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  * TODO: setup wizard
  47  * TODO: update accounts/check settings upon change of backend settings
  48  *  */
  49
  50 public class NewTransactionActivity extends AppCompatActivity implements TaskCallback {
  51     private TableLayout table;
  52     private FloatingActionButton fab;
  53     private TextView text_date;
  54     private TextView text_descr;
  55     private static SaveTransactionTask saver;
  56
  57     @Override
  58     protected void onCreate(Bundle savedInstanceState) {
  59         super.onCreate(savedInstanceState);
  60         setContentView(R.layout.activity_new_transaction);
  61         Toolbar toolbar = findViewById(R.id.toolbar);
  62         setSupportActionBar(toolbar);
  63
  64         text_date = findViewById(R.id.new_transaction_date);
  65         text_descr = findViewById(R.id.new_transaction_description);
  66
  67         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
  68             text_descr.setAutofillHints("");
  69         }
  70
  71         fab = findViewById(R.id.fab);
  72         fab.setOnClickListener(new View.OnClickListener() {
  73             @Override
  74             public void onClick(View view) {
  75                 new_transaction_save_clicked(view);
  76             }
  77         });
  78         Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
  79         table = findViewById(R.id.new_transaction_accounts_table);
  80         for (int i = 0; i < table.getChildCount(); i++) {
  81             hook_swipe_listener((TableRow)table.getChildAt(i));
  82             hook_autocompletion_adapter((TableRow)table.getChildAt(i));
  83 //            Log.d("swipe", "hooked to row "+i);
  84         }
  85     }
  86
  87     public void new_transaction_save_clicked(View view) {
  88         fab.setEnabled(false);
  89
  90         saver = new SaveTransactionTask(this);
  91
  92         saver.setPref(PreferenceManager.getDefaultSharedPreferences(this));
  93         LedgerTransaction tr = new LedgerTransaction(text_date.getText().toString(), text_descr.getText().toString());
  94
  95         TableLayout table = findViewById(R.id.new_transaction_accounts_table);
  96         for ( int i = 0; i < table.getChildCount(); i++ ) {
  97             TableRow row = (TableRow) table.getChildAt(i);
  98             String acc = ((TextView) row.getChildAt(0)).getText().toString();
  99             String amt = ((TextView) row.getChildAt(1)).getText().toString();
 100             LedgerTransactionItem item =
 101                     amt.length() > 0
 102                     ? new LedgerTransactionItem( acc, Float.parseFloat(amt))
 103                     : new LedgerTransactionItem( acc );
 104
 105             tr.add_item(item);
 106         }
 107         saver.execute(tr);
 108     }
 109     private void hook_swipe_listener(final TableRow row) {
 110         row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
 111             public void onSwipeLeft() {
 112 //                Log.d("swipe", "LEFT" + row.getId());
 113                 if (table.getChildCount() > 2) {
 114                     table.removeView(row);
 115 //                    Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
 116                 }
 117                 else {
 118                     Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required, Snackbar.LENGTH_LONG)
 119                             .setAction("Action", null).show();
 120                 }
 121             }
 122 //            @Override
 123 //            public boolean performClick(View view, MotionEvent m) {
 124 //                return true;
 125 //            }
 126             public boolean onTouch(View view, MotionEvent m) {
 127                 return gestureDetector.onTouchEvent(m);
 128             }
 129         });
 130     }
 131
 132     @TargetApi(Build.VERSION_CODES.N)
 133     private void hook_autocompletion_adapter(final TableRow row) {
 134         String[] from = {"name"};
 135         int[] to = {android.R.id.text1};
 136         SQLiteDatabase db = MobileLedgerDB.db;
 137
 138         AutoCompleteTextView acc = (AutoCompleteTextView) row.getChildAt(0);
 139         SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, android.R.layout.simple_dropdown_item_1line, null, from, to, 0);
 140         adapter.setStringConversionColumn(1);
 141
 142         FilterQueryProvider provider = new FilterQueryProvider() {
 143             @Override
 144             public Cursor runQuery(CharSequence constraint) {
 145                 if (constraint == null) return null;
 146
 147                 String str = constraint.toString().toUpperCase();
 148                 Log.d("autocompletion", "Looking for "+str);
 149                 String[] col_names = {FontsContract.Columns._ID, "name"};
 150                 MatrixCursor c = new MatrixCursor(col_names);
 151
 152                 Cursor matches = db.rawQuery("SELECT name FROM accounts WHERE UPPER(name) LIKE '%'||?||'%' ORDER BY name;", new String[]{str});
 153
 154                 try {
 155                     int i = 0;
 156                     while (matches.moveToNext()) {
 157                         String name = matches.getString(0);
 158                         Log.d("autocompletion-match", name);
 159                         c.newRow().add(i++).add(name);
 160                     }
 161                 }
 162                 finally {
 163                     matches.close();
 164                 }
 165
 166                 return c;
 167
 168             }
 169         };
 170
 171         adapter.setFilterQueryProvider(provider);
 172
 173         acc.setAdapter(adapter);
 174     }
 175
 176     public boolean onCreateOptionsMenu(Menu menu) {
 177         // Inflate the menu; this adds items to the action bar if it is present.
 178         getMenuInflater().inflate(R.menu.new_transaction, menu);
 179
 180         return true;
 181     }
 182
 183     public void pickTransactionDate(View view) {
 184         DialogFragment picker = new DatePickerFragment();
 185         picker.show(getSupportFragmentManager(), "datePicker");
 186     }
 187
 188     public int dp2px(float dp) {
 189         return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, getResources().getDisplayMetrics()));
 190     }
 191
 192     public void addTransactionAccountFromMenu(MenuItem item) {
 193         final AutoCompleteTextView acc = new AutoCompleteTextView(this);
 194         acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT, TableRow.LayoutParams.WRAP_CONTENT, 9f));
 195         acc.setHint(R.string.new_transaction_account_hint);
 196         acc.setWidth(0);
 197
 198         final EditText amt = new EditText(this);
 199         amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT, TableRow.LayoutParams.WRAP_CONTENT, 1f));
 200         amt.setHint(R.string.new_transaction_amount_hint);
 201         amt.setWidth(0);
 202         amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED | InputType.TYPE_NUMBER_FLAG_DECIMAL );
 203         amt.setMinWidth(dp2px(40));
 204         amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
 205
 206         final TableRow row = new TableRow(this);
 207         row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT, TableRow.LayoutParams.MATCH_PARENT));
 208         row.addView(acc);
 209         row.addView(amt);
 210         table.addView(row);
 211
 212         acc.requestFocus();
 213
 214         hook_swipe_listener(row);
 215         hook_autocompletion_adapter(row);
 216     }
 217
 218     @Override
 219     public void done() {
 220         fab.setEnabled(true);
 221         reset_form();
 222     }
 223
 224     private void reset_form() {
 225         text_date.setText("");
 226         text_descr.setText("");
 227         while(table.getChildCount() > 2) {
 228             table.removeViewAt(2);
 229         }
 230         for( int i = 0; i < 2; i++ ) {
 231             TableRow tr = (TableRow) table.getChildAt(i);
 232             if ( tr == null) break;
 233
 234             ((TextView)tr.getChildAt(0)).setText("");
 235             ((TextView)tr.getChildAt(1)).setText("");
 236         }
 237
 238         text_descr.requestFocus();
 239     }
 240 }