public/js/syj.js

   1 /*  This file is part of Syj, Copyright (c) 2010-2011 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         $$("#geom_accept_container, #geom_title_container").invoke('removeClassName', "disabled");
  25         this.status = "enabled";
  26         return this;
  27     },
  28
  29     disable: function() {
  30         if (this.status === "disabled") {
  31             return this;
  32         }
  33         this.disableSubmit();
  34         $("geom_title").blur();
  35         $("geom_title").disabled = true;
  36         $$("#geom_accept_container, #geom_title_container").invoke('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                 var anchor = $("path-infos-anchor");
 104                 var parent = anchor.up('.menu-item');
 105                 if (parent) {
 106                     anchor = parent;
 107                 }
 108                 anchor.observe('click', function(evt) {
 109                     evt.stop();
 110                     infotoggler.toggle(evt);
 111                 });
 112                 document.observe('toggler:open', function(evt) {
 113                     if (evt.memo === infotoggler) {
 114                         // XXX: update informations
 115                     }
 116                 });
 117             }
 118             return infotoggler;
 119         };
 120     return {
 121         viewmode: function() {
 122             getdeck().setIndex(0);
 123             if ($("path-infos")) {
 124                 getinfotoggler();
 125                 getinfotoggler().close();
 126                 $("path-infos").show();
 127             }
 128         },
 129         editmode: function() {
 130             getdeck().setIndex(1);
 131             if ($("path-infos")) {
 132                 $("path-infos").hide();
 133             }
 134         }
 135     };
 136 }());
 137
 138 OpenLayers.Handler.SyjModifiablePath = OpenLayers.Class(OpenLayers.Handler.ModifiablePath, {
 139     mouseup: function(evt) {
 140         // do not add a point when navigating
 141         var mapControls = this.control.map.controls, idx, ctrl;
 142
 143         for (idx = mapControls.length; idx-->0; ) {
 144             ctrl = mapControls[idx];
 145             if (this.isCtrlNavigationActive(ctrl, evt)) {
 146                 return true;
 147             }
 148         }
 149         return OpenLayers.Handler.ModifiablePath.prototype.mouseup.apply(this, arguments);
 150     },
 151
 152     addPoints: function(pixel) {
 153         // redraw before last point. As we have a special style for last point, we
 154         // need to redraw before last point after adding a new point (otherwise, it
 155         // keeps special style forever)
 156         var oldpoint = this.point;
 157         OpenLayers.Handler.ModifiablePath.prototype.addPoints.apply(this, arguments);
 158         this.layer.drawFeature(oldpoint);
 159     },
 160
 161     isCtrlNavigationActive: function(ctrl, evt) {
 162         var tolerance = 4, xDiff, yDiff;
 163
 164         if (!(ctrl instanceof OpenLayers.Control.Navigation)) {
 165             return false;
 166         }
 167
 168         if (ctrl.zoomBox &&
 169             ctrl.zoomBox.active &&
 170             ctrl.zoomBox.handler &&
 171             ctrl.zoomBox.handler.active &&
 172             ctrl.zoomBox.handler.dragHandler &&
 173             ctrl.zoomBox.handler.dragHandler.start) {
 174             return true;
 175         }
 176
 177         if (!ctrl.dragPan ||
 178             !ctrl.dragPan.active ||
 179             !ctrl.dragPan.handler ||
 180             !ctrl.dragPan.handler.started ||
 181             !ctrl.dragPan.handler.start) {
 182             return false;
 183         }
 184
 185         // if mouse moved 4 or less pixels, consider it has not moved.
 186         tolerance = 4;
 187
 188         xDiff = evt.xy.x - ctrl.dragPan.handler.start.x;
 189         yDiff = evt.xy.y - ctrl.dragPan.handler.start.y;
 190
 191         if (Math.sqrt(Math.pow(xDiff,2) + Math.pow(yDiff,2)) <= tolerance) {
 192             return false;
 193         }
 194         return true;
 195     },
 196
 197     finalize: function(cancel) {
 198         // do nothing. We don't want to finalize path
 199     }
 200 });
 201
 202 var styleMap = {
 203     edit: new OpenLayers.StyleMap({
 204         "default": new OpenLayers.Style({
 205             pointRadius: "${radius}", // sized according to type attribute
 206             fillColor: "#ffcc66",
 207             strokeColor: "#ff9933",
 208             strokeWidth: 2,
 209             strokeOpacity: "${opacity}",
 210             fillOpacity: "${opacity}"
 211         },
 212         {
 213             context: {
 214                 radius: function(feature) {
 215                     var features;
 216
 217                     if (!(feature.geometry instanceof OpenLayers.Geometry.Point)) {
 218                         return 0;
 219                     }
 220                     if (feature.type === "middle") {
 221                         return 4;
 222                     }
 223                     features = feature.layer.features;
 224                     if (OpenLayers.Util.indexOf(features, feature) === 0) {
 225                         return 5;
 226                     } else if (OpenLayers.Util.indexOf(features, feature) === features.length - 1) {
 227                         return 5;
 228                     }
 229                     return 3;
 230                 },
 231                 opacity: function (feature) {
 232                     if (feature.type === "middle") {
 233                         return 0.5;
 234                     } else {
 235                         return 1;
 236                     }
 237                 }
 238             }
 239         }),
 240
 241         "select": new OpenLayers.Style({
 242             externalGraphic: "icons/delete.png",
 243             graphicHeight: 16
 244         }),
 245
