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 = $('message');
 282         hidemessenger = this.messenger.empty();
 283         new CloseBtn(this.messenger, {
 284             style: {
 285                 margin: "-1em"
 286             }
 287         });
 288         if (hidemessenger) {
 289             this.messenger.hide();
 290         }
 291
 292         if ($("geom_data").value) {
 293             this.viewLayer.addFeatures([this.wkt.read($("geom_data").value)]);
 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: $("geom_title").value
 376             };
 377         }
 378
 379         this.viewLayer.destroyFeatures();
 380
 381         SyjEditUI.hide();
 382         if (this.editControl.handler.realPoints && this.editControl.handler.realPoints.length >= 2) {
 383             SyjSaveUI.show();
 384             SyjSaveUI.disableSubmit();
 385         } else {
 386             SyjSaveUI.show().disable();
 387         }
 388     },
 389
 390     initEditControl: function() {
 391         var styles;
 392
 393         if (this.editControl) {
 394             return;
 395         }
 396
 397         var self = this;
 398         this.editControl = new OpenLayers.Control.DrawFeature(new OpenLayers.Layer.Vector(), OpenLayers.Handler.SyjModifiablePath, {
 399             callbacks: {
 400                 modify: function(f, line) {
 401                     if (!self.unsavedRoute) {
 402                         self.unsavedRoute = {};
 403                     }
 404                     if (this.handler.realPoints.length < 2) {
 405                         SyjSaveUI.show().disable();
 406                     } else {
 407                         SyjSaveUI.show().enable();
 408                     }
 409                 }
 410             },
 411
 412             handlerOptions: {
 413                 layerOptions: {
 414                     styleMap: styleMap.edit
 415                 }
 416             }
 417         });
 418         this.map.addControl(this.editControl);
 419         if (this.editControl.layer.renderer instanceof OpenLayers.Renderer.Canvas) {
 420             // using externalGraphic with canvas renderer is definitively too buggy
 421             styles = this.editControl.handler.layerOptions.styleMap.styles;
 422             styles.select = styles.select_for_canvas;
 423         }
 424         new CloseBtn($("geomform"), {
 425             style : {
 426                 marginRight: "-40px",
 427                 marginTop: "-20px"
 428             },
 429             callback: function(form) {
 430                 this.viewMode();
 431                 this.mode = 'view';
 432                 SyjSaveUI.hide();
 433                 SyjEditUI.show();
 434                 this.messenger.hide();
 435
 436                 if (this.unsavedRoute && typeof this.unsavedRoute.features !== "undefined") {
 437                     this.viewLayer.addFeatures(this.unsavedRoute.features);
 438                 }
 439                 if (this.unsavedRoute && typeof this.unsavedRoute.title !== "undefined") {
 440                     $("geom_title").value = this.unsavedRoute.title;
 441                 } else {
 442                     $("geom_title").value = "";
 443                 }
 444                 this.unsavedRoute = null;
 445             }.bind(this)
 446         });
 447     },
 448
 449     saveSuccess: function(transport) {
 450       this.unsavedRoute = null;
 451
 452       if (transport.responseJSON && (typeof transport.responseJSON.redirect === "string")) {
 453           location = transport.responseJSON.redirect;
 454           return;
 455       }
 456
 457       this.messenger.setMessage(SyjStrings.saveSuccess, "success");
 458       SyjSaveUI.hide();
 459       SyjEditUI.show();
 460       document.title = $('geom_title').value;
 461     },
 462
 463     saveFailure: function(transport) {
 464         var httpCode = 0, message = "";
 465
 466         if (transport) {
 467             httpCode = transport.getStatus();
 468         }
 469         switch (httpCode) {
 470             case 0:
 471                 message = SyjStrings.notReachedError;
 472             break;
 473             case 400:
 474             case 404:
 475                 message = SyjStrings.requestError;
 476                 if (transport.responseJSON) {
