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, 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             // XXX: ie has not guessed height of map main div yet during map
 345             // initialisation. Now, it will read it correctly.
 346             this.map.updateSize();
 347             this.map.zoomToExtent(this.viewLayer.getDataExtent());
 348         } else {
 349             this.initMaPos(gInitialPos);
 350         }
 351
 352         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 353         SYJPathLength.update();
 354
 355         if (window.FileList && window.FileReader) {
 356             $("map").observe("dragenter", function(evt) { evt.stop();});
 357             $("map").observe("dragover", function(evt) { evt.stop();});
 358             $("map").observe("drop", function(evt) {
 359                 evt.stop();
 360                 if (this.mode !== "view" || this.viewLayer.features.length) {
 361                     return;
 362                 }
 363                 if (!evt.dataTransfer.files.length) {
 364                     return;
 365                 }
 366                 var file = evt.dataTransfer.files[0];
 367                 var reader = new FileReader();
 368                 var readerror = function() {
 369                     this.messenger.setMessage(SyjStrings.dragFileError, "warn");
 370                 }.bind(this);
 371                 reader.onload = function(evt) {
 372                     if (evt.error) {
 373                         readerror();
 374                         return;
 375                     }
 376
 377                     var results = null;
 378                     var content = evt.target.result;
 379
 380                     var engine, i;
 381                     var formats = ['KML', 'GPX'];
 382
 383                     for (i = 0; i < formats.length; i++) {
 384                         engine = new OpenLayers.Format[formats[i]]({ internalProjection: Mercator, externalProjection: WGS84 });
 385                         try {
 386                             results = engine.read(content);
 387                         } catch(e) {
 388                         }
 389                         if (results || results.length) {
 390                             continue;
 391                         }
 392                     }
 393                     if (!results || !results.length) {
 394                         readerror();
 395                         return;
 396                     }
 397
 398
 399                     var vector = results[0];
 400                     if (vector.geometry.CLASS_NAME !== "OpenLayers.Geometry.LineString") {
 401                         readerror();
 402                         return;
 403                     }
 404                     this.viewLayer.addFeatures([vector]);
 405                     this.map.zoomToExtent(this.viewLayer.getDataExtent());
 406
 407                     if ($("edit-btn")) {
 408                         $("edit-btn").click();
 409                     } else if ($("create-btn")) {
 410                         $("create-btn").click();
 411                     }
 412
 413                     if (this.editControl.handler.realPoints.length < 2) {
 414                         SyjSaveUI.disable();
 415                     } else {
 416                         SyjSaveUI.enable();
 417                     }
 418
 419
 420                     if (vector.data && vector.data.name) {
 421                         $("geom_title").value = vector.data.name;
 422                     }
 423                  }.bind(this);
 424                 reader.readAsText(file);
 425            }.bind(this));
 426         }
 427     },
 428
 429     initMaPos: function (aPos) {
 430         var extent = null, center = null, zoom = 0;
 431
 432         if (aPos.hasOwnProperty('lon') && aPos.hasOwnProperty('lat') && aPos.hasOwnProperty('zoom')) {
 433             center = new OpenLayers.LonLat(parseFloat(aPos.lon), parseFloat(aPos.lat)).transform(WGS84, Mercator);
 434             zoom = parseInt(aPos.zoom);
 435         } else if (aPos.hasOwnProperty('minlon') && aPos.hasOwnProperty('minlat')
 436                     && aPos.hasOwnProperty('maxlon') && aPos.hasOwnProperty('maxlat')) {
 437             extent = new OpenLayers.Bounds(aPos.minlon, aPos.minlat, aPos.maxlon, aPos.maxlat)
