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As I am having a custom "position:fixed" top navigation bar in my admin pages, the sticky table header are being hidden behind it when I scroll-up.

I went through tableheader.js and saw there is a Drupal.settings.tableHeaderOffset that helps change the "top" property, but I don't know where I should override it. Possible to do it in my template.php?

Also, I would like to change the position that triggers the sticky header to change visibility from hidden to visible...

  // Track horizontal positioning relative to the viewport and set visibility.
  var hScroll = document.documentElement.scrollLeft || document.body.scrollLeft;
  var vOffset = (document.documentElement.scrollTop || document.body.scrollTop) - this.vPosition;
  this.stickyVisible = vOffset > 0 && vOffset < this.vLength;
  this.stickyTable.css({ left: (-hScroll + this.hPosition) + 'px', visibility: this.stickyVisible ? 'visible' : 'hidden' });
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1 Answer 1

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You can override tableheader.js using hook_js_alter(&js) {}, just replace path of file, like in example (details here).

Also you can override Drupal.settings.tableHeaderOffset value. Thus, in template.php place something like this:

drupal_add_js('themeTableHeaderOffset() { return 200; }', 'inline');
drupal_add_js(array('tableHeaderOffset' => 'themeTableHeaderOffset'), 'setting');
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  • I ended up using hook_js_alter to replace the default misc/tableheader.js file with a custom one in my theme, but your solution seems to answer to my question on why when I used 'setting' and did 'tableHeaderOffset' => '200' I got a "number is not a function" error msg. I guess that's the way to circumvent it..
    – George Katsanos
    Apr 9, 2013 at 16:50
  • Just take a look in tableheader.js on line 83: this.stickyOffsetTop = Drupal.settings.tableHeaderOffset ? eval(Drupal.settings.tableHeaderOffset + '()') : 0; There is eval expression, so Drupal.settings.tableHeaderOffset should be a callback function name, like in my example. Obviously 200() is not a function :)
    – Oleg Sherbakov
    Apr 9, 2013 at 21:11
  • Yep, I'd seen it, I just didn't think about it myself :) thanks!
    – George Katsanos
    Apr 10, 2013 at 5:44
  • Actually I get a Uncaught ReferenceError: themeTableHeaderOffset is not defined. (I put it in a preprocess page) should I if to check if the tableheader.js is loaded..
    – George Katsanos
    Apr 10, 2013 at 8:57
  • Fixed it like that:drupal_add_js('var themeTableHeaderOffset = function() { var offsetheight = jQuery("#header").height(); return offsetheight; }', 'inline');
    – George Katsanos
    Apr 10, 2013 at 9:30

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