[Chameleon] Zoom Box and ExpressionBuilder

Julien-Samuel Lacroix jlacroix at mapgears.com
Mon Nov 26 17:53:07 EST 2007


The zoom box is working in your application, it's simply invisible. For 
an obscure reason, the background-color of the zBoxTop div object, is 
reseted to nothing. I suggest you to try to reset the things you change 
in the sample until you find what's causing this.

For the Expression Builder widget, I'm really not sure what's the 
problem. Did you try with a really simple point layer? This may help you 
find the problem.


Jonathan Voss wrote:
> I am working on a Chameleon based web application, and I'm pretty new to 
> Chameleon.  I've had pretty good luck modifying the sample applications 
> to my needs.  However, I currently have two problems that I can't figure 
> out.
> Here is the current address of my project.
> http://itt240-02.geog.uni.edu:8000/chameleon/samples/ida.phtml
> First, the Zoom In tool does not draw a red box.  When I point the 
> sample JSAPI apps to my Mapfile, the Zoom tool works right, but for what 
> ever reason, mine doesn't.  I'm sure it's something silly that you guys 
> will know.
> Here is the code that defines the Zoom In tool.
>                <cwc2 type="ZoomIn" visible="true" imagetip="Zoom In" 
> image="icons/icon_zoomin.png"
>                    toolset="Navigation" styleresource="TextButtons" 
> label="Zoom In">
>                    <image state="normal"/>
>                    <image state="hover"/>
>                    <image state="selected"/>
>                </cwc2>
> Secondly, the ExpressionBuilder button doesn't seem to work right at 
> all.  The second "Counties" layer is referring to the WFS service 
> provided by the "Counties" layer right above it.  I've sort of debugged 
> the problem a little bit, and it seems the geometry attribute is 
> msGeometry gml:GeometryPropertyType instead of anything useful.  Also, 
> the select SLD bit doesn't seem to work at all.
> Here is the code that defines the Build Filter tool.
>                <cwc2 type="ExpressionBuilder" visible="true" 
> styleresource="TextButtons" label="Build Filter" 
> image="icons/icon_expression_build.png" imagetip="Build Filter 
> Expression" popupwidth="700" popupheight="500" toolbar="false" 
> status="false" menubar="false" wildcard="@" singlechar="." escape="!">
>                    <image state="normal"/>
>                    <image state="selected"/>
>                    <image state="hover"/>
>                    <style name="Blue Points" 
> sld="[$gszAppWebPath$]/styles.sld" namedlayer="point" layertype="point"/>
>                    <style name="Blue Lines" 
> sld="[$gszAppWebPath$]styles.sld" namedlayer="line" layertype="line"/>
>                    <style name="Blue Polygons" 
> sld="[$gszAppWebPath$]styles.sld" namedlayer="polygon" 
> layertype="polygon"/>
>                </cwc2>
> Any help on these two issues would be greatly appreciated.
> Thanks,
> Jonathan
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Julien-Samuel Lacroix

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