 246         "select_for_canvas": new OpenLayers.Style({
 247             strokeColor: "blue",
 248             fillColor: "lightblue"
 249         })
 250
 251     }),
 252
 253     view: new OpenLayers.StyleMap({
 254         "default": new OpenLayers.Style({
 255             strokeColor: "blue",
 256             strokeWidth: 5,
 257             strokeOpacity: 0.7
 258         })
 259     })
 260 };
 261
 262 var WGS84 = new OpenLayers.Projection("EPSG:4326");
 263 var Mercator = new OpenLayers.Projection("EPSG:900913");
 264
 265 var SYJView = {
 266     viewLayer: null,
 267     editControl: null,
 268     map: null,
 269     wkt: new OpenLayers.Format.WKT({ internalProjection: Mercator, externalProjection: WGS84 }),
 270     needsFormResubmit: false,
 271     unsavedRoute: null,
 272     mode: 'view',
 273
 274     init: function() {
 275         var externalGraphic, baseURL, osmLayer, layerOptions, hidemessenger, layerCode, parameters;
 276
 277         // is svg context, opera does not resolve links with base element is svg context
 278         externalGraphic = styleMap.edit.styles.select.defaultStyle.externalGraphic;
 279         baseURL = document.getElementsByTagName("base")[0].href;
 280         styleMap.edit.styles.select.defaultStyle.externalGraphic = baseURL + externalGraphic;
 281
 282         this.map = new OpenLayers.Map('map', {
 283             controls: [
 284                 new OpenLayers.Control.Navigation(),
 285                 new OpenLayers.Control.PanZoom(),
 286                 this.createLayerSwitcher(),
 287                 new OpenLayers.Control.Attribution()
 288             ],
 289             theme: null
 290         });
 291
 292         osmLayer = new OpenLayers.Layer.OSM("OSM", [
 293                 'http://a.tile.openstreetmap.org/${z}/${x}/${y}.png',
 294                 'http://b.tile.openstreetmap.org/${z}/${x}/${y}.png',
 295                 'http://c.tile.openstreetmap.org/${z}/${x}/${y}.png'],
 296                 { wrapDateLine: true , attribution: SyjStrings.osmAttribution, layerCode: 'O'});
 297
 298         mapquestLayer = new OpenLayers.Layer.OSM("Mapquest", [
 299             'http://otile1.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
 300             'http://otile2.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
 301             'http://otile3.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
 302             'http://otile4.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png'],
 303                 { wrapDateLine: true , attribution: SyjStrings.mapquestAttribution, layerCode: 'M'});
 304
 305         layerOptions = {format:     OpenLayers.Format.WKT,
 306                         projection: WGS84,
 307                         styleMap:   styleMap.view,
 308                         attribution: SyjStrings.geomAttribution };
 309
 310         this.viewLayer = new OpenLayers.Layer.Vector("View Layer", layerOptions);
 311         this.map.addLayers([osmLayer, mapquestLayer, this.viewLayer]);
 312
 313         this.map.setBaseLayer(mapquestLayer);
 314         layerCode = null;
 315         parameters = OpenLayers.Util.getParameters(window.location.href);
 316         if (parameters.layer) {
 317             layerCode = parameters.layer;
 318             try {
 319                 store.remove('baselayer');
 320             } catch(e) {}
 321         } else {
 322             try {
 323                 layerCode = store.get('baselayer');
 324             } catch(e) {}
 325         }
 326
 327         if (layerCode) {
 328             layerCode = layerCode.toUpperCase();
 329             var self = this;
 330             $([osmLayer, mapquestLayer]).each(function(layer) {
 331                 if (layer.layerCode === layerCode) {
 332                     self.map.setBaseLayer(layer);
 333                 }
 334             });
 335         }
 336
 337
 338         this.map.events.register("changebaselayer", this, this.saveBaseLayer);
 339
 340         if ($("edit-btn")) {
 341             $("edit-btn").observe('click', function() {
 342                 $("geom_submit").value = SyjStrings.editAction;
 343                 this.messenger.hide();
 344                 this.editMode();
 345                 this.mode = 'edit';
 346             }.bind(this));
 347         }
 348
 349         if ($("create-btn")) {
 350             $("create-btn").observe('click', function() {
 351                 $("geom_submit").value = SyjStrings.createAction;
 352                 this.messenger.hide();
 353                 this.editMode();
 354                 this.mode = 'create';
 355             }.bind(this));
 356         }
 357
 358         if ($("clone-btn")) {
 359             $("clone-btn").observe('click', function() {
 360                 $("geom_submit").value = SyjStrings.cloneAction;
 361                 $("geom_title").value = "";
 362                 this.messenger.hide();
 363                 this.editMode();
 364                 this.mode = 'create';
 365             }.bind(this));
 366         }
 367
 368         $("geomform").ajaxize({
 369                 presubmit: this.prepareForm.bind(this),
 370                 onSuccess: this.saveSuccess.bind(this),
 371                 onFailure: this.saveFailure.bind(this)
 372                 });
 373         SyjSaveUI.init();
 374
 375         this.messenger = $('message');
 376         hidemessenger = this.messenger.empty();
 377         new CloseBtn(this.messenger, {
 378             style: {
 379                 margin: "-1em"
 380             }
 381         });
 382         if (hidemessenger) {
 383             this.messenger.hide();
 384         }
 385
 386         if (typeof gInitialGeom !== "undefined" && typeof gInitialGeom.data !== "undefined") {
 387             this.viewLayer.addFeatures([this.wkt.read(gInitialGeom.data)]);
 388             // XXX: ie has not guessed height of map main div yet during map
 389             // initialisation. Now, it will read it correctly.
