public/js/syj.js

   1 /*  This file is part of Syj, Copyright (c) 2010 Arnaud Renevier,
   2     and is published under the AGPL license. */
   3
   4 // avoid openlayers alerts
   5 OpenLayers.Console.userError = function(error) {
   6     SYJView.messenger.setMessage(error, "error");
   7 };
   8
   9 var SyjSaveUI = {
  10     status: "unknown",
  11
  12     init: function() {
  13         $("geom_title").observe('contentchange', this.enableSubmit.bindAsEventListener(this));
  14         return this;
  15     },
  16
  17     enable: function() {
  18         if (this.status === "enabled") {
  19             return this;
  20         }
  21         this.enableSubmit();
  22         $("geom_title").disabled = false;
  23         $("geom_title").activate();
  24         $("geomform").removeClassName("disabled");
  25         this.status = "enabled";
  26         return this;
  27     },
  28
  29     disable: function() {
  30         if (this.status === "disabled") {
  31             return this;
  32         }
  33         this.disableSubmit();
  34         $("geom_title").blur();
  35         $("geom_title").disabled = true;
  36         $("geomform").addClassName("disabled");
  37         this.status = "disabled";
  38         return this;
  39     },
  40
  41     enableSubmit: function() {
  42         $("geom_submit").disabled = false;
  43         this.status = "partial";
  44         return this;
  45     },
  46
  47     disableSubmit: function() {
  48         $("geom_submit").blur();
  49         $("geom_submit").disabled = true;
  50         this.status = "partial";
  51         return this;
  52     }
  53 };
  54
  55 var SYJDataUi = (function() {
  56     var deck = null,
  57         getdeck = function() {
  58         if (!deck) {
  59             deck = new Deck("data_controls");
  60         }
  61         return deck;
  62     };
  63     return {
  64         viewmode: function() {
  65             getdeck().setIndex(0);
  66         },
  67         editmode: function() {
  68             getdeck().setIndex(1);
  69         }
  70     };
  71 }());
  72
  73 OpenLayers.Handler.SyjModifiablePath = OpenLayers.Class(OpenLayers.Handler.ModifiablePath, {
  74     mouseup: function(evt) {
  75         // do not add a point when navigating
  76         var mapControls = this.control.map.controls, idx, ctrl;
  77
  78         for (idx = mapControls.length; idx-->0; ) {
  79             ctrl = mapControls[idx];
  80             if (this.isCtrlNavigationActive(ctrl, evt)) {
  81                 return true;
  82             }
  83         }
  84         return OpenLayers.Handler.ModifiablePath.prototype.mouseup.apply(this, arguments);
  85     },
  86
  87     addPoints: function(pixel) {
  88         // redraw before last point. As we have a special style for last point, we
  89         // need to redraw before last point after adding a new point (otherwise, it
  90         // keeps special style forever)
  91         var oldpoint = this.point;
  92         OpenLayers.Handler.ModifiablePath.prototype.addPoints.apply(this, arguments);
  93         this.layer.drawFeature(oldpoint);
  94     },
  95
  96     isCtrlNavigationActive: function(ctrl, evt) {
  97         var tolerance = 4, xDiff, yDiff;
  98
  99         if (!(ctrl instanceof OpenLayers.Control.Navigation)) {
 100             return false;
 101         }
 102
 103         if (ctrl.zoomBox &&
 104             ctrl.zoomBox.active &&
 105             ctrl.zoomBox.handler &&
 106             ctrl.zoomBox.handler.active &&
 107             ctrl.zoomBox.handler.dragHandler &&
 108             ctrl.zoomBox.handler.dragHandler.start) {
 109             return true;
 110         }
 111
 112         if (!ctrl.dragPan ||
 113             !ctrl.dragPan.active ||
 114             !ctrl.dragPan.handler ||
 115             !ctrl.dragPan.handler.started ||
 116             !ctrl.dragPan.handler.start) {
 117             return false;
 118         }
 119
 120         // if mouse moved 4 or less pixels, consider it has not moved.
