potlatch2.mxml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <mx:Application
   3     xmlns:fx="http://ns.adobe.com/mxml/2009"
   4         xmlns:mx="library://ns.adobe.com/flex/mx"
   5     xmlns:s="library://ns.adobe.com/flex/spark"
   6         xmlns:halcyon="net.systemeD.halcyon.*"
   7         xmlns:potlatch2="net.systemeD.potlatch2.*"
   8         layout="vertical"
   9         horizontalScrollPolicy="off"
  10         verticalScrollPolicy="off"
  11         horizontalAlign="center"
  12         addedToStage="startInit()"
  13         preloader="net.systemeD.potlatch2.Preloader">
  14
  15
  16
  17         <fx:Style source="styles/Application.css"/>
  18
  19     <fx:Declarations>
  20         <map:LocalizationMap xmlns:map="l10n.map.*" />
  21         <mx:Glow id="glowImage" duration="100"
  22             alphaFrom="0.3" alphaTo="1.0"
  23             blurXFrom="0.0" blurXTo="5.0"
  24             blurYFrom="0.0" blurYTo="5.0"
  25             color="0xFF8000"/>
  26         <mx:Glow id="unglowImage" duration="100"
  27             alphaFrom="1.0" alphaTo="0.3"
  28             blurXFrom="5.0" blurXTo="0.0"
  29             blurYFrom="5.0" blurYTo="0.0"
  30             color="0xFF8000"/>
  31         <mx:WipeLeft id="wipeOut" duration="250"/>
  32         <mx:WipeRight id="wipeIn" duration="250"/>
  33     </fx:Declarations>
  34
  35     <mx:ApplicationControlBar id="controlbar" dock="true" tabChildren="false" >
  36         <mx:Button label="Save" icon="@Embed('embedded/upload.svg')" disabledIcon="@Embed('embedded/upload_disabled.svg')" styleName="appBarButton"
  37                         click="SaveManager.saveChanges(theMap.editableLayer.connection);" id="saveButton" enabled="false"/>
  38         <mx:Button id="helpButton" label="Help" click="new HelpDialog().init();" styleName="appBarButton" />
  39         <mx:Spacer width="40"/>
  40         <mx:Button id="undo" label="Undo" click="MainUndoStack.getGlobalStack().undo();" styleName="appBarButton"
  41             enabled="{MainUndoStack.getGlobalStack().canUndo()}"
  42             toolTip="{MainUndoStack.getGlobalStack().getUndoDescription() ? 'Undo '+MainUndoStack.getGlobalStack().getUndoDescription() : 'Undo last action'}" />
  43         <mx:Button id="redo" label="Redo" click="MainUndoStack.getGlobalStack().redo();" styleName="appBarButton"
  44             enabled="{MainUndoStack.getGlobalStack().canRedo()}"
  45             toolTip="{MainUndoStack.getGlobalStack().getRedoDescription() ? 'Redo '+MainUndoStack.getGlobalStack().getRedoDescription() : 'Redo last action'}" />
  46         <mx:Spacer width="100%"/>
  47         <mx:PopUpButton id="bgButton" label="Background" openAlways="true" styleName="appBarButton" open="disableMapMouse();" close="enableMapMouse();"
  48             creationComplete="bgButton.popUp = new BackgroundSelector();"/>
  49         <mx:PopUpButton id="styleButton" label="Map Style" openAlways="true" styleName="appBarButton" open="disableMapMouse();" close="enableMapMouse();"
  50             creationComplete="styleButton.popUp = new StyleSelector();"/>
  51                 <mx:PopUpMenuButton id="gpsButton" label="GPS" styleName="appBarButton" open="disableMapMouse();" close="enableMapMouse();"
  52                     itemClick="if (event.index==0) { trackLoader.load(); }
  53                           else if (event.index==1) { new MyGpxDialog().init(); }
  54                                               else { mx.controls.Menu(gpsButton.popUp).selectedIndex=0;
  55                                                      mx.controls.Menu(gpsButton.popUp).selectedIndex=0; /* Yes, we do need to call it twice */
  56                                                      theMap.removeLayerByName('GPS tracks'); }">
  57                         <mx:dataProvider>
  58                                 <fx:Array>
  59                                         <fx:Object label="GPS data" id="gpsData" />
  60                                         <fx:Object label="My tracks" id="myTracks" />
  61                                         <fx:Object label="Clear" id="clearGps" />
  62                                 </fx:Array>
  63                         </mx:dataProvider>
  64                 </mx:PopUpMenuButton>
  65         <mx:Button id="optionsButton" label="Options" click="new OptionsDialog().init();" styleName="appBarButton" />
  66     </mx:ApplicationControlBar>
  67
  68     <mx:HDividedBox width="100%" height="100%">
  69
  70           <!-- Tag viewer -->
  71           <potlatch2:TagViewer width="25%" height="100%" id="tagViewer"/>
  72
  73       <mx:VBox width="75%" height="100%" verticalGap="0" id="rhContent" >
  74           <mx:Canvas width="100%" height="100%">
