listview and cursoradapter

package ru.gadfil.brainstorage.view.fragment;

import android.app.Activity;
import android.database.Cursor;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;
import ru.gadfil.brainstorage.R;
import ru.gadfil.brainstorage.model.adapter.JobCursorAdapter;
import ru.gadfil.brainstorage.model.data.object.Constant;
import ru.gadfil.brainstorage.model.data.table.Jobs;
import ru.gadfil.brainstorage.model.database.Provider;
import ru.gadfil.brainstorage.view.Navigate;

/**
 * Created by gadfil on 21.07.2014.
 */
public class JobListFragment extends Fragment implements LoaderManager.LoaderCallbacks<Cursor>,
        AdapterView.OnItemClickListener{
    public static final int FAVORITE_LIST = 42;
    private static final String SELECTION_ID = "selection_id";
    private ListView mListView;
    private JobCursorAdapter mAdapter;
    private Navigate mNavigate;
    private ActionBar mActionBar;
    private long mSelectionId =1;


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.list_fragment, container, false);

//        mActionBar.setDisplayHomeAsUpEnabled(false);


        mListView = (ListView) rootView.findViewById(R.id.listView);

        mAdapter = new JobCursorAdapter(getActivity(), null);
        mListView.setAdapter(mAdapter);
        mListView.setOnItemClickListener(this);

        if(getArguments()!=null){
            mSelectionId = getArguments().getLong(SELECTION_ID);
        }
        Log.d("log","mSelectionId:  "  + mSelectionId);
        getActivity().getSupportLoaderManager().initLoader((int) mSelectionId, null, this);


        return rootView;
    }


    public static JobListFragment newInstance(long selectionId) {
        Bundle arg = new Bundle();
        arg.putLong(SELECTION_ID, selectionId);
        JobListFragment fragment = new JobListFragment();
        fragment.setArguments(arg);
        return fragment;
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        setHasOptionsMenu(true);
        try {
            mNavigate = (Navigate) activity;
            setHasOptionsMenu(true);
            mActionBar = ((ActionBarActivity) getActivity()).getSupportActionBar();
            mActionBar.setSubtitle(null);
            mActionBar.setDisplayHomeAsUpEnabled(true);
        } catch (ClassCastException e) {
            throw new ClassCastException("Activity must implement Navigate.");
        }
    }


    @Override
    public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {

        switch (i) {
            case FAVORITE_LIST:
                return new CursorLoader(getActivity(), Provider.FAVORITE_JOBS_SETTING_CONTENT_URI,
                        new String[]{
                                Jobs.TABLE_NAME + '.' + Jobs._ID,
                                Jobs.TABLE_NAME + '.' + Jobs.CONTRACT,
                                Jobs.TABLE_NAME + '.' + Jobs.FULTIME,
                                Jobs.TABLE_NAME + '.' + Jobs.REMOTELY,
                                Jobs.TABLE_NAME + '.' + Jobs.PUB_DATE,

                                Jobs.TABLE_NAME + '.' + Jobs.LOCATION,
                                Jobs.TABLE_NAME + '.' + Jobs.LOGO_URL,
                                Jobs.TABLE_NAME + '.' + Jobs.LOGO_SRC,
                                Jobs.TABLE_NAME + '.' + Jobs.BONUS,
                                Jobs.TABLE_NAME + '.' + Jobs.COMPANY,
                                Jobs.TABLE_NAME + '.' + Jobs.LINK,
                                Jobs.TABLE_NAME + '.' + Jobs.JOB,
                                Jobs.TABLE_NAME + '.' + Jobs.PUB_DATE_TEXT
                        },

                        Constant.SETTING_FAVORITE_JOBS_WHERE,
                        null, null);
            default:
                return new CursorLoader(getActivity(), Provider.SELECTION_JOBS_SETTING_CONTENT_URI,
                        new String[]{
                                Jobs.TABLE_NAME + '.' + Jobs._ID,
                                Jobs.TABLE_NAME + '.' + Jobs.CONTRACT,
                                Jobs.TABLE_NAME + '.' + Jobs.FULTIME,
                                Jobs.TABLE_NAME + '.' + Jobs.REMOTELY,
                                Jobs.TABLE_NAME + '.' + Jobs.PUB_DATE,

                                Jobs.TABLE_NAME + '.' + Jobs.LOCATION,
                                Jobs.TABLE_NAME + '.' + Jobs.LOGO_URL,
                                Jobs.TABLE_NAME + '.' + Jobs.LOGO_SRC,
                                Jobs.TABLE_NAME + '.' + Jobs.BONUS,
                                Jobs.TABLE_NAME + '.' + Jobs.COMPANY,
                                Jobs.TABLE_NAME + '.' + Jobs.LINK,
                                Jobs.TABLE_NAME + '.' + Jobs.JOB,
                                Jobs.TABLE_NAME + '.' + Jobs.PUB_DATE_TEXT
                        },
                        Jobs.TABLE_NAME + '.' + Jobs.SELECTION_ID + "=? AND " + Constant.SETTING_SELECTION_JOBS_WHERE,
                        new String[]{String.valueOf(mSelectionId)}, null);


        }
//
    }

    @Override
    public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
        mAdapter.swapCursor(cursor);
    }

    @Override
    public void onLoaderReset(Loader<Cursor> cursorLoader) {
        mAdapter.swapCursor(null);
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        if( mSelectionId == FAVORITE_LIST ){
            mNavigate.loadJobDescription( id);

        }else{
            mNavigate.loadJobDescription(id);
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()){
            case android.R.id.home:
                mNavigate.loadSelectionList();
                break;


        }
        return super.onOptionsItemSelected(item);
    }
}