 438                                          .transform(WGS84, Mercator);
 439         } else {
 440             extent = new OpenLayers.Bounds(-160, -70, 160, 70).transform(WGS84, Mercator);
 441         }
 442
 443         if (extent) {
 444             this.map.zoomToExtent(extent);
 445         } else {
 446             this.map.setCenter(center, zoom);
 447         }
 448     },
 449
 450     observer: function(evt) {
 451         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 452             this.messenger.hide();
 453         }
 454     },
 455
 456     prepareForm: function(form) {
 457         if (!LoginMgr.logged && !$("geom_accept").checked) {
 458             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 459             $("geom_accept_container").highlight('#F08080');
 460             $("geom_accept").activate();
 461             return false;
 462         }
 463
 464         var line, realPoints, idx;
 465
 466         line = new OpenLayers.Geometry.LineString();
 467         realPoints = this.editControl.handler.realPoints;
 468         for (idx = 0; idx < realPoints.length; idx++) {
 469             line.addComponent(realPoints[idx].geometry.clone());
 470         }
 471         this.viewLayer.addFeatures(new OpenLayers.Feature.Vector(line));
 472
 473         this.viewMode();
 474
 475         $("geom_data").value = this.wkt.write(new OpenLayers.Feature.Vector(line));
 476         if (this.mode === "edit" && typeof gLoggedInfo.pathid !== "undefined") {
 477             $("geomform").setAttribute("action", "path/" + gLoggedInfo.pathid.toString() + '/update');
 478         } else {
 479             $("geomform").setAttribute("action", "path");
 480         }
 481         this.needsFormResubmit = false;
 482         SyjSaveUI.disable.bind(SyjSaveUI).defer();
 483         this.messenger.hide();
 484         return true;
 485     },
 486
 487     viewMode: function() {
 488         var handler = this.editControl.handler;
 489         OpenLayers.Handler.ModifiablePath.prototype.finalize.apply(handler, arguments);
 490         // we need to recreate them on next createFeature; otherwise
 491         // they'll reference destroyed features
 492         delete(handler.handlers.drag);
 493         delete(handler.handlers.feature);
 494         this.editControl.deactivate();
 495     },
 496
 497     editMode: function() {
 498         var components, point0, point, pixels, pixel, idx;
 499
 500         this.initEditControl();
 501
 502         this.editControl.activate();
 503         if (this.viewLayer.features.length) {
 504             components = this.viewLayer.features[0].geometry.components;
 505             point0 = components[0];
 506             if (point0) {
 507                 pixel = this.map.getPixelFromLonLat(new OpenLayers.LonLat(point0.x, point0.y));
 508                 this.editControl.handler.createFeature(pixel);
 509                 this.editControl.handler.lastUp = pixel;
 510                 pixels = [];
 511                 for (idx = 1; idx < components.length; idx++) {
 512                     point = components[idx];
 513                     pixels.push(this.map.getPixelFromLonLat(new OpenLayers.LonLat(point.x, point.y)));
 514                 }
 515                 this.editControl.handler.addPoints(pixels);
 516             }
 517             this.unsavedRoute = {
 518                 features: this.viewLayer.features.invoke('clone'),
 519                 title: $("geom_title").value
 520             };
 521         }
 522
 523         this.viewLayer.destroyFeatures();
 524
 525         SYJDataUi.editmode();
 526         if (this.editControl.handler.realPoints && this.editControl.handler.realPoints.length >= 2) {
 527             SyjSaveUI.disableSubmit();
 528         } else {
 529             SyjSaveUI.disable();
 530         }
 531     },
 532
 533     initEditControl: function() {
 534         var styles;
 535
 536         if (this.editControl) {
 537             return;
 538         }
 539
 540         this.editControl = new OpenLayers.Control.DrawFeature(new OpenLayers.Layer.Vector(), OpenLayers.Handler.SyjModifiablePath, {
 541             callbacks: {
 542                 modify: function(f, line) {
 543                     SYJPathLength.update();
