Refactoring in progress
[potlatch2.git] / potlatch2.mxml
old mode 100755 (executable)
new mode 100644 (file)
index b340a7e..94f364c
@@ -7,8 +7,11 @@
        horizontalScrollPolicy="off"
        verticalScrollPolicy="off"
        horizontalAlign="center" 
-       addedToStage="initApp()">
-       
+       addedToStage="startInit()"
+       preloader="net.systemeD.potlatch2.Preloader">
+
+    <map:LocalizationMap xmlns:map="l10n.map.*" />
+
        <mx:Style source="styles/Application.css"/>
 
     <mx:Glow id="glowImage" duration="100" 
     <mx:WipeRight id="wipeIn" duration="250"/>
 
     <mx:ApplicationControlBar dock="true">
-        <mx:PopUpButton id="bgButton" label="Background" openAlways="true"
+        <mx:PopUpButton id="bgButton" label="Background" openAlways="true" styleName="appBarButton"
             creationComplete="bgButton.popUp = new BackgroundSelector();"/>
-        <mx:PopUpButton id="styleButton" label="Map Style" openAlways="true"
+        <mx:PopUpButton id="styleButton" label="Map Style" openAlways="true" styleName="appBarButton"
             creationComplete="styleButton.popUp = new StyleSelector();"/>
-        <mx:Button label="GPS" click="trackLoader.load();"/>
+               <mx:PopUpMenuButton id="gpsButton" styleName="appBarButton"
+                   itemClick="if (event.index==0) { trackLoader.load(); } 
+                         else if (event.index==1) { new MyGpxDialog().init(); } 
+                                             else { mx.controls.Menu(gpsButton.popUp).selectedIndex=0; 
+                                                    mx.controls.Menu(gpsButton.popUp).selectedIndex=0; /* Yes, we do need to call it twice */
+                                                    theMap.removeVectorLayer(theMap.findVectorLayer('GPS tracks')); }">
+                       <mx:dataProvider>
+                               <mx:Array>
+                                       <mx:Object label="GPS data" id="gpsData" />
+                                       <mx:Object label="My tracks" id="myTracks" />
+                                       <mx:Object label="Clear" id="clearGps" />
+                               </mx:Array>
+                       </mx:dataProvider>
+               </mx:PopUpMenuButton>
         <mx:Spacer width="100%"/>
-        <mx:Button label="Undo" click="MainUndoStack.getGlobalStack().undo();"
-            enabled="{MainUndoStack.getGlobalStack().canUndo()}"/>
-        <mx:Button label="Redo" click="MainUndoStack.getGlobalStack().redo();"
+        <mx:Button id="undo" label="Undo" click="MainUndoStack.getGlobalStack().undo();" styleName="appBarButton"
+            enabled="{MainUndoStack.getGlobalStack().canUndo()}"
+            toolTip="{MainUndoStack.getGlobalStack().getUndoDescription() ? 'Undo '+MainUndoStack.getGlobalStack().getUndoDescription() : 'Undo last action'}" />
+        <mx:Button id="redo" label="Redo" click="MainUndoStack.getGlobalStack().redo();" styleName="appBarButton"
             enabled="{MainUndoStack.getGlobalStack().canRedo()}"/>
         <mx:Spacer width="100%"/>
-        <mx:Button label="Help" click="new HelpDialog().init();" />
-        <mx:Button label="Options" click="new OptionsDialog().init();" /> 
-        <mx:Button label="Save" icon="@Embed('embedded/save.svg')" click="SaveManager.saveChanges();" id="saveButton" 
-                       enabled="false"/>
+        <mx:Button id="helpButton" label="Help" click="new HelpDialog().init();" styleName="appBarButton" />
+        <mx:Button id="optionsButton" label="Options" click="new OptionsDialog().init();" styleName="appBarButton" />
+        <mx:Button label="Save" icon="@Embed('embedded/upload.svg')" disabledIcon="@Embed('embedded/upload_disabled.svg')" styleName="appBarButton"
+                       click="SaveManager.saveChanges();" id="saveButton" enabled="false"/>
     </mx:ApplicationControlBar>
     
