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Taken From The Forum: Help & Support for DHTML Menu Version 5+
Forum Topic: Click to view post
Last Updated: Saturday July 14 2012 - 06:07:53

Deleting all items from menu


Poster: qperkins
Dated: Sunday February 13 2005 - 4:41:57 GMT

I need to dynamically add and delete from the menus. The way I would like to do this, is to call a script that empties a menu and then re-builds it based on user supplied info.

I can add and edit at will with the mm_changeItemProperty that Andy provided. It also allows for a remove a selected entry, but I need to erase an entire menu to rebuild. I would like either a script that would erase all of the entries in a selected menu or if someone could just help me identify the array I would need to zero, I could do it myself.

Can anyone please help me?


Poster: Ruth
Dated: Sunday February 13 2005 - 7:43:16 GMT

qperkins wrote:
if someone could just help me identify the array I would need to zero, I could do it myself.


I don't know if this will give any kind of information that will help, but it has things about how to get a menu, positioning the menu, and talks later about how you find an item. It talks about how menu items are numbered 0 to xxxx and they are listed as el# something like that. It may have nothing related to what you are asking, since I don't really know anything about the internals of the menu. But it does talk about how items are identified. Sorry, I can't be of more help but it is really beyond my level of knowledge. http://www.milonic.com/forum/viewtopic.php?t=3632

Ruth

I have what you need....I think:)


Poster: willemk
Dated: Sunday February 13 2005 - 11:23:18 GMT

Hi,

Check out http://www.slotracinglemans.com. he meu items under the submenu members are dynamically generated based on the user logged in.
If you are familiar with database driven websites it shouldn´t be that big of problem for you.

I use MYSQL and PHP. You can create a simple table like this for instance:
Code:
CREATE TABLE menu (
  mid smallint(6) NOT NULL auto_increment,
  text varchar(40) NOT NULL default '',
  url varchar(40) NOT NULL default '',
  status char(3) NOT NULL default '',
  PRIMARY KEY  (mid),
  KEY text (text,url)
) TYPE=MyISAM;


In your code you can then do the following:
Code:
$query = mysql_query("select * from menu where status = 'on'");
while($result = mysql_fetch_array($query)) {
        $menuitems .= "aI(\"text=$result[text];url=$result[url];\");\n";
}


The query only selects those rows you have given the value "on".
The while loop loops through the records and generates the meu items.
$menuitems can now be added to your existing menu whereever you want it to be.
Note: See the backslash and the n ( \n ) after each menu item being fetched. This makes it easier to view the source when you are testing.

A simple administrator page which lets you insert delete and change the menu items in the table and you are there.

Hopes this helps


Poster: Ruth
Dated: Monday February 14 2005 - 17:19:00 GMT

Thanks for the information on the mysql/php based menu and deleting and rebuilding, wellemk. That's a great resource for any who use that kind of setup. We get queries on mysql/php, we appreciate the input!

Ruth


Poster: kevin3442
Dated: Monday February 21 2005 - 23:30:59 GMT

Just reviewing some posts after being out of town last week...

Anyone interested in dynamically adding, modifying, or deleting menu items after the menus have been rendered on a page should review this topic, which discusses a recently added api for editing menus.

Cheers,

Kevin