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Migrated RecentSearchFragment to Kotlin
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app/src/main/java/fr/free/nrw/commons/explore/recentsearches/RecentSearchesFragment.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,147 +1,167 @@ | ||
| package fr.free.nrw.commons.explore.recentsearches; | ||
|
|
||
| import android.content.Context; | ||
| import android.content.DialogInterface; | ||
| import android.os.Bundle; | ||
| import android.view.LayoutInflater; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
| import android.widget.ArrayAdapter; | ||
| import android.widget.Toast; | ||
| import androidx.annotation.NonNull; | ||
| import androidx.appcompat.app.AlertDialog; | ||
| import fr.free.nrw.commons.R; | ||
| import fr.free.nrw.commons.databinding.FragmentSearchHistoryBinding; | ||
| import fr.free.nrw.commons.di.CommonsDaggerSupportFragment; | ||
| import fr.free.nrw.commons.explore.SearchActivity; | ||
| import java.util.List; | ||
| import java.util.Locale; | ||
| import javax.inject.Inject; | ||
|
|
||
| package fr.free.nrw.commons.explore.recentsearches | ||
|
|
||
| import android.content.Context | ||
| import android.content.DialogInterface | ||
| import android.os.Bundle | ||
| import android.view.LayoutInflater | ||
| import android.view.View | ||
| import android.view.ViewGroup | ||
| import android.widget.ArrayAdapter | ||
| import android.widget.Toast | ||
| import androidx.appcompat.app.AlertDialog | ||
| import fr.free.nrw.commons.R | ||
| import fr.free.nrw.commons.databinding.FragmentSearchHistoryBinding | ||
| import fr.free.nrw.commons.di.CommonsDaggerSupportFragment | ||
| import fr.free.nrw.commons.explore.SearchActivity | ||
| import javax.inject.Inject | ||
|
|
||
| /** | ||
| * Displays the recent searches screen. | ||
| */ | ||
| public class RecentSearchesFragment extends CommonsDaggerSupportFragment { | ||
| class RecentSearchesFragment : CommonsDaggerSupportFragment() { | ||
|
|
||
| @Inject | ||
| RecentSearchesDao recentSearchesDao; | ||
| List<String> recentSearches; | ||
| ArrayAdapter adapter; | ||
| @set:Inject | ||
| var recentSearchesDao: RecentSearchesDao? = null | ||
| private var _binding: FragmentSearchHistoryBinding? = null | ||
| private val binding get() = _binding!! | ||
| private var recentSearches: List<String> = emptyList() | ||
| var adapter: ArrayAdapter<String>? = null | ||
|
|
||
| private FragmentSearchHistoryBinding binding; | ||
|
|
||
| @Override | ||
| public View onCreateView(LayoutInflater inflater, ViewGroup container, | ||
| Bundle savedInstanceState) { | ||
| binding = FragmentSearchHistoryBinding.inflate(inflater, container, false); | ||
| override fun onCreateView( | ||
| inflater: LayoutInflater, container: ViewGroup?, | ||
| savedInstanceState: Bundle? | ||
| ): View { | ||
| _binding = FragmentSearchHistoryBinding.inflate(inflater, container, false) | ||
|
|
||
| recentSearches = recentSearchesDao.recentSearches(10); | ||
| val recentSearches = recentSearchesDao?.recentSearches(10) ?: emptyList() | ||
|
|
||
| if (recentSearches.isEmpty()) { | ||
| binding.recentSearchesDeleteButton.setVisibility(View.GONE); | ||
| binding.recentSearchesTextView.setText(R.string.no_recent_searches); | ||
| binding.recentSearchesDeleteButton.visibility = View.GONE | ||
| binding.recentSearchesTextView.setText(R.string.no_recent_searches) | ||
| } | ||
|
|
||
| binding.recentSearchesDeleteButton.setOnClickListener { | ||
