Magic Cube

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

// Copyright 2019 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.dialogs;

import android.app.Dialog;

import android.content.DialogInterface;

import android.content.pm.PackageInfo;

import android.content.pm.PackageManager;

import android.os.Bundle;

import androidx.annotation.NonNull;

import androidx.fragment.app.FragmentActivity;

import androidx.appcompat.app.AlertDialog;

import androidx.appcompat.app.AppCompatDialogFragment;

import android.text.method.LinkMovementMethod;

import android.text.method.MovementMethod;

import android.util.DisplayMetrics;

import android.util.TypedValue;

import android.view.LayoutInflater;

import android.view.View;

import android.view.Window;

import android.view.WindowManager;

import android.widget.Button;

import android.widget.TextView;

import org.distorted.main.R;

import org.distorted.main.RubikActivity;

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

public class RubikDialogAbout extends AppCompatDialogFragment

  {

  @NonNull

  @Override

  public Dialog onCreateDialog(Bundle savedInstanceState)

    {

    FragmentActivity act = getActivity();

    LayoutInflater inflater = act.getLayoutInflater();

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

    DisplayMetrics displaymetrics = new DisplayMetrics();

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

    final float titleSize= displaymetrics.widthPixels * RubikActivity.MENU_BIG_TEXT_SIZE;

    final float okSize   = displaymetrics.widthPixels * RubikActivity.MENU_MEDIUM_TEXT_SIZE;

    final float textSize = displaymetrics.widthPixels * RubikActivity.MENU_SMALL_TEXT_SIZE;

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

    tv.setTextSize(TypedValue.COMPLEX_UNIT_PX, titleSize);

    tv.setText(R.string.about);

    builder.setCustomTitle(tv);

    builder.setCancelable(true);

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

      {

      @Override

      public void onClick(DialogInterface dialog, int which)

        {

        }

      });

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

    TextView text = view.findViewById(R.id.about_version);

    String appName = getString(R.string.app_name);

    text.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);

    text.setText(getString(R.string.ap_placeholder,appName, getAppVers(act)));

    MovementMethod mm = LinkMovementMethod.getInstance();

    TextView text1 = view.findViewById(R.id.about_section1);

    text1.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);

    text1.setMovementMethod(mm);

    TextView text2 = view.findViewById(R.id.about_section2);

    text2.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);

    text2.setMovementMethod(mm);

    TextView text3 = view.findViewById(R.id.about_section3);

    text3.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);

    text3.setMovementMethod(mm);

    TextView text4 = view.findViewById(R.id.about_section4);

    if( RubikActivity.localeIsChinese() )

      {

      text4.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);

      text4.setMovementMethod(mm);

      }

    else

      {

      text4.setVisibility(View.GONE);

      }

    builder.setView(view);

    Dialog dialog = builder.create();

    dialog.setCanceledOnTouchOutside(false);

    Window window = dialog.getWindow();

    if( window!=null )

      {

      window.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);

      }

    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;

    }

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

  private String getAppVers(FragmentActivity act)

    {

    try

      {

      PackageInfo pInfo = act.getPackageManager().getPackageInfo( act.getPackageName(), 0);

      return pInfo.versionName;

      }

    catch (PackageManager.NameNotFoundException e)

      {

      return "unknown";

      }

    }

  }