[opencms-dev] Check if element exists
Yves Glodt
yg at mind.lu
Wed Mar 30 11:49:33 CEST 2011
Hi Mario,
thanks for the hint about the locale, that actually fixed the problem :-)
best regards,
Yves
On 30 March 2011 09:59, Mario Jäger <m.jaeger at alkacon.com> wrote:
> Hi Yves,
>
> Thank you for the control code. The result of your three calls in my
> environment with your example is "true, true, true".
>
> Please, check if your current context locale matches the locale in the
> free page. Your current context locale should be "en" to match the
> locale in your free page. For another locale than "en" the element
> "rcontent" does not exist and the result of the three calls is "false,
> true, false". With the following line you can check your current context
> locale:
>
> ${cms:vfs(pageContext).context.locale}
>
> Kind Regards,
> Mario.
>
> Am 29.03.2011 22:40, schrieb Yves Glodt:
> > Here is the controlcode:
> >
> > <?xml version="1.0" encoding="UTF-8"?>
> >
> > <pages xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> > xsi:noNamespaceSchemaLocation="
> http://www.opencms.org/dtd/6.0/xmlpage.xsd">
> > <page language="en">
> > <element name="lcontent">
> > <links/>
> > <content/>
> > </element>
> > <element name="mcontent">
> > <links/>
> > <content/>
> > </element>
> > <element name="rcontent">
> > <links />
> > <content />
> > </element>
> > </page>
> > </pages>
> >
> >
> >
> >
> > On 29 March 2011 17:48, Mario Jäger <m.jaeger at alkacon.com
> > <mailto:m.jaeger at alkacon.com>> wrote:
> > >
> > > Hi Yves,
> > >
> > > Please, show me the control code of your "page with free text". The
> > > structure is important for me, not the content of the elements. Shall
> > > mean, that you can remove the content of the elements, of course.
> > >
> > > Kind Regards,
> > > Mario.
> > >
> > > Am 29.03.2011 16:45, schrieb Yves Glodt:
> > > > Hi Mario,
> > > >
> > > > in fact the element exists in the page, so yes, I wonder why isEmpty
> > > > returns "true".
> > > >
> > > > And I also wonder why the 2 other calls return false... :-)
> > > >
> > > > Is there another way to check whether an element exists in a page?
> > > >
> > > > The example here does also not work as I expect:
> > > >
> >
> http://opencms-wiki.org/EL_functions_provided_by_OpenCMS_taglib#XML_content
> > > >
> > > > Maybe I expect something impossible. As said, my page is a simple
> "page
> > > > with free text"
> > > >
> > > >
> > > > On 29 March 2011 16:13, Mario Jäger <m.jaeger at alkacon.com
> > <mailto:m.jaeger at alkacon.com>
> > > > <mailto:m.jaeger at alkacon.com <mailto:m.jaeger at alkacon.com>>> wrote:
> > > >
> > > > Hi Yves,
> > > >
> > > > I assume, that you are wondering over the (second) return value
> > "true",
> > > > because the element does not exist in your xml content. With
> > the three
> > > > function calls you use, methods in
> > > > org.opencms.jsp.util.CmsJspContentAccessValueWrapper.java are
> > used. The
> > > > second call uses the method getIsEmpty() in that class. And
> > that method
> > > > also returns true for non existing values. The description for
> that
> > > > method says: Returns true in case the value is empty, that is
> > either
> > > > null or an empty String.
> > > >
> > > > Kind Regards,
> > > > Mario.
> > > >
> > > > Am 29.03.2011 14:58, schrieb Yves Glodt:
> > > > > Hello,
> > > > >
> > > > > I try to check if an element exists in a "page with free text",
> > > > and if
> > > > > yes, include it.
> > > > >
> > > > > The check I do like this (in a c:if), but these 3 calls return
> > > > "false,
> > > > > true, false" (in order of appearance)
> > > > >
> > > >
> >
> ${cms:vfs(pageContext).xml[cms:vfs(pageContext).context.uri].hasValue['rcontent']}
> > > > >
> > > >
> >
> ${cms:vfs(pageContext).xml[cms:vfs(pageContext).context.uri].value['rcontent'].isEmpty}
> > > > >
> > > >
> >
> ${cms:vfs(pageContext).xml[cms:vfs(pageContext).context.uri].value['rcontent'].exists}
> > > > >
> > > > > What is wrong about this?
> > > > >
> > > > > Best regards,
> > > > > Yves
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > _______________________________________________
> > > > > This mail is sent to you from the opencms-dev mailing list
> > > > > To change your list options, or to unsubscribe from the list,
> > > > please visit
> > > > > http://lists.opencms.org/mailman/listinfo/opencms-dev
> > > >
> > > >
> > > > --
> > > > -------------------
> > > > Mario Jäger
> > > >
> > > > Visit OpenCms Days 2011 Conference and Expo
> > > > May 9 to May 10 2011 in Cologne, Germany
> > > > http://www.opencms-days.org
> > > >
> > > > Alkacon Software GmbH - The OpenCms Experts
> > > > http://www.alkacon.com - http://www.opencms.org
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > This mail is sent to you from the opencms-dev mailing list
> > > > To change your list options, or to unsubscribe from the list,
> > please visit
> > > > http://lists.opencms.org/mailman/listinfo/opencms-dev
> > >
> > >
> > > --
> > > -------------------
> > > Mario Jäger
> > >
> > > Visit OpenCms Days 2011 Conference and Expo
> > > May 9 to May 10 2011 in Cologne, Germany
> > > http://www.opencms-days.org
> > >
> > > Alkacon Software GmbH - The OpenCms Experts
> > > http://www.alkacon.com - http://www.opencms.org
> > >
> > > _______________________________________________
> > > This mail is sent to you from the opencms-dev mailing list
> > > To change your list options, or to unsubscribe from the list, please
> > visit
> > > http://lists.opencms.org/mailman/listinfo/opencms-dev
> >
> >
> >
> >
> > _______________________________________________
> > This mail is sent to you from the opencms-dev mailing list
> > To change your list options, or to unsubscribe from the list, please
> visit
> > http://lists.opencms.org/mailman/listinfo/opencms-dev
>
>
> --
> -------------------
> Mario Jäger
>
> Visit OpenCms Days 2011 Conference and Expo
> May 9 to May 10 2011 in Cologne, Germany
> http://www.opencms-days.org
>
> Alkacon Software GmbH - The OpenCms Experts
> http://www.alkacon.com - http://www.opencms.org
>
> _______________________________________________
> This mail is sent to you from the opencms-dev mailing list
> To change your list options, or to unsubscribe from the list, please visit
> http://lists.opencms.org/mailman/listinfo/opencms-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://webmail.opencms.org/pipermail/opencms-dev/attachments/20110330/3ee57dd8/attachment.htm>
More information about the opencms-dev
mailing list