  75             <mx:Canvas id="map_area" resize="onResizeMap()"
  76                 top="0" left="0" width="100%" height="100%" dragEnter="dragEnterHandler(event);" dragDrop="dragDropHandler(event);">
  77             </mx:Canvas>
  78             <mx:Image source="@Embed('embedded/zoomIn.svg')" left="5" top="5" click="theMap.zoomIn();"
  79                 rollOverEffect="glowImage" rollOutEffect="unglowImage" toolTip="{'Zoom in - currently z'+getScale()}" />
  80             <mx:Image source="@Embed('embedded/zoomOut.svg')" left="5" top="22" click="theMap.zoomOut();"
  81                 rollOverEffect="glowImage" rollOutEffect="unglowImage" toolTip="{'Zoom out - currently z'+getScale()}" />
  82             <mx:Image source="@Embed('embedded/search.svg')" left="5" top="42" click="new FindDialog().init();"
  83                 rollOverEffect="glowImage" rollOutEffect="unglowImage" toolTip="Find place" />
  84             <mx:TextArea id="dataWorking" text="" right="5" top="5" disabledColor="black" backgroundDisabledColor="0xFFFFEA" height="18"
  85                 enabled="false" borderThickness="0"
  86                 showEffect="{wipeIn}" hideEffect="{wipeOut}"/>
  87             <mx:TextArea id="coordsbox" left="25" top="5" disabledColor="black" backgroundDisabledColor="0xFFFFEA" height="33"
  88                 width="57" enabled="false" borderThickness="0" visible="false"/>
  89
  90         </mx:Canvas>
  91         <potlatch2:ContextualHelp width="100%" height="30" id="contextHelp" />
  92     </mx:VBox>
  93
  94     </mx:HDividedBox>
  95
  96         <fx:Script><![CDATA[
  97                 import net.systemeD.halcyon.*;
  98                 import net.systemeD.halcyon.connection.*;
  99                 import net.systemeD.potlatch2.*;
 100                 import net.systemeD.potlatch2.save.SaveManager;
 101                 import net.systemeD.potlatch2.find.*;
 102                 import net.systemeD.potlatch2.collections.*;
 103                 import net.systemeD.potlatch2.controller.*;
 104                 import net.systemeD.potlatch2.help.*;
 105                 import net.systemeD.potlatch2.dialogs.*;
 106                 import net.systemeD.potlatch2.utils.*;
 107                 import net.systemeD.controls.FloatingAlert;
 108                 import net.systemeD.controls.Spinner;
 109                 import mx.managers.PopUpManager;
 110                 import flash.system.Security;
 111                 import flash.net.*;
 112                 import flash.utils.Timer;
 113                 import flash.events.TimerEvent;
 114                 import flash.events.MouseEvent;
 115                 import flash.display.Sprite;
 116                 import mx.core.IChildList;
 117         import mx.containers.Canvas;
 118                 import mx.core.Application;
 119                 import mx.core.FlexGlobals;
 120         import mx.events.DragEvent;
 121         import mx.events.CloseEvent;
 122         import mx.managers.DragManager;
 123         import mx.core.DragSource;
 124         import mx.controls.Alert;
 125         import org.babelfx.events.LocaleEvent;
 126
 127         public var theMap:Map;
 128         public var theController:EditController;
 129                 public var trackLoader:TrackLoader;
 130                 public var toolbox:Toolbox;
 131                 public var floatingMap:FloatingMap;
 132         public var bugLoader:BugLoader;
 133         public var bikeShopLoader:BikeShopLoader;
 134
 135                 private var savecount:uint=0;
 136                 private var loadcount:uint=0;
 137                 private var spinner:Spinner;
 138                 private var saveLabel:String='Save';
 139                 private var saveTimer:Timer;
 140                 private var mouseTimer:Timer;
 141                 private var resizeTimer:Timer;
 142
 143         include "version.as";
 144
 145                 private function startInit():void {
 146                         var loader:Loader = new Loader();
 147                         loader.contentLoaderInfo.addEventListener(Event.COMPLETE, startApp);
 148             if (loaderInfo.parameters['font_library']) {
 149                             loader.load(new URLRequest(loaderInfo.parameters['font_library']));
 150             } else {
 151                             loader.load(new URLRequest("FontLibrary.swf"));
 152             }
 153
 154             if (loaderInfo.parameters['locale'] && loaderInfo.parameters['locale']!='en_US') {
 155                 // we don't bother with localisation if the user is en_US, as P2 is in English by default
 156                 Globals.vars.locale = loaderInfo.parameters['locale'];
