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

   1 package net.ktnx.mobileledger;
   2
   3 import android.annotation.SuppressLint;
   4 import android.content.Intent;
   5 import android.content.pm.PackageInfo;
   6 import android.content.res.Resources;
   7 import android.database.Cursor;
   8 import android.os.Build;
   9 import android.os.Bundle;
  10 import android.preference.PreferenceManager;
  11 import android.support.design.widget.Snackbar;
  12 import android.support.v4.view.GravityCompat;
  13 import android.support.v4.widget.DrawerLayout;
  14 import android.support.v7.app.ActionBarDrawerToggle;
  15 import android.support.v7.app.AppCompatActivity;
  16 import android.support.v7.widget.Toolbar;
  17 import android.util.Log;
  18 import android.util.TypedValue;
  19 import android.view.Gravity;
  20 import android.view.Menu;
  21 import android.view.MenuItem;
  22 import android.view.View;
  23 import android.view.ViewGroup;
  24 import android.widget.EditText;
  25 import android.widget.LinearLayout;
  26 import android.widget.ProgressBar;
  27 import android.widget.TableLayout;
  28 import android.widget.TableRow;
  29 import android.widget.TextView;
  30
  31 import java.util.Date;
  32 import java.util.regex.Matcher;
  33 import java.util.regex.Pattern;
  34
  35 import static android.view.View.GONE;
  36 import static net.ktnx.mobileledger.MobileLedgerDB.db;
  37 import static net.ktnx.mobileledger.MobileLedgerDB.set_option_value;
  38
  39 public class AccountSummary extends AppCompatActivity {
  40     DrawerLayout drawer;
  41
  42     private static long account_list_last_updated;
  43     private static boolean account_list_needs_update = true;
  44     public static void preferences_changed() {
  45         account_list_needs_update = true;
  46     }
  47     MenuItem mRefresh;
  48
  49     @Override
  50     protected void onCreate(Bundle savedInstanceState) {
  51         super.onCreate(savedInstanceState);
  52         setContentView(R.layout.activity_account_summary);
  53         Toolbar toolbar = findViewById(R.id.toolbar);
  54         setSupportActionBar(toolbar);
  55
  56         drawer = findViewById(R.id.drawer_layout);
  57         ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
  58                 this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
  59         drawer.addDrawerListener(toggle);
  60         toggle.syncState();
  61
  62         android.widget.TextView ver = drawer.findViewById(R.id.drawer_version_text);
  63
  64         try {
  65             PackageInfo pi = getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
  66             ver.setText(pi.versionName);
  67         } catch (Exception e) {
  68             e.printStackTrace();
  69         }
  70
  71         prepare_db();
  72         update_account_table();
  73         update_accounts(false);
  74     }
  75
  76     public void fab_new_transaction_clicked(View view) {
  77         Intent intent = new Intent(this, NewTransactionActivity.class);
  78         startActivity(intent);
  79     }
  80
  81     public void nav_exit_clicked(View view) {
  82         Log.w("mobileledger", "exiting");
  83         finish();
  84     }
  85
  86     public void nav_settings_clicked(View view) {
  87         Intent intent = new Intent(this, SettingsActivity.class);
  88         startActivity(intent);
  89     }
  90
  91     @Override
  92     public void onBackPressed() {
  93         DrawerLayout drawer = findViewById(R.id.drawer_layout);
  94         if (drawer.isDrawerOpen(GravityCompat.START)) {
  95             drawer.closeDrawer(GravityCompat.START);
  96         } else {
  97             super.onBackPressed();
  98         }
  99     }
 100
 101     @Override
 102     public boolean onCreateOptionsMenu(Menu menu) {
 103         // Inflate the menu; this adds items to the action bar if it is present.
 104         getMenuInflater().inflate(R.menu.account_summary, menu);
 105         mRefresh = menu.findItem(R.id.menu_acc_summary_refresh);
 106         assert mRefresh != null;
 107         return true;
 108     }
 109
 110     @Override
 111     public boolean onOptionsItemSelected(MenuItem item) {
 112         // Handle action bar item clicks here. The action bar will
 113         // automatically handle clicks on the Home/Up button, so long
 114         // as you specify a parent activity in AndroidManifest.xml.
