git.maemo.org Git - beifahrer/blob - src/query-window.vala

   1 /* This file is part of Beifahrer.
   2  *
   3  * Copyright (C) 2010 Philipp Zabel
   4  *
   5  * Beifahrer is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * Beifahrer is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with Beifahrer. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 using Gtk;
  20 using Hildon;
  21
  22 public class QueryWindow : StackableWindow {
  23         public const string GCONF_KEY_ARRIVAL = "/apps/beifahrer/arrival";
  24         public const string GCONF_KEY_DEPARTURE = "/apps/beifahrer/departure";
  25         public const string GCONF_KEY_USE_LOCATION = "/apps/beifahrer/use_location";
  26
  27         AdacMitfahrclub adac;
  28         TouchSelector city_from_selector;
  29         TouchSelector city_to_selector;
  30         TouchSelector umkreis_from_selector;
  31         TouchSelector umkreis_to_selector;
  32         DateButton date;
  33         TouchSelector tolerance_selector;
  34         Location.GPSDControl control;
  35         Location.GPSDevice device;
  36         GConf.Client gconf;
  37         bool use_location = true;
  38         bool want_location;
  39
  40         construct {
  41                 set_title ("Beifahrer");
  42
  43                 var menu = new AppMenu ();
  44                 var settings = new Gtk.Button.with_label (_("Settings"));
  45                 settings.show ();
  46                 menu.append (settings);
  47                 set_main_menu (menu);
  48
  49                 adac = new AdacMitfahrclub ();
  50                 gconf = GConf.Client.get_default ();
  51
  52                 city_from_selector = new TouchSelectorEntry.text ();
  53                 city_to_selector = new TouchSelectorEntry.text ();
  54                 foreach (unowned City city in adac.get_city_list ()) {
  55                         city_from_selector.append_text (city.name);
  56                         city_to_selector.append_text (city.name);
  57                 }
  58
  59                 umkreis_from_selector = new TouchSelector.text ();
  60                 umkreis_to_selector = new TouchSelector.text ();
  61                 for (int km = 0; km <= 50; km += 10) {
  62                         umkreis_from_selector.append_text ("%d km".printf (km));
  63                         umkreis_to_selector.append_text ("%d km".printf (km));
  64                 }
  65
  66                 tolerance_selector = new TouchSelector.text ();
  67                 for (int days = 0; days <= 4; days += 1)
  68                         tolerance_selector.append_text (_("+/- %d days").printf (days));
  69
  70                 var alignment = new Alignment (0.0f, 0.0f, 1.0f, 1.0f);
  71                 alignment.top_padding = MARGIN_HALF;
  72                 alignment.left_padding = MARGIN_DOUBLE;
  73                 alignment.right_padding = MARGIN_DOUBLE;
  74                 var table = new Table (5, 2, false);
  75
  76                 var button = new PickerButton (SizeType.FINGER_HEIGHT,
  77                                                ButtonArrangement.VERTICAL);
  78                 button.set_selector (city_from_selector);
  79                 button.set_title (_("Departure"));
  80                 button.set_value (_("Please select"));
  81                 button.set_alignment (0.0f, 0.0f, 0.5f, 0.5f);
  82                 table.attach (button, 0, 1, 0, 1, AttachOptions.FILL | AttachOptions.EXPAND, AttachOptions.FILL, 0, 0);
  83
  84                 try {
  85                         button.set_active (gconf.get_int ("/apps/beifahrer/departure"));
  86                 } catch (Error e) {
  87                 }
  88
  89                 button = new PickerButton (SizeType.FINGER_HEIGHT,
  90                                            ButtonArrangement.VERTICAL);
  91                 button.set_selector (umkreis_from_selector);
  92                 button.set_title (_("Vicinity"));
  93                 button.set_value ("0 km");
  94                 button.set_alignment (0.0f, 0.0f, 0.5f, 0.5f);
  95                 table.attach (button, 1, 2, 0, 1, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
  96
  97                 button = new PickerButton (SizeType.FINGER_HEIGHT,
  98                                            ButtonArrangement.VERTICAL);
  99                 button.set_selector (city_to_selector);
 100                 button.set_title (_("Arrival"));
 101                 button.set_value (_("Please select"));
 102                 button.set_alignment (0.0f, 0.0f, 0.5f, 0.5f);
 103                 table.attach (button, 0, 1, 1, 2, AttachOptions.FILL | AttachOptions.EXPAND, AttachOptions.FILL, 0, 0);