 157                 Globals.vars.locale_paths = loaderInfo.parameters['locale_paths'];
 158                 dispatchEvent(new LocaleEvent(LocaleEvent.LOAD_LOCALE, loaderInfo.parameters['locale']));
 159                 dispatchEvent(new LocaleEvent(LocaleEvent.LOAD_LOCALE, 'en_US')); // think en_US is default
 160                 resourceManager.localeChain = [loaderInfo.parameters['locale'], 'en_US'];
 161             }
 162                 }
 163
 164                 private function startApp(event:Event):void {
 165                         controlbar.setStyle('dropShadowEnabled',"false");       // Flex 4 doesn't permit this in Application.css
 166
 167                         // Set font
 168                         var FontLibrary:Class = event.target.applicationDomain.getDefinition("FontLibrary") as Class;
 169                         Font.registerFont(FontLibrary.DejaVu);
 170
 171                         Globals.vars.map_area = map_area;
 172                         Globals.vars.root = map_area.rawChildren;                       // set up global reference to root level
 173                         var _root:IChildList = map_area.rawChildren;            // convenient local shorthand
 174                         Globals.vars.nocache = loaderInfo.parameters['nocache'] == 'true';
 175                         Globals.vars.flashvars = loaderInfo.parameters;
 176
 177                         // Remember localised Save text, because we change this dynamically
 178                         saveLabel=saveButton.label;
 179
 180                         // populate sharedObject with loaderInfo parameters if supplied
 181                         var obj:SharedObject = SharedObject.getLocal("user_state","/");
 182                         var objChanged:Boolean = false;
 183                         if (loaderInfo.parameters['tileurl']) {
 184                                 obj.setProperty('background_url',loaderInfo.parameters['tileurl']);
 185                                 obj.setProperty('background_name','Custom');
 186                                 objChanged=true;
 187                         }
 188                         if (loaderInfo.parameters['style']) {
 189                                 obj.setProperty('stylesheet_url',loaderInfo.parameters['style']);
 190                                 obj.setProperty('stylesheet_name','Custom');
 191                                 objChanged=true;
 192                         }
 193                         if (objChanged) { try { obj.flush(); } catch (e:Error) {} }
 194
 195                         // hide contextual help if user preference
 196                         if (obj.data.hasOwnProperty('hide_context_help') && obj.data['hide_context_help']) {
 197                                 contextHelp.visible = false;
 198                                 contextHelp.height  = 0;
 199                         }
 200
 201                         // map backdrop object
 202             var w:uint = map_area.width;
 203             var h:uint = map_area.height;
 204             var b:Sprite = new Sprite();
 205             b.height=h; b.width=w;
 206             b.graphics.beginFill(0xFFFFEA,100);
 207             b.graphics.drawRect(0,0,w,h);
 208             b.graphics.endFill();
 209                         _root.addChild(b);
 210
 211                         // pass additional parameters to map
 212                         var params:Object={}; var k:String;
 213                         for (k in this.loaderInfo.parameters) params[k]=this.loaderInfo.parameters[k];
 214                         for (k in SharedObject.getLocal('user_state',"/").data) params[k]=SharedObject.getLocal('user_state',"/").data[k];
 215
 216                         // Create map
 217                         var overlay:Sprite=TileSet.overlaySprite();
 218                         theMap=new Map(overlay);
 219                         theMap.backdrop=b;
 220             theMap.updateSize(w,h);
 221                         theMap.addEventListener(MapEvent.SCALE, scaleHandler);
 222                         _root.addChild(theMap);
 223                         _root.addChild(overlay);
 224
 225                         // Initialise stylesheets
 226                         Stylesheets.instance().init();
 227                         Stylesheets.instance().addEventListener(CollectionEvent.SELECT,
 228                                 function(e:CollectionEvent):void { theMap.editableLayer.setStyle(String(e.data)); }
 229                         );
 230
 231                         // Add core data layer
 232                         var conn:Connection = new XMLConnection("Main", params['api'], params['policy'], params);
 233             conn.addEventListener(Connection.LOAD_STARTED, onDataStart);