 390             this.map.updateSize();
 391             this.map.zoomToExtent(this.viewLayer.getDataExtent());
 392         } else {
 393             this.initMaPos(gInitialPos);
 394         }
 395
 396         $("map-overlay").hide();
 397         $("geom_upload").observe('change', function(evt) {
 398             var file = null, reader = null, readerror = null;
 399             if (window.FileList && window.FileReader) {
 400                 file = evt.target.files[0];
 401                 reader = new FileReader();
 402                 readerror = function() {
 403                     this.messenger.setMessage(SyjStrings.uploadFileError, "warn");
 404                 }.bind(this);
 405                 reader.onload = function(evt) {
 406                     var data = null, results = null, engine = null, vector = null, i = 0, formats = ['KML', 'GPX', 'GeoJSON'];
 407
 408                     $("geom_upload_container").removeClassName("disabled");
 409                     $("geom_upload").disabled = false;
 410                     if (evt.error) {
 411                         readerror();
 412                         return;
 413                     }
 414                     data = evt.target.result;
 415
 416                     for (i = 0; i < formats.length; i++) {
 417                         engine = new OpenLayers.Format[formats[i]]({ internalProjection: Mercator, externalProjection: WGS84 });
 418                         try {
 419                             results = engine.read(data);
 420                         } catch(e) {
 421                         }
 422                         if (results && results.length) {
 423                             break;
 424                         }
 425                     }
 426                     if (!results || !results.length) {
 427                         readerror();
 428                         return;
 429                     }
 430
 431                     vector = results[0];
 432                     if (vector.geometry.CLASS_NAME !== "OpenLayers.Geometry.LineString") {
 433                         readerror();
 434                         return;
 435                     }
 436                     this.viewLayer.addFeatures([vector]);
 437                     this.map.zoomToExtent(this.viewLayer.getDataExtent());
 438
 439                     if ($("edit-btn")) {
 440                         $("edit-btn").click();
 441                     } else if ($("create-btn")) {
 442                         $("create-btn").click();
 443                     }
 444
 445                     if (this.editControl.handler.realPoints.length < 2) {
 446                         SyjSaveUI.disable();
 447                     } else {
 448                        SyjSaveUI.enable();
 449                     }
 450
 451                     if (vector.data && vector.data.name) {
 452                         $("geom_title").value = vector.data.name;
 453                     }
 454                 }.bind(this);
 455                 $("geom_upload_container").addClassName("disabled");
 456                 $("geom_upload").disabled = true;
 457                 reader.readAsText(file);
 458                 return;
 459             }
 460             $("map-overlay").show();
 461             SyjSaveUI.enable();
 462             this.editControl.deactivate();
 463         }.bind(this));
 464
 465         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 466         SYJPathLength.update();
 467     },
 468
 469     saveBaseLayer: function(data) {
 470         try {
 471             store.set('baselayer', data.layer.layerCode);
 472         } catch(e) {}
 473     },
 474
 475     createLayerSwitcher: function() {
 476         var control = new OpenLayers.Control.LayerSwitcher({roundedCorner: false});
 477         // XXX: we need to "live-patch" LayerSwitcher to use our icons. We use
 478         // a regexp instead of a string in case OpenLayers is modified and in
 479         // case browsers modify the function representation
 480         control.loadContents = eval('(function() { return (' + control.loadContents.toString().replace(
 481                     /\s*=\s*imgLocation\s*\+\s*['"]layer-switcher-maximize\.png['"]\s*;/,
 482                     " = 'icons/layer-switcher-maximize-flipped.png';"
 483                     ) + ')}())');
 484         var oldMaximizeControl = control.maximizeControl;
 485         var self = this;
 486         control.maximizeControl = (function(oldfunc) {
 487             return function() {
 488                 oldfunc.apply(control, arguments);
 489                 self.messenger.hide();
 490             };
 491         }(control.maximizeControl));
 492
 493         return control;
 494     },
 495
 496     initMaPos: function (aPos) {
 497         var extent = null, center = null, zoom = 0;
 498
 499         if (aPos.hasOwnProperty('lon') && aPos.hasOwnProperty('lat') && aPos.hasOwnProperty('zoom')) {
 500             center = new OpenLayers.LonLat(parseFloat(aPos.lon), parseFloat(aPos.lat)).transform(WGS84, Mercator);
 501             zoom = parseInt(aPos.zoom, 10);
 502         } else if (aPos.hasOwnProperty('minlon') && aPos.hasOwnProperty('minlat')
 503                     && aPos.hasOwnProperty('maxlon') && aPos.hasOwnProperty('maxlat')) {
 504             extent = new OpenLayers.Bounds(aPos.minlon, aPos.minlat, aPos.maxlon, aPos.maxlat)
 505                                          .transform(WGS84, Mercator);
 506         } else {
 507             extent = new OpenLayers.Bounds(-160, -70, 160, 70).transform(WGS84, Mercator);
 508         }
 509
 510         if (extent) {
 511             this.map.zoomToExtent(extent);
 512         } else {
 513             this.map.setCenter(center, zoom);
 514         }
 515         this.resizeMap();
 516     },
 517
 518     resizeMap: function() {