 477                     switch (transport.responseJSON.message) {
 478                         case "uniquepath":
 479                             message = SyjStrings.uniquePathError;
 480                         break;
 481                         default:
 482                         break;
 483                     }
 484                 }
 485             break;
 486             case 403:
 487                 message = "";
 488                 SYJLogin.messenger.setMessage(SyjStrings.loginNeeded, "warn");
 489                 SYJLogin.modalbox.show();
 490                 this.needsFormResubmit = true;
 491             break;
 492             case 410:
 493                 message = SyjStrings.gonePathError;
 494             break;
 495             case 500:
 496                 message = SyjStrings.serverError;
 497                 this.needsFormResubmit = true;
 498             break;
 499             default:
 500                 message = SyjStrings.unknownError;
 501             break;
 502         }
 503
 504         this.editMode();
 505         // is some cases, we let the user resubmit, in some other cases, he
 506         // needs to modify the path before submitting again
 507         if (this.needsFormResubmit) {
 508             SyjSaveUI.enable();
 509         }
 510
 511         this.messenger.setMessage(message, "error");
 512     }
 513 };
 514
 515 var SYJModalClass = Class.create({
 516     type: "",
 517
 518     init: function() {
 519         this.area = $(this.type + '_area');
 520         this.messenger = $(this.type + "_message");
 521         this.modalbox = new SimpleBox(this.area, {
 522             closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 523         });
 524
 525         $(this.type + "_control_anchor").observe("click", function(evt) {
 526             this.modalbox.show();
 527             evt.stop();
 528         }.bindAsEventListener(this));
 529
 530         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 531         document.observe('simplebox:hidden', this.observer.bindAsEventListener(this));
 532
 533         $(this.type + "form").ajaxize({
 534             presubmit: this.presubmit.bind(this),
 535             onSuccess: this.success.bind(this),
 536             onFailure: this.failure.bind(this)
 537         });
 538     },
 539
 540     checkNotEmpty: function(input, message) {
 541         if ($(input).value.strip().empty()) {
 542             this.messenger.setMessage(message, "warn");
 543             $(input).highlight('#F08080').activate();
 544             return false;
 545         }
 546         return true;
 547     },
 548
 549     observer: function(evt) {
 550         var simplebox, input;
 551
 552         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 553             simplebox = evt.memo;
 554             if (simplebox === this.modalbox) {
 555                 input = this.area.select('input[type="text"]')[0];
 556                 (function () {
 557                     input.activate();
 558                 }).defer();
 559             } else {
 560                 this.modalbox.hide();
 561             }
 562
 563         } else if (evt.eventName === "simplebox:hidden" && evt.memo.element !== $("termsofusearea")) {
 564             simplebox = evt.memo;
 565             if (simplebox === this.modalbox) {
 566                 this.reset();
 567             }
 568         }
 569     },
 570
 571     failure: function(transport) {
 572         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
 573
 574         if (transport) {
 575             httpCode = transport.getStatus();
 576         }
 577
 578         switch (httpCode) {
 579             case 0:
 580                 message = SyjStrings.notReachedError;
 581             break;
 582             case 400:
 583             case 404:
 584             case 410:
 585                 message = SyjStrings.requestError;
 586             break;
 587             case 500:
 588                 message = SyjStrings.serverError;
 589             break;
 590         }
 591
 592         this.messenger.setMessage(message, "error");
 593         input = this.area.select('input[type="text"]')[0];
 594         input.highlight('#F08080').activate();
 595     },
 596
 597     reset: function() {
 598         this.messenger.hide();
 599         this.area.select('.message').invoke('setMessageStatus', null);
