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         $("geom_accept").disabled = false;
  44         this.status = "partial";
  45         return this;
  46     },
  47
  48     disableSubmit: function() {
  49         $("geom_submit").blur();
  50         $("geom_submit").disabled = true;
  51         $("geom_accept").blur();
  52         $("geom_accept").disabled = true;
  53         this.status = "partial";
  54         return this;
  55     }
  56 };
  57
  58 var SYJDataUi = (function() {
  59     var deck = null,
  60         getdeck = function() {
  61         if (!deck) {
  62             deck = new Deck("data_controls");
  63         }
  64         return deck;
  65     };
  66     return {
  67         viewmode: function() {
  68             getdeck().setIndex(0);
  69         },
  70         editmode: function() {
  71             getdeck().setIndex(1);
  72         }
  73     };
  74 }());
  75
  76 OpenLayers.Handler.SyjModifiablePath = OpenLayers.Class(OpenLayers.Handler.ModifiablePath, {
  77     mouseup: function(evt) {
  78         // do not add a point when navigating
  79         var mapControls = this.control.map.controls, idx, ctrl;
  80
  81         for (idx = mapControls.length; idx-->0; ) {
  82             ctrl = mapControls[idx];
  83             if (this.isCtrlNavigationActive(ctrl, evt)) {
  84                 return true;
  85             }
  86         }
  87         return OpenLayers.Handler.ModifiablePath.prototype.mouseup.apply(this, arguments);
  88     },
  89
  90     addPoints: function(pixel) {
  91         // redraw before last point. As we have a special style for last point, we
  92         // need to redraw before last point after adding a new point (otherwise, it
  93         // keeps special style forever)
  94         var oldpoint = this.point;
  95         OpenLayers.Handler.ModifiablePath.prototype.addPoints.apply(this, arguments);
  96         this.layer.drawFeature(oldpoint);
  97     },
  98
  99     isCtrlNavigationActive: function(ctrl, evt) {
 100         var tolerance = 4, xDiff, yDiff;
 101
 102         if (!(ctrl instanceof OpenLayers.Control.Navigation)) {
 103             return false;
 104         }
 105
 106         if (ctrl.zoomBox &&
 107             ctrl.zoomBox.active &&
 108             ctrl.zoomBox.handler &&
 109             ctrl.zoomBox.handler.active &&
 110             ctrl.zoomBox.handler.dragHandler &&
 111             ctrl.zoomBox.handler.dragHandler.start) {
 112             return true;
 113         }
 114
 115         if (!ctrl.dragPan ||
 116             !ctrl.dragPan.active ||
 117             !ctrl.dragPan.handler ||
 118             !ctrl.dragPan.handler.started ||
 119             !ctrl.dragPan.handler.start) {
 120             return false;
 121         }
 122
 123         // if mouse moved 4 or less pixels, consider it has not moved.
 124         tolerance = 4;
 125
 126         xDiff = evt.xy.x - ctrl.dragPan.handler.start.x;
 127         yDiff = evt.xy.y - ctrl.dragPan.handler.start.y;
 128
 129         if (Math.sqrt(Math.pow(xDiff,2) + Math.pow(yDiff,2)) <= tolerance) {
 130             return false;
 131         }
 132         return true;
 133     },
 134
 135     finalize: function(cancel) {
 136         // do nothing. We don't want to finalize path
 137     }
 138 });
 139
 140 var styleMap = {
 141     edit: new OpenLayers.StyleMap({
 142         "default": new OpenLayers.Style({
 143             pointRadius: "${radius}", // sized according to type attribute
 144             fillColor: "#ffcc66",
 145             strokeColor: "#ff9933",
 146             strokeWidth: 2,
 147             strokeOpacity: "${opacity}",
 148             fillOpacity: "${opacity}"
 149         },
 150         {
 151             context: {
 152                 radius: function(feature) {
 153                     var features;
 154
 155                     if (!(feature.geometry instanceof OpenLayers.Geometry.Point)) {
 156                         return 0;
 157                     }
 158                     if (feature.type === "middle") {
 159                         return 4;
 160                     }
 161                     features = feature.layer.features;
 162                     if (OpenLayers.Util.indexOf(features, feature) === 0) {
 163                         return 5;
