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   1  /*

   2   * draggable_core.js

   3   */
   4  
   5  var el, offsetBefore, offsetAfter, dragged;
   6  
   7  var drag = function(handle, dx, dy) {
   8      var element = el.data("draggable").element;
   9      offsetBefore = el.offset();
  10      $(handle).simulate("drag", {
  11          dx: dx || 0,
  12          dy: dy || 0
  13      });
  14      dragged = { dx: dx, dy: dy };
  15      offsetAfter = el.offset();
  16  }
  17  
  18  var moved = function (dx, dy, msg) {
  19      msg = msg ? msg + "." : "";
  20      var actual = { left: offsetAfter.left, top: offsetAfter.top };
  21      var expected = { left: offsetBefore.left + dx, top: offsetBefore.top + dy };
  22      same(actual, expected, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ' + msg);
  23  }
  24  
  25  function restoreScroll(what) {
  26      if(what) {
  27          $(document).scrollTop(0); $(document).scrollLeft(0);
  28      } else {
  29          $("#main")[0].scrollTop = 0; $("#main")[0].scrollLeft = 0;
  30      }
  31  }
  32  
  33  (function($) {
  34  
  35  module("draggable");
  36  
  37  test("element types", function() {
  38      var typeNames = ('p,h1,h2,h3,h4,h5,h6,blockquote,ol,ul,dl,div,form'
  39          + ',table,fieldset,address,ins,del,em,strong,q,cite,dfn,abbr'
  40          + ',acronym,code,samp,kbd,var,img,object,hr'
  41          + ',input,button,label,select,iframe').split(',');
  42  
  43      $.each(typeNames, function(i) {
  44          var typeName = typeNames[i];
  45          el = $(document.createElement(typeName)).appendTo('body');
  46          (typeName == 'table' && el.append("<tr><td>content</td></tr>"));
  47          el.draggable({ cancel: '' });
  48          drag(el, 50, 50);
  49          moved(50, 50, "&lt;" + typeName + "&gt;");
  50          el.draggable("destroy");
  51          el.remove();
  52      });
  53  });
  54  
  55  test("No options, relative", function() {
  56      el = $("#draggable1").draggable();
  57      drag(el, 50, 50);
  58      moved(50, 50);
  59  });
  60  
  61  test("No options, absolute", function() {
  62      el = $("#draggable2").draggable();
  63      drag(el, 50, 50);
  64      moved(50, 50);
  65  });
  66  
  67  })(jQuery);