--- /dev/null
+/*
+ * Copyright © 2021 Damyan Ivanov.
+ * This file is part of MoLe.
+ * MoLe is free software: you can distribute it and/or modify it
+ * under the term of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your opinion), any later version.
+ *
+ * MoLe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License terms for details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.ktnx.mobileledger.ui.new_transaction;
+
+import android.annotation.SuppressLint;
+import android.graphics.Typeface;
+import android.text.Editable;
+import android.text.TextUtils;
+import android.text.TextWatcher;
+import android.view.Gravity;
+import android.view.View;
+import android.view.inputmethod.EditorInfo;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import androidx.annotation.ColorInt;
+import androidx.annotation.NonNull;
+import androidx.constraintlayout.widget.ConstraintLayout;
+
+import net.ktnx.mobileledger.R;
+import net.ktnx.mobileledger.databinding.NewTransactionAccountRowBinding;
+import net.ktnx.mobileledger.db.AccountAutocompleteAdapter;
+import net.ktnx.mobileledger.model.Currency;
+import net.ktnx.mobileledger.model.Data;
+import net.ktnx.mobileledger.ui.CurrencySelectorFragment;
+import net.ktnx.mobileledger.ui.TextViewClearHelper;
+import net.ktnx.mobileledger.utils.DimensionUtils;
+import net.ktnx.mobileledger.utils.Logger;
+import net.ktnx.mobileledger.utils.Misc;
+
+import java.text.DecimalFormatSymbols;
+
+class NewTransactionAccountRowItemHolder extends NewTransactionItemViewHolder {
+ private final String decimalDot = ".";
+ private final NewTransactionAccountRowBinding b;
+ private boolean ignoreFocusChanges = false;
+ private String decimalSeparator;
+ private boolean inUpdate = false;
+ private boolean syncingData = false;
+ //TODO multiple amounts with different currencies per posting?
+ NewTransactionAccountRowItemHolder(@NonNull NewTransactionAccountRowBinding b,
+ NewTransactionItemsAdapter adapter) {
+ super(b.getRoot(), adapter);
+ this.b = b;
+ new TextViewClearHelper().attachToTextView(b.comment);
+
+ b.accountRowAccName.setNextFocusForwardId(View.NO_ID);
+ b.accountRowAccAmounts.setNextFocusForwardId(View.NO_ID); // magic!
+
+ b.accountCommentButton.setOnClickListener(v -> {
+ b.comment.setVisibility(View.VISIBLE);
+ b.comment.requestFocus();
+ });
+
+ @SuppressLint("DefaultLocale") View.OnFocusChangeListener focusMonitor = (v, hasFocus) -> {
+ final int id = v.getId();
+ if (hasFocus) {
+ boolean wasSyncing = syncingData;
+ syncingData = true;
+ try {
+ final int pos = getAdapterPosition();
+ if (id == R.id.account_row_acc_name) {
+ adapter.noteFocusIsOnAccount(pos);
+ }
+ else if (id == R.id.account_row_acc_amounts) {
+ adapter.noteFocusIsOnAmount(pos);
+ }
+ else if (id == R.id.comment) {
+ adapter.noteFocusIsOnComment(pos);
+ }
+ else
+ throw new IllegalStateException("Where is the focus? " + id);
+ }
+ finally {
+ syncingData = wasSyncing;
+ }
+ }
+ else { // lost focus
+ if (id == R.id.account_row_acc_amounts) {
+ try {
+ String input = String.valueOf(b.accountRowAccAmounts.getText());
+ input = input.replace(decimalSeparator, decimalDot);
+ final String newText = String.format("%4.2f", Float.parseFloat(input));
+ if (!newText.equals(input)) {
+ boolean wasSyncingData = syncingData;
+ syncingData = true;