 544                     if (!SYJView.unsavedRoute) {
 545                         SYJView.unsavedRoute = {};
 546                     }
 547                     if (this.handler.realPoints.length < 2) {
 548                         SyjSaveUI.disable();
 549                     } else {
 550                         SyjSaveUI.enable();
 551                     }
 552                 }
 553             },
 554
 555             handlerOptions: {
 556                 layerOptions: {
 557                     styleMap: styleMap.edit
 558                 }
 559             }
 560         });
 561         this.map.addControl(this.editControl);
 562         if (this.editControl.layer.renderer instanceof OpenLayers.Renderer.Canvas) {
 563             // using externalGraphic with canvas renderer is definitively too buggy
 564             styles = this.editControl.handler.layerOptions.styleMap.styles;
 565             styles.select = styles.select_for_canvas;
 566         }
 567     },
 568
 569     saveSuccess: function(transport) {
 570       this.unsavedRoute = null;
 571
 572       if (transport.responseJSON && (typeof transport.responseJSON.redirect === "string")) {
 573           location = transport.responseJSON.redirect;
 574           return;
 575       }
 576
 577       this.messenger.setMessage(SyjStrings.saveSuccess, "success");
 578       SYJDataUi.viewmode();
 579       document.title = $('geom_title').value;
 580     },
 581
 582     saveFailure: function(transport) {
 583         var httpCode = 0, message = "";
 584
 585         if (transport) {
 586             httpCode = transport.getStatus();
 587         }
 588         switch (httpCode) {
 589             case 0:
 590                 message = SyjStrings.notReachedError;
 591             break;
 592             case 400:
 593             case 404:
 594                 message = SyjStrings.requestError;
 595                 if (transport.responseJSON) {
 596                     switch (transport.responseJSON.message) {
 597                         case "uniquepath":
 598                             message = SyjStrings.uniquePathError;
 599                         break;
 600                         default:
 601                         break;
 602                     }
 603                 }
 604             break;
 605             case 403:
 606                 message = "";
 607                 SYJLogin.messenger.setMessage(SyjStrings.loginNeeded, "warn");
 608                 SYJLogin.modalbox.show();
 609                 this.needsFormResubmit = true;
 610             break;
 611             case 410:
 612                 message = SyjStrings.gonePathError;
 613             break;
 614             case 500:
 615                 message = SyjStrings.serverError;
 616                 this.needsFormResubmit = true;
 617             break;
 618             default:
 619                 message = SyjStrings.unknownError;
 620             break;
 621         }
 622
 623         this.editMode();
 624         // is some cases, we let the user resubmit, in some other cases, he
 625         // needs to modify the path before submitting again
 626         if (this.needsFormResubmit) {
 627             SyjSaveUI.enable();
 628         }
 629
 630         this.messenger.setMessage(message, "error");
 631     }
 632 };
 633
 634 var SYJModalClass = Class.create({
 635     type: "",
 636
 637     init: function() {
 638         this.area = $(this.type + '_area');
 639         this.messenger = $(this.type + "_message");
 640         this.modalbox = new SimpleBox(this.area, {
 641             closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 642         });
 643
 644         $(this.type + "_control_anchor").observe("click", function(evt) {
 645             this.modalbox.show();
 646             evt.stop();
 647         }.bindAsEventListener(this));
 648
 649         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 650         document.observe('simplebox:hidden', this.observer.bindAsEventListener(this));
 651
 652         $(this.type + "form").ajaxize({
 653             presubmit: this.presubmit.bind(this),
 654             onSuccess: this.success.bind(this),
 655             onFailure: this.failure.bind(this)
 656         });
 657     },
 658
 659     checkNotEmpty: function(input, message) {
