package org.janb.shoppinglist.fragments;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.app.ListFragment;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.media.Image;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.support.annotation.NonNull;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.CursorAdapter;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.afollestad.materialdialogs.MaterialDialog;
import com.getbase.floatingactionbutton.FloatingActionButton;
import com.getbase.floatingactionbutton.FloatingActionsMenu;
import com.google.gson.Gson;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
import org.janb.shoppinglist.CONSTS;
import org.janb.shoppinglist.LOGGER;
import org.janb.shoppinglist.R;
import org.janb.shoppinglist.api.ListAPI;
import org.janb.shoppinglist.api.ResponseHelper;
import org.janb.shoppinglist.api.ResultsListener;
import org.janb.shoppinglist.api.BackPressedListener;
import org.janb.shoppinglist.model.PredictionDbAdapterItem;
import org.janb.shoppinglist.model.ShoppingListAdapter;
import org.janb.shoppinglist.model.ShoppingListItem;
import org.json.JSONArray;
import org.json.JSONException;
import java.util.ArrayList;
import java.util.List;
public class ShoppingListFragment extends ListFragment implements SwipeRefreshLayout.OnRefreshListener, ResultsListener, View.OnClickListener, BackPressedListener {
ShoppingListAdapter mAdapter;
private ListView mListView;
private List<ShoppingListItem> ShoppingListItemList = new ArrayList<>();
private SwipeRefreshLayout swipeRefreshLayout;
private ListAPI api;
private Context context;
private FloatingActionsMenu action_main;
private MaterialDialog dialog;
private Boolean isImportant = false;
private Boolean isFavorite = false;
private Boolean hideChecked = false;
private Boolean apiBusy = false;
private ShoppingListFragment ref;
private ShoppingListItem openedItem;
private EditText dialogCount;
private PredictionDbAdapterItem dbHelperItem;
private AutoCompleteTextView dialog_add_custom_what;
private AutoCompleteTextView dialog_add_custom_category;
public ShoppingListFragment() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
context = getActivity().getApplicationContext();
setHasOptionsMenu(true);
ref = this;
}
@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
((AppCompatActivity)getActivity()).getSupportActionBar().setTitle(getResources().getString(R.string.title_main));
View rootView = inflater.inflate(R.layout.fragment_list, container, false);
mListView = (ListView) rootView.findViewById(android.R.id.list);
mListView.setLongClickable(true);
mListView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> adapterView, View view, int position, long l) {
final ShoppingListItem item = ShoppingListItemList.get(position);
openedItem = item;
dialog = new MaterialDialog.Builder(getActivity())
.customView(R.layout.dialog_update_item, true)
.positiveText(getResources().getString(R.string.ok))
.negativeText(getResources().getString(R.string.cancel))
.callback(new MaterialDialog.ButtonCallback() {
@Override
public void onPositive(MaterialDialog dialog) {
String dialogCountText = ((EditText) dialog.findViewById(R.id.dialog_update_count)).getText().toString();
String dialogTitleText = ((EditText) dialog.findViewById(R.id.dialog_update_title)).getText().toString();
if (!dialogCountText.isEmpty() && (!dialogCountText.equals(openedItem.getItemCountString()) || !dialogTitleText.equals(openedItem.getItemTitle()))) {
saveItem(dialogTitleText, dialogCountText, "false");
}
if (!dialogTitleText.equals(openedItem.getItemTitle())) {
List<ShoppingListItem> delItems = new ArrayList();
delItems.add(0 , new ShoppingListItem(item.getItemTitle(), 1));
Gson gson = new Gson();
deleteMultiple(gson.toJson(delItems));
}
}
})
.show();
dialogCount = (EditText) dialog.findViewById(R.id.dialog_update_count);
Button minusCount = (Button) dialog.findViewById(R.id.dialog_update_minus);
minusCount.setOnClickListener(ref);
Button plusCount = (Button) dialog.findViewById(R.id.dialog_update_plus);
plusCount.setOnClickListener(ref);
dialogCount.setText(String.valueOf(item.getItemCount()));
TextView dialogTitle = (TextView)dialog.findViewById(R.id.dialog_update_title);
dialogTitle.setText(item.getItemTitle());
TextView fav = (TextView)dialog.findViewById(R.id.dialog_update_favorite);
fav.setOnClickListener(ref);
TextView del = (TextView)dialog.findViewById(R.id.dialog_update_delete);
del.setOnClickListener(ref);
if(getFavorites().contains(item.getItemTitle())){
isFavorite = true;
fav.setShadowLayer(15f, 0, 0, getResources().getColor(R.color.material_deep_teal_500));
}
return true;
}
});
mListView.setEmptyView(rootView.findViewById(android.R.id.empty));
swipeRefreshLayout = (SwipeRefreshLayout)rootView.findViewById(R.id.swipe_container);
swipeRefreshLayout.setOnRefreshListener(this);
mListView.setOnScrollListener(new AbsListView.OnScrollListener() {
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
}
@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
int topRowVerticalPosition =
(mListView == null || mListView.getChildCount() == 0) ?
