jeancaffou

package net.kafol.vlaki;

import java.util.ArrayList;

import net.kafol.vlaki.Stations.Station;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.Toast;

public class PreferredStation extends Activity {
    private SharedPreferences prefs;
    private SharedPreferences.Editor editor;

    private ListView lv;
    private StationListAdapter adapter;

    private Stations stations;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.preferredstations);

        prefs = PreferenceManager.getDefaultSharedPreferences(this);
        editor = prefs.edit();

        lv = (ListView) findViewById(R.id.stationlist);
        adapter = new StationListAdapter(this, R.layout.stationcheckboxitem, new ArrayList<Station>());

        lv.setAdapter(adapter);

        stations = new Stations();
        for(Station s:stations.list) adapter.add(s);

        Button checkall = (Button) findViewById(R.id.checkAll);
        checkall.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                toggleCheck(true);
            }
        });
        Button uncheckall = (Button) findViewById(R.id.uncheckAll);
        uncheckall.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                toggleCheck(false);
            }
        });
    }

    public void toggleCheck(Boolean val) {

        for(Station s : stations.list) {
            s.checked = val;
            editor.putBoolean("PF_"+s.getID(), val);
        }

        for(int i=0 ; i < lv.getChildCount() ; i++) {
            CheckBox cb = (CheckBox) lv.getChildAt(i).findViewById(R.id.cb);
            cb.setChecked(val);
        }

        editor.apply();
    }

    private class StationCBViewHolder {
        public CheckBox cb;
        public Station s;
    }

    private class StationListAdapter extends ArrayAdapter<Station> {
        private ArrayList<Station> items;
        private Context context;

        public StationListAdapter(Context context, int tvResId, ArrayList<Station> items) {
            super(context, tvResId, items);
            this.items = items;
            this.context = context;
        }

        @Override
        public View getView(int pos, View v, ViewGroup parent) {
            final StationCBViewHolder holder;
            final Station item = items.get(pos);

            if (v == null) {
                LayoutInflater vi = ((Activity)context).getLayoutInflater();
                v = vi.inflate(R.layout.stationcheckboxitem, parent, false);

                holder = new StationCBViewHolder();
                holder.cb = (CheckBox) v.findViewById(R.id.cb);
                holder.s = item;

                item.checked = prefs.getBoolean("PF_"+item.getID(),true);

                //holder.cb.setTag(holder);
                holder.cb.setTag(item);
                holder.cb.setChecked(item.checked);
                holder.cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
                    @Override
                    public void onCheckedChanged(CompoundButton v, boolean isChecked) {
                        Station s = (Station) v.getTag();
                        editor.putBoolean("PF_"+s.getID(), isChecked);
                        editor.apply();
                    }
                });

                v.setTag(holder);
            } else {
                holder = (StationCBViewHolder) v.getTag();
            }

            holder.cb.setText(item.toString());
            holder.cb.setChecked(item.checked);

            return v;
        }

    }
}