 600     }
 601 });
 602
 603 var SYJUserClass = Class.create(SYJModalClass, {
 604     type: "user",
 605     toubox: null,
 606
 607     init: function($super) {
 608         $super();
 609         $("termsofusearea").hide();
 610
 611         $$("#user_termsofuse_anchor, #geom_termsofuse_anchor").invoke('observe', "click", function(evt) {
 612             if (!this.toubox) {
 613                 $("termsofusearea").show();
 614                 $("termsofuseiframe").setAttribute("src", evt.target.href);
 615                 this.toubox = new SimpleBox($("termsofusearea"), {
 616                     closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 617                 });
 618             }
 619             this.toubox.show();
 620             evt.stop();
 621         }.bindAsEventListener(this));
 622
 623         $$("#login_area_create > a").invoke('observe', 'click',
 624             function(evt) {
 625                 this.modalbox.show();
 626                 evt.stop();
 627             }.bindAsEventListener(this));
 628
 629         $("user_pseudo-desc").hide();
 630         $("user_pseudo").observe('contentchange', function(evt) {
 631             var value = evt.target.value;
 632             PseudoChecker.reset();
 633             if (value && !(value.match(/^[a-zA-Z0-9_.]+$/))) {
 634                 $("user_pseudo-desc").show().setMessageStatus("warn");
 635             } else {
 636                 $("user_pseudo-desc").hide();
 637             }
 638         }).timedobserve(function() {
 639             PseudoChecker.check();
 640         });
 641
 642         $("user_password").observe('contentchange', function(evt) {
 643             if (evt.target.value.length < 6) {
 644                 $("user_password-desc").setMessageStatus("warn");
 645             } else {
 646                 $("user_password-desc").setMessageStatus("success");
 647             }
 648         }.bindAsEventListener(this));
 649
 650         $("account-info").hide();
 651         $("account-info-bullet").observe('click', function(evt) {
 652             var elt = $("account-info");
 653             if (elt.visible()) {
 654                 evt.target.src = "icons/bullet_arrow_right.png";
 655                 elt.hide();
 656             } else {
 657                 evt.target.src = "icons/bullet_arrow_down.png";
 658                 elt.show();
 659             }
 660             evt.stop();
 661         });
 662     },
 663
 664     presubmit: function() {
 665         this.messenger.hide();
 666         PseudoChecker.reset();
 667         if (!(this.checkNotEmpty("user_pseudo", SyjStrings.userEmptyWarn))) {
 668             return false;
 669         }
 670
 671         if (!($("user_pseudo").value.match(/^[a-zA-Z0-9_.]+$/))) {
 672             $("user_pseudo-desc").show().setMessageStatus("warn");
 673             $("user_pseudo").highlight('#F08080').activate();
 674             return false;
 675         }
 676
 677         if (PseudoChecker.exists[$("user_pseudo").value]) {
 678             PseudoChecker.availableMessage(false);
 679             $("user_pseudo").highlight('#F08080').activate();
 680             return false;
 681         }
 682
 683         if (!(this.checkNotEmpty("user_password", SyjStrings.passwordEmptyWarn))) {
 684             return false;
 685         }
 686
 687         if ($("user_password").value.length < 6) {
 688             $("user_password-desc").setMessageStatus("warn");
 689             $("user_password").highlight('#F08080').activate();
 690             return false;
 691         }
 692
 693         if ($("user_password").value !== $("user_password_confirm").value) {
 694             this.messenger.setMessage(SyjStrings.passwordNoMatchWarn, "warn");
 695             $("user_password").highlight('#F08080').activate();
 696             return false;
 697         }
 698
 699         if (!(this.checkNotEmpty("user_email", SyjStrings.emailEmptyWarn))) {
 700             return false;
 701         }
 702
 703         if (!$("user_accept").checked) {
 704             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 705             $("user_accept_container").highlight('#F08080');
 706             $("user_accept").activate();
 707             return false;
 708         }
 709
 710         this.reset();
 711         return true;
 712     },
