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.image.*;
  22 import java.awt.event.*;
  23 import javax.swing.*;
  24 import javax.swing.event.MouseInputAdapter;
  25 import javax.imageio.ImageIO;
  26 import javax.swing.table.*;
  27 import java.io.*;
  28 import java.util.*;
  29 import java.text.*;
  30 import java.util.prefs.*;
  31 import java.lang.Math;
  32 import java.awt.geom.Point2D;
  33 import java.awt.geom.Line2D;
  34 import java.net.URL;
  35 import java.net.URLConnection;
  36
  37 class AltosMapPos extends Box {
  38         AltosUI         owner;
  39         JLabel          label;
  40         JComboBox       hemi;
  41         JTextField      deg;
  42         JLabel          deg_label;
  43         JTextField      min;
  44         JLabel          min_label;
  45
  46         public void set_value(double new_value) {
  47                 double  d, m;
  48                 int     h;
  49
  50                 h = 0;
  51                 if (new_value < 0) {
  52                         h = 1;
  53                         new_value = -new_value;
  54                 }
  55                 d = Math.floor(new_value);
  56                 deg.setText(String.format("%3.0f", d));
  57                 m = (new_value - d) * 60.0;
  58                 min.setText(String.format("%7.4f", m));
  59                 hemi.setSelectedIndex(h);
  60         }
  61
  62         public double get_value() throws NumberFormatException {
  63                 int     h = hemi.getSelectedIndex();
  64                 String  d_t = deg.getText();
  65                 String  m_t = min.getText();
  66                 double  d, m, v;
  67                 try {
  68                         d = Double.parseDouble(d_t);
  69                 } catch (NumberFormatException ne) {
  70                         JOptionPane.showMessageDialog(owner,
  71                                                       String.format("Invalid degrees \"%s\"",
  72                                                                     d_t),
  73                                                       "Invalid number",
  74                                                       JOptionPane.ERROR_MESSAGE);
  75                         throw ne;
  76                 }
  77                 try {
  78                         if (m_t.equals(""))
  79                                 m = 0;
  80                         else
  81                                 m = Double.parseDouble(m_t);
  82                 } catch (NumberFormatException ne) {
  83                         JOptionPane.showMessageDialog(owner,
  84                                                       String.format("Invalid minutes \"%s\"",
  85                                                                     m_t),
  86                                                       "Invalid number",
  87                                                       JOptionPane.ERROR_MESSAGE);
  88                         throw ne;
  89                 }
  90                 v = d + m/60.0;
  91                 if (h == 1)
  92                         v = -v;
  93                 return v;
  94         }
  95
  96         public AltosMapPos(AltosUI in_owner,
  97                            String label_value,
  98                            String[] hemi_names,
  99                            double default_value) {
 100                 super(BoxLayout.X_AXIS);
 101                 owner = in_owner;
 102                 label = new JLabel(label_value);
 103                 hemi = new JComboBox(hemi_names);
 104                 hemi.setEditable(false);
 105                 deg = new JTextField(5);
 106                 deg.setMinimumSize(deg.getPreferredSize());
 107                 deg.setHorizontalAlignment(JTextField.RIGHT);
 108                 deg_label = new JLabel("°");
 109                 min = new JTextField(9);
 110                 min.setMinimumSize(min.getPreferredSize());
 111                 min_label = new JLabel("'");
 112                 set_value(default_value);
 113                 add(label);
 114                 add(Box.createRigidArea(new Dimension(5, 0)));
 115                 add(hemi);
 116                 add(Box.createRigidArea(new Dimension(5, 0)));
 117                 add(deg);
 118                 add(Box.createRigidArea(new Dimension(5, 0)));
 119                 add(deg_label);
 120                 add(Box.createRigidArea(new Dimension(5, 0)));
 121                 add(min);
 122                 add(Box.createRigidArea(new Dimension(5, 0)));
 123                 add(min_label);
 124         }
 125 }
 126
 127 class AltosSite {
 128         String  name;
 129         double  latitude;
 130         double  longitude;
 131
 132         public String toString() {
 133                 return name;
 134         }
 135
 136         public AltosSite(String in_name, double in_latitude, double in_longitude) {
 137                 name = in_name;
 138                 latitude = in_latitude;
 139                 longitude = in_longitude;
 140         }
 141
 142         public AltosSite(String line) throws ParseException {
 143                 String[]        elements = line.split(":");
 144
 145                 if (elements.length < 3)
 146                         throw new ParseException(String.format("Invalid site line %s", line), 0);
 147
 148                 name = elements[0];
 149
 150                 try {
 151                         latitude = Double.parseDouble(elements[1]);
 152                         longitude = Double.parseDouble(elements[2]);
 153                 } catch (NumberFormatException ne) {
 154                         throw new ParseException(String.format("Invalid site line %s", line), 0);
 155                 }
 156         }
 157 }
 158
 159 class AltosSites extends Thread {
 160         AltosSiteMapPreload     preload;
 161         URL                     url;
 162         LinkedList<AltosSite>   sites;
 163
