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package de.pixart.messenger.ui;
import android.content.Context;
import android.databinding.DataBindingUtil;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;
import de.pixart.messenger.R;
import de.pixart.messenger.databinding.ActivityChooseContactBinding;
import de.pixart.messenger.entities.ListItem;
import de.pixart.messenger.ui.adapter.ListItemAdapter;
public abstract class AbstractSearchableListItemActivity extends XmppActivity implements TextView.OnEditorActionListener {
protected ActivityChooseContactBinding binding;
private final List<ListItem> listItems = new ArrayList<>();
private ArrayAdapter<ListItem> mListItemsAdapter;
private EditText mSearchEditText;
private final MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
@Override
public boolean onMenuItemActionExpand(final MenuItem item) {
mSearchEditText.post(() -> {
mSearchEditText.requestFocus();
final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
});
return true;
}
@Override
public boolean onMenuItemActionCollapse(final MenuItem item) {
final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(mSearchEditText.getWindowToken(), InputMethodManager.HIDE_IMPLICIT_ONLY);
mSearchEditText.setText("");
filterContacts();
return true;
}
};
private final TextWatcher mSearchTextWatcher = new TextWatcher() {
@Override
public void afterTextChanged(final Editable editable) {
filterContacts(editable.toString());
}
@Override
public void beforeTextChanged(final CharSequence s, final int start, final int count,
final int after) {
}
@Override
public void onTextChanged(final CharSequence s, final int start, final int before,
final int count) {
}
};
public ListView getListView() {
return binding.chooseContactList;
}
public List<ListItem> getListItems() {
return listItems;
}
public EditText getSearchEditText() {
return mSearchEditText;
}
public ArrayAdapter<ListItem> getListItemAdapter() {
return mListItemsAdapter;
}
@Override
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.binding = DataBindingUtil.setContentView(this, R.layout.activity_choose_contact);
setSupportActionBar((Toolbar) binding.toolbar);
configureActionBar(getSupportActionBar());
this.binding.chooseContactList.setFastScrollEnabled(true);
mListItemsAdapter = new ListItemAdapter(this, listItems);
this.binding.chooseContactList.setAdapter(mListItemsAdapter);
}
@Override
public boolean onCreateOptionsMenu(final Menu menu) {
getMenuInflater().inflate(R.menu.choose_contact, menu);
final MenuItem menuSearchView = menu.findItem(R.id.action_search);
final View mSearchView = menuSearchView.getActionView();
mSearchEditText = mSearchView.findViewById(R.id.search_field);
mSearchEditText.addTextChangedListener(mSearchTextWatcher);
mSearchEditText.setHint(R.string.search_contacts);
mSearchEditText.setOnEditorActionListener(this);
menuSearchView.setOnActionExpandListener(mOnActionExpandListener);
return true;
}
protected void filterContacts() {
final String needle = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
if (needle != null && !needle.isEmpty()) {
filterContacts(needle);
} else {
filterContacts(null);
}
}
protected abstract void filterContacts(final String needle);
@Override
void onBackendConnected() {
filterContacts();
}
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
return false;
}
}
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