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 SYJPathLength = (function(){
  59     return {
  60         update: function() {
  61             var pathLength = 0, unit;
  62             if (SYJView.mode === 'view') {
  63                 if (SYJView.viewLayer.features.length) {
  64                     pathLength = SYJView.viewLayer.features[0].geometry.getGeodesicLength(Mercator);
  65                 }
  66             } else {
  67                 pathLength = SYJView.editControl.handler.line.geometry.getGeodesicLength(Mercator);
  68             }
  69
  70             if (pathLength === 0) {
  71                 $("path-length").hide();
  72                 return;
  73             }
  74             $("path-length").show();
  75
  76             if (pathLength < 1000) {
  77                 // precision: 1 cm
  78                 pathLength = Math.round(pathLength * 100) / 100;
  79                 unit = 'm';
  80             } else {
  81                 // precision: 1 m
  82                 pathLength = Math.round(pathLength) / 1000;
  83                 unit = 'km';
  84             }
  85             $("path-length-content").update(pathLength + ' ' + unit);
  86         }
  87     };
  88 }());
  89
  90 var SYJDataUi = (function() {
  91     var deck = null,
  92         infotoggler = null,
  93         getdeck = function() {
  94             if (!deck) {
  95                 deck = new Deck("data_controls");
  96             }
  97             return deck;
  98         },
  99         getinfotoggler = function() {
 100             if (!infotoggler) {
 101                 infotoggler = new Toggler('path-infos-content');
 102                 $("path-infos-toggler").insert({bottom: infotoggler.element});
 103                 $("path-infos-anchor").observe('click', function(evt) {
 104                     evt.stop();
 105                     infotoggler.toggle(evt);
 106                 });
 107                 document.observe('toggler:open', function(evt) {
 108                     if (evt.memo === infotoggler) {
 109                         // XXX: update informations
 110                     }
 111                 });
 112             }
 113             return infotoggler;
 114         };
 115     return {
 116         viewmode: function() {
 117             getdeck().setIndex(0);
 118             if ($("path-infos")) {
 119                 getinfotoggler();
 120                 getinfotoggler().close();
 121                 $("path-infos").show();
 122             }
 123         },
 124         editmode: function() {
 125             getdeck().setIndex(1);
 126             if ($("path-infos")) {
 127                 $("path-infos").hide();
 128             }
 129         }
 130     };
 131 }());
 132
 133 OpenLayers.Handler.SyjModifiablePath = OpenLayers.Class(OpenLayers.Handler.ModifiablePath, {
 134     mouseup: function(evt) {
 135         // do not add a point when navigating
 136         var mapControls = this.control.map.controls, idx, ctrl;
 137
 138         for (idx = mapControls.length; idx-->0; ) {
 139             ctrl = mapControls[idx];
 140             if (this.isCtrlNavigationActive(ctrl, evt)) {
 141                 return true;
 142             }
 143         }
 144         return OpenLayers.Handler.ModifiablePath.prototype.mouseup.apply(this, arguments);
 145     },
 146
 147     addPoints: function(pixel) {
 148         // redraw before last point. As we have a special style for last point, we
 149         // need to redraw before last point after adding a new point (otherwise, it
 150         // keeps special style forever)
 151         var oldpoint = this.point;
 152         OpenLayers.Handler.ModifiablePath.prototype.addPoints.apply(this, arguments);
 153         this.layer.drawFeature(oldpoint);
 154     },
 155
 156     isCtrlNavigationActive: function(ctrl, evt) {
 157         var tolerance = 4, xDiff, yDiff;
 158
 159         if (!(ctrl instanceof OpenLayers.Control.Navigation)) {
 160             return false;
 161         }
 162
 163         if (ctrl.zoomBox &&
 164             ctrl.zoomBox.active &&
 165             ctrl.zoomBox.handler &&
 166             ctrl.zoomBox.handler.active &&
 167             ctrl.zoomBox.handler.dragHandler &&
 168             ctrl.zoomBox.handler.dragHandler.start) {
 169             return true;
 170         }
 171
 172         if (!ctrl.dragPan ||
 173             !ctrl.dragPan.active ||
 174             !ctrl.dragPan.handler ||
 175             !ctrl.dragPan.handler.started ||
 176             !ctrl.dragPan.handler.start) {
 177             return false;
 178         }
 179
 180         // if mouse moved 4 or less pixels, consider it has not moved.
