add UI for selecting a background layer

diff --git a/net/systemeD/halcyon/TileSet.as b/net/systemeD/halcyon/TileSet.as
index 2b51bc8..fb13c2c 100755 (executable)
--- a/net/systemeD/halcyon/TileSet.as
+++ b/net/systemeD/halcyon/TileSet.as
@@ -3,9 +3,9 @@ package net.systemeD.halcyon {
        import flash.display.*;
        import flash.events.*;
        import flash.net.*;
+       import flash.system.LoaderContext;
        
        import net.systemeD.halcyon.ImageURLLoader;
-       import flash.system.LoaderContext;
        
     public class TileSet extends Sprite {
 
@@ -30,13 +30,12 @@ package net.systemeD.halcyon {
                        createSprites();
                }
        
-               public function init(url:String=null):void {
+               public function init(url:String=null, update:Boolean=false):void {
                        baseurl=url;
                        tiles={};
-                       if (!url) { 
-                               while (this.numChildren) { this.removeChildAt(0); }
-                               createSprites();
-                       }
+                       while (numChildren) { removeChildAt(0); }
+                       createSprites();
+                       if (update) { this.update(); }
                }
 
                private function createSprites():void {

diff --git a/potlatch2.mxml b/potlatch2.mxml
index 7218233..999930a 100755 (executable)
--- a/potlatch2.mxml
+++ b/potlatch2.mxml
@@ -31,9 +31,41 @@
     
     <mx:HDividedBox width="100%" height="100%">
 
-      <mx:VBox height="100%" width="25%" horizontalAlign="right">
-        <potlatch2:TagViewer width="100%" height="100%" id="tagViewer"/>
-      </mx:VBox>
+       <!-- The left-hand accordion is to give access to a small number of options that the user 
+            may want to change rapidly: tags, of course; stylesheet; and background layer. Lesser-
+            used options should go in the options dialogue. Tools (e.g. split ways) should probably 
+            go in a floating palette or somesuch, so that there is access no matter which accordion 
+            pane is open. -->
+
+       <mx:Accordion height="100%" width="25%" headerStyleName="header">
+
+               <!-- Tag viewer -->
+               <mx:VBox height="100%" width="100%" horizontalAlign="right" label="Tags">
+                       <potlatch2:TagViewer width="100%" height="100%" id="tagViewer"/>
+               </mx:VBox>
+
+               <!-- Stylesheet -->
+               <!-- should be pretty much the same as the background selector below, with the
+                    added ability to enter your own stylesheet URL -->
+               <mx:VBox label="Map style" width="100%">
+               </mx:VBox>
+
+               <!-- Background -->
+               <mx:VBox label="Background" width="100%">
+               <!-- Needs a dimming checkbox control -->
+           <mx:List width="100%" height="100%" id="background" change="updateBackground();"> 
+                       <!-- This should be pulled in from an XML file rather than sitting in the source -->
+               <mx:dataProvider>
+                   <mx:Object label="None" data="" />
+                   <mx:Object label="Yahoo!" data="yahoo" />
+                   <mx:Object label="New Popular Edition" data="http://npe.openstreetmap.org/$z/$x/$y.png" />
+                   <mx:Object label="OpenCycleMap" data="http://andy.sandbox.cloudmade.com/tiles/cycle/$z/$x/$y.png" />
+               </mx:dataProvider>
+           </mx:List>
+               </mx:VBox>
+
+       </mx:Accordion>
+
       <mx:Canvas width="75%" height="100%">
         <mx:Canvas id="map_area" resize="onResizeMap()"
             top="0" left="0" width="100%" height="100%">
@@ -53,9 +85,9 @@
                import net.systemeD.halcyon.connection.*;
                import net.systemeD.potlatch2.*;
                import net.systemeD.potlatch2.save.SaveManager;
-                import net.systemeD.potlatch2.help.*;
-                import net.systemeD.potlatch2.options.*;
-                import mx.managers.PopUpManager;
+               import net.systemeD.potlatch2.help.*;
+               import net.systemeD.potlatch2.options.*;
+               import mx.managers.PopUpManager;
                import flash.system.Security;
                import flash.net.*;
                import flash.events.MouseEvent;
@@ -68,6 +100,8 @@
                import com.yahoo.maps.api.core.location.LatLon;
 
         public var theMap:Map;
+               public var yahooListener:Object = new Object();
+               public var yahoo:YahooMap = new YahooMap(); 
 
                private function initApp():void {
 
@@ -85,19 +119,19 @@
             b.graphics.endFill();
                        _root.addChild(b);
 
-/*                     // Add Yahoo! background
-                       var yahoo:YahooMap = new YahooMap(); 
+                       // Add Yahoo! background
                        yahoo.init("f0a.sejV34HnhgIbNSmVHmndXFpijgGeun0fSIMG9428hW_ifF3pYKwbV6r9iaXojl1lU_dakekR", w, h);  
                        yahoo.mapType="satellite";
                        _root.addChild(yahoo);
+                       yahoo.visible=false;
 
                        // Yahoo! listeners
-                       var yahooListener:Object = new Object();
                        yahooListener.yahooInit=function(event:YahooMapEvent):void {
                                yahoo.zoomLevel = 18-theMap.scale;
                                yahoo.centerLatLon = new LatLon(theMap.centre_lat, theMap.centre_lon);
 
                                yahooListener.moveHandler=function(event:MapEvent):void {
+                                       if (!yahoo.visible) { return; }
                                        yahoo.zoomLevel=18-event.params.scale;
                                        yahoo.centerLatLon=new LatLon(event.params.lat, event.params.lon);
                                };
@@ -109,7 +143,7 @@
                                theMap.addEventListener(MapEvent.RESIZE, yahooListener.resizeHandler);
                        }
                        yahoo.addEventListener(YahooMapEvent.MAP_INITIALIZE, yahooListener.yahooInit);
-*/
+
                        // add map
                        theMap=new Map(this.loaderInfo.parameters);
                        theMap.backdrop=b;
@@ -177,6 +211,20 @@
         private function onDataComplete(event:Event):void {
             dataWorking.visible = false;
         }
+
+               private function updateBackground():void {
+                       var bg:String=background.selectedItem.data;
+                       if (bg=='yahoo') {
+                               theMap.tileset.init('',false);
+                               yahoo.visible=true;
+                               yahoo.zoomLevel = 18-theMap.scale;
+                               yahoo.centerLatLon = new LatLon(theMap.centre_lat, theMap.centre_lon);
+                       } else {
+                               theMap.tileset.init(background.selectedItem.data,true);
+                               yahoo.visible=false;
+                       }
+               }
+               
        ]]></mx:Script>
 
 </mx:Application>

diff --git a/styles/Application.css b/styles/Application.css
index ad61b38..caec715 100644 (file)
--- a/styles/Application.css
+++ b/styles/Application.css
@@ -15,3 +15,9 @@ ApplicationControlBar {
   color: red;
 }
 
+.header {
+               fillColors: haloSilver, x222222;
+               fillAlphas: 1.0, 1.0;
+               selectedFillColors: haloBlue, black;
+               color: white;
+}