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       this.messenger.setMessage(SyjStrings.saveSuccess, "success");
 678       SYJDataUi.viewmode();
 679       document.title = $('geom_title').value;
 680     },
 681
 682     saveFailure: function(transport, httpCode) {
 683         var message = "";
 684         if (typeof httpCode === "undefined") {
 685             httpCode = transport? transport.getStatus(): 0;
 686         }
 687
 688         switch (httpCode) {
 689             case 0:
 690                 message = SyjStrings.notReachedError;
 691             break;
 692             case 400:
 693             case 404:
 694                 message = SyjStrings.requestError;
 695             break;
 696             case 403:
 697                 message = "";
 698                 SYJLogin.messenger.setMessage(SyjStrings.loginNeeded, "warn");
 699                 SYJLogin.modalbox.show();
 700                 this.needsFormResubmit = true;
 701             break;
 702             case 410:
 703                 message = SyjStrings.gonePathError;
 704             break;
 705             case 500:
 706                 message = SyjStrings.serverError;
 707                 this.needsFormResubmit = true;
 708             break;
 709             default:
 710                 message = SyjStrings.unknownError;
 711             break;
 712         }
 713
 714         this.editMode();
 715         // is some cases, we let the user resubmit, in some other cases, he
 716         // needs to modify the path before submitting again
 717         if (this.needsFormResubmit) {
 718             SyjSaveUI.enable();
 719         }
 720
 721         this.messenger.setMessage(message, "error");
 722     }
 723 };
 724
 725 var SYJModalClass = Class.create({
 726     type: "",
 727
 728     init: function() {
 729         this.area = $(this.type + '_area');
 730         this.messenger = $(this.type + "_message");
 731         this.modalbox = new SimpleBox(this.area, {
 732             closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 733         });
 734
 735         var anchor = $(this.type + '_control_anchor');
 736         var parent = anchor.up('.menu-item');
 737         if (parent) {
 738             anchor = parent;
 739         }
 740         anchor.observe("click", function(evt) {
 741             this.modalbox.show();
 742             evt.stop();
 743         }.bindAsEventListener(this));
 744
 745         document.observe('simplebox:shown', this.observer.bindAsEventListener(this));
 746         document.observe('simplebox:hidden', this.observer.bindAsEventListener(this));
 747
 748         $(this.type + "form").ajaxize({
 749             presubmit: this.presubmit.bind(this),
 750             onSuccess: this.success.bind(this),
 751             onFailure: this.failure.bind(this)
 752         });
 753     },
 754
 755     checkNotEmpty: function(input, message) {
 756         if ($(input).value.strip().empty()) {
 757             this.messenger.setMessage(message, "warn");
 758             $(input).highlight('#F08080').activate();
 759             return false;
 760         }
 761         return true;
 762     },
 763
 764     observer: function(evt) {
 765         var simplebox, input;
 766
 767         if (evt.eventName === "simplebox:shown" && evt.memo.element !== $("termsofusearea")) {
 768             simplebox = evt.memo;
 769             if (simplebox === this.modalbox) {
 770                 input = this.area.select('input[type="text"]')[0];
 771                 (function () {
 772                     input.activate();
 773                 }.defer());
 774             } else {
 775                 this.modalbox.hide();
 776             }
 777
 778         } else if (evt.eventName === "simplebox:hidden" && evt.memo.element !== $("termsofusearea")) {
 779             simplebox = evt.memo;
 780             if (simplebox === this.modalbox) {
 781                 this.reset();
 782             }
 783         }
 784     },
 785
 786     failure: function(transport) {
 787         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
 788
 789         if (transport) {
 790             httpCode = transport.getStatus();
 791         }
 792
 793         switch (httpCode) {
 794             case 0:
 795                 message = SyjStrings.notReachedError;
 796             break;
 797             case 400:
 798             case 404:
 799             case 410:
 800                 message = SyjStrings.requestError;
 801             break;
 802             case 500:
 803                 message = SyjStrings.serverError;
 804             break;
 805         }
 806
 807         this.messenger.setMessage(message, "error");
 808         input = this.area.select('input[type="text"]')[0];
 809         input.highlight('#F08080').activate();
 810     },
 811
 812     reset: function() {
 813         this.messenger.clearMessages();
 814         this.area.select('.message').invoke('setMessageStatus', null);
 815     }
 816 });
 817
