    mSolveButton = null;

    mPlayButton  = null;

    mLevelSpinner= null;

    if( mPopup!=null )

      {

      mPopup.dismiss();

      mPopup = null;

      }

    }

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

  public void restorePreferences(SharedPreferences preferences)

    {

    mLevelValue = preferences.getInt("statePlay_level" , DEF_LEVEL );

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

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

    }

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

  public boolean setObjectAndSize(RubikObjectList obj, int size)

    {

    boolean success = false;

    for( int s: obj.getSizes() )

      if( s==size )

        {

        success = true;

        break;

        }

    if( success )

      {

      mObject = obj.ordinal();

      mSize   = size;

      }

    return success;

    }

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

  int getLevel()

    {

    return mLevelValue;

    }

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

  public int getObject()

    {

    return mObject;

    }

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

  public int getSize()

    {

    return mSize;

    }

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

  public void onItemSelected(AdapterView<?> parent, View view, int pos, long id)

    {

    mLevelValue = pos+1;

    }

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

  public void onNothingSelected(AdapterView<?> parent) { }

  }