app/src/main/java/net/ktnx/mobileledger/ui/new_transaction/NewTransactionHeaderItemHolder.java

   1 /*
   2  * Copyright © 2021 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe is free software: you can distribute it and/or modify it
   5  * under the term of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your opinion), any later version.
   8  *
   9  * MoLe is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License terms for details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.ui.new_transaction;
  19
  20 import android.annotation.SuppressLint;
  21 import android.graphics.Typeface;
  22 import android.text.Editable;
  23 import android.text.TextUtils;
  24 import android.text.TextWatcher;
  25 import android.view.View;
  26 import android.widget.EditText;
  27 import android.widget.SimpleCursorAdapter;
  28 import android.widget.TextView;
  29
  30 import androidx.annotation.ColorInt;
  31 import androidx.annotation.NonNull;
  32
  33 import net.ktnx.mobileledger.R;
  34 import net.ktnx.mobileledger.databinding.NewTransactionHeaderRowBinding;
  35 import net.ktnx.mobileledger.model.Data;
  36 import net.ktnx.mobileledger.ui.DatePickerFragment;
  37 import net.ktnx.mobileledger.utils.Logger;
  38 import net.ktnx.mobileledger.utils.MLDB;
  39 import net.ktnx.mobileledger.utils.Misc;
  40 import net.ktnx.mobileledger.utils.SimpleDate;
  41
  42 import java.text.DecimalFormatSymbols;
  43 import java.text.ParseException;
  44
  45 class NewTransactionHeaderItemHolder extends NewTransactionItemViewHolder
  46         implements DatePickerFragment.DatePickedListener {
  47     private final NewTransactionHeaderRowBinding b;
  48     private boolean ignoreFocusChanges = false;
  49     private String decimalSeparator;
  50     private boolean inUpdate = false;
  51     private boolean syncingData = false;
  52     //TODO multiple amounts with different currencies per posting?
  53     NewTransactionHeaderItemHolder(@NonNull NewTransactionHeaderRowBinding b,
  54                                    NewTransactionItemsAdapter adapter) {
  55         super(b.getRoot(), adapter);
  56         this.b = b;
  57
  58         b.newTransactionDescription.setNextFocusForwardId(View.NO_ID);
  59
  60         b.newTransactionDate.setOnClickListener(v -> pickTransactionDate());
  61
  62         b.transactionCommentButton.setOnClickListener(v -> {
  63             b.transactionComment.setVisibility(View.VISIBLE);
  64             b.transactionComment.requestFocus();
  65         });
  66
  67         @SuppressLint("DefaultLocale") View.OnFocusChangeListener focusMonitor = (v, hasFocus) -> {
  68             final int id = v.getId();
  69             if (hasFocus) {
  70                 boolean wasSyncing = syncingData;
  71                 syncingData = true;
  72                 try {
  73                     final int pos = getAdapterPosition();
  74                     if (id == R.id.transaction_comment) {
  75                         adapter.noteFocusIsOnTransactionComment(pos);
  76                     }
  77                     else if (id == R.id.new_transaction_description) {
  78                         adapter.noteFocusIsOnDescription(pos);
  79                     }
  80                     else
  81                         throw new IllegalStateException("Where is the focus? " + id);
  82                 }
  83                 finally {
  84                     syncingData = wasSyncing;
  85                 }
  86             }
  87
  88             if (id == R.id.transaction_comment) {
  89                 commentFocusChanged(b.transactionComment, hasFocus);
  90             }
  91         };
  92
  93         b.newTransactionDescription.setOnFocusChangeListener(focusMonitor);
  94         b.transactionComment.setOnFocusChangeListener(focusMonitor);
  95
  96         NewTransactionActivity activity = (NewTransactionActivity) b.getRoot()
  97                                                                     .getContext();
  98
  99         MLDB.hookAutocompletionAdapter(activity, b.newTransactionDescription,
 100                 MLDB.DESCRIPTION_HISTORY_TABLE, "description", false, activity, mProfile);
 101
 102         decimalSeparator = "";
 103         Data.locale.observe(activity, locale -> decimalSeparator = String.valueOf(
 104                 DecimalFormatSymbols.getInstance(locale)
 105                                     .getMonetaryDecimalSeparator()));
 106
 107         final TextWatcher tw = new TextWatcher() {
 108             @Override
 109             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 110             }
 111
 112             @Override
 113             public void onTextChanged(CharSequence s, int start, int before, int count) {
 114             }
 115
 116             @Override
 117             public void afterTextChanged(Editable s) {
 118 //                debug("input", "text changed");