 818 var SYJUserClass = Class.create(SYJModalClass, {
 819     type: "user",
 820     toubox: null,
 821
 822     init: function($super) {
 823         $super();
 824         $("termsofusearea").hide();
 825
 826         var touevt = (function(evt) {
 827             if (evt.type === "keyup" && evt.keyCode !== 32) { // 32 = space
 828                 // allow opening box by pressing space
 829                 return;
 830             }
 831             if (!this.toubox) {
 832                 this.toubox = new SimpleBox($("termsofusearea"), {
 833                     closeMethods: ["onescapekey", "onouterclick", "onbutton"]
 834                 });
 835             }
 836             this.toubox.show();
 837             if (!$("termsofuseiframe").getAttribute("src")) {
 838                 $("termsofusearea").show();
 839                 $("termsofuseiframe").setAttribute("src", evt.target.href);
 840             }
 841             evt.stop();
 842         }).bindAsEventListener(this);
 843
 844         ["click", "keyup"].each(function (evtName) {
 845             $$("#user_termsofuse_anchor, #geom_termsofuse_anchor").invoke('observe', evtName, touevt);
 846         })
 847
 848         $$("#login_area_create > a").invoke('observe', 'click',
 849             function(evt) {
 850                 this.modalbox.show();
 851                 evt.stop();
 852             }.bindAsEventListener(this));
 853
 854         $("user_pseudo-desc").hide();
 855         $("user_pseudo").observe('contentchange', function(evt) {
 856             var value = evt.target.value;
 857             PseudoChecker.reset();
 858             if (value && !(value.match(/^[a-zA-Z0-9_.]+$/))) {
 859                 $("user_pseudo-desc").show().setMessageStatus("warn");
 860             } else {
 861                 $("user_pseudo-desc").hide();
 862             }
 863         }).timedobserve(function() {
 864             PseudoChecker.check();
 865         });
 866
 867         $("user_password").observe('contentchange', function(evt) {
 868             if (evt.target.value.length < 6) {
 869                 $("user_password-desc").setMessageStatus("warn");
 870             } else {
 871                 $("user_password-desc").setMessageStatus("success");
 872             }
 873         }.bindAsEventListener(this));
 874
 875         $('account-create-anchor').insert({after: new Toggler('account-info').element});
 876     },
 877
 878     presubmit: function() {
 879         this.messenger.clearMessages();
 880         PseudoChecker.reset();
 881         if (!(this.checkNotEmpty("user_pseudo", SyjStrings.userEmptyWarn))) {
 882             return false;
 883         }
 884
 885         if (!($("user_pseudo").value.match(/^[a-zA-Z0-9_.]+$/))) {
 886             $("user_pseudo-desc").show().setMessageStatus("warn");
 887             $("user_pseudo").highlight('#F08080').activate();
 888             return false;
 889         }
 890
 891         if (PseudoChecker.exists[$("user_pseudo").value]) {
 892             PseudoChecker.availableMessage(false);
 893             $("user_pseudo").highlight('#F08080').activate();
 894             return false;
 895         }
 896
 897         if (!(this.checkNotEmpty("user_password", SyjStrings.passwordEmptyWarn))) {
 898             return false;
 899         }
 900
 901         if ($("user_password").value.length < 6) {
 902             $("user_password-desc").setMessageStatus("warn");
 903             $("user_password").highlight('#F08080').activate();
 904             return false;
 905         }
 906
 907         if ($("user_password").value !== $("user_password_confirm").value) {
 908             this.messenger.setMessage(SyjStrings.passwordNoMatchWarn, "warn");
 909             $("user_password").highlight('#F08080').activate();
 910             return false;
 911         }
 912
 913         if (!(this.checkNotEmpty("user_email", SyjStrings.emailEmptyWarn))) {
 914             return false;
 915         }
 916
 917         if (!$("user_accept").checked) {
 918             this.messenger.setMessage(SyjStrings.acceptTermsofuseWarn, "warn");
 919             $("user_accept_container").highlight('#F08080');
 920             $("user_accept").activate();
 921             return false;
 922         }
 923
 924         this.reset();
 925         return true;
 926     },
 927
 928     success: function(transport) {
 929         if (!transport.responseJSON ||
 930             typeof transport.responseJSON.pseudo !== "string"
 931             ) {
 932             this.messenger.setMessage(SyjStrings.unknownError, "error");
 933             return;
 934         }
 935
 936         LoginMgr.login(transport.responseJSON.pseudo);
 937         SYJView.messenger.setMessage(SyjStrings.userSuccess, "success");
 938         this.modalbox.hide();
 939         if (SYJView.needsFormResubmit) {
 940             SYJView.messenger.addMessage(SyjStrings.canResubmit);
 941             $("geom_submit").activate();
 942         }
 943     },
 944