| showDeleteRecentAlertDialog(requireContext()) | ||
| } | ||
|
|
||
| binding.recentSearchesDeleteButton.setOnClickListener(v -> { | ||
| showDeleteRecentAlertDialog(requireContext()); | ||
| }); | ||
|
|
||
| adapter = new ArrayAdapter<>(requireContext(), R.layout.item_recent_searches, | ||
| recentSearches); | ||
| binding.recentSearchesList.setAdapter(adapter); | ||
| binding.recentSearchesList.setOnItemClickListener((parent, view, position, id) -> ( | ||
| (SearchActivity) getContext()).updateText(recentSearches.get(position))); | ||
| binding.recentSearchesList.setOnItemLongClickListener((parent, view, position, id) -> { | ||
| showDeleteAlertDialog(requireContext(), position); | ||
| return true; | ||
| }); | ||
| updateRecentSearches(); | ||
|
|
||
| return binding.getRoot(); | ||
| adapter = ArrayAdapter( | ||
| requireContext(), R.layout.item_recent_searches, | ||
| recentSearches | ||
| ) | ||
| binding.recentSearchesList.adapter = adapter | ||
| binding.recentSearchesList.setOnItemClickListener { _, _, position, _ -> | ||
| (context as SearchActivity).updateText( | ||
| recentSearches[position] | ||
| ) | ||
| } | ||
| binding.recentSearchesList.setOnItemLongClickListener { _, _, position, _ -> | ||
| showDeleteAlertDialog(requireContext(), position) | ||
| true | ||
| } | ||
| updateRecentSearches() | ||
|
|
||
| return binding.root | ||
| } | ||
|
|
||
| private void showDeleteRecentAlertDialog(@NonNull final Context context) { | ||
| new AlertDialog.Builder(context) | ||
| private fun showDeleteRecentAlertDialog(context: Context) { | ||
| AlertDialog.Builder(context) | ||
| .setMessage(getString(R.string.delete_recent_searches_dialog)) | ||
| .setPositiveButton(android.R.string.yes, | ||
| (dialog, which) -> setDeleteRecentPositiveButton(context, dialog)) | ||
| .setNegativeButton(android.R.string.no, null) | ||
| .setPositiveButton( | ||
| R.string.yes | ||
| ) { dialog: DialogInterface?, _ -> | ||
| if (dialog != null) { | ||
| setDeleteRecentPositiveButton( | ||
| context, | ||
| dialog | ||
| ) | ||
| } | ||
| } | ||
| .setNegativeButton(R.string.no, null) | ||
| .create() | ||
| .show(); | ||
| .show() | ||
| } | ||
|
|
||
| private void setDeleteRecentPositiveButton(@NonNull final Context context, | ||
| final DialogInterface dialog) { | ||
| recentSearchesDao.deleteAll(); | ||
| if (binding != null) { | ||
| binding.recentSearchesDeleteButton.setVisibility(View.GONE); | ||
| binding.recentSearchesTextView.setText(R.string.no_recent_searches); | ||
| Toast.makeText(getContext(), getString(R.string.search_history_deleted), | ||
| Toast.LENGTH_SHORT).show(); | ||
| recentSearches = recentSearchesDao.recentSearches(10); | ||
| adapter = new ArrayAdapter<>(context, R.layout.item_recent_searches, | ||
| recentSearches); | ||
| binding.recentSearchesList.setAdapter(adapter); | ||
| adapter.notifyDataSetChanged(); | ||
| } | ||
| dialog.dismiss(); | ||
| private fun setDeleteRecentPositiveButton( | ||
| context: Context, | ||
| dialog: DialogInterface | ||
| ) { | ||
| recentSearchesDao!!.deleteAll() | ||
| binding.recentSearchesDeleteButton.visibility = View.GONE | ||
| binding.recentSearchesTextView.setText(R.string.no_recent_searches) | ||
| Toast.makeText( | ||
| getContext(), getString(R.string.search_history_deleted), | ||
| Toast.LENGTH_SHORT | ||
| ).show() | ||
| recentSearches = recentSearchesDao!!.recentSearches(10) | ||
| adapter = ArrayAdapter( | ||
| context, R.layout.item_recent_searches, | ||
| recentSearches | ||
| ) | ||
