Android/folioreader/src/main/java/com/folioreader/ui/tableofcontents/adapter/TOCAdapter.java

   1 package com.folioreader.ui.tableofcontents.adapter;
   2
   3 import android.content.Context;
   4 import android.graphics.Color;
   5 import android.support.v4.content.ContextCompat;
   6 import android.support.v7.widget.RecyclerView;
   7 import android.view.LayoutInflater;
   8 import android.view.View;
   9 import android.view.ViewGroup;
  10 import android.widget.ImageView;
  11 import android.widget.LinearLayout;
  12 import android.widget.TextView;
  13
  14 import com.folioreader.Config;
  15 import com.folioreader.R;
  16 import com.folioreader.model.TOCLinkWrapper;
  17 import com.folioreader.util.MultiLevelExpIndListAdapter;
  18
  19 import java.util.ArrayList;
  20
  21 /**
  22  * Created by mahavir on 3/10/17.
  23  */
  24
  25 public class TOCAdapter extends MultiLevelExpIndListAdapter {
  26
  27     private static final int LEVEL_ONE_PADDING_PIXEL = 15;
  28
  29     private TOCCallback callback;
  30     private final Context mContext;
  31     private String selectedHref;
  32     private Config mConfig;
  33
  34     public TOCAdapter(Context context, ArrayList<TOCLinkWrapper> tocLinkWrappers, String selectedHref, Config config) {
  35         super(tocLinkWrappers);
  36         mContext = context;
  37         this.selectedHref = selectedHref;
  38         this.mConfig = config;
  39     }
  40
  41     public void setCallback(TOCCallback callback) {
  42         this.callback = callback;
  43     }
  44
  45     @Override
  46     public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
  47         return new TOCRowViewHolder(LayoutInflater.from(parent.getContext())
  48                 .inflate(R.layout.row_table_of_contents, parent, false));
  49     }
  50
  51     @Override
  52     public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
  53         TOCRowViewHolder viewHolder = (TOCRowViewHolder) holder;
  54         TOCLinkWrapper tocLinkWrapper = (TOCLinkWrapper) getItemAt(position);
  55
  56         if (tocLinkWrapper.getChildren() == null || tocLinkWrapper.getChildren().isEmpty()) {
  57             viewHolder.children.setVisibility(View.INVISIBLE);
  58         } else {
  59             viewHolder.children.setVisibility(View.VISIBLE);
  60         }
  61         viewHolder.sectionTitle.setText(tocLinkWrapper.getTocLink().bookTitle);
  62
  63         if(mConfig.isNightMode()) {
  64             if (tocLinkWrapper.isGroup()) {
  65                 viewHolder.children.setImageResource(R.drawable.ic_plus_white_24dp);
  66             } else {
  67                 viewHolder.children.setImageResource(R.drawable.ic_minus_white_24dp);
  68             }
  69         } else {
  70             if (tocLinkWrapper.isGroup()) {
  71                 viewHolder.children.setImageResource(R.drawable.ic_plus_black_24dp);
  72             } else {
  73                 viewHolder.children.setImageResource(R.drawable.ic_minus_black_24dp);
  74             }
  75         }
  76
  77 //        int leftPadding = getPaddingPixels(mContext, LEVEL_ONE_PADDING_PIXEL) * (tocLinkWrapper.getIndentation());
  78 //        viewHolder.view.setPadding(leftPadding, 0, 0, 0);
  79
  80         // set color to each indentation level
  81         if (tocLinkWrapper.getIndentation() == 0) {
  82             viewHolder.view.setBackgroundColor(Color.WHITE);
  83             viewHolder.sectionTitle.setTextColor(Color.BLACK);
  84         } else if (tocLinkWrapper.getIndentation() == 1) {
  85             viewHolder.view.setBackgroundColor(Color.parseColor("#f7f7f7"));
  86             viewHolder.sectionTitle.setTextColor(Color.BLACK);
  87         } else if (tocLinkWrapper.getIndentation() == 2) {
  88             viewHolder.view.setBackgroundColor(Color.parseColor("#b3b3b3"));
  89             viewHolder.sectionTitle.setTextColor(Color.WHITE);
  90         } else if (tocLinkWrapper.getIndentation() == 3) {
  91             viewHolder.view.setBackgroundColor(Color.parseColor("#f7f7f7"));
  92             viewHolder.sectionTitle.setTextColor(Color.BLACK);
  93         }
  94
  95         if (tocLinkWrapper.getChildren() == null || tocLinkWrapper.getChildren().isEmpty()) {
  96             viewHolder.children.setVisibility(View.INVISIBLE);
  97         } else {
  98             viewHolder.children.setVisibility(View.VISIBLE);
  99         }
 100
 101         if(mConfig.isNightMode()){
 102             viewHolder.container.setBackgroundColor(ContextCompat.getColor(mContext,
 103                     R.color.dark_night));
 104             viewHolder.children.setBackgroundColor(ContextCompat.getColor(mContext,
 105                     R.color.dark_night));
 106             viewHolder.sectionTitle.setTextColor(ContextCompat.getColor(mContext,
 107                     R.color.white));
 108         } else {
 109             viewHolder.container.setBackgroundColor(ContextCompat.getColor(mContext,
 110                     R.color.white));
 111             viewHolder.children.setBackgroundColor(ContextCompat.getColor(mContext,
 112                     R.color.white));
 113             viewHolder.sectionTitle.setTextColor(ContextCompat.getColor(mContext,
 114                     R.color.black));
 115         }
 116         if (tocLinkWrapper.getTocLink().href.equals(selectedHref)) {
 117             viewHolder.sectionTitle.setTextColor(ContextCompat.getColor(mContext, mConfig.getThemeColor()));
 118         }
 119     }
 120
 121     public interface TOCCallback {
 122         void onTocClicked(int position);
 123
 124         void onExpanded(int position);
 125     }
 126
 127     public class TOCRowViewHolder extends RecyclerView.ViewHolder {
 128         public ImageView children;
 129         TextView sectionTitle;
 130         private LinearLayout container;
 131         private View view;
 132
 133         TOCRowViewHolder(View itemView) {
 134             super(itemView);
 135             view = itemView;
 136             children = (ImageView) itemView.findViewById(R.id.children);
 137             container = (LinearLayout) itemView.findViewById(R.id.container);
 138             children.setOnClickListener(new View.OnClickListener() {
 139                 @Override
 140                 public void onClick(View v) {
 141                     if (callback != null) callback.onExpanded(getAdapterPosition());
 142                 }
 143             });
 144
 145             sectionTitle = (TextView) itemView.findViewById(R.id.section_title);
 146             view.setOnClickListener(new View.OnClickListener() {
 147                 @Override
 148                 public void onClick(View v) {
 149                     if (callback != null) callback.onTocClicked(getAdapterPosition());
 150                 }
 151             });
 152         }
 153     }
 154
 155     private static int getPaddingPixels(Context context, int dpValue) {
 156         // Get the screen's density scale
 157         final float scale = context.getResources().getDisplayMetrics().density;
 158         // Convert the dps to pixels, based on density scale
 159         return (int) (dpValue * scale + 0.5f);
 160     }
 161 }