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

   1 /*
   2  * Copyright © 2019 Damyan Ivanov.
   3  * This file is part of Mobile-Ledger.
   4  * Mobile-Ledger is free software: you can distribute it and/or modify it
   5  * under the term of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your opinion), any later version.
   8  *
   9  * Mobile-Ledger is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License terms for details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.ui.account_summary;
  19
  20 import android.arch.lifecycle.ViewModel;
  21 import android.content.Context;
  22 import android.content.res.Resources;
  23 import android.graphics.Typeface;
  24 import android.os.Build;
  25 import android.support.annotation.NonNull;
  26 import android.support.v7.widget.RecyclerView;
  27 import android.util.Log;
  28 import android.view.LayoutInflater;
  29 import android.view.View;
  30 import android.view.ViewGroup;
  31 import android.widget.CheckBox;
  32 import android.widget.LinearLayout;
  33 import android.widget.TextView;
  34
  35 import net.ktnx.mobileledger.R;
  36 import net.ktnx.mobileledger.async.CommitAccountsTask;
  37 import net.ktnx.mobileledger.async.CommitAccountsTaskParams;
  38 import net.ktnx.mobileledger.async.UpdateAccountsTask;
  39 import net.ktnx.mobileledger.model.Data;
  40 import net.ktnx.mobileledger.model.LedgerAccount;
  41
  42 import java.util.ArrayList;
  43
  44 class AccountSummaryViewModel extends ViewModel {
  45     static void commitSelections(Context context) {
  46         CAT task = new CAT();
  47         task.execute(
  48                 new CommitAccountsTaskParams(Data.accounts.get(), Data.optShowOnlyStarred.get()));
  49     }
  50     void scheduleAccountListReload() {
  51         UAT task = new UAT();
  52         task.execute();
  53
  54     }
  55
  56     private static class UAT extends UpdateAccountsTask {
  57         @Override
  58         protected void onPostExecute(ArrayList<LedgerAccount> list) {
  59             super.onPostExecute(list);
  60             if (list != null) {
  61                 Log.d("acc", "setting updated account list");
  62                 Data.accounts.set(list);
  63             }
  64         }
  65     }
  66
  67     private static class CAT extends CommitAccountsTask {
  68         @Override
  69         protected void onPostExecute(ArrayList<LedgerAccount> list) {
  70             super.onPostExecute(list);
  71             if (list != null) {
  72                 Log.d("acc", "setting new account list");
  73                 Data.accounts.set(list);
  74             }
  75         }
  76     }
  77 }
  78
  79 class AccountSummaryAdapter extends RecyclerView.Adapter<AccountSummaryAdapter.LedgerRowHolder> {
  80     private boolean selectionActive;
  81
  82     AccountSummaryAdapter() {
  83         this.selectionActive = false;
  84     }
  85
  86     public void onBindViewHolder(@NonNull LedgerRowHolder holder, int position) {
  87         LedgerAccount acc = Data.accounts.get().get(position);
  88         Context ctx = holder.row.getContext();
  89         Resources rm = ctx.getResources();
  90
  91         holder.tvAccountName.setText(acc.getShortName());
  92         holder.tvAccountName.setPadding(
  93                 acc.getLevel() * rm.getDimensionPixelSize(R.dimen.activity_horizontal_margin) / 2,
  94                 0, 0, 0);
  95         holder.tvAccountAmounts.setText(acc.getAmountsString());
  96
  97         if (acc.isHidden()) {
  98             holder.tvAccountName.setTypeface(null, Typeface.ITALIC);
  99             holder.tvAccountAmounts.setTypeface(null, Typeface.ITALIC);
 100         }
 101         else {
 102             holder.tvAccountName.setTypeface(null, Typeface.NORMAL);
 103             holder.tvAccountAmounts.setTypeface(null, Typeface.NORMAL);
 104         }
 105
 106         if (position % 2 == 0) {
 107             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) holder.row
 108                     .setBackgroundColor(rm.getColor(R.color.table_row_even_bg, ctx.getTheme()));
 109             else holder.row.setBackgroundColor(rm.getColor(R.color.table_row_even_bg));
 110         }
 111         else {
 112             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) holder.row
 113                     .setBackgroundColor(rm.getColor(R.color.drawer_background, ctx.getTheme()));
 114             else holder.row.setBackgroundColor(rm.getColor(R.color.drawer_background));
 115         }
 116
 117         holder.selectionCb.setVisibility(selectionActive ? View.VISIBLE : View.GONE);
 118         holder.selectionCb.setChecked(!acc.isHiddenToBe());
 119
 120         holder.row.setTag(R.id.POS, position);
 121     }
 122
 123     @NonNull
 124     @Override
 125     public LedgerRowHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 126         View row = LayoutInflater.from(parent.getContext())
 127                 .inflate(R.layout.account_summary_row, parent, false);
 128         return new LedgerRowHolder(row);
 129     }
 130
 131     @Override
 132     public int getItemCount() {
 133         return Data.accounts.get().size();
 134     }
 135     public void startSelection() {
 136         for (LedgerAccount acc : Data.accounts.get()) acc.setHiddenToBe(acc.isHidden());
 137         this.selectionActive = true;
 138         notifyDataSetChanged();
 139     }
 140
 141     public void stopSelection() {
 142         this.selectionActive = false;
 143         notifyDataSetChanged();
 144     }
 145
 146     public boolean isSelectionActive() {
 147         return selectionActive;
 148     }
 149
 150     public void selectItem(int position) {
 151         LedgerAccount acc = Data.accounts.get().get(position);
 152         acc.toggleHiddenToBe();
 153         toggleChildrenOf(acc, acc.isHiddenToBe(), position);
 154         notifyItemChanged(position);
 155     }
 156     void toggleChildrenOf(LedgerAccount parent, boolean hiddenToBe, int parentPosition) {
 157         int i = parentPosition + 1;
 158         for (LedgerAccount acc : Data.accounts.get()) {
 159             if (acc.getName().startsWith(parent.getName() + ":")) {
 160                 acc.setHiddenToBe(hiddenToBe);
 161                 notifyItemChanged(i);
 162                 toggleChildrenOf(acc, hiddenToBe, i);
 163                 i++;
 164             }
 165         }
 166     }
 167
 168     class LedgerRowHolder extends RecyclerView.ViewHolder {
 169         CheckBox selectionCb;
 170         TextView tvAccountName, tvAccountAmounts;
 171         LinearLayout row;
 172         public LedgerRowHolder(@NonNull View itemView) {
 173             super(itemView);
 174             this.row = (LinearLayout) itemView;
 175             this.tvAccountName = itemView.findViewById(R.id.account_row_acc_name);
 176             this.tvAccountAmounts = itemView.findViewById(R.id.account_row_acc_amounts);
 177             this.selectionCb = itemView.findViewById(R.id.account_row_check);
 178         }
 179     }
 180 }