FilterWheelchairStateFragment.java

/*
 * #%L
 * Wheelmap - App
 * %%
 * Copyright (C) 2011 - 2012 Michal Harakal - Michael Kroez - Sozialhelden e.V.
 * %%
 * Wheelmap App based on the Wheelmap Service by Sozialhelden e.V.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *         http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS-IS" BASIS
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package org.wheelmap.android.fragment;

import org.wheelmap.android.adapter.CategorySelectCursorAdapter;
import org.wheelmap.android.adapter.MergeAdapter;
import org.wheelmap.android.adapter.WheelchairStateSelectAdapter;
import org.wheelmap.android.manager.SupportManager.WheelchairAttributes;
import org.wheelmap.android.model.Support;
import org.wheelmap.android.online.R;

import android.content.SharedPreferences;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.ListFragment;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;

public class FilterWheelchairStateFragment extends ListFragment implements
        LoaderCallbacks<Cursor> {

    private final static String TAG = FilterWheelchairStateFragment.class.getSimpleName();

    private static final int LOADER_ID_LIST = 0;

    private Uri mUri = Support.CategoriesContent.CONTENT_URI;

    private SharedPreferences mPrefs;

    private CategorySelectCursorAdapter mAdapterCatList;

    private MergeAdapter mAdapter;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mPrefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
        mAdapterCatList = new CategorySelectCursorAdapter(getActivity(), null,
                false);
    }

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

        WheelchairStateSelectAdapter adapterWSList = new WheelchairStateSelectAdapter(
                getActivity());

        mAdapter = new MergeAdapter();
        mAdapter.addView(createSectionTitle(inflater,
                R.string.settings_wheelchair_state));
        mAdapter.addAdapter(adapterWSList);

        return v;
    }

    private View createSectionTitle(LayoutInflater inflater, int textId) {
        LinearLayout layout = (LinearLayout) inflater.inflate(
                R.layout.item_list_sectiontitle, null);
        TextView title = (TextView) layout.findViewById(R.id.text);
        title.setText(getResources().getString(textId));
        return layout;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        getLoaderManager().initLoader(LOADER_ID_LIST, null, this);
        setListAdapter(mAdapter);
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        super.onListItemClick(l, v, position, id);

        MergeAdapter adapter = (MergeAdapter) l.getAdapter();
        Object item = l.getItemAtPosition(position);
        if (item instanceof WheelchairAttributes) {
            clickWheelStateItem((WheelchairAttributes) item, adapter);
        }
    }

    private void clickWheelStateItem(WheelchairAttributes item,
            MergeAdapter adapter) {
        boolean isSet = mPrefs.getBoolean(item.prefsKey, true);
        boolean toggleSet = !isSet;
        mPrefs.edit().putBoolean(item.prefsKey, toggleSet).commit();
        adapter.notifyDataSetChanged();
    }


    @Override
    public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {
        return new CursorLoader(getActivity(), mUri,
                Support.CategoriesContent.PROJECTION, null, null,
                Support.CategoriesContent.DEFAULT_SORT_ORDER);

    }

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

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {

    }

}