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                 SyjSaveUI.enableSubmit();
 265             }.bind(this));
 266         }
 267
 268         $("geomform").ajaxize({
 269                 presubmit: this.prepareForm.bind(this),
 270                 onSuccess: this.saveSuccess.bind(this),
 271                 onFailure: this.saveFailure.bind(this)
 272                 });
 273         SyjSaveUI.init();
 274
 275         this.messenger = $('message');
 276         hidemessenger = this.messenger.empty();
 277         new CloseBtn(this.messenger, {
 278             style: {
 279                 margin: "-1em"
 280             }
 281         });
 282         if (hidemessenger) {
 283             this.messenger.hide();
 284         }
 285
 286         if (typeof gInitialGeom !== "undefined" && typeof gInitialGeom.data !== "undefined") {
 287             this.viewLayer.addFeatures([this.wkt.read(gInitialGeom.data)]);
 288             extent = this.viewLayer.getDataExtent();
 289             // XXX: ie has not guessed height of map main div yet during map
 290             // initialisation. Now, it will read it correctly.
 291             this.map.updateSize();
 292         } else {
 293             extent = new OpenLayers.Bounds(gMaxExtent.minlon, gMaxExtent.minlat, gMaxExtent.maxlon, gMaxExtent.maxlat)
 294                                          .transform(WGS84, Mercator);
 295         }
 296         this.map.zoomToExtent(extent);
 297         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 298     },
 299
 300     observer: function(evt) {
 301         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 302             this.messenger.hide();
 303         }
 304     },
 305
 306     prepareForm: function(form) {
 307         if (!LoginMgr.logged && !$("geom_accept").checked) {
 308             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 309             $("geom_accept_container").highlight('#F08080');
 310             $("geom_accept").activate();
 311             return false;
 312         }
 313
 314         var line, realPoints, idx;
 315
 316         line = new OpenLayers.Geometry.LineString();
 317         realPoints = this.editControl.handler.realPoints;
 318         for (idx = 0; idx < realPoints.length; idx++) {
 319             line.addComponent(realPoints[idx].geometry.clone());
 320         }
 321         this.viewLayer.addFeatures(new OpenLayers.Feature.Vector(line));
 322
 323         this.viewMode();
 324
 325         $("geom_data").value = this.wkt.write(new OpenLayers.Feature.Vector(line));
 326         if (this.mode === "edit" && typeof gLoggedInfo.pathid !== "undefined") {
 327             $("geomform").setAttribute("action", "path/" + gLoggedInfo.pathid.toString() + '/update');
 328         } else {
 329             $("geomform").setAttribute("action", "path");
 330         }
 331         this.needsFormResubmit = false;
 332         SyjSaveUI.disable.bind(SyjSaveUI).defer();
 333         this.messenger.hide();
 334         return true;
 335     },
 336
 337     viewMode: function() {
 338         var handler = this.editControl.handler;
 339         OpenLayers.Handler.ModifiablePath.prototype.finalize.apply(handler, arguments);
 340         // we need to recreate them on next createFeature; otherwise
 341         // they'll reference destroyed features
 342         delete(handler.handlers.drag);
 343         delete(handler.handlers.feature);
 344         this.editControl.deactivate();
 345     },
 346
 347     editMode: function() {
 348         var components, point0, point, pixels, pixel, idx;
 349
 350         this.initEditControl();
 351
 352         this.editControl.activate();
 353         if (this.viewLayer.features.length) {
 354             components = this.viewLayer.features[0].geometry.components;
 355             point0 = components[0];
 356             if (point0) {
 357                 pixel = this.map.getPixelFromLonLat(new OpenLayers.LonLat(point0.x, point0.y));
 358                 this.editControl.handler.createFeature(pixel);
 359                 this.editControl.handler.lastUp = pixel;
 360                 pixels = [];
 361                 for (idx = 1; idx < components.length; idx++) {
 362                     point = components[idx];
 363                     pixels.push(this.map.getPixelFromLonLat(new OpenLayers.LonLat(point.x, point.y)));
 364                 }
 365                 this.editControl.handler.addPoints(pixels);