 121         tolerance = 4;
 122
 123         xDiff = evt.xy.x - ctrl.dragPan.handler.start.x;
 124         yDiff = evt.xy.y - ctrl.dragPan.handler.start.y;
 125
 126         if (Math.sqrt(Math.pow(xDiff,2) + Math.pow(yDiff,2)) <= tolerance) {
 127             return false;
 128         }
 129         return true;
 130     },
 131
 132     finalize: function(cancel) {
 133         // do nothing. We don't want to finalize path
 134     }
 135 });
 136
 137 var styleMap = {
 138     edit: new OpenLayers.StyleMap({
 139         "default": new OpenLayers.Style({
 140             pointRadius: "${radius}", // sized according to type attribute
 141             fillColor: "#ffcc66",
 142             strokeColor: "#ff9933",
 143             strokeWidth: 2,
 144             strokeOpacity: "${opacity}",
 145             fillOpacity: "${opacity}"
 146         },
 147         {
 148             context: {
 149                 radius: function(feature) {
 150                     var features;
 151
 152                     if (!(feature.geometry instanceof OpenLayers.Geometry.Point)) {
 153                         return 0;
 154                     }
 155                     if (feature.type === "middle") {
 156                         return 4;
 157                     }
 158                     features = feature.layer.features;
 159                     if (OpenLayers.Util.indexOf(features, feature) === 0) {
 160                         return 5;
 161                     } else if (OpenLayers.Util.indexOf(features, feature) === features.length - 1) {
 162                         return 5;
 163                     }
 164                     return 3;
 165                 },
 166                 opacity: function (feature) {
 167                     if (feature.type === "middle") {
 168                         return 0.5;
 169                     } else {
 170                         return 1;
 171                     }
 172                 }
 173             }
 174         }),
 175
 176         "select": new OpenLayers.Style({
 177             externalGraphic: "icons/delete.png",
 178             graphicHeight: 16
 179         }),
 180
 181         "select_for_canvas": new OpenLayers.Style({
 182             strokeColor: "blue",
 183             fillColor: "lightblue"
 184         })
 185
 186     }),
 187
 188     view: new OpenLayers.StyleMap({
 189         "default": new OpenLayers.Style({
 190             strokeColor: "blue",
 191             strokeWidth: 5,
 192             strokeOpacity: 0.7
 193         })
 194     })
 195 };
 196
 197 var WGS84 = new OpenLayers.Projection("EPSG:4326");
 198 var Mercator = new OpenLayers.Projection("EPSG:900913");
 199
 200 var SYJView = {
 201     viewLayer: null,
 202     editControl: null,
 203     map: null,
 204     wkt: new OpenLayers.Format.WKT({ internalProjection: Mercator, externalProjection: WGS84 }),
 205     needsFormResubmit: false,
 206     unsavedRoute: null,
 207     mode: 'view',
 208
 209     init: function() {
 210         var externalGraphic, baseURL, baseLayer, layerOptions, extent, hidemessenger;
 211
 212         // is svg context, opera does not resolve links with base element is svg context
 213         externalGraphic = styleMap.edit.styles.select.defaultStyle.externalGraphic;
 214         baseURL = document.getElementsByTagName("base")[0].href;
 215         styleMap.edit.styles.select.defaultStyle.externalGraphic = baseURL + externalGraphic;
 216
 217         this.map = new OpenLayers.Map('map', {
 218             controls: [
 219                 new OpenLayers.Control.Navigation(),
 220                 new OpenLayers.Control.PanZoom(),
 221                 new OpenLayers.Control.Attribution()
 222             ],
 223             theme: null
 224         });
 225
 226         baseLayer = new OpenLayers.Layer.OSM("OSM", null, { wrapDateLine: true , attribution: SyjStrings.osmAttribution });
 227
 228         layerOptions = {format:     OpenLayers.Format.WKT,
 229                         projection: WGS84,
 230                         styleMap:   styleMap.view};
 231         if (gLoggedInfo.creatorname) {
 232             layerOptions.attribution = SyjStrings.routeBy + ' ' + '<strong>' + gLoggedInfo.creatorname + '</strong>';
 233         }
 234
 235         this.viewLayer = new OpenLayers.Layer.Vector("View Layer", layerOptions);
 236         this.map.addLayers([baseLayer, this.viewLayer]);
 237
 238         if ($("edit-btn")) {
 239             $("edit-btn").observe('click', function() {
 240                 $("geom_submit").value = SyjStrings.editAction;
