// bigTarget.js - A jQuery Plugin
// Version 1.0.1
// Written by Leevi Graham - Technical Director - Newism Web Design & Development
// http://newism.com.au
// Notes: Tooltip code from fitted.js - http://www.trovster.com/lab/plugins/fitted/

// create closure
(function($) {
  // plugin definition
  $.fn.bigTarget = function(options) {
    debug(this);
    // build main options before element iteration
    var opts = $.extend({}, $.fn.bigTarget.defaults, options);
    // iterate and reformat each matched element
    return this.each(function() {
      // set the anchor attributes
      var $a = $(this);
      var href = $a.attr('href');
      var title = $a.attr('title');
      // build element specific options
      var o = $.meta ? $.extend({}, opts, $a.data()) : opts;
      // update element styles

      $a.focus(function(event) {
        $a.parents(o.clickZone).addClass(o.hoverClass);
      });
      $a.blur(function(event) {
        $a.parents(o.clickZone).removeClass(o.hoverClass);
      });


      $a.parents(o.clickZone)
        .hover(function() {
          $h = $(this);
          $h.addClass(o.hoverClass);
          if(typeof o.title != 'undefined' && o.title === true && title != '') {
            $h.attr('title',title);
          }
        }, function() {
          
          $h.removeClass(o.hoverClass);
          if(typeof o.title != 'undefined' && o.title === true && title != '') {
            $h.removeAttr('title');
          }
        })


        // click
        .click(function() {
          if(getSelectedText() == "")
          {
            if($a.is('[rel*=external]')){
              window.open(href);
              return false;
            }
            else {
              //$a.click(); $a.trigger('click');
              window.location = href;
            }
          }
        });

    });
  };
  // private function for debugging
  function debug($obj) {
    if (window.console && window.console.log)
    window.console.log('bigTarget selection count: ' + $obj.size());
  };
  // get selected text
  function getSelectedText(){
    if(window.getSelection){
      return window.getSelection().toString();
    }
    else if(document.getSelection){
      return document.getSelection();
    }
    else if(document.selection){
      return document.selection.createRange().text;
    }
  };
  // plugin defaults
  $.fn.bigTarget.defaults = {
    hoverClass  : 'hover',
    clickZone : 'li:eq(0)',
    title   : true
  };
// end of closure
})(jQuery);