 181         tolerance = 4;
 182
 183         xDiff = evt.xy.x - ctrl.dragPan.handler.start.x;
 184         yDiff = evt.xy.y - ctrl.dragPan.handler.start.y;
 185
 186         if (Math.sqrt(Math.pow(xDiff,2) + Math.pow(yDiff,2)) <= tolerance) {
 187             return false;
 188         }
 189         return true;
 190     },
 191
 192     finalize: function(cancel) {
 193         // do nothing. We don't want to finalize path
 194     }
 195 });
 196
 197 var styleMap = {
 198     edit: new OpenLayers.StyleMap({
 199         "default": new OpenLayers.Style({
 200             pointRadius: "${radius}", // sized according to type attribute
 201             fillColor: "#ffcc66",
 202             strokeColor: "#ff9933",
 203             strokeWidth: 2,
 204             strokeOpacity: "${opacity}",
 205             fillOpacity: "${opacity}"
 206         },
 207         {
 208             context: {
 209                 radius: function(feature) {
 210                     var features;
 211
 212                     if (!(feature.geometry instanceof OpenLayers.Geometry.Point)) {
 213                         return 0;
 214                     }
 215                     if (feature.type === "middle") {
 216                         return 4;
 217                     }
 218                     features = feature.layer.features;
 219                     if (OpenLayers.Util.indexOf(features, feature) === 0) {
 220                         return 5;
 221                     } else if (OpenLayers.Util.indexOf(features, feature) === features.length - 1) {
 222                         return 5;
 223                     }
 224                     return 3;
 225                 },
 226                 opacity: function (feature) {
 227                     if (feature.type === "middle") {
 228                         return 0.5;
 229                     } else {
 230                         return 1;
 231                     }
 232                 }
 233             }
 234         }),
 235
 236         "select": new OpenLayers.Style({
 237             externalGraphic: "icons/delete.png",
 238             graphicHeight: 16
 239         }),
 240
 241         "select_for_canvas": new OpenLayers.Style({
 242             strokeColor: "blue",
 243             fillColor: "lightblue"
 244         })
 245
 246     }),
 247
 248     view: new OpenLayers.StyleMap({
 249         "default": new OpenLayers.Style({
 250             strokeColor: "blue",
 251             strokeWidth: 5,
 252             strokeOpacity: 0.7
 253         })
 254     })
 255 };
 256
 257 var WGS84 = new OpenLayers.Projection("EPSG:4326");
 258 var Mercator = new OpenLayers.Projection("EPSG:900913");
 259
 260 var SYJView = {
 261     viewLayer: null,
 262     editControl: null,
 263     map: null,
 264     wkt: new OpenLayers.Format.WKT({ internalProjection: Mercator, externalProjection: WGS84 }),
 265     needsFormResubmit: false,
 266     unsavedRoute: null,
 267     mode: 'view',
 268
 269     init: function() {
 270         var externalGraphic, baseURL, baseLayer, layerOptions, extent, hidemessenger;
 271
 272         // is svg context, opera does not resolve links with base element is svg context
 273         externalGraphic = styleMap.edit.styles.select.defaultStyle.externalGraphic;
 274         baseURL = document.getElementsByTagName("base")[0].href;
 275         styleMap.edit.styles.select.defaultStyle.externalGraphic = baseURL + externalGraphic;
 276
 277         this.map = new OpenLayers.Map('map', {
 278             controls: [
 279                 new OpenLayers.Control.Navigation(),
 280                 new OpenLayers.Control.PanZoom(),
 281                 new OpenLayers.Control.Attribution()
 282             ],
 283             theme: null
 284         });
 285
 286         baseLayer = new OpenLayers.Layer.OSM("OSM", null, { wrapDateLine: true , attribution: SyjStrings.osmAttribution });
 287
 288         layerOptions = {format:     OpenLayers.Format.WKT,
 289                         projection: WGS84,
 290                         styleMap:   styleMap.view,
 291                         attribution: SyjStrings.geomAttribution };
 292
 293         this.viewLayer = new OpenLayers.Layer.Vector("View Layer", layerOptions);
 294         this.map.addLayers([baseLayer, this.viewLayer]);
 295
 296         if ($("edit-btn")) {
 297             $("edit-btn").observe('click', function() {
 298                 $("geom_submit").value = SyjStrings.editAction;
 299                 this.messenger.hide();
 300                 this.editMode();
 301                 this.mode = 'edit';
 302             }.bind(this));
 303         }
 304
 305         if ($("create-btn")) {
 306             $("create-btn").observe('click', function() {
 307                 $("geom_submit").value = SyjStrings.createAction;
 308                 this.messenger.hide();
 309                 this.editMode();
 310                 this.mode = 'create';
 311             }.bind(this));
 312         }
 313
 314         if ($("clone-btn")) {
 315             $("clone-btn").observe('click', function() {
 316                 $("geom_submit").value = SyjStrings.cloneAction;
 317                 $("geom_title").value = "";
 318                 this.messenger.hide();
 319                 this.editMode();
 320                 this.mode = 'create';
 321             }.bind(this));
 322         }
 323
 324         $("geomform").ajaxize({
 325                 presubmit: this.prepareForm.bind(this),
 326                 onSuccess: this.saveSuccess.bind(this),
 327                 onFailure: this.saveFailure.bind(this)
 328                 });
 329         SyjSaveUI.init();
 330
 331         this.messenger = $('message');
 332         hidemessenger = this.messenger.empty();
 333         new CloseBtn(this.messenger, {
 334             style: {
 335                 margin: "-1em"
 336             }
 337         });
 338         if (hidemessenger) {
 339             this.messenger.hide();
 340         }
 341
 342         if (typeof gInitialGeom !== "undefined" && typeof gInitialGeom.data !== "undefined") {
 343             this.viewLayer.addFeatures([this.wkt.read(gInitialGeom.data)]);
 344             extent = this.viewLayer.getDataExtent();
 345             // XXX: ie has not guessed height of map main div yet during map
 346             // initialisation. Now, it will read it correctly.