 241                 this.messenger.hide();
 242                 this.editMode();
 243                 this.mode = 'edit';
 244             }.bind(this));
 245         }
 246
 247         if ($("create-btn")) {
 248             $("create-btn").observe('click', function() {
 249                 $("geom_submit").value = SyjStrings.createAction;
 250                 this.messenger.hide();
 251                 this.editMode();
 252                 this.mode = 'create';
 253             }.bind(this));
 254         }
 255
 256         if ($("clone-btn")) {
 257             $("clone-btn").observe('click', function() {
 258                 $("geom_submit").value = SyjStrings.cloneAction;
 259                 $("geom_title").value = "";
 260                 this.messenger.hide();
 261                 this.editMode();
 262                 this.mode = 'create';
 263                 SyjSaveUI.enableSubmit();
 264             }.bind(this));
 265         }
 266
 267         $("geomform").ajaxize({
 268                 presubmit: this.prepareForm.bind(this),
 269                 onSuccess: this.saveSuccess.bind(this),
 270                 onFailure: this.saveFailure.bind(this)
 271                 });
 272         SyjSaveUI.init();
 273
 274         this.messenger = $('message');
 275         hidemessenger = this.messenger.empty();
 276         new CloseBtn(this.messenger, {
 277             style: {
 278                 margin: "-1em"
 279             }
 280         });
 281         if (hidemessenger) {
 282             this.messenger.hide();
 283         }
 284
 285         if (typeof gInitialGeom !== "undefined" && typeof gInitialGeom.data !== "undefined") {
 286             this.viewLayer.addFeatures([this.wkt.read(gInitialGeom.data)]);
 287             extent = this.viewLayer.getDataExtent();
 288             // XXX: ie has not guessed height of map main div yet during map
 289             // initialisation. Now, it will read it correctly.
 290             this.map.updateSize();
 291         } else {
 292             extent = new OpenLayers.Bounds(gMaxExtent.minlon, gMaxExtent.minlat, gMaxExtent.maxlon, gMaxExtent.maxlat)
 293                                          .transform(WGS84, Mercator);
 294         }
 295         this.map.zoomToExtent(extent);
 296         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 297     },
 298
 299     observer: function(evt) {
 300         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 301             this.messenger.hide();
 302         }
 303     },
 304
 305     prepareForm: function(form) {
 306         if (!LoginMgr.logged && !$("geom_accept").checked) {
 307             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 308             $("geom_accept_container").highlight('#F08080');
 309             $("geom_accept").activate();
 310             return false;
 311         }
 312
 313         var line, realPoints, idx;
 314
 315         line = new OpenLayers.Geometry.LineString();
 316         realPoints = this.editControl.handler.realPoints;
 317         for (idx = 0; idx < realPoints.length; idx++) {
 318             line.addComponent(realPoints[idx].geometry.clone());
 319         }
 320         this.viewLayer.addFeatures(new OpenLayers.Feature.Vector(line));
 321
 322         this.viewMode();
 323
 324         $("geom_data").value = this.wkt.write(new OpenLayers.Feature.Vector(line));
 325         if (this.mode === "edit" && typeof gLoggedInfo.pathid !== "undefined") {
 326             $("geomform").setAttribute("action", "path/" + gLoggedInfo.pathid.toString() + '/update');
 327         } else {
 328             $("geomform").setAttribute("action", "path");
 329         }
 330         this.needsFormResubmit = false;
 331         SyjSaveUI.disable.bind(SyjSaveUI).defer();
 332         this.messenger.hide();
 333         return true;
 334     },
 335
 336     viewMode: function() {
 337         var handler = this.editControl.handler;
 338         OpenLayers.Handler.ModifiablePath.prototype.finalize.apply(handler, arguments);
 339         // we need to recreate them on next createFeature; otherwise
 340         // they'll reference destroyed features
 341         delete(handler.handlers.drag);
 342         delete(handler.handlers.feature);
 343         this.editControl.deactivate();
 344     },
 345
 346     editMode: function() {
 347         var components, point0, point, pixels, pixel, idx;
 348
 349         this.initEditControl();
 350
 351         this.editControl.activate();
 352         if (this.viewLayer.features.length) {