 104
 105                 try {
 106                         button.set_active (gconf.get_int ("/apps/beifahrer/arrival"));
 107                 } catch (Error e) {
 108                 }
 109
 110                 button = new PickerButton (SizeType.FINGER_HEIGHT,
 111                                            ButtonArrangement.VERTICAL);
 112                 button.set_selector (umkreis_to_selector);
 113                 button.set_title (_("Vicinity"));
 114                 button.set_value ("0 km");
 115                 button.set_alignment (0.0f, 0.0f, 0.5f, 0.5f);
 116                 table.attach (button, 1, 2, 1, 2, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
 117
 118                 var switch_button = new Gtk.Button.with_label (_("Switch departure and arrival"));
 119                 Hildon.gtk_widget_set_theme_size (switch_button, SizeType.FINGER_HEIGHT);
 120                 switch_button.set_alignment (0.0f, 0.5f);
 121                 table.attach (switch_button, 0, 1, 2, 3, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
 122
 123                 date = new DateButton (SizeType.FINGER_HEIGHT,
 124                                        ButtonArrangement.VERTICAL);
 125                 date.set_alignment (0.0f, 0.0f, 0.5f, 0.5f);
 126                 table.attach (date, 0, 1, 3, 4, AttachOptions.FILL | AttachOptions.EXPAND, AttachOptions.FILL, 0, 0);
 127
 128                 button = new PickerButton (SizeType.FINGER_HEIGHT,
 129                                            ButtonArrangement.VERTICAL);
 130                 button.set_selector (tolerance_selector);
 131                 button.set_title (_("Tolerance"));
 132                 button.set_value (_("+/- 0 days"));
 133                 button.set_alignment (0.0f, 0.0f, 0.5f, 0.5f);
 134                 table.attach (button, 1, 2, 3, 4, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
 135
 136                 var search_button = new Gtk.Button.with_label (_("Search"));
 137                 Hildon.gtk_widget_set_theme_size (search_button, SizeType.FINGER_HEIGHT);
 138                 table.attach (search_button, 0, 2, 4, 5, AttachOptions.FILL, AttachOptions.FILL, 0, 0);
 139
 140                 alignment.add (table);
 141                 add (alignment);
 142
 143                 switch_button.clicked.connect (on_switch_button_clicked);
 144                 search_button.clicked.connect (on_search_button_clicked);
 145                 settings.clicked.connect (on_settings_clicked);
 146
 147                 show_all ();
 148
 149                 control = Location.GPSDControl.get_default ();
 150                 control.preferred_method = Location.METHOD_ACWP;
 151                 control.preferred_interval = Location.GPSDControlInterval.@1S;
 152                 control.error.connect (() => { print ("control error\n"); });
 153                 control.error_verbose.connect ((e) => {
 154                         switch (e) {
 155                         case Location.GPSDControlError.USER_REJECTED_DIALOG:
 156                                 print ("\tuser rejected dialog\n");
 157                                 break;
 158                         case Location.GPSDControlError.USER_REJECTED_SETTINGS:
 159                                 print ("\tuser rejected settings\n");
 160                                 break;
 161                         case Location.GPSDControlError.BT_GPS_NOT_AVAILABLE:
 162                                 print ("\tbt gps not available\n");
 163                                 break;
 164                         case Location.GPSDControlError.METHOD_NOT_ALLOWED_IN_OFFLINE_MODE:
 165                                 print ("\tmethod not allowed in offline mode\n");
 166                                 break;
 167                         case Location.GPSDControlError.SYSTEM:
 168                                 Banner.show_information (this, null, _("No GPS available!"));
 169                                 break;
 170                         }
 171                 });
 172                 control.gpsd_running.connect (() => { print ("control running\n"); });
 173                 control.gpsd_stopped.connect (() => { print ("control stopped\n"); });
 174
 175                 try {
 176                         use_location = gconf.get_bool (GCONF_KEY_USE_LOCATION);
 177                 } catch (Error e) {
 178                 }
 179                 want_location = use_location;
 180                 if (want_location)
 181                         control.start ();
 182
 183                 device = (Location.GPSDevice) GLib.Object.@new (typeof (Location.GPSDevice), null);
