[Laszlo-dev] adding sys info to lzpix - issues with dhtml

[Jim Grandy]

Is Debug.versionInfo available in non-debug builds?

I was just copying what is used in Laszlo Explorer. If canvas.version  
and ?lzt=serverinfo are obsolete, we should update Laszlo Explorer as  
well.

jim

On Aug 10, 2006, at 4:51 AM, P T Withington wrote:

> Have a look at Debug.versionInfo, which I think gives all the  
> version info you could want.  Perhaps this should be promoted out  
> of the debugger to be available in any app?  (I don't think  
> canvas.version is what you want.  I believe it is there to enable  
> some backwards compatibility, rather than reflect version  
> information.)
>
> On 2006-08-10, at 01:20 EDT, Jim Grandy wrote:
>
>> I thought I'd add code to LZPIX to display the OpenLaszlo version
>> (canvas.version) and build number (from app.lzx?lzt=serverinfo). This
>> should help QA (and everyone else) verify what build we have deployed
>> on labs and elsewhere.
>>
>> I added this line after the includes in app.lzx:
>>
>>      <dataset name="sinfo" src="http:app.lzx?lzt=serverinfo"
>> request="true" />
>>
>> And these lines after the "links" view:
>>
>>      <view name="sysinfo" x="12" y="570">
>>          <simplelayout spacing="-3" />
>>          <text resize="true" fontsize="9" text="${'OpenLaszlo
>> Version: ' + canvas.version}" />
>>          <view>
>>            <text fontsize="9" text="OpenLaszlo Build: "/>
>>            <text resize="true" fontsize="9" datapath="sinfo:/*/ 
>> @build"/>
>>            <simplelayout axis="x"/>
>>          </view>
>>      </view> <!-- end sysinfo -->
>>
>> This works nicely in Flash, but I see two problems in DHTML. The
>> first isn't a big deal: canvas.version isn't hooked up yet, so I get
>> 'undefined' -- I'll file a bug.
>>
>> Second, I get a Javascript error in Firefox (and Opera) with the
>> databound text view. The error is "$2 has no properties" and is in
>> the first line of this block of compiled code:
>>
>> 6218 for(var $13=0;$13<$2.childNodes.length;$13++){
>> 6219 if($2.childNodes[$13].nodeType==LzDataNode.ELEMENT_NODE){
>> 6220 $12++
>> 6221 if(!$11||$12>=$11[0]){
>> 6222 $4.push($2.childNodes[$13])
>> 6223 }
>> 6224 if($11&&$12==$11[1]){
>> 6225 break
>> 6226 }
>> 6227 }
>>
>> Have I just run into a place where our XML processing hasn't caught
>> up in DHTML, or is this a bug? If a bug, is it already filed? If not,
>> I'll file one.
>>
>> jim
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>