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.ListAdapter;
  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.db.TransactionDescriptionAutocompleteAdapter;
  36 import net.ktnx.mobileledger.model.Data;
  37 import net.ktnx.mobileledger.model.FutureDates;
  38 import net.ktnx.mobileledger.ui.DatePickerFragment;
  39 import net.ktnx.mobileledger.utils.Logger;
  40 import net.ktnx.mobileledger.utils.Misc;
  41 import net.ktnx.mobileledger.utils.SimpleDate;
  42
  43 import java.text.DecimalFormatSymbols;
  44 import java.text.ParseException;
  45
  46 class NewTransactionHeaderItemHolder extends NewTransactionItemViewHolder
  47         implements DatePickerFragment.DatePickedListener {
  48     private final NewTransactionHeaderRowBinding b;
  49     private boolean ignoreFocusChanges = false;
  50     private String decimalSeparator;
  51     private boolean inUpdate = false;
  52     private boolean syncingData = false;
  53     //TODO multiple amounts with different currencies per posting?
  54     NewTransactionHeaderItemHolder(@NonNull NewTransactionHeaderRowBinding b,
  55                                    NewTransactionItemsAdapter adapter) {
  56         super(b.getRoot(), adapter);
  57         this.b = b;
  58
  59         b.newTransactionDescription.setNextFocusForwardId(View.NO_ID);
  60
  61         b.newTransactionDate.setOnClickListener(v -> pickTransactionDate());
  62
  63         b.transactionCommentButton.setOnClickListener(v -> {
  64             b.transactionComment.setVisibility(View.VISIBLE);
  65             b.transactionComment.requestFocus();
  66         });
  67
  68         @SuppressLint("DefaultLocale") View.OnFocusChangeListener focusMonitor = (v, hasFocus) -> {
  69             final int id = v.getId();
  70             if (hasFocus) {
  71                 boolean wasSyncing = syncingData;
  72                 syncingData = true;
  73                 try {
  74                     final int pos = getAdapterPosition();
  75                     if (id == R.id.transaction_comment) {
  76                         adapter.noteFocusIsOnTransactionComment(pos);
  77                     }
  78                     else if (id == R.id.new_transaction_description) {
  79                         adapter.noteFocusIsOnDescription(pos);
  80                     }
  81                     else
  82                         throw new IllegalStateException("Where is the focus? " + id);
  83                 }
  84                 finally {
  85                     syncingData = wasSyncing;
  86                 }
  87             }
  88
  89             if (id == R.id.transaction_comment) {
  90                 commentFocusChanged(b.transactionComment, hasFocus);
  91             }
  92         };
  93
  94         b.newTransactionDescription.setOnFocusChangeListener(focusMonitor);
  95         b.transactionComment.setOnFocusChangeListener(focusMonitor);
  96
  97         NewTransactionActivity activity = (NewTransactionActivity) b.getRoot()
  98                                                                     .getContext();
  99
 100         b.newTransactionDescription.setAdapter(
 101                 new TransactionDescriptionAutocompleteAdapter(activity));
 102         b.newTransactionDescription.setOnItemClickListener(
 103                 (parent, view, position, id) -> activity.descriptionSelected(
 104                         parent.getItemAtPosition(position)
 105                               .toString()));
 106
 107         decimalSeparator = "";
 108         Data.locale.observe(activity, locale -> decimalSeparator = String.valueOf(
 109                 DecimalFormatSymbols.getInstance(locale)
 110                                     .getMonetaryDecimalSeparator()));
 111
 112         final TextWatcher tw = new TextWatcher() {
 113             @Override
 114             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 115             }
 116
 117             @Override
 118             public void onTextChanged(CharSequence s, int start, int before, int count) {
 119             }
 120
 121             @Override
 122             public void afterTextChanged(Editable s) {
 123 //                debug("input", "text changed");
 124                 if (inUpdate)
 125                     return;
 126
 127                 Logger.debug("textWatcher", "calling syncData()");
 128                 if (syncData()) {
 129                     Logger.debug("textWatcher",
 130                             "syncData() returned, checking if transaction is submittable");
 131                     adapter.model.checkTransactionSubmittable(null);
 132                 }
 133                 Logger.debug("textWatcher", "done");
 134             }
 135         };
 136         b.newTransactionDescription.addTextChangedListener(tw);
 137         monitorComment(b.transactionComment);
 138
 139         commentFocusChanged(b.transactionComment, false);
 140
 141         adapter.model.getFocusInfo()
 142                      .observe(activity, this::applyFocus);
 143
 144         adapter.model.getShowComments()
 145                      .observe(activity, show -> b.transactionCommentLayout.setVisibility(
 146                              show ? View.VISIBLE : View.GONE));
 147     }
 148     private void applyFocus(NewTransactionModel.FocusInfo focusInfo) {
 149         if (ignoreFocusChanges) {
 150             Logger.debug("new-trans", "Ignoring focus change");
 151             return;
 152         }
 153         ignoreFocusChanges = true;
 154         try {
 155             if (((focusInfo == null) || (focusInfo.element == null) ||
 156                  focusInfo.position != getAdapterPosition()))
 157                 return;
 158
 159             NewTransactionModel.Item head = getItem().toTransactionHead();
 160             // bad idea - double pop-up, and not really necessary.