+ try {
+ b.accountRowAccAmounts.setText(newText);
+ }
+ finally {
+ syncingData = wasSyncingData;
+ }
+ }
+ }
+ catch (NumberFormatException ex) {
+ // ignored
+ }
+ }
+ }
+
+ if (id == R.id.comment) {
+ commentFocusChanged(b.comment, hasFocus);
+ }
+ };
+
+ b.accountRowAccName.setOnFocusChangeListener(focusMonitor);
+ b.accountRowAccAmounts.setOnFocusChangeListener(focusMonitor);
+ b.comment.setOnFocusChangeListener(focusMonitor);
+
+ NewTransactionActivity activity = (NewTransactionActivity) b.getRoot()
+ .getContext();
+
+ b.accountRowAccName.setAdapter(new AccountAutocompleteAdapter(b.getRoot()
+ .getContext(), mProfile));
+
+ decimalSeparator = "";
+ Data.locale.observe(activity, locale -> decimalSeparator = String.valueOf(
+ DecimalFormatSymbols.getInstance(locale)
+ .getMonetaryDecimalSeparator()));
+
+ final TextWatcher tw = new TextWatcher() {
+ @Override
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+ }
+
+ @Override
+ public void onTextChanged(CharSequence s, int start, int before, int count) {
+ }
+
+ @Override
+ public void afterTextChanged(Editable s) {
+// debug("input", "text changed");
+ if (inUpdate)
+ return;
+
+ Logger.debug("textWatcher", "calling syncData()");
+ if (syncData()) {
+ Logger.debug("textWatcher",
+ "syncData() returned, checking if transaction is submittable");
+ adapter.model.checkTransactionSubmittable(null);
+ }
+ Logger.debug("textWatcher", "done");
+ }
+ };
+ final TextWatcher amountWatcher = new TextWatcher() {
+ @Override
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
+ @Override
+ public void onTextChanged(CharSequence s, int start, int before, int count) {}
+ @Override
+ public void afterTextChanged(Editable s) {
+ checkAmountValid(s.toString());
+
+ if (syncData())
+ adapter.model.checkTransactionSubmittable(null);
+ }
+ };
+ b.accountRowAccName.addTextChangedListener(tw);
+ monitorComment(b.comment);
+ b.accountRowAccAmounts.addTextChangedListener(amountWatcher);
+
+ b.currencyButton.setOnClickListener(v -> {
+ CurrencySelectorFragment cpf = new CurrencySelectorFragment();
+ cpf.showPositionAndPadding();
+ cpf.setOnCurrencySelectedListener(c -> adapter.setItemCurrency(getAdapterPosition(),
+ (c == null) ? null : c.getName()));
+ cpf.show(activity.getSupportFragmentManager(), "currency-selector");
+ });
+
+ commentFocusChanged(b.comment, false);
+
+ adapter.model.getFocusInfo()
+ .observe(activity, this::applyFocus);
+
+ Data.currencyGap.observe(activity,
+ hasGap -> updateCurrencyPositionAndPadding(Data.currencySymbolPosition.getValue(),
+ hasGap));
+
+ Data.currencySymbolPosition.observe(activity,
+ position -> updateCurrencyPositionAndPadding(position,
+ Data.currencyGap.getValue()));
+
+ adapter.model.getShowCurrency()
+ .observe(activity, showCurrency -> {
+ if (showCurrency) {
+ b.currency.setVisibility(View.VISIBLE);
+ b.currencyButton.setVisibility(View.VISIBLE);
+ setCurrencyString(mProfile.getDefaultCommodity());
+ }
+ else {
+ b.currency.setVisibility(View.GONE);
+ b.currencyButton.setVisibility(View.GONE);
+ setCurrencyString(null);
+ }
+ });
+
+ adapter.model.getShowComments()
+ .observe(activity, show -> b.commentLayout.setVisibility(
+ show ? View.VISIBLE : View.GONE));
+ }
+ private void applyFocus(NewTransactionModel.FocusInfo focusInfo) {
+ if (ignoreFocusChanges) {
