Java tutorial
/* * Copyright (C) 2012-2016 The Android Money Manager Ex Project Team * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 3 * of the License, or (at your option) any later version. * * This program 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 for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.money.manager.ex.fragment; import android.app.Activity; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.database.Cursor; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.LoaderManager; import android.support.v4.content.Loader; import android.support.v4.widget.SimpleCursorAdapter; import android.text.TextUtils; import android.view.ContextMenu; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.EditText; import android.widget.ListView; import android.widget.Toast; import com.afollestad.materialdialogs.DialogAction; import com.afollestad.materialdialogs.MaterialDialog; import com.mikepenz.google_material_typeface_library.GoogleMaterial; import com.mikepenz.iconics.IconicsDrawable; import com.money.manager.ex.PayeeActivity; import com.money.manager.ex.R; import com.money.manager.ex.adapter.MoneySimpleCursorAdapter; import com.money.manager.ex.core.ContextMenuIds; import com.money.manager.ex.core.IntentFactory; import com.money.manager.ex.core.UIHelper; import com.money.manager.ex.datalayer.PayeeRepository; import com.money.manager.ex.datalayer.Select; import com.money.manager.ex.servicelayer.PayeeService; import com.money.manager.ex.common.BaseListFragment; import com.money.manager.ex.common.MmxCursorLoader; import com.money.manager.ex.database.SQLTypeTransaction; import com.money.manager.ex.domainmodel.Payee; import com.money.manager.ex.search.SearchParameters; import com.money.manager.ex.settings.AppSettings; import com.money.manager.ex.utils.AlertDialogWrapper; import com.shamanland.fonticon.FontIconDrawable; /** * List of Payees. Used as a picker/selector also. */ public class PayeeListFragment extends BaseListFragment implements LoaderManager.LoaderCallbacks<Cursor> { public static String mAction = Intent.ACTION_EDIT; // add menu ite, // private static final int MENU_ITEM_ADD = 1; private static final int ID_LOADER_PAYEE = 0; private static final String SORT_BY_USAGE = "(SELECT COUNT(*) FROM CHECKINGACCOUNT_V1 WHERE PAYEE_V1.PAYEEID = CHECKINGACCOUNT_V1.PAYEEID) DESC"; private static final String SORT_BY_NAME = "UPPER(" + Payee.PAYEENAME + ")"; private Context mContext; private String mCurFilter; private int mSort = 0; @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); mContext = getActivity(); setSearchMenuVisible(true); // Focus on search menu if set in preferences. AppSettings settings = new AppSettings(mContext); boolean focusOnSearch = settings.getBehaviourSettings().getFilterInSelectors(); setMenuItemSearchIconified(!focusOnSearch); setEmptyText(getActivity().getResources().getString(R.string.payee_empty_list)); setHasOptionsMenu(true); int layout = android.R.layout.simple_list_item_1; // associate adapter MoneySimpleCursorAdapter adapter = new MoneySimpleCursorAdapter(getActivity(), layout, null, new String[] { Payee.PAYEENAME }, new int[] { android.R.id.text1 }, 0); // set adapter setListAdapter(adapter); registerForContextMenu(getListView()); getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE); setListShown(false); // init sort // mSort = PreferenceManager.getDefaultSharedPreferences(getActivity()) // .getInt(getString(PreferenceConstants.PREF_SORT_PAYEE), 0); mSort = settings.getPayeeSort(); // start loader getLoaderManager().initLoader(ID_LOADER_PAYEE, null, this); // set floating button visible setFloatingActionButtonVisible(true); attachFloatingActionButtonToListView(); } // Menu @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { super.onCreateOptionsMenu(menu, inflater); inflater.inflate(R.menu.menu_payee, menu); AppSettings settings = new AppSettings(mContext); int payeeSort = settings.getPayeeSort(); //Check the default sort order final MenuItem item; // PreferenceManager.getDefaultSharedPreferences(getActivity()).getInt(getString(PreferenceConstants.PREF_SORT_PAYEE), 0) switch (payeeSort) { case 0: item = menu.findItem(R.id.menu_sort_name); item.setChecked(true); break; case 1: item = menu.findItem(R.id.menu_sort_usage); item.setChecked(true); break; } } @Override public boolean onOptionsItemSelected(MenuItem item) { AppSettings settings = new AppSettings(mContext); switch (item.getItemId()) { case R.id.menu_sort_name: mSort = 