 161             // the user can tap the input to get the calendar
 162             //if (!tvDate.hasFocus()) tvDate.requestFocus();
 163             switch (focusInfo.element) {
 164                 case TransactionComment:
 165                     b.transactionComment.setVisibility(View.VISIBLE);
 166                     b.transactionComment.requestFocus();
 167                     break;
 168                 case Description:
 169                     boolean focused = b.newTransactionDescription.requestFocus();
 170 //                            tvDescription.dismissDropDown();
 171                     if (focused)
 172                         Misc.showSoftKeyboard((NewTransactionActivity) b.getRoot()
 173                                                                         .getContext());
 174                     break;
 175             }
 176         }
 177         finally {
 178             ignoreFocusChanges = false;
 179         }
 180     }
 181     private void monitorComment(EditText editText) {
 182         editText.addTextChangedListener(new TextWatcher() {
 183             @Override
 184             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 185             }
 186             @Override
 187             public void onTextChanged(CharSequence s, int start, int before, int count) {
 188             }
 189             @Override
 190             public void afterTextChanged(Editable s) {
 191 //                debug("input", "text changed");
 192                 if (inUpdate)
 193                     return;
 194
 195                 Logger.debug("textWatcher", "calling syncData()");
 196                 syncData();
 197                 Logger.debug("textWatcher",
 198                         "syncData() returned, checking if transaction is submittable");
 199                 styleComment(editText, s.toString());
 200                 Logger.debug("textWatcher", "done");
 201             }
 202         });
 203     }
 204     private void commentFocusChanged(TextView textView, boolean hasFocus) {
 205         @ColorInt int textColor;
 206         textColor = b.dummyText.getTextColors()
 207                                .getDefaultColor();
 208         if (hasFocus) {
 209             textView.setTypeface(null, Typeface.NORMAL);
 210             textView.setHint(R.string.transaction_account_comment_hint);
 211         }
 212         else {
 213             int alpha = (textColor >> 24 & 0xff);
 214             alpha = 3 * alpha / 4;
 215             textColor = (alpha << 24) | (0x00ffffff & textColor);
 216             textView.setTypeface(null, Typeface.ITALIC);
 217             textView.setHint("");
 218             if (TextUtils.isEmpty(textView.getText())) {
 219                 textView.setVisibility(View.INVISIBLE);
 220             }
 221         }
 222         textView.setTextColor(textColor);
 223
 224     }
 225     private void setEditable(Boolean editable) {
 226         b.newTransactionDate.setEnabled(editable);
 227         b.newTransactionDescription.setEnabled(editable);
 228     }
 229     private void beginUpdates() {
 230         if (inUpdate)
 231             throw new RuntimeException("Already in update mode");
 232         inUpdate = true;
 233     }
 234     private void endUpdates() {
 235         if (!inUpdate)
 236             throw new RuntimeException("Not in update mode");
 237         inUpdate = false;
 238     }
 239     /**
 240      * syncData()
 241      * <p>
 242      * Stores the data from the UI elements into the model item
 243      * Returns true if there were changes made that suggest transaction has to be
 244      * checked for being submittable
 245      */
 246     private boolean syncData() {
 247         if (syncingData) {
 248             Logger.debug("new-trans", "skipping syncData() loop");
 249             return false;
 250         }
 251
 252         if (getAdapterPosition() < 0) {
 253             // probably the row was swiped out
 254             Logger.debug("new-trans", "Ignoring request to suncData(): adapter position negative");
 255             return false;
 256         }
 257
 258