     <mx:HDividedBox width="100%" height="100%">
             top="0" left="0" width="100%" height="100%" dragEnter="dragEnterHandler(event);" dragDrop="dragDropHandler(event);">
         </mx:Canvas>
         <mx:Image source="@Embed('embedded/zoomIn.svg')" right="3" top="3" click="theMap.zoomIn();"
-            rollOverEffect="glowImage" rollOutEffect="unglowImage"/>
+            rollOverEffect="glowImage" rollOutEffect="unglowImage" toolTip="{'Zoom in - currently z'+getScale()}" />
         <mx:Image source="@Embed('embedded/zoomOut.svg')" right="3" top="20" click="theMap.zoomOut();"
-            rollOverEffect="glowImage" rollOutEffect="unglowImage"/>
+            rollOverEffect="glowImage" rollOutEffect="unglowImage" toolTip="{'Zoom out - currently z'+getScale()}" />
+        <mx:Image source="@Embed('embedded/search.svg')" right="3" top="40" click="new FindDialog().init();"
+            rollOverEffect="glowImage" rollOutEffect="unglowImage" toolTip="Find place" />
         <mx:TextArea id="dataWorking" text="" right="20" top="3" disabledColor="black" backgroundDisabledColor="0xFFFFEA" height="18"
             enabled="false" borderThickness="0"
             showEffect="{wipeIn}" hideEffect="{wipeOut}"/>
+        <mx:TextArea id="coordsbox" left="0" top="0" disabledColor="black" backgroundDisabledColor="0xFFFFEA" height="33"
+            width="57" enabled="false" borderThickness="0" visible="false"/>
 
     </mx:Canvas>
 
                import net.systemeD.halcyon.connection.*;
                import net.systemeD.potlatch2.*;
                import net.systemeD.potlatch2.save.SaveManager;
+               import net.systemeD.potlatch2.find.*;
+               import net.systemeD.potlatch2.collections.*;
                import net.systemeD.potlatch2.controller.*;
                import net.systemeD.potlatch2.help.*;
                import net.systemeD.potlatch2.options.*;
                import net.systemeD.potlatch2.utils.*;
+        import net.systemeD.potlatch2.mygpx.*;
+               import net.systemeD.controls.FloatingAlert;
                import mx.managers.PopUpManager;
                import flash.system.Security;
                import flash.net.*;
         import mx.containers.Canvas;
                import mx.core.Application;
         import mx.events.DragEvent;
+        import mx.events.CloseEvent;
         import mx.managers.DragManager;
         import mx.core.DragSource;
         import mx.controls.Alert;
+        import com.mindspace.l10n.events.LocaleEvent;
 
         public var theMap:Map;
         public var theController:EditController;
                public var yahoo:Yahoo;
                public var trackLoader:TrackLoader;
                public var toolbox:Toolbox;
+        public var bugLoader:BugLoader;
+        public var bikeShopLoader:BikeShopLoader;
 
                private var savecount:uint=0;
                private var loadcount:uint=0;
-               
-               public var version:String="(Foxbase) Alpha";                    // mxml won't read it if it's a const. Go figure
 
-               private function initApp():void {
+        include "version.as";
+
+               private function startInit():void {
+            /* For reasons that I don't yet understand, the en_US locale is the default and doesn't work at all. */
+            /* Change this to another locale (e.g. fr_FR) to see the differences. */
+            if (loaderInfo.parameters['locale']) {
+              dispatchEvent(new LocaleEvent(LocaleEvent.LOAD_LOCALE,loaderInfo.parameters['locale']));
+            }
+
+                       // Load font and don't do anything until that's done
+                       var loader:Loader = new Loader();
+                       loader.contentLoaderInfo.addEventListener(Event.COMPLETE, continueInit);
+                       loader.load(new URLRequest("FontLibrary.swf"));
+               }
+               
+               private function continueInit(r:Event):void {
+                       // Set font
+                       var FontLibrary:Class = r.target.applicationDomain.getDefinition("FontLibrary") as Class;
+                       Font.registerFont(FontLibrary.DejaVu);
 