0; item.setChecked(true); settings.set(R.string.pref_sort_payee, mSort); // restart search restartLoader(); return true; case R.id.menu_sort_usage: mSort = 1; item.setChecked(true); settings.set(R.string.pref_sort_payee, mSort); // restart search restartLoader(); return true; case android.R.id.home: getActivity().setResult(PayeeActivity.RESULT_CANCELED); getActivity().finish(); return true; } return super.onOptionsItemSelected(item); } // Context Menu @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) { AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; Cursor cursor = ((SimpleCursorAdapter) getListAdapter()).getCursor(); cursor.moveToPosition(info.position); menu.setHeaderTitle(cursor.getString(cursor.getColumnIndex(Payee.PAYEENAME))); menu.add(Menu.NONE, ContextMenuIds.EDIT.getId(), Menu.NONE, getString(R.string.edit)); menu.add(Menu.NONE, ContextMenuIds.DELETE.getId(), Menu.NONE, getString(R.string.delete)); menu.add(Menu.NONE, ContextMenuIds.VIEW_TRANSACTIONS.getId(), Menu.NONE, getString(R.string.view_transactions)); } @Override public boolean onContextItemSelected(android.view.MenuItem item) { AdapterView.AdapterContextMenuInfo info = null; if (item.getMenuInfo() instanceof AdapterView.AdapterContextMenuInfo) { info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo(); } else { return false; } // if (item.getMenuInfo() instanceof ExpandableListView.ExpandableListContextMenuInfo) { // info = item.getMenuInfo(); // } Cursor cursor = ((SimpleCursorAdapter) getListAdapter()).getCursor(); cursor.moveToPosition(info.position); // Read values from cursor. Payee payee = new Payee(); payee.loadFromCursor(cursor); ContextMenuIds menuId = ContextMenuIds.get(item.getItemId()); if (menuId == null) return false; switch (menuId) { case EDIT: showDialogEditPayeeName(SQLTypeTransaction.UPDATE, payee.getId(), payee.getName()); break; case DELETE: PayeeService service = new PayeeService(getActivity()); if (!service.isPayeeUsed(payee.getId())) { showDialogDeletePayee(payee.getId()); } else { new AlertDialogWrapper(getActivity()).setTitle(R.string.attention) .setIcon(new UIHelper(getActivity()).getIcon(GoogleMaterial.Icon.gmd_warning)) .setMessage(R.string.payee_can_not_deleted).setPositiveButton(android.R.string.ok) .onPositive(new MaterialDialog.SingleButtonCallback() { @Override public void onClick(@NonNull MaterialDialog dialog, @NonNull DialogAction which) { dialog.dismiss(); } }).create().show(); } break; case VIEW_TRANSACTIONS: SearchParameters parameters = new SearchParameters(); parameters.payeeId = payee.getId(); parameters.payeeName = payee.getName(); Intent intent = IntentFactory.getSearchIntent(getActivity(), parameters); startActivity(intent); } return false; } // Loader @Override public Loader<Cursor> onCreateLoader(int id, Bundle args) { switch (id) { case ID_LOADER_PAYEE: String whereClause = null; String selectionArgs[] = null; if (!TextUtils.isEmpty(mCurFilter)) { whereClause = Payee.PAYEENAME + " LIKE ?"; // + mCurFilter + "%'"; selectionArgs = new String[] { mCurFilter + '%' }; } PayeeRepository repo = new PayeeRepository(getActivity()); Select query = new Select(repo.getAllColumns()).where(whereClause, selectionArgs) .orderBy(mSort == 1 ? SORT_BY_USAGE : SORT_BY_NAME); return new MmxCursorLoader(getActivity(), repo.getUri(), query); } return null; } @Override public void onLoaderReset(Loader<Cursor> loader) { switch (loader.getId()) { case ID_LOADER_PAYEE: MoneySimpleCursorAdapter adapter = (MoneySimpleCursorAdapter) getListAdapter(); // adapter.swapCursor(null); adapter.changeCursor(null); } } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor data) { if (data == null) return; switch (loader.getId()) { case ID_LOADER_PAYEE: MoneySimpleCursorAdapter adapter = (MoneySimpleCursorAdapter) getListAdapter(); String highlightFilter = mCurFilter != null ? mCurFilter.replace("%", "") : ""; adapter.setHighlightFilter(highlightFilter); // adapter.swapCursor(data); adapter.changeCursor(data); if (isResumed()) { setListShown(true); if (data.getCount() <= 0 && getFloatingActionButton() != null) { getFloatingActionButton().show(true); } } else { setListShownNoAnimation(true); } } } @Override public boolean onQueryTextChange(String newText) { // Called when the action bar search text has changed. Update // the search filter, and restart the loader to do a new query // with this filter. mCurFilter = !TextUtils.isEmpty(newText) ? newText : null; restartLoader(); return true; } @Override protected void