 115         int id = item.getItemId();
 116
 117         //noinspection SimplifiableIfStatement
 118         //if (id == R.id.action_settings) {
 119         //    return true;
 120         // }
 121
 122         return super.onOptionsItemSelected(item);
 123     }
 124
 125     public void onRefreshAccountSummaryClicked(MenuItem mi) {
 126         update_accounts(true);
 127     }
 128
 129     private void prepare_db() {
 130         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 131             MobileLedgerDB.setDb_filename(this.getApplicationInfo().deviceProtectedDataDir + "/" + MobileLedgerDB.DATABASE_NAME);
 132         }
 133         else {
 134             MobileLedgerDB.setDb_filename(MobileLedgerDB.DATABASE_NAME);
 135         }
 136         MobileLedgerDB.initDB();
 137
 138         MobileLedgerDB.applyRevisions(getResources(), getPackageName());
 139
 140         account_list_last_updated = MobileLedgerDB.get_option_value("last_refresh", (long) 0);
 141
 142     }
 143
 144     private void update_accounts(boolean force) {
 145         long now = new Date().getTime();
 146         if ((now > (account_list_last_updated + (24 * 3600*1000))) || force) {
 147             Log.d("db", "accounts last updated at " + account_list_last_updated+" and now is " + now+". re-fetching");
 148             update_accounts();
 149         }
 150     }
 151
 152     private void update_accounts() {
 153         mRefresh.setVisible(false);
 154         Resources rm = getResources();
 155
 156         ProgressBar pb = findViewById(R.id.progressBar);
 157         pb.setVisibility(View.VISIBLE);
 158         TextView pt = findViewById(R.id.textProgress);
 159         pt.setVisibility(View.VISIBLE);
 160         pb.setIndeterminate(true);
 161
 162         RetrieveAccountsTask task = new RetrieveAccountsTask() {
 163             @Override
 164             protected void onProgressUpdate(Integer... values) {
 165                 if ( values[0] == 0 )
 166                     pt.setText(R.string.progress_connecting);
 167                 else
 168                     pt.setText(String.format(getResources().getString(R.string.progress_N_accounts_loaded), values[0]));
 169             }
 170
 171             @Override
 172             protected void onPostExecute(Void result) {
 173                 pb.setVisibility(GONE);
 174                 pt.setVisibility(GONE);
 175                 mRefresh.setVisible(true);
 176                 if (this.error != 0) {
 177                     String err_text = rm.getString(this.error);
 178                     Log.d("visual", String.format("showing snackbar: %s", err_text));
 179                     Snackbar.make(drawer, err_text, Snackbar.LENGTH_LONG ).show();
 180                 }
 181                 else {
 182                     set_option_value("last_refresh", new Date().getTime() );
 183                     update_account_table();
 184                 }
 185             }
 186         };
 187
 188         task.setPref(PreferenceManager.getDefaultSharedPreferences(this));
 189         task.execute();
 190
 191     }
 192
 193     public int dp2px(float dp) {
 194         return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, getResources().getDisplayMetrics()));
 195     }
 196
 197     Pattern higher_account = Pattern.compile("^[^:]+:");
 198
 199     private String strip_higher_accounts(String acc_name, int[] count) {
 200         count[0] = 0;
 201         while (true) {
 202             Matcher m = higher_account.matcher(acc_name);
 203             if (m.find()) {
 204                 count[0]++;
 205                 acc_name = m.replaceFirst("");
 206             }
 207             else break;
 208         }
 209
 210         return acc_name;
 211     }
 212
 213     @SuppressLint("DefaultLocale")
 214     private void update_account_table() {
 215         LinearLayout root = findViewById(R.id.account_root);
 216         root.removeAllViewsInLayout();
 217
 218
 219         try (Cursor cursor = db.rawQuery("SELECT name FROM accounts ORDER BY name;", null)) {
 220             boolean even = false;
 221             while (cursor.moveToNext()) {
 222                 String acc_name = cursor.getString(0);
 223
 224                 TableLayout t = new TableLayout(this);
 225                 TableRow r = new TableRow(this);
 226                 r.setLayoutParams(new TableRow.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
 227                 r.setGravity(Gravity.CENTER_VERTICAL);
 228                 r.setPadding(getResources().getDimensionPixelSize(R.dimen.activity_horizontal_margin), dp2px(2), getResources().getDimensionPixelSize(R.dimen.activity_horizontal_margin), dp2px(4));
 229                 if (even)
 230                     r.setBackgroundColor(getResources().getColor(R.color.table_row_even_bg, getTheme()));
 231                 even = !even;
 232
 233                 TextView acc_tv = new TextView(this, null, R.style.account_summary_account_name);
 234                 acc_tv.setLayoutParams(new TableRow.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT, 9f));
 235                 int[] indent_level = new int[]{0};
 236                 String short_acc_name = strip_higher_accounts(acc_name, indent_level);
 237                 acc_tv.setPadding(indent_level[0] * getResources().getDimensionPixelSize(R.dimen.activity_horizontal_margin) / 2, 0, 0, 0);
 238                 acc_tv.setText(short_acc_name);
 239                 r.addView(acc_tv);
 240
 241                 TextView amt_tv = new TextView(this, null, R.style.account_summary_amounts);
 242                 amt_tv.setLayoutParams(new TableRow.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT, 1f));
 243                 amt_tv.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
 244                 amt_tv.setGravity(Gravity.CENTER);
 245                 amt_tv.setMinWidth(dp2px(40f));
 246                 StringBuilder amt_text = new StringBuilder();
 247                 try (Cursor cAmounts = db.rawQuery("SELECT currency, value FROM account_values WHERE account = ?", new String[]{acc_name})) {
 248                     while (cAmounts.moveToNext()) {
 249                         String curr = cAmounts.getString(0);
 250                         Float amt = cAmounts.getFloat(1);
 251                         if (amt_text.length() != 0) amt_text.append('\n');
 252                         amt_text.append(String.format("%s %1.2f", curr, amt));
 253                     }
 254                 }
 255                 amt_tv.setText(amt_text.toString());
 256
 257                 r.addView(amt_tv);
 258
 259                 t.addView(r);
 260
 261                 root.addView(t);
 262             }
 263         }
 264     }
 265 }