 164         void notify_complete() {
 165                 SwingUtilities.invokeLater(new Runnable() {
 166                                 public void run() {
 167                                         preload.set_sites();
 168                                 }
 169                         });
 170         }
 171
 172         void add(AltosSite site) {
 173                 sites.add(site);
 174         }
 175
 176         void add(String line) {
 177                 try {
 178                         add(new AltosSite(line));
 179                 } catch (ParseException pe) {
 180                 }
 181         }
 182
 183         public void run() {
 184                 try {
 185                         URLConnection uc = url.openConnection();
 186                         int length = uc.getContentLength();
 187
 188                         InputStreamReader in_stream = new InputStreamReader(uc.getInputStream(), Altos.unicode_set);
 189                         BufferedReader in = new BufferedReader(in_stream);
 190
 191                         for (;;) {
 192                                 String line = in.readLine();
 193                                 if (line == null)
 194                                         break;
 195                                 add(line);
 196                         }
 197                 } catch (IOException e) {
 198                 } finally {
 199                         notify_complete();
 200                 }
 201         }
 202
 203         public AltosSites(AltosSiteMapPreload in_preload) {
 204                 sites = new LinkedList<AltosSite>();
 205                 preload = in_preload;
 206                 try {
 207                         url = new URL("http://gag.com/~keithp/launch-sites.txt");
 208                 } catch (java.net.MalformedURLException e) {
 209                         notify_complete();
 210                 }
 211                 start();
 212         }
 213 }
 214
 215 public class AltosSiteMapPreload extends JDialog implements ActionListener, ItemListener {
 216         AltosUI         owner;
 217         AltosSiteMap    map;
 218
 219         AltosMapPos     lat;
 220         AltosMapPos     lon;
 221
 222         final static int        radius = 4;
 223         final static int        width = (radius * 2 + 1);
 224         final static int        height = (radius * 2 + 1);
 225
 226         JProgressBar    pbar;
 227
 228         AltosSites      sites;
 229         JLabel          site_list_label;
 230         JComboBox       site_list;
 231
 232         JToggleButton   load_button;
 233         boolean         loading;
 234         JButton         close_button;
 235
 236         static final String[]   lat_hemi_names = { "N", "S" };
 237         static final String[]   lon_hemi_names = { "E", "W" };
 238
 239         class updatePbar implements Runnable {
 240                 int             n;
 241                 String          s;
 242
 243                 public updatePbar(int x, int y, String in_s) {
 244                         n = (x + radius) + (y + radius) * width + 1;
 245                         s = in_s;
 246                 }
 247
 248                 public void run() {
 249                         pbar.setValue(n);
 250                         pbar.setString(s);
 251                         if (n < width * height) {
 252                                 pbar.setValue(n);
 253                                 pbar.setString(s);
 254                         } else {
 255                                 pbar.setValue(0);
 256                                 pbar.setString("");
 257                                 load_button.setSelected(false);
 258                                 loading = false;
 259                         }
 260                 }
 261         }
 262
 263         class bgLoad extends Thread {
 264
 265                 AltosSiteMap    map;
 266
 267                 public bgLoad(AltosSiteMap in_map) {
 268                         map = in_map;
 269                 }
 270
 271                 public void run() {
 272                         for (int y = -map.radius; y <= map.radius; y++) {
 273                                 for (int x = -map.radius; x <= map.radius; x++) {
 274                                         String  pngfile;
 275                                         pngfile = map.initMap(new Point(x,y));
 276                                         SwingUtilities.invokeLater(new updatePbar(x, y, pngfile));
 277                                 }
 278                         }
 279                 }
 280         }
 281
 282         public void set_sites() {
 283                 int     i = 1;
 284                 for (AltosSite site : sites.sites) {
 285                         site_list.insertItemAt(site, i);
 286                         i++;
 287                 }
 288         }
 289
 290         public void itemStateChanged(ItemEvent e) {
 291                 int             state = e.getStateChange();
 292
 293                 if (state == ItemEvent.SELECTED) {
 294                         Object  o = e.getItem();
 295                         if (o instanceof AltosSite) {
 296                                 AltosSite       site = (AltosSite) o;
 297                                 lat.set_value(site.latitude);
 298                                 lon.set_value(site.longitude);
 299                         }
 300                 }
 301         }
 302
 303         public void actionPerformed(ActionEvent e) {
 304                 String  cmd = e.getActionCommand();
 305
 306                 if (cmd.equals("close"))
 307                         setVisible(false);
 308
 309                 if (cmd.equals("load")) {
 310                         if (!loading) {
 311                                 try {
 312                                         final double    latitude = lat.get_value();
 313                                         final double    longitude = lon.get_value();
