SearchFilesAdapter.java

package io.github.multilateralis.android_furk_app.adapter;

import android.content.Context;
import android.os.Bundle;
import android.text.Html;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import io.github.multilateralis.android_furk_app.APIClient;
import io.github.multilateralis.android_furk_app.APIUtils;
import io.github.multilateralis.android_furk_app.R;
import io.github.multilateralis.android_furk_app.SearchActivity;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.HashMap;

public class SearchFilesAdapter extends FilesAdapter {

    private int loaderPos;
    private boolean loaderEnabled;
    private String searchQuery;
    private String sortQuery;
    private final SearchActivity.SearchFragment searchFragment;
//    private DisplayImageOptions options;
//    private ImageLoader imageLoader;


    public SearchFilesAdapter(SearchActivity.SearchFragment searchFragment) {
        super(searchFragment.getActivity());
        this.loaderPos = 0;
        this.loaderEnabled = true;
        this.searchFragment = searchFragment;
        this.searchQuery = "";
        this.sortQuery = "cached";
    }

    public void Execute(Object... args)
    {
        loaderEnabled = true;
        searchQuery = (String)args[0];
        sortQuery = (String)args[1];

        searchFragment.setEmptyText("");
        searchFragment.setListShown(false);

        jArrayChain.clear();

        HashMap<String,String> params = new HashMap<String,String>();
        params.put("q", searchQuery);
        params.put("sort",sortQuery);
        APIClient.get(searchFragment.getActivity(),"plugins/metasearch", params,this);
    }

    public void saveState(Bundle savedInstanceState)
    {
        if(jArrayChain.length() > 0)
        {
            savedInstanceState.putString("search_results",jArrayChain.getJSONArray(0).toString());
            savedInstanceState.putString("search_query",searchQuery);
            savedInstanceState.putString("search_sort_query",sortQuery);
            savedInstanceState.putBoolean("search_loader_enabled",loaderEnabled);
        }
    }

    public boolean loadState(Bundle savedInstanceState)
    {
        if(savedInstanceState != null && savedInstanceState.containsKey("search_results"))
        {
            try {
                this.jArrayChain = new JSONArrayChain(new JSONArray(savedInstanceState.getString("search_results","")));
            } catch (JSONException e) {
                this.jArrayChain = new JSONArrayChain();
            }
            this.searchQuery = savedInstanceState.getString("search_query");
            this.sortQuery = savedInstanceState.getString("search_sort_query");
            this.loaderEnabled = savedInstanceState.getBoolean("search_loader_enabled");
            searchFragment.setEmptyText("");
            searchFragment.setListShown(true);
            notifyDataSetChanged();

            return true;
        }
        else
            return false;
    }

    public void processAPIResponse(JSONObject response){
        String message = "";
        try {
            String totalFound = response.getJSONObject("stats").getString("total_found");
            if(Integer.parseInt(totalFound) > 0) {
                JSONArray jArray = response.getJSONArray("files");
                if(jArray.length() < 25)
                    loaderEnabled = false;
                jArrayChain.addJSONArray(jArray);
            }
            else{
                loaderEnabled = false;
                message = "No Matches Found";
            }
        } catch (Exception e) {
            message = "Invalid server response. " + e.getMessage();
        }
        finally {
            searchFragment.setEmptyText(message);
            searchFragment.setListShown(true);
            notifyDataSetChanged();
        }
    }

    @Override
    public void processAPIError(Throwable e) {

        try
        {
        searchFragment.setEmptyText(e.getMessage());
        searchFragment.setListShown(true);
        }
        catch (IllegalStateException e1)
        {
            Log.d("furk", "fragment disposed before async api request finished");
        }
        finally {
            loaderEnabled = false;
            jArrayChain.clear();
            notifyDataSetChanged();
        }
    }


    @Override
    public int getCount() {
        int length = jArrayChain.length();
        if(loaderEnabled)
            //Add an extra listview item for the loading spinner
            return length + 1;
        else
            return length;
    }

    @Override
    public String getItem(int i) {
        return null;
    }

    @Override
    public long getItemId(int i) {
        return 0;
    }


    private void getMoreFiles()
    {
        HashMap<String,String> params = new HashMap<String,String>();
        params.put("q", searchQuery);
        params.put("sort",sortQuery);
        params.put("offset", String.valueOf(jArrayChain.length()));
        APIClient.get(searchFragment.getActivity(),"plugins/metasearch", params,this);
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent)
    {
        View rowView;
        if (position == jArrayChain.length())
        {
            LayoutInflater inflater = (LayoutInflater) context
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            rowView = inflater.inflate(R.layout.list_item_loading, parent, false);

            //Avoid calling getMoreFiles more than once
            if(loaderPos != position)
            {
                loaderPos = position;
                getMoreFiles();
            }
        }
        else
        {
            //Recycle convertView. Check for loader list item because it can't be recycled
            if(convertView == null || convertView.getId() == R.id.listViewLoader)
            {
                LayoutInflater inflater = (LayoutInflater) context
                        .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                rowView = inflater.inflate(R.layout.list_item_file, parent, false);
            }
            else
            {
                rowView = convertView;
                //rowView.setBackgroundColor(0xFFEBEBEB);
            }

            TextView title = (TextView) rowView.findViewById(R.id.listview_title);
            TextView description = (TextView) rowView.findViewById(R.id.listview_description);
            TextView descriptionAttc = (TextView) rowView.findViewById(R.id.listview_description_attachment);

            String strTitle = "Unknown";
            String strDescription = "";
            try
            {

                JSONObject jsonObj =  jArrayChain.getJSONObject(position);
                strTitle = Html.fromHtml(jsonObj.getString("name")).toString();

                strDescription = "Size: " + APIUtils.formatSize(jsonObj.getString("size"));
                if(jsonObj.has("bitrate"))
                    strDescription += "  Bitrate: " + APIUtils.formatBitRate(jsonObj.getString("bitrate"));
                description.setText(strDescription);
                String is_ready = jsonObj.getString("is_ready");
                if(is_ready.equals("0"))
                {
                    strDescription += "  Cached: ";
                    descriptionAttc.setText("No");
                    descriptionAttc.setTextColor(0xffea080e);

                }
                else
                {
                    strDescription += "  Cached: ";
                    descriptionAttc.setText("Yes");
                    descriptionAttc.setTextColor(0xff007a09);
                }



            }
            catch (JSONException e)
            {
                e.printStackTrace();
            }
            finally {
                title.setText(strTitle);
                description.setText(strDescription);
            }


            // imageView.setImageResource(R.drawable.ic_launcher);
        }

        return rowView;
    }

}