                        Globals.vars.map_area = map_area;
                        Globals.vars.root = map_area.rawChildren;                       // set up global reference to root level
                        }
                        if (objChanged) { obj.flush(); }
 
-                       // load imagery and style XML
-               var request:DebugURLRequest = new DebugURLRequest("imagery.xml");
-               var loader:URLLoader = new URLLoader();
-               loader.addEventListener(Event.COMPLETE, onImageryLoad);
-               loader.load(request.request);
-
-                       var request2:DebugURLRequest = new DebugURLRequest("stylesheets.xml");
-                       var loader2:URLLoader = new URLLoader();
-               loader2.addEventListener(Event.COMPLETE, onStylesheetsLoad);
-               loader2.load(request2.request);
-
                        // map backdrop object
             var w:uint = map_area.width;
             var h:uint = map_area.height;
             b.graphics.endFill();
                        _root.addChild(b);
 
-                       // create map and Yahoo
-                       theMap=new Map(this.loaderInfo.parameters);
+                       // pass additional parameters to map
+                       var params:Object={}; var k:String;
+                       for (k in this.loaderInfo.parameters) params[k]=this.loaderInfo.parameters[k];
+                       for (k in SharedObject.getLocal('user_state').data) params[k]=SharedObject.getLocal('user_state').data[k];
+
+                       // Create map
+                       theMap=new Map(params);
+
+                       // Initialise 900913 background
+                       // >>>> REFACTOR: something odd about accessing map.tileparams here...
+                       map.tileset.blocks=[new RegExp("google","i")];  // hard-coded block on Google tiles
+                       map.tileset.init(map.tileparams, false, 
+                                        initparams['background_dim']    ==null ? true  : initparams['background_dim'],
+                                        initparams['background_sharpen']==null ? false : initparams['background_sharpen']);
+
+                       // Add core data layer
+                       // >>>> REFACTOR: shouldn't be hardcoded to XMLConnection
+                       var conn:Connection = new XMLConnection("Main", initparams['api'], initparams['policy'], initparams);
+            conn.addEventListener(Connection.LOAD_STARTED, onDataStart);
+            conn.addEventListener(Connection.LOAD_COMPLETED, onDataComplete);
+            conn.addEventListener(Connection.SAVE_STARTED, onDataStart);
+            conn.addEventListener(Connection.SAVE_COMPLETED, onDataComplete);
+            conn.addEventListener(Connection.DATA_DIRTY, onDataDirty);
+            conn.addEventListener(Connection.DATA_CLEAN, onDataClean);
+                       conn.addEventListener(MapEvent.ERROR, onMapError);
+                       conn.addEventListener(AttentionEvent.ATTENTION, onAttention);
+                       conn.addEventListener(AttentionEvent.ALERT, onAlert);
+                       map.addLayer(conn,initparams['styleurl'],false);
+
+                       // Set start position of map
+                       // >>>> REFACTOR: what happens if lat/lon/zoom not supplied? (Hurleston GPX case)
+                       map.init(initparams['lat'], initparams['lon'], initparams['zoom']);
+
+            // Auto-load vector backgrounds from config
+            // This could go spectacularly wrong if map.init completes before the event listener below is added
+            theMap.addEventListener(MapEvent.INITIALISED, function(e:Event):void { VectorBackgrounds.instance().init(theMap); });
+
                        theMap.backdrop=b;
-                       yahoo=new Yahoo(w,h,theMap);
+                       yahoo=new Yahoo(theMap);
                        yahoo.hide();
                        _root.addChild(yahoo);
                        _root.addChild(theMap);
             theMap.updateSize(w,h);
-
-                       // add mask for map
-                       var s:Sprite=new Sprite();
-                       s.graphics.beginFill(0xFFFFFF,100);
-                       s.graphics.drawRect(0,0,w,h);
-                       s.graphics.endFill();
-                       _root.addChild(s);
-                       theMap.mask=s;
+                       theMap.addEventListener(MapEvent.SCALE, scaleHandler);
+
+                       // add attribution/logo sprite
+                       var overlay:Sprite=new Sprite();
+                       var attribution:TextField=new TextField();
+                       attribution.width=220; attribution.height=300;
+                       attribution.multiline=true;
+                       attribution.wordWrap=true;
+                       attribution.selectable=false;
+                       attribution.defaultTextFormat=new TextFormat("_sans", 9, 0, false, false, false);
+                       overlay.addChild(attribution);
+                       var terms:TextField=new TextField();
+                       terms.width=200; terms.height=15;
+                       terms.selectable=false;
+                       terms.defaultTextFormat=new TextFormat("_sans", 9, 0, false, false, true);
+                       overlay.addChild(terms);
+                       _root.addChild(overlay);
 
