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/>.                           //

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

package org.distorted.uistate;

import android.content.Context;

import android.content.SharedPreferences;

import android.graphics.drawable.BitmapDrawable;

import android.util.DisplayMetrics;

import android.view.Gravity;

import android.view.LayoutInflater;

import android.view.View;

import android.widget.Button;

import android.widget.ImageButton;

import android.widget.LinearLayout;

import android.widget.PopupWindow;

import org.distorted.component.HorizontalNumberPicker;

import org.distorted.magic.R;

import org.distorted.magic.RubikActivity;

import org.distorted.object.RubikObjectList;

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public class RubikStatePlay extends RubikStateAbstract

  {

  private static final int MIN_SCRAMBLE =  1;

  private static final int DEF_SCRAMBLE =  1;

  public  static final int MAX_SCRAMBLE = 18;

  private static final int DEF_OBJECT   = RubikObjectList.CUBE.ordinal();

  private static final int DEF_SIZE     =  1;  // i.e. the second from the list of CUBE's sizes

  private ImageButton mObjButton;

  private Button mBackButton;

  private PopupWindow mPopup;

  private HorizontalNumberPicker mPicker;

  private int mPickerValue;

  private int mObject = DEF_OBJECT;

  private int mSize   = DEF_SIZE;

  private int mLayoutWidth, mLayoutHeight;

  private LinearLayout mLayout;

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  void leaveState(RubikActivity act)

    {

    mPickerValue = mPicker.getValue();

    }

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

  void enterState(final RubikActivity act, RubikState prev)

    {

    LayoutInflater inflater = act.getLayoutInflater();

    // TOP ////////////////////////////

    final View viewTop = inflater.inflate(R.layout.play_title, null);

    LinearLayout layoutTop = act.findViewById(R.id.mainTitle);

    layoutTop.removeAllViews();

    layoutTop.addView(viewTop);

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

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

    final float scale = metrics.density;

    if( mObjButton==null ) setupObjectButton(act,scale);

    LinearLayout layoutLeft = act.findViewById(R.id.mainBarLeft);

    layoutLeft.removeAllViews();

    layoutLeft.addView(mObjButton);

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

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

    layoutRight.removeAllViews();

    layoutRight.addView(mBackButton);

    mPicker = act.findViewById(R.id.rubikNumberPicker);

    mPicker.setMin(MIN_SCRAMBLE);

    mPicker.setMax(MAX_SCRAMBLE);

    mPicker.setValue(mPickerValue);

    if( mPopup==null ) setupPopupWindow(act, scale);

    }

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

  private void setupObjectButton(final RubikActivity act, final float scale)

    {

    int padding = (int)(3*scale + 0.5f);

    LinearLayout.LayoutParams objectParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.MATCH_PARENT);

    mObjButton = new ImageButton(act);

    mObjButton.setLayoutParams(objectParams);

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

    mObjButton.setImageResource(R.drawable.cube_menu);

    mObjButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View view)

        {

        int total = RubikObjectList.getTotal();

        boolean vertical = act.isVertical();

        mLayout.setOrientation(vertical ? LinearLayout.VERTICAL:LinearLayout.HORIZONTAL);

        int height = view.getHeight();

        int width  = view.getWidth();

        int laywid = mLayoutWidth * (vertical? 1:total);

        int layhei = mLayoutHeight* (vertical? total:1);

        mPopup.showAsDropDown(view, (width-laywid)/2, -height-layhei, Gravity.LEFT);

        }

      });

    }

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

  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(act);

    }

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

  private void setupPopupWindow(final RubikActivity act, final float scale)

    {

    LayoutInflater layoutInflater = (LayoutInflater)act.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

    final View layout = layoutInflater.inflate(R.layout.popup_objects, null);

    mLayout = layout.findViewById(R.id.popup);

    mPopup = new PopupWindow(act);

    mPopup.setContentView(layout);

    mPopup.setFocusable(true);

    int margin = (int)(5*scale + 0.5f);

    BitmapDrawable bd = (BitmapDrawable) act.getResources().getDrawable(R.drawable.cube2);

    int cubeWidth  = bd.getIntrinsicWidth();

    int cubeHeight = bd.getIntrinsicHeight();

    mLayoutWidth = (int)(cubeWidth + 2*margin + 0.5f);

    mLayoutHeight= (int)(cubeHeight+ 2*margin + 0.5f);

    for(int object=0; object<RubikObjectList.NUM_OBJECTS; object++)

      {

      RubikObjectList list = RubikObjectList.getObject(object);

      int[] sizes = list.getSizes();

      int[] icons = list.getIconIDs();

      int len = sizes.length;

      final int obj = object;

      for(int i=0; i<len; i++)

        {

        final int size = i;

        LinearLayout.LayoutParams p = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);

        p.setMargins(margin, margin, margin, margin);

        ImageButton button = new ImageButton(act);

        button.setLayoutParams(p);

        button.setBackgroundResource(icons[i]);

        button.setOnClickListener( new View.OnClickListener()

          {

          @Override

          public void onClick(View v)

            {

            mObject = obj;

            mSize   = size;

            act.changeObject(obj,size);

            mPopup.dismiss();

            }

          });

        mLayout.addView(button);

        }

      }

    }

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

  public void savePreferences(SharedPreferences.Editor editor)

    {

    if( mPicker!=null )

      {

      editor.putInt("statePlay_scramble", mPicker.getValue() );

      }

    editor.putInt("statePlay_object", mObject);

    editor.putInt("statePlay_size"  , mSize);

    mObjButton = null;

    mBackButton= null;

    if( mPopup!=null )

      {

      mPopup.dismiss();

      mPopup     = null;

      }

    }

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

  public void restorePreferences(SharedPreferences preferences)

    {

    mPickerValue= preferences.getInt("statePlay_scramble", DEF_SCRAMBLE);

    mObject     = preferences.getInt("statePlay_object"  , DEF_OBJECT  );

    mSize       = preferences.getInt("statePlay_size"    , DEF_SIZE    );

    }

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

  public int getPicker()

    {

    return mPicker!=null ? mPicker.getValue() : 1;

    }

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

  public int getObject()

    {

    return mObject;

    }

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

  public int getSize()

    {

    return mSize;

    }

  }