 713
 714     success: function(transport) {
 715         LoginMgr.login();
 716         SYJView.messenger.setMessage(SyjStrings.userSuccess, "success");
 717         this.modalbox.hide();
 718         if (SYJView.needsFormResubmit) {
 719             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 720             $("geom_submit").activate();
 721         }
 722     },
 723
 724     failure: function($super, transport) {
 725         var httpCode = 0, focusInput = null, message = "";
 726
 727         if (transport) {
 728             httpCode = transport.getStatus();
 729         }
 730
 731         focusInput = null;
 732         message = "";
 733
 734         switch (httpCode) {
 735             case 400:
 736                 if (transport.responseJSON) {
 737                     switch (transport.responseJSON.message) {
 738                         case "invalidemail":
 739                             message = SyjStrings.emailInvalidWarn;
 740                             focusInput = $("user_email");
 741                         break;
 742                         case "uniquepseudo":
 743                             PseudoChecker.availableMessage(false);
 744                             focusInput = $("user_pseudo");
 745                         break;
 746                         case "uniqueemail":
 747                             message = SyjStrings.uniqueEmailError;
 748                             focusInput = $("user_email");
 749                         break;
 750                     }
 751                 }
 752             break;
 753         }
 754
 755         if (focusInput) {
 756             if (message) {
 757                 this.messenger.setMessage(message, "error");
 758             }
 759             focusInput.highlight('#F08080').activate();
 760             return;
 761         }
 762
 763         $super(transport);
 764     }
 765 });
 766 var SYJUser = new SYJUserClass();
 767
 768 var SYJLoginClass = Class.create(SYJModalClass, {
 769     type: "login",
 770
 771     init: function($super) {
 772         $super();
 773     },
 774
 775     presubmit: function() {
 776         this.messenger.hide();
 777         if (!(this.checkNotEmpty("login_user", SyjStrings.userEmptyWarn))) {
 778             return false;
 779         }
 780
 781         this.reset();
 782         return true;
 783     },
 784
 785     success: function(transport) {
 786         if (transport.responseText === "1") {
 787             LoginMgr.login(true);
 788         } else {
 789             LoginMgr.login();
 790         }
 791         SYJView.messenger.setMessage(SyjStrings.loginSuccess, "success");
 792         this.modalbox.hide();
 793         if (SYJView.needsFormResubmit) {
 794             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 795             $("geom_submit").activate();
 796         }
 797     },
 798
 799     failure: function($super, transport) {
 800         var httpCode = 0, focusInput = null, message = "";
 801
 802         if (transport) {
 803             httpCode = transport.getStatus();
 804         }
 805
 806         focusInput = null;
 807         message = "";
 808
 809         switch (httpCode) {
 810             case 403:
 811                 message = SyjStrings.loginFailure;
 812                 focusInput = $("login_user");
 813             break;
 814         }
 815
 816         if (message) {
 817             this.messenger.setMessage(message, "error");
 818             if (focusInput) {
 819                 focusInput.highlight('#F08080').activate();
 820             }
 821             return;
 822         }
 823
 824         $super(transport);
 825     }
 826 });
 827 var SYJLogin = new SYJLoginClass();
 828
 829 var SYJNewpwdClass = Class.create(SYJModalClass, {
 830     type: "newpwd",
 831
 832     presubmit: function() {
 833         if (!(this.checkNotEmpty("newpwd_email", SyjStrings.emailEmptyWarn))) {
 834             return false;
 835         }
 836         this.reset();
 837         return true;
 838     },
 839     success: function(transport) {
 840         SYJView.messenger.setMessage(SyjStrings.newpwdSuccess, "success");
 841         this.modalbox.hide();
 842     }
 843
 844 });
 845 var SYJNewpwd = new SYJNewpwdClass();
 846
 847 var LoginMgr = Object.extend(gLoggedInfo, {
 848     controlsdeck: null,
 849
