// $Id$

/**
 * @file
 * Form elements title module JS
 * 
 * Use the title HTML attribute from form elements to set a textual default
 * value that blurs when user get focus in it.
 *
 * Modified code from http://drupal.org/node/401366
 * Thanks to chriscalip (http://drupal.org/user/210499) for his codebase.
 */

Drupal.behaviors.fetitle = function(context) {
  $('input').each(function(){
    switch (this.type) {
      case 'text':
      case 'textarea':
        $(this).hint();
        break;
      default:
        // Pass
    }
  });
};

jQuery.fn.hint = function (blurClass) {
  if (! blurClass) { 
    blurClass = 'blur';
  }

  return this.each(function () {
    // get jQuery version of 'this'
    var $input = jQuery(this),

    // capture the rest of the variable to allow for reuse
      title = $input.attr('title'),
      $form = jQuery(this.form),
      $win = jQuery(window);

    function remove() {
      if ($input.val() === title && $input.hasClass(blurClass)) {
        $input.val('').removeClass(blurClass);
      }
    }

    // only apply logic if the element has the attribute
    if (title) { 
      // on blur, set value to title attr if text is blank
      $input.blur(function () {
        if (this.value === '') {
          $input.val(title).addClass(blurClass);
        }
      }).focus(remove).blur(); // now change all inputs to title

      // clear the pre-defined text when form is submitted
      $form.submit(remove);
      $win.unload(remove); // handles Firefox's autocomplete
    }
  });
};