+/*
+ * Copyright © 2018 Damyan Ivanov.
+ * This file is part of Mobile-Ledger.
+ * Mobile-Ledger 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.
+ *
+ * Mobile-Ledger 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 Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.ktnx.mobileledger.ui.activity;
+
+import android.annotation.SuppressLint;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.support.design.widget.BaseTransientBottomBar;
+import android.support.design.widget.Snackbar;
+import android.support.v4.app.DialogFragment;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.text.Editable;
+import android.text.InputType;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.util.TypedValue;
+import android.view.Gravity;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.inputmethod.EditorInfo;
+import android.widget.AutoCompleteTextView;
+import android.widget.EditText;
+import android.widget.ProgressBar;
+import android.widget.TableLayout;
+import android.widget.TableRow;
+import android.widget.TextView;
+
+import net.ktnx.mobileledger.ui.OnSwipeTouchListener;
+import net.ktnx.mobileledger.R;
+import net.ktnx.mobileledger.async.SaveTransactionTask;
+import net.ktnx.mobileledger.async.TaskCallback;
+import net.ktnx.mobileledger.model.LedgerTransaction;
+import net.ktnx.mobileledger.model.LedgerTransactionAccount;
+import net.ktnx.mobileledger.ui.DatePickerFragment;
+import net.ktnx.mobileledger.utils.MLDB;
+
+import java.util.Date;
+import java.util.Objects;
+
+/*
+ * TODO: nicer progress while transaction is submitted
+ * TODO: latest transactions, maybe with browsing further in the past?
+ * TODO: reports
+ * TODO: get rid of the custom session/cookie and auth code?
+ * (the last problem with the POST was the missing content-length header)
+ * TODO: app icon
+ * TODO: nicer swiping removal with visual feedback
+ * TODO: setup wizard
+ * TODO: update accounts/check settings upon change of backend settings
+ * */
+
+public class NewTransactionActivity extends AppCompatActivity implements TaskCallback {
+ private static SaveTransactionTask saver;
+ private TableLayout table;
+ private ProgressBar progress;
+ private TextView text_date;
+ private AutoCompleteTextView text_descr;
+ private MenuItem mSave;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_new_transaction);
+ Toolbar toolbar = findViewById(R.id.toolbar);
+ setSupportActionBar(toolbar);
+
+ text_date = findViewById(R.id.new_transaction_date);
+ text_date.setOnFocusChangeListener(new View.OnFocusChangeListener() {
+ @Override
+ public void onFocusChange(View v, boolean hasFocus) {
+ if (hasFocus) pickTransactionDate(v);
+ }
+ });
+ text_descr = findViewById(R.id.new_transaction_description);
+ MLDB.hook_autocompletion_adapter(this, text_descr, MLDB.DESCRIPTION_HISTORY_TABLE,
+ "description");
+ hook_text_change_listener(text_descr);
+
+ progress = findViewById(R.id.save_transaction_progress);
+
+ Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
+ table = findViewById(R.id.new_transaction_accounts_table);
+ for (int i = 0; i < table.getChildCount(); i++) {
+ TableRow row = (TableRow) table.getChildAt(i);
+ AutoCompleteTextView acc_name_view = (AutoCompleteTextView) row.getChildAt(0);
+ TextView amount_view = (TextView) row.getChildAt(1);
+ hook_swipe_listener(row);
+ MLDB.hook_autocompletion_adapter(this, acc_name_view, MLDB.ACCOUNTS_TABLE, "name");
+ hook_text_change_listener(acc_name_view);
+ hook_text_change_listener(amount_view);
+// Log.d("swipe", "hooked to row "+i);
+ }
+ }
+
+ @Override
+ protected void onStart() {
+ super.onStart();
+ if (text_descr.getText().toString().isEmpty()) text_descr.requestFocus();
+ }
+
+ @Override
+ public void finish() {
+ super.finish();
+ overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ switch (item.getItemId()) {
+ case android.R.id.home:
+ finish();
+ return true;
+ }
+ return super.onOptionsItemSelected(item);
+ }
+
+ public void save_transaction() {
+ if (mSave != null) mSave.setVisible(false);
+ toggle_all_editing(false);
+ progress.setVisibility(View.VISIBLE);
+
+ saver = new SaveTransactionTask(this);
+
+ saver.setPref(PreferenceManager.getDefaultSharedPreferences(this));
+ String date = text_date.getText().toString();
+ if (date.isEmpty()) date = String.valueOf(new Date().getDate());
+ LedgerTransaction tr = new LedgerTransaction(date, text_descr.getText().toString());
+
+ TableLayout table = findViewById(R.id.new_transaction_accounts_table);
