Magic Cube

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

// Copyright 2020 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Magic Cube.                                                              //

//                                                                                               //

// Magic Cube is proprietary software licensed under an EULA which you should have received      //

// along with the code. If not, check https://distorted.org/magic/License-Magic-Cube.html        //

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

package org.distorted.config;

import android.os.Build;

import android.util.TypedValue;

import android.view.Gravity;

import android.view.View;

import android.widget.GridLayout;

import android.widget.ImageButton;

import android.widget.LinearLayout;

import android.widget.PopupWindow;

import android.widget.ScrollView;

import android.widget.TextView;

import org.distorted.helpers.PopupCreator;

import org.distorted.helpers.TransparentImageButton;

import org.distorted.main.MainActivity;

import org.distorted.main.R;

import org.distorted.objects.RubikObject;

import org.distorted.objects.RubikObjectList;

import static android.view.View.inflate;

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

public class ConfigScreen

{

  private static final float TEXT_SIZE = 0.0310f;

  private static final float PADDING   = 0.0060f;

  private static final float MARGIN    = 0.0024f;

  private static final int NUM_COLUMNS = 5;

  private static final int[] mLocation = new int[2];

  private static final float POPUP_PADDING = 0.028f;

  private static final float POPUP_MARGIN  = 0.016f;

  private TransparentImageButton mBackButton, mObjectButton, mPrevButton, mNextButton;

  private TextView mMovesText;

  private PopupWindow mObjectPopup;

  private ConfigScreenPane mPane;

  private int mObjectOrdinal;

  private int mColCount, mRowCount, mMaxRowCount;

  private int mObjectSize;

  private int mBarHeight;

  private float mButtonSize;

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

  private void setupObjectWindow(final ConfigActivity act, final float width, final float height)

    {

    int numObjects= RubikObjectList.getNumObjects();

    mRowCount = (numObjects + NUM_COLUMNS-1) / NUM_COLUMNS;

    mColCount = NUM_COLUMNS;

    int cubeSize  = (int)( (Math.min(width,(int)(height*0.7f))) / 9 );

    int margin    = (int)(height*POPUP_MARGIN);

    int padding   = (int)(height*POPUP_PADDING);

    mObjectSize   = (int)(cubeSize + 2*margin + 0.5f);

    mMaxRowCount  = (int)((height-mBarHeight)/mObjectSize);

    ScrollView view = (ScrollView)inflate( act, R.layout.popup_object_simple, null);

    GridLayout objectGrid = view.findViewById(R.id.objectGrid);

    PopupCreator.createObjectGrid(objectGrid,act,mRowCount,mColCount,numObjects,margin,cubeSize,padding);

    for(int child=0; child<numObjects; child++)

      {

      final RubikObject obj = RubikObjectList.getObject(child);

      View v = objectGrid.getChildAt(child);

      ImageButton button = PopupCreator.getButton(obj,v);

      final int ordinal = child;

      button.setOnClickListener( new View.OnClickListener()

        {

        @Override

        public void onClick(View v)

          {

          if( mObjectOrdinal!=ordinal )

            {

            mObjectOrdinal = ordinal;

            act.changeObject(mObjectOrdinal);

            mMovesText.setText(act.getString(R.string.mo_placeholder,mObjectOrdinal+1,numObjects));

            mPane.updatePane(act,mObjectOrdinal);

            }

          mObjectPopup.dismiss();

          }

        });

      }

    mObjectPopup = new PopupWindow(act);

    mObjectPopup.setFocusable(true);

    mObjectPopup.setContentView(view);

    }

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

  private void setupBackButton(final ConfigActivity act)

    {

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT);

    mBackButton = new TransparentImageButton(act,R.drawable.ui_smallback,params);

    mBackButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        act.finish();

        }

      });

    }

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

  private void setupObjectButton(final ConfigActivity act, final int width, final int height)

    {

    final int margin= (int)(height*MARGIN);

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT);

    mObjectButton = new TransparentImageButton(act,R.drawable.ui_cube_menu,params);

    mObjectButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View view)

        {

        if( mObjectPopup==null )

          {

          setupObjectWindow(act,width,height);

          }

        int rowCount = Math.min(mMaxRowCount,mRowCount);

        View popupView = mObjectPopup.getContentView();

        popupView.setSystemUiVisibility(MainActivity.FLAGS);

        displayPopup(act,view,mObjectPopup,mObjectSize*mColCount,mObjectSize*rowCount+5*margin,margin,margin);

        }

      });

    }

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

// work around lame bugs in Android's version <= 10 pop-up and split-screen modes

  private void displayPopup(ConfigActivity act, View view, PopupWindow window, int w, int h, int xoff, int yoff)

    {

    View topLayout = act.findViewById(R.id.mainLayout);

    boolean isFullScreen;

    if( topLayout!=null )

      {

      topLayout.getLocationOnScreen(mLocation);

      isFullScreen = (mLocation[1]==0);

