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Treemenu with PHP
Figure 8-4. Treemenu block with
Treemenu for PHP-Nuke will read a simple, plain text file that contains the "nodes" and "leaves" of a menu
and will create a block with a Treemenu, as shown in Figure 8-4. Features include:
No database changes. You only change a text file.
Grouping of menu items ("leaves" of the Treemenu) under "nodes".
Expansion and collapse of the nodes based on the value of an URL parameter. You can thus let a submenu stay "open" , even after you cliked on a leaf link.
Custom images for nodes (open or closed) and leaves. You can make it look like a window of a file manager.
More complicated logic possible (e.g. depending on categories etc.), see
Treemenu block for PHPNuke:
This Treemenu is based on a
disabled. On the other side, for every change of the menu, like expansion or collapse , a new HTTP page request is made to the server. Like PHP itself, the Treemenu
is a server-side technology.
A detailed description of the Treemenu can be found in
Treemenu block for PHPNuke. We also discuss it in Section 17.2.2, in the context of modifying blocks, specifically the Modules block.