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.os.Bundle;

import android.support.v4.app.FragmentManager;

import android.util.DisplayMetrics;

import android.view.Gravity;

import android.view.LayoutInflater;

import android.view.View;

import android.widget.Button;

import android.widget.ImageButton;

import android.widget.LinearLayout;

import android.widget.TextView;

import org.distorted.dialog.RubikDialogPattern;

import org.distorted.magic.R;

import org.distorted.magic.RubikActivity;

import org.distorted.magic.RubikPostRender;

import org.distorted.object.RubikObjectList;

import org.distorted.patterns.RubikPattern;

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

public class RubikStatePattern extends RubikStateAbstract

  {

  // TODO: read this from upper_text.xml;  this is the height of the TextView there.

  private static final int DEFAULT_TEXT_SIZE = 30;

  private TextView mText;

  private Button mBackButton;

  private ImageButton mPrevButton, mNextButton;

  private TextView mMovesText;

  private int mNumMoves;

  private int mSizeIndex, mCategory, mPattern;

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

  RubikStatePattern()

    {

    }

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

  void leaveState(RubikActivity act)

    {

    RubikStatePlay play = (RubikStatePlay)RubikState.PLAY.getStateClass();

    int s = RubikObjectList.CUBE.getSizes()[mSizeIndex];

    if( !play.setObjectAndSize(RubikObjectList.CUBE, s) )

      {

      int object= play.getObject();

      int size  = play.getSize();

      act.changeObject(RubikObjectList.getObject(object),size,null);

      }

    }

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

  void enterState(final RubikActivity act)

    {

    RubikStatePlay play = (RubikStatePlay)RubikState.PLAY.getStateClass();

    int obj  = play.getObject();

    int size = play.getSize();

    if( size>=RubikPattern.MIN_CUBE && size<=RubikPattern.MAX_CUBE && obj==RubikObjectList.CUBE.ordinal() )

      {

      mSizeIndex = RubikObjectList.getSizeIndex(obj,size);

      }

    else

      {

      mSizeIndex = RubikObjectList.getSizeIndex(RubikObjectList.CUBE.ordinal(),RubikStatePlay.DEF_SIZE);

      act.changeObject(RubikObjectList.CUBE,RubikStatePlay.DEF_SIZE,null);

      }

    FragmentManager mana = act.getSupportFragmentManager();

    RubikDialogPattern diag = (RubikDialogPattern) mana.findFragmentByTag(RubikDialogPattern.getDialogTag());

    if( diag==null ) showDialog(mana);

    LayoutInflater inflater = act.getLayoutInflater();

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

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

    layoutTop.removeAllViews();

    mText = (TextView)inflater.inflate(R.layout.upper_pattern_text, null);

    mText.setText(R.string.patterns);

    layoutTop.addView(mText);

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

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

    final float scale = metrics.density;

    if( mPrevButton==null ) setupPrevButton(act,scale);

    if( mNextButton==null ) setupNextButton(act,scale);

    if( mMovesText ==null ) setupTextView(act,scale);

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

    layoutLeft.removeAllViews();

    layoutLeft.addView(mPrevButton);

    layoutLeft.addView(mMovesText);

    layoutLeft.addView(mNextButton);

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

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

    layoutRight.removeAllViews();

    layoutRight.addView(mBackButton);

    }

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

  private void showDialog(FragmentManager manager)

    {

    Bundle bundle = new Bundle();

    int object = RubikObjectList.CUBE.ordinal();

    bundle.putInt("tab", RubikObjectList.pack(object,mSizeIndex) );

    RubikDialogPattern diag = new RubikDialogPattern();

    diag.setArguments(bundle);

    diag.show( manager, RubikDialogPattern.getDialogTag() );

    }

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

  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)

        {

        FragmentManager mana = act.getSupportFragmentManager();

        RubikDialogPattern diag = (RubikDialogPattern) mana.findFragmentByTag(RubikDialogPattern.getDialogTag());

        if( diag==null )

          {

          mText.setTextSize(DEFAULT_TEXT_SIZE);

          showDialog(mana);

          }

        else

          {

          diag.rememberState();

          diag.dismiss();

          RubikState.goBack(act);

          }

        }

      });

    }

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

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

    {

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

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0,LinearLayout.LayoutParams.MATCH_PARENT,1.0f);

    mPrevButton = new ImageButton(act);

    mPrevButton.setLayoutParams(params);

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

    mPrevButton.setImageResource(R.drawable.left);

    mPrevButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        RubikPattern pattern = RubikPattern.getInstance();

        RubikPostRender post = act.getPostRender();

        pattern.backMove( post, mSizeIndex, mCategory, mPattern);

        int currMove = pattern.getCurMove(mSizeIndex, mCategory, mPattern);

        mMovesText.setText(act.getString(R.string.mo_placeholder,currMove,mNumMoves));

        }

      });

    }

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

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

    {

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

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0,LinearLayout.LayoutParams.MATCH_PARENT, 1.0f);

    mNextButton = new ImageButton(act);

    mNextButton.setLayoutParams(params);

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

    mNextButton.setImageResource(R.drawable.right);

    mNextButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        RubikPattern pattern = RubikPattern.getInstance();

        RubikPostRender post = act.getPostRender();

        pattern.makeMove( post, mSizeIndex, mCategory, mPattern);

        int currMove = pattern.getCurMove(mSizeIndex, mCategory, mPattern);

        mMovesText.setText(act.getString(R.string.mo_placeholder,currMove,mNumMoves));

        }

      });

    }

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

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

    {

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

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0,LinearLayout.LayoutParams.MATCH_PARENT,2.0f);

    mMovesText = new TextView(act);

    mMovesText.setTextSize(20);

    mMovesText.setLayoutParams(params);

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

    mMovesText.setGravity(Gravity.CENTER);

    RubikPattern pattern = RubikPattern.getInstance();

    int currMove = pattern.getCurMove(mSizeIndex, mCategory, mPattern);

    mMovesText.setText(act.getString(R.string.mo_placeholder,currMove,mNumMoves));

    }

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

  public void setPattern(final RubikActivity act, int sizeIndex, int category, int pattern)

    {

    mSizeIndex = sizeIndex;

    mCategory  = category;

    mPattern   = pattern;

    RubikPattern patt = RubikPattern.getInstance();

    String patternName = patt.getPatternName(sizeIndex,category,pattern);

    mText.setText(patternName);

    mNumMoves   = patt.getNumMoves(sizeIndex,category,pattern);

    int currMove= patt.getCurMove(sizeIndex,category,pattern);

    mMovesText.setText(act.getString(R.string.mo_placeholder,currMove,mNumMoves));

    }

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

  public void savePreferences(SharedPreferences.Editor editor)

    {

    mBackButton= null;

    mPrevButton= null;

    mNextButton= null;

    mMovesText = null;

    }

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

  public void restorePreferences(SharedPreferences preferences)

    {

    }

  }