[Chameleon] Widget Update‏ and JSAPI

Wed Jul 16 10:09:27 EDT 2008

Hi,

You can remove your update map button and simply add the following at 
the end of your ChangeLayerStatus function:
goCWCJSAPI.RefreshMap();

Julien


Fernando Sánchez García wrote:
> Hello list, I'm a user of Mapserver and Chameleon and I have a little 
> problem with the Widget Update on the mode JSAPI which has already been 
> mentioned in the Community, but it can not operate. The problem is that 
> when you update the map on JSAPI mode on Internet Explorer 6 or 7 and 
> refresh the entire screen and should only refresh the map. In Firefox or 
> Opera this does not happen. I have the Mapserver 4 Windows 2.2.7 and 
> Chameleon 2.6RC1. We ask for help fix it. Thank you very much.
> 
> My file is legend_template.html:
> 
> 
> [leg_layer_html order=ascending opt_flag=15]
>   <tr bgcolor="#F7D481">
>     <!-- <td><input type="radio" name="my_legend"
> onclick="CWCSelectLayer('[leg_layer_name]', true)"[if name=selected 
> value=1] CHECKED[/if]
> 
> </td> -->
> 
>     <td align="center"><input type="checkbox" name="legendlayername[]" 
> value="[leg_layer_name]" onclick="ChangeLayerStatus('[leg_layer_name]')"
>     [if name=layer_status oper=eq value=1]CHECKED[/if]
>     [if name=layer_status oper=eq value=2]CHECKED[/if]></td>
>     <td align="center"><img src="[leg_icon width=20 height=18]" width="20"
> height="18"></td>
>     [if name=wms_name oper=isnull]
>     <td><a href="#"
> onclick="javascript:LegendTemplateLayerInfo('[leg_layer_name]');"><span
> class="label">[leg_layer_name]</span></a></td>
>   </tr>
>     [/if]
>     [if name=wms_name oper=isset]
>     <td><a href="#"
> onclick="javascript:LegendTemplateLayerInfo('[leg_layer_name]');"><span
> class="label">[metadata name=WMS_TITLE]</span></a></td>
>   </tr>
>     [/if]
> [/leg_layer_html]
> 
> 
> My template iss:
> 
>     <body onload="CWC2OnLoadFunction()">
> 
> .....
> 
>     <cwc2 type="cwcjsapi" debug="false"/>
>     <cwc2 type="SharedResource" name="CWCJSAPI"/>
> 
> ....
> 
> <div id="LegendLayer" name="LegendLayer">
> <table border="0" bgcolor="#FDF6DA">
>   <tr>
>     <td colspan="4" align="center">
>    <cwc2 type="LegendTemplate" visible="true"
> embedded="true"        template="legend_template.html" 
> popupstyleresource="TextButtons"
> popupwidth="500" popupheight="400" status="false" menubar="false"
> controlvisibility="true"/>
>   </cwc2>
> </td>
> </tr>
> 
> <tr>
>    <td colspan="4" align="center">
>    <cwc2 type="UpdateMap" styleresource="TextButtons" visible="true"
> image="icons/icon_update.png" imagetip="Actualizar Mapa" 
> label="Actualizar Mapa">
> <image state="normal"/>
> <image state="selected"/>
> <image state="hover"/>
>    </cwc2>
> </td>
> </tr>
> 
>  
> 
>   <!-- include the javascript code that manages the DHTML layers -->
>   <script language="JavaScript" src="sample.js" type="text/javascript">
>   </script>
> 
> 
> .....
> 
> And mi file sample.js is:
> 
> 
> function ChangeLayerStatus(szLayerName)
> {
> 
>     if(typeof goCWCJSAPI == "undefined")
>     {
>         return false;
>     }
> 
>     szStatus = goCWCJSAPI.oMap.GetLayerByName(szLayerName).GetStatus();
>     //alert('status='+szStatus)
> 
>     if(szStatus == "ON")
>     {
>         szNewStatus = "OFF";
>     }
>     else
>     {
>         szNewStatus = "ON";
>     }
> 
>     goCWCJSAPI.oMap.GetLayerByName(szLayerName).SetStatus(szNewStatus);
> 
> }
> 
> 
> 
> Fernando Sánchez García
> SIG-UCO Universidad de Córdoba
> Dept. Ingeniería Gráfica E Ingeniería Y Sist. Información Cartográfica
> Edificio Gregor Mendel C5 - 3ª Pta.
> Campus Universitario de Rabanales. Ctra. N-IV a km. 396
> 14071 CÓRDOBA (España).
> 
>  
> 
> 
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-- 
Julien-Samuel Lacroix
Mapgears
http://www.mapgears.com/