                        // mouse-up handler attached to stage, so the user can release outside the map
                        stage.addEventListener(MouseEvent.MOUSE_UP, theMap.mouseUpHandler);
                        Globals.vars.map_area.addEventListener(MouseEvent.MOUSE_MOVE, theMap.mouseMoveHandler);
                        Globals.vars.map_area.addEventListener(MouseEvent.MOUSE_DOWN, theMap.mouseDownHandler);
 
+                       // initialise imagery and stylesheets
+                       Imagery.instance().init(theMap, overlay, yahoo);
+                       Stylesheets.instance().init(theMap);
+                       Imagery.instance().addEventListener(MapEvent.BUMP, bumpHandler);
+
                        // keyboard event attached to stage
                        stage.addEventListener(KeyboardEvent.KEY_UP, theMap.keyUpHandler);
+            
+                       // mouse-position listener for co-ordinate display
+            theMap.addEventListener(MapEvent.MOUSE_MOVE, mouseoverHandler);
 
                        // position toolbox
                        toolbox=Toolbox(PopUpManager.createPopUp(this,Toolbox,false));
                        toolbox.init(theController);
-                       toolbox.x=stage.stageWidth-toolbox.width-15;
-                       toolbox.y=stage.stageHeight-toolbox.height-15;
+                       toolbox.x=stage.stageWidth-toolbox.width-5;
+                       toolbox.y=stage.stageHeight-toolbox.height-5;
 
                        // add debug field
                        var t:TextField=new TextField();
             theController = new EditController(theMap, tagViewer, toolbox);
             theController.setActive();
             
-            var conn:Connection = Connection.getConnectionInstance();
-            conn.addEventListener(Connection.LOAD_STARTED, onDataStart);
-            conn.addEventListener(Connection.LOAD_COMPLETED, onDataComplete);
-            conn.addEventListener(Connection.SAVE_STARTED, onDataStart);
-            conn.addEventListener(Connection.SAVE_COMPLETED, onDataComplete);
-            conn.addEventListener(Connection.DATA_DIRTY, onDataDirty);
-            conn.addEventListener(Connection.DATA_CLEAN, onDataClean);
-                       conn.addEventListener(MapEvent.ERROR, onMapError);
+            // set the access token from saved cookie
+            var tokenObject:SharedObject = SharedObject.getLocal("access_token");
+            conn.setAccessToken(tokenObject.data["oauth_token"], tokenObject.data["oauth_token_secret"]);
+
+            // Load any requested GPX track
+            if (loaderInfo.parameters['gpx']) {
+                var id:Number = loaderInfo.parameters['gpx'];
+                if (conn.hasAccessToken()) { 
+                    loadTrace(id);
+                } else {
+                    SaveManager.ensureAccess(function ():void { loadTrace(id); });
+                }
+            }
+
+                       // Load arbitrary GPX from provided URL
+                       if (loaderInfo.parameters['gpx_url']) {
+                               var vectorlayer:VectorLayer=new VectorLayer(name,theMap,"stylesheets/gpx.css");
+                               vectorlayer.url=loaderInfo.parameters['gpx_url'];
+                               var gpx:GpxImporter=new GpxImporter(vectorlayer, vectorlayer.paint, [vectorlayer.url], 
+                                                                   function(success:Boolean,message:String=null):void {
+                                       if (!success) return;
+                                       theMap.addVectorLayer(vectorlayer);
+                                       dispatchEvent(new Event("layers_changed"));
+                                                                   }, false);
+                       }
 