 347             this.map.updateSize();
 348         } else {
 349             extent = new OpenLayers.Bounds(gMaxExtent.minlon, gMaxExtent.minlat, gMaxExtent.maxlon, gMaxExtent.maxlat)
 350                                          .transform(WGS84, Mercator);
 351         }
 352         this.map.zoomToExtent(extent);
 353         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 354         SYJPathLength.update();
 355
 356         if (window.FileList && window.FileReader) {
 357             $("map").observe("dragenter", function(evt) { evt.stop();});
 358             $("map").observe("dragover", function(evt) { evt.stop();});
 359             $("map").observe("drop", function(evt) {
 360                 evt.stop();
 361                 if (this.mode !== "view" || this.viewLayer.features.length) {
 362                     return;
 363                 }
 364                 if (!evt.dataTransfer.files.length) {
 365                     return;
 366                 }
 367                 var file = evt.dataTransfer.files[0];
 368                 var reader = new FileReader();
 369                 var readerror = function() {
 370                     this.messenger.setMessage(SyjStrings.dragFileError, "warn");
 371                 }.bind(this);
 372                 reader.onload = function(evt) {
 373                     if (evt.error) {
 374                         readerror();
 375                         return;
 376                     }
 377
 378                     var results = null;
 379                     var content = evt.target.result;
 380
 381                     var engine;
 382                     var formats = ['KML', 'GPX'];
 383
 384                     for (var i = 0; i < formats.length; i++) {
 385                         engine = new OpenLayers.Format[formats[i]]({ internalProjection: Mercator, externalProjection: WGS84 });
 386                         try {
 387                             results = engine.read(content);
 388                         } catch(e) {
 389                         }
 390                         if (results || results.length) {
 391                             break;
 392                         }
 393                     }
 394                     if (!results || !results.length) {
 395                         readerror();
 396                         return;
 397                     }
 398
 399
 400                     var vector = results[0];
 401                     if (vector.geometry.CLASS_NAME !== "OpenLayers.Geometry.LineString") {
 402                         readerror();
 403                         return;
 404                     }
 405                     this.viewLayer.addFeatures([vector]);
 406                     this.map.zoomToExtent(this.viewLayer.getDataExtent());
 407                     this.editMode();
 408                     if (vector.data && vector.data.name) {
 409                         $("geom_title").value = vector.data.name;
 410                     }
 411                  }.bind(this);
 412                 reader.readAsText(file);
 413            }.bind(this));
 414         }
 415     },
 416
 417     observer: function(evt) {
 418         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 419             this.messenger.hide();
 420         }
 421     },
 422
 423     prepareForm: function(form) {
 424         if (!LoginMgr.logged && !$("geom_accept").checked) {
 425             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 426             $("geom_accept_container").highlight('#F08080');
 427             $("geom_accept").activate();
 428             return false;
 429         }
 430
 431         var line, realPoints, idx;
 432
 433         line = new OpenLayers.Geometry.LineString();
 434         realPoints = this.editControl.handler.realPoints;
 435         for (idx = 0; idx < realPoints.length; idx++) {
 436             line.addComponent(realPoints[idx].geometry.clone());
 437         }
 438         this.viewLayer.addFeatures(new OpenLayers.Feature.Vector(line));
 439
 440         this.viewMode();
 441
 442         $("geom_data").value = this.wkt.write(new OpenLayers.Feature.Vector(line));
 443         if (this.mode === "edit" && typeof gLoggedInfo.pathid !== "undefined") {
 444             $("geomform").setAttribute("action", "path/" + gLoggedInfo.pathid.toString() + '/update');
 445         } else {
 446             $("geomform").setAttribute("action", "path");
 447         }
 448         this.needsFormResubmit = false;
 449         SyjSaveUI.disable.bind(SyjSaveUI).defer();
 450         this.messenger.hide();
 451         return true;
 452     },
 453
 454     viewMode: function() {
 455         var handler = this.editControl.handler;
 456         OpenLayers.Handler.ModifiablePath.prototype.finalize.apply(handler, arguments);
 457         // we need to recreate them on next createFeature; otherwise
 458         // they'll reference destroyed features
 459         delete(handler.handlers.drag);
 460         delete(handler.handlers.feature);
 461         this.editControl.deactivate();
 462     },
 463
 464     editMode: function() {
 465         var components, point0, point, pixels, pixel, idx;
 466
 467         this.initEditControl();
 468
 469         this.editControl.activate();
 470         if (this.viewLayer.features.length) {
 471             components = this.viewLayer.features[0].geometry.components;