 234             conn.addEventListener(Connection.LOAD_COMPLETED, onDataComplete);
 235             conn.addEventListener(Connection.SAVE_STARTED, onDataStart);
 236             conn.addEventListener(Connection.SAVE_COMPLETED, onDataComplete);
 237             conn.addEventListener(Connection.DATA_DIRTY, onDataDirty);
 238             conn.addEventListener(Connection.DATA_CLEAN, onDataClean);
 239                         conn.addEventListener(MapEvent.ERROR, onMapError);
 240                         conn.addEventListener(AttentionEvent.ATTENTION, onAttention);
 241                         conn.addEventListener(AttentionEvent.ALERT, onAlert);
 242                         theMap.addLayer(conn, Stylesheets.instance().selected.url, false, true);
 243
 244             // Auto-load vector backgrounds from config
 245             theMap.addEventListener(MapEvent.INITIALISED, function(e:Event):void { VectorBackgrounds.instance().init(theMap); });
 246
 247                         // Add loading 'spinner' indicator
 248                         spinner=new Spinner();
 249                         _root.addChild(spinner);
 250                         spinner.x=dataWorking.x-20;
 251                         spinner.y=dataWorking.y+dataWorking.height/2;
 252
 253                         // Set start position of map
 254                         // ** FIXME: if lat/lon/zoom aren't supplied, we need to keep the map in a non-loading state
 255                         //           until the user has decided where to start editing (e.g. when the first GPX loads)
 256                         theMap.init(params['lat'], params['lon'], params['zoom']);
 257
 258                         // mouse-up handler attached to stage, so the user can release outside the map
 259                         stage.addEventListener(MouseEvent.MOUSE_UP, theMap.mouseUpHandler);
 260                         Globals.vars.map_area.addEventListener(MouseEvent.MOUSE_MOVE, theMap.mouseMoveHandler);
 261                         Globals.vars.map_area.addEventListener(MouseEvent.MOUSE_DOWN, theMap.mouseDownHandler);
 262
 263                         // initialise imagery
 264                         theMap.tileset.blocks=[/google\./i];    // hard-coded block on Google tiles
 265                         theMap.tileset.setDimming(params['background_dim']    ==null ? true  : params['background_dim']);
 266                         theMap.tileset.setSharpen(params['background_sharpen']==null ? false : params['background_sharpen']);
 267                         var imagery:Imagery = Imagery.instance();
 268                         imagery.init();
 269                         theMap.tileset.init(imagery.selected, imagery.selected != '');
 270                         imagery.addEventListener(MapEvent.BUMP, bumpHandler);
 271                         imagery.addEventListener(CollectionEvent.SELECT,
 272                                 function(e:CollectionEvent):void {
 273                                         theMap.tileset.setBackgroundFromImagery(e.data,false);
 274                                 }
 275                         );
 276                         imagery.addEventListener('imageryLoaded',function(e:Event):void {
 277                                 // Tell the function key manager that we'd like to receive function key calls
 278                                 FunctionKeyManager.instance().registerListener('Background imagery',
 279                                         function(o:String):void { theMap.tileset.setBackgroundFromImagery(imagery.findBackgroundWithName(o),true); });
 280                                 dispatchEvent(new Event("collection_changed"));
 281                         });
 282                         imagery.addEventListener('refreshAttribution',function(e:Event):void {
 283                                 theMap.tileset.setLogo(); theMap.tileset.setAttribution(); theMap.tileset.setTerms();
 284                         });
 285
 286                         // keyboard event attached to stage
 287                         stage.addEventListener(KeyboardEvent.KEY_UP, theMap.keyUpHandler);
 288
 289                         // mouse-position listener for co-ordinate display
 290             theMap.addEventListener(MapEvent.MOUSE_MOVE, mouseoverHandler);
 291
 292                         // position toolbox
 293                         toolbox=Toolbox(PopUpManager.createPopUp(this,Toolbox,false));
 294                         toolbox.init(theController);
 295                         toolbox.x=suggestToolboxX();
 296                         toolbox.y=suggestToolboxY();
 297                         Globals.vars.root=theMap;
 298