+ for (int i = 0; i < table.getChildCount(); i++) {
+ TableRow row = (TableRow) table.getChildAt(i);
+ String acc = ((TextView) row.getChildAt(0)).getText().toString();
+ String amt = ((TextView) row.getChildAt(1)).getText().toString();
+ LedgerTransactionAccount item =
+ amt.length() > 0 ? new LedgerTransactionAccount(acc, Float.parseFloat(amt))
+ : new LedgerTransactionAccount(acc);
+
+ tr.addAccount(item);
+ }
+ saver.execute(tr);
+ }
+
+ private void toggle_all_editing(boolean enabled) {
+ text_date.setEnabled(enabled);
+ text_descr.setEnabled(enabled);
+ TableLayout table = findViewById(R.id.new_transaction_accounts_table);
+ for (int i = 0; i < table.getChildCount(); i++) {
+ TableRow row = (TableRow) table.getChildAt(i);
+ for (int j = 0; j < row.getChildCount(); j++) {
+ row.getChildAt(j).setEnabled(enabled);
+ }
+ }
+ }
+
+ private void hook_swipe_listener(final TableRow row) {
+ row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
+ public void onSwipeLeft() {
+// Log.d("swipe", "LEFT" + row.getId());
+ if (table.getChildCount() > 2) {
+ TableRow prev_row = (TableRow) table.getChildAt(table.indexOfChild(row) - 1);
+ TableRow next_row = (TableRow) table.getChildAt(table.indexOfChild(row) + 1);
+ TextView prev_amt =
+ (prev_row != null) ? (TextView) prev_row.getChildAt(1) : text_descr;
+ TextView next_acc =
+ (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
+
+ if (next_acc == null) {
+ prev_amt.setNextFocusRightId(R.id.none);
+ prev_amt.setNextFocusForwardId(R.id.none);
+ prev_amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
+ }
+ else {
+ prev_amt.setNextFocusRightId(next_acc.getId());
+ prev_amt.setNextFocusForwardId(next_acc.getId());
+ prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
+ }
+
+ if (row.hasFocus()) {
+ if (next_acc != null) next_acc.requestFocus();
+ else prev_amt.requestFocus();
+ }
+
+ table.removeView(row);
+ check_transaction_submittable();
+// Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
+ }
+ else {
+ Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required,
+ Snackbar.LENGTH_LONG).setAction("Action", null).show();
+ }
+ }
+ // @Override
+// public boolean performClick(View view, MotionEvent m) {
+// return true;
+// }
+ public boolean onTouch(View view, MotionEvent m) {
+ return gestureDetector.onTouchEvent(m);
+ }
+ });
+ }
+
+ private void hook_text_change_listener(final TextView view) {
+ view.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) {
+// Log.d("input", "text changed");
+ check_transaction_submittable();
+ }
+ });
+
+ }
+
+ public boolean onCreateOptionsMenu(Menu menu) {
+ // Inflate the menu; this adds items to the action bar if it is present.
+ getMenuInflater().inflate(R.menu.new_transaction, menu);
+ mSave = menu.findItem(R.id.action_submit_transaction);
+ if (mSave == null) throw new AssertionError();
+
+ check_transaction_submittable();
+
+ return true;
+ }
+
+ public void pickTransactionDate(View view) {
+ DialogFragment picker = new DatePickerFragment();
+ picker.show(getSupportFragmentManager(), "datePicker");
+ }
+
+ public int dp2px(float dp) {
+ return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
+ getResources().getDisplayMetrics()));
+ }
+
+ private void do_add_account_row(boolean focus) {
+ final AutoCompleteTextView acc = new AutoCompleteTextView(this);
+ acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
+ TableRow.LayoutParams.WRAP_CONTENT, 9f));
+ acc.setHint(R.string.new_transaction_account_hint);
+ acc.setWidth(0);
+ acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
+ EditorInfo.IME_FLAG_NAVIGATE_NEXT);
+ acc.setSingleLine(true);
+
+ final EditText amt = new EditText(this);
+ amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
+ TableRow.LayoutParams.MATCH_PARENT, 1f));
+ amt.setHint(R.string.new_transaction_amount_hint);
+ amt.setWidth(0);
+ amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED |
+ InputType.TYPE_NUMBER_FLAG_DECIMAL);
+ amt.setMinWidth(dp2px(40));
+ amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
+ amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
+
+ // forward navigation support
+ final TableRow last_row = (TableRow) table.getChildAt(table.getChildCount() - 1);
+ final TextView last_amt = (TextView) last_row.getChildAt(1);
+ last_amt.setNextFocusForwardId(acc.getId());
+ last_amt.setNextFocusRightId(acc.getId());
+ last_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