 519         var map = $('map');
 520         map.style.width = map.offsetWidth.toString() + 'px';
 521         map.style.height = map.offsetHeight.toString() + 'px';
 522     },
 523
 524     observer: function(evt) {
 525         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 526             this.messenger.hide();
 527         }
 528     },
 529
 530     prepareForm: function(form) {
 531         if (!LoginMgr.logged && !$("geom_accept").checked) {
 532             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 533             $("geom_accept_container").highlight('#F08080');
 534             $("geom_accept").activate();
 535             return false;
 536         }
 537
 538         var line, realPoints, idx;
 539
 540         line = new OpenLayers.Geometry.LineString();
 541         realPoints = this.editControl.handler.realPoints;
 542         for (idx = 0; idx < realPoints.length; idx++) {
 543             line.addComponent(realPoints[idx].geometry.clone());
 544         }
 545         this.viewLayer.addFeatures(new OpenLayers.Feature.Vector(line));
 546
 547         this.viewMode();
 548
 549         if (line.components.length) {
 550             $("geom_data").value = this.wkt.write(new OpenLayers.Feature.Vector(line));
 551         } else {
 552             $("geom_data").value = "";
 553         }
 554
 555         if (this.mode === "edit" && typeof gLoggedInfo.pathid !== "undefined") {
 556             $("geomform").setAttribute("action", "path/" + gLoggedInfo.pathid.toString() + '/update');
 557         } else {
 558             $("geomform").setAttribute("action", "path");
 559         }
 560         this.needsFormResubmit = false;
 561         SyjSaveUI.disable.bind(SyjSaveUI).defer();
 562         this.messenger.hide();
 563         return true;
 564     },
 565
 566     viewMode: function() {
 567         var handler = this.editControl.handler;
 568         OpenLayers.Handler.ModifiablePath.prototype.finalize.apply(handler, arguments);
 569         // we need to recreate them on next createFeature; otherwise
 570         // they'll reference destroyed features
 571         delete(handler.handlers.drag);
 572         delete(handler.handlers.feature);
 573         this.editControl.deactivate();
 574     },
 575
 576     editMode: function() {
 577         var components, point0, point, pixels, pixel, idx;
 578
 579         this.initEditControl();
 580
 581         this.editControl.activate();
 582         if (this.viewLayer.features.length) {
 583             components = this.viewLayer.features[0].geometry.components;
 584             point0 = components[0];
 585             if (point0) {
 586                 pixel = this.map.getPixelFromLonLat(new OpenLayers.LonLat(point0.x, point0.y));
 587                 this.editControl.handler.createFeature(pixel);
 588                 this.editControl.handler.lastUp = pixel;
 589                 pixels = [];
 590                 for (idx = 1; idx < components.length; idx++) {
 591                     point = components[idx];
 592                     pixels.push(this.map.getPixelFromLonLat(new OpenLayers.LonLat(point.x, point.y)));
 593                 }
 594                 this.editControl.handler.addPoints(pixels);
 595             }
 596             this.unsavedRoute = {
 597                 features: this.viewLayer.features.invoke('clone'),
 598                 title: $("geom_title").value
 599             };
 600         }
 601
 602         this.viewLayer.destroyFeatures();
 603
 604         SYJDataUi.editmode();
 605         if (this.editControl.handler.realPoints && this.editControl.handler.realPoints.length >= 2) {
 606             SyjSaveUI.disableSubmit();
 607         } else {
 608             SyjSaveUI.disable();
 609         }
 610     },
 611
 612     initEditControl: function() {
 613         var styles;
 614
 615         if (this.editControl) {
 616             return;
 617         }
 618
 619         this.editControl = new OpenLayers.Control.DrawFeature(new OpenLayers.Layer.Vector(), OpenLayers.Handler.SyjModifiablePath, {
 620             callbacks: {
 621                 modify: function(f, line) {
 622                     SYJPathLength.update();
 623
 624                     var npoints = this.handler.realPoints.length;
 625                     if (npoints === 0) {
 626                         $("geom_upload_container").show();
 627                         SYJView.unsavedRoute = null;
 628                     } else {
 629                         if (!SYJView.unsavedRoute) {
 630                             SYJView.unsavedRoute = {};
 631                         }
 632                     }
 633
 634                     if (npoints < 2) {
 635                         SyjSaveUI.disable();
 636                     } else {
 637                         SyjSaveUI.enable();
 638                     }
 639                 },
 640                 create: function(f, line) {
 641                     this.messenger.hide();
 642                     $("geom_upload_container").hide();
 643                 }.bind(this)
 644             },
 645
 646             handlerOptions: {
 647                 layerOptions: {
 648                     styleMap: styleMap.edit
 649                 }
 650             }
 651         });
 652         this.map.addControl(this.editControl);
 653         if (this.editControl.layer.renderer instanceof OpenLayers.Renderer.Canvas) {
 654             // using externalGraphic with canvas renderer is definitively too buggy
 655             styles = this.editControl.handler.layerOptions.styleMap.styles;
 656             styles.select = styles.select_for_canvas;
 657         }
 658     },
 659
 660     saveSuccess: function(transport) {
 661       // server sends and empty response on success. If we get a response, that
 662       // probably means an error or warning has been printed by server.
