DisplayNovelTabFragment.java

package com.erakk.lnreader.UI.fragment;

import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTabHost;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.erakk.lnreader.AlternativeLanguageInfo;
import com.erakk.lnreader.Constants;
import com.erakk.lnreader.R;

import java.util.Hashtable;


public class DisplayNovelTabFragment extends Fragment {
    // TabSpec Names
    private static final String MAIN_SPEC = "Main";
    private static final String TEASER_SPEC = "Teaser";
    private static final String ORIGINAL_SPEC = "Original";
    private static final String WEB_SPEC = "Web";
    private static final String TAG = DisplayNovelTabFragment.class.toString();

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

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        View view = inflater.inflate(R.layout.fragment_display_novel_tab, container, false);

        FragmentTabHost mTabHost = (FragmentTabHost) view.findViewById(android.R.id.tabhost);
        mTabHost.setup(getActivity(), getChildFragmentManager(), R.id.content);

        String mode = getArguments().getString(Constants.EXTRA_NOVEL_LIST_MODE);

        if (mode == null) {

            Bundle mainBundle = new Bundle();
            mainBundle.putString(Constants.EXTRA_NOVEL_LIST_MODE, Constants.EXTRA_NOVEL_LIST_MODE_MAIN);
            mainBundle.putBoolean(Constants.EXTRA_ONLY_WATCHED, false);
            mainBundle.putString(Constants.EXTRA_PAGE, getArguments().getString(Constants.EXTRA_PAGE));

            mTabHost.addTab(mTabHost.newTabSpec(MAIN_SPEC).setIndicator(MAIN_SPEC),
                    DisplayLightNovelListFragment.class, mainBundle);

            Bundle teaserBundle = new Bundle();
            teaserBundle.putString(Constants.EXTRA_NOVEL_LIST_MODE, Constants.EXTRA_NOVEL_LIST_MODE_TEASER);
            mTabHost.addTab(mTabHost.newTabSpec(TEASER_SPEC).setIndicator(TEASER_SPEC),
                    DisplayLightNovelListFragment.class, teaserBundle);

            Bundle oriBundle = new Bundle();
            oriBundle.putString(Constants.EXTRA_NOVEL_LIST_MODE, Constants.EXTRA_NOVEL_LIST_MODE_ORIGINAL);
            mTabHost.addTab(mTabHost.newTabSpec(ORIGINAL_SPEC).setIndicator(ORIGINAL_SPEC),
                    DisplayLightNovelListFragment.class, oriBundle);

            Bundle webBundle = new Bundle();
            webBundle.putString(Constants.EXTRA_NOVEL_LIST_MODE, Constants.EXTRA_NOVEL_LIST_MODE_WEB);
            mTabHost.addTab(mTabHost.newTabSpec(WEB_SPEC).setIndicator(WEB_SPEC),
                    DisplayLightNovelListFragment.class, webBundle);

        } else {
            Hashtable<String, AlternativeLanguageInfo> x = AlternativeLanguageInfo.getAlternativeLanguageInfo();
            for (String key : x.keySet()) {
                if (PreferenceManager.getDefaultSharedPreferences(getActivity()).getBoolean(x.get(key).getLanguage(), true)) {
                    Bundle bundle = new Bundle();
                    bundle.putString(Constants.EXTRA_NOVEL_LANG, key);
                    mTabHost.addTab(mTabHost.newTabSpec(key).setIndicator(key),
                            DisplayLightNovelListFragment.class, bundle);
                }
            }
        }

        if (mTabHost.getChildCount() == 0) {
            TextView v = new TextView(getActivity());
            v.setText("Nothing Selected");
            return v;
        }

        return view;
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        // set menu for main/teaser/original
        inflater.inflate(R.menu.fragment_display_novel_tab, menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        Fragment currentTab = getChildFragmentManager().findFragmentById(R.id.content);
        Log.d(TAG, "Current fragment: " + currentTab.getClass().toString());
        switch (item.getItemId()) {
            case R.id.menu_manual_add:
                if (currentTab instanceof INovelListHelper)
                    ((INovelListHelper) currentTab).manualAdd();
                return true;
            case R.id.menu_download_all_info:
                if (currentTab instanceof INovelListHelper)
                    ((INovelListHelper) currentTab).downloadAllNovelInfo();
                return true;
            case R.id.menu_refresh_novel_list:
                if (currentTab instanceof INovelListHelper)
                    ((INovelListHelper) currentTab).refreshList();
                return true;
            default:
                return super.onOptionsItemSelected(item);
        }
    }
}