 366             }
 367             this.unsavedRoute = {
 368                 features: this.viewLayer.features.invoke('clone'),
 369                 title: $("geom_title").value
 370             };
 371         }
 372
 373         this.viewLayer.destroyFeatures();
 374
 375         SYJDataUi.editmode();
 376         if (this.editControl.handler.realPoints && this.editControl.handler.realPoints.length >= 2) {
 377             SyjSaveUI.disableSubmit();
 378         } else {
 379             SyjSaveUI.disable();
 380         }
 381     },
 382
 383     initEditControl: function() {
 384         var styles;
 385
 386         if (this.editControl) {
 387             return;
 388         }
 389
 390         this.editControl = new OpenLayers.Control.DrawFeature(new OpenLayers.Layer.Vector(), OpenLayers.Handler.SyjModifiablePath, {
 391             callbacks: {
 392                 modify: function(f, line) {
 393                     if (!SYJView.unsavedRoute) {
 394                         SYJView.unsavedRoute = {};
 395                     }
 396                     if (this.handler.realPoints.length < 2) {
 397                         SyjSaveUI.disable();
 398                     } else {
 399                         SyjSaveUI.enable();
 400                     }
 401                 }
 402             },
 403
 404             handlerOptions: {
 405                 layerOptions: {
 406                     styleMap: styleMap.edit
 407                 }
 408             }
 409         });
 410         this.map.addControl(this.editControl);
 411         if (this.editControl.layer.renderer instanceof OpenLayers.Renderer.Canvas) {
 412             // using externalGraphic with canvas renderer is definitively too buggy
 413             styles = this.editControl.handler.layerOptions.styleMap.styles;
 414             styles.select = styles.select_for_canvas;
 415         }
 416         new CloseBtn($("geomform"), {
 417             style : {
 418                 marginRight: "-40px",
 419                 marginTop: "-20px"
 420             },
 421             callback: function(form) {
 422                 this.viewMode();
 423                 this.mode = 'view';
 424                 SYJDataUi.viewmode();
 425                 this.messenger.hide();
 426
 427                 if (this.unsavedRoute && typeof this.unsavedRoute.features !== "undefined") {
 428                     this.viewLayer.addFeatures(this.unsavedRoute.features);
 429                 }
 430                 if (this.unsavedRoute && typeof this.unsavedRoute.title !== "undefined") {
 431                     $("geom_title").value = this.unsavedRoute.title;
 432                 } else {
 433                     $("geom_title").value = "";
 434                 }
 435                 this.unsavedRoute = null;
 436             }.bind(this)
 437         });
 438     },
 439
 440     saveSuccess: function(transport) {
 441       this.unsavedRoute = null;
 442
 443       if (transport.responseJSON && (typeof transport.responseJSON.redirect === "string")) {
 444           location = transport.responseJSON.redirect;
 445           return;
 446       }
 447
 448       this.messenger.setMessage(SyjStrings.saveSuccess, "success");
 449       SYJDataUi.viewmode();
 450       document.title = $('geom_title').value;
 451     },
 452
 453     saveFailure: function(transport) {
 454         var httpCode = 0, message = "";
 455
 456         if (transport) {
 457             httpCode = transport.getStatus();
 458         }
 459         switch (httpCode) {
 460             case 0:
 461                 message = SyjStrings.notReachedError;
 462             break;
 463             case 400:
 464             case 404:
 465                 message = SyjStrings.requestError;
 466                 if (transport.responseJSON) {
 467                     switch (transport.responseJSON.message) {
 468                         case "uniquepath":
 469                             message = SyjStrings.uniquePathError;
 470                         break;
 471                         default:
 472                         break;
 473                     }
 474                 }
 475             break;
 476             case 403:
 477                 message = "";
 478                 SYJLogin.messenger.setMessage(SyjStrings.loginNeeded, "warn");
 479                 SYJLogin.modalbox.show();
 480                 this.needsFormResubmit = true;
