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.magic;

import android.support.annotation.NonNull;

import android.support.v4.app.FragmentActivity;

import android.support.v4.view.PagerAdapter;

import android.support.v4.view.ViewPager;

import android.view.View;

import android.view.ViewGroup;

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class RubikScoresViewPager extends PagerAdapter implements RubikScoresDownloader.Receiver

  {

  private FragmentActivity mAct;

  private RubikScoresView[] mViews;

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  RubikScoresViewPager(FragmentActivity act, ViewPager viewPager)

    {

    mAct = act;

    mViews = new RubikScoresView[getCount()];

    viewPager.setAdapter(this);

    viewPager.setOffscreenPageLimit( RubikSize.LENGTH-1 );

    }

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  public void receive(final String scores)

    {

    mAct.runOnUiThread(new Runnable()

      {

      @Override

      public void run()

        {

        for(int i=0; i<RubikSize.LENGTH; i++)

          {

          mViews[i].prepareView(mAct);

          }

        int begin=-1 ,end, len = scores.length();

        while( begin<len )

          {

          end = scores.indexOf('\n', begin+1);

          if( end<0 ) end = len;

          sendRow(scores.substring(begin+1,end));

          begin = end;

          }

        }

      });

    }

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  private void sendRow(String row)

    {

    int s1 = row.indexOf(' ');

    int s2 = row.indexOf(' ',s1+1);

    int s3 = row.indexOf(' ',s2+1);

    int s4 = row.indexOf(' ',s3+1);

    int s5 = row.indexOf(' ',s4+1);

    int s6 = row.length();

    if( s5>s4 && s4>s3 && s3>s2 && s2>s1 && s1>0 )

      {

      int size       = Integer.valueOf( row.substring(   0,s1) );

      int levl       = Integer.valueOf( row.substring(s1+1,s2) );

      String place   = row.substring(s2+1, s3);

      String name    = row.substring(s3+1, s4);

      int time       = Integer.valueOf( row.substring(s4+1,s5) );

      String country = row.substring(s5+1, s6);

      if( size>=0 && size< RubikSize.LENGTH )

        {

        mViews[size].fillRow(mAct, levl, place, time, name, country);

        }

      else

        {

        android.util.Log.e("receive", "row invalid: size invalid: "+row);

        }

      }

    else

      {

      android.util.Log.e("receive", "row invalid: "+row);

      }

    }

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

  @Override

  @NonNull

  public Object instantiateItem(@NonNull ViewGroup collection, int position)

    {

    mViews[position] = new RubikScoresView(mAct,position);

    collection.addView(mViews[position]);

    boolean allCreated = true;

    for(int i=0; i<RubikSize.LENGTH; i++)

      {

      if( mViews[i]==null )

        {

        allCreated = false;

        break;

        }

      }

    if( allCreated )

      {

      RubikScoresDownloader downloader = new RubikScoresDownloader();

      downloader.download(this);

      }

    return mViews[position];

    }

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  @Override

  public void destroyItem(ViewGroup collection, int position, @NonNull Object view)

    {

    collection.removeView((View) view);

    }

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

  @Override

  public int getCount()

    {

    return RubikSize.LENGTH;

    }

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

  @Override

  public boolean isViewFromObject(@NonNull View view, @NonNull Object object)

    {

    return view == object;

    }

  }