gis.zip_FLEX GIS_flex_gis java

<?xml version="1.0" encoding="utf-8"?> <!-- //////////////////////////////////////////////////////////////////////////////// // // Copyright &copy; 2008 - 2009 ESRI // // All rights reserved under the copyright laws of the United States. // You may freely redistribute and use this software, with or // without modification, provided you include the original copyright // and use restrictions. See use restrictions in the file: // <install location>/FlexViewer/License.txt // //////////////////////////////////////////////////////////////////////////////// --> <BaseWidget xmlns ="com.esri.solutions.flexviewer.*" xmlns:esri ="http://www.esri.com/2008/ags" xmlns:mx ="http://www.adobe.com/2006/mxml" xmlns:mxeffects ="com.adobe.ac.mxeffects.*" xmlns:widgets ="com.esri.solutions.flexviewer.widgets.*" x ="600" y ="300" widgetConfigLoaded ="init()"> <mx:Script> <![CDATA[ import com.esri.ags.events.ExtentEvent; import com.esri.ags.geometry.Extent; import com.esri.ags.geometry.MapPoint; import com.esri.ags.Graphic; import com.esri.ags.layers.GraphicsLayer; import com.esri.ags.layers.ArcGISDynamicMapServiceLayer; import com.esri.ags.layers.ArcGISTiledMapServiceLayer; import com.esri.ags.symbol.SimpleFillSymbol; import com.esri.ags.symbol.SimpleLineSymbol; import com.esri.ags.Map; import flash.events.MouseEvent; import mx.controls.Alert; private var overviewMode:String; private var graphicLineSym:SimpleLineSymbol = new SimpleLineSymbol("solid", 0xFF0000, 0.8, 3); private var graphicPolySym:SimpleFillSymbol = new SimpleFillSymbol(null, 0xFF0000, 0.01, graphicLineSym); private var graphicsLayer:GraphicsLayer; private var ovGraphic:Graphic; private var xOff:Number; private var yOff:Number; private function init():void { if (configXML) { var type:String = configXML.mapservice.@type; var url:String = configXML.mapservice; overviewMode = configXML.mapservice.@mode; switch (type.toLowerCase()) { case "tiled": { var tiledlayer:ArcGISTiledMapServiceLayer = new ArcGISTiledMapServiceLayer(url); tiledlayer.alpha = alpha; ovMap.addLayer(tiledlayer); break; } case "dynamic": { var dynlayer:ArcGISDynamicMapServiceLayer = new ArcGISDynamicMapServiceLayer(url); dynlayer.alpha = alpha; ovMap.addLayer(dynlayer); break; } } graphicsLayer = new GraphicsLayer(); graphicsLayer.symbol = graphicPolySym; ovMap.addLayer(graphicsLayer); ovGraphic = new Graphic(); ovGraphic.geometry = map.extent; ovGraphic.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler); ovGraphic.addEventListener(MouseEvent.MOUSE_UP, mouseUpHandler); graphicsLayer.add(ovGraphic); map.addEventListener(ExtentEvent.EXTENT_CHANGE, setOverviewExtent); updateOverviewExtent(); } } private function setOverviewExtent(event:ExtentEvent):void { ovGraphic.geometry = map.extent; if (overviewMode == "dynamic") ovMap.extent = map.extent.expand(3); } private function updateOverviewExtent():void { ovGraphic.geometry = map.extent; if (overviewMode == "dynamic") ovMap.extent = map.extent.expand(3); } private function mouseDownHandler(event:MouseEvent):void { var ext:Extent = ovGraphic.geometry as Extent; var mPt:MapPoint = ovMap.toMapFromStage(event.stageX, event.stageY); xOff = ext.center.x - mPt.x; yOff = ext.center.y - mPt.y; ovGraphic.addEventListener(MouseEvent.MOUSE_MOVE, mouseMoveHandler); } private function mouseMoveHandler(event:MouseEvent):void { var mPt:MapPoint = ovMap.toMapFromStage(event.stageX, event.stageY); var tempX:Number = mPt.x + xOff; var tempY:Number = mPt.y + yOff; var ext:Extent = ovGraphic.geometry as Extent; var newext:Extent = new Extent(tempX - ext.width / 2, tempY - ext.height/ 2, tempX + ext.width / 2, tempY + ext.height / 2); ovGraphic.geometry = newext; if (!event.buttonDown) ovGraphic.removeEventListener(MouseEvent.MOUSE_MOVE, mouseMoveHandler); } private function mouseUpHandler(event:MouseEvent):void {