third_party/pycoverage/coverage/htmlfiles/jquery.isonscreen.js

   1 /* Copyright (c) 2010
   2  * @author Laurence Wheway
   3  * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
   4  * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
   5  *
   6  * @version 1.2.0
   7  */
   8 (function($) {
   9         jQuery.extend({
  10                 isOnScreen: function(box, container) {
  11                         //ensure numbers come in as intgers (not strings) and remove 'px' is it's there
  12                         for(var i in box){box[i] = parseFloat(box[i])};
  13                         for(var i in container){container[i] = parseFloat(container[i])};
  14
  15                         if(!container){
  16                                 container = {
  17                                         left: $(window).scrollLeft(),
  18                                         top: $(window).scrollTop(),
  19                                         width: $(window).width(),
  20                                         height: $(window).height()
  21                                 }
  22                         }
  23
  24                         if(     box.left+box.width-container.left > 0 &&
  25                                 box.left < container.width+container.left &&
  26                                 box.top+box.height-container.top > 0 &&
  27                                 box.top < container.height+container.top
  28                         ) return true;
  29                         return false;
  30                 }
  31         })
  32
  33
  34         jQuery.fn.isOnScreen = function (container) {
  35                 for(var i in container){container[i] = parseFloat(container[i])};
  36
  37                 if(!container){
  38                         container = {
  39                                 left: $(window).scrollLeft(),
  40                                 top: $(window).scrollTop(),
  41                                 width: $(window).width(),
  42                                 height: $(window).height()
  43                         }
  44                 }
  45
  46                 if(     $(this).offset().left+$(this).width()-container.left > 0 &&
  47                         $(this).offset().left < container.width+container.left &&
  48                         $(this).offset().top+$(this).height()-container.top > 0 &&
  49                         $(this).offset().top < container.height+container.top
  50                 ) return true;
  51                 return false;
  52         }
  53 })(jQuery);