index.html.in

   1 <!doctype html>
   2 <html lang="en-US">
   3   <head>
   4     <meta name="viewport" content="width=device-width, initial-scale=1" />
   5
   6     <title>
   7       CharmBypass: doing transit equity whether they like it or not
   8     </title>
   9
  10     <style>
  11       input[type=submit] {
  12         margin-top: 1em;
  13         margin-bottom: 1em;
  14       }
  15
  16       svg {
  17         /* Set the height to 100% of the screen, which we'll keep; and the
  18          *  initial position to (0,0), which we're going to change
  19          * every time the window is resized, because the exact amount
  20          * that we have to slide the SVG to the left to get the ticket
  21          * into the center will change. */
  22         position: fixed;
  23         top: 0;
  24         left: 0;
  25         height: 100%;
  26
  27         /* Hide everything by default. We only show it once the user has
  28          * submitted the menu form */
  29         display: none;
  30       }
  31
  32       /* The blinking fade in/out animation for the ticket date and time */
  33       @keyframes blink {
  34         25% {
  35           opacity: 0.5;
  36         }
  37         50% {
  38           opacity: 0;
  39         }
  40         75% {
  41           opacity: 0.5;
  42         }
  43       }
  44
  45       #tickettime, #ticketdate {
  46         /* 300 two-second blinks is ten minutes */
  47         animation: blink 2s linear 300;
  48       }
  49
  50       /* Define, load, and specify the custom font we use for the ticket
  51        * date, time, and service name. */
  52       @font-face {
  53         font-family: "CharmBypass Regular";
  54         src:
  55           url("data:font/woff2;base64,@CBPREGULAR@") format("woff2")
  56       }
  57
  58       #servicename, #tickettime, #ticketdate, #codetext {
  59         font-family: "CharmBypass Regular", sans-serif;
  60       }
  61
  62       @font-face {
  63         font-family: "CharmBypass Bold";
  64         src:
  65           url("data:font/woff2;base64,@CBPBOLD@") format("woff2")
  66       }
  67
  68       #serviceid {
  69         font-family: "CharmBypass Bold", sans-serif;
  70         font-weight: bold;
  71       }
  72
  73       /************************/
  74       /* Scrolling animations */
  75       /************************/
  76
  77       /* Bus */
  78       @keyframes busroll {
  79         from {
  80           transform: translateX(0%);
  81         }
  82         to {
  83           transform: translateX(-100%);
  84         }
  85       }
  86
  87       #bus {
  88         animation: busroll 23s linear infinite;
  89       }
  90
  91
  92       /* Tram */
  93       @keyframes tramroll {
  94         from {
  95           transform: translateX(0%);
  96         }
  97         to {
  98           transform: translateX(100%);
  99         }
 100       }
 101
 102       #tram {
 103         animation: tramroll 17s linear infinite;
 104       }
 105
 106
 107       /* Tram */
 108       @keyframes trainroll {
 109         from {
 110           transform: translateX(0%);
 111         }
 112         to {
 113           transform: translateX(100%);
 114         }
 115       }
 116
 117       #train {
 118         animation: trainroll 11s linear infinite;
 119       }
 120
 121
 122       /* Clouds */
 123       @keyframes cloudsfloat {
 124         from {
 125           transform: translateX(0%);
 126         }
 127         to {
 128           transform: translateX(-50%);
 129         }
 130       }
 131
 132       #clouds {
 133         animation: cloudsfloat 40s linear infinite;
 134       }
 135
 136       @keyframes cloudscopyfloat {
 137         from {
 138           transform: translateX(0%);
 139         }
 140         to {
 141           transform: translateX(-50%);
 142         }
 143       }
 144
 145       #cloudscopy {
 146         animation: cloudscopyfloat 40s linear infinite;
 147       }
 148
 149
 150       /* Trees */
 151       @keyframes treespass {
 152         from {
 153           transform: translateX(0%);
 154         }
 155         to {
 156           transform: translateX(-50%);
 157         }
 158       }
 159
 160       #trees {
 161         /* The trees move a little faster than the clouds */
 162         animation: treespass 30s linear infinite;
 163       }
 164
 165       @keyframes treescopypass {
 166         from {
 167           transform: translateX(0%);
 168         }
 169         to {
 170           transform: translateX(-50%);
 171         }
 172       }
 173
 174       #treescopy {
 175         /* The trees move a little faster than the clouds */
 176         animation: treescopypass 30s linear infinite;
 177       }
 178
 179
 180       /* City skyline */
 181       @keyframes cityscroll {
 182         from {
 183           transform: translateX(0%);
 184         }
 185         to {
 186           transform: translateX(-50%);
 187         }
 188       }
 189
 190       #city {
 191         /* The city moves faster than the clouds but slower
 192          * than the trees */
 193         animation: cityscroll 35s linear infinite;
 194       }
 195
 196       @keyframes citycopyscroll {
 197         from {
 198           transform: translateX(0%);
 199         }
 200         to {
 201           transform: translateX(-50%);
 202         }
 203       }
 204
 205       #citycopy {
 206         /* The city moves faster than the clouds but slower
 207          * than the trees */
 208         animation: citycopyscroll 35s linear infinite;
 209       }
 210     </style>
 211   </head>
 212
 213   <body>
 214     <div id="menu">
 215       <h1>CharmBypass</h1>
 216       <h2>doing transit equity whether they like it or not</h2>
 217
 218       <p>
 219         <em>Hint:</em> If you think the driver or fare inspector will
 220         actually check it, the daily security code is the same on a
 221         $2.00 BaltimoreLink ticket as it is on a $9.00 MARC Train
 222         ticket. It's also the same on your friend's phone, or for
 223         anyone else in Maryland that day.