0 : mListView.getChildAt(0).getTop();
swipeRefreshLayout.setEnabled(firstVisibleItem == 0 && topRowVerticalPosition >= 0);
}
});
FloatingActionButton action_a = (FloatingActionButton) rootView.findViewById(R.id.main_action_a);
action_a.setOnClickListener(this);
FloatingActionButton action_b = (FloatingActionButton) rootView.findViewById(R.id.main_action_b);
action_b.setOnClickListener(this);
FloatingActionButton action_c = (FloatingActionButton) rootView.findViewById(R.id.main_action_c);
action_c.setOnClickListener(this);
action_main = (FloatingActionsMenu) rootView.findViewById(R.id.main_multiple_actions);
action_main.setAlpha(0.7f);
action_a.setAlpha(0.7f);
action_b.setAlpha(0.7f);
mAdapter = new ShoppingListAdapter(getActivity(), ShoppingListItemList, hideChecked);
setListAdapter(mAdapter);
getList();
return rootView;
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
super.onCreateOptionsMenu(menu, inflater);
getActivity().getMenuInflater().inflate(R.menu.menu_main, menu);
}
private void saveItem(String itemTitle, String itemCount, String itemChecked) {
setRefreshing();
api = new ListAPI(context);
api.setOnResultsListener(this);
ListAPI.setFunction(ListAPI.FUNCTION_SAVEITEM);
api.execute(itemTitle, String.valueOf(itemCount), itemChecked);
}
private void saveMultiple(String jsonData) {
setRefreshing();
api = new ListAPI(context);
api.setOnResultsListener(this);
ListAPI.setFunction(ListAPI.FUNCTION_SAVE_MULTIPLE);
api.execute(jsonData);
}
private void deleteMultiple(String jsonData) {
setRefreshing();
api = new ListAPI(context);
api.setOnResultsListener(this);
ListAPI.setFunction(ListAPI.FUNCTION_DELETE_MULTIPLE);
api.execute(jsonData);
}
private void addQRcodeItem(String QRcode) {
setRefreshing();
api = new ListAPI(context);
api.setOnResultsListener(this);
ListAPI.setFunction(ListAPI.FUNCTION_ADD_QRCODE_ITEM);
api.execute(QRcode);
}
private void clearList() {
setRefreshing();
api = new ListAPI(context);
api.setOnResultsListener(this);
ListAPI.setFunction(ListAPI.FUNCTION_CLEARLIST);
api.execute();
}
private void getList() {
swipeRefreshLayout.post(new Runnable() {
@Override
public void run() {
swipeRefreshLayout.setRefreshing(true);
}
});
api = new ListAPI(getActivity().getApplicationContext());
api.setOnResultsListener(this);
ListAPI.setFunction(ListAPI.FUNCTION_GETLIST);
api.execute();
apiBusy = true;
}
@Override
public void onListItemClick(ListView l, View view, final int position, long id) {
super.onListItemClick(l, view, position, id);
ShoppingListItem clickedItem = ShoppingListItemList.get(position);
if (clickedItem.getItemTitle().contains("***")) {
return;
}
clickedItem.toggleChecked();
mAdapter.notifyDataSetChanged();
saveItem(clickedItem.getItemTitle(), Integer.toString(clickedItem.getItemCount()), clickedItem.isChecked() ? "true" : "false");
}
public void setEmptyText(CharSequence emptyText) {
View emptyView = mListView.getEmptyView();
if (emptyView instanceof TextView) {
((TextView) emptyView).setText(emptyText);
}
}
@Override
public void onRefresh() {
getList();
}
public void onResponse(final ResponseHelper response) {
resetRefreshing();
Log.d("API CODE", String.valueOf(response.getType()));
if (response.getType() >= 5000 && response.getType() < 6000){
onError(response);
return;
}
if (response.getType() >= 6000){
showAPIError(response.getContent());
return;
}
switch(response.getType()){
case CONSTS.API_SUCCESS_LIST:
ShoppingListItemList.clear();
ShoppingListItemList.addAll(response.getItems());
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
buildList();
}
});
apiBusy = false;
break;
case CONSTS.API_SUCCESS_LIST_EMPTY:
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
if ( ShoppingListItemList != null && mAdapter != null) {
ShoppingListItemList.clear();
mAdapter.notifyDataSetChanged();
}