 353             components = this.viewLayer.features[0].geometry.components;
 354             point0 = components[0];
 355             if (point0) {
 356                 pixel = this.map.getPixelFromLonLat(new OpenLayers.LonLat(point0.x, point0.y));
 357                 this.editControl.handler.createFeature(pixel);
 358                 this.editControl.handler.lastUp = pixel;
 359                 pixels = [];
 360                 for (idx = 1; idx < components.length; idx++) {
 361                     point = components[idx];
 362                     pixels.push(this.map.getPixelFromLonLat(new OpenLayers.LonLat(point.x, point.y)));
 363                 }
 364                 this.editControl.handler.addPoints(pixels);
 365             }
 366             this.unsavedRoute = {
 367                 features: this.viewLayer.features.invoke('clone'),
 368                 title: $("geom_title").value
 369             };
 370         }
 371
 372         this.viewLayer.destroyFeatures();
 373
 374         SYJDataUi.editmode();
 375         if (this.editControl.handler.realPoints && this.editControl.handler.realPoints.length >= 2) {
 376             SyjSaveUI.disableSubmit();
 377         } else {
 378             SyjSaveUI.disable();
 379         }
 380     },
 381
 382     initEditControl: function() {
 383         var styles;
 384
 385         if (this.editControl) {
 386             return;
 387         }
 388
 389         this.editControl = new OpenLayers.Control.DrawFeature(new OpenLayers.Layer.Vector(), OpenLayers.Handler.SyjModifiablePath, {
 390             callbacks: {
 391                 modify: function(f, line) {
 392                     if (!SYJView.unsavedRoute) {
 393                         SYJView.unsavedRoute = {};
 394                     }
 395                     if (this.handler.realPoints.length < 2) {
 396                         SyjSaveUI.disable();
 397                     } else {
 398                         SyjSaveUI.enable();
 399                     }
 400                 }
 401             },
 402
 403             handlerOptions: {
 404                 layerOptions: {
 405                     styleMap: styleMap.edit
 406                 }
 407             }
 408         });
 409         this.map.addControl(this.editControl);
 410         if (this.editControl.layer.renderer instanceof OpenLayers.Renderer.Canvas) {
 411             // using externalGraphic with canvas renderer is definitively too buggy
 412             styles = this.editControl.handler.layerOptions.styleMap.styles;
 413             styles.select = styles.select_for_canvas;
 414         }
 415         new CloseBtn($("geomform"), {
 416             style : {
 417                 marginRight: "-40px",
 418                 marginTop: "-20px"
 419             },
 420             callback: function(form) {
 421                 this.viewMode();
 422                 this.mode = 'view';
 423                 SYJDataUi.viewmode();
 424                 this.messenger.hide();
 425
 426                 if (this.unsavedRoute && typeof this.unsavedRoute.features !== "undefined") {
 427                     this.viewLayer.addFeatures(this.unsavedRoute.features);
 428                 }
 429                 if (this.unsavedRoute && typeof this.unsavedRoute.title !== "undefined") {
 430                     $("geom_title").value = this.unsavedRoute.title;
 431                 } else {
 432                     $("geom_title").value = "";
 433                 }
 434                 this.unsavedRoute = null;
 435             }.bind(this)
 436         });
 437     },
 438
 439     saveSuccess: function(transport) {
 440       this.unsavedRoute = null;
 441
 442       if (transport.responseJSON && (typeof transport.responseJSON.redirect === "string")) {
 443           location = transport.responseJSON.redirect;
 444           return;
 445       }
 446
 447       this.messenger.setMessage(SyjStrings.saveSuccess, "success");
 448       SYJDataUi.viewmode();
 449       document.title = $('geom_title').value;
 450     },
 451
 452     saveFailure: function(transport) {
 453         var httpCode = 0, message = "";
 454
 455         if (transport) {
 456             httpCode = transport.getStatus();
 457         }
 458         switch (httpCode) {
 459             case 0:
 460                 message = SyjStrings.notReachedError;
 461             break;
 462             case 400:
 463             case 404:
 464                 message = SyjStrings.requestError;
 465                 if (transport.responseJSON) {
 466                     switch (transport.responseJSON.message) {