 663       if (!transport.responseJSON && transport.responseText.length) {
 664           this.saveFailure(null, 500);
 665           return;
 666       }
 667
 668       this.unsavedRoute = null;
 669       if (transport.responseJSON && (typeof transport.responseJSON.redirect === "string")) {
 670           location = transport.responseJSON.redirect;
 671           return;
 672       }
 673
 674       this.messenger.setMessage(SyjStrings.saveSuccess, "success");
 675       SYJDataUi.viewmode();
 676       document.title = $('geom_title').value;
 677     },
 678
 679     saveFailure: function(transport, httpCode) {
 680         var message = "";
 681         if (typeof httpCode === "undefined") {
 682             httpCode = transport? transport.getStatus(): 0;
 683         }
 684
 685         switch (httpCode) {
 686             case 0:
 687                 message = SyjStrings.notReachedError;
 688             break;
 689             case 400:
 690             case 404:
 691                 message = SyjStrings.requestError;
 692             break;
 693             case 403:
 694                 message = "";
 695                 SYJLogin.messenger.setMessage(SyjStrings.loginNeeded, "warn");
 696                 SYJLogin.modalbox.show();
 697                 this.needsFormResubmit = true;
 698             break;
 699             case 410:
 700                 message = SyjStrings.gonePathError;
 701             break;
 702             case 500:
 703                 message = SyjStrings.serverError;
 704                 this.needsFormResubmit = true;
 705             break;
 706             default:
 707                 message = SyjStrings.unknownError;
 708             break;
 709         }
 710
 711         this.editMode();
 712         // is some cases, we let the user resubmit, in some other cases, he
 713         // needs to modify the path before submitting again
 714         if (this.needsFormResubmit) {
 715             SyjSaveUI.enable();
 716         }
 717
 718         this.messenger.setMessage(message, "error");
 719     }
 720 };
 721
 722 var SYJModalClass = Class.create({
 723     type: "",
 724
 725     init: function() {
 726         this.area = $(this.type + '_area');
 727         this.messenger = $(this.type + "_message");
 728         this.modalbox = new SimpleBox(this.area, {
 729             closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 730         });
 731
 732         var anchor = $(this.type + '_control_anchor');
 733         var parent = anchor.up('.menu-item');
 734         if (parent) {
 735             anchor = parent;
 736         }
 737         anchor.observe("click", function(evt) {
 738             this.modalbox.show();
 739             evt.stop();
 740         }.bindAsEventListener(this));
 741
 742         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 743         document.observe('simplebox:hidden', this.observer.bindAsEventListener(this));
 744
 745         $(this.type + "form").ajaxize({
 746             presubmit: this.presubmit.bind(this),
 747             onSuccess: this.success.bind(this),
 748             onFailure: this.failure.bind(this)
 749         });
 750     },
 751
 752     checkNotEmpty: function(input, message) {
 753         if ($(input).value.strip().empty()) {
 754             this.messenger.setMessage(message, "warn");
 755             $(input).highlight('#F08080').activate();
 756             return false;
 757         }
 758         return true;
 759     },
 760
 761     observer: function(evt) {
 762         var simplebox, input;
 763
 764         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 765             simplebox = evt.memo;
 766             if (simplebox === this.modalbox) {
 767                 input = this.area.select('input[type="text"]')[0];
 768                 (function () {
 769                     input.activate();
 770                 }.defer());
 771             } else {
 772                 this.modalbox.hide();
 773             }
 774
 775         } else if (evt.eventName === "simplebox:hidden" && evt.memo.element !== $("termsofusearea")) {
 776             simplebox = evt.memo;
 777             if (simplebox === this.modalbox) {
 778                 this.reset();
 779             }
 780         }
 781     },
 782
 783     failure: function(transport) {
 784         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
 785
 786         if (transport) {
 787             httpCode = transport.getStatus();
 788         }
 789
 790         switch (httpCode) {
 791             case 0:
 792                 message = SyjStrings.notReachedError;
 793             break;
 794             case 400:
 795             case 404:
 796             case 410:
 797                 message = SyjStrings.requestError;
 798             break;
 799             case 500:
 800                 message = SyjStrings.serverError;
 801             break;
 802         }
 803
 804         this.messenger.setMessage(message, "error");
 805         input = this.area.select('input[type="text"]')[0];
 806         input.highlight('#F08080').activate();
 807     },
 808
 809     reset: function() {
 810         this.messenger.hide();
 811         this.area.select('.message').invoke('setMessageStatus', null);
 812     }
 813 });
 814
 815 var SYJUserClass = Class.create(SYJModalClass, {
 816     type: "user",
 817     toubox: null,
 818
 819     init: function($super) {
 820         $super();
 821         $("termsofusearea").hide();
 822
 823         $$("#user_termsofuse_anchor, #geom_termsofuse_anchor").invoke('observe', "click", function(evt) {
 824             if (!this.toubox) {
 825                 this.toubox = new SimpleBox($("termsofusearea"), {
 826                     closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 827                 });
 828             }
 829             this.toubox.show();
 830             if (!$("termsofuseiframe").getAttribute("src")) {
 831                 $("termsofusearea").show();
 832                 $("termsofuseiframe").setAttribute("src", evt.target.href);
 833             }
 834             evt.stop();
 835         }.bindAsEventListener(this));
 836
 837         $$("#login_area_create > a").invoke('observe', 'click',
