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 "use strict";
   5
   6 // avoid openlayers alerts
   7 OpenLayers.Console.userError = function(error) {
   8     SYJView.messenger.setMessage(error, "error");
   9 };
  10
  11 OpenLayers.Layer.Vector.prototype.renderers = ["SVG2", "VML", "Canvas"];
  12
  13 var SyjSaveUI = {
  14     status: "unknown",
  15
  16     init: function() {
  17         $("geom_title").observe('contentchange', this.enableSubmit.bindAsEventListener(this));
  18         return this;
  19     },
  20
  21     enable: function() {
  22         if (this.status === "enabled") {
  23             return this;
  24         }
  25         this.enableSubmit();
  26         $("geom_title").disabled = false;
  27         $("geom_title").activate();
  28         $$("#geom_accept_container, #geom_title_container").invoke('removeClassName', "disabled");
  29         this.status = "enabled";
  30         return this;
  31     },
  32
  33     disable: function() {
  34         if (this.status === "disabled") {
  35             return this;
  36         }
  37         this.disableSubmit();
  38         $("geom_title").blur();
  39         $("geom_title").disabled = true;
  40         $$("#geom_accept_container, #geom_title_container").invoke('addClassName', "disabled");
  41         this.status = "disabled";
  42         return this;
  43     },
  44
  45     enableSubmit: function() {
  46         $("geom_submit").disabled = false;
  47         $("geom_accept").disabled = false;
  48         this.status = "partial";
  49         return this;
  50     },
  51
  52     disableSubmit: function() {
  53         $("geom_submit").blur();
  54         $("geom_submit").disabled = true;
  55         $("geom_accept").blur();
  56         $("geom_accept").disabled = true;
  57         this.status = "partial";
  58         return this;
  59     }
  60 };
  61
  62 var SYJPathLength = (function(){
  63     return {
  64         update: function() {
  65             var pathLength = 0, unit;
  66             if (SYJView.mode === 'view') {
  67                 if (SYJView.viewLayer.features.length) {
  68                     pathLength = SYJView.viewLayer.features[0].geometry.getGeodesicLength(Mercator);
  69                 }
  70             } else {
  71                 pathLength = SYJView.editControl.handler.line.geometry.getGeodesicLength(Mercator);
  72             }
  73
  74             if (pathLength === 0) {
  75                 $("path-length").hide();
  76                 return;
  77             }
  78             $("path-length").show();
  79
  80             if (pathLength < 1000) {
  81                 // precision: 1 cm
  82                 pathLength = Math.round(pathLength * 100) / 100;
  83                 unit = 'm';
  84             } else {
  85                 // precision: 1 m
  86                 pathLength = Math.round(pathLength) / 1000;
  87                 unit = 'km';
  88             }
  89             $("path-length-content").update(pathLength + ' ' + unit);
  90         }
  91     };
  92 }());
  93
  94 var SYJDataUi = (function() {
  95     var deck = null,
  96         infotoggler = null,
  97         getdeck = function() {
  98             if (!deck) {
  99                 deck = new Deck("data_controls");
 100             }
 101             return deck;
 102         },
 103         getinfotoggler = function() {
 104             if (!infotoggler) {
 105                 infotoggler = new Toggler('path-infos-content');
 106                 $("path-infos-toggler").insert({bottom: infotoggler.element});
 107                 var anchor = $("path-infos-anchor");
 108                 var parent = anchor.up('.menu-item');
 109                 if (parent) {
 110                     anchor = parent;
 111                 }
 112                 anchor.observe('click', function(evt) {
 113                     evt.stop();
 114                     infotoggler.toggle(evt);
 115                 });
 116                 document.observe('toggler:open', function(evt) {
 117                     if (evt.memo === infotoggler) {
 118                         // XXX: update informations
 119                     }
 120                 });
 121             }
 122             return infotoggler;
 123         };
 124     return {
 125         viewmode: function() {
 126             getdeck().setIndex(0);
 127             if ($("path-infos")) {
 128                 getinfotoggler();
 129                 getinfotoggler().close();
 130                 $("path-infos").show();
 131             }
 132         },
 133         editmode: function() {
 134             getdeck().setIndex(1);
 135             if ($("path-infos")) {
 136                 $("path-infos").hide();
 137             }
 138         }
 139     };
 140 }());
 141
 142 OpenLayers.Handler.SyjModifiablePath = OpenLayers.Class(OpenLayers.Handler.ModifiablePath, {
 143     mouseup: function(evt) {
 144         // do not add a point when navigating
 145         var mapControls = this.control.map.controls, idx, ctrl;
 146
 147         for (idx = mapControls.length; idx-->0; ) {
 148             ctrl = mapControls[idx];
 149             if (this.isCtrlNavigationActive(ctrl, evt)) {
 150                 return true;
 151             }
 152         }
 153         return OpenLayers.Handler.ModifiablePath.prototype.mouseup.apply(this, arguments);
 154     },
 155
 156     addPoints: function(pixel) {
 157         // redraw before last point. As we have a special style for last point, we
 158         // need to redraw before last point after adding a new point (otherwise, it
 159         // keeps special style forever)
 160         var oldpoint = this.point;
 161         OpenLayers.Handler.ModifiablePath.prototype.addPoints.apply(this, arguments);
 162         this.layer.drawFeature(oldpoint);
 163     },
 164
 165     isCtrlNavigationActive: function(ctrl, evt) {
 166         var tolerance = 4, xDiff, yDiff;
 167
 168         if (!(ctrl instanceof OpenLayers.Control.Navigation)) {
 169             return false;
 170         }
 171
 172         if (ctrl.zoomBox &&
 173             ctrl.zoomBox.active &&
 174             ctrl.zoomBox.handler &&
 175             ctrl.zoomBox.handler.active &&
 176             ctrl.zoomBox.handler.dragHandler &&
 177             ctrl.zoomBox.handler.dragHandler.start) {
 178             return true;
 179         }
 180
 181         if (!ctrl.dragPan ||
 182             !ctrl.dragPan.active ||
 183             !ctrl.dragPan.handler ||
 184             !ctrl.dragPan.handler.started ||
 185             !ctrl.dragPan.handler.start) {
 186             return false;
 187         }
 188
 189         // if mouse moved 4 or less pixels, consider it has not moved.