 224       </p>
 225
 226       <form>
 227         <fieldset>
 228           <legend>BaltimoreLink (Bus, Light Rail, Metro)</legend>
 229           <div>
 230             <label for="code1">
 231               Daily security code (optional):
 232             </label>
 233             <input id="code1"
 234                    name="code"
 235                    type="text"
 236                    minlength="2"
 237                    maxlength="2"
 238                    pattern="[a-zA-Z0-9]*" />
 239           </div>
 240           <input type="hidden" name="servicename" value="BaltimoreLink" />
 241           <input type="submit" name="go" value="Get Ticket" />
 242         </fieldset>
 243       </form>
 244       <form>
 245         <fieldset>
 246           <legend>Commuter Bus</legend>
 247           <input type="hidden" name="serviceid" value="R" />
 248           <input type="hidden" name="servicename" value="Commuter Bus" />
 249
 250           <div>
 251             <label for="code2">
 252               Daily security code (optional):
 253             </label>
 254             <input id="code2"
 255                    name="code"
 256                    type="text"
 257                    minlength="2"
 258                    maxlength="2"
 259                    pattern="[a-zA-Z0-9]*" />
 260           </div>
 261
 262           <h3>Zone</h3>
 263           <div>
 264             <input required type="radio" id="zone1" name="zone" value="Zone 1" />
 265             <label for="zone1">Zone 1</label>
 266           </div>
 267           <div>
 268             <input required type="radio" id="zone2" name="zone" value="Zone 2" />
 269             <label for="zone2">Zone 2</label>
 270           </div>
 271           <div>
 272             <input required type="radio" id="zone3" name="zone" value="Zone 3" />
 273             <label for="zone3">Zone 3</label>
 274           </div>
 275           <div>
 276             <input required type="radio" id="zone4" name="zone" value="Zone 4" />
 277             <label for="zone4">Zone 4</label>
 278           </div>
 279           <div>
 280             <input required type="radio" id="zone5" name="zone" value="Zone 5" />
 281             <label for="zone5">Zone 5</label>
 282           </div>
 283
 284           <input type="submit" name="go" value="Get Ticket" />
 285         </fieldset>
 286       </form>
 287       <form>
 288         <fieldset>
 289           <legend>MARC Train</legend>
 290
 291           <div>
 292             <label for="code3">
 293               Daily security code (optional):
 294             </label>
 295             <input id="code3"
 296                    name="code"
 297                    type="text"
 298                    minlength="2"
 299                    maxlength="2"
 300                    pattern="[a-zA-Z0-9]*" />
 301           </div>
 302
 303           <h3>Origin</h3>
 304
 305           <div>
 306             <input required type="radio" id="origin1" name="origin" value="BAL" />
 307             <label for="origin1">Baltimore/Penn (Penn Line)</label>
 308           </div>
 309           <div>
 310             <input required type="radio" id="origin2" name="origin" value="BCA" />
 311             <label for="origin2">Baltimore/Camden (Camden Line)</label>
 312           </div>
 313           <div>
 314             <input required type="radio" id="origin3" name="origin" value="BWE" />
 315             <label for="origin3">Bowie State (Penn Line)</label>
 316           </div>
 317           <div>
 318             <input required type="radio" id="origin4" name="origin" value="BWI" />
 319             <label for="origin4">BWI Airport (Penn Line)</label>
 320           </div>
 321           <div>
 322             <input required type="radio" id="origin5" name="origin" value="CPK" />
 323             <label for="origin5">College Park (Camden Line)</label>
 324           </div>
 325           <div>
 326             <input required type="radio" id="origin6" name="origin" value="SEB" />
 327             <label for="origin6">Seabrook (Penn Line)</label>
 328           </div>
 329           <div>
 330             <input required type="radio" id="origin7" name="origin" value="WAS" />
 331             <label for="origin7">Washington D.C.</label>
 332           </div>
 333           <div>
 334             <input required type="radio" id="origin8" name="origin" value="WBL" />
 335             <label for="origin8">West Baltimore (Penn Line)</label>
 336           </div>
 337
 338           <h3>Destination</h3>
 339           <div>
 340             <input required type="radio" id="destination1" name="destination" value="BAL" />
 341             <label for="destination1">Baltimore/Penn (Penn Line)</label>
 342           </div>
 343           <div>
 344             <input required type="radio" id="destination2" name="destination" value="BCA" />
 345             <label for="destination2">Baltimore/Camden (Camden Line)</label>
 346           </div>
 347           <div>
 348             <input required type="radio" id="destination3" name="destination" value="BWE" />
