git.gag.com Git - fw/altos/blob - altosui/AltosSiteMapPreload.java

   1 /*
   2  * Copyright © 2011 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package altosui;
  19
  20 import java.awt.*;
  21 import java.awt.event.*;
  22 import javax.swing.*;
  23 import java.io.*;
  24 import java.util.*;
  25 import java.text.*;
  26 import java.lang.Math;
  27 import java.net.URL;
  28 import java.net.URLConnection;
  29 import org.altusmetrum.altosuilib_1.*;
  30
  31 class AltosMapPos extends Box {
  32         AltosUI         owner;
  33         JLabel          label;
  34         JComboBox       hemi;
  35         JTextField      deg;
  36         JLabel          deg_label;
  37         JTextField      min;
  38         JLabel          min_label;
  39
  40         public void set_value(double new_value) {
  41                 double  d, m;
  42                 int     h;
  43
  44                 h = 0;
  45                 if (new_value < 0) {
  46                         h = 1;
  47                         new_value = -new_value;
  48                 }
  49                 d = Math.floor(new_value);
  50                 deg.setText(String.format("%3.0f", d));
  51                 m = (new_value - d) * 60.0;
  52                 min.setText(String.format("%7.4f", m));
  53                 hemi.setSelectedIndex(h);
  54         }
  55
  56         public double get_value() throws NumberFormatException {
  57                 int     h = hemi.getSelectedIndex();
  58                 String  d_t = deg.getText();
  59                 String  m_t = min.getText();
  60                 double  d, m, v;
  61                 try {
  62                         d = Double.parseDouble(d_t);
  63                 } catch (NumberFormatException ne) {
  64                         JOptionPane.showMessageDialog(owner,
  65                                                       String.format("Invalid degrees \"%s\"",
  66                                                                     d_t),
  67                                                       "Invalid number",
  68                                                       JOptionPane.ERROR_MESSAGE);
  69                         throw ne;
  70                 }
  71                 try {
  72                         if (m_t.equals(""))
  73                                 m = 0;
  74                         else
  75                                 m = Double.parseDouble(m_t);
  76                 } catch (NumberFormatException ne) {
  77                         JOptionPane.showMessageDialog(owner,
  78                                                       String.format("Invalid minutes \"%s\"",
  79                                                                     m_t),
  80                                                       "Invalid number",
  81                                                       JOptionPane.ERROR_MESSAGE);
  82                         throw ne;
  83                 }
  84                 v = d + m/60.0;
  85                 if (h == 1)
  86                         v = -v;
  87                 return v;
  88         }
  89
  90         public AltosMapPos(AltosUI in_owner,
  91                            String label_value,
  92                            String[] hemi_names,
  93                            double default_value) {
  94                 super(BoxLayout.X_AXIS);
  95                 owner = in_owner;
  96                 label = new JLabel(label_value);
  97                 hemi = new JComboBox(hemi_names);
  98                 hemi.setEditable(false);
  99                 deg = new JTextField(5);
 100                 deg.setMinimumSize(deg.getPreferredSize());
 101                 deg.setHorizontalAlignment(JTextField.RIGHT);
 102                 deg_label = new JLabel("°");
 103                 min = new JTextField(9);
 104                 min.setMinimumSize(min.getPreferredSize());
 105                 min_label = new JLabel("'");
 106                 set_value(default_value);
 107                 add(label);
 108                 add(Box.createRigidArea(new Dimension(5, 0)));
 109                 add(hemi);
 110                 add(Box.createRigidArea(new Dimension(5, 0)));
 111                 add(deg);
 112                 add(Box.createRigidArea(new Dimension(5, 0)));
 113                 add(deg_label);
 114                 add(Box.createRigidArea(new Dimension(5, 0)));
 115                 add(min);
 116                 add(Box.createRigidArea(new Dimension(5, 0)));
 117                 add(min_label);
 118         }
 119 }
 120
 121 class AltosSite {
 122         String  name;
 123         double  latitude;
 124         double  longitude;
 125
 126         public String toString() {
 127                 return name;
 128         }
 129
 130         public AltosSite(String in_name, double in_latitude, double in_longitude) {
 131                 name = in_name;
 132                 latitude = in_latitude;
 133                 longitude = in_longitude;
 134         }
 135
 136         public AltosSite(String line) throws ParseException {
 137                 String[]        elements = line.split(":");
 138
 139                 if (elements.length < 3)
 140                         throw new ParseException(String.format("Invalid site line %s", line), 0);
 141
 142                 name = elements[0];
 143
 144                 try {
 145                         latitude = Double.parseDouble(elements[1]);
 146                         longitude = Double.parseDouble(elements[2]);
 147                 } catch (NumberFormatException ne) {
 148                         throw new ParseException(String.format("Invalid site line %s", line), 0);
 149                 }
 150         }
 151 }
 152
 153 class AltosSites extends Thread {
 154         AltosSiteMapPreload     preload;
 155         URL                     url;
 156         LinkedList<AltosSite>   sites;
 157
 158         void notify_complete() {
