TYPO3 Core

The sorting arrow icons, that can be used to move one step up and down are triggered by the following code:

$singleElementHTML .= $this->tt_content_drawHeader(
    $row,
    $this->tt_contentConfig['showInfo'] ? 15 : 5,
    $disableMoveAndNewButtons,
    TRUE,
    !$this->tt_contentConfig['languageMode']
);

public function tt_content_drawHeader($row, $space = 0, $disableMoveAndNewButtons = FALSE, $langMode = FALSE, $dragDropEnabled = FALSE) {

Besides the fact that "languageMode" and "dragDropEnabled" are referring to completely different topics, this leads to two different problems:

1.) There will be sorting arrows in the language view of the page module, but not in the original view (although drag & drop is possible for each of them)
2.) There is no way to activate or deactivate the sorting arrows by a parameter other than the language mode

To make the backend as accessible as possible, while still removing redundant stuff, the sorting arrows should be triggered by a parameter "showSortingArrows", which should be set to false by default. This will enable moving records up and down for people who can not drag and drop (i.e. because they are using the keyboard only or a screenreader, or both), while it will be disabled for the rest of the users, since they can use drag & drop.

So we should keep the fifth parameter of the method tt_content_drawHeader but change the trigger.