                        // create GPS trackloader
                        trackLoader=new TrackLoader(theMap,conn.apiBase);
+
+            // Force authentication on startup, if required
+            // force_auth == force => checks for access token, and displays OAuth panel if needed
+            var force_auth:String = loaderInfo.parameters["force_auth"];
+            if (!conn.hasAccessToken() && force_auth == 'force') {
+              SaveManager.ensureAccess(onAccessChecked);
+            }
+
+            // show help dialog on startup, if required
+            // show_help == always => on every startup
+            // show_help == once => show on first startup only
+            var show_help:String = loaderInfo.parameters["show_help"];
+
+            if (show_help == 'always' || (show_help == 'once' && obj.data["help_shown"] != "true")) {
+              new HelpDialog().init();
+            }
+
+            // Check if Tiger highlighting should be enabled from saved object
+            Globals.vars.highlightTiger = obj.data['tiger_highlighted'];
                }
                
-               public function onMapError(event:MapEvent):void {
-                       Alert.show(event.params.message, 'Error', mx.controls.Alert.OK);
+               public function onMapError(mapEvent:MapEvent):void {
+                       var buttons:uint=0;
+                       if (mapEvent.params.no) { trace("no is set"); }
+                       if (mapEvent.params.yes             ) buttons|=mx.controls.Alert.YES;
+                       if (mapEvent.params.no              ) buttons|=mx.controls.Alert.NO;
+                       if (mapEvent.params.cancel          ) buttons|=mx.controls.Alert.CANCEL;
+                       if (mapEvent.params.ok || buttons==0) buttons|=mx.controls.Alert.OK;
+                       trace("showing alert with "+buttons);
+                       Alert.show(mapEvent.params.message, 'Error', buttons, null, function(closeEvent:CloseEvent):void { 
+                               switch (closeEvent.detail) {
+                                       case mx.controls.Alert.CANCEL:  mapEvent.params.cancel(); break; //fixme? this gets called if user presses escape, even if there's no cancel button.
+                                       case mx.controls.Alert.YES:             mapEvent.params.yes(); break;
+                                       case mx.controls.Alert.NO:              mapEvent.params.no(); break;
+                                       default:                                                if (mapEvent.params.ok) mapEvent.params.ok();
+                               }
+                       });
+               }
+
+               /** Highlight an entity in response to an 'attention' event */
+
+               public function onAttention(event:AttentionEvent):void {
+                       var entity:Entity=event.entity;
+                       if (entity is Relation) {
+                               // If it's a relation, just bring up the editor panel
+                               var panel:RelationEditorPanel = RelationEditorPanel(
+                                       PopUpManager.createPopUp(Application(Application.application), RelationEditorPanel, true));
+                               panel.setRelation(entity as Relation);
+                               PopUpManager.centerPopUp(panel);
+                               return;
+                       }
+
+                       var lat:Number, lon:Number;
+                       var panTo:Boolean=true;
+                       if (entity is Way) {
+                               // If it's a way, find if it's on-screen
+                               for (var i:uint=0; i<Way(entity).length; i++) {
+                                       var node:Node=Way(entity).getNode(i)
+                                       if (node.within(theMap.edge_l,theMap.edge_r,theMap.edge_t,theMap.edge_b)) { panTo=false; }
+                                       lat=node.lat; lon=node.lon;
+                               }
+                       } else if (entity is Node) {
+                               // If it's a node, check if it's on-screen
+                               if (entity.within(theMap.edge_l,theMap.edge_r,theMap.edge_t,theMap.edge_b)) { panTo=false; }
+                               lat=Node(entity).lat; lon=Node(entity).lon;
+                       }
+                       // Pan if required, and select the object
+                       if (panTo) { theMap.moveMapFromLatLon(lat,lon); }
+                       theController.setState(theController.findStateForSelection([entity]));
+               }
+
+               /** Display floating warning in response to an 'alert' event */
+
+               public function onAlert(event:AttentionEvent):void {
+                       var alert:FloatingAlert=new FloatingAlert(event.message);
+                       stage.addChild(alert);
                }
 
         public function onResizeMap():void {
                 theMap.updateSize(map_area.width, map_area.height);
 