 299                         // create controller
 300             theController = new EditController(theMap, tagViewer, toolbox);
 301             theController.setActive();
 302                         theController.addEventListener(AttentionEvent.ATTENTION, onAttention);
 303                         theController.addEventListener(AttentionEvent.ALERT, onAlert);
 304                         theController.addEventListener(EditController.CHANGED_STATE, onStateChanged);
 305
 306                         // add floating map
 307                         floatingMap=FloatingMap(PopUpManager.createPopUp(this,FloatingMap,false));
 308                         floatingMap.visible=false;
 309                         floatingMap.init(theController);
 310                         floatingMap.x=stage.stageWidth-410;
 311                         floatingMap.y=36;
 312
 313             // set the access token from saved cookie
 314             var tokenObject:SharedObject = SharedObject.getLocal("access_token","/");
 315             conn.setAccessToken(tokenObject.data["oauth_token"], tokenObject.data["oauth_token_secret"]);
 316
 317             // Load any requested GPX track
 318             if (loaderInfo.parameters['gpx']) {
 319                 var id:Number = loaderInfo.parameters['gpx'];
 320                 if (conn.hasAccessToken()) {
 321                     loadTrace(id);
 322                 } else {
 323                     SaveManager.ensureAccess(function ():void { loadTrace(id); }, conn);
 324                 }
 325             }
 326
 327                         // Load arbitrary GPX from provided URL
 328                         if (loaderInfo.parameters['gpx_url']) {
 329
 330                 var gpx_url:String = loaderInfo.parameters['gpx_url'];
 331
 332                 var connection:Connection = new Connection(name, gpx_url, null, null);
 333                 var gpx:GpxImporter=new GpxImporter(connection, theMap,
 334                                                 function(connection:Connection,options:Object,success:Boolean,message:String=null):void {
 335                                                     if (!success) return;
 336                                                     var paint:MapPaint = theMap.addLayer(connection, "stylesheets/gpx.css");
 337                                                     paint.updateEntityUIs(false, false);
 338                                                     dispatchEvent(new Event("layers_changed"));
 339                                                 }, false);
 340                                 gpx.importFromRemoteFiles([gpx_url]);
 341                         }
 342
 343                         // create GPS trackloader
 344                         trackLoader=new TrackLoader(theMap,conn.apiBase);
 345
 346             // Force authentication on startup, if required
 347             // force_auth == force => checks for access token, and displays OAuth panel if needed
 348             var force_auth:String = loaderInfo.parameters["force_auth"];
 349             if (!conn.hasAccessToken() && force_auth == 'force') {
 350               SaveManager.ensureAccess(onAccessChecked, conn);
 351             }
 352
 353             // show help dialog on startup, if required
 354             // show_help == always => on every startup
 355             // show_help == once => show on first startup only
 356             var show_help:String = loaderInfo.parameters["show_help"];
 357
 358             if (show_help == 'always' || (show_help == 'once' && obj.data["help_shown"] != "true")) {
 359               new HelpDialog().init();
 360             }
 361
 362             // Check if Tiger highlighting should be enabled from saved object
 363             Globals.vars.highlightTiger = obj.data['tiger_highlighted'];
 364                 }
 365
 366                 public function onMapError(mapEvent:MapEvent):void {
 367                         var buttons:uint=0;
 368                         if (mapEvent.params.yes             ) buttons|=mx.controls.Alert.YES;
 369                         if (mapEvent.params.no              ) buttons|=mx.controls.Alert.NO;
 370                         if (mapEvent.params.cancel          ) buttons|=mx.controls.Alert.CANCEL;
 371                         if (mapEvent.params.ok || buttons==0) buttons|=mx.controls.Alert.OK;
 372                         Alert.show(mapEvent.params.message, 'Error', buttons, null, function(closeEvent:CloseEvent):void {
 373                                 switch (closeEvent.detail) {
 374                                         case mx.controls.Alert.CANCEL:  mapEvent.params.cancel(); break; //fixme? this gets called if user presses escape, even if there's no cancel button.