 190         tolerance = 4;
 191
 192         xDiff = evt.xy.x - ctrl.dragPan.handler.start.x;
 193         yDiff = evt.xy.y - ctrl.dragPan.handler.start.y;
 194
 195         if (Math.sqrt(Math.pow(xDiff,2) + Math.pow(yDiff,2)) <= tolerance) {
 196             return false;
 197         }
 198         return true;
 199     },
 200
 201     finalize: function(cancel) {
 202         // do nothing. We don't want to finalize path
 203     }
 204 });
 205
 206 var styleMap = {
 207     edit: new OpenLayers.StyleMap({
 208         "default": new OpenLayers.Style({
 209             pointRadius: "${radius}", // sized according to type attribute
 210             fillColor: "#ffcc66",
 211             strokeColor: "#ff9933",
 212             strokeWidth: 2,
 213             strokeOpacity: "${opacity}",
 214             fillOpacity: "${opacity}"
 215         },
 216         {
 217             context: {
 218                 radius: function(feature) {
 219                     var features;
 220
 221                     if (!(feature.geometry instanceof OpenLayers.Geometry.Point)) {
 222                         return 0;
 223                     }
 224                     if (feature.type === "middle") {
 225                         return 4;
 226                     }
 227                     features = feature.layer.features;
 228                     if (OpenLayers.Util.indexOf(features, feature) === 0) {
 229                         return 5;
 230                     } else if (OpenLayers.Util.indexOf(features, feature) === features.length - 1) {
 231                         return 5;
 232                     }
 233                     return 3;
 234                 },
 235                 opacity: function (feature) {
 236                     if (feature.type === "middle") {
 237                         return 0.5;
 238                     } else {
 239                         return 1;
 240                     }
 241                 }
 242             }
 243         }),
 244
 245         "select": new OpenLayers.Style({
 246             externalGraphic: "icons/delete.png",
 247             graphicHeight: 16
 248         }),
 249
 250         "select_for_canvas": new OpenLayers.Style({
 251             strokeColor: "blue",
 252             fillColor: "lightblue"
 253         })
 254
 255     }),
 256
 257     view: new OpenLayers.StyleMap({
 258         "default": new OpenLayers.Style({
 259             strokeColor: "blue",
 260             strokeWidth: 5,
 261             strokeOpacity: 0.7
 262         })
 263     })
 264 };
 265
 266 var WGS84 = new OpenLayers.Projection("EPSG:4326");
 267 var Mercator = new OpenLayers.Projection("EPSG:900913");
 268
 269 var SYJView = {
 270     viewLayer: null,
 271     editControl: null,
 272     map: null,
 273     wkt: new OpenLayers.Format.WKT({ internalProjection: Mercator, externalProjection: WGS84 }),
 274     needsFormResubmit: false,
 275     unsavedRoute: null,
 276     mode: 'view',
 277
 278     init: function() {
 279         var externalGraphic, baseURL, mapnikLayer, mapquestLayer, layerOptions, hidemessenger, layerCode, parameters;
 280
 281         // is svg context, opera does not resolve links with base element is svg context
 282         externalGraphic = styleMap.edit.styles.select.defaultStyle.externalGraphic;
 283         baseURL = document.getElementsByTagName("base")[0].href;
 284         styleMap.edit.styles.select.defaultStyle.externalGraphic = baseURL + externalGraphic;
 285
 286         this.map = new OpenLayers.Map('map', {
 287             controls: [
 288                 new OpenLayers.Control.Navigation(),
 289                 new OpenLayers.Control.PanZoom(),
 290                 this.createLayerSwitcher(),
 291                 new OpenLayers.Control.Attribution()
 292             ],
 293             theme: null
 294         });
 295
 296         mapnikLayer = new OpenLayers.Layer.OSM("Mapnik", [
 297                 'http://a.tile.openstreetmap.org/${z}/${x}/${y}.png',
 298                 'http://b.tile.openstreetmap.org/${z}/${x}/${y}.png',
 299                 'http://c.tile.openstreetmap.org/${z}/${x}/${y}.png'],
 300                 { attribution: SyjStrings.osmAttribution, layerCode: 'M' });
 301
 302         mapquestLayer = new OpenLayers.Layer.OSM("MapQuest", [
 303             'http://otile1.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
 304             'http://otile2.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
 305             'http://otile3.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png',
 306             'http://otile4.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png'],
 307                 { attribution: SyjStrings.mapquestAttribution, layerCode: 'Q'});
 308
 309         layerOptions = {format:     OpenLayers.Format.WKT,
 310                         projection: WGS84,
 311                         styleMap:   styleMap.view,
 312                         attribution: SyjStrings.geomAttribution };
 313
 314         this.viewLayer = new OpenLayers.Layer.Vector("View Layer", layerOptions);
 315         this.map.addLayers([mapnikLayer, mapquestLayer, this.viewLayer]);
 316
 317         this.map.setBaseLayer(mapnikLayer);
 318         layerCode = null;
 319         parameters = OpenLayers.Util.getParameters(window.location.href);
 320         if (parameters.layer) {
 321             layerCode = parameters.layer;
 322             try {
 323                 store.remove('baselayer');
 324             } catch(e) {}
 325         } else {
 326             try {
 327                 layerCode = store.get('baselayer');
 328             } catch(e) {}
 329         }
 330
 331         if (layerCode) {
 332             layerCode = layerCode.toUpperCase();
 333             var self = this;
 334             $([mapnikLayer, mapquestLayer]).each(function(layer) {
 335                 if (layer.layerCode === layerCode) {
 336                     self.map.setBaseLayer(layer);
 337                 }
 338             });
 339         }
 340
 341         this.map.events.register("changebaselayer", this, this.saveBaseLayer);
 342
 343         if ($("edit-btn")) {
 344             $("edit-btn").observe('click', function() {
 345                 $("geom_submit").value = SyjStrings.editAction;
 346                 this.messenger.clearMessages();
 347                 this.editMode();
 348                 this.mode = 'edit';
 349             }.bind(this));
 350         }
 351
 352         if ($("create-btn")) {
 353             $("create-btn").observe('click', function() {
 354                 $("geom_submit").value = SyjStrings.createAction;
 355                 this.messenger.clearMessages();