 945     failure: function($super, transport) {
 946         var httpCode = 0, focusInput = null, message = "";
 947
 948         if (transport) {
 949             httpCode = transport.getStatus();
 950         }
 951
 952         focusInput = null;
 953         message = "";
 954
 955         switch (httpCode) {
 956             case 400:
 957                 if (transport.responseJSON) {
 958                     switch (transport.responseJSON.message) {
 959                         case "invalidemail":
 960                             message = SyjStrings.emailInvalidWarn;
 961                             focusInput = $("user_email");
 962                         break;
 963                         case "uniquepseudo":
 964                             PseudoChecker.availableMessage(false);
 965                             focusInput = $("user_pseudo");
 966                         break;
 967                         case "uniqueemail":
 968                             message = SyjStrings.uniqueEmailError;
 969                             focusInput = $("user_email");
 970                         break;
 971                     }
 972                 }
 973             break;
 974         }
 975
 976         if (focusInput) {
 977             if (message) {
 978                 this.messenger.setMessage(message, "error");
 979             }
 980             focusInput.highlight('#F08080').activate();
 981             return;
 982         }
 983
 984         $super(transport);
 985     }
 986 });
 987 var SYJUser = new SYJUserClass();
 988
 989 var SYJLoginClass = Class.create(SYJModalClass, {
 990     type: "login",
 991
 992     init: function($super) {
 993         $super();
 994     },
 995
 996     presubmit: function() {
 997         this.messenger.clearMessages();
 998         if (!(this.checkNotEmpty("login_user", SyjStrings.userEmptyWarn))) {
 999             return false;
1000         }
1001
1002         this.reset();
1003         return true;
1004     },
1005
1006     success: function(transport) {
1007         if (!transport.responseJSON ||
1008             typeof transport.responseJSON.iscreator !== "boolean" ||
1009             typeof transport.responseJSON.pseudo !== "string"
1010             ) {
1011             this.messenger.setMessage(SyjStrings.unknownError, "error");
1012             return;
1013         }
1014         LoginMgr.login(transport.responseJSON.pseudo, transport.responseJSON.iscreator);
1015
1016         SYJView.messenger.setMessage(SyjStrings.loginSuccess, "success");
1017         this.modalbox.hide();
1018         if (SYJView.needsFormResubmit) {
1019             SYJView.messenger.addMessage(SyjStrings.canResubmit);
1020             $("geom_submit").activate();
1021         }
1022     },
1023
1024     failure: function($super, transport) {
1025         var httpCode = 0, focusInput = null, message = "";
1026
1027         if (transport) {
1028             httpCode = transport.getStatus();
1029         }
1030
1031         focusInput = null;
1032         message = "";
1033
1034         switch (httpCode) {
1035             case 403:
1036                 message = SyjStrings.loginFailure;
1037                 focusInput = $("login_user");
1038             break;
1039         }
1040
1041         if (message) {
1042             this.messenger.setMessage(message, "error");
1043             if (focusInput) {
1044                 focusInput.highlight('#F08080').activate();
1045             }
1046             return;
1047         }
1048
1049         $super(transport);
1050     }
1051 });
1052 var SYJLogin = new SYJLoginClass();
1053
1054 var SYJNewpwdClass = Class.create(SYJModalClass, {
1055     type: "newpwd",
1056
1057     presubmit: function() {
1058         if (!(this.checkNotEmpty("newpwd_email", SyjStrings.emailEmptyWarn))) {
1059             return false;
1060         }
1061         this.reset();
1062         return true;
1063     },
1064     success: function(transport) {
1065         SYJView.messenger.setMessage(SyjStrings.newpwdSuccess, "success");
1066         this.modalbox.hide();
1067     }
1068
1069 });
1070 var SYJNewpwd = new SYJNewpwdClass();
1071
1072 var LoginMgr = Object.extend(gLoggedInfo, {
1073     controlsdeck: null,
1074
1075     updateUI: function() {
1076         if (!this.controlsdeck) {
1077             this.controlsdeck = new Deck("login_controls");
1078         }
1079         if (this.logged) {
1080             this.controlsdeck.setIndex(1);
1081             $$(".logged-hide").invoke('hide');
1082             $$(".logged-show").invoke('show');
1083         } else {
1084             this.controlsdeck.setIndex(0);
1085             $$(".logged-hide").invoke('show');
1086             $$(".logged-show").invoke('hide');
1087         }
1088
1089         if ($("edit-btn")) {
1090             if (this.iscreator && SYJView.mode === 'view') {
1091                 $("edit-btn").show();
1092             } else {
1093                 $("edit-btn").hide();
1094             }
1095         }