 164                     } else if (OpenLayers.Util.indexOf(features, feature) === features.length - 1) {
 165                         return 5;
 166                     }
 167                     return 3;
 168                 },
 169                 opacity: function (feature) {
 170                     if (feature.type === "middle") {
 171                         return 0.5;
 172                     } else {
 173                         return 1;
 174                     }
 175                 }
 176             }
 177         }),
 178
 179         "select": new OpenLayers.Style({
 180             externalGraphic: "icons/delete.png",
 181             graphicHeight: 16
 182         }),
 183
 184         "select_for_canvas": new OpenLayers.Style({
 185             strokeColor: "blue",
 186             fillColor: "lightblue"
 187         })
 188
 189     }),
 190
 191     view: new OpenLayers.StyleMap({
 192         "default": new OpenLayers.Style({
 193             strokeColor: "blue",
 194             strokeWidth: 5,
 195             strokeOpacity: 0.7
 196         })
 197     })
 198 };
 199
 200 var WGS84 = new OpenLayers.Projection("EPSG:4326");
 201 var Mercator = new OpenLayers.Projection("EPSG:900913");
 202
 203 var SYJView = {
 204     viewLayer: null,
 205     editControl: null,
 206     map: null,
 207     wkt: new OpenLayers.Format.WKT({ internalProjection: Mercator, externalProjection: WGS84 }),
 208     needsFormResubmit: false,
 209     unsavedRoute: null,
 210     mode: 'view',
 211
 212     init: function() {
 213         var externalGraphic, baseURL, baseLayer, layerOptions, extent, hidemessenger;
 214
 215         // is svg context, opera does not resolve links with base element is svg context
 216         externalGraphic = styleMap.edit.styles.select.defaultStyle.externalGraphic;
 217         baseURL = document.getElementsByTagName("base")[0].href;
 218         styleMap.edit.styles.select.defaultStyle.externalGraphic = baseURL + externalGraphic;
 219
 220         this.map = new OpenLayers.Map('map', {
 221             controls: [
 222                 new OpenLayers.Control.Navigation(),
 223                 new OpenLayers.Control.PanZoom(),
 224                 new OpenLayers.Control.Attribution()
 225             ],
 226             theme: null
 227         });
 228
 229         baseLayer = new OpenLayers.Layer.OSM("OSM", null, { wrapDateLine: true , attribution: SyjStrings.osmAttribution });
 230
 231         layerOptions = {format:     OpenLayers.Format.WKT,
 232                         projection: WGS84,
 233                         styleMap:   styleMap.view,
 234                         attribution: SyjStrings.geomAttribution };
 235
 236         this.viewLayer = new OpenLayers.Layer.Vector("View Layer", layerOptions);
 237         this.map.addLayers([baseLayer, this.viewLayer]);
 238
 239         if ($("edit-btn")) {
 240             $("edit-btn").observe('click', function() {
 241                 $("geom_submit").value = SyjStrings.editAction;
 242                 this.messenger.hide();
 243                 this.editMode();
 244                 this.mode = 'edit';
 245             }.bind(this));
 246         }
 247
 248         if ($("create-btn")) {
 249             $("create-btn").observe('click', function() {
 250                 $("geom_submit").value = SyjStrings.createAction;
 251                 this.messenger.hide();
 252                 this.editMode();
 253                 this.mode = 'create';
 254             }.bind(this));
 255         }
 256
 257         if ($("clone-btn")) {
 258             $("clone-btn").observe('click', function() {
 259                 $("geom_submit").value = SyjStrings.cloneAction;
 260                 $("geom_title").value = "";
 261                 this.messenger.hide();
 262                 this.editMode();
 263                 this.mode = 'create';
 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         $$("#user_termsofuse_anchor, #geom_termsofuse_anchor").invoke('observe', "click", function(evt) {
 601             if (!this.toubox) {
 602                 this.toubox = new SimpleBox($("termsofusearea"), {
 603                     closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 604                 });
 605             }
 606             this.toubox.show();
