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

   1 package net.ktnx.mobileledger;
   2
   3 import android.annotation.TargetApi;
   4 import android.database.Cursor;
   5 import android.database.MatrixCursor;
   6 import android.database.sqlite.SQLiteDatabase;
   7 import android.os.Build;
   8 import android.os.Bundle;
   9 import android.os.Handler;
  10 import android.preference.PreferenceManager;
  11 import android.provider.FontsContract;
  12 import android.support.design.widget.FloatingActionButton;
  13 import android.support.design.widget.Snackbar;
  14 import android.support.v4.app.DialogFragment;
  15 import android.support.v7.app.AppCompatActivity;
  16 import android.support.v7.widget.Toolbar;
  17 import android.text.InputType;
  18 import android.util.Log;
  19 import android.util.TypedValue;
  20 import android.view.Menu;
  21 import android.view.MenuItem;
  22 import android.view.MotionEvent;
  23 import android.view.View;
  24 import android.widget.AutoCompleteTextView;
  25 import android.widget.EditText;
  26 import android.widget.FilterQueryProvider;
  27 import android.widget.ProgressBar;
  28 import android.widget.SimpleCursorAdapter;
  29 import android.widget.TableLayout;
  30 import android.widget.TableRow;
  31 import android.widget.TextView;
  32
  33 import java.util.Objects;
  34
  35 /*
  36  * TODO: auto-fill of transaction description
  37  *       if Android O's implementation won't work, add a custom one
  38  * TODO: nicer progress while transaction is submitted
  39  * TODO: periodic and manual refresh of available accounts
  40  *         (now done forcibly each time the main activity is started)
  41  * TODO: latest transactions, maybe with browsing further in the past?
  42  * TODO: reports
  43  * TODO: get rid of the custom session/cookie and auth code?
  44  *         (the last problem with the POST was the missing content-length header)
  45  * TODO: app icon
  46  * TODO: nicer swiping removal with visual feedback
  47  * TODO: activity with current balance
  48  * TODO: setup wizard
  49  * TODO: update accounts/check settings upon change of backend settings
  50  *  */
  51
  52 public class NewTransactionActivity extends AppCompatActivity implements TaskCallback {
  53     private TableLayout table;
  54     private FloatingActionButton fab;
  55     private ProgressBar progress;
  56     private TextView text_date;
  57     private TextView text_descr;
  58     private static SaveTransactionTask saver;
  59
  60     @Override
  61     protected void onCreate(Bundle savedInstanceState) {
  62         super.onCreate(savedInstanceState);
  63         setContentView(R.layout.activity_new_transaction);
  64         Toolbar toolbar = findViewById(R.id.toolbar);
  65         setSupportActionBar(toolbar);
  66
  67         text_date = findViewById(R.id.new_transaction_date);
  68         text_descr = findViewById(R.id.new_transaction_description);
  69
  70         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
  71             text_descr.setAutofillHints("");
  72         }
  73
  74         fab = findViewById(R.id.fab);
  75         fab.setOnClickListener(new View.OnClickListener() {
  76             @Override
  77             public void onClick(View view) {
  78                 new_transaction_save_clicked(view);
  79             }
  80         });
  81         progress = findViewById(R.id.save_transaction_progress);
  82
  83         Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
  84         table = findViewById(R.id.new_transaction_accounts_table);
  85         for (int i = 0; i < table.getChildCount(); i++) {
  86             hook_swipe_listener((TableRow)table.getChildAt(i));
  87             hook_autocompletion_adapter((TableRow)table.getChildAt(i));
  88 //            Log.d("swipe", "hooked to row "+i);
  89         }
  90     }
  91
  92     public void new_transaction_save_clicked(View view) {
  93         fab.setEnabled(false);
  94         progress.setVisibility(View.VISIBLE);
  95
  96         saver = new SaveTransactionTask(this);
  97
  98         saver.setPref(PreferenceManager.getDefaultSharedPreferences(this));
  99         LedgerTransaction tr = new LedgerTransaction(text_date.getText().toString(), text_descr.getText().toString());
 100
 101         TableLayout table = findViewById(R.id.new_transaction_accounts_table);
 102         for ( int i = 0; i < table.getChildCount(); i++ ) {
 103             TableRow row = (TableRow) table.getChildAt(i);
 104             String acc = ((TextView) row.getChildAt(0)).getText().toString();
 105             String amt = ((TextView) row.getChildAt(1)).getText().toString();
 106             LedgerTransactionItem item =
 107                     amt.length() > 0
 108                     ? new LedgerTransactionItem( acc, Float.parseFloat(amt))
 109                     : new LedgerTransactionItem( acc );
 110
 111             tr.add_item(item);
 112         }
 113         saver.execute(tr);
 114     }
 115     private void hook_swipe_listener(final TableRow row) {
 116         row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
 117             public void onSwipeLeft() {
 118 //                Log.d("swipe", "LEFT" + row.getId());
 119                 if (table.getChildCount() > 2) {
 120                     table.removeView(row);
 121 //                    Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