 375                                         case mx.controls.Alert.YES:             mapEvent.params.yes(); break;
 376                                         case mx.controls.Alert.NO:              mapEvent.params.no(); break;
 377                                         default:                                                if (mapEvent.params.ok) mapEvent.params.ok();
 378                                 }
 379                         });
 380                 }
 381
 382                 /** Highlight an entity in response to an 'attention' event */
 383
 384                 public function onAttention(event:AttentionEvent):void {
 385                         var entity:Entity=event.entity;
 386                         if (entity is Relation) {
 387                                 // If it's a relation, just bring up the editor panel
 388                                 var panel:RelationEditorPanel = RelationEditorPanel(
 389                                         PopUpManager.createPopUp(Application(FlexGlobals.topLevelApplication), RelationEditorPanel, true));
 390                                 panel.setRelation(entity as Relation);
 391                                 PopUpManager.centerPopUp(panel);
 392                                 return;
 393                         }
 394
 395                         var lat:Number, lon:Number;
 396                         var panTo:Boolean=true;
 397                         if (entity is Way) {
 398                                 // If it's a way, find if it's on-screen
 399                                 for (var i:uint=0; i<Way(entity).length; i++) {
 400                                         var node:Node=Way(entity).getNode(i)
 401                                         if (node.within(theMap.edge_l,theMap.edge_r,theMap.edge_t,theMap.edge_b)) { panTo=false; }
 402                                         lat=node.lat; lon=node.lon;
 403                                 }
 404                         } else if (entity is Node) {
 405                                 // If it's a node, check if it's on-screen
 406                                 if (entity.within(theMap.edge_l,theMap.edge_r,theMap.edge_t,theMap.edge_b)) { panTo=false; }
 407                                 lat=Node(entity).lat; lon=Node(entity).lon;
 408                         }
 409                         // Pan if required, and select the object
 410                         if (panTo) { theMap.moveMapFromLatLon(lat,lon); }
 411                         theController.setState(theController.findStateForSelection([entity]));
 412                 }
 413
 414                 /** Display floating warning in response to an 'alert' event */
 415
 416                 public function onAlert(event:AttentionEvent):void {
 417                         var alert:FloatingAlert=new FloatingAlert(event.message);
 418                         stage.addChild(alert);
 419                 }
 420
 421                 /** ControllerState has changed, so update contextual help */
 422
 423                 public function onStateChanged(event:Event):void {
 424                         var helpId:String = theController.state.contextualHelpId();
 425                         contextHelp.selectedChild = contextHelp.hasOwnProperty("context"+helpId) ? contextHelp["context"+helpId] : contextHelp["contextNotFound"];
 426                 }
 427
 428         public function onResizeMap():void {
 429                         if (!theMap) return;
 430                         theMap.updateSize(map_area.width, map_area.height);
 431
 432                         if (toolbox) {
 433                                 toolbox.x=Math.min(toolbox.x,suggestToolboxX());
 434                                 toolbox.y=Math.min(toolbox.y,suggestToolboxY());
 435                         }
 436
 437                         if (!resizeTimer) {
 438                                 resizeTimer=new Timer(300);
 439                                 resizeTimer.addEventListener(TimerEvent.TIMER, resizeMapEnd, false, 0, true);
 440                         }
 441                         resizeTimer.reset();
 442                         resizeTimer.start();
 443         }
 444                 private function resizeMapEnd(e:Event):void {
 445                         resizeTimer.stop();
 446                         theMap.download();
 447                 }
 448                 private function bumpHandler(e:MapEvent):void {
 449                         if (toolbox) {