+ Logger.debug("new-trans", "Ignoring focus change");
+ return;
+ }
+ ignoreFocusChanges = true;
+ try {
+ if (((focusInfo == null) || (focusInfo.element == null) ||
+ focusInfo.position != getAdapterPosition()))
+ return;
+
+ NewTransactionModel.TransactionAccount acc = getItem().toTransactionAccount();
+ switch (focusInfo.element) {
+ case Amount:
+ b.accountRowAccAmounts.requestFocus();
+ break;
+ case Comment:
+ b.comment.setVisibility(View.VISIBLE);
+ b.comment.requestFocus();
+ break;
+ case Account:
+ boolean focused = b.accountRowAccName.requestFocus();
+// b.accountRowAccName.dismissDropDown();
+ if (focused)
+ Misc.showSoftKeyboard((NewTransactionActivity) b.getRoot()
+ .getContext());
+ break;
+ }
+ }
+ finally {
+ ignoreFocusChanges = false;
+ }
+ }
+ public void checkAmountValid(String s) {
+ boolean valid = true;
+ try {
+ if (s.length() > 0) {
+ float ignored = Float.parseFloat(s.replace(decimalSeparator, decimalDot));
+ }
+ }
+ catch (NumberFormatException ex) {
+ valid = false;
+ }
+
+ displayAmountValidity(valid);
+ }
+ private void displayAmountValidity(boolean valid) {
+ b.accountRowAccAmounts.setCompoundDrawablesRelativeWithIntrinsicBounds(
+ valid ? 0 : R.drawable.ic_error_outline_black_24dp, 0, 0, 0);
+ b.accountRowAccAmounts.setMinEms(valid ? 4 : 5);
+ }
+ private void monitorComment(EditText editText) {
+ editText.addTextChangedListener(new TextWatcher() {
+ @Override
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+ }
+ @Override
+ public void onTextChanged(CharSequence s, int start, int before, int count) {
+ }
+ @Override
+ public void afterTextChanged(Editable s) {
+// debug("input", "text changed");
+ if (inUpdate)
+ return;
+
+ Logger.debug("textWatcher", "calling syncData()");
+ syncData();
+ Logger.debug("textWatcher",
+ "syncData() returned, checking if transaction is submittable");
+ styleComment(editText, s.toString());
+ Logger.debug("textWatcher", "done");
+ }
+ });
+ }
+ private void commentFocusChanged(TextView textView, boolean hasFocus) {
+ @ColorInt int textColor;
+ textColor = b.dummyText.getTextColors()
+ .getDefaultColor();
+ if (hasFocus) {
+ textView.setTypeface(null, Typeface.NORMAL);
+ textView.setHint(R.string.transaction_account_comment_hint);
+ }
+ else {
+ int alpha = (textColor >> 24 & 0xff);
+ alpha = 3 * alpha / 4;
+ textColor = (alpha << 24) | (0x00ffffff & textColor);
+ textView.setTypeface(null, Typeface.ITALIC);
+ textView.setHint("");
+ if (TextUtils.isEmpty(textView.getText())) {
+ textView.setVisibility(View.INVISIBLE);
+ }
+ }
+ textView.setTextColor(textColor);
+
+ }
+ private void updateCurrencyPositionAndPadding(Currency.Position position, boolean hasGap) {
+ ConstraintLayout.LayoutParams amountLP =
+ (ConstraintLayout.LayoutParams) b.accountRowAccAmounts.getLayoutParams();
+ ConstraintLayout.LayoutParams currencyLP =
+ (ConstraintLayout.LayoutParams) b.currency.getLayoutParams();
+
+ if (position == Currency.Position.before) {
+ currencyLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
+ currencyLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
+
+ amountLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
+ amountLP.endToStart = ConstraintLayout.LayoutParams.UNSET;
+ amountLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
+ amountLP.startToEnd = b.currency.getId();
