Mike Davis wrote:
I want to parse XML attachments to a page and display the data in a
table or list on the page. Does this functionality exist? Just checking
before I write my own code.
So you have attachments which are XML files and you want to parse them
and display their content in a wiki table ?
If so, I'd suggest you use the {{groovy}} macro and use the groovy xml
slurper to do the work. You should be able to write this in less than 10
lines :)
http://groovy.codehaus.org/Reading+XML+using+Groovy%27s+XmlSlurper
Thanks
-Vincent
Thanks, got that up and running in only a few minutes! Now I'd like a way
to have the user click on one level of the xml hierarchy I display and have
it expand to show the children of that section (I have the hierarchy
iteration code, just not the gui code). Something graphically like a
macro error (the one that says Failed to execute macro: groovy) and then
you click to expand and view the content.
http://code.xwiki.org/xwiki/bin/view/Snippets/ShowHideDIVSnippet
Guillaume
Ok, I have that code working (ShowHidDIV) in a velocity macro with {{html}}
tags around the div. Unfortunately, when I pass the xmlslurper object to a
velocity macro, I can no longer access fields of the object, it looks like
it's all being converted to a big string. My code:
I would approach this problem by using groovy only.
When your velocity or groovy executes, it's output is parsed as XWiki syntax so
you can do this in the groovy
macro.
println({{html}});
// Remember to escape marks.
println(div onclick=\toggleClass($('REG'), 'hidden')\);
println(Show/Hide);
println(/div);
pritnln(div id=\REG\ class=\hidden\);
// Is getField() what you want?
println(allReg.getField());
println(/div);
println({{/html}});
Your method is sound and I'm sure it could be made to work, but I would opt to
use one script language
in order to minimize the code complexity and fragility.
Caleb
{{groovy}}
xmlFile = new String(doc.getAttachment(file.xml).content)
def slurp = new XmlSlurper().parseText(xmlFile)
def allReg = slurp.Register
xcontext.put(allReg,allReg)
{{/groovy}}
{{velocity}}
#set($allReg=$xcontext.get(allReg))
{{html}}
div onclick=toggleClass($('REG'), 'hidden')
Show/Hide
/div
div id=REG class=hidden
$allReg.field
/div
{{/html}}
{{/velocity}}
But like I said, I can't access the fields of allReg in the velocity script:
$allReg.field just returns the whole string from the slurper. So I need a
way to either embed html in the groovy code with access to the groovy
variables, or a way to correctly pass a slurper object using xcontext.
Thanks,
-Mike
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