 467                         case "uniquepath":
 468                             message = SyjStrings.uniquePathError;
 469                         break;
 470                         default:
 471                         break;
 472                     }
 473                 }
 474             break;
 475             case 403:
 476                 message = "";
 477                 SYJLogin.messenger.setMessage(SyjStrings.loginNeeded, "warn");
 478                 SYJLogin.modalbox.show();
 479                 this.needsFormResubmit = true;
 480             break;
 481             case 410:
 482                 message = SyjStrings.gonePathError;
 483             break;
 484             case 500:
 485                 message = SyjStrings.serverError;
 486                 this.needsFormResubmit = true;
 487             break;
 488             default:
 489                 message = SyjStrings.unknownError;
 490             break;
 491         }
 492
 493         this.editMode();
 494         // is some cases, we let the user resubmit, in some other cases, he
 495         // needs to modify the path before submitting again
 496         if (this.needsFormResubmit) {
 497             SyjSaveUI.enable();
 498         }
 499
 500         this.messenger.setMessage(message, "error");
 501     }
 502 };
 503
 504 var SYJModalClass = Class.create({
 505     type: "",
 506
 507     init: function() {
 508         this.area = $(this.type + '_area');
 509         this.messenger = $(this.type + "_message");
 510         this.modalbox = new SimpleBox(this.area, {
 511             closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 512         });
 513
 514         $(this.type + "_control_anchor").observe("click", function(evt) {
 515             this.modalbox.show();
 516             evt.stop();
 517         }.bindAsEventListener(this));
 518
 519         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 520         document.observe('simplebox:hidden', this.observer.bindAsEventListener(this));
 521
 522         $(this.type + "form").ajaxize({
 523             presubmit: this.presubmit.bind(this),
 524             onSuccess: this.success.bind(this),
 525             onFailure: this.failure.bind(this)
 526         });
 527     },
 528
 529     checkNotEmpty: function(input, message) {
 530         if ($(input).value.strip().empty()) {
 531             this.messenger.setMessage(message, "warn");
 532             $(input).highlight('#F08080').activate();
 533             return false;
 534         }
 535         return true;
 536     },
 537
 538     observer: function(evt) {
 539         var simplebox, input;
 540
 541         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 542             simplebox = evt.memo;
 543             if (simplebox === this.modalbox) {
 544                 input = this.area.select('input[type="text"]')[0];
 545                 (function () {
 546                     input.activate();
 547                 }).defer();
 548             } else {
 549                 this.modalbox.hide();
 550             }
 551
 552         } else if (evt.eventName === "simplebox:hidden" && evt.memo.element !== $("termsofusearea")) {
 553             simplebox = evt.memo;
 554             if (simplebox === this.modalbox) {
 555                 this.reset();
 556             }
 557         }
 558     },
 559
 560     failure: function(transport) {
 561         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
 562
 563         if (transport) {
 564             httpCode = transport.getStatus();
 565         }
 566
 567         switch (httpCode) {
 568             case 0:
 569                 message = SyjStrings.notReachedError;
 570             break;
 571             case 400:
 572             case 404:
 573             case 410:
 574                 message = SyjStrings.requestError;
 575             break;
 576             case 500:
 577                 message = SyjStrings.serverError;
 578             break;
 579         }
 580
 581         this.messenger.setMessage(message, "error");
 582         input = this.area.select('input[type="text"]')[0];
 583         input.highlight('#F08080').activate();
 584     },
 585
 586     reset: function() {
 587         this.messenger.hide();
 588         this.area.select('.message').invoke('setMessageStatus', null);
 589     }
 590 });
 591
 592 var SYJUserClass = Class.create(SYJModalClass, {
 593     type: "user",
 594     toubox: null,
 595
 596     init: function($super) {
 597         $super();
 598         $("termsofusearea").hide();
