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.dialogs;

import android.app.Dialog;

import android.content.Context;

import android.content.DialogInterface;

import android.os.Bundle;

import android.util.DisplayMetrics;

import android.util.TypedValue;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.view.Window;

import android.view.WindowManager;

import android.widget.Button;

import android.widget.ImageView;

import android.widget.TextView;

import androidx.annotation.NonNull;

import androidx.appcompat.app.AlertDialog;

import androidx.appcompat.app.AppCompatDialogFragment;

import androidx.fragment.app.FragmentActivity;

import androidx.viewpager.widget.ViewPager;

import com.google.android.material.tabs.TabLayout;

import org.distorted.main.R;

import org.distorted.main.RubikActivity;

import org.distorted.objects.RubikObjectList;

import org.distorted.tutorials.TutorialList;

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public class RubikDialogTutorial extends AppCompatDialogFragment

  {

  private RubikDialogTutorialPagerAdapter mPagerAdapter;

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  @NonNull

  @Override

  public Dialog onCreateDialog(Bundle savedInstanceState)

    {

    final FragmentActivity act = getActivity();

    AlertDialog.Builder builder = new AlertDialog.Builder(act);

    DisplayMetrics displaymetrics = new DisplayMetrics();

    act.getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);

    int scrWidth = displaymetrics.widthPixels;

    final float titleSize= scrWidth*RubikActivity.MENU_BIG_TEXT_SIZE;

    final float okSize   = scrWidth*RubikActivity.DIALOG_BUTTON_SIZE;

    final int   tabHeight= (int)(scrWidth*RubikActivity.TAB_HEIGHT);

    final int   tabWidth = (int)(scrWidth*RubikActivity.TAB_WIDTH);

    LayoutInflater layoutInflater = act.getLayoutInflater();

    TextView tv = (TextView) layoutInflater.inflate(R.layout.dialog_title, null);

    tv.setTextSize(TypedValue.COMPLEX_UNIT_PX, titleSize);

    tv.setText(R.string.tutorials);

    builder.setCustomTitle(tv);

    builder.setPositiveButton( R.string.ok, new DialogInterface.OnClickListener()

      {

      @Override

      public void onClick(DialogInterface dialog, int which)

        {

        }

      });

    LayoutInflater inflater = act.getLayoutInflater();

    final View view = inflater.inflate(R.layout.dialog_tabbed, null);

    builder.setView(view);

    ViewPager viewPager = view.findViewById(R.id.viewpager);

    TabLayout tabLayout = view.findViewById(R.id.sliding_tabs);

    mPagerAdapter = new RubikDialogTutorialPagerAdapter(act,viewPager);

    tabLayout.setupWithViewPager(viewPager);

    viewPager.setCurrentItem(getTutorialOrdinal());

    ViewGroup.LayoutParams paramsView = new ViewGroup.LayoutParams( tabWidth,tabHeight );

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

      {

      TutorialList list = TutorialList.getObject(i);

      int iconID        = list.getIconID();

      ImageView imageView = new ImageView(act);

      imageView.setLayoutParams(paramsView);

      imageView.setImageResource(iconID);

      TabLayout.Tab tab = tabLayout.getTabAt(i);

      if(tab!=null) tab.setCustomView(imageView);

      }

    Dialog dialog = builder.create();

    dialog.setCanceledOnTouchOutside(false);

    Window window = dialog.getWindow();

    if( window!=null )

      {

      window.getDecorView().setSystemUiVisibility(RubikActivity.FLAGS);

      }

    dialog.setOnShowListener(new DialogInterface.OnShowListener()

      {

      @Override

      public void onShow(DialogInterface dialog)

        {

        Button btnPositive = ((AlertDialog)dialog).getButton(Dialog.BUTTON_POSITIVE);

        btnPositive.setTextSize(TypedValue.COMPLEX_UNIT_PX, okSize);

        }

      });

    return dialog;

    }

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  private int getTutorialOrdinal()

    {

    int obj = RubikObjectList.getCurrObject();

    int ret = TutorialList.getOrdinal(obj);

    if( ret<0 )

      {

      ret = TutorialList.getOrdinal(RubikObjectList.DEF_OBJECT);

      }

    return ret;

    }

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  @Override

  public void onResume()

    {

    super.onResume();

    if( mPagerAdapter!=null ) mPagerAdapter.clickPossible();

    Window window = getDialog().getWindow();

    Context context = getContext();

    if( window!=null && context!=null )

      {

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

      WindowManager.LayoutParams params = window.getAttributes();

      params.width  = WindowManager.LayoutParams.WRAP_CONTENT;

      params.height = (int)Math.min( 0.85f*metrics.heightPixels,1.3f*metrics.widthPixels );

      window.setAttributes(params);

      }

    }

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  public static String getDialogTag()

    {

    return "DialogTutorial";

    }

  }