 472             point0 = components[0];
 473             if (point0) {
 474                 pixel = this.map.getPixelFromLonLat(new OpenLayers.LonLat(point0.x, point0.y));
 475                 this.editControl.handler.createFeature(pixel);
 476                 this.editControl.handler.lastUp = pixel;
 477                 pixels = [];
 478                 for (idx = 1; idx < components.length; idx++) {
 479                     point = components[idx];
 480                     pixels.push(this.map.getPixelFromLonLat(new OpenLayers.LonLat(point.x, point.y)));
 481                 }
 482                 this.editControl.handler.addPoints(pixels);
 483             }
 484             this.unsavedRoute = {
 485                 features: this.viewLayer.features.invoke('clone'),
 486                 title: $("geom_title").value
 487             };
 488         }
 489
 490         this.viewLayer.destroyFeatures();
 491
 492         SYJDataUi.editmode();
 493         if (this.editControl.handler.realPoints && this.editControl.handler.realPoints.length >= 2) {
 494             SyjSaveUI.disableSubmit();
 495         } else {
 496             SyjSaveUI.disable();
 497         }
 498     },
 499
 500     initEditControl: function() {
 501         var styles;
 502
 503         if (this.editControl) {
 504             return;
 505         }
 506
 507         this.editControl = new OpenLayers.Control.DrawFeature(new OpenLayers.Layer.Vector(), OpenLayers.Handler.SyjModifiablePath, {
 508             callbacks: {
 509                 modify: function(f, line) {
 510                     SYJPathLength.update();
 511                     if (!SYJView.unsavedRoute) {
 512                         SYJView.unsavedRoute = {};
 513                     }
 514                     if (this.handler.realPoints.length < 2) {
 515                         SyjSaveUI.disable();
 516                     } else {
 517                         SyjSaveUI.enable();
 518                     }
 519                 }
 520             },
 521
 522             handlerOptions: {
 523                 layerOptions: {
 524                     styleMap: styleMap.edit
 525                 }
 526             }
 527         });
 528         this.map.addControl(this.editControl);
 529         if (this.editControl.layer.renderer instanceof OpenLayers.Renderer.Canvas) {
 530             // using externalGraphic with canvas renderer is definitively too buggy
 531             styles = this.editControl.handler.layerOptions.styleMap.styles;
 532             styles.select = styles.select_for_canvas;
 533         }
 534     },
 535
 536     saveSuccess: function(transport) {
 537       this.unsavedRoute = null;
 538
 539       if (transport.responseJSON && (typeof transport.responseJSON.redirect === "string")) {
 540           location = transport.responseJSON.redirect;
 541           return;
 542       }
 543
 544       this.messenger.setMessage(SyjStrings.saveSuccess, "success");
 545       SYJDataUi.viewmode();
 546       document.title = $('geom_title').value;
 547     },
 548
 549     saveFailure: function(transport) {
 550         var httpCode = 0, message = "";
 551
 552         if (transport) {
 553             httpCode = transport.getStatus();
 554         }
 555         switch (httpCode) {
 556             case 0:
 557                 message = SyjStrings.notReachedError;
 558             break;
 559             case 400:
 560             case 404:
 561                 message = SyjStrings.requestError;
 562                 if (transport.responseJSON) {
 563                     switch (transport.responseJSON.message) {
 564                         case "uniquepath":
 565                             message = SyjStrings.uniquePathError;
 566                         break;
 567                         default:
 568                         break;
 569                     }
 570                 }
 571             break;
 572             case 403:
 573                 message = "";
 574                 SYJLogin.messenger.setMessage(SyjStrings.loginNeeded, "warn");
 575                 SYJLogin.modalbox.show();
 576                 this.needsFormResubmit = true;
 577             break;
 578             case 410:
 579                 message = SyjStrings.gonePathError;
 580             break;
 581             case 500:
 582                 message = SyjStrings.serverError;
 583                 this.needsFormResubmit = true;
 584             break;
 585             default:
 586                 message = SyjStrings.unknownError;
 587             break;
 588         }
 589
 590         this.editMode();
 591         // is some cases, we let the user resubmit, in some other cases, he
 592         // needs to modify the path before submitting again
 593         if (this.needsFormResubmit) {
 594             SyjSaveUI.enable();
 595         }
 596
 597         this.messenger.setMessage(message, "error");
 598     }
 599 };
 600
 601 var SYJModalClass = Class.create({
 602     type: "",
 603
 604     init: function() {
 605         this.area = $(this.type + '_area');
 606         this.messenger = $(this.type + "_message");
 607         this.modalbox = new SimpleBox(this.area, {
 608             closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 609         });
 610
