org.emergent.android.weave.MiscListFragment.java Source code

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Here is the source code for org.emergent.android.weave.MiscListFragment.java

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/*
 * Copyright 2012 Patrick Woodworth
 *
 * 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.
 */

package org.emergent.android.weave;

import android.app.Activity;
import android.content.Context;
import android.content.res.Resources;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.ListFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.*;

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

/**
 * @author Patrick Woodworth
 */
public class MiscListFragment extends ListFragment implements Constants.Implementable {

    public MiscListFragment() {
    }

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

        Activity activity = getActivity();

        Resources res = getResources();

        List<LocationModel> locationModels = new ArrayList<LocationModel>();
        locationModels.add(
                new LocationModel(0, "Bookmarks", BookmarkListFragment.class, res.getString(R.string.bookmarks)));
        locationModels.add(
                new LocationModel(1, "Passwords", PasswordListFragment.class, res.getString(R.string.passwords)));

        if (activity != null) {
            ListAdapter listAdapter = new LocationModelListAdapter(activity,
                    locationModels.toArray(new LocationModel[locationModels.size()]));
            setListAdapter(listAdapter);
        }
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        Activity activity = getActivity();
        if (activity != null) {
            ListAdapter listAdapter = getListAdapter();
            LocationModel locationModel = (LocationModel) listAdapter.getItem(position);
            MainActivity frontActivity = (MainActivity) activity;
            frontActivity.setMyFragment(locationModel.getFragment(frontActivity));
        }
    }

    public static class LocationModelListAdapter extends BaseAdapter {

        private class ViewHolder {

            public TextView textView;
        }

        private LocationModel[] mLocations;
        private LayoutInflater mInflater;

        public LocationModelListAdapter(Context context, LocationModel[] locations) {
            mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            mLocations = locations;
        }

        @Override
        public int getCount() {
            if (mLocations != null) {
                return mLocations.length;
            }

            return 0;
        }

        @Override
        public Object getItem(int position) {
            if (mLocations != null && position >= 0 && position < getCount()) {
                return mLocations[position];
            }

            return null;
        }

        @Override
        public long getItemId(int position) {
            if (mLocations != null && position >= 0 && position < getCount()) {
                return mLocations[position].m_id;
            }

            return 0;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            View view = convertView;
            ViewHolder viewHolder;

            if (view == null) {
                view = mInflater.inflate(R.layout.item_location_list, parent, false);

                viewHolder = new ViewHolder();
                viewHolder.textView = (TextView) view.findViewById(R.id.list_label);

                view.setTag(viewHolder);
            } else {
                viewHolder = (ViewHolder) view.getTag();
            }

            LocationModel locationModel = mLocations[position];

            viewHolder.textView.setText(locationModel.m_address);

            return view;
        }
    }

    public static class LocationModel {

        public int m_id;
        public String m_address;
        private final Class<? extends Fragment> m_class;
        private final String m_tag;
        private final Bundle m_args;

        public LocationModel(int id, String address, Class<? extends Fragment> aClass, String tag) {
            m_id = id;
            m_address = address;
            m_class = aClass;
            m_tag = tag;
            m_args = null;
        }

        private Fragment getFragment(FragmentActivity m_activity) {
            Fragment frag = m_activity.getSupportFragmentManager().findFragmentByTag(m_tag);
            if (frag == null) {
                frag = Fragment.instantiate(m_activity, m_class.getName(), m_args);
            }
            return frag;
        }
    }
}