 122                 }
 123                 else {
 124                     Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required, Snackbar.LENGTH_LONG)
 125                             .setAction("Action", null).show();
 126                 }
 127             }
 128 //            @Override
 129 //            public boolean performClick(View view, MotionEvent m) {
 130 //                return true;
 131 //            }
 132             public boolean onTouch(View view, MotionEvent m) {
 133                 return gestureDetector.onTouchEvent(m);
 134             }
 135         });
 136     }
 137
 138     @TargetApi(Build.VERSION_CODES.N)
 139     private void hook_autocompletion_adapter(final TableRow row) {
 140         String[] from = {"name"};
 141         int[] to = {android.R.id.text1};
 142         SQLiteDatabase db = MobileLedgerDB.db;
 143
 144         AutoCompleteTextView acc = (AutoCompleteTextView) row.getChildAt(0);
 145         SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, android.R.layout.simple_dropdown_item_1line, null, from, to, 0);
 146         adapter.setStringConversionColumn(1);
 147
 148         FilterQueryProvider provider = new FilterQueryProvider() {
 149             @Override
 150             public Cursor runQuery(CharSequence constraint) {
 151                 if (constraint == null) return null;
 152
 153                 String str = constraint.toString().toUpperCase();
 154                 Log.d("autocompletion", "Looking for "+str);
 155                 String[] col_names = {FontsContract.Columns._ID, "name"};
 156                 MatrixCursor c = new MatrixCursor(col_names);
 157
 158                 Cursor matches = db.rawQuery("SELECT name FROM accounts WHERE UPPER(name) LIKE '%'||?||'%' ORDER BY name;", new String[]{str});
 159
 160                 try {
 161                     int i = 0;
 162                     while (matches.moveToNext()) {
 163                         String name = matches.getString(0);
 164                         Log.d("autocompletion-match", name);
 165                         c.newRow().add(i++).add(name);
 166                     }
 167                 }
 168                 finally {
 169                     matches.close();
 170                 }
 171
 172                 return c;
 173
 174             }
 175         };
 176
 177         adapter.setFilterQueryProvider(provider);
 178
 179         acc.setAdapter(adapter);
 180     }
 181
 182     public boolean onCreateOptionsMenu(Menu menu) {
 183         // Inflate the menu; this adds items to the action bar if it is present.
 184         getMenuInflater().inflate(R.menu.new_transaction, menu);
 185
 186         return true;
 187     }
 188
 189     public void pickTransactionDate(View view) {
 190         DialogFragment picker = new DatePickerFragment();
 191         picker.show(getSupportFragmentManager(), "datePicker");
 192     }
 193
 194     public int dp2px(float dp) {
 195         return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, getResources().getDisplayMetrics()));
 196     }
 197
 198     public void addTransactionAccountFromMenu(MenuItem item) {
 199         final AutoCompleteTextView acc = new AutoCompleteTextView(this);
 200         acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT, TableRow.LayoutParams.WRAP_CONTENT, 9f));
 201         acc.setHint(R.string.new_transaction_account_hint);
 202         acc.setWidth(0);
 203
 204         final EditText amt = new EditText(this);
 205         amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT, TableRow.LayoutParams.WRAP_CONTENT, 1f));
 206         amt.setHint(R.string.new_transaction_amount_hint);
 207         amt.setWidth(0);
 208         amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED | InputType.TYPE_NUMBER_FLAG_DECIMAL );
 209         amt.setMinWidth(dp2px(40));
 210         amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
 211
 212         final TableRow row = new TableRow(this);
 213         row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT, TableRow.LayoutParams.MATCH_PARENT));
 214         row.addView(acc);
 215         row.addView(amt);
 216         table.addView(row);
 217
 218         acc.requestFocus();
 219
 220         hook_swipe_listener(row);
 221         hook_autocompletion_adapter(row);
 222     }
 223
 224     @Override
 225     public void done() {
 226         fab.setEnabled(true);
 227
 228         fab.setImageResource(R.drawable.ic_thick_check_white);
 229         progress.setVisibility(View.INVISIBLE);
 230         reset_form();
 231         final Handler handler = new Handler();
 232         handler.postDelayed(new Runnable() {
 233             @Override
 234             public void run() {
 235                 fab.setImageResource(R.drawable.ic_save_white_24dp);
 236             }
 237         }, 1500);
 238     }
 239
 240     private void reset_form() {
 241         text_date.setText("");
 242         text_descr.setText("");
 243         while(table.getChildCount() > 2) {
 244             table.removeViewAt(2);
 245         }
 246         for( int i = 0; i < 2; i++ ) {
 247             TableRow tr = (TableRow) table.getChildAt(i);
 248             if ( tr == null) break;
 249
 250             ((TextView)tr.getChildAt(0)).setText("");
 251             ((TextView)tr.getChildAt(1)).setText("");
 252         }
 253
 254         text_descr.requestFocus();
 255     }
 256 }