android/app/src/main/java/org/openlp/android2/fragments/SearchFragment.java

package org.openlp.android2.fragments;

import android.app.Fragment;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.text.Html;
import android.util.Log;
import android.util.TypedValue;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.ListAdapter;
import android.widget.SimpleAdapter;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.TextHttpResponseHandler;

import org.apache.http.Header;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.openlp.android2.R;
import org.openlp.android2.api.Api;
import org.openlp.android2.common.JsonHelpers;

import org.openlp.android2.common.OpenLPHttpClient;

import java.util.ArrayList;
import java.util.List;

/**

 */
public class SearchFragment extends Fragment {

    private final String LOG_TAG = SearchFragment.class.getName();
    private Spinner spinner;
    private static AsyncHttpClient client = new AsyncHttpClient();
    public Context context;
    protected String calledURL;
    protected OpenLPHttpClient httpClient;
    protected String updateUrl;

    public SearchFragment() {
        Log.d(LOG_TAG, "Constructor");
    }

    public static SearchFragment newInstance() {
        SearchFragment fragment = new SearchFragment();
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        context = getActivity();
        updateUrl = Api.SEARCHABLE_PLUGINS;
        httpClient = new OpenLPHttpClient(context);
        View view = inflater.inflate(R.layout.fragment_search, container, false);
        spinner = (Spinner)view.findViewById(R.id.search_spinner);
        triggerTextRequest(Api.SEARCHABLE_PLUGINS);

        // Add search listener to text field
        EditText editText = (EditText)view.findViewById(R.id.search_text);
        editText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                if (actionId == EditorInfo.IME_ACTION_SEARCH) {
                    // Now close the keyboard as finished with
                    View view = getActivity().getCurrentFocus();
                    if (view != null) {
                        InputMethodManager imm =
                                (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
                        imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
                    }
                    String text = spinner.getSelectedItem().toString();
                    String text1 = v.getText().toString();
                    Toast.makeText(context, "Search Called " + text + " " + text1, Toast.LENGTH_SHORT).show();
                    requestSearch(spinner.getSelectedItem().toString(), v.getText().toString());
                    return true;
                }
                return false;
            }
        });
        return view;
    }

    @Override
    public void onDetach() {
        super.onDetach();
    }

    public void manageResponse(String response, boolean notInError) {
        if (calledURL.equals(updateUrl)) {
            populatePluginList(response);
        } else {
            //processUpdate(response, notInError);
        }
    }

    private void populatePluginList(String response) {
        Log.i(LOG_TAG, "populatePluginList - entry");
        List<String> categories = new ArrayList<String>();

        try {
            JSONArray items = new JSONObject(response).getJSONObject("results").getJSONArray("items");
            for (int i = 0; i < items.length(); ++i) {
                JSONArray item = items.getJSONArray(i);
                categories.add(item.get(1).toString());
            }
        } catch (JSONException e) {
            Log.e(LOG_TAG, response);
            e.printStackTrace();
        }
        ArrayAdapter<String> LTRadapter = new ArrayAdapter<String>(getActivity(),
                R.layout.spinner_list_item, categories);
        LTRadapter.setDropDownViewResource(R.layout.spinner_dropdown_item);
        spinner.setAdapter(LTRadapter);
        Log.i(LOG_TAG, "populatePluginList - exit");
    }

    public void itemClicked(int position) {
        try {
            String request = JsonHelpers.createRequestJSON("id", Integer.toString(position));
            triggerTextRequest(String.format("%s%s", Api.SERVICE_SET, request));
            Log.d(LOG_TAG, String.format("Setting list data. apiBase(%s), position(%s)",
                    Api.SERVICE_SET, position));
        } catch (JsonHelpers.JSONHandlerException e) {
            e.printStackTrace();
            Toast.makeText(context, "Request Failed", Toast.LENGTH_SHORT).show();
        }
    }
    protected void triggerTextRequest(String url) {
        calledURL = url;
        Log.d(LOG_TAG, "Trigger Request for url " + url);
        String callurl = String.format("%s%s", httpClient.getAbsoluteUrl(client), url );
        client.get(callurl, null, new TextHttpResponseHandler() {
            @Override
            public void onSuccess(int statusCode, Header[] headers, String responseString) {
                // called when response HTTP status is "200 OK"
                manageResponse(responseString, true);
            }
            @Override
            public void onFailure(int statusCode, Header[] headers, String responseString, Throwable throwable) {
                // called when response HTTP status is "4XX" (eg. 401, 403, 404)
                if (statusCode == 401) {
                    Toast.makeText(context, R.string.httpreturn_unauthorised, Toast.LENGTH_LONG).show();
                } else {
                    Toast.makeText(context, R.string.unable, Toast.LENGTH_LONG).show();
                }
                manageResponse(responseString, false);
            }
        });
    }

    public void requestSearch(String plugin, String text) {
        updateUrl = Api.SEARCH_PLUGIN_FORMATTED;
        try {
            String request = JsonHelpers.createSearchJSON("data", text);
            String url = String.format(Api.SEARCH_PLUGIN_FORMATTED, plugin);
            triggerTextRequest(String.format("%s%s", url, request));
            Log.d(LOG_TAG, String.format("Search request. apiBase(%s), text(%s)", plugin, text));
        } catch (JsonHelpers.JSONHandlerException e) {
            e.printStackTrace();
            Toast.makeText(context, "Search Request Failed", Toast.LENGTH_SHORT).show();
        }
    }

}