 599
 600         $$("#user_termsofuse_anchor, #geom_termsofuse_anchor").invoke('observe', "click", function(evt) {
 601             if (!this.toubox) {
 602                 $("termsofusearea").show();
 603                 $("termsofuseiframe").setAttribute("src", evt.target.href);
 604                 this.toubox = new SimpleBox($("termsofusearea"), {
 605                     closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 606                 });
 607             }
 608             this.toubox.show();
 609             evt.stop();
 610         }.bindAsEventListener(this));
 611
 612         $$("#login_area_create > a").invoke('observe', 'click',
 613             function(evt) {
 614                 this.modalbox.show();
 615                 evt.stop();
 616             }.bindAsEventListener(this));
 617
 618         $("user_pseudo-desc").hide();
 619         $("user_pseudo").observe('contentchange', function(evt) {
 620             var value = evt.target.value;
 621             PseudoChecker.reset();
 622             if (value && !(value.match(/^[a-zA-Z0-9_.]+$/))) {
 623                 $("user_pseudo-desc").show().setMessageStatus("warn");
 624             } else {
 625                 $("user_pseudo-desc").hide();
 626             }
 627         }).timedobserve(function() {
 628             PseudoChecker.check();
 629         });
 630
 631         $("user_password").observe('contentchange', function(evt) {
 632             if (evt.target.value.length < 6) {
 633                 $("user_password-desc").setMessageStatus("warn");
 634             } else {
 635                 $("user_password-desc").setMessageStatus("success");
 636             }
 637         }.bindAsEventListener(this));
 638
 639         $("account-info").hide();
 640         $("account-info-bullet").observe('click', function(evt) {
 641             var elt = $("account-info");
 642             if (elt.visible()) {
 643                 evt.target.src = "icons/bullet_arrow_right.png";
 644                 elt.hide();
 645             } else {
 646                 evt.target.src = "icons/bullet_arrow_down.png";
 647                 elt.show();
 648             }
 649             evt.stop();
 650         });
 651     },
 652
 653     presubmit: function() {
 654         this.messenger.hide();
 655         PseudoChecker.reset();
 656         if (!(this.checkNotEmpty("user_pseudo", SyjStrings.userEmptyWarn))) {
 657             return false;
 658         }
 659
 660         if (!($("user_pseudo").value.match(/^[a-zA-Z0-9_.]+$/))) {
 661             $("user_pseudo-desc").show().setMessageStatus("warn");
 662             $("user_pseudo").highlight('#F08080').activate();
 663             return false;
 664         }
 665
 666         if (PseudoChecker.exists[$("user_pseudo").value]) {
 667             PseudoChecker.availableMessage(false);
 668             $("user_pseudo").highlight('#F08080').activate();
 669             return false;
 670         }
 671
 672         if (!(this.checkNotEmpty("user_password", SyjStrings.passwordEmptyWarn))) {
 673             return false;
 674         }
 675
 676         if ($("user_password").value.length < 6) {
 677             $("user_password-desc").setMessageStatus("warn");
 678             $("user_password").highlight('#F08080').activate();
 679             return false;
 680         }
 681
 682         if ($("user_password").value !== $("user_password_confirm").value) {
 683             this.messenger.setMessage(SyjStrings.passwordNoMatchWarn, "warn");
 684             $("user_password").highlight('#F08080').activate();
 685             return false;
 686         }
 687
 688         if (!(this.checkNotEmpty("user_email", SyjStrings.emailEmptyWarn))) {
 689             return false;
 690         }
 691
 692         if (!$("user_accept").checked) {
 693             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 694             $("user_accept_container").highlight('#F08080');
 695             $("user_accept").activate();
 696             return false;
 697         }
 698
 699         this.reset();
 700         return true;
 701     },
 702
 703     success: function(transport) {
 704         LoginMgr.login();
 705         SYJView.messenger.setMessage(SyjStrings.userSuccess, "success");
 706         this.modalbox.hide();
 707         if (SYJView.needsFormResubmit) {
 708             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 709             $("geom_submit").activate();
 710         }
 711     },
 712
 713     failure: function($super, transport) {