 119                 if (inUpdate)
 120                     return;
 121
 122                 Logger.debug("textWatcher", "calling syncData()");
 123                 if (syncData()) {
 124                     Logger.debug("textWatcher",
 125                             "syncData() returned, checking if transaction is submittable");
 126                     adapter.model.checkTransactionSubmittable(null);
 127                 }
 128                 Logger.debug("textWatcher", "done");
 129             }
 130         };
 131         b.newTransactionDescription.addTextChangedListener(tw);
 132         monitorComment(b.transactionComment);
 133
 134         commentFocusChanged(b.transactionComment, false);
 135
 136         adapter.model.getFocusInfo()
 137                      .observe(activity, this::applyFocus);
 138
 139         adapter.model.getShowComments()
 140                      .observe(activity, show -> b.transactionCommentLayout.setVisibility(
 141                              show ? View.VISIBLE : View.GONE));
 142     }
 143     private void applyFocus(NewTransactionModel.FocusInfo focusInfo) {
 144         if (ignoreFocusChanges) {
 145             Logger.debug("new-trans", "Ignoring focus change");
 146             return;
 147         }
 148         ignoreFocusChanges = true;
 149         try {
 150             if (((focusInfo == null) || (focusInfo.element == null) ||
 151                  focusInfo.position != getAdapterPosition()))
 152                 return;
 153
 154             NewTransactionModel.Item head = getItem().toTransactionHead();
 155             // bad idea - double pop-up, and not really necessary.
 156             // the user can tap the input to get the calendar
 157             //if (!tvDate.hasFocus()) tvDate.requestFocus();
 158             switch (focusInfo.element) {
 159                 case TransactionComment:
 160                     b.transactionComment.setVisibility(View.VISIBLE);
 161                     b.transactionComment.requestFocus();
 162                     break;
 163                 case Description:
 164                     boolean focused = b.newTransactionDescription.requestFocus();
 165 //                            tvDescription.dismissDropDown();
 166                     if (focused)
 167                         Misc.showSoftKeyboard((NewTransactionActivity) b.getRoot()
 168                                                                         .getContext());
 169                     break;
 170             }
 171         }
 172         finally {
 173             ignoreFocusChanges = false;
 174         }
 175     }
 176     private void monitorComment(EditText editText) {
 177         editText.addTextChangedListener(new TextWatcher() {
 178             @Override
 179             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 180             }
 181             @Override
 182             public void onTextChanged(CharSequence s, int start, int before, int count) {
 183             }
 184             @Override
 185             public void afterTextChanged(Editable s) {
 186 //                debug("input", "text changed");
 187                 if (inUpdate)
 188                     return;
 189
 190                 Logger.debug("textWatcher", "calling syncData()");
 191                 syncData();
 192                 Logger.debug("textWatcher",
 193                         "syncData() returned, checking if transaction is submittable");
 194                 styleComment(editText, s.toString());
 195                 Logger.debug("textWatcher", "done");
 196             }
 197         });
 198     }
 199     private void commentFocusChanged(TextView textView, boolean hasFocus) {
 200         @ColorInt int textColor;
 201         textColor = b.dummyText.getTextColors()
 202                                .getDefaultColor();
 203         if (hasFocus) {
 204             textView.setTypeface(null, Typeface.NORMAL);
 205             textView.setHint(R.string.transaction_account_comment_hint);
 206         }
 207         else {
 208             int alpha = (textColor >> 24 & 0xff);
 209             alpha = 3 * alpha / 4;
 210             textColor = (alpha << 24) | (0x00ffffff & textColor);
 211             textView.setTypeface(null, Typeface.ITALIC);
 212             textView.setHint("");
 213             if (TextUtils.isEmpty(textView.getText())) {
 214                 textView.setVisibility(View.INVISIBLE);
 215             }
 216         }
 217         textView.setTextColor(textColor);
 218
 219     }
 220     private void setEditable(Boolean editable) {
 221         b.newTransactionDate.setEnabled(editable);
 222         b.newTransactionDescription.setEnabled(editable);
 223     }
 224     private void beginUpdates() {
 225         if (inUpdate)
 226             throw new RuntimeException("Already in update mode");
 227         inUpdate = true;
 228     }
 229     private void endUpdates() {
