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