 450                                 toolbox.y=Math.min(toolbox.y,suggestToolboxY(e.params.y+5));
 451                         }
 452                 }
 453                 private function suggestToolboxX():int {
 454                         var rhCP:Point=rhContent.localToGlobal(new Point(0,0));
 455                         return rhCP.x + theMap.scrollRect.width - toolbox.width - 5;
 456                 }
 457                 private function suggestToolboxY(yOffset:int=0):int {
 458                         var rhCP:Point=rhContent.localToGlobal(new Point(0,0)); // stage co-ordinates of right-hand content area
 459                         return rhCP.y + theMap.scrollRect.height - toolbox.height - 5 - yOffset;
 460                 }
 461
 462                 private function disableMapMouse():void {
 463                         map_area.mouseChildren=false;
 464                         map_area.mouseEnabled=false;
 465                 }
 466
 467                 private function enableMapMouse():void {
 468                         mouseTimer=new Timer(300);
 469                         mouseTimer.addEventListener(TimerEvent.TIMER, doEnable, false, 0, true);
 470                         mouseTimer.start();
 471                 }
 472
 473                 private function doEnable(event:Event):void {
 474                         map_area.mouseChildren=true;
 475                         map_area.mouseEnabled=true;
 476                         mouseTimer.removeEventListener(TimerEvent.TIMER, doEnable);
 477                         mouseTimer=null;
 478                 }
 479
 480         private function mouseoverHandler(e:MapEvent):void {
 481             if (coordsbox.visible) {
 482                 coordsbox.text= Number(e.params.x).toFixed(5) + "\n " + Number(e.params.y).toFixed(5); // Not sure if 5 dp's really required.
 483             }
 484         }
 485
 486         private function onDataStart(event:Event):void {
 487                         switch (event.type) {
 488                                 case Connection.LOAD_STARTED:   loadcount++; break;
 489                                 case Connection.SAVE_STARTED:   savecount++; break;
 490                         }
 491                         updateDataWorking();
 492         }
 493         private function onDataComplete(event:Event):void {
 494                         switch (event.type) {
 495                                 case Connection.LOAD_COMPLETED: loadcount--; break;
 496                                 case Connection.SAVE_COMPLETED: savecount--; break;
 497                         }
 498             updateDataWorking();
 499         }
 500                 private function updateDataWorking():void {
 501                         var t:String;
 502                         if (loadcount>0 && savecount>0) { t="Loading/saving#..."; }
 503                         else if (loadcount>0)           { t="Loading data#..."; }
 504                         else if (savecount>0)           { t="Saving data..."; }
 505                         else                            { t=""; }
 506                         dataWorking.text=t.replace("#",(loadcount>1) ? (" ("+loadcount+")") : "");
 507
 508                         var previousState:Boolean=dataWorking.visible;
 509                         var newState:Boolean=(dataWorking.text!="");
 510                         if (!previousState && newState) spinner.start();
 511                         if (previousState && !newState) spinner.stop();
 512                         dataWorking.visible=newState;
 513                 }
 514         private function onDataDirty(event:Event):void {
 515                         saveButton.enabled=true;
 516             if (ExternalInterface.available) {
 517               ExternalInterface.call("markChanged", false);
 518             }
 519                         if (!saveTimer || !saveTimer.running) {
 520                                 saveTimer=new Timer(60*1000,0);
 521                                 saveTimer.addEventListener(TimerEvent.TIMER,saveTimeUpdate);
 522                                 saveTimer.start();
 523                         }
 524                 }
 525                 private function onDataClean(event:Event):void {
 526                         saveButton.enabled=false;
 527             if (ExternalInterface.available) {
 528               ExternalInterface.call("markChanged", true);
 529             }
 530             if (saveTimer && saveTimer.running) {
 531                                 saveTimer.stop();