 481             break;
 482             case 410:
 483                 message = SyjStrings.gonePathError;
 484             break;
 485             case 500:
 486                 message = SyjStrings.serverError;
 487                 this.needsFormResubmit = true;
 488             break;
 489             default:
 490                 message = SyjStrings.unknownError;
 491             break;
 492         }
 493
 494         this.editMode();
 495         // is some cases, we let the user resubmit, in some other cases, he
 496         // needs to modify the path before submitting again
 497         if (this.needsFormResubmit) {
 498             SyjSaveUI.enable();
 499         }
 500
 501         this.messenger.setMessage(message, "error");
 502     }
 503 };
 504
 505 var SYJModalClass = Class.create({
 506     type: "",
 507
 508     init: function() {
 509         this.area = $(this.type + '_area');
 510         this.messenger = $(this.type + "_message");
 511         this.modalbox = new SimpleBox(this.area, {
 512             closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 513         });
 514
 515         $(this.type + "_control_anchor").observe("click", function(evt) {
 516             this.modalbox.show();
 517             evt.stop();
 518         }.bindAsEventListener(this));
 519
 520         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 521         document.observe('simplebox:hidden', this.observer.bindAsEventListener(this));
 522
 523         $(this.type + "form").ajaxize({
 524             presubmit: this.presubmit.bind(this),
 525             onSuccess: this.success.bind(this),
 526             onFailure: this.failure.bind(this)
 527         });
 528     },
 529
 530     checkNotEmpty: function(input, message) {
 531         if ($(input).value.strip().empty()) {
 532             this.messenger.setMessage(message, "warn");
 533             $(input).highlight('#F08080').activate();
 534             return false;
 535         }
 536         return true;
 537     },
 538
 539     observer: function(evt) {
 540         var simplebox, input;
 541
 542         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 543             simplebox = evt.memo;
 544             if (simplebox === this.modalbox) {
 545                 input = this.area.select('input[type="text"]')[0];
 546                 (function () {
 547                     input.activate();
 548                 }).defer();
 549             } else {
 550                 this.modalbox.hide();
 551             }
 552
 553         } else if (evt.eventName === "simplebox:hidden" && evt.memo.element !== $("termsofusearea")) {
 554             simplebox = evt.memo;
 555             if (simplebox === this.modalbox) {
 556                 this.reset();
 557             }
 558         }
 559     },
 560
 561     failure: function(transport) {
 562         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
 563
 564         if (transport) {
 565             httpCode = transport.getStatus();
 566         }
 567
 568         switch (httpCode) {
 569             case 0:
 570                 message = SyjStrings.notReachedError;
 571             break;
 572             case 400:
 573             case 404:
 574             case 410:
 575                 message = SyjStrings.requestError;
 576             break;
 577             case 500:
 578                 message = SyjStrings.serverError;
 579             break;
 580         }
 581
 582         this.messenger.setMessage(message, "error");
 583         input = this.area.select('input[type="text"]')[0];
 584         input.highlight('#F08080').activate();
 585     },
 586
 587     reset: function() {
 588         this.messenger.hide();
 589         this.area.select('.message').invoke('setMessageStatus', null);
 590     }
 591 });
 592
 593 var SYJUserClass = Class.create(SYJModalClass, {
 594     type: "user",
 595     toubox: null,
 596
 597     init: function($super) {
 598         $super();
 599         $("termsofusearea").hide();
 600
 601         $$("#user_termsofuse_anchor, #geom_termsofuse_anchor").invoke('observe', "click", function(evt) {
 602             if (!this.toubox) {
 603                 this.toubox = new SimpleBox($("termsofusearea"), {
 604                     closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 605                 });
 606             }
 607             this.toubox.show();
 608             if (!$("termsofuseiframe").getAttribute("src")) {