 607             if (!$("termsofuseiframe").getAttribute("src")) {
 608                 $("termsofusearea").show();
 609                 $("termsofuseiframe").setAttribute("src", evt.target.href);
 610             }
 611             evt.stop();
 612         }.bindAsEventListener(this));
 613
 614         $$("#login_area_create > a").invoke('observe', 'click',
 615             function(evt) {
 616                 this.modalbox.show();
 617                 evt.stop();
 618             }.bindAsEventListener(this));
 619
 620         $("user_pseudo-desc").hide();
 621         $("user_pseudo").observe('contentchange', function(evt) {
 622             var value = evt.target.value;
 623             PseudoChecker.reset();
 624             if (value && !(value.match(/^[a-zA-Z0-9_.]+$/))) {
 625                 $("user_pseudo-desc").show().setMessageStatus("warn");
 626             } else {
 627                 $("user_pseudo-desc").hide();
 628             }
 629         }).timedobserve(function() {
 630             PseudoChecker.check();
 631         });
 632
 633         $("user_password").observe('contentchange', function(evt) {
 634             if (evt.target.value.length < 6) {
 635                 $("user_password-desc").setMessageStatus("warn");
 636             } else {
 637                 $("user_password-desc").setMessageStatus("success");
 638             }
 639         }.bindAsEventListener(this));
 640
 641         $('account-create-anchor').insert({after: new Toggler('account-info').element});
 642     },
 643
 644     presubmit: function() {
 645         this.messenger.hide();
 646         PseudoChecker.reset();
 647         if (!(this.checkNotEmpty("user_pseudo", SyjStrings.userEmptyWarn))) {
 648             return false;
 649         }
 650
 651         if (!($("user_pseudo").value.match(/^[a-zA-Z0-9_.]+$/))) {
 652             $("user_pseudo-desc").show().setMessageStatus("warn");
 653             $("user_pseudo").highlight('#F08080').activate();
 654             return false;
 655         }
 656
 657         if (PseudoChecker.exists[$("user_pseudo").value]) {
 658             PseudoChecker.availableMessage(false);
 659             $("user_pseudo").highlight('#F08080').activate();
 660             return false;
 661         }
 662
 663         if (!(this.checkNotEmpty("user_password", SyjStrings.passwordEmptyWarn))) {
 664             return false;
 665         }
 666
 667         if ($("user_password").value.length < 6) {
 668             $("user_password-desc").setMessageStatus("warn");
 669             $("user_password").highlight('#F08080').activate();
 670             return false;
 671         }
 672
 673         if ($("user_password").value !== $("user_password_confirm").value) {
 674             this.messenger.setMessage(SyjStrings.passwordNoMatchWarn, "warn");
 675             $("user_password").highlight('#F08080').activate();
 676             return false;
 677         }
 678
 679         if (!(this.checkNotEmpty("user_email", SyjStrings.emailEmptyWarn))) {
 680             return false;
 681         }
 682
 683         if (!$("user_accept").checked) {
 684             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 685             $("user_accept_container").highlight('#F08080');
 686             $("user_accept").activate();
 687             return false;
 688         }
 689
 690         this.reset();
 691         return true;
 692     },
 693
 694     success: function(transport) {
 695         LoginMgr.login();
 696         SYJView.messenger.setMessage(SyjStrings.userSuccess, "success");
 697         this.modalbox.hide();
 698         if (SYJView.needsFormResubmit) {
 699             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 700             $("geom_submit").activate();
 701         }
 702     },
 703
 704     failure: function($super, transport) {
 705         var httpCode = 0, focusInput = null, message = "";
 706
 707         if (transport) {
 708             httpCode = transport.getStatus();
 709         }
 710
 711         focusInput = null;
 712         message = "";
 713
 714         switch (httpCode) {
 715             case 400:
 716                 if (transport.responseJSON) {
 717                     switch (transport.responseJSON.message) {
 718                         case "invalidemail":
