thoerup/traininfo/DepartureList.java

package dk.thoerup.traininfo;

import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.List;

import android.app.Dialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.widget.ListView;
import android.widget.TextView;
import dk.thoerup.traininfo.provider.DepartureProvider;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.util.MessageBox;

public class DepartureList extends ListActivity {

        public static final int DLG_PROGRESS = 1;
        public static final int DLG_DETAILS = 2;
        
        DepartureListAdapter adapter;
        DepartureProvider provider;
        List<DepartureBean> departures;
        
        int selectedItemId;
        //DepartureBean currentDeparture;
        
        ProgressDialog pgDialog;
        Dialog detailsDialog;
        DepartureFetcher fetcher;
        
        double latitude,longitude;
        
        @SuppressWarnings("unchecked")
        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.departurelist);
                
                adapter = new DepartureListAdapter(this);
                setListAdapter(adapter);
                
                Intent launchedBy = getIntent();
                
                latitude = launchedBy.getDoubleExtra("latitude", 0.0);
                longitude = launchedBy.getDoubleExtra("longitude", 0.0);
                
                String name = launchedBy.getStringExtra("name");
                ((TextView) findViewById(R.id.stationName)).setText( name );
                
                String addr = launchedBy.getStringExtra("address");
                ((TextView) findViewById(R.id.stationAddr)).setText( addr );
                
                findViewById(R.id.header).setOnClickListener( mapLauncher );
                
                NumberFormat format = NumberFormat.getNumberInstance();
                format.setMaximumFractionDigits(1);
                format.setMinimumFractionDigits(1);
                int distance = launchedBy.getIntExtra("distance", 0);
                ((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
        
                
                provider = ProviderFactory.getDepartureProvider();
                
                fetcher = new DepartureFetcher();
                if (savedInstanceState == null) {
                        showDialog(DLG_PROGRESS);
                        fetcher.execute(name);
                } else {
                        departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
                        adapter.setDepartures(departures);
                        selectedItemId = savedInstanceState.getInt("selectedItemId");   
                        boolean detailsShowing = savedInstanceState.getBoolean("detailsShowing");
                        if (detailsShowing)
                                showDialog(DLG_DETAILS);
                }
        }
        
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {
        if (pgDialog != null && pgDialog.isShowing())
                dismissDialog(DLG_PROGRESS);
        boolean detailsShowing = (detailsDialog != null && detailsDialog.isShowing()); 
        if (detailsShowing) {
                dismissDialog(DLG_DETAILS);
        }
        outState.putBoolean("detailsShowing", detailsShowing);
        outState.putInt("selectedItemId", selectedItemId);
        
        outState.putSerializable("departures", (ArrayList<DepartureBean>) departures);
    }
        
        @Override
        protected void onListItemClick(ListView l, View v, int position, long id) {
                super.onListItemClick(l, v, position, id);
        
                selectedItemId = position;              
                showDialog(DLG_DETAILS);                
        }
        

        @Override
        protected void onPrepareDialog(int id, Dialog dialog) {
                super.onPrepareDialog(id, dialog);
                
                switch (id) {
                case DLG_DETAILS:
                        DepartureBean currentDeparture = departures.get(selectedItemId);
                        ((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
                        ((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
                        ((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
                        ((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
                        ((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
                        ((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
                        ((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
                        ((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
                        detailsDialog = dialog;
                        break;
                case DLG_PROGRESS:
                        pgDialog = (ProgressDialog) dialog;
                        break;
                }
        }
        
        @Override
        protected Dialog onCreateDialog(int id) {
                switch (id) {
                case DLG_PROGRESS:
                        ProgressDialog dlg = new ProgressDialog(this);
                        dlg.setMessage("Fetch departure data");
                        dlg.setCancelable(true);
                        return dlg;
                case DLG_DETAILS:
                        //Context mContext = getApplicationContext();
                        Dialog dialog = new Dialog(this);
                        dialog.setCancelable(true);

                        dialog.setContentView(R.layout.departuredetails);
                        dialog.setTitle("Departure details");

                        View root = dialog.findViewById(R.id.layout_root);
                        root.setOnClickListener( new DialogDismisser(dialog) );
                        return dialog;                  
                default:
                        return super.onCreateDialog(id);                
                }
        }

        class DialogDismisser implements View.OnClickListener {

                Dialog dlg;
                public DialogDismisser(Dialog d) {
                        dlg = d;
                }
                
                @Override
                public void onClick(View v) {
                        if (dlg.isShowing())
                                dlg.dismiss();
                }
        }
        
        View.OnClickListener mapLauncher = new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                        Uri uri = Uri.parse("geo:" + latitude + "," + longitude);
                        startActivity( new Intent(Intent.ACTION_VIEW, uri));
                }
        };
        
        
        class DepartureFetcher extends AsyncTask<String, Void, Void> {

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        
                        adapter.setDepartures(departures);
                        pgDialog.dismiss();
                        
                        if (departures.size() == 0)
                                MessageBox.showMessage(DepartureList.this, "No departures found");
                }

                @Override
                protected Void doInBackground(String... params) {
                        provider.lookupDepartures(params[0]);
                        departures = provider.getDepartures();
                        return null;
                }
                