setResult() { if (Intent.ACTION_PICK.equals(mAction)) { // Cursor that is already in the desired position, because positioned in the event onListItemClick Cursor cursor = ((SimpleCursorAdapter) getListAdapter()).getCursor(); int payeeId = cursor.getInt(cursor.getColumnIndex(Payee.PAYEEID)); String payeeName = cursor.getString(cursor.getColumnIndex(Payee.PAYEENAME)); sendResultToActivity(payeeId, payeeName); return; } getActivity().setResult(PayeeActivity.RESULT_CANCELED); } private void sendResultToActivity(int payeeId, String payeeName) { Intent result = new Intent(); result.putExtra(PayeeActivity.INTENT_RESULT_PAYEEID, payeeId); result.putExtra(PayeeActivity.INTENT_RESULT_PAYEENAME, payeeName); getActivity().setResult(Activity.RESULT_OK, result); getActivity().finish(); } private void showDialogDeletePayee(final int payeeId) { new AlertDialogWrapper(getContext()).setTitle(R.string.delete_payee) .setIcon(new IconicsDrawable(getActivity()).icon(GoogleMaterial.Icon.gmd_warning)) .setMessage(R.string.confirmDelete) .setPositiveButton(android.R.string.ok, new MaterialDialog.SingleButtonCallback() { @Override public void onClick(@NonNull MaterialDialog dialog, @NonNull DialogAction which) { PayeeRepository repo = new PayeeRepository(getActivity()); boolean success = repo.delete(payeeId); if (success) { Toast.makeText(getActivity(), R.string.delete_success, Toast.LENGTH_SHORT).show(); } restartLoader(); } }).setNegativeButton(android.R.string.cancel, new MaterialDialog.SingleButtonCallback() { @Override public void onClick(@NonNull MaterialDialog dialog, @NonNull DialogAction which) { dialog.cancel(); } }).create().show(); } private void showDialogEditPayeeName(final SQLTypeTransaction type, final int payeeId, final String payeeName) { View viewDialog = LayoutInflater.from(getActivity()).inflate(R.layout.dialog_new_edit_payee, null); final EditText edtPayeeName = (EditText) viewDialog.findViewById(R.id.editTextPayeeName); edtPayeeName.setText(payeeName); if (!TextUtils.isEmpty(payeeName)) { edtPayeeName.setSelection(payeeName.length()); } new AlertDialogWrapper(getContext()).setView(viewDialog) .setIcon(FontIconDrawable.inflate(getContext(), R.xml.ic_user)).setTitle(R.string.edit_payeeName) .setPositiveButton(android.R.string.ok, new MaterialDialog.SingleButtonCallback() { @Override public void onClick(@NonNull MaterialDialog dialog, @NonNull DialogAction which) { // take payee name from the input field. String name = edtPayeeName.getText().toString(); PayeeService service = new PayeeService(mContext); // check if action in update or insert switch (type) { case INSERT: Payee payee = service.createNew(name); if (payee != null) { // Created a new payee. But only if picking a payee for another activity. if (mAction.equalsIgnoreCase(Intent.ACTION_PICK)) { // Select it and close. sendResultToActivity(payee.getId(), name); return; } } else { // error inserting. Toast.makeText(mContext, R.string.db_insert_failed, Toast.LENGTH_SHORT).show(); } break; case UPDATE: int updateResult = service.update(payeeId, name); if (updateResult <= 0) { Toast.makeText(mContext, R.string.db_update_failed, Toast.LENGTH_SHORT).show(); } break; case DELETE: break; default: break; } // restart loader restartLoader(); } }).setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.cancel(); } }).create().show(); } @Override public String getSubTitle() { return getString(R.string.payees); } @Override public void onFloatingActionButtonClicked() { String payeeSearch = !TextUtils.isEmpty(mCurFilter) ? mCurFilter.replace("%", "") : ""; showDialogEditPayeeName(SQLTypeTransaction.INSERT, 0, payeeSearch); } @Override public void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); // On select go back to the calling activity (if there is one) if (getActivity().getCallingActivity() != null) { Cursor cursor = ((SimpleCursorAdapter) getListAdapter()).getCursor(); if (cursor != null) { if (cursor.moveToPosition(position)) { setResultAndFinish(); } } } else { // No calling activity, this is the independent Payees view. Show context menu. getActivity().openContextMenu(v); } } public void restartLoader() { getLoaderManager().restartLoader(ID_LOADER_PAYEE, null, this); } // private void showSearchActivityFor(SearchParameters parameters) { // Intent intent = new Intent(getActivity(), SearchActivity.class); // intent.putExtra(SearchActivity.EXTRA_SEARCH_PARAMETERS, parameters); // intent.setAction(Intent.ACTION_INSERT); // startActivity(intent); // } }