 719                             message = SyjStrings.emailInvalidWarn;
 720                             focusInput = $("user_email");
 721                         break;
 722                         case "uniquepseudo":
 723                             PseudoChecker.availableMessage(false);
 724                             focusInput = $("user_pseudo");
 725                         break;
 726                         case "uniqueemail":
 727                             message = SyjStrings.uniqueEmailError;
 728                             focusInput = $("user_email");
 729                         break;
 730                     }
 731                 }
 732             break;
 733         }
 734
 735         if (focusInput) {
 736             if (message) {
 737                 this.messenger.setMessage(message, "error");
 738             }
 739             focusInput.highlight('#F08080').activate();
 740             return;
 741         }
 742
 743         $super(transport);
 744     }
 745 });
 746 var SYJUser = new SYJUserClass();
 747
 748 var SYJLoginClass = Class.create(SYJModalClass, {
 749     type: "login",
 750
 751     init: function($super) {
 752         $super();
 753     },
 754
 755     presubmit: function() {
 756         this.messenger.hide();
 757         if (!(this.checkNotEmpty("login_user", SyjStrings.userEmptyWarn))) {
 758             return false;
 759         }
 760
 761         this.reset();
 762         return true;
 763     },
 764
 765     success: function(transport) {
 766         if (!transport.responseJSON ||
 767             typeof transport.responseJSON.iscreator !== "boolean" ||
 768             typeof transport.responseJSON.pseudo !== "string"
 769             ) {
 770             this.messenger.setMessage(SyjStrings.unknownError, "error");
 771             return;
 772         }
 773         LoginMgr.login(transport.responseJSON.iscreator);
 774         $$('.logged-pseudo').each(function(elt) {
 775             $A(elt.childNodes).filter(function(node) {
 776                 return (node.nodeType === 3 || node.tagName.toLowerCase() === 'br');
 777             }).each(function(node) {
 778                 node.nodeValue = node.nodeValue.replace('%s', transport.responseJSON.pseudo);
 779             });
 780         });
 781         SYJView.messenger.setMessage(SyjStrings.loginSuccess, "success");
 782         this.modalbox.hide();
 783         if (SYJView.needsFormResubmit) {
 784             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 785             $("geom_submit").activate();
 786         }
 787     },
 788
 789     failure: function($super, transport) {
 790         var httpCode = 0, focusInput = null, message = "";
 791
 792         if (transport) {
 793             httpCode = transport.getStatus();
 794         }
 795
 796         focusInput = null;
 797         message = "";
 798
 799         switch (httpCode) {
 800             case 403:
 801                 message = SyjStrings.loginFailure;
 802                 focusInput = $("login_user");
 803             break;
 804         }
 805
 806         if (message) {
 807             this.messenger.setMessage(message, "error");
 808             if (focusInput) {
 809                 focusInput.highlight('#F08080').activate();
 810             }
 811             return;
 812         }
 813
 814         $super(transport);
 815     }
 816 });
 817 var SYJLogin = new SYJLoginClass();
 818
 819 var SYJNewpwdClass = Class.create(SYJModalClass, {
 820     type: "newpwd",
 821
 822     presubmit: function() {
 823         if (!(this.checkNotEmpty("newpwd_email", SyjStrings.emailEmptyWarn))) {
 824             return false;
 825         }
 826         this.reset();
 827         return true;
 828     },
 829     success: function(transport) {
 830         SYJView.messenger.setMessage(SyjStrings.newpwdSuccess, "success");
 831         this.modalbox.hide();
 832     }
 833
 834 });
 835 var SYJNewpwd = new SYJNewpwdClass();
 836
 837 var LoginMgr = Object.extend(gLoggedInfo, {
 838     controlsdeck: null,
 839
 840     updateUI: function() {
 841         if (!this.controlsdeck) {
 842             this.controlsdeck = new Deck("login_controls");
 843         }
 844         if (this.logged) {
 845             this.controlsdeck.setIndex(1);
 846             $$(".logged-hide").invoke('hide');
