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