 611         $(this.type + "_control_anchor").observe("click", function(evt) {
 612             this.modalbox.show();
 613             evt.stop();
 614         }.bindAsEventListener(this));
 615
 616         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 617         document.observe('simplebox:hidden', this.observer.bindAsEventListener(this));
 618
 619         $(this.type + "form").ajaxize({
 620             presubmit: this.presubmit.bind(this),
 621             onSuccess: this.success.bind(this),
 622             onFailure: this.failure.bind(this)
 623         });
 624     },
 625
 626     checkNotEmpty: function(input, message) {
 627         if ($(input).value.strip().empty()) {
 628             this.messenger.setMessage(message, "warn");
 629             $(input).highlight('#F08080').activate();
 630             return false;
 631         }
 632         return true;
 633     },
 634
 635     observer: function(evt) {
 636         var simplebox, input;
 637
 638         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 639             simplebox = evt.memo;
 640             if (simplebox === this.modalbox) {
 641                 input = this.area.select('input[type="text"]')[0];
 642                 (function () {
 643                     input.activate();
 644                 }).defer();
 645             } else {
 646                 this.modalbox.hide();
 647             }
 648
 649         } else if (evt.eventName === "simplebox:hidden" && evt.memo.element !== $("termsofusearea")) {
 650             simplebox = evt.memo;
 651             if (simplebox === this.modalbox) {
 652                 this.reset();
 653             }
 654         }
 655     },
 656
 657     failure: function(transport) {
 658         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
 659
 660         if (transport) {
 661             httpCode = transport.getStatus();
 662         }
 663
 664         switch (httpCode) {
 665             case 0:
 666                 message = SyjStrings.notReachedError;
 667             break;
 668             case 400:
 669             case 404:
 670             case 410:
 671                 message = SyjStrings.requestError;
 672             break;
 673             case 500:
 674                 message = SyjStrings.serverError;
 675             break;
 676         }
 677
 678         this.messenger.setMessage(message, "error");
 679         input = this.area.select('input[type="text"]')[0];
 680         input.highlight('#F08080').activate();
 681     },
 682
 683     reset: function() {
 684         this.messenger.hide();
 685         this.area.select('.message').invoke('setMessageStatus', null);
 686     }
 687 });
 688
 689 var SYJUserClass = Class.create(SYJModalClass, {
 690     type: "user",
 691     toubox: null,
 692
 693     init: function($super) {
 694         $super();
 695         $("termsofusearea").hide();
 696
 697         $$("#user_termsofuse_anchor, #geom_termsofuse_anchor").invoke('observe', "click", function(evt) {
 698             if (!this.toubox) {
 699                 this.toubox = new SimpleBox($("termsofusearea"), {
 700                     closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 701                 });
 702             }
 703             this.toubox.show();
 704             if (!$("termsofuseiframe").getAttribute("src")) {
 705                 $("termsofusearea").show();
 706                 $("termsofuseiframe").setAttribute("src", evt.target.href);
 707             }
 708             evt.stop();
 709         }.bindAsEventListener(this));
 710
 711         $$("#login_area_create > a").invoke('observe', 'click',
 712             function(evt) {
 713                 this.modalbox.show();
 714                 evt.stop();
 715             }.bindAsEventListener(this));
 716
 717         $("user_pseudo-desc").hide();
 718         $("user_pseudo").observe('contentchange', function(evt) {
 719             var value = evt.target.value;
 720             PseudoChecker.reset();
 721             if (value && !(value.match(/^[a-zA-Z0-9_.]+$/))) {
 722                 $("user_pseudo-desc").show().setMessageStatus("warn");
 723             } else {
 724                 $("user_pseudo-desc").hide();
 725             }
 726         }).timedobserve(function() {
 727             PseudoChecker.check();
 728         });
 729
 730         $("user_password").observe('contentchange', function(evt) {
 731             if (evt.target.value.length < 6) {
 732                 $("user_password-desc").setMessageStatus("warn");
 733             } else {
 734                 $("user_password-desc").setMessageStatus("success");
 735             }
 736         }.bindAsEventListener(this));
 737
 738         $('account-create-anchor').insert({after: new Toggler('account-info').element});
 739     },
 740
 741     presubmit: function() {
 742         this.messenger.hide();
 743         PseudoChecker.reset();
 744         if (!(this.checkNotEmpty("user_pseudo", SyjStrings.userEmptyWarn))) {
 745             return false;
 746         }
 747
 748         if (!($("user_pseudo").value.match(/^[a-zA-Z0-9_.]+$/))) {
 749             $("user_pseudo-desc").show().setMessageStatus("warn");
 750             $("user_pseudo").highlight('#F08080').activate();
 751             return false;
 752         }
 753
 754         if (PseudoChecker.exists[$("user_pseudo").value]) {
