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