 356                 this.editMode();
 357                 this.mode = 'create';
 358             }.bind(this));
 359         }
 360
 361         if ($("clone-btn")) {
 362             $("clone-btn").observe('click', function() {
 363                 $("geom_submit").value = SyjStrings.cloneAction;
 364                 $("geom_title").value = "";
 365                 this.messenger.clearMessages();
 366                 this.editMode();
 367                 this.mode = 'create';
 368             }.bind(this));
 369         }
 370
 371         $("geomform").ajaxize({
 372                 presubmit: this.prepareForm.bind(this),
 373                 onSuccess: this.saveSuccess.bind(this),
 374                 onFailure: this.saveFailure.bind(this)
 375                 });
 376         SyjSaveUI.init();
 377
 378         this.messenger = $('message');
 379         hidemessenger = this.messenger.empty();
 380         new CloseBtn(this.messenger, {
 381             style: {
 382                 margin: "-1em"
 383             }
 384         });
 385         if (hidemessenger) {
 386             this.messenger.hide();
 387         }
 388
 389         if (typeof gInitialGeom !== "undefined" && typeof gInitialGeom.data !== "undefined") {
 390             this.viewLayer.addFeatures([this.wkt.read(gInitialGeom.data)]);
 391             // XXX: ie has not guessed height of map main div yet during map
 392             // initialisation. Now, it will read it correctly.
 393             this.map.updateSize();
 394             this.map.zoomToExtent(this.viewLayer.getDataExtent());
 395         } else {
 396             this.initMaPos(gInitialPos);
 397         }
 398
 399         $("map-overlay").hide();
 400         $("geom_upload").observe('change', function(evt) {
 401             var file = null, reader = null, readerror = null;
 402             if (window.FileList && window.FileReader) {
 403                 file = evt.target.files[0];
 404                 reader = new FileReader();
 405                 readerror = function() {
 406                     this.messenger.setMessage(SyjStrings.uploadFileError, "warn");
 407                 }.bind(this);
 408                 reader.onload = function(evt) {
 409                     var data = null, results = null, engine = null, vector = null, i = 0, format = null, formats = ['KML', 'GPX', 'GeoJSON'];
 410
 411                     $("geom_upload_container").removeClassName("disabled");
 412                     $("geom_upload").disabled = false;
 413                     if (evt.error) {
 414                         readerror();
 415                         return;
 416                     }
 417                     data = evt.target.result;
 418
 419                     for (i = 0; i < formats.length; i++) {
 420                         format = formats[i];
 421                         engine = new OpenLayers.Format[format]({ internalProjection: Mercator, externalProjection: WGS84 });
 422                         try {
 423                             results = engine.read(data);
 424                         } catch(e) {
 425                         }
 426                         if (results && results.length) {
 427                             break;
 428                         }
 429                     }
 430                     if (!results || !results.length) {
 431                         readerror();
 432                         return;
 433                     }
 434
 435                     vector = results[0];
 436                     if (vector.geometry.CLASS_NAME !== "OpenLayers.Geometry.LineString") {
 437                         readerror();
 438                         return;
 439                     }
 440                     // merge linestrings for gpx containting multiple trkseg elements.
 441                     if (format === 'GPX') {
 442                       for (i = 1; i < results.length; i++) {
 443                         vector.geometry.addComponents(results[i].geometry.components);
 444                       }
 445                     }
 446                     this.viewLayer.addFeatures([vector]);
 447                     this.map.zoomToExtent(this.viewLayer.getDataExtent());
 448
 449                     if ($("edit-btn")) {
 450                         $("edit-btn").click();
 451                     } else if ($("create-btn")) {
 452                         $("create-btn").click();
 453                     }
 454
 455                     if (this.editControl.handler.realPoints.length < 2) {
 456                         SyjSaveUI.disable();
 457                     } else {
 458                        SyjSaveUI.enable();
 459                     }
 460
 461                     if (vector.data && vector.data.name) {
 462                         $("geom_title").value = vector.data.name;
 463                     }
 464                 }.bind(this);
 465                 $("geom_upload_container").addClassName("disabled");
 466                 $("geom_upload").disabled = true;
 467                 reader.readAsText(file);
 468                 return;
 469             }
 470             $("map-overlay").show();
 471             SyjSaveUI.enable();
 472             this.editControl.deactivate();
 473         }.bind(this));
 474
 475         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 476         SYJPathLength.update();
 477     },
 478
 479     saveBaseLayer: function(data) {
 480         try {
 481             store.set('baselayer', data.layer.layerCode);
 482         } catch(e) {}
 483     },
 484
 485     createLayerSwitcher: function() {
 486         var control = new OpenLayers.Control.LayerSwitcher({roundedCorner: false});
 487         // XXX: we need to "live-patch" LayerSwitcher to use our icons. We use
 488         // a regexp instead of a string in case OpenLayers is modified and in
 489         // case browsers modify the function representation
 490         control.loadContents = eval('(function() { return (' + control.loadContents.toString().replace(
 491                     /\s*=\s*imgLocation\s*\+\s*['"]layer-switcher-maximize\.png['"]\s*;/,
 492                     " = 'icons/layer-switcher-maximize-flipped.png';"
 493                     ) + ')}())');
 494         var oldMaximizeControl = control.maximizeControl;
 495         var self = this;
 496         control.maximizeControl = (function(oldfunc) {
 497             return function() {
 498                 oldfunc.apply(control, arguments);
 499                 self.messenger.hide();
 500             };
 501         }(control.maximizeControl));
 502
 503         return control;
 504     },
 505
 506     initMaPos: function (aPos) {
 507         var extent = null, center = null, zoom = 0;