 532                                 saveTimer.removeEventListener(TimerEvent.TIMER,saveTimeUpdate);
 533                                 saveTimeWrite(0);
 534                         }
 535                 }
 536                 private function saveTimeUpdate(event:TimerEvent):void {
 537                         var timer:Timer=Timer(event.target);
 538                         saveTimeWrite(uint(timer.delay*timer.currentCount/1000/60));
 539                 }
 540                 private function saveTimeWrite(minutes:uint):void {
 541                         if (minutes<5) {
 542                                 saveButton.label=saveLabel;
 543                         } else {
 544                                 saveButton.label=saveLabel+" ("+minutes+"m"+")";
 545                                 if (minutes>=20 && minutes/5==int(minutes/5)) {
 546                                         theController.dispatchEvent(new AttentionEvent(AttentionEvent.ALERT, null, minutes+"m since last save - please save regularly"));
 547                                 }
 548                         }
 549                 }
 550
 551                 private function scaleHandler(event:MapEvent):void {
 552                         dispatchEvent(new Event("rescale"));
 553                 }
 554
 555                 [Bindable(event="rescale")]
 556                 private function getScale():String {
 557                         return String(theMap.scale);
 558                 }
 559
 560         private function dragEnterHandler(event:DragEvent):void {
 561             // Get the drop target component from the event object.
 562             var dropTarget:Canvas=event.currentTarget as Canvas;
 563             // Accept the drag only if the user is dragging poi with tags
 564             if (event.dragSource.hasFormat('tags'))
 565             {
 566                 DragManager.acceptDragDrop(dropTarget);
 567             }
 568         }
 569
 570         private function dragDropHandler(event:DragEvent):void {
 571                         // Deselect the dragged icon
 572                         if (event.dragSource.dataForFormat('container')) {
 573                                 event.dragSource.dataForFormat('container').selectedItem=-1;
 574                         }
 575
 576                         // Get the tags
 577             var tags:Array = event.dragSource.dataForFormat('tags') as Array;
 578
 579             // If you dnd quick enough, this exposes a flex bug and event.stageX/Y become negative.
 580             // Take the mouse positions from a displayObject's stage for consistent results.
 581             var mapLoc:Point = Globals.vars.root.globalToLocal(new Point(event.target.stage.mouseX, event.target.stage.mouseY));
 582             var lat:Number = Globals.vars.root.coord2lat(mapLoc.y);
 583             var lon:Number = Globals.vars.root.coord2lon(mapLoc.x);
 584
 585             var createAction:CompositeUndoableAction = new CompositeUndoableAction("Create POI");
 586
 587                         var conn:Connection = theMap.editableLayer.connection;
 588             var node:Node = conn.createNode({}, lat, lon, createAction.push);
 589             for each ( var tag:Object in tags ) {
 590                 node.setTag(tag.k, tag.v, createAction.push);
 591             }
 592                         conn.registerPOI(node);
 593                         MainUndoStack.getGlobalStack().addAction(createAction);
 594             theController.setState(new SelectedPOINode(node));
 595         }
 596
 597         /* Called when forcing an initial access token check. */
 598         private function onAccessChecked():void {
 599             // Floaty panel message "You now have access";
 600         }
 601
 602         private function loadTrace(id:Number):void {
 603                         var conn:Connection = theMap.editableLayer.connection;
 604                         conn.addEventListener(Connection.TRACES_LOADED, function (e:Event):void {
 605                                 var t:Trace = conn.findTrace(id);
 606                                 if (!t) { t=new Trace(conn,id); conn.addTrace(t); }
 607                                 t.addToMap();
 608                                 conn.removeEventListener(Connection.TRACES_LOADED, arguments.callee);
 609                         });
 610                         conn.fetchUserTraces();
 611         }
 612
 613         ]]></fx:Script>
 614
 615 </mx:Application>
 616