 838             function(evt) {
 839                 this.modalbox.show();
 840                 evt.stop();
 841             }.bindAsEventListener(this));
 842
 843         $("user_pseudo-desc").hide();
 844         $("user_pseudo").observe('contentchange', function(evt) {
 845             var value = evt.target.value;
 846             PseudoChecker.reset();
 847             if (value && !(value.match(/^[a-zA-Z0-9_.]+$/))) {
 848                 $("user_pseudo-desc").show().setMessageStatus("warn");
 849             } else {
 850                 $("user_pseudo-desc").hide();
 851             }
 852         }).timedobserve(function() {
 853             PseudoChecker.check();
 854         });
 855
 856         $("user_password").observe('contentchange', function(evt) {
 857             if (evt.target.value.length < 6) {
 858                 $("user_password-desc").setMessageStatus("warn");
 859             } else {
 860                 $("user_password-desc").setMessageStatus("success");
 861             }
 862         }.bindAsEventListener(this));
 863
 864         $('account-create-anchor').insert({after: new Toggler('account-info').element});
 865     },
 866
 867     presubmit: function() {
 868         this.messenger.hide();
 869         PseudoChecker.reset();
 870         if (!(this.checkNotEmpty("user_pseudo", SyjStrings.userEmptyWarn))) {
 871             return false;
 872         }
 873
 874         if (!($("user_pseudo").value.match(/^[a-zA-Z0-9_.]+$/))) {
 875             $("user_pseudo-desc").show().setMessageStatus("warn");
 876             $("user_pseudo").highlight('#F08080').activate();
 877             return false;
 878         }
 879
 880         if (PseudoChecker.exists[$("user_pseudo").value]) {
 881             PseudoChecker.availableMessage(false);
 882             $("user_pseudo").highlight('#F08080').activate();
 883             return false;
 884         }
 885
 886         if (!(this.checkNotEmpty("user_password", SyjStrings.passwordEmptyWarn))) {
 887             return false;
 888         }
 889
 890         if ($("user_password").value.length < 6) {
 891             $("user_password-desc").setMessageStatus("warn");
 892             $("user_password").highlight('#F08080').activate();
 893             return false;
 894         }
 895
 896         if ($("user_password").value !== $("user_password_confirm").value) {
 897             this.messenger.setMessage(SyjStrings.passwordNoMatchWarn, "warn");
 898             $("user_password").highlight('#F08080').activate();
 899             return false;
 900         }
 901
 902         if (!(this.checkNotEmpty("user_email", SyjStrings.emailEmptyWarn))) {
 903             return false;
 904         }
 905
 906         if (!$("user_accept").checked) {
 907             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 908             $("user_accept_container").highlight('#F08080');
 909             $("user_accept").activate();
 910             return false;
 911         }
 912
 913         this.reset();
 914         return true;
 915     },
 916
 917     success: function(transport) {
 918         if (!transport.responseJSON ||
 919             typeof transport.responseJSON.pseudo !== "string"
 920             ) {
 921             this.messenger.setMessage(SyjStrings.unknownError, "error");
 922             return;
 923         }
 924
 925         LoginMgr.login(transport.responseJSON.pseudo);
 926         SYJView.messenger.setMessage(SyjStrings.userSuccess, "success");
 927         this.modalbox.hide();
 928         if (SYJView.needsFormResubmit) {
 929             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 930             $("geom_submit").activate();
 931         }
 932     },
 933
 934     failure: function($super, transport) {
 935         var httpCode = 0, focusInput = null, message = "";
 936
 937         if (transport) {
 938             httpCode = transport.getStatus();
 939         }
 940
 941         focusInput = null;
 942         message = "";
 943
 944         switch (httpCode) {
 945             case 400:
 946                 if (transport.responseJSON) {
 947                     switch (transport.responseJSON.message) {
 948                         case "invalidemail":
 949                             message = SyjStrings.emailInvalidWarn;
 950                             focusInput = $("user_email");
 951                         break;
 952                         case "uniquepseudo":
 953                             PseudoChecker.availableMessage(false);
 954                             focusInput = $("user_pseudo");
 955                         break;
 956                         case "uniqueemail":
 957                             message = SyjStrings.uniqueEmailError;
 958                             focusInput = $("user_email");
 959                         break;
 960                     }
 961                 }
 962             break;
 963         }
 964
 965         if (focusInput) {
 966             if (message) {
 967                 this.messenger.setMessage(message, "error");
 968             }
 969             focusInput.highlight('#F08080').activate();
 970             return;
 971         }
 972
 973         $super(transport);
 974     }
 975 });
 976 var SYJUser = new SYJUserClass();
 977
 978 var SYJLoginClass = Class.create(SYJModalClass, {
 979     type: "login",
 980
 981     init: function($super) {
 982         $super();
 983     },
 984
 985     presubmit: function() {
 986         this.messenger.hide();
 987         if (!(this.checkNotEmpty("login_user", SyjStrings.userEmptyWarn))) {
 988             return false;
 989         }
 990
 991         this.reset();
 992         return true;
 993     },
 994
 995     success: function(transport) {
 996         if (!transport.responseJSON ||
 997             typeof transport.responseJSON.iscreator !== "boolean" ||
 998             typeof transport.responseJSON.pseudo !== "string"
 999             ) {
1000             this.messenger.setMessage(SyjStrings.unknownError, "error");
1001             return;
1002         }
1003         LoginMgr.login(transport.responseJSON.pseudo, transport.responseJSON.iscreator);
1004
1005         SYJView.messenger.setMessage(SyjStrings.loginSuccess, "success");