 349             <label for="destination3">Bowie State (Penn Line)</label>
 350           </div>
 351           <div>
 352             <input required type="radio" id="destination4" name="destination" value="BWI" />
 353             <label for="destination4">BWI Airport (Penn Line)</label>
 354           </div>
 355           <div>
 356             <input required type="radio" id="destination5" name="destination" value="CPK" />
 357             <label for="destination5">College Park (Camden Line)</label>
 358           </div>
 359           <div>
 360             <input required type="radio" id="destination6" name="destination" value="SEB" />
 361             <label for="destination6">Seabrook (Penn Line)</label>
 362           </div>
 363           <div>
 364             <input required type="radio" id="destination7" name="destination" value="WAS" />
 365             <label for="destination7">Washington D.C.</label>
 366           </div>
 367           <div>
 368             <input required type="radio" id="destination8" name="destination" value="WBL" />
 369             <label for="destination8">West Baltimore (Penn Line)</label>
 370           </div>
 371
 372           <input type="hidden" name="serviceid" value="R" />
 373           <input type="hidden" name="servicename" value="MARC Train" />
 374           <input type="submit" name="go" value="Get Ticket" />
 375         </fieldset>
 376       </form>
 377     </div>
 378
 379     @SVGDATA@
 380
 381     <script>
 382
 383       /***********************************************/
 384       /* First, center the ticket within the browser */
 385       /***********************************************/
 386
 387       function center_ticket() {
 388         /* We're relying on the SVG being the full height of the
 389          * viewport already, and on the aspect ratio being
 390          * preserved. First, find the center of the ticket. */
 391         const r = document.getElementById("ticket").getBoundingClientRect();
 392         const c = r.left + (r.width / 2);
 393
 394         /* That's the center-line of the ticket. We want to move it to
 395          * the center-line of the viewport. */
 396         const vc = document.documentElement.clientWidth / 2;
 397
 398         /* This is how much we need to translate the SVG */
 399         const hdelta = vc - c;
 400
 401         /* But before we can set the absolute left-coordinate of the
 402          * SVG, we need to know where it is now. Note: without the
 403          * "px" this doesn't default to pixels like CSS does. */
 404         const svg = document.querySelector("svg");
 405         svg.style.left = (svg.getBoundingClientRect().left + hdelta) + "px";
 406       }
 407
 408
 409       /******************************/
 410       /* Set the service identifier */
 411       /******************************/
 412       function set_service_id() {
 413         const sid = document.getElementById("serviceid");
 414
 415         /* Get the "serviceid" from the querystring if it's there */
 416         const params = new URLSearchParams(document.location.search);
 417         if (params.get("serviceid")) {
 418           sid.textContent = params.get("serviceid");
 419         }
 420
 421         /* Otherwise, leave it at "F" */
 422       }
 423
 424       /******************************/
 425       /* Set the service name */
 426       /******************************/
 427       function set_service_name() {
 428         const sid = document.getElementById("servicename");
 429
 430         /* Get the "servicename" from the querystring if it's there */
 431         const params = new URLSearchParams(document.location.search);
 432         if (params.get("servicename")) {
 433           sid.textContent = params.get("servicename");
 434         }
 435
 436         /* Otherwise, leave it at "BaltimoreLink" */
 437       }
 438
 439       /****************************************/
 440       /* Set and reposition the security code */
 441       /****************************************/
 442
 443       function set_code() {
 444         const ct = document.getElementById("codetext");
 445
 446         /* Get the "code" from the querystring if it's there */
 447         const params = new URLSearchParams(document.location.search);
 448         if (params.get("code")) {
 449           ct.textContent = params.get("code").toUpperCase();
 450         }
 451         else {
 452           /* Otherwise, use a random code */
 453           const bucket = ["0","1","2","3","4","5","6","7","8","9",
 454                           "A","B","C","D","E","F","G","H","I","J",
 455                           "K","L","M","N","O","P","Q","R","S","T",
 456                           "U","V","W","X","Y","Z"];
 457
 458           /* Two random ints between 0 and 35 */
 459           const i1 = Math.floor(Math.random() * 36);
 460           const i2 = Math.floor(Math.random() * 36);
 461           const d1 = bucket[i1];
 462           const d2 = bucket[i2];
 463           ct.textContent = d1 + d2;
 464         }
 465       }
 466
 467
 468       function center_code() {
