public/js/syj.js

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