+
+ b.currency.setGravity(Gravity.END);
+ }
+ else {
+ currencyLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
+ currencyLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
+
+ amountLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
+ amountLP.startToEnd = ConstraintLayout.LayoutParams.UNSET;
+ amountLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
+ amountLP.endToStart = b.currency.getId();
+
+ b.currency.setGravity(Gravity.START);
+ }
+
+ amountLP.resolveLayoutDirection(b.accountRowAccAmounts.getLayoutDirection());
+ currencyLP.resolveLayoutDirection(b.currency.getLayoutDirection());
+
+ b.accountRowAccAmounts.setLayoutParams(amountLP);
+ b.currency.setLayoutParams(currencyLP);
+
+ // distance between the amount and the currency symbol
+ int gapSize = DimensionUtils.sp2px(b.currency.getContext(), 5);
+
+ if (position == Currency.Position.before) {
+ b.currency.setPaddingRelative(0, 0, hasGap ? gapSize : 0, 0);
+ }
+ else {
+ b.currency.setPaddingRelative(hasGap ? gapSize : 0, 0, 0, 0);
+ }
+ }
+ private void setCurrencyString(String currency) {
+ @ColorInt int textColor = b.dummyText.getTextColors()
+ .getDefaultColor();
+ if (TextUtils.isEmpty(currency)) {
+ b.currency.setText(R.string.currency_symbol);
+ int alpha = (textColor >> 24) & 0xff;
+ alpha = alpha * 3 / 4;
+ b.currency.setTextColor((alpha << 24) | (0x00ffffff & textColor));
+ }
+ else {
+ b.currency.setText(currency);
+ b.currency.setTextColor(textColor);
+ }
+ }
+ private void setCurrency(Currency currency) {
+ setCurrencyString((currency == null) ? null : currency.getName());
+ }
+ private void setEditable(Boolean editable) {
+ b.accountRowAccName.setEnabled(editable);
+ b.accountRowAccAmounts.setEnabled(editable);
+ }
+ private void beginUpdates() {
+ if (inUpdate)
+ throw new RuntimeException("Already in update mode");
+ inUpdate = true;
+ }
+ private void endUpdates() {
+ if (!inUpdate)
+ throw new RuntimeException("Not in update mode");
+ inUpdate = false;
+ }
+ /**
+ * syncData()
+ * <p>
+ * Stores the data from the UI elements into the model item
+ * Returns true if there were changes made that suggest transaction has to be
+ * checked for being submittable
+ */
+ private boolean syncData() {
+ if (syncingData) {
+ Logger.debug("new-trans", "skipping syncData() loop");
+ return false;
+ }
+
+ if (getAdapterPosition() < 0) {
+ // probably the row was swiped out
+ Logger.debug("new-trans", "Ignoring request to suncData(): adapter position negative");
+ return false;
+ }
+
+ NewTransactionModel.Item item = getItem();
+
+ syncingData = true;
+
+ boolean significantChange = false;
+
+ try {
+ NewTransactionModel.TransactionAccount acc = item.toTransactionAccount();
+
+ // having account name is important
+ final Editable incomingAccountName = b.accountRowAccName.getText();
+ if (TextUtils.isEmpty(acc.getAccountName()) != TextUtils.isEmpty(incomingAccountName))
+ significantChange = true;
+
+ acc.setAccountName(String.valueOf(incomingAccountName));
+ final int accNameSelEnd = b.accountRowAccName.getSelectionEnd();
+ final int accNameSelStart = b.accountRowAccName.getSelectionStart();
+ acc.setAccountNameCursorPosition(accNameSelEnd);
+
+ acc.setComment(String.valueOf(b.comment.getText()));
+
+ String amount = String.valueOf(b.accountRowAccAmounts.getText());