 159                 SwingUtilities.invokeLater(new Runnable() {
 160                                 public void run() {
 161                                         preload.set_sites();
 162                                 }
 163                         });
 164         }
 165
 166         void add(AltosSite site) {
 167                 sites.add(site);
 168         }
 169
 170         void add(String line) {
 171                 try {
 172                         add(new AltosSite(line));
 173                 } catch (ParseException pe) {
 174                 }
 175         }
 176
 177         public void run() {
 178                 try {
 179                         URLConnection uc = url.openConnection();
 180                         //int length = uc.getContentLength();
 181
 182                         InputStreamReader in_stream = new InputStreamReader(uc.getInputStream(), Altos.unicode_set);
 183                         BufferedReader in = new BufferedReader(in_stream);
 184
 185                         for (;;) {
 186                                 String line = in.readLine();
 187                                 if (line == null)
 188                                         break;
 189                                 add(line);
 190                         }
 191                 } catch (IOException e) {
 192                 } finally {
 193                         notify_complete();
 194                 }
 195         }
 196
 197         public AltosSites(AltosSiteMapPreload in_preload) {
 198                 sites = new LinkedList<AltosSite>();
 199                 preload = in_preload;
 200                 try {
 201                         url = new URL(Altos.launch_sites_url);
 202                 } catch (java.net.MalformedURLException e) {
 203                         notify_complete();
 204                 }
 205                 start();
 206         }
 207 }
 208
 209 public class AltosSiteMapPreload extends AltosUIDialog implements ActionListener, ItemListener {
 210         AltosUI         owner;
 211         AltosSiteMap    map;
 212
 213         AltosMapPos     lat;
 214         AltosMapPos     lon;
 215
 216         final static int        radius = 4;
 217         final static int        width = (radius * 2 + 1);
 218         final static int        height = (radius * 2 + 1);
 219
 220         JProgressBar    pbar;
 221
 222         AltosSites      sites;
 223         JLabel          site_list_label;
 224         JComboBox       site_list;
 225
 226         JToggleButton   load_button;
 227         boolean         loading;
 228         JButton         close_button;
 229
 230         static final String[]   lat_hemi_names = { "N", "S" };
 231         static final String[]   lon_hemi_names = { "E", "W" };
 232
 233         class updatePbar implements Runnable {
 234                 int             n;
 235                 String          s;
 236
 237                 public updatePbar(int x, int y, String in_s) {
 238                         n = (x + radius) + (y + radius) * width + 1;
 239                         s = in_s;
 240                 }
 241
 242                 public void run() {
 243                         pbar.setValue(n);
 244                         pbar.setString(s);
 245                         if (n < width * height) {
 246                                 pbar.setValue(n);
 247                                 pbar.setString(s);
 248                         } else {
 249                                 pbar.setValue(0);
 250                                 pbar.setString("");
 251                                 load_button.setSelected(false);
 252                                 loading = false;
 253                         }
 254                 }
 255         }
 256
 257         class bgLoad extends Thread {
 258
 259                 AltosSiteMap    map;
 260
 261                 public bgLoad(AltosSiteMap in_map) {
 262                         map = in_map;
 263                 }
 264
 265                 public void run() {
 266                         for (int y = -map.radius; y <= map.radius; y++) {
 267                                 for (int x = -map.radius; x <= map.radius; x++) {
 268                                         String  pngfile;
 269                                         pngfile = map.initMap(new Point(x,y));
 270                                         SwingUtilities.invokeLater(new updatePbar(x, y, pngfile));
 271                                 }
 272                         }
 273                 }
 274         }
 275
 276         public void set_sites() {
 277                 int     i = 1;
 278                 for (AltosSite site : sites.sites) {
 279                         site_list.insertItemAt(site, i);
 280                         i++;
 281                 }
 282         }
 283
 284         public void itemStateChanged(ItemEvent e) {
 285                 int             state = e.getStateChange();
 286
 287                 if (state == ItemEvent.SELECTED) {
 288                         Object  o = e.getItem();
 289                         if (o instanceof AltosSite) {
 290                                 AltosSite       site = (AltosSite) o;
 291                                 lat.set_value(site.latitude);
 292                                 lon.set_value(site.longitude);
 293                         }
 294                 }
 295         }
 296
 297         public void actionPerformed(ActionEvent e) {
 298                 String  cmd = e.getActionCommand();
 299
 300                 if (cmd.equals("close"))
 301                         setVisible(false);
 302
 303                 if (cmd.equals("load")) {
 304                         if (!loading) {
 305                                 try {
 306                                         final double    latitude = lat.get_value();
 307                                         final double    longitude = lon.get_value();
