app/src/main/java/net/ktnx/mobileledger/AccountSummaryViewModel.java

   1 package net.ktnx.mobileledger;
   2
   3 import android.app.Application;
   4 import android.arch.lifecycle.AndroidViewModel;
   5 import android.content.Context;
   6 import android.content.res.Resources;
   7 import android.database.Cursor;
   8 import android.database.sqlite.SQLiteDatabase;
   9 import android.graphics.Typeface;
  10 import android.os.Build;
  11 import android.preference.PreferenceManager;
  12 import android.support.annotation.NonNull;
  13 import android.support.v7.widget.RecyclerView;
  14 import android.view.LayoutInflater;
  15 import android.view.View;
  16 import android.view.ViewGroup;
  17 import android.widget.CheckBox;
  18 import android.widget.LinearLayout;
  19 import android.widget.TextView;
  20
  21 import java.util.ArrayList;
  22 import java.util.List;
  23
  24 class AccountSummaryViewModel extends AndroidViewModel {
  25     private MobileLedgerDatabase dbh;
  26     private List<LedgerAccount> accounts;
  27
  28     public AccountSummaryViewModel(@NonNull Application application) {
  29         super(application);
  30         dbh = new MobileLedgerDatabase(application);
  31     }
  32
  33     List<LedgerAccount> getAccounts() {
  34         if (accounts == null) {
  35             accounts = new ArrayList<>();
  36             reloadAccounts();
  37         }
  38
  39         return accounts;
  40     }
  41
  42     void reloadAccounts() {
  43         accounts.clear();
  44         boolean showingHiddenAccounts =
  45                 PreferenceManager.getDefaultSharedPreferences(getApplication())
  46                         .getBoolean("show_hidden_accounts", false);
  47         String sql = "SELECT name, hidden FROM accounts";
  48         if (!showingHiddenAccounts) sql += " WHERE hidden = 0";
  49         sql += " ORDER BY name";
  50
  51         try (SQLiteDatabase db = dbh.getReadableDatabase()) {
  52             try (Cursor cursor = db
  53                     .rawQuery(sql,null))
  54             {
  55                 while (cursor.moveToNext()) {
  56                     LedgerAccount acc = new LedgerAccount(cursor.getString(0));
  57                     acc.setHidden(cursor.getInt(1) == 1);
  58                     try (Cursor c2 = db.rawQuery(
  59                             "SELECT value, currency FROM account_values " + "WHERE account = ?",
  60                             new String[]{acc.getName()}))
  61                     {
  62                         while (c2.moveToNext()) {
  63                             acc.addAmount(c2.getFloat(0), c2.getString(1));
  64                         }
  65                     }
  66                     accounts.add(acc);
  67                 }
  68             }
  69         }
  70     }
  71 }
  72
  73 class AccountSummaryAdapter extends RecyclerView.Adapter<AccountSummaryAdapter.LedgerRowHolder> {
  74     private List<LedgerAccount> accounts;
  75     private boolean selectionActive;
  76
  77     AccountSummaryAdapter(List<LedgerAccount> accounts) {
  78         this.accounts = accounts;
  79         this.selectionActive = false;
  80     }
  81
  82     public void onBindViewHolder(@NonNull LedgerRowHolder holder, int position) {
  83         LedgerAccount acc = accounts.get(position);
  84         Context ctx = holder.row.getContext();
  85         Resources rm = ctx.getResources();
  86
  87         holder.tvAccountName.setText(acc.getShortName());
  88         holder.tvAccountName.setPadding(
  89                 acc.getLevel() * rm.getDimensionPixelSize(R.dimen.activity_horizontal_margin)/2,
  90                 0, 0,
  91                 0);
  92         holder.tvAccountAmounts.setText(acc.getAmountsString());
  93
  94         if (acc.isHidden()) {
  95             holder.tvAccountName.setTypeface(null, Typeface.ITALIC);
  96             holder.tvAccountAmounts.setTypeface(null, Typeface.ITALIC);
  97         }
  98         else {
  99             holder.tvAccountName.setTypeface(null, Typeface.NORMAL);
 100             holder.tvAccountAmounts.setTypeface(null, Typeface.NORMAL);
 101         }
 102
 103         if (position % 2 == 0) {
 104             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) holder.row
 105                     .setBackgroundColor(rm.getColor(R.color.table_row_even_bg, ctx.getTheme()));
 106             else holder.row.setBackgroundColor(rm.getColor(R.color.table_row_even_bg));
 107         }
 108         else {
 109             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) holder.row
 110                     .setBackgroundColor(rm.getColor(R.color.drawer_background, ctx.getTheme()));
 111             else holder.row.setBackgroundColor(rm.getColor(R.color.drawer_background));
 112         }
 113
 114         holder.selectionCb.setVisibility( selectionActive ? View.VISIBLE : View.GONE);
 115         holder.selectionCb.setChecked(acc.isSelected());
 116
 117         holder.row.setTag(R.id.POS, position);
 118     }
 119
 120     @NonNull
 121     @Override
 122     public LedgerRowHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 123         View row = LayoutInflater.from(parent.getContext())
 124                 .inflate(R.layout.account_summary_row, parent, false);
 125         return new LedgerRowHolder(row);
 126     }
 127
 128     @Override
 129     public int getItemCount() {
 130         return accounts.size();
 131     }
 132
 133     public void startSelection() {
