Hello,
On Mon, Mar 7, 2011 at 12:39 AM, Ricardo Rodriguez [eBioTIC.] <
[email protected]> wrote:
> Hi all!
>
> I'm still struggling to understand how expanded/collapsed state of
> panels do work.
>
> I'm currently using a 2.4.30451 XE/XEM installation.
>
> Looking for macros controlling this state in macros.vm, I see:
>
> ***
> #macro(panelheader $title)
> #set($cookieName = "${context.user.replaceAll(':','')}_${panel}")
> #set($expanded = $xwiki.getUserPreferenceFromCookie($cookieName))
> #if(!$expanded)
> #set($expanded = 'expanded')
> #end
> ## Note: We pass the Panel name as an HTML class attribute so that it's
> possible to style
> ## the Panels selectively using CSS.
> #set ($specialClassAttribute = "")
> #if ($paneldoc && $paneldoc != "")
> #set ($specialClassAttribute =
> $util.convertToAlphaNumeric($paneldoc.name))
> #end
> <div class="panel $expanded $specialClassAttribute">
> <h1 class="xwikipaneltitle"
> onclick="togglePanelVisibility(this.parentNode,
> '${cookieName}');">$title</h1>
> <div class="xwikipanelcontents">
> #end
> ***
>
> This macro creates an expanded panel. By clicking the panel title, the
> system creates a cookie that stores her current state.
>
> But if I modify this macro and says...
>
> #if(!$expanded)
> #set($expanded = 'collapsed')
> #end
>
> No macro is created and panels are always collapsed when loaded and
> after relaoding.
>
That is because 'collapsed' is used as a class name for the panel dom
element and there is also a CSS rule which says that panels with 'collapsed'
class name are being displayed as collapsed.
So, the default logic is like this:
1) take the $expanded value from a cookie
2) set the panel dom element class name as being the value of $expanded
3) on loading the page, with the help of CSS, display the panel as being
'collapsed' or 'expanded', depending on the value of $expanded
And in your case, this is the logic:
1) set the value of $expanded as being 'collapsed'
2) set the panel dom element class name as being the value of $expanded
(which is 'collapsed')
3) on loading the page, with the help of CSS, display the panel as being
'collapsed', this being the value of $expanded
I hope that this helps you understand the logic behind 'collapsed' and
'expanded' panels.
Raluca.
>
> Please, could you me understand why?
>
> Thank you so much!!!
>
> Ricardo
>
> --
> Ricardo RodrÃguez
> CTO
> eBioTIC.
> Life Sciences, Data Modeling and Information Management Systems
>
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>
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