Recent Questions
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 want to be able to have all of the submenus start at the top of the menu. For example, when I hover across each of my menu items in a vertical level, I want the sublevel menu to start at the very top of the menu, not out beside the menu option. How can I achieve this
A: You can have such effect only for the first subitems.
Others subitems will have Y offset.
Please, see the attached example.
You should adjust the following parameters:
var topDX=-116;
var topDY=-31;
var DX=-148;
var DY=-32;
Q: I am trying to have the selected top item in the pop up menu remain on the mouseover event after it is selected.
It seemed to be working fine when i was just testing with # as a link
but when i actually linked to different pages it returns to normal.
How do i get this to work?
A: You can find more info here:
http://www.deluxe-menu.com/highlighted-items-sample.html
Deluxe Menu has only two states normal and mouseover.
Try to do the following things:
- delete var pressedItem=1; parameter from your data file
- set correct parameter on each page before you call data file, forexample:
<noscript><a href="http://deluxe-menu.com">Javascript Menu by Deluxe-Menu.com</a></noscript>
<script type="text/javascript"> var dmWorkPath = "menudir/";</script>
<script type="text/javascript" src="menudir/dmenu.js"></script>
<script type="text/javascript"> var pressedItem=3;</script>
...
<script type="text/javascript" src="menudir/data.js"></script>
You can also 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: Tree menu doesn't display properly in Firefox or IE7. Could you give me advice on how to correct this problem? The menu creates black 'blinds' horizontally across the page. Since IE7 will be rolling out soon I need to get this corrected sometime in the next couple weeks.
A: Try to specify units in "px".
var tmenuWidth = "280px";
It's necessary to specify exact value for Mozilla browsers. It helps to position menus correctly.