package org.redcross.openmapkit.tagswipe;
import android.app.Activity;
import android.content.Context;
import android.content.res.Configuration;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import com.spatialdev.osm.model.OSMDataSet;
import org.redcross.openmapkit.Constraints;
import org.redcross.openmapkit.R;
import org.redcross.openmapkit.odkcollect.tag.ODKTag;
import org.redcross.openmapkit.odkcollect.tag.ODKTagItem;
import java.util.Collection;
import java.util.Set;
/**
* A simple {@link Fragment} subclass.
* Activities that contain this fragment must implement the
* {@link SelectOneTagValueFragment.OnFragmentInteractionListener} interface
* to handle interaction events.
* Use the {@link SelectOneTagValueFragment#newInstance} factory method to
* create an instance of this fragment.
*/
public class SelectOneTagValueFragment extends Fragment {
private static final String IDX = "IDX";
private TagEdit tagEdit;
private View rootView;
private OnFragmentInteractionListener mListener;
public static SelectOneTagValueFragment newInstance(int idx) {
SelectOneTagValueFragment fragment = new SelectOneTagValueFragment();
Bundle args = new Bundle();
args.putInt(IDX, idx);
fragment.setArguments(args);
return fragment;
}
private void setupWidgets() {
TextView tagKeyLabelTextView = (TextView) rootView.findViewById(R.id.tagKeyLabelTextView);
TextView tagKeyTextView = (TextView) rootView.findViewById(R.id.tagKeyTextView);
String keyLabel = tagEdit.getTagKeyLabel();
String key = tagEdit.getTagKey();
if (Constraints.singleton().tagIsRequired(key)) {
rootView.findViewById(R.id.requiredTextView).setVisibility(View.VISIBLE);
}
if (keyLabel != null) {
tagKeyLabelTextView.setText(keyLabel);
tagKeyTextView.setText(key);
} else {
tagKeyLabelTextView.setText(key);
tagKeyTextView.setText("");
}
setupRadioButtons();
}
private void setupRadioButtons() {
final RadioGroup tagValueRadioGroup = (RadioGroup)rootView.findViewById(R.id.selectOneTagValueRadioGroup);
tagEdit.setRadioGroup(tagValueRadioGroup);
final Activity activity = getActivity();
ODKTag odkTag = tagEdit.getODKTag();
if (odkTag == null) return;
/**
* Custom radio button for custom OSM tag values.
* It's got a horizontal linear layout with a ToggleableRadioButton
* and an EditText.
*/
final ToggleableRadioButton customButton = new ToggleableRadioButton(activity, tagValueRadioGroup, null, null);
customButton.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
/**
* Special EditText that is next to the customButton
*/
final AutoCompleteTextView customEditText = new AutoCompleteTextView(activity);
customEditText.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
customEditText.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
}
@Override
public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
if (charSequence.length() > 0) {
customButton.setChecked(true);
tagValueRadioGroup.clearCheck();
} else {
customButton.setChecked(false);
}
tagEdit.updateTagInOSMElement();
}
@Override
public void afterTextChanged(Editable editable) {
}
});
// Numeric Input Constraint
if (Constraints.singleton().tagIsNumeric(tagEdit.getTagKey())) {
customEditText.setRawInputType(Configuration.KEYBOARD_QWERTY);
}
customButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (customButton.isChecked()) {
customEditText.setFocusableInTouchMode(true);
customEditText.requestFocus();
final InputMethodManager inputMethodManager = (InputMethodManager) activity
.getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.showSoftInput(customEditText, InputMethodManager.SHOW_IMPLICIT);
}
}
});
/**
* Setting up buttons with prescribed choice values.
*/
String prevTagVal = tagEdit.getTagVal();
boolean prevTagValInTagItems = false;
Collection<ODKTagItem> odkTagItems = odkTag.getItems();
for (ODKTagItem item : odkTagItems) {
String label = item.getLabel();
String value = item.getValue();
if (value.equals(prevTagVal)) {
prevTagValInTagItems = true;
}
ToggleableRadioButton button = new ToggleableRadioButton(activity, tagValueRadioGroup, customButton, customEditText);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
tagEdit.updateTagInOSMElement();
}
});
button.setTextSize(18);
TextView textView = new TextView(activity);
textView.setPadding(66, 0, 0, 25);
textView.setOnClickListener(new TextViewOnClickListener(button));
if (label != null) {
button.setText(label);
textView.setText(value);
} else {
button.setText(value);
textView.setText("");
}
tagValueRadioGroup.addView(button);
if (prevTagVal != null && value.equals(prevTagVal)) {
button.toggleOn();
}
int id = button.getId();
odkTag.putButtonIdToTagItemHash(id, item);
tagValueRadioGroup.addView(textView);
}
if (prevTagVal != null && !prevTagValInTagItems) {
customEditText.setText(prevTagVal);
}
/**
* Adding customButton and customEditText to a horizontal linear layout
* and puts that as the last item in the tag value radio group.
