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/* * Copyright (c) 2014 Ngewi Fet <ngewif@gmail.com> *//from w ww . ja va 2 s.c om * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.gnucash.android.ui.transaction.dialog; import android.database.Cursor; import android.os.Bundle; import android.support.v4.app.DialogFragment; import android.support.v4.widget.SimpleCursorAdapter; import android.text.Editable; import android.text.TextWatcher; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.widget.*; import org.gnucash.android.R; import org.gnucash.android.db.AccountsDbAdapter; import org.gnucash.android.db.DatabaseSchema; import org.gnucash.android.db.SplitsDbAdapter; import org.gnucash.android.model.*; import org.gnucash.android.ui.UxArgument; import org.gnucash.android.ui.transaction.TransactionFormFragment; import org.gnucash.android.ui.transaction.TransactionsActivity; import org.gnucash.android.ui.util.AmountInputFormatter; import org.gnucash.android.ui.util.TransactionTypeToggleButton; import org.gnucash.android.util.QualifiedAccountNameCursorAdapter; import java.math.BigDecimal; import java.util.ArrayList; import java.util.Currency; import java.util.List; import java.util.UUID; /** * Dialog for editing the splits in a transaction * * @author Ngewi Fet <ngewif@gmail.com> */ public class SplitEditorDialogFragment extends DialogFragment { private LinearLayout mSplitsLinearLayout; private TextView mImbalanceTextView; private Button mAddSplit; private Button mSaveButton; private Button mCancelButton; private AccountsDbAdapter mAccountsDbAdapter; private SplitsDbAdapter mSplitsDbAdapter; private Cursor mCursor; private SimpleCursorAdapter mCursorAdapter; private List<View> mSplitItemViewList; private String mAccountUID; private BalanceTextWatcher mBalanceUpdater = new BalanceTextWatcher(); private BigDecimal mBaseAmount = BigDecimal.ZERO; private List<String> mRemovedSplitUIDs = new ArrayList<String>(); /** * Create and return a new instance of the fragment with the appropriate paramenters * @param baseAmountString String with base amount which is being split * @return New instance of SplitEditorDialogFragment */ public static SplitEditorDialogFragment newInstance(String baseAmountString){ SplitEditorDialogFragment fragment = new SplitEditorDialogFragment(); Bundle args = new Bundle(); args.putString(UxArgument.AMOUNT_STRING, baseAmountString); fragment.setArguments(args); return fragment; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.dialog_split_editor, container, false); mSplitsLinearLayout = (LinearLayout) view.findViewById(R.id.split_list_layout); mImbalanceTextView = (TextView) view.findViewById(R.id.imbalance_textview); mAddSplit = (Button) view.findViewById(R.id.btn_add_split); mSaveButton = (Button) view.findViewById(R.id.btn_save); mCancelButton = (Button) view.findViewById(R.id.btn_cancel); return view; } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); getDialog().getWindow().setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.MATCH_PARENT); getDialog().setTitle("Transaction splits"); initArgs(); mSplitItemViewList = new ArrayList<View>(); mSplitsDbAdapter = new SplitsDbAdapter(getActivity()); //we are editing splits for a new transaction. // But the user may have already created some splits before. Let's check List<Split> splitList = ((TransactionFormFragment) getTargetFragment()).getSplitList(); if (!splitList.isEmpty()) { //aha! there are some splits. Let's load those instead loadSplitViews(splitList); } else { final Currency currency = Currency.getInstance(mAccountsDbAdapter.getCurrencyCode(mAccountUID)); Split split = new Split(new Money(mBaseAmount, currency), mAccountUID); AccountType accountType = mAccountsDbAdapter.getAccountType(mAccountUID); TransactionType transactionType = Transaction.getTypeForBalance(accountType, mBaseAmount.signum() < 0); split.setType(transactionType); View view = addSplitView(split); view.findViewById(R.id.input_accounts_spinner).setEnabled(false); view.findViewById(R.id.btn_remove_split).setVisibility(View.GONE); } setListeners(); updateTotal(); } private void loadSplitViews(List<Split> splitList) { for (Split split : splitList) { addSplitView(split); } } /** * Add a split view and initialize it with <code>split</code> * @param split Split to initialize the contents to * @return Returns the split view which was added */ private View addSplitView(Split split){ LayoutInflater layoutInflater = getActivity().getLayoutInflater(); View splitView = layoutInflater.inflate(R.layout.item_split_entry, mSplitsLinearLayout, false); mSplitsLinearLayout.addView(splitView,0); bindSplitView(splitView, split); mSplitItemViewList.add(splitView); return splitView; } /** * Extracts arguments passed to the view and initializes necessary adapters and cursors */ private void initArgs() { mAccountsDbAdapter = new AccountsDbAdapter(getActivity()); Bundle args = getArguments(); mAccountUID = ((TransactionsActivity)getActivity()).getCurrentAccountUID(); mBaseAmount = new BigDecimal(args.getString(UxArgument.AMOUNT_STRING)); String conditions = "(" //+ AccountEntry._ID + " != " + mAccountId + " AND " + DatabaseSchema.AccountEntry.COLUMN_CURRENCY + " = '" + mAccountsDbAdapter.getCurrencyCode(mAccountUID) + "' AND " + DatabaseSchema.AccountEntry.COLUMN_UID + " != '" + mAccountsDbAdapter.getGnuCashRootAccountUID() + "' AND " + DatabaseSchema.AccountEntry.COLUMN_PLACEHOLDER + " = 0" + ")"; mCursor = mAccountsDbAdapter.fetchAccountsOrderedByFullName(conditions); } /** * Binds the different UI elements of an inflated list view to corresponding actions * @param splitView Split item view * @param split {@link org.gnucash.android.model.Split} to use to populate the view */ private void bindSplitView(final View splitView, Split split){ EditText splitMemoEditText = (EditText) splitView.findViewById(R.id.input_split_memo); final EditText splitAmountEditText = (EditText) splitView.findViewById(R.id.input_split_amount); ImageButton removeSplitButton = (ImageButton) splitView.findViewById(R.id.btn_remove_split); Spinner accountsSpinner = (Spinner) splitView.findViewById(R.id.input_accounts_spinner); final TextView splitCurrencyTextView = (TextView) splitView.findViewById(R.id.split_currency_symbol); final TextView splitUidTextView = (TextView) splitView.findViewById(R.id.split_uid); final TransactionTypeToggleButton splitTypeButton = (TransactionTypeToggleButton) splitView.findViewById(R.id.btn_split_type); splitAmountEditText.addTextChangedListener(new AmountInputFormatter(splitAmountEditText)); removeSplitButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { mRemovedSplitUIDs.add(splitUidTextView.getText().toString()); mSplitsLinearLayout.removeView(splitView); mSplitItemViewList.remove(splitView); updateTotal(); } }); updateTransferAccountsList(accountsSpinner); accountsSpinner.setOnItemSelectedListener(new TypeButtonLabelUpdater(splitTypeButton)); Currency accountCurrency = Currency.getInstance(mAccountsDbAdapter.getCurrencyCode(mAccountUID)); splitCurrencyTextView.setText(accountCurrency.getSymbol()); splitTypeButton.setAmountFormattingListener(splitAmountEditText, splitCurrencyTextView); splitTypeButton.setChecked(mBaseAmount.signum() > 0); splitUidTextView.setText(UUID.randomUUID().toString()); if (split != null) { splitAmountEditText.setText(split.getAmount().toPlainString()); splitMemoEditText.setText(split.getMemo()); splitUidTextView.setText(split.getUID()); String splitAccountUID = split.getAccountUID(); setSelectedTransferAccount(mAccountsDbAdapter.getAccountID(splitAccountUID), accountsSpinner); splitTypeButton.setAccountType(mAccountsDbAdapter.getAccountType(splitAccountUID)); splitTypeButton.setChecked(split.getType()); } //put these balance update triggers last last so as to avoid computing while still loading splitAmountEditText.addTextChangedListener(mBalanceUpdater); splitTypeButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { updateTotal(); } }); } /** * Updates the spinner to the selected transfer account * @param accountId Database ID of the transfer account */ private void setSelectedTransferAccount(long accountId, final Spinner accountsSpinner){ for (int pos = 0; pos < mCursorAdapter.getCount(); pos++) { if (mCursorAdapter.getItemId(pos) == accountId){ accountsSpinner.setSelection(pos); break; } } } /** * Updates the list of possible transfer accounts. * Only accounts with the same currency can be transferred to */ private void updateTransferAccountsList(Spinner transferAccountSpinner){ mCursorAdapter = new QualifiedAccountNameCursorAdapter(getActivity(), android.R.layout.simple_spinner_item, mCursor); mCursorAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); transferAccountSpinner.setAdapter(mCursorAdapter); } /** * Attaches listeners for the buttons of the dialog */ protected void setListeners(){ mCancelButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { dismiss(); } }); mSaveButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { List<Split> splitList = extractSplitsFromView(); ((TransactionFormFragment) getTargetFragment()).setSplitList(splitList, mRemovedSplitUIDs); dismiss(); } }); mAddSplit.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { addSplitView(null); } }); } /** * Extracts the input from the views and builds {@link org.gnucash.android.model.Split}s to correspond to the input. * @return List of {@link org.gnucash.android.model.Split}s represented in the view */ private List<Split> extractSplitsFromView(){ List<Split> splitList = new ArrayList<Split>(); for (View splitView : mSplitItemViewList) { EditText splitMemoEditText = (EditText) splitView.findViewById(R.id.input_split_memo); EditText splitAmountEditText = (EditText) splitView.findViewById(R.id.input_split_amount); Spinner accountsSpinner = (Spinner) splitView.findViewById(R.id.input_accounts_spinner); TextView splitUidTextView = (TextView) splitView.findViewById(R.id.split_uid); TransactionTypeToggleButton splitTypeButton = (TransactionTypeToggleButton) splitView.findViewById(R.id.btn_split_type); BigDecimal amountBigDecimal = TransactionFormFragment.parseInputToDecimal(splitAmountEditText.getText().toString()); String currencyCode = mAccountsDbAdapter.getCurrencyCode(accountsSpinner.getSelectedItemId()); String accountUID = mAccountsDbAdapter.getAccountUID(accountsSpinner.getSelectedItemId()); Money amount = new Money(amountBigDecimal, Currency.getInstance(currencyCode)); Split split = new Split(amount, accountUID); split.setMemo(splitMemoEditText.getText().toString()); split.setType(splitTypeButton.getTransactionType()); split.setUID(splitUidTextView.getText().toString().trim()); splitList.add(split); } return splitList; } /** * Updates the displayed total for the transaction. * Computes the total of the splits, the unassigned balance and the split sum */ private void updateTotal(){ List<Split> splitList = extractSplitsFromView(); String currencyCode = mAccountsDbAdapter.getCurrencyCode(mAccountUID); Money splitSum = Money.createZeroInstance(currencyCode); for (Split split : splitList) { Money amount = split.getAmount().absolute(); if (split.getType() == TransactionType.DEBIT) splitSum = splitSum.subtract(amount); else splitSum = splitSum.add(amount); } TransactionsActivity.displayBalance(mImbalanceTextView, splitSum); } @Override public void onDestroy() { super.onDestroy(); mAccountsDbAdapter.close(); mSplitsDbAdapter.close(); } /** * Updates the displayed balance of the accounts when the amount of a split is changed */ private class BalanceTextWatcher implements TextWatcher { @Override public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) { } @Override public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) { } @Override public void afterTextChanged(Editable editable) { updateTotal(); } } /** * Updates the account type for the TransactionTypeButton when the selected account is changed in the spinner */ private class TypeButtonLabelUpdater implements AdapterView.OnItemSelectedListener { TransactionTypeToggleButton mTypeToggleButton; public TypeButtonLabelUpdater(TransactionTypeToggleButton typeToggleButton){ this.mTypeToggleButton = typeToggleButton; } @Override public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) { AccountType accountType = mAccountsDbAdapter.getAccountType(id); mTypeToggleButton.setAccountType(accountType); } @Override public void onNothingSelected(AdapterView<?> adapterView) { } } }