 508
 509         if (aPos.hasOwnProperty('lon') && aPos.hasOwnProperty('lat') && aPos.hasOwnProperty('zoom')) {
 510             center = new OpenLayers.LonLat(parseFloat(aPos.lon), parseFloat(aPos.lat)).transform(WGS84, Mercator);
 511             zoom = parseInt(aPos.zoom, 10);
 512         } else if (aPos.hasOwnProperty('minlon') && aPos.hasOwnProperty('minlat')
 513                     && aPos.hasOwnProperty('maxlon') && aPos.hasOwnProperty('maxlat')) {
 514             extent = new OpenLayers.Bounds(aPos.minlon, aPos.minlat, aPos.maxlon, aPos.maxlat)
 515                                          .transform(WGS84, Mercator);
 516         } else {
 517             extent = new OpenLayers.Bounds(-160, -70, 160, 70).transform(WGS84, Mercator);
 518         }
 519
 520         if (extent) {
 521             this.map.zoomToExtent(extent);
 522         } else {
 523             this.map.setCenter(center, zoom);
 524         }
 525     },
 526
 527     observer: function(evt) {
 528         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 529             this.messenger.clearMessages();
 530         }
 531     },
 532
 533     prepareForm: function(form) {
 534         if (!LoginMgr.logged && !$("geom_accept").checked) {
 535             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 536             $("geom_accept_container").highlight('#F08080');
 537             $("geom_accept").activate();
 538             return false;
 539         }
 540
 541         var line, realPoints, idx;
 542
 543         line = new OpenLayers.Geometry.LineString();
 544         realPoints = this.editControl.handler.realPoints;
 545         for (idx = 0; idx < realPoints.length; idx++) {
 546             line.addComponent(realPoints[idx].geometry.clone());
 547         }
 548         this.viewLayer.addFeatures(new OpenLayers.Feature.Vector(line));
 549
 550         this.viewMode();
 551
 552         if (line.components.length) {
 553             $("geom_data").value = this.wkt.write(new OpenLayers.Feature.Vector(line));
 554         } else {
 555             $("geom_data").value = "";
 556         }
 557
 558         if (this.mode === "edit" && typeof gLoggedInfo.pathid !== "undefined") {
 559             $("geomform").setAttribute("action", "path/" + gLoggedInfo.pathid.toString() + '/update');
 560         } else {
 561             $("geomform").setAttribute("action", "path");
 562         }
 563         this.needsFormResubmit = false;
 564         SyjSaveUI.disable.bind(SyjSaveUI).defer();
 565         this.messenger.clearMessages();
 566         return true;
 567     },
 568
 569     viewMode: function() {
 570         var handler = this.editControl.handler;
 571         OpenLayers.Handler.ModifiablePath.prototype.finalize.apply(handler, arguments);
 572         // we need to recreate them on next createFeature; otherwise
 573         // they'll reference destroyed features
 574         delete(handler.handlers.drag);
 575         delete(handler.handlers.feature);
 576         this.editControl.deactivate();
 577     },
 578
 579     editMode: function() {
 580         var components, point0, point, pixels, pixel, idx;
 581
 582         this.initEditControl();
 583
 584         this.editControl.activate();
 585         if (this.viewLayer.features.length) {
 586             components = this.viewLayer.features[0].geometry.components;
 587             point0 = components[0];
 588             if (point0) {
 589                 pixel = this.map.getPixelFromLonLat(new OpenLayers.LonLat(point0.x, point0.y));
 590                 this.editControl.handler.createFeature(pixel);
 591                 this.editControl.handler.lastUp = pixel;
 592                 pixels = [];
 593                 for (idx = 1; idx < components.length; idx++) {
 594                     point = components[idx];
 595                     pixels.push(this.map.getPixelFromLonLat(new OpenLayers.LonLat(point.x, point.y)));
 596                 }
 597                 this.editControl.handler.addPoints(pixels);
 598             }
 599             this.unsavedRoute = {
 600                 features: this.viewLayer.features.invoke('clone'),
 601                 title: $("geom_title").value
 602             };
 603         }
 604
 605         this.viewLayer.destroyFeatures();
 606
 607         SYJDataUi.editmode();
 608         if (this.editControl.handler.realPoints && this.editControl.handler.realPoints.length >= 2) {
 609             SyjSaveUI.disableSubmit();
 610         } else {
 611             SyjSaveUI.disable();
 612         }
 613     },
 614
 615     initEditControl: function() {
 616         var styles;
 617
 618         if (this.editControl) {
 619             return;
 620         }
 621
 622         this.editControl = new OpenLayers.Control.DrawFeature(new OpenLayers.Layer.Vector(), OpenLayers.Handler.SyjModifiablePath, {
 623             callbacks: {
 624                 modify: function(f, line) {
 625                     SYJPathLength.update();
 626
 627                     var npoints = this.handler.realPoints.length;
 628                     if (npoints === 0) {
 629                         $("geom_upload_container").show();
 630                         SYJView.unsavedRoute = null;
 631                     } else {
 632                         if (!SYJView.unsavedRoute) {
 633                             SYJView.unsavedRoute = {};
 634                         }
 635                     }
 636
 637                     if (npoints < 2) {
 638                         SyjSaveUI.disable();
 639                     } else {
 640                         SyjSaveUI.enable();
 641                     }
 642                 },
 643                 create: function(f, line) {
 644                     this.messenger.clearMessages();
 645                     $("geom_upload_container").hide();
 646                 }.bind(this)
 647             },
 648
 649             handlerOptions: {
 650                 layerOptions: {
 651                     styleMap: styleMap.edit
 652                 }
 653             }
 654         });
 655         this.map.addControl(this.editControl);
 656         if (this.editControl.layer.renderer instanceof OpenLayers.Renderer.Canvas) {
 657             // using externalGraphic with canvas renderer is definitively too buggy
 658             styles = this.editControl.handler.layerOptions.styleMap.styles;
 659             styles.select = styles.select_for_canvas;
 660         }
 661     },
 662
 663     saveSuccess: function(transport) {
 664       // server sends and empty response on success. If we get a response, that
 665       // probably means an error or warning has been printed by server.