 660         if ($(input).value.strip().empty()) {
 661             this.messenger.setMessage(message, "warn");
 662             $(input).highlight('#F08080').activate();
 663             return false;
 664         }
 665         return true;
 666     },
 667
 668     observer: function(evt) {
 669         var simplebox, input;
 670
 671         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 672             simplebox = evt.memo;
 673             if (simplebox === this.modalbox) {
 674                 input = this.area.select('input[type="text"]')[0];
 675                 (function () {
 676                     input.activate();
 677                 }).defer();
 678             } else {
 679                 this.modalbox.hide();
 680             }
 681
 682         } else if (evt.eventName === "simplebox:hidden" && evt.memo.element !== $("termsofusearea")) {
 683             simplebox = evt.memo;
 684             if (simplebox === this.modalbox) {
 685                 this.reset();
 686             }
 687         }
 688     },
 689
 690     failure: function(transport) {
 691         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
 692
 693         if (transport) {
 694             httpCode = transport.getStatus();
 695         }
 696
 697         switch (httpCode) {
 698             case 0:
 699                 message = SyjStrings.notReachedError;
 700             break;
 701             case 400:
 702             case 404:
 703             case 410:
 704                 message = SyjStrings.requestError;
 705             break;
 706             case 500:
 707                 message = SyjStrings.serverError;
 708             break;
 709         }
 710
 711         this.messenger.setMessage(message, "error");
 712         input = this.area.select('input[type="text"]')[0];
 713         input.highlight('#F08080').activate();
 714     },
 715
 716     reset: function() {
 717         this.messenger.hide();
 718         this.area.select('.message').invoke('setMessageStatus', null);
 719     }
 720 });
 721
 722 var SYJUserClass = Class.create(SYJModalClass, {
 723     type: "user",
 724     toubox: null,
 725
 726     init: function($super) {
 727         $super();
 728         $("termsofusearea").hide();
 729
 730         $$("#user_termsofuse_anchor, #geom_termsofuse_anchor").invoke('observe', "click", function(evt) {
 731             if (!this.toubox) {
 732                 this.toubox = new SimpleBox($("termsofusearea"), {
 733                     closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 734                 });
 735             }
 736             this.toubox.show();
 737             if (!$("termsofuseiframe").getAttribute("src")) {
 738                 $("termsofusearea").show();
 739                 $("termsofuseiframe").setAttribute("src", evt.target.href);
 740             }
 741             evt.stop();
 742         }.bindAsEventListener(this));
 743
 744         $$("#login_area_create > a").invoke('observe', 'click',
 745             function(evt) {
 746                 this.modalbox.show();
 747                 evt.stop();
 748             }.bindAsEventListener(this));
 749
 750         $("user_pseudo-desc").hide();
 751         $("user_pseudo").observe('contentchange', function(evt) {
 752             var value = evt.target.value;
 753             PseudoChecker.reset();
 754             if (value && !(value.match(/^[a-zA-Z0-9_.]+$/))) {
 755                 $("user_pseudo-desc").show().setMessageStatus("warn");
 756             } else {
 757                 $("user_pseudo-desc").hide();
 758             }
 759         }).timedobserve(function() {
 760             PseudoChecker.check();
 761         });
 762
 763         $("user_password").observe('contentchange', function(evt) {
 764             if (evt.target.value.length < 6) {
 765                 $("user_password-desc").setMessageStatus("warn");
 766             } else {
 767                 $("user_password-desc").setMessageStatus("success");
 768             }
 769         }.bindAsEventListener(this));
 770
 771         $('account-create-anchor').insert({after: new Toggler('account-info').element});
 772     },
 773
 774     presubmit: function() {
 775         this.messenger.hide();
 776         PseudoChecker.reset();
 777         if (!(this.checkNotEmpty("user_pseudo", SyjStrings.userEmptyWarn))) {