 755             PseudoChecker.availableMessage(false);
 756             $("user_pseudo").highlight('#F08080').activate();
 757             return false;
 758         }
 759
 760         if (!(this.checkNotEmpty("user_password", SyjStrings.passwordEmptyWarn))) {
 761             return false;
 762         }
 763
 764         if ($("user_password").value.length < 6) {
 765             $("user_password-desc").setMessageStatus("warn");
 766             $("user_password").highlight('#F08080').activate();
 767             return false;
 768         }
 769
 770         if ($("user_password").value !== $("user_password_confirm").value) {
 771             this.messenger.setMessage(SyjStrings.passwordNoMatchWarn, "warn");
 772             $("user_password").highlight('#F08080').activate();
 773             return false;
 774         }
 775
 776         if (!(this.checkNotEmpty("user_email", SyjStrings.emailEmptyWarn))) {
 777             return false;
 778         }
 779
 780         if (!$("user_accept").checked) {
 781             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 782             $("user_accept_container").highlight('#F08080');
 783             $("user_accept").activate();
 784             return false;
 785         }
 786
 787         this.reset();
 788         return true;
 789     },
 790
 791     success: function(transport) {
 792         LoginMgr.login();
 793         SYJView.messenger.setMessage(SyjStrings.userSuccess, "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 400:
 813                 if (transport.responseJSON) {
 814                     switch (transport.responseJSON.message) {
 815                         case "invalidemail":
 816                             message = SyjStrings.emailInvalidWarn;
 817                             focusInput = $("user_email");
 818                         break;
 819                         case "uniquepseudo":
 820                             PseudoChecker.availableMessage(false);
 821                             focusInput = $("user_pseudo");
 822                         break;
 823                         case "uniqueemail":
 824                             message = SyjStrings.uniqueEmailError;
 825                             focusInput = $("user_email");
 826                         break;
 827                     }
 828                 }
 829             break;
 830         }
 831
 832         if (focusInput) {
 833             if (message) {
 834                 this.messenger.setMessage(message, "error");
 835             }
 836             focusInput.highlight('#F08080').activate();
 837             return;
 838         }
 839
 840         $super(transport);
 841     }
 842 });
 843 var SYJUser = new SYJUserClass();
 844
 845 var SYJLoginClass = Class.create(SYJModalClass, {
 846     type: "login",
 847
 848     init: function($super) {
 849         $super();
 850     },
 851
 852     presubmit: function() {
 853         this.messenger.hide();
 854         if (!(this.checkNotEmpty("login_user", SyjStrings.userEmptyWarn))) {
 855             return false;
 856         }
 857
 858         this.reset();
 859         return true;
 860     },
 861
 862     success: function(transport) {
 863         if (!transport.responseJSON ||
 864             typeof transport.responseJSON.iscreator !== "boolean" ||
 865             typeof transport.responseJSON.pseudo !== "string"
 866             ) {
 867             this.messenger.setMessage(SyjStrings.unknownError, "error");
 868             return;
 869         }
 870         LoginMgr.login(transport.responseJSON.iscreator);
 871         $$('.logged-pseudo').each(function(elt) {
 872             $A(elt.childNodes).filter(function(node) {
 873                 return (node.nodeType === 3 || node.tagName.toLowerCase() === 'br');
 874             }).each(function(node) {
 875                 node.nodeValue = node.nodeValue.replace('%s', transport.responseJSON.pseudo);
 876             });
 877         });
 878         SYJView.messenger.setMessage(SyjStrings.loginSuccess, "success");
 879         this.modalbox.hide();
 880         if (SYJView.needsFormResubmit) {
 881             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 882             $("geom_submit").activate();
 883         }
 884     },
 885
 886     failure: function($super, transport) {
 887         var httpCode = 0, focusInput = null, message = "";
 888
 889         if (transport) {
 890             httpCode = transport.getStatus();
 891         }
 892
 893         focusInput = null;
 894         message = "";
 895
 896         switch (httpCode) {
 897             case 403:
 898                 message = SyjStrings.loginFailure;
 899                 focusInput = $("login_user");
 900             break;
 901         }
 902
 903         if (message) {
 904             this.messenger.setMessage(message, "error");
 905             if (focusInput) {
 906                 focusInput.highlight('#F08080').activate();
 907             }
 908             return;
 909         }
 910
 911         $super(transport);
 912     }
 913 });
 914 var SYJLogin = new SYJLoginClass();
 915
 916 var SYJNewpwdClass = Class.create(SYJModalClass, {
 917     type: "newpwd",
 918
 919     presubmit: function() {
 920         if (!(this.checkNotEmpty("newpwd_email", SyjStrings.emailEmptyWarn))) {
 921             return false;