 308                                         map.setBaseLocation(latitude,longitude);
 309                                         map.draw_circle(latitude,longitude);
 310                                         loading = true;
 311                                         bgLoad thread = new bgLoad(map);
 312                                         thread.start();
 313                                 } catch (NumberFormatException ne) {
 314                                         load_button.setSelected(false);
 315                                 }
 316                         }
 317                 }
 318         }
 319
 320         public AltosSiteMapPreload(AltosUI in_owner) {
 321                 owner = in_owner;
 322
 323                 Container               pane = getContentPane();
 324                 GridBagConstraints      c = new GridBagConstraints();
 325                 Insets                  i = new Insets(4,4,4,4);
 326
 327                 pane.setLayout(new GridBagLayout());
 328
 329                 map = new AltosSiteMap(4);
 330
 331                 c.fill = GridBagConstraints.BOTH;
 332                 c.anchor = GridBagConstraints.CENTER;
 333                 c.insets = i;
 334                 c.weightx = 1;
 335                 c.weighty = 1;
 336
 337                 c.gridx = 0;
 338                 c.gridy = 0;
 339                 c.gridwidth = 2;
 340                 c.anchor = GridBagConstraints.CENTER;
 341
 342                 pane.add(map, c);
 343
 344                 pbar = new JProgressBar();
 345                 pbar.setMinimum(0);
 346                 pbar.setMaximum(width * height);
 347                 pbar.setValue(0);
 348                 pbar.setString("");
 349                 pbar.setStringPainted(true);
 350
 351                 c.fill = GridBagConstraints.HORIZONTAL;
 352                 c.anchor = GridBagConstraints.CENTER;
 353                 c.insets = i;
 354                 c.weightx = 1;
 355                 c.weighty = 0;
 356
 357                 c.gridx = 0;
 358                 c.gridy = 1;
 359                 c.gridwidth = 2;
 360
 361                 pane.add(pbar, c);
 362
 363                 site_list_label = new JLabel ("Known Launch Sites:");
 364
 365                 c.fill = GridBagConstraints.NONE;
 366                 c.anchor = GridBagConstraints.CENTER;
 367                 c.insets = i;
 368                 c.weightx = 1;
 369                 c.weighty = 0;
 370
 371                 c.gridx = 0;
 372                 c.gridy = 2;
 373                 c.gridwidth = 1;
 374
 375                 pane.add(site_list_label, c);
 376
 377                 site_list = new JComboBox(new String[] { "Site List" });
 378                 site_list.addItemListener(this);
 379
 380                 sites = new AltosSites(this);
 381
 382                 c.fill = GridBagConstraints.HORIZONTAL;
 383                 c.anchor = GridBagConstraints.CENTER;
 384                 c.insets = i;
 385                 c.weightx = 1;
 386                 c.weighty = 0;
 387
 388                 c.gridx = 1;
 389                 c.gridy = 2;
 390                 c.gridwidth = 1;
 391
 392                 pane.add(site_list, c);
 393
 394                 lat = new AltosMapPos(owner,
 395                                       "Latitude:",
 396                                       lat_hemi_names,
 397                                       37.167833333);
 398                 c.fill = GridBagConstraints.NONE;
 399                 c.anchor = GridBagConstraints.CENTER;
 400                 c.insets = i;
 401                 c.weightx = 0;
 402                 c.weighty = 0;
 403
 404                 c.gridx = 0;
 405                 c.gridy = 3;
 406                 c.gridwidth = 1;
 407                 c.anchor = GridBagConstraints.CENTER;
 408
 409                 pane.add(lat, c);
 410
 411                 lon = new AltosMapPos(owner,
 412                                       "Longitude:",
 413                                       lon_hemi_names,
 414                                       -97.73975);
 415
 416                 c.fill = GridBagConstraints.NONE;
 417                 c.anchor = GridBagConstraints.CENTER;
 418                 c.insets = i;
 419                 c.weightx = 0;
 420                 c.weighty = 0;
 421
 422                 c.gridx = 1;
 423                 c.gridy = 3;
 424                 c.gridwidth = 1;
 425                 c.anchor = GridBagConstraints.CENTER;
 426
 427                 pane.add(lon, c);
 428
 429                 load_button = new JToggleButton("Load Map");
 430                 load_button.addActionListener(this);
 431                 load_button.setActionCommand("load");
 432
 433                 c.fill = GridBagConstraints.NONE;
 434                 c.anchor = GridBagConstraints.CENTER;
 435                 c.insets = i;
 436                 c.weightx = 1;
 437                 c.weighty = 0;
 438
 439                 c.gridx = 0;
 440                 c.gridy = 4;
 441                 c.gridwidth = 1;
 442                 c.anchor = GridBagConstraints.CENTER;
 443
 444                 pane.add(load_button, c);
 445
 446                 close_button = new JButton("Close");
 447                 close_button.addActionListener(this);
 448                 close_button.setActionCommand("close");
 449
 450                 c.fill = GridBagConstraints.NONE;
 451                 c.anchor = GridBagConstraints.CENTER;
 452                 c.insets = i;
 453                 c.weightx = 1;
 454                 c.weighty = 0;
 455
 456                 c.gridx = 1;
 457                 c.gridy = 4;
 458                 c.gridwidth = 1;
 459                 c.anchor = GridBagConstraints.CENTER;
 460
 461                 pane.add(close_button, c);
 462
 463                 pack();
 464                 setLocationRelativeTo(owner);
 465                 setVisible(true);
 466         }
 467 }