                        if (toolbox) {
-                               toolbox.x=Math.min(toolbox.x,stage.stageWidth-toolbox.width-15);
-                               toolbox.y=Math.min(toolbox.y,stage.stageHeight-toolbox.height-15);
+                               toolbox.x=Math.min(toolbox.x,stage.stageWidth-toolbox.width-5);
+                               toolbox.y=Math.min(toolbox.y,stage.stageHeight-toolbox.height-5);
+                       }
+        }
+               private function bumpHandler(e:MapEvent):void {
+                       if (toolbox) {
+                               toolbox.y=Math.min(toolbox.y,stage.stageHeight-toolbox.height-10-e.params.y);
                        }
+               }
+
+        private function mouseoverHandler(e:MapEvent):void {
+            if (coordsbox.visible) {
+                coordsbox.text= Number(e.params.x).toFixed(5) + "\n " + Number(e.params.y).toFixed(5); // Not sure if 5 dp's really required.
+            }
         }
 
         private function onDataStart(event:Event):void {
                }
         private function onDataDirty(event:Event):void {
                        saveButton.enabled=true;
+            if (ExternalInterface.available) {
+              ExternalInterface.call("markChanged", false);
+            }
                }
                private function onDataClean(event:Event):void {
                        saveButton.enabled=false;
+            if (ExternalInterface.available) {
+              ExternalInterface.call("markChanged", true);
+            }
                }
                
-        private function onImageryLoad(event:Event):void {
-                       var xml:XML = new XML(URLLoader(event.target).data);
-                       var saved_url:String = SharedObject.getLocal("user_state").data['background_url'];
-                       var saved_name:String= SharedObject.getLocal("user_state").data['background_name'];
-                       var xml_url:String, xml_name:String, isSet:Boolean=false;
-            theController.imagery=new Array(
-                               { label: "None", data: "" },
-                               { label: "Yahoo", data: "yahoo" } );
-                       for each(var set:XML in xml.set) {
-                               xml_url= set.child("url");
-                               xml_name=set.child("name");
-                theController.imagery.push({ label:xml_name, data:xml_url });
-                               if (xml_url==saved_url || (xml_name==saved_name && xml_name!='Custom')) { isSet=true; }
-                       }
-                       if (!isSet) { theController.imagery.push({ label:saved_name, data:saved_url }); }
 
-                       for each (var bg:Object in theController.imagery) {
-                               if (bg['label']==saved_nameĀ || bg['data']==saved_url) {
-                                       setBackground(bg['label'], bg['data']);
-                               }
-                       }
-               }
-               
-               public function setBackground(name:String,url:String):void {
-                       // ** this should take an object with all parameters (source tag, etc.)
-                       if (url=='yahoo') { theMap.setBackground('') ; yahoo.show(); }
-                                    else { theMap.setBackground(url); yahoo.hide(); }
-                       var obj:SharedObject = SharedObject.getLocal("user_state");
-                       obj.setProperty("background_url",url );
-                       obj.setProperty("background_name",name);
-                       obj.flush();
-               }
 