setEmptyText(getResources().getString(R.string.empty_view_list));
}
});
break;
case CONSTS.API_SUCCESS_SAVE:
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(getActivity(), response.getContent(),Toast.LENGTH_SHORT).show();
if (!apiBusy)
getList();
}
});
break;
case CONSTS.API_SUCCESS_DELETE:
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(getActivity(), response.getContent(),Toast.LENGTH_SHORT).show();
if (!apiBusy)
getList();
}
});
break;
case CONSTS.API_SUCCESS_CLEAR:
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(getActivity(), response.getContent(),Toast.LENGTH_SHORT).show();
if (!apiBusy)
getList();
}
});
break;
case CONSTS.API_SUCCESS_UPDATE:
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(getActivity(), response.getContent(),Toast.LENGTH_SHORT).show();
if (!apiBusy)
getList();
}
});
break;
case CONSTS.API_SUCCESS_IMPORTANT:
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(getActivity(), response.getContent(),Toast.LENGTH_SHORT).show();
if (!apiBusy)
getList();
}
});
break;
}
}
private void showAPIError(final String content) {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(context, content, Toast.LENGTH_SHORT).show();
}
});
}
public void buildList(){
SharedPreferences prefs = context.getSharedPreferences("settings", Context.MODE_PRIVATE);
Gson gson = new Gson();
String json = gson.toJson(ShoppingListItemList);
prefs.edit().putString("cached_list", json).apply();
mAdapter.notifyDataSetChanged();
if(mAdapter.isEmpty()){
setEmptyText(getResources().getString(R.string.empty_view_list));
}
}
//Errors thrown by app and api
@Override
public void onError(ResponseHelper error) {
// if(error.getType() == CONSTS.APP_ERROR_IO) {
// getList();
// return;
// }
resetRefreshing();
ErrorFragment errFR;
Bundle args = new Bundle();
args.putString("error_code", error.getContent());
errFR = new ErrorFragment();
errFR.setArguments(args);
FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction transaction = fragmentManager.beginTransaction();
transaction.replace(R.id.fragment_container, errFR);
transaction.addToBackStack(null);
transaction.commitAllowingStateLoss();
}
private void resetRefreshing() {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
swipeRefreshLayout.setRefreshing(false);
}
});
}
private void setRefreshing() {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
swipeRefreshLayout.setRefreshing(true);
}
});
}
@Override
public void onClick(View view) {
switch(view.getId()){
case R.id.main_action_a:
final InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
action_main.collapse();
dbHelperItem = new PredictionDbAdapterItem(context);
dbHelperItem.open();
dialog = new MaterialDialog.Builder(getActivity())
.customView(R.layout.dialog_add_custom, true)
.positiveText(getResources().getString(R.string.ok))
.negativeText(getResources().getString(R.string.cancel))
.callback(new MaterialDialog.ButtonCallback() {
@Override
public void onPositive(MaterialDialog dialog) {
TextView dialog_add_custom_how_much = (TextView) dialog.findViewById(R.id.dialog_add_count);
imm.hideSoftInputFromWindow(dialog_add_custom_what.getWindowToken(), 0);
if (!dialog_add_custom_what.getText().toString().isEmpty()) {
saveItem(dialog_add_custom_what.getText().toString(), dialog_add_custom_how_much.getText().toString(), "false");
dbHelperItem.addPrediction(dialog_add_custom_what.getText().toString());
if (isFavorite) {
addToFavorites(dialog_add_custom_what.getText().toString());
isFavorite = false;
}
}
dbHelperItem.close();
}
@Override
public void onNegative(MaterialDialog dialog) {
imm.hideSoftInputFromWindow(dialog_add_custom_what.getWindowToken(), 0);
dbHelperItem.close();
}
})
.show();
PredictionAdapter adapter = new PredictionAdapter(dbHelperItem);
dialog_add_custom_what = (AutoCompleteTextView) dialog.findViewById(R.id.dialog_add_what);