1006         this.modalbox.hide();
1007         if (SYJView.needsFormResubmit) {
1008             SYJView.messenger.addMessage(SyjStrings.canResubmit);
1009             $("geom_submit").activate();
1010         }
1011     },
1012
1013     failure: function($super, transport) {
1014         var httpCode = 0, focusInput = null, message = "";
1015
1016         if (transport) {
1017             httpCode = transport.getStatus();
1018         }
1019
1020         focusInput = null;
1021         message = "";
1022
1023         switch (httpCode) {
1024             case 403:
1025                 message = SyjStrings.loginFailure;
1026                 focusInput = $("login_user");
1027             break;
1028         }
1029
1030         if (message) {
1031             this.messenger.setMessage(message, "error");
1032             if (focusInput) {
1033                 focusInput.highlight('#F08080').activate();
1034             }
1035             return;
1036         }
1037
1038         $super(transport);
1039     }
1040 });
1041 var SYJLogin = new SYJLoginClass();
1042
1043 var SYJNewpwdClass = Class.create(SYJModalClass, {
1044     type: "newpwd",
1045
1046     presubmit: function() {
1047         if (!(this.checkNotEmpty("newpwd_email", SyjStrings.emailEmptyWarn))) {
1048             return false;
1049         }
1050         this.reset();
1051         return true;
1052     },
1053     success: function(transport) {
1054         SYJView.messenger.setMessage(SyjStrings.newpwdSuccess, "success");
1055         this.modalbox.hide();
1056     }
1057
1058 });
1059 var SYJNewpwd = new SYJNewpwdClass();
1060
1061 var LoginMgr = Object.extend(gLoggedInfo, {
1062     controlsdeck: null,
1063
1064     updateUI: function() {
1065         if (!this.controlsdeck) {
1066             this.controlsdeck = new Deck("login_controls");
1067         }
1068         if (this.logged) {
1069             this.controlsdeck.setIndex(1);
1070             $$(".logged-hide").invoke('hide');
1071             $$(".logged-show").invoke('show');
1072         } else {
1073             this.controlsdeck.setIndex(0);
1074             $$(".logged-hide").invoke('show');
1075             $$(".logged-show").invoke('hide');
1076         }
1077
1078         if ($("edit-btn")) {
1079             if (this.iscreator && SYJView.mode === 'view') {
1080                 $("edit-btn").show();
1081             } else {
1082                 $("edit-btn").hide();
1083             }
1084         }
1085     },
1086
1087     login: function(aPseudo, aIsCreator) {
1088         if (typeof aIsCreator === "boolean") {
1089             this.iscreator = aIsCreator;
1090         }
1091         this.logged = true;
1092         $$('.logged-pseudo').each(function(elt) {
1093             $A(elt.childNodes).filter(function(node) {
1094                 return (node.nodeType === 3 || node.tagName.toLowerCase() === 'br');
1095             }).each(function(node) {
1096                 node.nodeValue = node.nodeValue.replace('%s', aPseudo);
1097             });
1098         });
1099         this.updateUI();
1100     }
1101 });
1102
1103 var PseudoChecker = {
1104     req: null,
1105     exists: {},
1106     currentvalue: null,
1107     messageelt: null,
1108     throbber: null,
1109
1110     message: function(str, status, throbber) {
1111         var row;
1112         if (!this.messageelt) {
1113             row = new Element('tr');
1114             // we can't use row.update('<td></td><td><div></div></td>')
1115             // because gecko would mangle the <td>s
1116             row.insert(new Element('td'))
1117                .insert((new Element('td')).update(new Element('div')));
1118
1119             $("user_pseudo").up('tr').insert({after: row});
1120             this.messageelt = new Element('span');
1121             this.throbber = new Element("img", { src: "icons/throbber.gif"});
1122             row.down('div').insert(this.throbber).insert(this.messageelt);
1123         }
1124         if (throbber) {
1125             this.throbber.show();
1126         } else {
1127             this.throbber.hide();
1128         }
1129         this.messageelt.up().setStyle({visibility: ''});
1130         this.messageelt.className = status;
1131         this.messageelt.update(str);
1132     },
1133
1134     availableMessage: function(available) {
1135         var message = available ? SyjStrings.availablePseudo: SyjStrings.unavailablePseudo,
1136             status = available ? "success": "warn";
1137         this.message(message, status, false);
1138     },
1139
1140     reset: function() {
1141         if (this.req) {
1142             this.req.abort();
1143             this.req = this.currentvalue = null;
1144         }
1145         if (this.messageelt) {
1146             this.messageelt.up().setStyle({visibility: 'hidden'});
1147         }
1148     },
1149
1150     check: function() {
1151         var pseudo = $("user_pseudo").value;
1152
1153         this.reset();
1154
1155         if (!pseudo || !(pseudo.match(/^[a-zA-Z0-9_.]+$/))) {
1156             return;
1157         }
1158
1159         if (typeof this.exists[pseudo] === "boolean") {
1160             this.reset();
1161             this.availableMessage(!this.exists[pseudo]);
1162             return;
1163         }
1164
1165         this.message(SyjStrings.pseudoChecking, "", true);
1166
1167         this.currentvalue = pseudo;
1168         this.req = new Ajax.TimedRequest('userexists/' + encodeURIComponent(pseudo), 20, {
1169             onFailure: this.failure.bind(this),
1170             onSuccess: this.success.bind(this)
1171         });
1172     },
1173
1174     failure: function(transport) {
1175         var httpCode = 0, value = this.currentvalue;
1176
1177         if (transport) {
1178             httpCode = transport.getStatus();
1179         }
1180         this.reset();
1181         if (httpCode === 404) {
1182             this.exists[value] = false;
1183             this.availableMessage(true);
1184         }
1185
1186     },
1187
1188     success: function(transport) {
1189         var httpCode = transport.getStatus(), value = this.currentvalue;
1190         this.reset();
1191         this.exists[value] = true;
1192         this.availableMessage(false);
1193     }