 259         boolean significantChange = false;
 260
 261         syncingData = true;
 262         try {
 263             NewTransactionModel.TransactionHead head = getItem().toTransactionHead();
 264
 265             head.setDate(String.valueOf(b.newTransactionDate.getText()));
 266
 267             // transaction description is required
 268             if (TextUtils.isEmpty(head.getDescription()) !=
 269                 TextUtils.isEmpty(b.newTransactionDescription.getText()))
 270                 significantChange = true;
 271
 272             head.setDescription(String.valueOf(b.newTransactionDescription.getText()));
 273             head.setComment(String.valueOf(b.transactionComment.getText()));
 274
 275             return significantChange;
 276         }
 277         catch (ParseException e) {
 278             throw new RuntimeException("Should not happen", e);
 279         }
 280         finally {
 281             syncingData = false;
 282         }
 283     }
 284     private void pickTransactionDate() {
 285         DatePickerFragment picker = new DatePickerFragment();
 286         picker.setFutureDates(FutureDates.valueOf(mProfile.getFutureDates()));
 287         picker.setOnDatePickedListener(this);
 288         picker.setCurrentDateFromText(b.newTransactionDate.getText());
 289         picker.show(((NewTransactionActivity) b.getRoot()
 290                                                .getContext()).getSupportFragmentManager(), null);
 291     }
 292     /**
 293      * bind
 294      *
 295      * @param item updates the UI elements with the data from the model item
 296      */
 297     @SuppressLint("DefaultLocale")
 298     public void bind(@NonNull NewTransactionModel.Item item) {
 299         beginUpdates();
 300         try {
 301             syncingData = true;
 302             try {
 303                 NewTransactionModel.TransactionHead head = item.toTransactionHead();
 304                 b.newTransactionDate.setText(head.getFormattedDate());
 305
 306                 // avoid triggering completion pop-up
 307                 ListAdapter a = b.newTransactionDescription.getAdapter();
 308                 try {
 309                     b.newTransactionDescription.setAdapter(null);
 310                     b.newTransactionDescription.setText(head.getDescription());
 311                 }
 312                 finally {
 313                     b.newTransactionDescription.setAdapter(
 314                             (TransactionDescriptionAutocompleteAdapter) a);
 315                 }
 316
 317                 b.transactionComment.setText(head.getComment());
 318                 //styleComment(b.transactionComment, head.getComment());
 319
 320                 setEditable(true);
 321
 322                 applyFocus(mAdapter.model.getFocusInfo()
 323                                          .getValue());
 324             }
 325             finally {
 326                 syncingData = false;
 327             }
 328         }
 329         finally {
 330             endUpdates();
 331         }
 332     }
 333     private void styleComment(EditText editText, String comment) {
 334         final View focusedView = editText.findFocus();
 335         editText.setTypeface(null, (focusedView == editText) ? Typeface.NORMAL : Typeface.ITALIC);
 336         editText.setVisibility(
 337                 ((focusedView != editText) && TextUtils.isEmpty(comment)) ? View.INVISIBLE
 338                                                                           : View.VISIBLE);
 339     }
 340     @Override
 341     public void onDatePicked(int year, int month, int day) {
 342         final NewTransactionModel.TransactionHead head = getItem().toTransactionHead();
 343         head.setDate(new SimpleDate(year, month + 1, day));
 344         b.newTransactionDate.setText(head.getFormattedDate());
 345
 346         boolean focused = b.newTransactionDescription.requestFocus();
 347         if (focused)
 348             Misc.showSoftKeyboard((NewTransactionActivity) b.getRoot()
 349                                                             .getContext());
 350
 351     }
 352 }