1096     },
1097
1098     login: function(aPseudo, aIsCreator) {
1099         if (typeof aIsCreator === "boolean") {
1100             this.iscreator = aIsCreator;
1101         }
1102         this.logged = true;
1103         $$('.logged-pseudo').each(function(elt) {
1104             $A(elt.childNodes).filter(function(node) {
1105                 return (node.nodeType === 3 || node.tagName.toLowerCase() === 'br');
1106             }).each(function(node) {
1107                 node.nodeValue = node.nodeValue.replace('%s', aPseudo);
1108             });
1109         });
1110         this.updateUI();
1111     }
1112 });
1113
1114 var PseudoChecker = {
1115     req: null,
1116     exists: {},
1117     currentvalue: null,
1118     messageelt: null,
1119     throbber: null,
1120
1121     message: function(str, status, throbber) {
1122         var row;
1123         if (!this.messageelt) {
1124             row = new Element('tr');
1125             // we can't use row.update('<td></td><td><div></div></td>')
1126             // because gecko would mangle the <td>s
1127             row.insert(new Element('td'))
1128                .insert((new Element('td')).update(new Element('div')));
1129
1130             $("user_pseudo").up('tr').insert({after: row});
1131             this.messageelt = new Element('span');
1132             this.throbber = new Element("img", { src: "icons/throbber.gif"});
1133             row.down('div').insert(this.throbber).insert(this.messageelt);
1134         }
1135         if (throbber) {
1136             this.throbber.show();
1137         } else {
1138             this.throbber.hide();
1139         }
1140         this.messageelt.up().setStyle({visibility: ''});
1141         this.messageelt.className = status;
1142         this.messageelt.update(str);
1143     },
1144
1145     availableMessage: function(available) {
1146         var message = available ? SyjStrings.availablePseudo: SyjStrings.unavailablePseudo,
1147             status = available ? "success": "warn";
1148         this.message(message, status, false);
1149     },
1150
1151     reset: function() {
1152         if (this.req) {
1153             this.req.abort();
1154             this.req = this.currentvalue = null;
1155         }
1156         if (this.messageelt) {
1157             this.messageelt.up().setStyle({visibility: 'hidden'});
1158         }
1159     },
1160
1161     check: function() {
1162         var pseudo = $("user_pseudo").value;
1163
1164         this.reset();
1165
1166         if (!pseudo || !(pseudo.match(/^[a-zA-Z0-9_.]+$/))) {
1167             return;
1168         }
1169
1170         if (typeof this.exists[pseudo] === "boolean") {
1171             this.reset();
1172             this.availableMessage(!this.exists[pseudo]);
1173             return;
1174         }
1175
1176         this.message(SyjStrings.pseudoChecking, "", true);
1177
1178         this.currentvalue = pseudo;
1179         this.req = new Ajax.TimedRequest('userexists/' + encodeURIComponent(pseudo), 20, {
1180             onFailure: this.failure.bind(this),
1181             onSuccess: this.success.bind(this)
1182         });
1183     },
1184
1185     failure: function(transport) {
1186         var httpCode = 0, value = this.currentvalue;
1187
1188         if (transport) {
1189             httpCode = transport.getStatus();
1190         }
1191         this.reset();
1192         if (httpCode === 404) {
1193             this.exists[value] = false;
1194             this.availableMessage(true);
1195         }
1196
1197     },
1198
1199     success: function(transport) {
1200         var httpCode = transport.getStatus(), value = this.currentvalue;
1201         this.reset();
1202         this.exists[value] = true;
1203         this.availableMessage(false);
1204     }
1205 };
1206
1207 var Nominatim = (function() {
1208     var presubmit = function() {
1209         var input = $("nominatim-search");
1210         if (input.value.strip().empty()) {
1211             $("nominatim-message").setMessage(SyjStrings.notEmptyField, "warn");
1212             input.activate();
1213             return false;
1214         }
1215         $("nominatim-suggestions").hide();
1216         $("nominatim-message").hide();
1217         $("nominatim-throbber").show();
1218         return true;
1219     };
1220
1221     var zoomToExtent = function(bounds) { // we must call map.setCenter with forceZoomChange to true. See ol#2798
1222         var center = bounds.getCenterLonLat();
1223         if (this.baseLayer.wrapDateLine) {
1224             var maxExtent = this.getMaxExtent();
1225             bounds = bounds.clone();
1226             while (bounds.right < bounds.left) {
1227                 bounds.right += maxExtent.getWidth();
1228             }
1229             center = bounds.getCenterLonLat().wrapDateLine(maxExtent);
1230         }
1231         this.setCenter(center, this.getZoomForExtent(bounds), false, true);
1232     };
1233
1234     var success = function(transport) {