+ amount = amount.trim();
+
+ if (amount.isEmpty()) {
+ if (acc.isAmountSet())
+ significantChange = true;
+ acc.resetAmount();
+ acc.setAmountValid(true);
+ }
+ else {
+ try {
+ amount = amount.replace(decimalSeparator, decimalDot);
+ final float parsedAmount = Float.parseFloat(amount);
+ if (!acc.isAmountSet() || !Misc.equalFloats(parsedAmount, acc.getAmount()))
+ significantChange = true;
+ acc.setAmount(parsedAmount);
+ acc.setAmountValid(true);
+ }
+ catch (NumberFormatException e) {
+ Logger.debug("new-trans", String.format(
+ "assuming amount is not set due to number format exception. " +
+ "input was '%s'", amount));
+ if (acc.isAmountValid())
+ significantChange = true;
+ acc.setAmountValid(false);
+ }
+ final String curr = String.valueOf(b.currency.getText());
+ final String currValue;
+ if (curr.equals(b.currency.getContext()
+ .getResources()
+ .getString(R.string.currency_symbol)) || curr.isEmpty())
+ currValue = null;
+ else
+ currValue = curr;
+
+ if (!significantChange && !Misc.equalStrings(acc.getCurrency(), currValue))
+ significantChange = true;
+ acc.setCurrency(currValue);
+ }
+
+ return significantChange;
+ }
+ finally {
+ syncingData = false;
+ }
+ }
+ /**
+ * bind
+ *
+ * @param item updates the UI elements with the data from the model item
+ */
+ @SuppressLint("DefaultLocale")
+ public void bind(@NonNull NewTransactionModel.Item item) {
+ beginUpdates();
+ try {
+ syncingData = true;
+ try {
+ NewTransactionModel.TransactionAccount acc = item.toTransactionAccount();
+
+ final String incomingAccountName = acc.getAccountName();
+ final String presentAccountName = String.valueOf(b.accountRowAccName.getText());
+ if (!Misc.equalStrings(incomingAccountName, presentAccountName)) {
+ Logger.debug("bind",
+ String.format("Setting account name from '%s' to '%s' (| @ %d)",
+ presentAccountName, incomingAccountName,
+ acc.getAccountNameCursorPosition()));
+ // avoid triggering completion pop-up
+ AccountAutocompleteAdapter a =
+ (AccountAutocompleteAdapter) b.accountRowAccName.getAdapter();
+ try {
+ b.accountRowAccName.setAdapter(null);
+ b.accountRowAccName.setText(incomingAccountName);
+ b.accountRowAccName.setSelection(acc.getAccountNameCursorPosition());
+ }
+ finally {
+ b.accountRowAccName.setAdapter(a);
+ }
+ }
+
+ final String amountHint = acc.getAmountHint();
+ if (amountHint == null) {
+ b.accountRowAccAmounts.setHint(R.string.zero_amount);
+ }
+ else {
+ b.accountRowAccAmounts.setHint(amountHint);
+ }
+
+ b.accountRowAccAmounts.setImeOptions(
+ acc.isLast() ? EditorInfo.IME_ACTION_DONE : EditorInfo.IME_ACTION_NEXT);
+
+ setCurrencyString(acc.getCurrency());
+ b.accountRowAccAmounts.setText(
+ acc.isAmountSet() ? String.format("%4.2f", acc.getAmount()) : null);
+ displayAmountValidity(true);
+
+ b.comment.setText(acc.getComment());
+
+ setEditable(true);
+
+ applyFocus(mAdapter.model.getFocusInfo()
+ .getValue());
+ }
+ finally {
+ syncingData = false;
+ }
+ }
+ finally {
+ endUpdates();
+ }
+ }
+ private void styleComment(EditText editText, String comment) {
+ final View focusedView = editText.findFocus();
+ editText.setTypeface(null, (focusedView == editText) ? Typeface.NORMAL : Typeface.ITALIC);
+ editText.setVisibility(
+ ((focusedView != editText) && TextUtils.isEmpty(comment)) ? View.INVISIBLE
+ : View.VISIBLE);
+ }
+}