[TYPO3-templavoila] Automatic hiding of unused content area...

Stig Nørgaard Færch snf at dkm.dk
Tue Jan 20 15:09:39 CET 2009

Just for anyone who might be interested.

On a project that I'm currently working on, I have added a simple but 
cool feature to Templavoila by typoscript.

Usually when we have a site with a layout which is 3 columns on the 
frontpage and 2/3 columns on the subpages, we create two datastructures.

The problem is that it is not very intuitive for the user to change from 
2 to 3 columns on a subpage, as he has to both change a datastructure 
and the template.

So instead of going for two datastructures, I have managed to hide the 
3rd column if it is empty.
So the thing that decides if the 3rd column is shown, is if I have put 
any content in it.

This is the typoscript in the datastructure on the field/area which I 
want to hide if it is empty:
	10.tables = tt_content
		cObject.rightContentEmpty = 1
	10.stdWrap {
		required = 1
		wrap = <!--TYPO3SEARCH_begin--> | <!--TYPO3SEARCH_end-->
So here I say that if there is no content the register should add 
rightContentEmpty with a value of 1.

In my typoscript template (setup field), I add the following code:
page.headerData.1001 = TEXT
page.headerData.1001 {
   value (
   <style type="text/css">
   #right {display:none;} #normal {width: 501px; margin-right: 33px;}
   if.isTrue.data = register:rightContentEmpty
So if rightContentEmpty is true, then the css will be added with the 
The CSS hides #right and makes #normal wider and gives it a different 

That's it. Hope it will be useful to some of you.


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