Recent Questions
Q: I’m trying to setup a simple DHTML MENU (TREE MENU). It works just fine. I just have an issue that I can’t solve.
The parameter “ var tmenuHeight = "0"; Your documentation says the following
-----------
Height of the menu in (px, % or other units).
If the value 0 - the menu sets its height automatically.
If the value is small - scrollbars appear.
In IE it looks fine but I cannot see the menu in Firefox. When I set the parameter to for example 100 then it shows up both in IE and Firefox. But I cannot set a value in pixels. I don’t know how big the menu is because it’s dynamically built. According to your doc I can specify the value in percentage but this doesn’t work. When I set the value to “100%” it doesn’t show up in Firefox again.
How can I solve this issue?
A: Try to set this parameter in the following way:
var tmenuHeight = "auto";
Q: Is there any way to keep a menu lit up when going to another page? Or do the menus always have to default back to their normal state?
I want the menu to know what page the user is on and keep that section highlighted. Any ideas?
A: You should set a pressed item using Javascript API:
function dm_ext_setPressedItem (menuInd, submenuInd, itemInd, recursion)
Sets a current pressed item.
menuInd - index of a menu on a page, >= 0.
submenuInd - index of a submenu, >= 0.
itemInd - index of an item, >=0.
recursion = true/false - highlight parent items.
But notice, to use dm_ext_setPressedItem() you should know ID of selected item and subitem.
You can't get this ID after you reload your page. That is why you should write your own code on PHP.
Q: Hi, I need to know if it is possible to accomplish the following functionalities with your tree-menu library.
1. I need to have two or more trees in the same page
2. I need to have a checkBox in each node and through a JavaScript function be able to add the selected nodes into another tree.
3. I need to eliminate the nodes that has check=true
4. I need to populate on-demand the tree using AJAX
5. I need to implement drag&drop through the use of the mouse events on the tree nodes
6. How would the tree behave with 10000 nodes??
7. I need to have a tree within another element that uses scroll
such as a DIV or SPAN (fixed area). When collapsed or expanded, the area should remain its original size.
A: 1. You can add any number of the menus on the one page.
2, 3, 5. Yes, you can do it. But you should create your own server-side script (for example, php) that will do it. The menu doesn't support such a feature.
4. Unfortunately, you can't use the AJAX-like technology in the Deluxe Tree such as in Deluxe Menu.
6. It is possible that the loading speed can be lower if the menu is very large. But it doesn't take so much time.
Yes, you can notice some delay in IE, but in over browsers it works better.
Deluxe Tree works fast, but 10000 is a large value. Please, try atrial version of Deluxe Tree.
I tried to create large menus on my machine: P4 3GHz, 512RAM WinXP SP2
It takes:
- 1000 items ~ 10 sec
- 2000 items ~ 40 sec
7. You can paste Deluxe Tree into the <table> or <div>.
Q: I am in the process of building this site, but as you will see the menu text is showing on the top menue, but not the javascript hide menu itself.
A: You forgot to upload engine files on you server.
That is why you see search engine friendly code for the javascript hide menu only:
<div id="dmlinks" style="font:normal 11px Arial;color:#ff9966;text-decoration:none">
...
</div>
Notice that you should call dmenu.js file and dmWorkPath parameter on your html page only once.
You should write only
<noscript><a href="http://deluxe-menu.com">Javascript Menu by Deluxe-Menu.com</a></noscript>
<script type="text/javascript"> var dmWorkPath="OnlineHelp.files/";</script>
<script type="text/javascript" src="OnlineHelp.files/dmenu.js">