-               private function onStylesheetsLoad(event:Event):void {
-                       var xml:XML = new XML(URLLoader(event.target).data);
-                       var saved_url:String = SharedObject.getLocal("user_state").data['stylesheet_url'];
-                       var saved_name:String= SharedObject.getLocal("user_state").data['stylesheet_name'];
-                       var xml_url:String, xml_name:String, isInMenu:Boolean=false, isSet:Boolean=false;
-
-            // first, build the menu from the stylesheet list.
-            // Also ensure the saved_url is in the menu (might be either saved from before, or supplied via loaderInfo)
-            theController.stylesheets=new Array();
-                       for each(var set:XML in xml.stylesheet) {
-                               xml_url= set.child("url");
-                               xml_name=set.child("name");
-                theController.stylesheets.push({ label:xml_name, data:xml_url });
-                               if (xml_url==saved_url || (xml_name==saved_name && xml_name!='Custom')) { isInMenu=true; }
-                       }
-                       if (saved_url && !isInMenu) { theController.stylesheets.push({ label:saved_name, data:saved_url }); }
-
-            // pick a stylesheet to be set. It should be the saved one, if it is in the menu
-            // or alternatively the first one on the menu,
-            // or finally try 'potlatch.css'
-                       for each (var ss:Object in theController.stylesheets) {
-                               if (ss['label']==saved_nameĀ || ss['data']==saved_url) {
-                                       setStylesheet(ss['label'], ss['data']);
-                    isSet = true;
-                    break;
-                               }
-                       }
-            if (!isSet && theController.stylesheets.length > 0) {
-                var s:Object = theController.stylesheets[0];
-                setStylesheet(s['label'], s['data']);
-            } else {
-                //hit and hope. FIXME should this be an error state?
-                theController.stylesheets.push({ label:'Potlatch', data:'potlatch.css'});
-                setStylesheet('Potlatch','potlatch.css');
-            }
+               private function scaleHandler(event:MapEvent):void {
+                       dispatchEvent(new Event("rescale"));
                }
-
-               public function setStylesheet(name:String,url:String):void {
-                       theMap.setStyle(url);
-                       var obj:SharedObject = SharedObject.getLocal("user_state");
-                       obj.setProperty("stylesheet_url",url);
-                       obj.setProperty("stylesheet_name",name);
-                       obj.flush();
+               
+               [Bindable(event="rescale")]
+               private function getScale():String {
+                       return String(theMap.scale);
                }
 
-
         private function dragEnterHandler(event:DragEvent):void {
             // Get the drop target component from the event object.
             var dropTarget:Canvas=event.currentTarget as Canvas;
 
                        // Get the tags
             var tags:Array = event.dragSource.dataForFormat('tags') as Array;
-            var mapLoc:Point = Globals.vars.root.globalToLocal(new Point(event.stageX, event.stageY));
+
+            // If you dnd quick enough, this exposes a flex bug and event.stageX/Y become negative.
+            // Take the mouse positions from a displayObject's stage for consistent results.
+            var mapLoc:Point = Globals.vars.root.globalToLocal(new Point(event.target.stage.mouseX, event.target.stage.mouseY));
             var lat:Number = Globals.vars.root.coord2lat(mapLoc.y);
             var lon:Number = Globals.vars.root.coord2lon(mapLoc.x);
             
             var createAction:CompositeUndoableAction = new CompositeUndoableAction("Create POI");
             
-            var node:Node = Connection.getConnectionInstance().createNode({}, lat, lon, createAction.push);
+            var node:Node = Connection.getConnection().createNode({}, lat, lon, createAction.push);
             for each ( var tag:Object in tags ) {
                 node.setTag(tag.k, tag.v, createAction.push);
             }
-                       Connection.getConnectionInstance().registerPOI(node);
+                       Connection.getConnection().registerPOI(node);
                        MainUndoStack.getGlobalStack().addAction(createAction);
             theController.setState(new SelectedPOINode(node));
         }
 
+        /* Called when forcing an initial access token check. */
+        private function onAccessChecked():void {
+            // Floaty panel message "You now have access";
+        }
+
+        private function loadTrace(id:Number):void {
+            var conn:Connection = Connection.getConnection();
+            conn.addEventListener(Connection.TRACES_LOADED, function (e:Event):void {
+                for each (var trace:Trace in conn.getTraces()) {
+                    if (trace.id == id) { trace.addToMap(); }
+                }
+            });
+            conn.fetchUserTraces();
+        }
+
        ]]></mx:Script>
 
 </mx:Application>