 778             return false;
 779         }
 780
 781         if (!($("user_pseudo").value.match(/^[a-zA-Z0-9_.]+$/))) {
 782             $("user_pseudo-desc").show().setMessageStatus("warn");
 783             $("user_pseudo").highlight('#F08080').activate();
 784             return false;
 785         }
 786
 787         if (PseudoChecker.exists[$("user_pseudo").value]) {
 788             PseudoChecker.availableMessage(false);
 789             $("user_pseudo").highlight('#F08080').activate();
 790             return false;
 791         }
 792
 793         if (!(this.checkNotEmpty("user_password", SyjStrings.passwordEmptyWarn))) {
 794             return false;
 795         }
 796
 797         if ($("user_password").value.length < 6) {
 798             $("user_password-desc").setMessageStatus("warn");
 799             $("user_password").highlight('#F08080').activate();
 800             return false;
 801         }
 802
 803         if ($("user_password").value !== $("user_password_confirm").value) {
 804             this.messenger.setMessage(SyjStrings.passwordNoMatchWarn, "warn");
 805             $("user_password").highlight('#F08080').activate();
 806             return false;
 807         }
 808
 809         if (!(this.checkNotEmpty("user_email", SyjStrings.emailEmptyWarn))) {
 810             return false;
 811         }
 812
 813         if (!$("user_accept").checked) {
 814             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 815             $("user_accept_container").highlight('#F08080');
 816             $("user_accept").activate();
 817             return false;
 818         }
 819
 820         this.reset();
 821         return true;
 822     },
 823
 824     success: function(transport) {
 825         if (!transport.responseJSON ||
 826             typeof transport.responseJSON.pseudo !== "string"
 827             ) {
 828             this.messenger.setMessage(SyjStrings.unknownError, "error");
 829             return;
 830         }
 831
 832         LoginMgr.login(transport.responseJSON.pseudo);
 833         SYJView.messenger.setMessage(SyjStrings.userSuccess, "success");
 834         this.modalbox.hide();
 835         if (SYJView.needsFormResubmit) {
 836             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 837             $("geom_submit").activate();
 838         }
 839     },
 840
 841     failure: function($super, transport) {
 842         var httpCode = 0, focusInput = null, message = "";
 843
 844         if (transport) {
 845             httpCode = transport.getStatus();
 846         }
 847
 848         focusInput = null;
 849         message = "";
 850
 851         switch (httpCode) {
 852             case 400:
 853                 if (transport.responseJSON) {
 854                     switch (transport.responseJSON.message) {
 855                         case "invalidemail":
 856                             message = SyjStrings.emailInvalidWarn;
 857                             focusInput = $("user_email");
 858                         break;
 859                         case "uniquepseudo":
 860                             PseudoChecker.availableMessage(false);
 861                             focusInput = $("user_pseudo");
 862                         break;
 863                         case "uniqueemail":
 864                             message = SyjStrings.uniqueEmailError;
 865                             focusInput = $("user_email");
 866                         break;
 867                     }
 868                 }
 869             break;
 870         }
 871
 872         if (focusInput) {
 873             if (message) {
 874                 this.messenger.setMessage(message, "error");
 875             }
 876             focusInput.highlight('#F08080').activate();
 877             return;
 878         }
 879
 880         $super(transport);
 881     }
 882 });
 883 var SYJUser = new SYJUserClass();
 884
 885 var SYJLoginClass = Class.create(SYJModalClass, {
 886     type: "login",
 887
 888     init: function($super) {
 889         $super();
 890     },
 891
 892     presubmit: function() {
 893         this.messenger.hide();
 894         if (!(this.checkNotEmpty("login_user", SyjStrings.userEmptyWarn))) {
 895             return false;
 896         }
 897
 898         this.reset();