 184                 device.changed.connect (on_location_changed);
 185                 device.connected.connect (() => { print ("device connected\n"); });
 186                 device.disconnected.connect (() => { print ("device disconnected\n"); });
 187
 188                 // In case the device already has a fix:
 189                 on_location_changed ();
 190         }
 191
 192         void on_location_changed () requires (device.fix != null) {
 193                 if (!want_location || device.status == Location.GPSDeviceStatus.NO_FIX)
 194                         return;
 195
 196                 if (Location.GPS_DEVICE_LATLONG_SET in (int) device.fix.fields) {
 197                         print ("fix: lat=%f, lon=%f\n", device.fix.latitude, device.fix.longitude);
 198
 199                         unowned City city = adac.find_nearest_city (device.fix.latitude, device.fix.longitude);
 200                         if (city != null) {
 201                                 int n = adac.get_city_list ().index (city);
 202                                 int n_from = city_from_selector.get_active (0);
 203                                 int n_to = city_to_selector.get_active (0);
 204
 205                                 print ("city(%d): %s (%d)\n", n, city.name, city.number);
 206
 207                                 if (n != n_from) {
 208                                         city_from_selector.set_active (0, n);
 209
 210                                         // If we are at the previous point of arrival, prepare for return trip
 211                                         if (n == n_to)
 212                                                 city_to_selector.set_active (0, n_from);
 213                                 }
 214                         }
 215
 216                         control.stop ();
 217                         want_location = false;
 218                 }
 219         }
 220
 221         void on_search_button_clicked (Gtk.Button button) {
 222                 int n;
 223
 224                 n = city_from_selector.get_active (0);
 225                 if (n == -1)
 226                         return;
 227                 string city_from = adac.get_city_list ().nth_data (n).name;
 228                 try {
 229                         if (gconf.get_int (GCONF_KEY_DEPARTURE) != n)
 230                                 gconf.set_int (GCONF_KEY_DEPARTURE, n);
 231                 } catch (Error e) {
 232                 }
 233
 234                 n = city_to_selector.get_active (0);
 235                 if (n == -1)
 236                         return;
 237                 string city_to = adac.get_city_list ().nth_data (n).name;
 238                 try {
 239                         if (gconf.get_int (GCONF_KEY_ARRIVAL) != n)
 240                                 gconf.set_int (GCONF_KEY_ARRIVAL, n);
 241                 } catch (Error e) {
 242                 }
 243
 244                 uint year, month, day;
 245                 date.get_date (out year, out month, out day);
 246                 var date = Date ();
 247                 date.set_day ((DateDay) day);
 248                 date.set_month ((DateMonth) (month + DateMonth.JANUARY));
 249                 date.set_year ((DateYear) year);
 250
 251                 int tolerance = tolerance_selector.get_active (0);
 252
 253                 var window = new LiftListWindow (adac);
 254                 window.show ();
 255                 window.find_lifts.begin (city_from, city_to, date, tolerance);
 256         }
 257
 258         // Switch departure and arrival
 259         void on_switch_button_clicked () {
 260                 int n = city_from_selector.get_active (0);
 261                 city_from_selector.set_active (0, city_to_selector.get_active (0));
 262                 city_to_selector.set_active (0, n);
 263                 n = umkreis_from_selector.get_active (0);
 264                 umkreis_from_selector.set_active (0, umkreis_to_selector.get_active (0));
 265                 umkreis_to_selector.set_active (0, n);
 266         }
 267
 268         void on_settings_clicked () {
 269                 var dialog = new SettingsDialog (this);
 270                 dialog.response.connect (on_settings_response);
 271                 dialog.show ();
 272         }
 273
 274         void on_settings_response (int response_id) {
 275                 bool old_use_location = use_location;
 276                 use_location = gconf.get_bool (GCONF_KEY_USE_LOCATION);
 277                 if (!old_use_location && use_location) {
 278                         want_location = true;
 279                         control.start ();
 280                 }
 281         }
 282 }