 666       if (!transport.responseJSON && transport.responseText.length) {
 667           this.saveFailure(null, 500);
 668           return;
 669       }
 670
 671       this.unsavedRoute = null;
 672       if (transport.responseJSON && (typeof transport.responseJSON.redirect === "string")) {
 673           location = transport.responseJSON.redirect;
 674           return;
 675       }
 676
 677         $('path-profile-content').select('img').each(function(img) {
 678             var src = img.src;
 679             var found = src.match('foo=bar(\\d*)');
 680             var num;
 681             if (found) {
 682                 num = parseInt(found[1], 10);
 683                 img.src = src.replace(found[0], 'foo=bar' + (num+1));
 684             } else if (src.indexOf('?') === -1) {
 685                 img.src = img.src + '?foo=bar0';
 686             } else {
 687                 img.src = img.src + '&foo=bar0';
 688             }
 689         });
 690
 691       this.messenger.setMessage(SyjStrings.saveSuccess, "success");
 692       SYJDataUi.viewmode();
 693       document.title = $('geom_title').value;
 694     },
 695
 696     saveFailure: function(transport, httpCode) {
 697         var message = "";
 698         if (typeof httpCode === "undefined") {
 699             httpCode = transport? transport.getStatus(): 0;
 700         }
 701
 702         switch (httpCode) {
 703             case 0:
 704                 message = SyjStrings.notReachedError;
 705             break;
 706             case 400:
 707             case 404:
 708                 message = SyjStrings.requestError;
 709             break;
 710             case 403:
 711                 message = "";
 712                 SYJLogin.messenger.setMessage(SyjStrings.loginNeeded, "warn");
 713                 SYJLogin.modalbox.show();
 714                 this.needsFormResubmit = true;
 715             break;
 716             case 410:
 717                 message = SyjStrings.gonePathError;
 718             break;
 719             case 500:
 720                 message = SyjStrings.serverError;
 721                 this.needsFormResubmit = true;
 722             break;
 723             default:
 724                 message = SyjStrings.unknownError;
 725             break;
 726         }
 727
 728         this.editMode();
 729         // is some cases, we let the user resubmit, in some other cases, he
 730         // needs to modify the path before submitting again
 731         if (this.needsFormResubmit) {
 732             SyjSaveUI.enable();
 733         }
 734
 735         this.messenger.setMessage(message, "error");
 736     }
 737 };
 738
 739 var SYJModalClass = Class.create({
 740     type: "",
 741
 742     init: function() {
 743         this.area = $(this.type + '_area');
 744         this.messenger = $(this.type + "_message");
 745         this.modalbox = new SimpleBox(this.area, {
 746             closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 747         });
 748
 749         var anchor = $(this.type + '_control_anchor');
 750         var parent = anchor.up('.menu-item');
 751         if (parent) {
 752             anchor = parent;
 753         }
 754         anchor.observe("click", function(evt) {
 755             this.modalbox.show();
 756             evt.stop();
 757         }.bindAsEventListener(this));
 758
 759         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 760         document.observe('simplebox:hidden', this.observer.bindAsEventListener(this));
 761
 762         $(this.type + "form").ajaxize({
 763             presubmit: this.presubmit.bind(this),
 764             onSuccess: this.success.bind(this),
 765             onFailure: this.failure.bind(this)
 766         });
 767     },
 768
 769     checkNotEmpty: function(input, message) {
 770         if ($(input).value.strip().empty()) {
 771             this.messenger.setMessage(message, "warn");
 772             $(input).highlight('#F08080').activate();
 773             return false;
 774         }
 775         return true;
 776     },
 777
 778     observer: function(evt) {
 779         var simplebox, input;
 780
 781         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 782             simplebox = evt.memo;
 783             if (simplebox === this.modalbox) {
 784                 input = this.area.select('input[type="text"]')[0];
 785                 (function () {
 786                     input.activate();
 787                 }.defer());
 788             } else {
 789                 this.modalbox.hide();
 790             }
 791
 792         } else if (evt.eventName === "simplebox:hidden" && evt.memo.element !== $("termsofusearea")) {
 793             simplebox = evt.memo;
 794             if (simplebox === this.modalbox) {
 795                 this.reset();
 796             }
 797         }
 798     },
 799
 800     failure: function(transport) {
 801         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
 802
 803         if (transport) {
 804             httpCode = transport.getStatus();
 805         }
 806
 807         switch (httpCode) {
 808             case 0:
 809                 message = SyjStrings.notReachedError;
 810             break;
 811             case 400:
 812             case 404:
 813             case 410:
 814                 message = SyjStrings.requestError;
 815             break;
 816             case 500:
 817                 message = SyjStrings.serverError;
 818             break;
 819         }
 820
 821         this.messenger.setMessage(message, "error");
 822         input = this.area.select('input[type="text"]')[0];
 823         input.highlight('#F08080').activate();
 824     },
 825
 826     reset: function() {
 827         this.messenger.clearMessages();
 828         this.area.select('.message').invoke('setMessageStatus', null);
 829     }
 830 });
 831
 832 var SYJUserClass = Class.create(SYJModalClass, {
 833     type: "user",
 834     toubox: null,
 835
 836     init: function($super) {
 837         $super();
 838         $("termsofusearea").hide();
 839
 840         var touevt = (function(evt) {
 841             if (evt.type === "keyup" && evt.keyCode !== 32) { // 32 = space
 842                 // allow opening box by pressing space
 843                 return;
 844             }
 845             if (!this.toubox) {
 846                 this.toubox = new SimpleBox($("termsofusearea"), {