dialog_add_custom_what.setAdapter(adapter);
dialog_add_custom_what.setOnItemClickListener(adapter);
dialog_add_custom_what.setFocusable(true);
dialog_add_custom_what.requestFocus();
imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
dialog.findViewById(R.id.dialog_add_favorite).setOnClickListener(this);
break;
case R.id.main_action_b:
final List<String> favorites = getFavorites();
if (favorites.isEmpty()){
Toast.makeText(context, getResources().getString(R.string.toast_no_favorites), Toast.LENGTH_SHORT).show();
return;
}
final String[] simpleArray = new String[ favorites.size() ];
favorites.toArray(simpleArray);
action_main.collapse();
dialog = new MaterialDialog.Builder(getActivity())
.items(simpleArray)
.itemsCallbackMultiChoice(null, new MaterialDialog.ListCallbackMultiChoice() {
@Override
public boolean onSelection(MaterialDialog materialDialog, Integer[] selectedItems, CharSequence[] charSequences) {
if(selectedItems.length > 0) {
List<ShoppingListItem> itemList = new ArrayList<>();
int i = 0;
for (int selectedItem : selectedItems) {
itemList.add(i++, new ShoppingListItem(favorites.get(selectedItem), 1));
}
Gson gson = new Gson();
saveMultiple(gson.toJson(itemList));
}
return true;
}
})
.positiveText(getResources().getString(R.string.ok))
.show();
break;
case R.id.main_action_c:
action_main.collapse();
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
int cameraId = prefs.getBoolean("scanQRfront", false) ? 1 : 0;
IntentIntegrator integrator = new IntentIntegrator(this);
integrator.initiateScan(cameraId);
break;
case R.id.dialog_add_favorite:
TextView favoriteAdd = (TextView)dialog.findViewById(R.id.dialog_add_favorite);
if (isFavorite){
isFavorite = false;
favoriteAdd.setShadowLayer(0, 0, 0, 0);
} else {
isFavorite = true;
favoriteAdd.setShadowLayer(15f, 0, 0, getResources().getColor(R.color.material_deep_teal_500));
}
break;
case R.id.dialog_update_favorite:
TextView favoriteUpdate = (TextView)dialog.findViewById(R.id.dialog_update_favorite);
if (isFavorite){
isFavorite = false;
favoriteUpdate.setShadowLayer(0, 0, 0, 0);
removeFromFavorites(openedItem.getItemTitle());
} else {
isFavorite = true;
favoriteUpdate.setShadowLayer(15f, 0, 0, getResources().getColor(R.color.material_deep_teal_500));
addToFavorites(openedItem.getItemTitle());
}
break;
case R.id.dialog_update_delete:
List<ShoppingListItem> delItems = new ArrayList();
delItems.add(0 , new ShoppingListItem(openedItem.getItemTitle(), 1));
Gson gson = new Gson();
deleteMultiple(gson.toJson(delItems));
dialog.dismiss();
break;
case R.id.dialog_update_minus:
if(!dialogCount.getText().toString().equals("1")) {
dialogCount = (EditText) dialog.findViewById(R.id.dialog_update_count);
dialogCount.setText(String.valueOf(Integer.valueOf(dialogCount.getText().toString()) - 1));
}
break;
case R.id.dialog_update_plus:
dialogCount = (EditText) dialog.findViewById(R.id.dialog_update_count);
dialogCount.setText(String.valueOf(Integer.valueOf(dialogCount.getText().toString())+1));
break;
}
}
private void addToFavorites(String itemTitle) {
SharedPreferences prefs = context.getSharedPreferences("settings", Context.MODE_PRIVATE);
List<String> favorites = getFavorites();
favorites.add(itemTitle);
JSONArray jsArray = new JSONArray(favorites);
prefs.edit().putString("favorites", jsArray.toString()).apply();
}
private void removeFromFavorites(String itemTitle) {
SharedPreferences prefs = context.getSharedPreferences("settings", Context.MODE_PRIVATE);
List<String> favorites = getFavorites();
favorites.remove(itemTitle);
JSONArray jsArray = new JSONArray(favorites);
prefs.edit().putString("favorites", jsArray.toString()).apply();
}
private List<String> getFavorites() {
SharedPreferences prefs = context.getSharedPreferences("settings", Context.MODE_PRIVATE);
JSONArray jsonArray;
