Help - HABTM Multi-Select Field

Hi everyone,

I am working on a project where I have set up a habtm for Categories.
I am using CakePHP 1.3
The issue I am stuck is as under:

I have a post form, where I have a Milti Select box for categories, so
I can select all the categories that the post belongs to and post it.
It works fine and all the relevant entries goes to the correct tables
(posts, categories, categories_posts).

I am using Tree structure, so I have lft and rght set in the
categories table.

I have two types forms field in different forms which is to be
populated by $categories:
1. Dropdown - for creating new categories in system.
2. Multi-Select - for posts

and code of $controllers that I used is:

Dropdown: $this->Category->generatetreelist (null, '{n}.Category.id',
'{n}.Category.cat_name', '...');
This works fine and list is seem to be in hierarchy

But problem is when I use similar code of Posts form, the category
list is just in plain list without hierarchy. Code used for that is:

$categories = $this->Post->Category->generatetreelist (null,
'{n}.Category.id', '{n}.Category.cat_name', '...');

And in view:
echo $this->Form->input('Category.Category', array('label' =>
'Categories:', 'options' => $categories));

I want to get an hierarchical list of categories in the multi-select
field as set up in database. I tried many ways but no result.
Please advice.

Regards,
Thanks.

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