 609                 $("termsofusearea").show();
 610                 $("termsofuseiframe").setAttribute("src", evt.target.href);
 611             }
 612             evt.stop();
 613         }.bindAsEventListener(this));
 614
 615         $$("#login_area_create > a").invoke('observe', 'click',
 616             function(evt) {
 617                 this.modalbox.show();
 618                 evt.stop();
 619             }.bindAsEventListener(this));
 620
 621         $("user_pseudo-desc").hide();
 622         $("user_pseudo").observe('contentchange', function(evt) {
 623             var value = evt.target.value;
 624             PseudoChecker.reset();
 625             if (value && !(value.match(/^[a-zA-Z0-9_.]+$/))) {
 626                 $("user_pseudo-desc").show().setMessageStatus("warn");
 627             } else {
 628                 $("user_pseudo-desc").hide();
 629             }
 630         }).timedobserve(function() {
 631             PseudoChecker.check();
 632         });
 633
 634         $("user_password").observe('contentchange', function(evt) {
 635             if (evt.target.value.length < 6) {
 636                 $("user_password-desc").setMessageStatus("warn");
 637             } else {
 638                 $("user_password-desc").setMessageStatus("success");
 639             }
 640         }.bindAsEventListener(this));
 641
 642         $("account-info").hide();
 643         $("account-info-bullet").observe('click', function(evt) {
 644             var elt = $("account-info");
 645             if (elt.visible()) {
 646                 evt.target.src = "icons/bullet_arrow_right.png";
 647                 elt.hide();
 648             } else {
 649                 evt.target.src = "icons/bullet_arrow_down.png";
 650                 elt.show();
 651             }
 652             evt.stop();
 653         });
 654     },
 655
 656     presubmit: function() {
 657         this.messenger.hide();
 658         PseudoChecker.reset();
 659         if (!(this.checkNotEmpty("user_pseudo", SyjStrings.userEmptyWarn))) {
 660             return false;
 661         }
 662
 663         if (!($("user_pseudo").value.match(/^[a-zA-Z0-9_.]+$/))) {
 664             $("user_pseudo-desc").show().setMessageStatus("warn");
 665             $("user_pseudo").highlight('#F08080').activate();
 666             return false;
 667         }
 668
 669         if (PseudoChecker.exists[$("user_pseudo").value]) {
 670             PseudoChecker.availableMessage(false);
 671             $("user_pseudo").highlight('#F08080').activate();
 672             return false;
 673         }
 674
 675         if (!(this.checkNotEmpty("user_password", SyjStrings.passwordEmptyWarn))) {
 676             return false;
 677         }
 678
 679         if ($("user_password").value.length < 6) {
 680             $("user_password-desc").setMessageStatus("warn");
 681             $("user_password").highlight('#F08080').activate();
 682             return false;
 683         }
 684
 685         if ($("user_password").value !== $("user_password_confirm").value) {
 686             this.messenger.setMessage(SyjStrings.passwordNoMatchWarn, "warn");
 687             $("user_password").highlight('#F08080').activate();
 688             return false;
 689         }
 690
 691         if (!(this.checkNotEmpty("user_email", SyjStrings.emailEmptyWarn))) {
 692             return false;
 693         }
 694
 695         if (!$("user_accept").checked) {
 696             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 697             $("user_accept_container").highlight('#F08080');
 698             $("user_accept").activate();
 699             return false;
 700         }
 701
 702         this.reset();
 703         return true;
 704     },
 705
 706     success: function(transport) {
 707         LoginMgr.login();
 708         SYJView.messenger.setMessage(SyjStrings.userSuccess, "success");
 709         this.modalbox.hide();
 710         if (SYJView.needsFormResubmit) {
 711             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 712             $("geom_submit").activate();
 713         }
 714     },
 715
 716     failure: function($super, transport) {
 717         var httpCode = 0, focusInput = null, message = "";
 718
 719         if (transport) {
 720             httpCode = transport.getStatus();
 721         }
 722
 723         focusInput = null;
 724         message = "";
 725
 726         switch (httpCode) {
