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| <?php
namespace Tx\Foo\ViewHelpers;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
/**
* Create a HTML link to a page in the backend.
* Useful for links in the backend preview.
*
* @author Christian Weiske <weiske@mogic.com>
*/
class BackendPreviewLinkViewHelper extends AbstractViewHelper
{
/**
* Create a HTML link
*
* @param string $parameter Typolink
*
* @return string HTML
*/
public function render($parameter)
{
$attributes = '';
$text = $this->renderChildren();
if (trim($text) == '') {
$text = '(no text)';
}
if (trim($parameter) == '') {
return $text;
}
if (is_numeric($parameter)) {
//page id
$url = BackendUtility::getModuleUrl(
'web_layout',
array(
'id' => $parameter
)
);
$title = 'Page #' . $parameter;
} else if (preg_match('.\\d+#\\d+$.', $parameter)) {
//page id and content element ID
list($pageId, $contentId) = explode('#', $parameter);
$url = BackendUtility::getModuleUrl(
'web_layout',
array(
'id' => $pageId
)
) . '#element-tt_content-' . $contentId;
$title = 'Page #' . $pageId . ', element #' . $contentId;
} else if (substr($parameter, 0, 5) == 'file:') {
//File
return $text . ' | <tt>' . htmlspecialchars($parameter) . '</tt>';
} else if (substr($parameter, 0, 7) == 'http://'
|| substr($parameter, 0, 8) == 'https://'
) {
//External URL
list($url) = explode(' ', $parameter);
$title = $parameter;
$attributes = ' target="_blank"';
$extra = '➚';
} else if (preg_match('#^[^ ]+@[^a]#', $parameter)) {
//email
list($address) = explode(' ', $parameter);
$url = 'mailto:' . $address;
$title = $parameter;
} else if ($parameter{0} == '/') {
//custom relative URL
$url = $parameter;
$title = $parameter;
$attributes = ' target="_blank"';
$extra = '➚';
} else {
//unknown
return '<tt>' . htmlspecialchars($parameter) . '</tt>';
}
return '<a href="' . htmlspecialchars($url) . '"'
. ' title="' . htmlspecialchars($title) . '"'
. ' style="text-decoration: underline"'
. $attributes
. '>'
. $text
. '</a>'
. $extra;
}
}
?>
|