 134         for( LedgerAccount acc : accounts ) acc.setSelected(false);
 135         this.selectionActive = true;
 136         notifyDataSetChanged();
 137     }
 138
 139     public void stopSelection() {
 140         this.selectionActive = false;
 141         notifyDataSetChanged();
 142     }
 143
 144     public boolean isSelectionActive() {
 145         return selectionActive;
 146     }
 147
 148     public void selectItem(int position) {
 149         accounts.get(position).toggleSelected();
 150         notifyItemChanged(position);
 151     }
 152
 153 //    @NonNull
 154 //    @Override
 155 //    public View getView(int position, @Nullable View row, @NonNull ViewGroup parent) {
 156 //        LedgerAccount acc = getItem(position);
 157 //        LedgerRowHolder holder;
 158 //        if (row == null) {
 159 //            holder = new LedgerRowHolder();
 160 //            LayoutInflater vi = getSystemService(this.getContext(), LayoutInflater.class);
 161 //            MenuInflater mi = getSystemService(this.getContext(), MenuInflater.class);
 162 //
 163 //            if (vi == null)
 164 //                throw new IllegalStateException("Unable to instantiate the inflater " + "service");
 165 //            row = vi.inflate(R.layout.account_summary_row, parent, false);
 166 //            holder.tvAccountName = row.findViewById(R.id.account_row_acc_name);
 167 //            holder.tvAccountAmounts = row.findViewById(R.id.account_row_acc_amounts);
 168 //            row.setTag(R.id.VH, holder);
 169 //
 170 //            row.setPadding(context.getResources()
 171 //                            .getDimensionPixelSize(R.dimen.activity_horizontal_margin)/2, dp2px
 172 //                            (context, 3),
 173 //                    context.getResources()
 174 //                            .getDimensionPixelSize(R.dimen.activity_horizontal_margin)/2,
 175 //                    dp2px(context, 4));
 176 //            View.OnCreateContextMenuListener ccml = new View.OnCreateContextMenuListener() {
 177 //                @Override
 178 //                public void onCreateContextMenu(ContextMenu menu, View v,
 179 //                                                ContextMenu.ContextMenuInfo menuInfo) {
 180 //                    final ListView parent = (ListView) v.getParent();
 181 //                    int pos = parent.getPositionForView(v);
 182 //                    parent.setItemChecked(pos, true);
 183 //                    Log.d("list", String.format("checking pos %d", pos));
 184 //                }
 185 //            };
 186 //            row.setOnCreateContextMenuListener(ccml);
 187 //
 188 //        }
 189 //        else holder = (LedgerRowHolder) row.getTag(R.id.VH);
 190 //
 191 //        holder.tvAccountName.setText(acc.getShortName());
 192 //        holder.tvAccountName.setPadding(acc.getLevel() * context.getResources()
 193 //                .getDimensionPixelSize(R.dimen.activity_horizontal_margin), 0, 0, 0);
 194 //        holder.tvAccountAmounts.setText(acc.getAmountsString());
 195 //
 196 //        if (acc.isHidden()) {
 197 //            holder.tvAccountName.setTypeface(null, Typeface.ITALIC);
 198 //            holder.tvAccountAmounts.setTypeface(null, Typeface.ITALIC);
 199 //        }
 200 //        else {
 201 //            holder.tvAccountName.setTypeface(null, Typeface.NORMAL);
 202 //            holder.tvAccountAmounts.setTypeface(null, Typeface.NORMAL);
 203 //        }
 204 //
 205 //        int real_pos = ((ListView)parent).getPositionForView(row);
 206 //        Log.d("model", String.format("%s: real_pos=%d, position=%d", acc.getName(), real_pos,
 207 //                position));
 208 //        if (real_pos == -1) real_pos = position+1;
 209 //        else real_pos = real_pos + 1;
 210 //
 211 //        if ( real_pos % 2 == 0) {
 212 //            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 213 //                row.setBackgroundColor(context.getResources()
 214 //                        .getColor(R.color.table_row_even_bg, context.getTheme()));
 215 //            }
 216 //            else {
 217 //                row.setBackgroundColor(
 218 //                        context.getResources().getColor(R.color.table_row_even_bg));
 219 //            }
 220 //        }
 221 //        else {
 222 //            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 223 //                row.setBackgroundColor(context.getResources()
 224 //                        .getColor(R.color.drawer_background, context.getTheme()));
 225 //            }
 226 //            else {
 227 //                row.setBackgroundColor(context.getResources().getColor(R.color.drawer_background));
 228 //            }
 229 //        }
 230 //
 231 //        row.setTag(R.id.POS, position);
 232 //
 233 //        return row;
 234 //    }
 235
 236     class LedgerRowHolder extends RecyclerView.ViewHolder {
 237         CheckBox selectionCb;
 238         TextView tvAccountName, tvAccountAmounts;
 239         LinearLayout row;
 240
 241         public LedgerRowHolder(@NonNull View itemView) {
 242             super(itemView);
 243             this.row = (LinearLayout) itemView;
 244             this.tvAccountName = itemView.findViewById(R.id.account_row_acc_name);
 245             this.tvAccountAmounts = itemView.findViewById(R.id.account_row_acc_amounts);
 246             this.selectionCb = itemView.findViewById(R.id.account_row_check);
 247         }
 248     }
 249 }