Magic Cube

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

// Copyright 2023 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.dialogs;

import android.content.Context;

import android.util.TypedValue;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseExpandableListAdapter;

import android.widget.TextView;

import org.distorted.objectlib.patterns.RubikPattern;

import org.distorted.main.R;

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

class RubikDialogPatternListAdapter extends BaseExpandableListAdapter

  {

  private static final float PATTERN_CHILD_TEXT  = 0.038f;

  private static final float PATTERN_GROUP_TEXT  = 0.060f;

  private final Context mContext;

  private final int mTab, mWidth;

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

  public RubikDialogPatternListAdapter(Context context, int tab, int width)

    {

    mContext = context;

    mTab     = tab;

    mWidth   = width;

    }

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

  @Override

  public Object getChild(int groupPosition, int childPosition)

    {

    RubikPattern pattern = RubikPattern.getInstance();

    return pattern.getPatternName(mTab,groupPosition,childPosition);

    }

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

  @Override

  public long getChildId(int groupPosition, int childPosition)

    {

    return childPosition;

    }

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

  @Override

  public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View view, ViewGroup parent)

    {

    String childName = (String) getChild(groupPosition, childPosition);

    if (view == null)

      {

      LayoutInflater infalInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

      view = infalInflater.inflate(R.layout.dialog_pattern_child_item, null);

      }

    int size = (int)(mWidth*PATTERN_CHILD_TEXT);

    TextView childItem = view.findViewById(R.id.child);

    childItem.setText(childName);

    childItem.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);

    return view;

    }

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

  @Override

  public int getChildrenCount(int groupPosition)

    {

    RubikPattern pattern = RubikPattern.getInstance();

    return pattern.getNumPatterns(mTab,groupPosition);

    }

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

  @Override

  public Object getGroup(int groupPosition)

    {

    RubikPattern pattern = RubikPattern.getInstance();

    return pattern.getCategoryName(mTab,groupPosition);

    }

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

  @Override

  public int getGroupCount()

    {

    RubikPattern pattern = RubikPattern.getInstance();

    return pattern.getNumCategories(mTab);

    }

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

  @Override

  public long getGroupId(int groupPosition)

    {

    return groupPosition;

    }

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

  @Override

  public View getGroupView(int groupPosition, boolean isLastChild, View view, ViewGroup parent)

    {

    String groupName = (String) getGroup(groupPosition);

    if (view == null)

      {

      LayoutInflater inf = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

      view = inf.inflate(R.layout.dialog_pattern_group_item, null);

      }

    int size = (int)(mWidth*PATTERN_GROUP_TEXT);

    TextView heading = view.findViewById(R.id.heading);

    heading.setText(groupName);

    heading.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);

    RubikPattern pattern = RubikPattern.getInstance();

    int numPatterns = pattern.getNumPatterns(mTab,groupPosition);

    TextView counter = view.findViewById(R.id.counter);

    counter.setText(String.format("%d", numPatterns));

    counter.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);

    return view;

    }

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

  @Override

  public boolean hasStableIds()

    {

    return true;

    }

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

  @Override

  public boolean isChildSelectable(int groupPosition, int childPosition)

    {

    return true;

    }

  }