org.cirrus.mobi.pegel.MeasurePointFragment.java Source code

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Here is the source code for org.cirrus.mobi.pegel.MeasurePointFragment.java

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package org.cirrus.mobi.pegel;

/*   Copyright (C) 2011   Dominik Helleberg
    
This file is part of pegel-online.
    
pegel-online is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
pegel-online is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with pegel-online.  If not, see <http://www.gnu.org/licenses/>.
*/

import org.cirrus.mobi.pegel.data.PegelEntry;
import org.cirrus.mobi.pegel.data.PointStore;

import android.annotation.TargetApi;
import android.app.ListFragment;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;

@TargetApi(11)
public class MeasurePointFragment extends android.support.v4.app.ListFragment {

    private static final String PREFS_NAME = "prefs";

    private PegelEntry[] entries;

    int mCurCheckPosition = -1;

    public static MeasurePointFragment newInstance(String river) {
        MeasurePointFragment mpf = new MeasurePointFragment();
        // Supply index input as an argument.
        Bundle args = new Bundle();
        args.putString("river", river);
        mpf.setArguments(args);
        return mpf;
    }

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

        PointStore ps = ((PegelApplication) getActivity().getApplication()).getPointStore();

        String[] plain_points = null;
        try {
            entries = ps.getMeasurePoints(getActivity(), getArguments().getString("river"));
            plain_points = new String[entries.length];
            for (int i = 0; i < plain_points.length; i++) {
                plain_points[i] = entries[i].getPegelname();
            }

        } catch (Exception e) {
            //TODO: Error handling
        }
        setListAdapter(
                new ArrayAdapter<String>(getActivity(), R.layout.list_item, R.id.SequenceTextView01, plain_points));

        getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);

        //check if we have a saved preference, then we jump to detailview already
        SharedPreferences settings = getActivity().getSharedPreferences(PREFS_NAME, Context.MODE_WORLD_WRITEABLE);
        String mpoint = settings.getString("mpoint", "");
        if (mpoint.length() > 0) {
            int pos = ((ArrayAdapter<String>) getListAdapter()).getPosition(mpoint);
            //         this.select(pos);
            getListView().setItemChecked(pos, true);
            this.setSelection(pos);
        }

    }

    //listView handler
    public void onListItemClick(ListView parent, View v, int position, long id) {
        this.select(position);
    }

    private void select(int position) {
        getListView().setItemChecked(position, true);

        /** save settings */
        SharedPreferences settings = getActivity().getSharedPreferences(PREFS_NAME, Context.MODE_WORLD_WRITEABLE);
        SharedPreferences.Editor editor = settings.edit();
        editor.putString("river", getArguments().getString("river"));
        editor.putString("pnr", this.entries[position].getPegelnummer());
        editor.putString("mpoint", this.entries[position].getPegelname());
        editor.commit();

        if (position != mCurCheckPosition) {
            ((PegelFragmentsActivity) getActivity()).showDetails(this.entries[position].getPegelnummer(),
                    getArguments().getString("river"), this.entries[position].getPegelname());
            mCurCheckPosition = position;
        }

    }
}