 714         var httpCode = 0, focusInput = null, message = "";
 715
 716         if (transport) {
 717             httpCode = transport.getStatus();
 718         }
 719
 720         focusInput = null;
 721         message = "";
 722
 723         switch (httpCode) {
 724             case 400:
 725                 if (transport.responseJSON) {
 726                     switch (transport.responseJSON.message) {
 727                         case "invalidemail":
 728                             message = SyjStrings.emailInvalidWarn;
 729                             focusInput = $("user_email");
 730                         break;
 731                         case "uniquepseudo":
 732                             PseudoChecker.availableMessage(false);
 733                             focusInput = $("user_pseudo");
 734                         break;
 735                         case "uniqueemail":
 736                             message = SyjStrings.uniqueEmailError;
 737                             focusInput = $("user_email");
 738                         break;
 739                     }
 740                 }
 741             break;
 742         }
 743
 744         if (focusInput) {
 745             if (message) {
 746                 this.messenger.setMessage(message, "error");
 747             }
 748             focusInput.highlight('#F08080').activate();
 749             return;
 750         }
 751
 752         $super(transport);
 753     }
 754 });
 755 var SYJUser = new SYJUserClass();
 756
 757 var SYJLoginClass = Class.create(SYJModalClass, {
 758     type: "login",
 759
 760     init: function($super) {
 761         $super();
 762     },
 763
 764     presubmit: function() {
 765         this.messenger.hide();
 766         if (!(this.checkNotEmpty("login_user", SyjStrings.userEmptyWarn))) {
 767             return false;
 768         }
 769
 770         this.reset();
 771         return true;
 772     },
 773
 774     success: function(transport) {
 775         if (!transport.responseJSON ||
 776             typeof transport.responseJSON.iscreator !== "boolean" ||
 777             typeof transport.responseJSON.pseudo !== "string"
 778             ) {
 779             this.messenger.setMessage(SyjStrings.unknownError, "error");
 780             return;
 781         }
 782         LoginMgr.login(transport.responseJSON.iscreator);
 783         $$('.logged-pseudo').each(function(elt) {
 784             $A(elt.childNodes).filter(function(node) {
 785                 return (node.nodeType === 3 || node.tagName.toLowerCase() === 'br');
 786             }).each(function(node) {
 787                 node.nodeValue = node.nodeValue.replace('%s', transport.responseJSON.pseudo);
 788             });
 789         });
 790         SYJView.messenger.setMessage(SyjStrings.loginSuccess, "success");
 791         this.modalbox.hide();
 792         if (SYJView.needsFormResubmit) {
 793             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 794             $("geom_submit").activate();
 795         }
 796     },
 797
 798     failure: function($super, transport) {
 799         var httpCode = 0, focusInput = null, message = "";
 800
 801         if (transport) {
 802             httpCode = transport.getStatus();
 803         }
 804
 805         focusInput = null;
 806         message = "";
 807
 808         switch (httpCode) {
 809             case 403:
 810                 message = SyjStrings.loginFailure;
 811                 focusInput = $("login_user");
 812             break;
 813         }
 814
 815         if (message) {
 816             this.messenger.setMessage(message, "error");
 817             if (focusInput) {
 818                 focusInput.highlight('#F08080').activate();
 819             }
 820             return;
 821         }
 822
 823         $super(transport);
 824     }
 825 });
 826 var SYJLogin = new SYJLoginClass();
 827
 828 var SYJNewpwdClass = Class.create(SYJModalClass, {
 829     type: "newpwd",
 830
 831     presubmit: function() {
 832         if (!(this.checkNotEmpty("newpwd_email", SyjStrings.emailEmptyWarn))) {
 833             return false;
 834         }
 835         this.reset();
 836         return true;
 837     },
 838     success: function(transport) {
 839         SYJView.messenger.setMessage(SyjStrings.newpwdSuccess, "success");
 840         this.modalbox.hide();
 841     }
 842
 843 });
 844 var SYJNewpwd = new SYJNewpwdClass();
 845
 846 var LoginMgr = Object.extend(gLoggedInfo, {
 847     controlsdeck: null,
 848
 849     updateUI: function() {