1194 };
1195
1196 var Nominatim = (function() {
1197     var presubmit = function() {
1198         var input = $("nominatim-search");
1199         if (input.value.strip().empty()) {
1200             $("nominatim-message").setMessage(SyjStrings.notEmptyField, "warn");
1201             input.activate();
1202             return false;
1203         }
1204         $("nominatim-suggestions").hide();
1205         $("nominatim-message").hide();
1206         $("nominatim-throbber").show();
1207         return true;
1208     };
1209
1210     var zoomToExtent = function(bounds) { // we must call map.setCenter with forceZoomChange to true. See ol#2798
1211         var center = bounds.getCenterLonLat();
1212         if (this.baseLayer.wrapDateLine) {
1213             var maxExtent = this.getMaxExtent();
1214             bounds = bounds.clone();
1215             while (bounds.right < bounds.left) {
1216                 bounds.right += maxExtent.getWidth();
1217             }
1218             center = bounds.getCenterLonLat().wrapDateLine(maxExtent);
1219         }
1220         this.setCenter(center, this.getZoomForExtent(bounds), false, true);
1221     };
1222
1223     var success = function(transport) {
1224         $("nominatim-throbber").hide();
1225
1226         if (!transport.responseJSON || !transport.responseJSON.length) {
1227             $("nominatim-message").setMessage(SyjStrings.noResult, 'error');
1228             $("nominatim-search").activate();
1229             return;
1230         }
1231
1232         var place = transport.responseJSON[0],
1233             bbox = place.boundingbox;
1234
1235         if (!bbox || bbox.length !== 4) {
1236             $("nominatim-message").setMessage(SyjStrings.requestError, 'error');
1237             return;
1238         }
1239
1240         extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
1241         zoomToExtent.call(SYJView.map, extent);
1242
1243         $("nominatim-suggestions-list").update();
1244
1245         var clickhandler = function(bbox) {
1246             return function(evt) {
1247                 evt.stop();
1248                 var extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
1249                 $("nominatim-suggestions-list").select("li").invoke('removeClassName', 'current');
1250                 evt.target.up('li').addClassName('current');
1251                 SYJView.map.zoomToExtent(extent);
1252             };
1253         };
1254
1255         var i;
1256         for (i = 0; i < transport.responseJSON.length; i++) {
1257             var item = transport.responseJSON[i];
1258             if (item.display_name && item.boundingbox && item.boundingbox.length === 4) {
1259                 var li = new Element("li");
1260                 var anchor = new Element("a", {
1261                     href: "",
1262                     className: "nominatim-suggestions-link"
1263                 });
1264
1265                 anchor.observe('click', clickhandler(item.boundingbox));
1266                 Element.text(anchor, item.display_name);
1267
1268                 var icon = new Element("img", {
1269                     className: "nominatim-suggestions-icon",
1270                     src: item.icon || 'icons/world.png'
1271                 });
1272                 li.insert(icon).insert(anchor);
1273                 $("nominatim-suggestions-list").insert(li);
1274                 if ($("nominatim-suggestions-list").childNodes.length >= 6) {
1275                     break;
1276                 }
1277             }
1278         }
1279
1280         if ($("nominatim-suggestions-list").childNodes.length > 1) {
1281             var bottomOffset = $('data_controls').measure('height') + 3;
1282             $("nominatim-suggestions").setStyle({
1283                 bottom: (document.viewport.getHeight() - $('data_controls').cumulativeOffset().top + 3).toString() + 'px'
1284             }).show();
1285             $("nominatim-suggestions-list").select("li:first-child")[0].addClassName('current');
1286         } else {
1287             $("nominatim-suggestions").hide();
1288         }
1289
1290     };
1291
1292     var failure = function(transport) {
1293         $("nominatim-throbber").hide();
1294
1295         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
1296
1297         if (transport) {
1298             httpCode = transport.getStatus();
1299         }
1300
1301         switch (httpCode) {
1302             case 0:
1303                 message = SyjStrings.notReachedError;
1304             break;
1305             case 400:
1306             case 404:
1307                 message = SyjStrings.requestError;
1308             break;
1309             case 500:
1310                 message = SyjStrings.serverError;
1311             break;
1312         }
1313
1314         $("nominatim-message").setMessage(message, 'error');
1315     };
1316
1317     return {
1318         init: function() {
1319             if (!$("nominatim-form")) {
1320                return;
1321             }
1322             $("nominatim-controls").hide();
1323             $("nominatim-label").observe('click', function(evt) {
1324                 $("nominatim-controls").show();
1325                 $("nominatim-search").activate();
1326                 evt.stop();
1327             });
1328
1329             $("nominatim-form").ajaxize({
1330                 presubmit: presubmit,
1331                 onSuccess: success,
1332                 onFailure: failure
1333               });
1334             new CloseBtn($("nominatim-suggestions"));
1335
1336             $$("#nominatim-message, #nominatim-suggestions, #nominatim-throbber").invoke('hide');
1337         }
1338     };
1339 }());
1340
1341 document.observe("dom:loaded", function() {
1342     SYJLogin.init();
1343     SYJUser.init();
1344     SYJDataUi.viewmode();
1345     SYJView.init();
1346     SYJNewpwd.init();
1347     LoginMgr.updateUI();
1348     Nominatim.init();
1349 });
1350
1351 window.onbeforeunload = function() {
1352     if (SYJView.unsavedRoute) {
1353         return SyjStrings.unsavedConfirmExit;
1354     } else {
1355         return undefined;
1356     }
1357 };
1358
1359 window.onresize = function() {
1360     SYJView.resizeMap();
1361 };