 899         return true;
 900     },
 901
 902     success: function(transport) {
 903         if (!transport.responseJSON ||
 904             typeof transport.responseJSON.iscreator !== "boolean" ||
 905             typeof transport.responseJSON.pseudo !== "string"
 906             ) {
 907             this.messenger.setMessage(SyjStrings.unknownError, "error");
 908             return;
 909         }
 910         LoginMgr.login(transport.responseJSON.pseudo, transport.responseJSON.iscreator);
 911
 912         SYJView.messenger.setMessage(SyjStrings.loginSuccess, "success");
 913         this.modalbox.hide();
 914         if (SYJView.needsFormResubmit) {
 915             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 916             $("geom_submit").activate();
 917         }
 918     },
 919
 920     failure: function($super, transport) {
 921         var httpCode = 0, focusInput = null, message = "";
 922
 923         if (transport) {
 924             httpCode = transport.getStatus();
 925         }
 926
 927         focusInput = null;
 928         message = "";
 929
 930         switch (httpCode) {
 931             case 403:
 932                 message = SyjStrings.loginFailure;
 933                 focusInput = $("login_user");
 934             break;
 935         }
 936
 937         if (message) {
 938             this.messenger.setMessage(message, "error");
 939             if (focusInput) {
 940                 focusInput.highlight('#F08080').activate();
 941             }
 942             return;
 943         }
 944
 945         $super(transport);
 946     }
 947 });
 948 var SYJLogin = new SYJLoginClass();
 949
 950 var SYJNewpwdClass = Class.create(SYJModalClass, {
 951     type: "newpwd",
 952
 953     presubmit: function() {
 954         if (!(this.checkNotEmpty("newpwd_email", SyjStrings.emailEmptyWarn))) {
 955             return false;
 956         }
 957         this.reset();
 958         return true;
 959     },
 960     success: function(transport) {
 961         SYJView.messenger.setMessage(SyjStrings.newpwdSuccess, "success");
 962         this.modalbox.hide();
 963     }
 964
 965 });
 966 var SYJNewpwd = new SYJNewpwdClass();
 967
 968 var LoginMgr = Object.extend(gLoggedInfo, {
 969     controlsdeck: null,
 970
 971     updateUI: function() {
 972         if (!this.controlsdeck) {
 973             this.controlsdeck = new Deck("login_controls");
 974         }
 975         if (this.logged) {
 976             this.controlsdeck.setIndex(1);
 977             $$(".logged-hide").invoke('hide');
 978             $$(".logged-show").invoke('show');
 979         } else {
 980             this.controlsdeck.setIndex(0);
 981             $$(".logged-hide").invoke('show');
 982             $$(".logged-show").invoke('hide');
 983         }
 984
 985         if ($("edit-btn")) {
 986             if (this.iscreator && SYJView.mode === 'view') {
 987                 $("edit-btn").show();
 988             } else {
 989                 $("edit-btn").hide();
 990             }
 991         }
 992     },
 993
 994     login: function(aPseudo, aIsCreator) {
 995         if (typeof aIsCreator === "boolean") {
 996             this.iscreator = aIsCreator;
 997         }
 998         this.logged = true;
 999         $$('.logged-pseudo').each(function(elt) {
1000             $A(elt.childNodes).filter(function(node) {
1001                 return (node.nodeType === 3 || node.tagName.toLowerCase() === 'br');
1002             }).each(function(node) {
1003                 node.nodeValue = node.nodeValue.replace('%s', aPseudo);
1004             });
1005         });
1006         this.updateUI();
1007     }
1008 });
1009
1010 var PseudoChecker = {
1011     req: null,
1012     exists: {},
1013     currentvalue: null,
1014     messageelt: null,
1015     throbber: null,
1016
1017     message: function(str, status, throbber) {
1018         var row;
1019         if (!this.messageelt) {
1020             row = new Element('tr');
1021             // we can't use row.update('<td></td><td><div></div></td>')
1022             // because gecko would mangle the <td>s
1023             row.insert(new Element('td'))
1024                .insert((new Element('td')).update(new Element('div')));
1025
1026             $("user_pseudo").up('tr').insert({after: row});