        }
}
1	package dk.thoerup.traininfo;
2
3	import java.text.NumberFormat;
4	import java.util.ArrayList;
5	import java.util.List;
6
7	import android.app.Dialog;
8	import android.app.ListActivity;
9	import android.app.ProgressDialog;
10	import android.content.Intent;
11	import android.net.Uri;
12	import android.os.AsyncTask;
13	import android.os.Bundle;
14	import android.view.View;
15	import android.widget.ListView;
16	import android.widget.TextView;
17	import dk.thoerup.traininfo.provider.DepartureProvider;
18	import dk.thoerup.traininfo.provider.ProviderFactory;
19	import dk.thoerup.traininfo.util.MessageBox;
20
21	public class DepartureList extends ListActivity {
22
23	public static final int DLG_PROGRESS = 1;
24	public static final int DLG_DETAILS = 2;
25
26	DepartureListAdapter adapter;
27	DepartureProvider provider;
28	List<DepartureBean> departures;
29
30	int selectedItemId;
31	//DepartureBean currentDeparture;
32
33	ProgressDialog pgDialog;
34	Dialog detailsDialog;
35	DepartureFetcher fetcher;
36
37	double latitude,longitude;
38
39	@SuppressWarnings("unchecked")
40	@Override
41	protected void onCreate(Bundle savedInstanceState) {
42	super.onCreate(savedInstanceState);
43	setContentView(R.layout.departurelist);
44
45	adapter = new DepartureListAdapter(this);
46	setListAdapter(adapter);
47
48	Intent launchedBy = getIntent();
49
50	latitude = launchedBy.getDoubleExtra("latitude", 0.0);
51	longitude = launchedBy.getDoubleExtra("longitude", 0.0);
52
53	String name = launchedBy.getStringExtra("name");
54	((TextView) findViewById(R.id.stationName)).setText( name );
55
56	String addr = launchedBy.getStringExtra("address");
57	((TextView) findViewById(R.id.stationAddr)).setText( addr );
58
59	findViewById(R.id.header).setOnClickListener( mapLauncher );
60
61	NumberFormat format = NumberFormat.getNumberInstance();
62	format.setMaximumFractionDigits(1);
63	format.setMinimumFractionDigits(1);
64	int distance = launchedBy.getIntExtra("distance", 0);
65	((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
66
67
68	provider = ProviderFactory.getDepartureProvider();
69
70	fetcher = new DepartureFetcher();
71	if (savedInstanceState == null) {
72	showDialog(DLG_PROGRESS);
73	fetcher.execute(name);
74	} else {
75	departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
76	adapter.setDepartures(departures);
77	selectedItemId = savedInstanceState.getInt("selectedItemId");
78	boolean detailsShowing = savedInstanceState.getBoolean("detailsShowing");
79	if (detailsShowing)
80	showDialog(DLG_DETAILS);
81	}
82	}
83
84	@Override
85	public void onSaveInstanceState(Bundle outState)
86	{
87	if (pgDialog != null && pgDialog.isShowing())
88	dismissDialog(DLG_PROGRESS);
89	boolean detailsShowing = (detailsDialog != null && detailsDialog.isShowing());
90	if (detailsShowing) {
91	dismissDialog(DLG_DETAILS);
92	}
93	outState.putBoolean("detailsShowing", detailsShowing);
94	outState.putInt("selectedItemId", selectedItemId);
95
96	outState.putSerializable("departures", (ArrayList<DepartureBean>) departures);
97	}
98
99	@Override
100	protected void onListItemClick(ListView l, View v, int position, long id) {
101	super.onListItemClick(l, v, position, id);
102
103	selectedItemId = position;
104	showDialog(DLG_DETAILS);
105	}
106
107
108	@Override
109	protected void onPrepareDialog(int id, Dialog dialog) {
110	super.onPrepareDialog(id, dialog);
111
112	switch (id) {
113	case DLG_DETAILS:
114	DepartureBean currentDeparture = departures.get(selectedItemId);
115	((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
116	((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
117	((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
118	((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
119	((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
120	((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
121	((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
122	((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
123	detailsDialog = dialog;
124	break;
125	case DLG_PROGRESS:
126	pgDialog = (ProgressDialog) dialog;
127	break;
128	}
129	}
130
131	@Override
132	protected Dialog onCreateDialog(int id) {
133	switch (id) {
134	case DLG_PROGRESS:
135	ProgressDialog dlg = new ProgressDialog(this);
136	dlg.setMessage("Fetch departure data");
137	dlg.setCancelable(true);
138	return dlg;
139	case DLG_DETAILS:
140	//Context mContext = getApplicationContext();
141	Dialog dialog = new Dialog(this);
142	dialog.setCancelable(true);
143
144	dialog.setContentView(R.layout.departuredetails);
145	dialog.setTitle("Departure details");
146
147	View root = dialog.findViewById(R.id.layout_root);
148	root.setOnClickListener( new DialogDismisser(dialog) );
149	return dialog;
150	default:
151	return super.onCreateDialog(id);
152	}
153	}
154
155	class DialogDismisser implements View.OnClickListener {
156
157	Dialog dlg;
158	public DialogDismisser(Dialog d) {
159	dlg = d;
160	}
161
162	@Override
163	public void onClick(View v) {
164	if (dlg.isShowing())
165	dlg.dismiss();
166	}
167	}
168
169	View.OnClickListener mapLauncher = new View.OnClickListener() {
170	@Override
171	public void onClick(View v) {
172	Uri uri = Uri.parse("geo:" + latitude + "," + longitude);
173	startActivity( new Intent(Intent.ACTION_VIEW, uri));
174	}
175	};
176
177
178	class DepartureFetcher extends AsyncTask<String, Void, Void> {
179
180	@Override
181	protected void onPostExecute(Void result) {
182	super.onPostExecute(result);
183
184	adapter.setDepartures(departures);
185	pgDialog.dismiss();
186
187	if (departures.size() == 0)
188	MessageBox.showMessage(DepartureList.this, "No departures found");
189	}
190
191	@Override
192	protected Void doInBackground(String... params) {
193	provider.lookupDepartures(params[0]);
194	departures = provider.getDepartures();
195	return null;
196	}
197
198	}
199	}