Okay sorry folks, I've solved this one.
There should be a page that has the demo code on how to do this :-)
I did:
<view name="tabImage1" x="9" y="2" datapath="image1"
resource="$path{'text()'}" width="30" height="30" />
Martin Allchin wrote:
> Hi,
>
> I've posted various questions before to the forums/mailing list but
> never had much of a response, there's only one guy who kindly answered
> many of the posts, although I am still in some confusion.
>
> Is there an irc to ask stuff? Sometimes you need a simple one on one to
> get your head around how something works.
>
> Well, here goes anyway... The question:
>
> I'm manipulating the Laszlo dashboard demo and editing the contactslib
> class. It seems the class is passed a dataset, and it loops through it
> to render some tabs.
>
> I don't really see how the class knows to loop over the dataset, other
> languages have simple loops, I can't see any in the class at all.
>
> The problem I've having is trying to get an image to display on the tab.
> The text elements use a datapath to reference a value of the current
> data in the dataset like so:
>
> [code]<text name="tabName" fontsize="10" fgcolor="0x222222" x="150"
> y="2" datapath="name/text()" font="vera" width="180" />[/code]
>
> How can I change this to show an image instead? I'm doing something like
> this but it doesn't work:
>
> [code]<view name="tabImage1" x="9" y="2" datapath="image1/text()"
> width="30" height="30">
> <method event="oninit">
> var imgSrc = this.datapath.xpathQuery();
> tabImage1.setSource(imgSrc);
> </method>
> </view>[/code]
>
> Is there an easy way to simple set the resource of a view to use a url
> defined in the dataset, much as the text works. It seems logical to me
> you should be able to do resource=image1/text()", or maybe
> datapath="image1/text()", but niether of these works. I had to do a
> kinda bodge on some other code to get at the url by using xpathQuery,
> but doesn't seem to work so well here.
>
> Is there a guide to how this all works? I've read much of the
> documentation but it doesn't go into much detail regarding looping
> datasets. I haven't found any definitive this-is-how-it-works with
> step-by-step examples which would really help explain things much better.
>
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>
>
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