 850     updateUI: function() {
 851         if (!this.controlsdeck) {
 852             this.controlsdeck = new Deck("login_controls");
 853         }
 854         if (this.logged) {
 855             this.controlsdeck.setIndex(1);
 856             $$(".logged-hide").invoke('hide');
 857             $$(".logged-show").invoke('show');
 858         } else {
 859             this.controlsdeck.setIndex(0);
 860             $$(".logged-hide").invoke('show');
 861             $$(".logged-show").invoke('hide');
 862         }
 863
 864         if ($("edit-btn")) {
 865             if (this.iscreator && SYJView.mode === 'view') {
 866                 $("edit-btn").show();
 867             } else {
 868                 $("edit-btn").hide();
 869             }
 870         }
 871     },
 872
 873     login: function(aIsCreator) {
 874         if (typeof aIsCreator === "boolean") {
 875             this.iscreator = aIsCreator;
 876         }
 877         this.logged = true;
 878         this.updateUI();
 879     }
 880 });
 881
 882 var PseudoChecker = {
 883     req: null,
 884     exists: {},
 885     currentvalue: null,
 886     messageelt: null,
 887     throbber: null,
 888
 889     message: function(str, status, throbber) {
 890         var row;
 891         if (!this.messageelt) {
 892             row = new Element('tr');
 893             // we can't use row.update('<td></td><td><div></div></td>')
 894             // because gecko would mangle the <td>s
 895             row.insert(new Element('td'))
 896                .insert((new Element('td')).update(new Element('div')));
 897
 898             $("user_pseudo").up('tr').insert({after: row});
 899             this.messageelt = new Element('span');
 900             this.throbber = new Element("img", { src: "icons/pseudo-throbber.gif"});
 901             row.down('div').insert(this.throbber).insert(this.messageelt);
 902         }
 903         if (throbber) {
 904             this.throbber.show();
 905         } else {
 906             this.throbber.hide();
 907         }
 908         this.messageelt.up().setStyle({visibility: ''});
 909         this.messageelt.className = status;
 910         this.messageelt.update(str);
 911     },
 912
 913     availableMessage: function(available) {
 914         var message = available ? SyjStrings.availablePseudo: SyjStrings.unavailablePseudo,
 915             status = available ? "success": "warn";
 916         this.message(message, status, false);
 917     },
 918
 919     reset: function() {
 920         if (this.req) {
 921             this.req.abort();
 922             this.req = this.currentvalue = null;
 923         }
 924         if (this.messageelt) {
 925             this.messageelt.up().setStyle({visibility: 'hidden'});
 926         }
 927     },
 928
 929     check: function() {
 930         var pseudo = $("user_pseudo").value;
 931
 932         this.reset();
 933
 934         if (!pseudo || !(pseudo.match(/^[a-zA-Z0-9_.]+$/))) {
 935             return;
 936         }
 937
 938         if (typeof this.exists[pseudo] === "boolean") {
 939             this.reset();
 940             this.availableMessage(!this.exists[pseudo]);
 941             return;
 942         }
 943
 944         this.message(SyjStrings.pseudoChecking, "", true);
 945
 946         this.currentvalue = pseudo;
 947         this.req = new Ajax.TimedRequest('userexists/' + encodeURIComponent(pseudo), 20, {
 948             onFailure: this.failure.bind(this),
 949             onSuccess: this.success.bind(this)
 950         });
 951     },
 952
 953     failure: function(transport) {
 954         var httpCode = 0, value = this.currentvalue;
 955
 956         if (transport) {
 957             httpCode = transport.getStatus();
 958         }
 959         this.reset();
 960         if (httpCode === 404) {
 961             this.exists[value] = false;
 962             this.availableMessage(true);
 963         }
 964
 965     },
 966
 967     success: function(transport) {
 968         var httpCode = transport.getStatus(), value = this.currentvalue;
 969         this.reset();
 970         this.exists[value] = true;
 971         this.availableMessage(false);
 972     }
 973 };
 974
 975
 976 document.observe("dom:loaded", function() {
 977     SYJLogin.init();
 978     SYJUser.init();
 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 }