      }

    else

      {

      isFullScreen = true;

      }

    try

      {

      // if on Android 11 or we are fullscreen

      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R || isFullScreen )

        {

        window.showAsDropDown(view, xoff, yoff, Gravity.CENTER);

        window.update(view, w, h);

        }

      else  // Android 10 or below in pop-up mode or split-screen mode

        {

        view.getLocationOnScreen(mLocation);

        int width  = view.getWidth();

        int height = view.getHeight();

        int x = mLocation[0]+(width-w)/2;

        int y = mLocation[1]+height+yoff;

        window.showAsDropDown(view);

        window.update(x,y,w,h);

        }

      }

    catch( IllegalArgumentException iae )

      {

      // ignore, this means window is 'not attached to window manager' -

      // which most probably is because we are already exiting the app.

      }

    }

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

  private void prevObject(ConfigActivity act, int numObjects)

    {

    mObjectOrdinal--;

    if( mObjectOrdinal<0 ) mObjectOrdinal=numObjects-1;

    act.changeObject(mObjectOrdinal);

    mPane.updatePane(act,mObjectOrdinal);

    }

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

  private void nextObject(ConfigActivity act, int numObjects)

    {

    mObjectOrdinal++;

    if( mObjectOrdinal>=numObjects ) mObjectOrdinal=0;

    act.changeObject(mObjectOrdinal);

    mPane.updatePane(act,mObjectOrdinal);

    }

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

  private void setupPrevButton(final ConfigActivity act)

    {

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

    mPrevButton = new TransparentImageButton(act,R.drawable.ui_left,params);

    mPrevButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        int numObjects = RubikObjectList.getNumObjects();

        prevObject(act,numObjects);

        mMovesText.setText(act.getString(R.string.mo_placeholder,mObjectOrdinal+1,numObjects));

        }

      });

    }

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

  private void setupNextButton(final ConfigActivity act)

    {

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

    mNextButton = new TransparentImageButton(act,R.drawable.ui_right,params);

    mNextButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        int numObjects = RubikObjectList.getNumObjects();

        nextObject(act,numObjects);

        mMovesText.setText(act.getString(R.string.mo_placeholder,mObjectOrdinal+1,numObjects));

        }

      });

    }

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

  private void setupTextView(final ConfigActivity act, final float height, int numObjects)

    {

    int padding = (int)(height*PADDING);

    int margin  = (int)(height*MARGIN);

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

    params.topMargin    = margin;

    params.bottomMargin = margin;

    params.leftMargin   = margin;

    params.rightMargin  = margin;

    mMovesText = new TextView(act);

    mMovesText.setTextSize(20);

    mMovesText.setLayoutParams(params);

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

    mMovesText.setGravity(Gravity.CENTER);

    mMovesText.setTextSize(TypedValue.COMPLEX_UNIT_PX, mButtonSize);

    mMovesText.setText(act.getString(R.string.mo_placeholder,mObjectOrdinal+1,numObjects));

    }

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

  void onAttachedToWindow(final ConfigActivity act, final int objectOrdinal)

    {

    int numObjects = RubikObjectList.getNumObjects();

    int width = act.getScreenWidthInPixels();

    int height= act.getScreenHeightInPixels();

    mBarHeight = act.getHeightBar();

    mButtonSize = height*TEXT_SIZE;

    mObjectOrdinal = objectOrdinal;

    LinearLayout.LayoutParams paramsL = new LinearLayout.LayoutParams(width/4, LinearLayout.LayoutParams.MATCH_PARENT);

    LinearLayout.LayoutParams paramsM = new LinearLayout.LayoutParams(width/2, LinearLayout.LayoutParams.MATCH_PARENT);

    LinearLayout.LayoutParams paramsR = new LinearLayout.LayoutParams(width/4, LinearLayout.LayoutParams.MATCH_PARENT);

    LinearLayout layoutLeft = new LinearLayout(act);

    layoutLeft.setLayoutParams(paramsL);

    LinearLayout layoutMid  = new LinearLayout(act);

    layoutMid.setLayoutParams(paramsM);

    LinearLayout layoutRight= new LinearLayout(act);

    layoutRight.setLayoutParams(paramsR);

    setupObjectButton(act,width,height);

    setupPrevButton(act);

    setupNextButton(act);

    setupTextView(act,height,numObjects);

    setupBackButton(act);

    layoutLeft.addView(mObjectButton);

    layoutMid.addView(mPrevButton);

    layoutMid.addView(mMovesText);

    layoutMid.addView(mNextButton);

    layoutRight.addView(mBackButton);

    LinearLayout layout = act.findViewById(R.id.lowerBar);

    layout.removeAllViews();

    layout.addView(layoutLeft);

    layout.addView(layoutMid);

    layout.addView(layoutRight);

    mPane = new ConfigScreenPane(act,mObjectOrdinal);

    }

}