 469         /* Center the security code inside its red box */
 470         const ct = document.getElementById("codetext");
 471         const bg = document.getElementById("codebg");
 472
 473         /* First, find the center of the red box */
 474         const r1 = bg.getBoundingClientRect();
 475         const c1 = r1.left + (r1.width / 2);
 476
 477         /* Now the center of the code text */
 478         const r2 = ct.getBoundingClientRect();
 479         const c2 = r2.left + (r2.width / 2);
 480
 481         /* What do we add to c2 to make it equal to c1? */
 482         const hdelta = c1 - c2;
 483
 484         /* We've measured everything so far in "client rect"
 485          * coordinates, because that's the only available measurement
 486          * we have for the width of the <text> element after futzing
 487          * with its contents. But when we reposition that <text>
 488          * element, it will be by adjusting its "x" attribute, and
 489          * that attribute uses a different coordinate system than the
 490          * client rect does. Specifically, "x" refers to an offset
 491          * within the SVG's coordinate system, and the client rect
 492          * coordinates are pixels on-screen. To convert between the
 493          * two, we can take the "width" attribute of the background
 494          * element and compare it to the width of the background
 495          * element's client rect. Since the size of the background is
 496          * fixed, this should give us a multiplier that turns client recr
 497          * distances (what we have) into SVG distances (what we want) */
 498         const client_to_svg = parseFloat(bg.getAttribute("width"))/r1.width;
 499
 500         /* Convert hdelta from client rect to SVG coordinates */
 501         const svg_hdelta = hdelta * client_to_svg;
 502
 503         /* Since this <text> element has an "x" attribute it's easier for
 504          * us to shift that than it is to mess with the "left" style. */
 505         ct.setAttribute("x", parseFloat(ct.getAttribute("x")) + svg_hdelta);
 506       }
 507
 508       /*****************************************/
 509       /* Next, set up the ticket date and time */
 510       /*****************************************/
 511
 512       function set_ticket_expiry() {
 513         /* There are two parameters, time and date, that we store in one
 514          * underlying "date" variable. Default both to an hour and a
 515          * half from now. This is what the CharmPass app does for
 516          * one-way tickets. */
 517         const date = new Date();
 518
 519         /* BaltimoreLink and MARC Train are valid for an hour and a half */
 520         let minutes = 90;
 521         const params = new URLSearchParams(document.location.search);
 522         if (params.get("servicename") == "Commuter Bus") {
 523           /* But commuter bus tickets are only valid for ten minutes */
 524           minutes = 10;
 525         }
 526
 527         /* We use the low-level get/setTime to change the number of
 528          * milliseconds since the epoch that this date represents
 529          * Obviously correct, and avoids all suspicious corner cases
 530          * for a few more decades. */
 531         date.setTime(date.getTime() + (minutes*60*1000));
 532
 533         tt = document.getElementById("tickettime");
 534         tt.textContent = date.toLocaleTimeString();
 535
 536         const td = document.getElementById("ticketdate");
 537         const dateopts = {
 538           day: "2-digit",
 539           month: "2-digit",
 540           year: "2-digit"
 541         };
 542         td.textContent = date.toLocaleDateString("en-US", dateopts);
 543       }
 544
 545
 546       /*********************************************************/
 547       /* Finally, the onclick handler for the night/day switch */
 548       /*********************************************************/
 549
 550       /* We always start in "day" mode */
 551       is_day = true;
 552
 553       function set_day() {
 554         sky.style.fill = "#efb02f";
 555       }
 556
 557       function set_night() {
 558         sky.style.fill = "#143b66";
 559       }
 560
 561       function swap_colors() {
 562         if (is_day) {
 563           set_night();
 564           is_day = false;
 565         }
 566         else {
 567           set_day();
 568           is_day = true;
 569         }
 570       }
 571
 572
 573       /*******************************************************/
 574       /* Compute the MARC "zone" from its origin/destination */
 575       /*******************************************************/
 576
 577       /* Sorted on the first component, then the second */
 578       const zone_map = {
 579         BAL_BWE: 2,
 580         BAL_BWI: 1,
 581         BAL_SEB: 3,
 582         BAL_WAS: 4,
 583         BAL_WBL: 1,
 584         BCA_CPK_: 3,
 585         BCA_WAS_: 4,
 586         BWI_BWE: 1,
 587         BWI_WAS: 3,
 588         BWI_WBL: 1
 589       };
 590
 591       /* Compute the zone (string) for the given origin/destination pair.