 847                     closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 848                 });
 849             }
 850             this.toubox.show();
 851             if (!$("termsofuseiframe").getAttribute("src")) {
 852                 $("termsofusearea").show();
 853                 $("termsofuseiframe").setAttribute("src", evt.target.href);
 854             }
 855             evt.stop();
 856         }).bindAsEventListener(this);
 857
 858         ["click", "keyup"].each(function (evtName) {
 859             $$("#user_termsofuse_anchor, #geom_termsofuse_anchor").invoke('observe', evtName, touevt);
 860         })
 861
 862         $$("#login_area_create > a").invoke('observe', 'click',
 863             function(evt) {
 864                 this.modalbox.show();
 865                 evt.stop();
 866             }.bindAsEventListener(this));
 867
 868         $("user_pseudo-desc").hide();
 869         $("user_pseudo").observe('contentchange', function(evt) {
 870             var value = evt.target.value;
 871             PseudoChecker.reset();
 872             if (value && !(value.match(/^[a-zA-Z0-9_.]+$/))) {
 873                 $("user_pseudo-desc").show().setMessageStatus("warn");
 874             } else {
 875                 $("user_pseudo-desc").hide();
 876             }
 877         }).timedobserve(function() {
 878             PseudoChecker.check();
 879         });
 880
 881         $("user_password").observe('contentchange', function(evt) {
 882             if (evt.target.value.length < 6) {
 883                 $("user_password-desc").setMessageStatus("warn");
 884             } else {
 885                 $("user_password-desc").setMessageStatus("success");
 886             }
 887         }.bindAsEventListener(this));
 888
 889         $('account-create-anchor').insert({after: new Toggler('account-info').element});
 890     },
 891
 892     presubmit: function() {
 893         this.messenger.clearMessages();
 894         PseudoChecker.reset();
 895         if (!(this.checkNotEmpty("user_pseudo", SyjStrings.userEmptyWarn))) {
 896             return false;
 897         }
 898
 899         if (!($("user_pseudo").value.match(/^[a-zA-Z0-9_.]+$/))) {
 900             $("user_pseudo-desc").show().setMessageStatus("warn");
 901             $("user_pseudo").highlight('#F08080').activate();
 902             return false;
 903         }
 904
 905         if (PseudoChecker.exists[$("user_pseudo").value]) {
 906             PseudoChecker.availableMessage(false);
 907             $("user_pseudo").highlight('#F08080').activate();
 908             return false;
 909         }
 910
 911         if (!(this.checkNotEmpty("user_password", SyjStrings.passwordEmptyWarn))) {
 912             return false;
 913         }
 914
 915         if ($("user_password").value.length < 6) {
 916             $("user_password-desc").setMessageStatus("warn");
 917             $("user_password").highlight('#F08080').activate();
 918             return false;
 919         }
 920
 921         if ($("user_password").value !== $("user_password_confirm").value) {
 922             this.messenger.setMessage(SyjStrings.passwordNoMatchWarn, "warn");
 923             $("user_password").highlight('#F08080').activate();
 924             return false;
 925         }
 926
 927         if (!(this.checkNotEmpty("user_email", SyjStrings.emailEmptyWarn))) {
 928             return false;
 929         }
 930
 931         if (!$("user_accept").checked) {
 932             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 933             $("user_accept_container").highlight('#F08080');
 934             $("user_accept").activate();
 935             return false;
 936         }
 937
 938         this.reset();
 939         return true;
 940     },
 941
 942     success: function(transport) {
 943         if (!transport.responseJSON ||
 944             typeof transport.responseJSON.pseudo !== "string"
 945             ) {
 946             this.messenger.setMessage(SyjStrings.unknownError, "error");
 947             return;
 948         }
 949
 950         LoginMgr.login(transport.responseJSON.pseudo);
 951         SYJView.messenger.setMessage(SyjStrings.userSuccess, "success");
 952         this.modalbox.hide();
 953         if (SYJView.needsFormResubmit) {
 954             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 955             $("geom_submit").activate();
 956         }
 957     },
 958
 959     failure: function($super, transport) {
 960         var httpCode = 0, focusInput = null, message = "";
 961
 962         if (transport) {
 963             httpCode = transport.getStatus();
 964         }
 965
 966         focusInput = null;
 967         message = "";
 968
 969         switch (httpCode) {
 970             case 400:
 971                 if (transport.responseJSON) {
 972                     switch (transport.responseJSON.message) {
 973                         case "invalidemail":
 974                             message = SyjStrings.emailInvalidWarn;
 975                             focusInput = $("user_email");
 976                         break;
 977                         case "uniquepseudo":
 978                             PseudoChecker.availableMessage(false);
 979                             focusInput = $("user_pseudo");
 980                         break;
 981                         case "uniqueemail":
 982                             message = SyjStrings.uniqueEmailError;
 983                             focusInput = $("user_email");
 984                         break;
 985                     }
 986                 }
 987             break;
 988         }
 989
 990         if (focusInput) {
 991             if (message) {
 992                 this.messenger.setMessage(message, "error");
 993             }
 994             focusInput.highlight('#F08080').activate();
 995             return;
 996         }
 997
 998         $super(transport);
 999     }
1000 });
1001 var SYJUser = new SYJUserClass();
1002
1003 var SYJLoginClass = Class.create(SYJModalClass, {
1004     type: "login",
1005
1006     init: function($super) {
1007         $super();
1008     },
1009
1010     presubmit: function() {
1011         this.messenger.clearMessages();
1012         if (!(this.checkNotEmpty("login_user", SyjStrings.userEmptyWarn))) {
1013             return false;
1014         }
1015
1016         this.reset();
1017         return true;
1018     },
1019
1020     success: function(transport) {