 922         }
 923         this.reset();
 924         return true;
 925     },
 926     success: function(transport) {
 927         SYJView.messenger.setMessage(SyjStrings.newpwdSuccess, "success");
 928         this.modalbox.hide();
 929     }
 930
 931 });
 932 var SYJNewpwd = new SYJNewpwdClass();
 933
 934 var LoginMgr = Object.extend(gLoggedInfo, {
 935     controlsdeck: null,
 936
 937     updateUI: function() {
 938         if (!this.controlsdeck) {
 939             this.controlsdeck = new Deck("login_controls");
 940         }
 941         if (this.logged) {
 942             this.controlsdeck.setIndex(1);
 943             $$(".logged-hide").invoke('hide');
 944             $$(".logged-show").invoke('show');
 945         } else {
 946             this.controlsdeck.setIndex(0);
 947             $$(".logged-hide").invoke('show');
 948             $$(".logged-show").invoke('hide');
 949         }
 950
 951         if ($("edit-btn")) {
 952             if (this.iscreator && SYJView.mode === 'view') {
 953                 $("edit-btn").show();
 954             } else {
 955                 $("edit-btn").hide();
 956             }
 957         }
 958     },
 959
 960     login: function(aIsCreator) {
 961         if (typeof aIsCreator === "boolean") {
 962             this.iscreator = aIsCreator;
 963         }
 964         this.logged = true;
 965         this.updateUI();
 966     }
 967 });
 968
 969 var PseudoChecker = {
 970     req: null,
 971     exists: {},
 972     currentvalue: null,
 973     messageelt: null,
 974     throbber: null,
 975
 976     message: function(str, status, throbber) {
 977         var row;
 978         if (!this.messageelt) {
 979             row = new Element('tr');
 980             // we can't use row.update('<td></td><td><div></div></td>')
 981             // because gecko would mangle the <td>s
 982             row.insert(new Element('td'))
 983                .insert((new Element('td')).update(new Element('div')));
 984
 985             $("user_pseudo").up('tr').insert({after: row});
 986             this.messageelt = new Element('span');
 987             this.throbber = new Element("img", { src: "icons/throbber.gif"});
 988             row.down('div').insert(this.throbber).insert(this.messageelt);
 989         }
 990         if (throbber) {
 991             this.throbber.show();
 992         } else {
 993             this.throbber.hide();
 994         }
 995         this.messageelt.up().setStyle({visibility: ''});
 996         this.messageelt.className = status;
 997         this.messageelt.update(str);
 998     },
 999
1000     availableMessage: function(available) {
1001         var message = available ? SyjStrings.availablePseudo: SyjStrings.unavailablePseudo,
1002             status = available ? "success": "warn";
1003         this.message(message, status, false);
1004     },
1005
1006     reset: function() {
1007         if (this.req) {
1008             this.req.abort();
1009             this.req = this.currentvalue = null;
1010         }
1011         if (this.messageelt) {
1012             this.messageelt.up().setStyle({visibility: 'hidden'});
1013         }
1014     },
1015
1016     check: function() {
1017         var pseudo = $("user_pseudo").value;
1018
1019         this.reset();
1020
1021         if (!pseudo || !(pseudo.match(/^[a-zA-Z0-9_.]+$/))) {
1022             return;
1023         }
1024
1025         if (typeof this.exists[pseudo] === "boolean") {
1026             this.reset();
1027             this.availableMessage(!this.exists[pseudo]);
1028             return;
1029         }
1030
1031         this.message(SyjStrings.pseudoChecking, "", true);
1032
1033         this.currentvalue = pseudo;
1034         this.req = new Ajax.TimedRequest('userexists/' + encodeURIComponent(pseudo), 20, {
1035             onFailure: this.failure.bind(this),
1036             onSuccess: this.success.bind(this)
1037         });
1038     },
1039
1040     failure: function(transport) {
1041         var httpCode = 0, value = this.currentvalue;
1042
1043         if (transport) {
1044             httpCode = transport.getStatus();
1045         }
1046         this.reset();
1047         if (httpCode === 404) {
1048             this.exists[value] = false;
1049             this.availableMessage(true);
1050         }
1051
1052     },
1053
1054     success: function(transport) {
1055         var httpCode = transport.getStatus(), value = this.currentvalue;
1056         this.reset();
1057         this.exists[value] = true;
1058         this.availableMessage(false);
1059     }
1060 };
1061
1062 var Nominatim = (function() {
1063     var presubmit = function() {
1064         var input = $("nominatim-search");
1065         if (input.value.strip().empty()) {
1066             $("nominatim-message").setMessage(SyjStrings.notEmptyField, "warn");
1067             input.activate();
1068             return false;
1069         }
1070         $("nominatim-suggestions").hide();
1071         $("nominatim-message").hide();
1072         $("nominatim-throbber").show();
1073         return true;
1074     };
1075
1076     var zoomToExtent = function(bounds) { // we must call map.setCenter with forceZoomChange to true. See ol#2798
1077         var center = bounds.getCenterLonLat();
1078         if (this.baseLayer.wrapDateLine) {
1079             var maxExtent = this.getMaxExtent();
