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