 727             case 400:
 728                 if (transport.responseJSON) {
 729                     switch (transport.responseJSON.message) {
 730                         case "invalidemail":
 731                             message = SyjStrings.emailInvalidWarn;
 732                             focusInput = $("user_email");
 733                         break;
 734                         case "uniquepseudo":
 735                             PseudoChecker.availableMessage(false);
 736                             focusInput = $("user_pseudo");
 737                         break;
 738                         case "uniqueemail":
 739                             message = SyjStrings.uniqueEmailError;
 740                             focusInput = $("user_email");
 741                         break;
 742                     }
 743                 }
 744             break;
 745         }
 746
 747         if (focusInput) {
 748             if (message) {
 749                 this.messenger.setMessage(message, "error");
 750             }
 751             focusInput.highlight('#F08080').activate();
 752             return;
 753         }
 754
 755         $super(transport);
 756     }
 757 });
 758 var SYJUser = new SYJUserClass();
 759
 760 var SYJLoginClass = Class.create(SYJModalClass, {
 761     type: "login",
 762
 763     init: function($super) {
 764         $super();
 765     },
 766
 767     presubmit: function() {
 768         this.messenger.hide();
 769         if (!(this.checkNotEmpty("login_user", SyjStrings.userEmptyWarn))) {
 770             return false;
 771         }
 772
 773         this.reset();
 774         return true;
 775     },
 776
 777     success: function(transport) {
 778         if (!transport.responseJSON ||
 779             typeof transport.responseJSON.iscreator !== "boolean" ||
 780             typeof transport.responseJSON.pseudo !== "string"
 781             ) {
 782             this.messenger.setMessage(SyjStrings.unknownError, "error");
 783             return;
 784         }
 785         LoginMgr.login(transport.responseJSON.iscreator);
 786         $$('.logged-pseudo').each(function(elt) {
 787             $A(elt.childNodes).filter(function(node) {
 788                 return (node.nodeType === 3 || node.tagName.toLowerCase() === 'br');
 789             }).each(function(node) {
 790                 node.nodeValue = node.nodeValue.replace('%s', transport.responseJSON.pseudo);
 791             });
 792         });
 793         SYJView.messenger.setMessage(SyjStrings.loginSuccess, "success");
 794         this.modalbox.hide();
 795         if (SYJView.needsFormResubmit) {
 796             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 797             $("geom_submit").activate();
 798         }
 799     },
 800
 801     failure: function($super, transport) {
 802         var httpCode = 0, focusInput = null, message = "";
 803
 804         if (transport) {
 805             httpCode = transport.getStatus();
 806         }
 807
 808         focusInput = null;
 809         message = "";
 810
 811         switch (httpCode) {
 812             case 403:
 813                 message = SyjStrings.loginFailure;
 814                 focusInput = $("login_user");
 815             break;
 816         }
 817
 818         if (message) {
 819             this.messenger.setMessage(message, "error");
 820             if (focusInput) {
 821                 focusInput.highlight('#F08080').activate();
 822             }
 823             return;
 824         }
 825
 826         $super(transport);
 827     }
 828 });
 829 var SYJLogin = new SYJLoginClass();
 830
 831 var SYJNewpwdClass = Class.create(SYJModalClass, {
 832     type: "newpwd",
 833
 834     presubmit: function() {
 835         if (!(this.checkNotEmpty("newpwd_email", SyjStrings.emailEmptyWarn))) {
 836             return false;
 837         }
 838         this.reset();
 839         return true;
 840     },
 841     success: function(transport) {
 842         SYJView.messenger.setMessage(SyjStrings.newpwdSuccess, "success");
 843         this.modalbox.hide();
 844     }
 845
 846 });
 847 var SYJNewpwd = new SYJNewpwdClass();
 848
 849 var LoginMgr = Object.extend(gLoggedInfo, {
 850     controlsdeck: null,
 851
 852     updateUI: function() {
 853         if (!this.controlsdeck) {
 854             this.controlsdeck = new Deck("login_controls");
 855         }
 856         if (this.logged) {