1021         if (!transport.responseJSON ||
1022             typeof transport.responseJSON.iscreator !== "boolean" ||
1023             typeof transport.responseJSON.pseudo !== "string"
1024             ) {
1025             this.messenger.setMessage(SyjStrings.unknownError, "error");
1026             return;
1027         }
1028         LoginMgr.login(transport.responseJSON.pseudo, transport.responseJSON.iscreator);
1029
1030         SYJView.messenger.setMessage(SyjStrings.loginSuccess, "success");
1031         this.modalbox.hide();
1032         if (SYJView.needsFormResubmit) {
1033             SYJView.messenger.addMessage(SyjStrings.canResubmit);
1034             $("geom_submit").activate();
1035         }
1036     },
1037
1038     failure: function($super, transport) {
1039         var httpCode = 0, focusInput = null, message = "";
1040
1041         if (transport) {
1042             httpCode = transport.getStatus();
1043         }
1044
1045         focusInput = null;
1046         message = "";
1047
1048         switch (httpCode) {
1049             case 403:
1050                 message = SyjStrings.loginFailure;
1051                 focusInput = $("login_user");
1052             break;
1053         }
1054
1055         if (message) {
1056             this.messenger.setMessage(message, "error");
1057             if (focusInput) {
1058                 focusInput.highlight('#F08080').activate();
1059             }
1060             return;
1061         }
1062
1063         $super(transport);
1064     }
1065 });
1066 var SYJLogin = new SYJLoginClass();
1067
1068 var SYJNewpwdClass = Class.create(SYJModalClass, {
1069     type: "newpwd",
1070
1071     presubmit: function() {
1072         if (!(this.checkNotEmpty("newpwd_email", SyjStrings.emailEmptyWarn))) {
1073             return false;
1074         }
1075         this.reset();
1076         return true;
1077     },
1078     success: function(transport) {
1079         SYJView.messenger.setMessage(SyjStrings.newpwdSuccess, "success");
1080         this.modalbox.hide();
1081     }
1082
1083 });
1084 var SYJNewpwd = new SYJNewpwdClass();
1085
1086 var LoginMgr = Object.extend(gLoggedInfo, {
1087     controlsdeck: null,
1088
1089     updateUI: function() {
1090         if (!this.controlsdeck) {
1091             this.controlsdeck = new Deck("login_controls");
1092         }
1093         if (this.logged) {
1094             this.controlsdeck.setIndex(1);
1095             $$(".logged-hide").invoke('hide');
1096             $$(".logged-show").invoke('show');
1097         } else {
1098             this.controlsdeck.setIndex(0);
1099             $$(".logged-hide").invoke('show');
1100             $$(".logged-show").invoke('hide');
1101         }
1102
1103         if ($("edit-btn")) {
1104             if (this.iscreator && SYJView.mode === 'view') {
1105                 $("edit-btn").show();
1106             } else {
1107                 $("edit-btn").hide();
1108             }
1109         }
1110     },
1111
1112     login: function(aPseudo, aIsCreator) {
1113         if (typeof aIsCreator === "boolean") {
1114             this.iscreator = aIsCreator;
1115         }
1116         this.logged = true;
1117         $$('.logged-pseudo').each(function(elt) {
1118             $A(elt.childNodes).filter(function(node) {
1119                 return (node.nodeType === 3 || node.tagName.toLowerCase() === 'br');
1120             }).each(function(node) {
1121                 node.nodeValue = node.nodeValue.replace('%s', aPseudo);
1122             });
1123         });
1124         this.updateUI();
1125     }
1126 });
1127
1128 var PseudoChecker = {
1129     req: null,
1130     exists: {},
1131     currentvalue: null,
1132     messageelt: null,
1133     throbber: null,
1134
1135     message: function(str, status, throbber) {
1136         var row;
1137         if (!this.messageelt) {
1138             row = new Element('tr');
1139             // we can't use row.update('<td></td><td><div></div></td>')
1140             // because gecko would mangle the <td>s
1141             row.insert(new Element('td'))
1142                .insert((new Element('td')).update(new Element('div')));
1143
1144             $("user_pseudo").up('tr').insert({after: row});
1145             this.messageelt = new Element('span');
1146             this.throbber = new Element("img", { src: "icons/throbber.gif"});
1147             row.down('div').insert(this.throbber).insert(this.messageelt);
1148         }
1149         if (throbber) {
1150             this.throbber.show();
1151         } else {
1152             this.throbber.hide();
1153         }
1154         this.messageelt.up().setStyle({visibility: ''});
1155         this.messageelt.className = status;
1156         this.messageelt.update(str);
1157     },
1158
1159     availableMessage: function(available) {
1160         var message = available ? SyjStrings.availablePseudo: SyjStrings.unavailablePseudo,
1161             status = available ? "success": "warn";
1162         this.message(message, status, false);
1163     },
1164
1165     reset: function() {
1166         if (this.req) {
1167             this.req.abort();
1168             this.req = this.currentvalue = null;
1169         }
1170         if (this.messageelt) {
1171             this.messageelt.up().setStyle({visibility: 'hidden'});
1172         }
1173     },
1174
1175     check: function() {
1176         var pseudo = $("user_pseudo").value;
1177
1178         this.reset();
1179
1180         if (!pseudo || !(pseudo.match(/^[a-zA-Z0-9_.]+$/))) {
1181             return;
1182         }
1183
1184         if (typeof this.exists[pseudo] === "boolean") {
1185             this.reset();
1186             this.availableMessage(!this.exists[pseudo]);
1187             return;
1188         }
1189
1190         this.message(SyjStrings.pseudoChecking, "", true);
1191
1192         this.currentvalue = pseudo;
1193         this.req = new Ajax.TimedRequest('userexists/' + encodeURIComponent(pseudo), 20, {
1194             onFailure: this.failure.bind(this),
1195             onSuccess: this.success.bind(this)
1196         });
1197     },
1198
1199     failure: function(transport) {
1200         var httpCode = 0, value = this.currentvalue;
1201
1202         if (transport) {
1203             httpCode = transport.getStatus();
1204         }
1205         this.reset();
1206         if (httpCode === 404) {
1207             this.exists[value] = false;
1208             this.availableMessage(true);