1027             this.messageelt = new Element('span');
1028             this.throbber = new Element("img", { src: "icons/throbber.gif"});
1029             row.down('div').insert(this.throbber).insert(this.messageelt);
1030         }
1031         if (throbber) {
1032             this.throbber.show();
1033         } else {
1034             this.throbber.hide();
1035         }
1036         this.messageelt.up().setStyle({visibility: ''});
1037         this.messageelt.className = status;
1038         this.messageelt.update(str);
1039     },
1040
1041     availableMessage: function(available) {
1042         var message = available ? SyjStrings.availablePseudo: SyjStrings.unavailablePseudo,
1043             status = available ? "success": "warn";
1044         this.message(message, status, false);
1045     },
1046
1047     reset: function() {
1048         if (this.req) {
1049             this.req.abort();
1050             this.req = this.currentvalue = null;
1051         }
1052         if (this.messageelt) {
1053             this.messageelt.up().setStyle({visibility: 'hidden'});
1054         }
1055     },
1056
1057     check: function() {
1058         var pseudo = $("user_pseudo").value;
1059
1060         this.reset();
1061
1062         if (!pseudo || !(pseudo.match(/^[a-zA-Z0-9_.]+$/))) {
1063             return;
1064         }
1065
1066         if (typeof this.exists[pseudo] === "boolean") {
1067             this.reset();
1068             this.availableMessage(!this.exists[pseudo]);
1069             return;
1070         }
1071
1072         this.message(SyjStrings.pseudoChecking, "", true);
1073
1074         this.currentvalue = pseudo;
1075         this.req = new Ajax.TimedRequest('userexists/' + encodeURIComponent(pseudo), 20, {
1076             onFailure: this.failure.bind(this),
1077             onSuccess: this.success.bind(this)
1078         });
1079     },
1080
1081     failure: function(transport) {
1082         var httpCode = 0, value = this.currentvalue;
1083
1084         if (transport) {
1085             httpCode = transport.getStatus();
1086         }
1087         this.reset();
1088         if (httpCode === 404) {
1089             this.exists[value] = false;
1090             this.availableMessage(true);
1091         }
1092
1093     },
1094
1095     success: function(transport) {
1096         var httpCode = transport.getStatus(), value = this.currentvalue;
1097         this.reset();
1098         this.exists[value] = true;
1099         this.availableMessage(false);
1100     }
1101 };
1102
1103 var Nominatim = (function() {
1104     var presubmit = function() {
1105         var input = $("nominatim-search");
1106         if (input.value.strip().empty()) {
1107             $("nominatim-message").setMessage(SyjStrings.notEmptyField, "warn");
1108             input.activate();
1109             return false;
1110         }
1111         $("nominatim-suggestions").hide();
1112         $("nominatim-message").hide();
1113         $("nominatim-throbber").show();
1114         return true;
1115     };
1116
1117     var zoomToExtent = function(bounds) { // we must call map.setCenter with forceZoomChange to true. See ol#2798
1118         var center = bounds.getCenterLonLat();
1119         if (this.baseLayer.wrapDateLine) {
1120             var maxExtent = this.getMaxExtent();
1121             bounds = bounds.clone();
1122             while (bounds.right < bounds.left) {
1123                 bounds.right += maxExtent.getWidth();
1124             }
1125             center = bounds.getCenterLonLat().wrapDateLine(maxExtent);
1126         }
1127         this.setCenter(center, this.getZoomForExtent(bounds), false, true);
1128     };
1129
1130     var success = function(transport) {
1131         $("nominatim-throbber").hide();
1132
1133         if (!transport.responseJSON || !transport.responseJSON.length) {
1134             $("nominatim-message").setMessage(SyjStrings.noResult, 'error');
1135             $("nominatim-search").activate();
1136             return;
1137         }
1138
1139         var place = transport.responseJSON[0],
1140             bbox = place.boundingbox;
1141
1142         if (!bbox || bbox.length !== 4) {
1143             $("nominatim-message").setMessage(SyjStrings.requestError, 'error');
1144             return;
1145         }
1146
1147         extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