1235         $("nominatim-throbber").hide();
1236
1237         if (!transport.responseJSON || !transport.responseJSON.length) {
1238             $("nominatim-message").setMessage(SyjStrings.noResult, 'error');
1239             $("nominatim-search").activate();
1240             return;
1241         }
1242
1243         var place = transport.responseJSON[0],
1244             bbox = place.boundingbox;
1245
1246         if (!bbox || bbox.length !== 4) {
1247             $("nominatim-message").setMessage(SyjStrings.requestError, 'error');
1248             return;
1249         }
1250
1251         extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
1252         zoomToExtent.call(SYJView.map, extent);
1253
1254         $("nominatim-suggestions-list").update();
1255
1256         var clickhandler = function(bbox) {
1257             return function(evt) {
1258                 evt.stop();
1259                 var extent = new OpenLayers.Bounds(bbox[2], bbox[1], bbox[3], bbox[0]).transform(WGS84, Mercator);
1260                 $("nominatim-suggestions-list").select("li").invoke('removeClassName', 'current');
1261                 evt.target.up('li').addClassName('current');
1262                 SYJView.map.zoomToExtent(extent);
1263             };
1264         };
1265
1266         var i;
1267         for (i = 0; i < transport.responseJSON.length; i++) {
1268             var item = transport.responseJSON[i];
1269             if (item.display_name && item.boundingbox && item.boundingbox.length === 4) {
1270                 var li = new Element("li");
1271                 var anchor = new Element("a", {
1272                     href: "",
1273                     className: "nominatim-suggestions-link"
1274                 });
1275
1276                 anchor.observe('click', clickhandler(item.boundingbox));
1277                 Element.text(anchor, item.display_name);
1278
1279                 var icon = new Element("img", {
1280                     className: "nominatim-suggestions-icon",
1281                     src: item.icon || 'icons/world.png'
1282                 });
1283                 li.insert(icon).insert(anchor);
1284                 $("nominatim-suggestions-list").insert(li);
1285                 if ($("nominatim-suggestions-list").childNodes.length >= 6) {
1286                     break;
1287                 }
1288             }
1289         }
1290
1291         if ($("nominatim-suggestions-list").childNodes.length > 1) {
1292             var bottomOffset = $('data_controls').measure('height') + 3;
1293             $("nominatim-suggestions").setStyle({
1294                 bottom: (document.viewport.getHeight() - $('data_controls').cumulativeOffset().top + 3).toString() + 'px'
1295             }).show();
1296             $("nominatim-suggestions-list").select("li:first-child")[0].addClassName('current');
1297         } else {
1298             $("nominatim-suggestions").hide();
1299         }
1300
1301     };
1302
1303     var failure = function(transport) {
1304         $("nominatim-throbber").hide();
1305
1306         var httpCode = 0, message = SyjStrings.unknownError, input; // default message error
1307
1308         if (transport) {
1309             httpCode = transport.getStatus();
1310         }
1311
1312         switch (httpCode) {
1313             case 0:
1314                 message = SyjStrings.notReachedError;
1315             break;
1316             case 400:
1317             case 404:
1318                 message = SyjStrings.requestError;
1319             break;
1320             case 500:
1321                 message = SyjStrings.serverError;
1322             break;
1323         }
1324
1325         $("nominatim-message").setMessage(message, 'error');
1326     };
1327
1328     return {
1329         init: function() {
1330             if (!$("nominatim-form")) {
1331                return;
1332             }
1333             $("nominatim-controls").hide();
1334             $("nominatim-label").observe('click', function(evt) {
1335                 $("nominatim-controls").show();
1336                 $("nominatim-search").activate();
1337                 evt.stop();
1338             });
1339
1340             $("nominatim-form").ajaxize({
1341                 presubmit: presubmit,
1342                 onSuccess: success,
1343                 onFailure: failure
1344               });
1345             new CloseBtn($("nominatim-suggestions"));
1346
1347             $$("#nominatim-message, #nominatim-suggestions, #nominatim-throbber").invoke('hide');
1348         }
1349     };
1350 }());
1351
1352 document.observe("dom:loaded", function() {
1353     SYJLogin.init();
1354     SYJUser.init();
1355     SYJDataUi.viewmode();
1356     SYJView.init();
1357     SYJNewpwd.init();
1358     LoginMgr.updateUI();
1359     Nominatim.init();
1360 });
1361
1362 window.onbeforeunload = function() {
1363     if (SYJView.unsavedRoute) {
1364         return SyjStrings.unsavedConfirmExit;
1365     } else {
1366         return undefined;
1367     }
1368 };