halcyon.mxml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <mx:Application
   3         xmlns:mx="http://www.adobe.com/2006/mxml"
   4         xmlns:halcyon="net.systemeD.halcyon.*"
   5         layout="vertical"
   6         horizontalAlign="center"
   7         addedToStage="initApp()">
   8
   9     <mx:HDividedBox width="100%" height="100%">
  10
  11       <mx:VBox height="50%">
  12         <mx:Button label="+" click="theMap.zoomIn();"/>
  13         <mx:Button label="-" click="theMap.zoomOut();"/>
  14       </mx:VBox>
  15       <mx:Canvas id="map_area" clipContent="true"/>
  16     </mx:HDividedBox>
  17
  18         <mx:Script><![CDATA[
  19                 import net.systemeD.halcyon.*;
  20                 import flash.system.Security;
  21                 import flash.net.*;
  22                 import flash.events.MouseEvent;
  23                 import flash.display.Sprite;
  24                 import mx.core.IChildList;
  25         import mx.containers.Canvas;
  26                 import mx.core.Application;
  27
  28         public var theMap:Map;
  29
  30                 private function initApp():void {
  31
  32                         Globals.vars.root=map_area.rawChildren;                 // set up global reference to root level
  33                         var _root:IChildList=map_area.rawChildren;              // convenient local shorthand
  34
  35                         // map backdrop object
  36             var b:Canvas = new Canvas();
  37             b.height=200; b.width=200;
  38             b.setStyle("backgroundColor", 0xFFFFEA);
  39                         _root.addChild(b);
  40
  41                         // add map
  42                         theMap=new Map();
  43                         theMap.backdrop=b;
  44                         _root.addChild(theMap);
  45
  46                         // add mask for map
  47                         var s:Sprite=new Sprite();
  48                         s.graphics.beginFill(0xFFFFFF,100);
  49                         s.graphics.drawRect(0,0,200,200);
  50                         s.graphics.endFill();
  51                         _root.addChild(s);
  52                         theMap.mask=s;
  53
  54                         // add crosshair
  55                         s=new Sprite();
  56                         s.graphics.lineStyle(2,0);
  57                         s.graphics.moveTo(stage.stageWidth/2-20,stage.stageHeight/2);
  58                         s.graphics.lineTo(stage.stageWidth/2+20,stage.stageHeight/2);
  59                         s.graphics.moveTo(stage.stageWidth/2,stage.stageHeight/2-20);
  60                         s.graphics.lineTo(stage.stageWidth/2,stage.stageHeight/2+20);
  61                         _root.addChild(s);
  62
  63                         // mouse-up handler attached to stage, so the user can release outside the map
  64                         stage.addEventListener(MouseEvent.MOUSE_UP, theMap.mouseUpHandler);
  65                         theMap.backdrop.addEventListener(MouseEvent.MOUSE_MOVE, theMap.mouseMoveHandler);
  66                         theMap.backdrop.addEventListener(MouseEvent.MOUSE_DOWN, theMap.mouseDownHandler);
  67
  68                         // keyboard event attached to stage
  69                         stage.addEventListener(KeyboardEvent.KEY_UP, theMap.keyUpHandler);
  70
  71                         // example listener event
  72                         var myListenerObj:Object = new Object();
  73                         myListenerObj.mapHandler=function(event:MapEvent):void {
  74                                 Globals.vars.debug.appendText("Download event fired - "+event.minlat+","+event.minlon+"\n");
  75                         };
  76                         theMap.addEventListener(MapEvent.DOWNLOAD, myListenerObj.mapHandler);
  77
  78                         // add debug field
  79                         var t:TextField=new TextField();
  80                         t.width=400; t.height=100; t.border=true;
  81                         t.multiline=true;
  82                         _root.addChild(t);
  83                         Globals.vars.debug=t;
  84                 }
  85
  86         ]]></mx:Script>
  87
  88 </mx:Application>
  89