 857             this.controlsdeck.setIndex(1);
 858             $$(".logged-hide").invoke('hide');
 859             $$(".logged-show").invoke('show');
 860         } else {
 861             this.controlsdeck.setIndex(0);
 862             $$(".logged-hide").invoke('show');
 863             $$(".logged-show").invoke('hide');
 864         }
 865
 866         if ($("edit-btn")) {
 867             if (this.iscreator && SYJView.mode === 'view') {
 868                 $("edit-btn").show();
 869             } else {
 870                 $("edit-btn").hide();
 871             }
 872         }
 873     },
 874
 875     login: function(aIsCreator) {
 876         if (typeof aIsCreator === "boolean") {
 877             this.iscreator = aIsCreator;
 878         }
 879         this.logged = true;
 880         this.updateUI();
 881     }
 882 });
 883
 884 var PseudoChecker = {
 885     req: null,
 886     exists: {},
 887     currentvalue: null,
 888     messageelt: null,
 889     throbber: null,
 890
 891     message: function(str, status, throbber) {
 892         var row;
 893         if (!this.messageelt) {
 894             row = new Element('tr');
 895             // we can't use row.update('<td></td><td><div></div></td>')
 896             // because gecko would mangle the <td>s
 897             row.insert(new Element('td'))
 898                .insert((new Element('td')).update(new Element('div')));
 899
 900             $("user_pseudo").up('tr').insert({after: row});
 901             this.messageelt = new Element('span');
 902             this.throbber = new Element("img", { src: "icons/pseudo-throbber.gif"});
 903             row.down('div').insert(this.throbber).insert(this.messageelt);
 904         }
 905         if (throbber) {
 906             this.throbber.show();
 907         } else {
 908             this.throbber.hide();
 909         }
 910         this.messageelt.up().setStyle({visibility: ''});
 911         this.messageelt.className = status;
 912         this.messageelt.update(str);
 913     },
 914
 915     availableMessage: function(available) {
 916         var message = available ? SyjStrings.availablePseudo: SyjStrings.unavailablePseudo,
 917             status = available ? "success": "warn";
 918         this.message(message, status, false);
 919     },
 920
 921     reset: function() {
 922         if (this.req) {
 923             this.req.abort();
 924             this.req = this.currentvalue = null;
 925         }
 926         if (this.messageelt) {
 927             this.messageelt.up().setStyle({visibility: 'hidden'});
 928         }
 929     },
 930
 931     check: function() {
 932         var pseudo = $("user_pseudo").value;
 933
 934         this.reset();
 935
 936         if (!pseudo || !(pseudo.match(/^[a-zA-Z0-9_.]+$/))) {
 937             return;
 938         }
 939
 940         if (typeof this.exists[pseudo] === "boolean") {
 941             this.reset();
 942             this.availableMessage(!this.exists[pseudo]);
 943             return;
 944         }
 945
 946         this.message(SyjStrings.pseudoChecking, "", true);
 947
 948         this.currentvalue = pseudo;
 949         this.req = new Ajax.TimedRequest('userexists/' + encodeURIComponent(pseudo), 20, {
 950             onFailure: this.failure.bind(this),
 951             onSuccess: this.success.bind(this)
 952         });
 953     },
 954
 955     failure: function(transport) {
 956         var httpCode = 0, value = this.currentvalue;
 957
 958         if (transport) {
 959             httpCode = transport.getStatus();
 960         }
 961         this.reset();
 962         if (httpCode === 404) {
 963             this.exists[value] = false;
 964             this.availableMessage(true);
 965         }
 966
 967     },
 968
 969     success: function(transport) {
 970         var httpCode = transport.getStatus(), value = this.currentvalue;
 971         this.reset();
 972         this.exists[value] = true;
 973         this.availableMessage(false);
 974     }
 975 };
 976
 977
 978 document.observe("dom:loaded", function() {
 979     SYJLogin.init();
 980     SYJUser.init();
 981     SYJDataUi.viewmode();
 982     SYJView.init();
 983     SYJNewpwd.init();
 984     LoginMgr.updateUI();
 985 });
 986 window.onbeforeunload = function() {
 987     if (SYJView.unsavedRoute) {
 988         return SyjStrings.unsavedConfirmExit;
 989     } else {
 990         return undefined;
 991     }
 992 };