 847             $$(".logged-show").invoke('show');
 848         } else {
 849             this.controlsdeck.setIndex(0);
 850             $$(".logged-hide").invoke('show');
 851             $$(".logged-show").invoke('hide');
 852         }
 853
 854         if ($("edit-btn")) {
 855             if (this.iscreator && SYJView.mode === 'view') {
 856                 $("edit-btn").show();
 857             } else {
 858                 $("edit-btn").hide();
 859             }
 860         }
 861     },
 862
 863     login: function(aIsCreator) {
 864         if (typeof aIsCreator === "boolean") {
 865             this.iscreator = aIsCreator;
 866         }
 867         this.logged = true;
 868         this.updateUI();
 869     }
 870 });
 871
 872 var PseudoChecker = {
 873     req: null,
 874     exists: {},
 875     currentvalue: null,
 876     messageelt: null,
 877     throbber: null,
 878
 879     message: function(str, status, throbber) {
 880         var row;
 881         if (!this.messageelt) {
 882             row = new Element('tr');
 883             // we can't use row.update('<td></td><td><div></div></td>')
 884             // because gecko would mangle the <td>s
 885             row.insert(new Element('td'))
 886                .insert((new Element('td')).update(new Element('div')));
 887
 888             $("user_pseudo").up('tr').insert({after: row});
 889             this.messageelt = new Element('span');
 890             this.throbber = new Element("img", { src: "icons/pseudo-throbber.gif"});
 891             row.down('div').insert(this.throbber).insert(this.messageelt);
 892         }
 893         if (throbber) {
 894             this.throbber.show();
 895         } else {
 896             this.throbber.hide();
 897         }
 898         this.messageelt.up().setStyle({visibility: ''});
 899         this.messageelt.className = status;
 900         this.messageelt.update(str);
 901     },
 902
 903     availableMessage: function(available) {
 904         var message = available ? SyjStrings.availablePseudo: SyjStrings.unavailablePseudo,
 905             status = available ? "success": "warn";
 906         this.message(message, status, false);
 907     },
 908
 909     reset: function() {
 910         if (this.req) {
 911             this.req.abort();
 912             this.req = this.currentvalue = null;
 913         }
 914         if (this.messageelt) {
 915             this.messageelt.up().setStyle({visibility: 'hidden'});
 916         }
 917     },
 918
 919     check: function() {
 920         var pseudo = $("user_pseudo").value;
 921
 922         this.reset();
 923
 924         if (!pseudo || !(pseudo.match(/^[a-zA-Z0-9_.]+$/))) {
 925             return;
 926         }
 927
 928         if (typeof this.exists[pseudo] === "boolean") {
 929             this.reset();
 930             this.availableMessage(!this.exists[pseudo]);
 931             return;
 932         }
 933
 934         this.message(SyjStrings.pseudoChecking, "", true);
 935
 936         this.currentvalue = pseudo;
 937         this.req = new Ajax.TimedRequest('userexists/' + encodeURIComponent(pseudo), 20, {
 938             onFailure: this.failure.bind(this),
 939             onSuccess: this.success.bind(this)
 940         });
 941     },
 942
 943     failure: function(transport) {
 944         var httpCode = 0, value = this.currentvalue;
 945
 946         if (transport) {
 947             httpCode = transport.getStatus();
 948         }
 949         this.reset();
 950         if (httpCode === 404) {
 951             this.exists[value] = false;
 952             this.availableMessage(true);
 953         }
 954
 955     },
 956
 957     success: function(transport) {
 958         var httpCode = transport.getStatus(), value = this.currentvalue;
 959         this.reset();
 960         this.exists[value] = true;
 961         this.availableMessage(false);
 962     }
 963 };
 964
 965
 966 document.observe("dom:loaded", function() {
 967     SYJLogin.init();
 968     SYJUser.init();
 969     SYJDataUi.viewmode();
 970     SYJView.init();
 971     SYJNewpwd.init();
 972     LoginMgr.updateUI();
 973 });
 974 window.onbeforeunload = function() {
 975     if (SYJView.unsavedRoute) {
 976         return SyjStrings.unsavedConfirmExit;
 977     } else {
 978         return undefined;
 979     }
 980 };