 592        * If we don't know it or if you chose in invalid pair (destination
 593        * not on the same line as your origin?) then the empty string is
 594        * returned. */
 595       function compute_marc_zone(src, dest) {
 596         /* Forward direction key for zone_map */
 597         const fwd = src + "_" +  dest;
 598
 599         /* Reverse direction key for zone_map. The zone_map only
 600          * has them listed in one direction, so we check both
 601          * directions here. */
 602         const rev = dest + "_" +  src;
 603
 604         /* The default. Obviously wrong for when we don't
 605          * have the necessary data. */
 606         let zone = -1;
 607
 608         if (zone_map[fwd]) {
 609           zone = zone_map[fwd];
 610         }
 611         else if (zone_map[rev]) {
 612           zone = zone_map[rev];
 613         }
 614
 615         /* Convert the number to a string */
 616         switch (zone) {
 617           case 1:
 618             return "One Zone";
 619           case 2:
 620             return "Two Zone";
 621           case 3:
 622             return "Three Zone";
 623           case 4:
 624             return "Four Zone";
 625           default:
 626             return "";
 627         }
 628       }
 629
 630       function set_marc_zone() {
 631         const params = new URLSearchParams(document.location.search);
 632         if (params.get("origin") && params.get("destination")) {
 633           const src = params.get("origin");
 634           const dest = params.get("destination");
 635           const zone = compute_marc_zone(src, dest);
 636
 637           /* TODO: actually set the zone */
 638           alert(zone);
 639         }
 640       }
 641
 642       /******************************************/
 643       /* Display the ticket (and hide the menu) */
 644       /******************************************/
 645
 646       function go() {
 647         /* To create our "window" onto the scene, we're going to slide the
 648          * SVG off the left-hand side of the screen, and we don't want
 649          * scroll bars to appear. */
 650         document.body.style.overflow = "hidden";
 651         document.body.style.margin = "0";
 652         document.body.style.padding = "0";
 653
 654         const svg = document.querySelector("svg");
 655         const menu = document.getElementById("menu");
 656         svg.style.display = "initial";
 657         menu.style.display = "none";
 658       }
 659
 660       /*****************************************************/
 661       /* Add event handlers for all of the functions above */
 662       /*****************************************************/
 663
 664       const params = new URLSearchParams(document.location.search);
 665       if (params.get("go")) {
 666         /* First unhide the SVG (swap it with the form) */
 667         window.addEventListener("load", go);
 668
 669         /* Center the ticket once when the page has loaded */
 670         window.addEventListener("load", center_ticket);
 671
 672         /* Re-center the ticket when the window is resized */
 673         window.addEventListener("resize", center_ticket);
 674
 675         /* Set the service identifier when the page has loaded */
 676         window.addEventListener("load", set_service_id);
 677
 678         /* Set the service name when the page has loaded */
 679         window.addEventListener("load", set_service_name);
 680
 681         /* Set the security code text when the page has loaded */
 682         window.addEventListener("load", set_code);
 683
 684         /* Center the security code text when the page has loaded; in
 685          * particular, after we set the code. */
 686         window.addEventListener("load", center_code);
 687
 688         /* Set the ticket expiration date/time upon page load */
 689         window.addEventListener("load", set_ticket_expiry);
 690
 691        /* Set the MARC Train zone, if applicable */
 692        window.addEventListener("load", set_marc_zone);
 693
 694         /* Swap colors when the screen is tapped */
 695         document.body.addEventListener("click", swap_colors);
 696       }
 697
 698     </script>
 699   </body>
 700 </html>