 850         if (!this.controlsdeck) {
 851             this.controlsdeck = new Deck("login_controls");
 852         }
 853         if (this.logged) {
 854             this.controlsdeck.setIndex(1);
 855             $$(".logged-hide").invoke('hide');
 856             $$(".logged-show").invoke('show');
 857         } else {
 858             this.controlsdeck.setIndex(0);
 859             $$(".logged-hide").invoke('show');
 860             $$(".logged-show").invoke('hide');
 861         }
 862
 863         if ($("edit-btn")) {
 864             if (this.iscreator && SYJView.mode === 'view') {
 865                 $("edit-btn").show();
 866             } else {
 867                 $("edit-btn").hide();
 868             }
 869         }
 870     },
 871
 872     login: function(aIsCreator) {
 873         if (typeof aIsCreator === "boolean") {
 874             this.iscreator = aIsCreator;
 875         }
 876         this.logged = true;
 877         this.updateUI();
 878     }
 879 });
 880
 881 var PseudoChecker = {
 882     req: null,
 883     exists: {},
 884     currentvalue: null,
 885     messageelt: null,
 886     throbber: null,
 887
 888     message: function(str, status, throbber) {
 889         var row;
 890         if (!this.messageelt) {
 891             row = new Element('tr');
 892             // we can't use row.update('<td></td><td><div></div></td>')
 893             // because gecko would mangle the <td>s
 894             row.insert(new Element('td'))
 895                .insert((new Element('td')).update(new Element('div')));
 896
 897             $("user_pseudo").up('tr').insert({after: row});
 898             this.messageelt = new Element('span');
 899             this.throbber = new Element("img", { src: "icons/pseudo-throbber.gif"});
 900             row.down('div').insert(this.throbber).insert(this.messageelt);
 901         }
 902         if (throbber) {
 903             this.throbber.show();
 904         } else {
 905             this.throbber.hide();
 906         }
 907         this.messageelt.up().setStyle({visibility: ''});
 908         this.messageelt.className = status;
 909         this.messageelt.update(str);
 910     },
 911
 912     availableMessage: function(available) {
 913         var message = available ? SyjStrings.availablePseudo: SyjStrings.unavailablePseudo,
 914             status = available ? "success": "warn";
 915         this.message(message, status, false);
 916     },
 917
 918     reset: function() {
 919         if (this.req) {
 920             this.req.abort();
 921             this.req = this.currentvalue = null;
 922         }
 923         if (this.messageelt) {
 924             this.messageelt.up().setStyle({visibility: 'hidden'});
 925         }
 926     },
 927
 928     check: function() {
 929         var pseudo = $("user_pseudo").value;
 930
 931         this.reset();
 932
 933         if (!pseudo || !(pseudo.match(/^[a-zA-Z0-9_.]+$/))) {
 934             return;
 935         }
 936
 937         if (typeof this.exists[pseudo] === "boolean") {
 938             this.reset();
 939             this.availableMessage(!this.exists[pseudo]);
 940             return;
 941         }
 942
 943         this.message(SyjStrings.pseudoChecking, "", true);
 944
 945         this.currentvalue = pseudo;
 946         this.req = new Ajax.TimedRequest('userexists/' + encodeURIComponent(pseudo), 20, {
 947             onFailure: this.failure.bind(this),
 948             onSuccess: this.success.bind(this)
 949         });
 950     },
 951
 952     failure: function(transport) {
 953         var httpCode = 0, value = this.currentvalue;
 954
 955         if (transport) {
 956             httpCode = transport.getStatus();
 957         }
 958         this.reset();
 959         if (httpCode === 404) {
 960             this.exists[value] = false;
 961             this.availableMessage(true);
 962         }
 963
 964     },
 965
 966     success: function(transport) {
 967         var httpCode = transport.getStatus(), value = this.currentvalue;
 968         this.reset();
 969         this.exists[value] = true;
 970         this.availableMessage(false);
 971     }
 972 };
 973
 974
 975 document.observe("dom:loaded", function() {
 976     SYJLogin.init();
 977     SYJUser.init();
 978     SYJDataUi.viewmode();
 979     SYJView.init();
 980     SYJNewpwd.init();
 981     LoginMgr.updateUI();
 982 });
 983 window.onbeforeunload = function() {
 984     if (SYJView.unsavedRoute) {
 985         return SyjStrings.unsavedConfirmExit;
 986     } else {
 987         return undefined;
 988     }
 989 };