/**
* Returns array of elements from clipboard to insert into GROUP element box.
*
* @param string $allowed Allowed elements, Eg "pages,tt_content", "gif,jpg,jpeg,png
* @param string $mode Mode of relations: "db" or "file
* @return array Array of elements in values (keys are insignificant), if none found, empty array.
*/
protected function getClipboardElements($allowed, $mode)
{
if (!is_object($this->clipboard)) {
$this->clipboard = GeneralUtility::makeInstance(Clipboard::class);
$this->clipboard->initializeClipboard();
}
$output = [];
switch ($mode) {
case 'file_reference':
case 'file':
$elFromTable = $this->clipboard->elFromTable('_FILE');
$allowedExts = GeneralUtility::trimExplode(',', $allowed, true);
// If there are a set of allowed extensions, filter the content:
if ($allowedExts) {
foreach ($elFromTable as $elValue) {
$pI = pathinfo($elValue);
$ext = strtolower($pI['extension']);
if (in_array($ext, $allowedExts)) {
$output[] = $elValue;
}
}
} else {
// If all is allowed, insert all: (This does NOT respect any disallowed extensions,
// but those will be filtered away by the backend DataHandler)
$output = $elFromTable;
}
break;
case 'db':
$allowedTables = GeneralUtility::trimExplode(',', $allowed, true);
// All tables allowed for relation:
if (trim($allowedTables[0]) === '*') {
$output = $this->clipboard->elFromTable('');
} else {
// Only some tables, filter them:
foreach ($allowedTables as $tablename) {
$elFromTable = $this->clipboard->elFromTable($tablename);
$output = array_merge($output, $elFromTable);
}
}
$output = array_keys($output);
break;
}
return $output;
}
/**
* @param string $relativeTo
* @param boolean $reference
* @return string
*/
public static function createIconWithUrl($relativeTo, $reference = FALSE)
{
$reference = (bool) $reference;
$data = self::getClipBoardData($reference);
if (NULL === $data) {
return '';
}
if (TRUE === $reference) {
$icon = MiscellaneousUtility::getIcon('actions-insert-reference');
$title = LocalizationUtility::translate('paste_reference', 'Flux');
} else {
$icon = MiscellaneousUtility::getIcon('actions-document-paste-after');
$title = LocalizationUtility::translate('paste', 'Flux');
}
$clipBoard = new Clipboard();
$clipBoard->initializeClipboard();
$uri = $clipBoard->pasteUrl('tt_content', $relativeTo);
return MiscellaneousUtility::wrapLink($icon, $uri, $title);
}
/**
* Initializes the clipboard for generating paste links
*
* @return void
*
* @see \TYPO3\CMS\Recordlist\RecordList::main()
* @see \TYPO3\CMS\Backend\Controller\ClickMenuController::main()
* @see \TYPO3\CMS\Filelist\Controller\FileListController::main()
*/
protected function initializeClipboard()
{
// Start clipboard
$this->clipboard = GeneralUtility::makeInstance(\TYPO3\CMS\Backend\Clipboard\Clipboard::class);
// Initialize - reads the clipboard content from the user session
$this->clipboard->initializeClipboard();
// This locks the clipboard to the Normal for this request.
$this->clipboard->lockToNormal();
// Clean up pad
$this->clipboard->cleanCurrent();
// Save the clipboard content
$this->clipboard->endClipboard();
}