1148         zoomToExtent.call(SYJView.map, extent);
1149
1150         $("nominatim-suggestions-list").update();
1151
1152         var clickhandler = function(bbox) {
1153             return function(evt) {
1154                 evt.stop();
1155                 var extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
1156                 $("nominatim-suggestions-list").select("li").invoke('removeClassName', 'current');
1157                 evt.target.up('li').addClassName('current');
1158                 SYJView.map.zoomToExtent(extent);
1159             };
1160         };
1161
1162         var i;
1163         for (i = 0; i < transport.responseJSON.length; i++) {
1164             var item = transport.responseJSON[i];
1165             if (item.display_name && item.boundingbox && item.boundingbox.length === 4) {
1166                 var li = new Element("li");
1167                 var anchor = new Element("a", {
1168                     href: "",
1169                     className: "nominatim-suggestions-link"
1170                 });
1171
1172                 anchor.observe('click', clickhandler(item.boundingbox));
1173                 Element.text(anchor, item.display_name);
1174
1175                 var icon = new Element("img", {
1176                     className: "nominatim-suggestions-icon",
1177                     src: item.icon || 'icons/world.png'
1178                 });
1179                 li.insert(icon).insert(anchor);
1180                 $("nominatim-suggestions-list").insert(li);
1181                 if ($("nominatim-suggestions-list").childNodes.length >= 6) {
1182                     break;
1183                 }
1184             }
1185         }
1186
1187         if ($("nominatim-suggestions-list").childNodes.length > 1) {
1188             var bottomOffset = $('data_controls').measure('height') + 3;
1189             $("nominatim-suggestions").setStyle({
1190                 bottom: (document.viewport.getHeight() - $('data_controls').cumulativeOffset().top + 3).toString() + 'px'
1191             }).show();
1192             $("nominatim-suggestions-list").select("li:first-child")[0].addClassName('current');
1193         } else {
1194             $("nominatim-suggestions").hide();
1195         }
1196
1197     };
1198
1199     var failure = function(transport) {
1200         $("nominatim-throbber").hide();
1201
1202         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
1203
1204         if (transport) {
1205             httpCode = transport.getStatus();
1206         }
1207
1208         switch (httpCode) {
1209             case 0:
1210                 message = SyjStrings.notReachedError;
1211             break;
1212             case 400:
1213             case 404:
1214                 message = SyjStrings.requestError;
1215             break;
1216             case 500:
1217                 message = SyjStrings.serverError;
1218             break;
1219         }
1220
1221         $("nominatim-message").setMessage(message, 'error');
1222     };
1223
1224     return {
1225         init: function() {
1226             if (!$("nominatim-form")) {
1227                return;
1228             }
1229             $("nominatim-controls").hide();
1230             $("nominatim-label").observe('click', function(evt) {
1231                 $("nominatim-controls").show();
1232                 $("nominatim-search").activate();
1233                 evt.stop();
1234             });
1235
1236             $("nominatim-form").ajaxize({
1237                 presubmit: presubmit,
1238                 onSuccess: success,
1239                 onFailure: failure
1240               });
1241             new CloseBtn($("nominatim-suggestions"));
1242
1243             $$("#nominatim-message, #nominatim-suggestions, #nominatim-throbber").invoke('hide');
1244         }
1245     };
1246 }());
1247
1248 document.observe("dom:loaded", function() {
1249     SYJLogin.init();
1250     SYJUser.init();
1251     SYJDataUi.viewmode();
1252     SYJView.init();
1253     SYJNewpwd.init();
1254     LoginMgr.updateUI();
1255     Nominatim.init();
1256 });
1257
1258 window.onbeforeunload = function() {
1259     if (SYJView.unsavedRoute) {
1260         return SyjStrings.unsavedConfirmExit;
1261     } else {
1262         return undefined;
1263     }
1264 };