> Hello,
>
> Does anybody know of a function like generatetreelist that seperates
> the depth from the value. Instead of counting the spacer chars.
>
> I saw an SQL query in the explanation page of MySQL.
> It's this page: http://dev.mysql.com/tech-resources/articles/hierarchical-data.html
>
> This is the query:
> SELECT node.name, (COUNT(parent.name) - 1) AS depth
> FROM nested_category AS node,
> nested_category AS parent
> WHERE node.lft BETWEEN parent.lft AND parent.rgt
> GROUP BY node.name
> ORDER BY node.lft;
>
>
> I don't know how I would use this query with find.
> Though I could use the custom-query-function.
>
> The thing is; I would like to seperate depth and the value of my tree
> (categories). Then I can filter it with htmlentities (the category
> names), without using htmlentities on the spacer.
If what you want to do is to display the entries differently based on
their depth, you could do this with TreeHelper.
http://bakery.cakephp.org/articles/view/tree-helper-1
Note the last part of the article, "Variables available in your
element". You use these like:
if ($depth == 0)
{
$tree->addItemAttribute('class', 'Section');
}
if ($hasChildren)
{
$tree->addItemAttribute('class', 'Parent');
}
In this case, a node at top (depth == 0) gets a Section class. If it
has children, it also gets Parent class. This code is inside an
element named "nav_nodes". It's loaded from within another element
called "nav":
echo $tree->generate(
$section_nodes,
array(
'element' => 'sections/nav_node',
'model' => 'Section'
)
);
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