1080             bounds = bounds.clone();
1081             while (bounds.right < bounds.left) {
1082                 bounds.right += maxExtent.getWidth();
1083             }
1084             center = bounds.getCenterLonLat().wrapDateLine(maxExtent);
1085         }
1086         this.setCenter(center, this.getZoomForExtent(bounds), false, true);
1087     };
1088
1089     var success = function(transport) {
1090         $("nominatim-throbber").hide();
1091
1092         if (!transport.responseJSON || !transport.responseJSON.length) {
1093             $("nominatim-message").setMessage(SyjStrings.noResult, 'error');
1094             $("nominatim-search").activate();
1095             return;
1096         }
1097
1098         var place = transport.responseJSON[0],
1099             bbox = place.boundingbox;
1100
1101         if (!bbox || bbox.length !== 4) {
1102             $("nominatim-message").setMessage(SyjStrings.requestError, 'error');
1103             return;
1104         }
1105
1106         extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
1107         zoomToExtent.call(SYJView.map, extent);
1108
1109         $("nominatim-suggestions-list").update();
1110
1111         var clickhandler = function(bbox) {
1112             return function(evt) {
1113                 evt.stop();
1114                 var extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
1115                 $("nominatim-suggestions-list").select("li").invoke('removeClassName', 'current');
1116                 evt.target.up('li').addClassName('current');
1117                 SYJView.map.zoomToExtent(extent);
1118             };
1119         };
1120
1121         for (var i = 0; i < transport.responseJSON.length; i++) {
1122             var item = transport.responseJSON[i];
1123             if (item.display_name && item.boundingbox && item.boundingbox.length === 4) {
1124                 var li = new Element("li");
1125                 var anchor = new Element("a", {
1126                     href: "",
1127                     className: "nominatim-suggestions-link"
1128                 });
1129
1130                 anchor.observe('click', clickhandler(item.boundingbox));
1131                 Element.text(anchor, item.display_name);
1132
1133                 var icon = new Element("img", {
1134                     className: "nominatim-suggestions-icon",
1135                     src: item.icon || 'icons/world.png'
1136                 });
1137                 li.insert(icon).insert(anchor);
1138                 $("nominatim-suggestions-list").insert(li);
1139                 if ($("nominatim-suggestions-list").childNodes.length >= 6) {
1140                     break;
1141                 }
1142             }
1143         }
1144
1145         if ($("nominatim-suggestions-list").childNodes.length > 1) {
1146             var bottomOffset = $('data_controls').measure('height') + 3;
1147             $("nominatim-suggestions").setStyle({
1148                 bottom: (document.viewport.getHeight() - $('data_controls').cumulativeOffset().top + 3).toString() + 'px'
1149             }).show();
1150             $("nominatim-suggestions-list").select("li:first-child")[0].addClassName('current');
1151         } else {
1152             $("nominatim-suggestions").hide();
1153         }
1154
1155     };
1156
1157     var failure = function(transport) {
1158         $("nominatim-throbber").hide();
1159
1160         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
1161
1162         if (transport) {
1163             httpCode = transport.getStatus();
1164         }
1165
1166         switch (httpCode) {
1167             case 0:
1168                 message = SyjStrings.notReachedError;
1169             break;
1170             case 400:
1171             case 404:
1172                 message = SyjStrings.requestError;
1173             break;
1174             case 500:
1175                 message = SyjStrings.serverError;
1176             break;
1177         }
1178
1179         $("nominatim-message").setMessage(message, 'error');
1180     };
1181
1182     return {
1183         init: function() {
1184             if (!$("nominatim-form")) {
1185                return;
1186             }
1187             $("nominatim-controls").hide();
1188             $("nominatim-label").observe('click', function(evt) {
1189                 $("nominatim-controls").show();
1190                 $("nominatim-search").activate();
1191                 evt.stop();
1192             });
1193
1194             $("nominatim-form").ajaxize({
1195                 presubmit: presubmit,
1196                 onSuccess: success,
1197                 onFailure: failure
1198               });
1199             new CloseBtn($("nominatim-suggestions"));
1200
1201             $$("#nominatim-message, #nominatim-suggestions, #nominatim-throbber").invoke('hide');
1202         }
1203     };
1204 }());
1205
1206 document.observe("dom:loaded", function() {
1207     SYJLogin.init();
1208     SYJUser.init();
1209     SYJDataUi.viewmode();
1210     SYJView.init();
1211     SYJNewpwd.init();
1212     LoginMgr.updateUI();
1213     Nominatim.init();
1214 });
1215
1216 window.onbeforeunload = function() {
1217     if (SYJView.unsavedRoute) {
1218         return SyjStrings.unsavedConfirmExit;
1219     } else {
1220         return undefined;
1221     }
1222 };