List<String> favorites = new ArrayList<>();
try {
jsonArray = new JSONArray(prefs.getString("favorites", ""));
for (int i=0; i<jsonArray.length(); i++) {
favorites.add( jsonArray.getString(i) );
}
} catch (JSONException e) {
e.printStackTrace();
}
return favorites;
}
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
if (scanResult != null) {
Gson gson = new Gson();
try {
String QRcode = scanResult.getContents().toString();
Toast.makeText(getActivity().getApplicationContext(), QRcode, Toast.LENGTH_SHORT).show();
addQRcodeItem(QRcode);
} catch (Exception e){
Toast.makeText(getActivity().getApplicationContext(),"QR Code: Wrong data!", Toast.LENGTH_SHORT).show();
}
}
}
@Override
public void onStop(){
super.onStop();
if (api != null){
api.cancel(true);
}
}
@Override
public void onPause(){
super.onPause();
if (api != null){
api.cancel(true);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
List<ShoppingListItem> delItems = new ArrayList();
switch (item.getItemId()) {
case R.id.action_hidechecked:
hideChecked = !hideChecked;
mAdapter.setHideChecked(hideChecked);
mAdapter.notifyDataSetChanged();
return true;
case R.id.action_clearlist:
int i = 0;
for(ShoppingListItem SLitem:ShoppingListItemList){
if(SLitem.isChecked()){
delItems.add(i++ , new ShoppingListItem(SLitem.getItemTitle(), 1));
}
}
if(delItems.isEmpty()){
dialog = new MaterialDialog.Builder(getActivity())
.content(R.string.dialog_clear_confirm)
.positiveText(getResources().getString(R.string.ok))
.negativeText(getResources().getString(R.string.cancel))
.callback(new MaterialDialog.ButtonCallback() {
@Override
public void onPositive(MaterialDialog dialog) {
clearList();
}
})
.show();
} else {
Gson gson = new Gson();
deleteMultiple(gson.toJson(delItems));
}
return true;
case R.id.action_share:
Intent sendIntent = new Intent();
sendIntent.setAction(Intent.ACTION_SEND);
StringBuilder sb = new StringBuilder();
for(ShoppingListItem listItem:ShoppingListItemList){
if(listItem.isChecked()){
sb.append("[ X ]\t");
} else {
sb.append("[ ]\t");
}
sb.append(listItem.getItemTitle());
sb.append("\t\t");
sb.append(listItem.getItemCount());
sb.append("\n");
}
sendIntent.putExtra(Intent.EXTRA_TEXT, sb.toString());
sendIntent.setType("text/plain");
startActivity(sendIntent);
break;
default:
break;
}
return true;
}
@Override
public boolean onBackPressed() {
//always
if (true) {
//exit app
getActivity().finishAffinity();
//action not popBackStack
return true;
} else {
return false;
}
}
class PredictionAdapter extends CursorAdapter
implements AdapterView.OnItemClickListener {
private PredictionDbAdapterItem mDbHelper;
public PredictionAdapter(PredictionDbAdapterItem dbHelper) {
super(context, null, true);
mDbHelper = dbHelper;
}
@Override
public Cursor runQueryOnBackgroundThread(CharSequence constraint) {
if (getFilterQueryProvider() != null) {
return getFilterQueryProvider().runQuery(constraint);
}
return mDbHelper.getPrediction(
(constraint != null ? constraint.toString() : "@@@@"));
}
public void bindView(View view, Context context, Cursor cursor) {
final int itemColumnIndex = cursor.getColumnIndexOrThrow("itemTitle");
TextView predictionText = (TextView) view.findViewById(R.id.text);
String prediction = cursor.getString(itemColumnIndex);
predictionText.setText(prediction);
}
public View newView(Context context, Cursor cursor, ViewGroup parent) {
final LayoutInflater inflater = LayoutInflater.from(context);
return inflater.inflate(R.layout.row_predictions, parent, false);
}
@Override
public void onItemClick(AdapterView<?> listView, View view, int position, long id) {
Cursor cursor = (Cursor) listView.getItemAtPosition(position);
String itemTitle = cursor.getString(cursor.getColumnIndexOrThrow("itemTitle"));
dialog_add_custom_what.setText(itemTitle);
dialog_add_custom_what.setSelection(itemTitle.length());
}
}
}