 314                                         map.setBaseLocation(latitude,longitude);
 315                                         map.draw_circle(latitude,longitude);
 316                                         loading = true;
 317                                         bgLoad thread = new bgLoad(map);
 318                                         thread.start();
 319                                 } catch (NumberFormatException ne) {
 320                                         load_button.setSelected(false);
 321                                 }
 322                         }
 323                 }
 324         }
 325
 326         public AltosSiteMapPreload(AltosUI in_owner) {
 327                 owner = in_owner;
 328
 329                 Container               pane = getContentPane();
 330                 GridBagConstraints      c = new GridBagConstraints();
 331                 Insets                  i = new Insets(4,4,4,4);
 332
 333                 pane.setLayout(new GridBagLayout());
 334
 335                 map = new AltosSiteMap(4);
 336
 337                 c.fill = GridBagConstraints.BOTH;
 338                 c.anchor = GridBagConstraints.CENTER;
 339                 c.insets = i;
 340                 c.weightx = 1;
 341                 c.weighty = 1;
 342
 343                 c.gridx = 0;
 344                 c.gridy = 0;
 345                 c.gridwidth = 2;
 346                 c.anchor = GridBagConstraints.CENTER;
 347
 348                 pane.add(map, c);
 349
 350                 pbar = new JProgressBar();
 351                 pbar.setMinimum(0);
 352                 pbar.setMaximum(width * height);
 353                 pbar.setValue(0);
 354                 pbar.setString("");
 355                 pbar.setStringPainted(true);
 356
 357                 c.fill = GridBagConstraints.HORIZONTAL;
 358                 c.anchor = GridBagConstraints.CENTER;
 359                 c.insets = i;
 360                 c.weightx = 1;
 361                 c.weighty = 0;
 362
 363                 c.gridx = 0;
 364                 c.gridy = 1;
 365                 c.gridwidth = 2;
 366
 367                 pane.add(pbar, c);
 368
 369                 site_list_label = new JLabel ("Known Launch Sites:");
 370
 371                 c.fill = GridBagConstraints.NONE;
 372                 c.anchor = GridBagConstraints.CENTER;
 373                 c.insets = i;
 374                 c.weightx = 1;
 375                 c.weighty = 0;
 376
 377                 c.gridx = 0;
 378                 c.gridy = 2;
 379                 c.gridwidth = 1;
 380
 381                 pane.add(site_list_label, c);
 382
 383                 site_list = new JComboBox(new String[] { "Site List" });
 384                 site_list.addItemListener(this);
 385
 386                 sites = new AltosSites(this);
 387
 388                 c.fill = GridBagConstraints.HORIZONTAL;
 389                 c.anchor = GridBagConstraints.CENTER;
 390                 c.insets = i;
 391                 c.weightx = 1;
 392                 c.weighty = 0;
 393
 394                 c.gridx = 1;
 395                 c.gridy = 2;
 396                 c.gridwidth = 1;
 397
 398                 pane.add(site_list, c);
 399
 400                 lat = new AltosMapPos(owner,
 401                                       "Latitude:",
 402                                       lat_hemi_names,
 403                                       37.167833333);
 404                 c.fill = GridBagConstraints.NONE;
 405                 c.anchor = GridBagConstraints.CENTER;
 406                 c.insets = i;
 407                 c.weightx = 0;
 408                 c.weighty = 0;
 409
 410                 c.gridx = 0;
 411                 c.gridy = 3;
 412                 c.gridwidth = 1;
 413                 c.anchor = GridBagConstraints.CENTER;
 414
 415                 pane.add(lat, c);
 416
 417                 lon = new AltosMapPos(owner,
 418                                       "Longitude:",
 419                                       lon_hemi_names,
 420                                       -97.73975);
 421
 422                 c.fill = GridBagConstraints.NONE;
 423                 c.anchor = GridBagConstraints.CENTER;
 424                 c.insets = i;
 425                 c.weightx = 0;
 426                 c.weighty = 0;
 427
 428                 c.gridx = 1;
 429                 c.gridy = 3;
 430                 c.gridwidth = 1;
 431                 c.anchor = GridBagConstraints.CENTER;
 432
 433                 pane.add(lon, c);
 434
 435                 load_button = new JToggleButton("Load Map");
 436                 load_button.addActionListener(this);
 437                 load_button.setActionCommand("load");
 438
 439                 c.fill = GridBagConstraints.NONE;
 440                 c.anchor = GridBagConstraints.CENTER;
 441                 c.insets = i;
 442                 c.weightx = 1;
 443                 c.weighty = 0;
 444
 445                 c.gridx = 0;
 446                 c.gridy = 4;
 447                 c.gridwidth = 1;
 448                 c.anchor = GridBagConstraints.CENTER;
 449
 450                 pane.add(load_button, c);
 451
 452                 close_button = new JButton("Close");
 453                 close_button.addActionListener(this);
 454                 close_button.setActionCommand("close");
 455
 456                 c.fill = GridBagConstraints.NONE;
 457                 c.anchor = GridBagConstraints.CENTER;
 458                 c.insets = i;
 459                 c.weightx = 1;
 460                 c.weighty = 0;
 461
 462                 c.gridx = 1;
 463                 c.gridy = 4;
 464                 c.gridwidth = 1;
 465                 c.anchor = GridBagConstraints.CENTER;
 466
 467                 pane.add(close_button, c);
 468
 469                 pack();
 470                 setLocationRelativeTo(owner);
 471                 setVisible(true);
 472         }
 473 }