 230         if (!inUpdate)
 231             throw new RuntimeException("Not in update mode");
 232         inUpdate = false;
 233     }
 234     /**
 235      * syncData()
 236      * <p>
 237      * Stores the data from the UI elements into the model item
 238      * Returns true if there were changes made that suggest transaction has to be
 239      * checked for being submittable
 240      */
 241     private boolean syncData() {
 242         if (syncingData) {
 243             Logger.debug("new-trans", "skipping syncData() loop");
 244             return false;
 245         }
 246
 247         if (getAdapterPosition() < 0) {
 248             // probably the row was swiped out
 249             Logger.debug("new-trans", "Ignoring request to suncData(): adapter position negative");
 250             return false;
 251         }
 252
 253
 254         boolean significantChange = false;
 255
 256         syncingData = true;
 257         try {
 258             NewTransactionModel.TransactionHead head = getItem().toTransactionHead();
 259
 260             head.setDate(String.valueOf(b.newTransactionDate.getText()));
 261
 262             // transaction description is required
 263             if (TextUtils.isEmpty(head.getDescription()) !=
 264                 TextUtils.isEmpty(b.newTransactionDescription.getText()))
 265                 significantChange = true;
 266
 267             head.setDescription(String.valueOf(b.newTransactionDescription.getText()));
 268             head.setComment(String.valueOf(b.transactionComment.getText()));
 269
 270             return significantChange;
 271         }
 272         catch (ParseException e) {
 273             throw new RuntimeException("Should not happen", e);
 274         }
 275         finally {
 276             syncingData = false;
 277         }
 278     }
 279     private void pickTransactionDate() {
 280         DatePickerFragment picker = new DatePickerFragment();
 281         picker.setFutureDates(mProfile.getFutureDates());
 282         picker.setOnDatePickedListener(this);
 283         picker.setCurrentDateFromText(b.newTransactionDate.getText());
 284         picker.show(((NewTransactionActivity) b.getRoot()
 285                                                .getContext()).getSupportFragmentManager(), null);
 286     }
 287     /**
 288      * bind
 289      *
 290      * @param item updates the UI elements with the data from the model item
 291      */
 292     @SuppressLint("DefaultLocale")
 293     public void bind(@NonNull NewTransactionModel.Item item) {
 294         beginUpdates();
 295         try {
 296             syncingData = true;
 297             try {
 298                 NewTransactionModel.TransactionHead head = item.toTransactionHead();
 299                 b.newTransactionDate.setText(head.getFormattedDate());
 300
 301                 // avoid triggering completion pop-up
 302                 SimpleCursorAdapter a =
 303                         (SimpleCursorAdapter) b.newTransactionDescription.getAdapter();
 304                 try {
 305                     b.newTransactionDescription.setAdapter(null);
 306                     b.newTransactionDescription.setText(head.getDescription());
 307                 }
 308                 finally {
 309                     b.newTransactionDescription.setAdapter(a);
 310                 }
 311
 312                 b.transactionComment.setText(head.getComment());
 313                 //styleComment(b.transactionComment, head.getComment());
 314
 315                 setEditable(true);
 316
 317                 applyFocus(mAdapter.model.getFocusInfo()
 318                                          .getValue());
 319             }
 320             finally {
 321                 syncingData = false;
 322             }
 323         }
 324         finally {
 325             endUpdates();
 326         }
 327     }
 328     private void styleComment(EditText editText, String comment) {
 329         final View focusedView = editText.findFocus();
 330         editText.setTypeface(null, (focusedView == editText) ? Typeface.NORMAL : Typeface.ITALIC);
 331         editText.setVisibility(
 332                 ((focusedView != editText) && TextUtils.isEmpty(comment)) ? View.INVISIBLE
 333                                                                           : View.VISIBLE);
 334     }
 335     @Override
 336     public void onDatePicked(int year, int month, int day) {
 337         final NewTransactionModel.TransactionHead head = getItem().toTransactionHead();
 338         head.setDate(new SimpleDate(year, month + 1, day));
 339         b.newTransactionDate.setText(head.getFormattedDate());
 340
 341         boolean focused = b.newTransactionDescription.requestFocus();
 342         if (focused)
 343             Misc.showSoftKeyboard((NewTransactionActivity) b.getRoot()
 344                                                             .getContext());
 345
 346     }
 347 }