*/
if (Constraints.singleton().tagAllowsCustomValue(tagEdit.getTagKey())) {
// Only setup this more expensive model for AutoComplete when we know we need it.
setupAutoComplete(customEditText);
LinearLayout customLinearLayout = new LinearLayout(activity);
customLinearLayout.setOrientation(LinearLayout.HORIZONTAL);
customLinearLayout.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
customLinearLayout.setDescendantFocusability(ViewGroup.FOCUS_BEFORE_DESCENDANTS);
customLinearLayout.setFocusableInTouchMode(true);
customLinearLayout.addView(customButton);
customLinearLayout.addView(customEditText);
tagValueRadioGroup.addView(customLinearLayout);
}
}
/**
* Allows us to pass a RadioButton as a parameter to onClick
* * *
*/
private class TextViewOnClickListener implements View.OnClickListener {
RadioButton radioButton;
public TextViewOnClickListener(RadioButton rb) {
radioButton = rb;
}
@Override
public void onClick(View v) {
radioButton.toggle();
}
}
public SelectOneTagValueFragment() {
// Required empty public constructor
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
int idx = getArguments().getInt(IDX);
tagEdit = TagEdit.getTag(idx);
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.fragment_select_one_tag_value, container, false);
setupWidgets();
return rootView;
}
// TODO: Rename method, update argument and hook method into UI event
public void onButtonPressed(Uri uri) {
if (mListener != null) {
mListener.onFragmentInteraction(uri);
}
}
@Override
public void onDetach() {
super.onDetach();
mListener = null;
}
private void setupAutoComplete(AutoCompleteTextView autoCompleteTextView) {
Set<String> tagValues = OSMDataSet.tagValues();
String[] tagValuesArr = tagValues.toArray(new String[tagValues.size()]);
ArrayAdapter<String> adapter = new ArrayAdapter<>(this.getActivity(),
android.R.layout.simple_dropdown_item_1line, tagValuesArr);
autoCompleteTextView.setAdapter(adapter);
autoCompleteTextView.setThreshold(1);
}
/**
* This interface must be implemented by activities that contain this
* fragment to allow an interaction in this fragment to be communicated
* to the activity and potentially other fragments contained in that
* activity.
* <p/>
* See the Android Training lesson <a href=
* "http://developer.android.com/training/basics/fragments/communicating.html"
* >Communicating with Other Fragments</a> for more information.
*/
public interface OnFragmentInteractionListener {
// TODO: Update argument type and name
public void onFragmentInteraction(Uri uri);
}
/**
* Allows the user to toggle off a previously checked radio button.
* * * *
* http://stackoverflow.com/questions/15836789/android-radio-button-uncheck
* https://github.com/AmericanRedCross/OpenMapKit/issues/9
* * * *
*/
public class ToggleableRadioButton extends RadioButton {
private RadioGroup radioGroup;
private RadioButton customButton;
private EditText customEditText;
public ToggleableRadioButton(Context context, RadioGroup radioGroup, RadioButton customButton, EditText customEditText) {
super(context);
this.radioGroup = radioGroup;
this.customButton = customButton;
this.customEditText = customEditText;
}
@Override
public void toggle() {
if(isChecked()) {
radioGroup.clearCheck();
if(!(getParent() instanceof RadioGroup)) {
setChecked(false);
}
} else {
setChecked(true);
// if custom button
if(!(getParent() instanceof RadioGroup)) {
radioGroup.clearCheck();
}
// not custom button
else if (customButton != null){
customButton.setChecked(false);
if (customEditText != null) {
customEditText.clearFocus();
}
}
}
}
public void toggleOn() {
setChecked(true);
// if custom button
if(!(getParent() instanceof RadioGroup)) {
radioGroup.clearCheck();
}
// not custom button
else if (customButton != null){
customButton.setChecked(false);
if (customEditText != null) {
customEditText.clearFocus();
}
}
}
}
}