| binding.recentSearchesList.adapter = adapter | ||
| adapter?.notifyDataSetChanged() | ||
| dialog.dismiss() | ||
| } | ||
|
|
||
| private void showDeleteAlertDialog(@NonNull final Context context, final int position) { | ||
| new AlertDialog.Builder(context) | ||
| private fun showDeleteAlertDialog(context: Context, position: Int) { | ||
| AlertDialog.Builder(context) | ||
| .setMessage(R.string.delete_search_dialog) | ||
| .setPositiveButton(getString(R.string.delete).toUpperCase(Locale.ROOT), | ||
| ((dialog, which) -> setDeletePositiveButton(context, dialog, position))) | ||
| .setPositiveButton( | ||
| getString(R.string.delete).uppercase(), | ||
| (DialogInterface.OnClickListener { dialog: DialogInterface?, _: Int -> | ||
| dialog?.let { | ||
| setDeletePositiveButton( | ||
| context, | ||
| it, | ||
| position | ||
| ) | ||
| } | ||
| }) | ||
| ) | ||
| .setNegativeButton(android.R.string.cancel, null) | ||
| .create() | ||
| .show(); | ||
| .show() | ||
| } | ||
|
|
||
| private void setDeletePositiveButton(@NonNull final Context context, | ||
| final DialogInterface dialog, final int position) { | ||
| recentSearchesDao.delete(recentSearchesDao.find(recentSearches.get(position))); | ||
| recentSearches = recentSearchesDao.recentSearches(10); | ||
| adapter = new ArrayAdapter<>(context, R.layout.item_recent_searches, | ||
| recentSearches); | ||
| if (binding != null){ | ||
| binding.recentSearchesList.setAdapter(adapter); | ||
| adapter.notifyDataSetChanged(); | ||
| } | ||
| dialog.dismiss(); | ||
| private fun setDeletePositiveButton( | ||
| context: Context, | ||
| dialog: DialogInterface, position: Int | ||
| ) { | ||
| recentSearchesDao?.delete(recentSearchesDao?.find(recentSearches[position])) | ||
| recentSearches = recentSearchesDao!!.recentSearches(10) | ||
| adapter = ArrayAdapter( | ||
| context, R.layout.item_recent_searches, | ||
| recentSearches | ||
| ) | ||
| binding.recentSearchesList.adapter = adapter | ||
| adapter?.notifyDataSetChanged() | ||
| dialog.dismiss() | ||
| } | ||
|
|
||
| /** | ||
| * This method is called on back press of activity so we are updating the list from database to | ||
| * refresh the recent searches list. | ||
| */ | ||
| @Override | ||
| public void onResume() { | ||
| updateRecentSearches(); | ||
| super.onResume(); | ||
| override fun onResume() { | ||
| updateRecentSearches() | ||
| super.onResume() | ||
| } | ||
|
|
||
| /** | ||
| * This method is called when search query is null to update Recent Searches | ||
| */ | ||
| public void updateRecentSearches() { | ||
| recentSearches = recentSearchesDao.recentSearches(10); | ||
| adapter.notifyDataSetChanged(); | ||
|
|
||
| if (!recentSearches.isEmpty()) { | ||
| if (binding!= null) { | ||
| binding.recentSearchesDeleteButton.setVisibility(View.VISIBLE); | ||
| binding.recentSearchesTextView.setText(R.string.search_recent_header); | ||
| } | ||
| fun updateRecentSearches() { | ||
| recentSearches = recentSearchesDao!!.recentSearches(10) | ||
| adapter?.notifyDataSetChanged() | ||
|
|
||
| if (recentSearches.isNotEmpty()) { | ||
| binding.recentSearchesDeleteButton.visibility = View.VISIBLE | ||
| binding.recentSearchesTextView.setText(R.string.search_recent_header) | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void onDestroy() { | ||
| super.onDestroy(); | ||
|
|
||
| if (binding != null) { | ||
| binding = null; | ||
| } | ||
| override fun onDestroy() { | ||
| super.onDestroy() | ||
| _binding = null | ||
| } | ||
| } | ||
| } |