Magic Cube

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// 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/>.                           //

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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.LayoutInflater;

import android.view.View;

import android.widget.Button;

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.object.RubikObjectList;

import org.distorted.patterns.RubikPattern;

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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 int mSize;

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  RubikStatePattern()

    {

    }

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  void leaveState(RubikActivity act)

    {

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

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

      {

      int object= play.getObject();

      int size  = play.getSize();

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

      }

    }

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  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() )

      {

      mSize = size;

      }

    else

      {

      mSize = RubikStatePlay.DEF_SIZE;

      act.changeObject(RubikObjectList.CUBE,mSize);

      }

    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_text, null);

    mText.setText(R.string.patterns);

    layoutTop.addView(mText);

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

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

    final float scale = metrics.density;

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

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

    layoutRight.removeAllViews();

    layoutRight.addView(mBackButton);

    }

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  private void showDialog(FragmentManager manager)

    {

    Bundle bundle = new Bundle();

    int object = RubikObjectList.CUBE.ordinal();

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

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

    RubikDialogPattern diag = new RubikDialogPattern();

    diag.setArguments(bundle);

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

    }

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  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.setId(BUTTON_ID_BACK);

    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);

          mText.setText(R.string.patterns);

          showDialog(mana);

          }

        else

          {

          diag.rememberCategories();

          diag.dismiss();

          RubikState.goBack(act);

          }

        }

      });

    }

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  public void setPattern(int sizeIndex, int category, int pattern)

    {

    mSize = RubikObjectList.CUBE.getSizes()[sizeIndex];

    RubikPattern patt = RubikPattern.getInstance();

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

    mText.setText(patternName);

    }

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  public void savePreferences(SharedPreferences.Editor editor)

    {

    mBackButton= null;

    }

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  public void restorePreferences(SharedPreferences preferences)

    {

    }

  }