function toggleFolder()

in content/api/latest/c++/dynsections.js [48:81]

• 25 lines of code
• 2 McCabe index (conditional complexity)

function toggleFolder(id)
{
  //The clicked row
  var currentRow = $('#row_'+id);
  var currentRowImages = currentRow.find("img");

  //All rows after the clicked row
  var rows = currentRow.nextAll("tr");

  //Only match elements AFTER this one (can't hide elements before)
  var childRows = rows.filter(function() {
    var re = new RegExp('^row_'+id+'\\d+_$', "i"); //only one sub
    return this.id.match(re);
  });

  //First row is visible we are HIDING
  if (childRows.filter(':first').is(':visible')===true) {
    currentRowImages.filter("[id^=arr]").attr('src', 'ftv2pnode.png');
    currentRowImages.filter("[id^=img]").attr('src', 'ftv2folderclosed.png');
    rows.filter("[id^=row_"+id+"]").hide();
  } else { //We are SHOWING
    //All sub images
    var childImages = childRows.find("img");
    var childImg = childImages.filter("[id^=img]");
    var childArr = childImages.filter("[id^=arr]");

    currentRow.find("[id^=arr]").attr('src', 'ftv2mnode.png'); //open row
    currentRow.find("[id^=img]").attr('src', 'ftv2folderopen.png'); //open row
    childImg.attr('src','ftv2folderclosed.png'); //children closed
    childArr.attr('src','ftv2pnode.png'); //children closed
    childRows.show(); //show all children
  }
  updateStripes();
}