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