[mapguide-users] how to set selected feature at client in fusion???

Mon Jun 9 10:16:34 EDT 2008

Hi,

Fusion works with selections somewhat differently, you should be able  
to just save() the selection on the server side and Fusion will pick  
it up (at least that is how the query stuff works).

I believe Mike did add something for selection xml but I don't know  
what it was - perhaps he will comment :)

Cheers

Paul

On 8-Jun-08, at 10:17 PM, foolfish wrote:

>
> my problem is in tradition method (not use fusion), i can select  
> feature at
> server, and display the selected feature at client。
>
> but in fusion，the follow line is failed:
> parent.parent.SetSelectionXML(selectionXML);
> parent.parent.mapFrame.Refresh();
>
> my question is how to setSelection at client in fusion?:confused:
>
> -------------------------------------------------------------
> [at server]：i define a function to select Feature，and return a  
> selectionXML
> public void CreateSelectionXML(String queryLayer, String  
> queryString,String
> map_name)
>    {
>        MgResourceService resService =
> (MgResourceService 
> )siteConnection.CreateService(MgServiceType.ResourceService);
>        MgFeatureService featureService =
> (MgFeatureService 
> )siteConnection.CreateService(MgServiceType.FeatureService);
>      MgMap map = new MgMap();
>        map.Open(resService, map_name);
>        MgLayer layer = (MgLayer)map.GetLayers().GetItem(queryLayer);
>      MgResourceIdentifier resId = new
> MgResourceIdentifier(layer.GetFeatureSourceId());
>        MgFeatureQueryOptions queryOption = new  
> MgFeatureQueryOptions();
>        queryOption.SetFilter(queryString);
>        MgFeatureReader featureReader =  
> featureService.SelectFeatures(resId,
> queryLayer, queryOption);
>      MgSelection selection = new MgSelection(map);
>        selection.AddFeatures(layer, featureReader, 0);
>        OutputSelectionInHTML(selection, featureService, queryLayer);
>        selectionXML = selection.ToXml();
>    }
>
> -------------------------------------------------------------
> [at client]：
> <%
>    string sessionID = Request.Form.Get("SESSION");;
>     String queryString = "ID='"+ Request.Form.Get("ID"); +"'";
>     String queryLayer =  Request.Form.Get("LAYER_NAME");
>     String map_name = Request.Form.Get("MAP_NAME");
>
>     InitializeWebTier(Request);
>     onnectToServer(sessionID);
>     CreateSelectionXML(queryLayer,queryString,map_name );
>     String selectionXML = utility.SelectionXML;
> %>
> ...
> <script type="text/javascript" >
>        function onPageLoad() {
>            var selectionXML = '<% = selectionXML  %>';
>            parent.parent.SetSelectionXML(selectionXML);
>        }
> parent.parent.SetSelectionXML(selectionXML);
> parent.parent.mapFrame.Refresh();
>
> </script>
> ...
> <body onload="onPageLoad()" >
> ...
> </body>
> -------------------------------------------------------------
>
>
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>
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