+ acc.setNextFocusForwardId(amt.getId());
+ acc.setNextFocusRightId(amt.getId());
+
+ final TableRow row = new TableRow(this);
+ row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
+ TableRow.LayoutParams.MATCH_PARENT));
+ row.setGravity(Gravity.BOTTOM);
+ row.addView(acc);
+ row.addView(amt);
+ table.addView(row);
+
+ if (focus) acc.requestFocus();
+
+ hook_swipe_listener(row);
+ MLDB.hook_autocompletion_adapter(this, acc, MLDB.ACCOUNTS_TABLE, "name");
+ hook_text_change_listener(acc);
+ hook_text_change_listener(amt);
+ }
+
+ public void addTransactionAccountFromMenu(MenuItem item) {
+ do_add_account_row(true);
+ }
+
+ public void resetTransactionFromMenu(MenuItem item) {
+ reset_form();
+ }
+
+ public void saveTransactionFromMenu(MenuItem item) {
+ save_transaction();
+ }
+
+ private boolean is_zero(float f) {
+ return (f < 0.005) && (f > -0.005);
+ }
+
+ // rules:
+ // 1) at least two account names
+ // 2) each amount must have account name
+ // 3) amounts must balance to 0, or
+ // 3a) there must be exactly one empty amount
+ // 4) empty accounts with empty amounts are ignored
+ // 5) a row with an empty account name or empty amount is guaranteed to exist
+ @SuppressLint("DefaultLocale")
+ private void check_transaction_submittable() {
+ TableLayout table = findViewById(R.id.new_transaction_accounts_table);
+ int accounts = 0;
+ int accounts_with_values = 0;
+ int amounts = 0;
+ int amounts_with_accounts = 0;
+ int empty_rows = 0;
+ TextView empty_amount = null;
+ boolean single_empty_amount = false;
+ boolean single_empty_amount_has_account = false;
+ float running_total = 0f;
+ boolean have_description =
+ !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
+ .isEmpty();
+
+ try {
+ for (int i = 0; i < table.getChildCount(); i++) {
+ TableRow row = (TableRow) table.getChildAt(i);
+
+ TextView acc_name_v = (TextView) row.getChildAt(0);
+ TextView amount_v = (TextView) row.getChildAt(1);
+ String amt = String.valueOf(amount_v.getText());
+ String acc_name = String.valueOf(acc_name_v.getText());
+ acc_name = acc_name.trim();
+
+ if (!acc_name.isEmpty()) {
+ accounts++;
+
+ if (!amt.isEmpty()) {
+ accounts_with_values++;
+ }
+ }
+ else empty_rows++;
+
+ if (amt.isEmpty()) {
+ amount_v.setHint(String.format("%1.2f", 0f));
+ if (empty_amount == null) {
+ empty_amount = amount_v;
+ single_empty_amount = true;
+ single_empty_amount_has_account = !acc_name.isEmpty();
+ }
+ else if (!acc_name.isEmpty()) single_empty_amount = false;
+ }
+ else {
+ amounts++;
+ if (!acc_name.isEmpty()) amounts_with_accounts++;
+ running_total += Float.valueOf(amt);
+ }
+ }
+
+ if ((empty_rows == 0) &&
+ ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
+ {
+ do_add_account_row(false);
+ }
+
+ Log.d("submittable", String.format("accounts=%d, accounts_with_values=%s, " +
+ "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
+ "single_empty_with_acc=%s", accounts,
+ accounts_with_values, amounts_with_accounts, amounts, running_total,
+ (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
+
+ if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
+ (amounts_with_accounts == amounts) &&
+ (single_empty_amount && single_empty_amount_has_account || is_zero(running_total)))
+ {
+ if (mSave != null) mSave.setVisible(true);
+ }
+ else if (mSave != null) mSave.setVisible(false);
+
+ if (single_empty_amount) {
+ empty_amount.setHint(String.format("%1.2f",
+ (Math.abs(running_total) > 0.005) ? -running_total : 0f));
+ }
+
+ }
+ catch (NumberFormatException e) {
+ if (mSave != null) mSave.setVisible(false);
+ }
+ catch (Exception e) {
+ e.printStackTrace();
+ if (mSave != null) mSave.setVisible(false);
+ }
+ }
+
+ @Override
+ public void done(String error) {
+ progress.setVisibility(View.INVISIBLE);
+ Log.d("visuals", "hiding progress");
+
+ if (error == null) reset_form();
+ else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
+ BaseTransientBottomBar.LENGTH_LONG).show();
+
+ toggle_all_editing(true);
+ check_transaction_submittable();
+ }
+
+ private void reset_form() {
+ text_date.setText("");
+ text_descr.setText("");
+
+ text_descr.requestFocus();
+
+ while (table.getChildCount() > 2) {
+ table.removeViewAt(2);
+ }
+ for (int i = 0; i < 2; i++) {
+ TableRow tr = (TableRow) table.getChildAt(i);
+ if (tr == null) break;
+
+ ((TextView) tr.getChildAt(0)).setText("");
+ ((TextView) tr.getChildAt(1)).setText("");
+ }
+ }
+}
projects / mobile-ledger.git / commitdiff