1209         }
1210
1211     },
1212
1213     success: function(transport) {
1214         var httpCode = transport.getStatus(), value = this.currentvalue;
1215         this.reset();
1216         this.exists[value] = true;
1217         this.availableMessage(false);
1218     }
1219 };
1220
1221 var Nominatim = (function() {
1222     var presubmit = function() {
1223         var input = $("nominatim-search");
1224         if (input.value.strip().empty()) {
1225             $("nominatim-message").setMessage(SyjStrings.notEmptyField, "warn");
1226             input.activate();
1227             return false;
1228         }
1229         $("nominatim-suggestions").hide();
1230         $("nominatim-message").hide();
1231         $("nominatim-throbber").show();
1232         return true;
1233     };
1234
1235     var zoomToExtent = function(bounds) { // we must call map.setCenter with forceZoomChange to true. See ol#2798
1236         var center = bounds.getCenterLonLat();
1237         if (this.baseLayer.wrapDateLine) {
1238             var maxExtent = this.getMaxExtent();
1239             bounds = bounds.clone();
1240             while (bounds.right < bounds.left) {
1241                 bounds.right += maxExtent.getWidth();
1242             }
1243             center = bounds.getCenterLonLat().wrapDateLine(maxExtent);
1244         }
1245         this.setCenter(center, this.getZoomForExtent(bounds), false, true);
1246     };
1247
1248     var success = function(transport) {
1249         $("nominatim-throbber").hide();
1250
1251         if (!transport.responseJSON || !transport.responseJSON.length) {
1252             $("nominatim-message").setMessage(SyjStrings.noResult, 'error');
1253             $("nominatim-search").activate();
1254             return;
1255         }
1256
1257         var place = transport.responseJSON[0],
1258             bbox = place.boundingbox;
1259
1260         if (!bbox || bbox.length !== 4) {
1261             $("nominatim-message").setMessage(SyjStrings.requestError, 'error');
1262             return;
1263         }
1264
1265         extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
1266         zoomToExtent.call(SYJView.map, extent);
1267
1268         $("nominatim-suggestions-list").update();
1269
1270         var clickhandler = function(bbox) {
1271             return function(evt) {
1272                 evt.stop();
1273                 var extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
1274                 $("nominatim-suggestions-list").select("li").invoke('removeClassName', 'current');
1275                 evt.target.up('li').addClassName('current');
1276                 SYJView.map.zoomToExtent(extent);
1277             };
1278         };
1279
1280         var i;
1281         for (i = 0; i < transport.responseJSON.length; i++) {
1282             var item = transport.responseJSON[i];
1283             if (item.display_name && item.boundingbox && item.boundingbox.length === 4) {
1284                 var li = new Element("li");
1285                 var anchor = new Element("a", {
1286                     href: "",
1287                     className: "nominatim-suggestions-link"
1288                 });
1289
1290                 anchor.observe('click', clickhandler(item.boundingbox));
1291                 Element.text(anchor, item.display_name);
1292
1293                 var icon = new Element("img", {
1294                     className: "nominatim-suggestions-icon",
1295                     src: item.icon || 'icons/world.png'
1296                 });
1297                 li.insert(icon).insert(anchor);
1298                 $("nominatim-suggestions-list").insert(li);
1299                 if ($("nominatim-suggestions-list").childNodes.length >= 6) {
1300                     break;
1301                 }
1302             }
1303         }
1304
1305         if ($("nominatim-suggestions-list").childNodes.length > 1) {
1306             var bottomOffset = $('data_controls').measure('height') + 3;
1307             $("nominatim-suggestions").setStyle({
1308                 bottom: (document.viewport.getHeight() - $('data_controls').cumulativeOffset().top + 3).toString() + 'px'
1309             }).show();
1310             $("nominatim-suggestions-list").select("li:first-child")[0].addClassName('current');
1311         } else {
1312             $("nominatim-suggestions").hide();
1313         }
1314
1315     };
1316
1317     var failure = function(transport) {
1318         $("nominatim-throbber").hide();
1319
1320         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
1321
1322         if (transport) {
1323             httpCode = transport.getStatus();
1324         }
1325
1326         switch (httpCode) {
1327             case 0:
1328                 message = SyjStrings.notReachedError;
1329             break;
1330             case 400:
1331             case 404:
1332                 message = SyjStrings.requestError;
1333             break;
1334             case 500:
1335                 message = SyjStrings.serverError;
1336             break;
1337         }
1338
1339         $("nominatim-message").setMessage(message, 'error');
1340     };
1341
1342     return {
1343         init: function() {
1344             if (!$("nominatim-form")) {
1345                return;
1346             }
1347             $("nominatim-controls").hide();
1348             $("nominatim-label").observe('click', function(evt) {
1349                 $("nominatim-controls").show();
1350                 $("nominatim-search").activate();
1351                 evt.stop();
1352             });
1353
1354             $("nominatim-form").ajaxize({
1355                 presubmit: presubmit,
1356                 onSuccess: success,
1357                 onFailure: failure
1358               });
1359             new CloseBtn($("nominatim-suggestions"));
1360
1361             $$("#nominatim-message, #nominatim-suggestions, #nominatim-throbber").invoke('hide');
1362         }
1363     };
1364 }());
1365
1366 document.observe("dom:loaded", function() {
1367     SYJLogin.init();
1368     SYJUser.init();
1369     SYJDataUi.viewmode();
1370     SYJView.init();
1371     SYJNewpwd.init();
1372     LoginMgr.updateUI();
1373     Nominatim.init();
1374 });
1375
1376 window.onbeforeunload = function() {
1377     if (SYJView.unsavedRoute) {
1378         return SyjStrings.unsavedConfirmExit;
1379     } else {
1380         return undefined;
1381     }
1382 };