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Accessing Parents Parent information
6 January 2010 at 6:48am
Hi All,
I am trying to access an objects parent parent. For example. I have a homepage that has a featured article. The article is in a structure of Category >> Sub Cat >> Article. So I can access the parent of the article to get the sub category - $FeaturedArticle.Parent.Link
When I try $FeaturedArticle.Parent.Parent.Link though this will then simply return an error stating the forTemplate method is not available for category to render. Because of this I added the forTemplate method but then nothing returns at all when I call it. No errors, nothing. My forTemplate function is below, any idea when I then call $FeaturedArticle.Parent.Parent nothing displays on my .ss template? Also does anyone know a better way to access this data from the $FeaturedArticle variable that I have.
function forTemplate() {
$whereStatement = "CategoryPage_Live.ID = " . $this->ID; // Select the current category
$orderBy = null;
$limit = null;
$join = null;//$whereStatement = "ParentID = ".$this->ParentID." AND ID <> ".$this->ID;
$cat = DataObject::get("CategoryPage", $whereStatement, $orderBy, $join, $limit);
$string = '<a href="'.$cat->Link.'">'.$cat->Title.'</a>';
return $string;
} -
Re: Accessing Parents Parent information
6 January 2010 at 9:21am
Not sure the template parser supports that level of nested commands (Parent.Parent). You probably have to wrap it in a control
<% control FeaturedArticle %>
<% control Parent %>
$Parent.Link
<% end_control %>
<% end_control %> -
Re: Accessing Parents Parent information
8 January 2010 at 11:01am
I think Willr is right.
But it makes the templates "ugly" ;)If i have such a situation i use delegate-methods to avoid control..control..control blocks in the templates.
For example FeaturedArticlefunction Category() {
return $this->Parent()->Parent();
}Now the template looks like this
$Category.Link
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Re: Accessing Parents Parent information
8 January 2010 at 11:19am
Thanks all, these solutions work perfectly.
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