/**
* Loads the CSS files defined in the form, based on its cssfiles attribute
*
* @since 2.0
*/
public function loadCSSFiles()
{
// Support for CSS files
$cssfiles = $this->getAttribute('cssfiles');
if (!empty($cssfiles)) {
$cssfiles = explode(',', $cssfiles);
foreach ($cssfiles as $cssfile) {
FOFTemplateUtils::addCSS(trim($cssfile));
}
}
// Support for LESS files
$lessfiles = $this->getAttribute('lessfiles');
if (!empty($lessfiles)) {
$lessfiles = explode(',', $lessfiles);
foreach ($lessfiles as $def) {
$parts = explode('||', $def, 2);
$lessfile = $parts[0];
$alt = count($parts) > 1 ? trim($parts[1]) : null;
FOFTemplateUtils::addLESS(trim($lessfile), $alt);
}
}
}
/**
* This is a workaround which ensures that Akeeba's namespaced JavaScript and CSS will be loaded
* wihtout being tampered with by any system pluign. Moreover, since we are loading first, we can
* be pretty sure that namespacing *will* work and we won't cause any incompatibilities with third
* party extensions loading different versions of these GUI libraries.
*
* This code works by registering a system plugin hook :) It will grab the HTML and drop its own
* JS and CSS definitions in the head of the script, before anything else has the chance to run.
*
* Peace.
*/
function AkeebaStrapperLoader()
{
// If there are no script defs, just go to sleep
if (empty(AkeebaStrapper::$scriptURLs) && empty(AkeebaStrapper::$scriptDefs) && empty(AkeebaStrapper::$cssDefs) && empty(AkeebaStrapper::$cssURLs) && empty(AkeebaStrapper::$lessURLs)) {
return;
}
// Get the query tag
$tag = AkeebaStrapper::$tag;
if (empty($tag)) {
$tag = '';
} else {
$tag = '?' . ltrim($tag, '?');
}
$myscripts = '';
$preload = (bool) AkeebaStrapper::getPreference('preload_joomla2', 1);
if (version_compare(JVERSION, '3.0', 'lt') && $preload) {
$buffer = JResponse::getBody();
} else {
$preload = false;
}
// Include Javascript files
if (!empty(AkeebaStrapper::$scriptURLs)) {
foreach (AkeebaStrapper::$scriptURLs as $url) {
if ($preload && basename($url) == 'bootstrap.min.js') {
// Special case: check that nobody else is using bootstrap[.min].js on the page.
$scriptRegex = "/<script [^>]+(\\/>|><\\/script>)/i";
$jsRegex = "/([^\"\\'=]+\\.(js)(\\?[^\"\\']*){0,1})[\"\\']/i";
preg_match_all($scriptRegex, $buffer, $matches);
$scripts = @implode('', $matches[0]);
preg_match_all($jsRegex, $scripts, $matches);
$skip = false;
foreach ($matches[1] as $scripturl) {
$scripturl = basename($scripturl);
if (in_array($scripturl, array('bootstrap.min.js', 'bootstrap.js'))) {
$skip = true;
}
}
if ($skip) {
continue;
}
}
if (version_compare(JVERSION, '3.0', 'lt') && $preload) {
$myscripts .= '<script type="text/javascript" src="' . $url . $tag . '"></script>' . "\n";
} else {
JFactory::getDocument()->addScript($url . $tag);
}
}
}
// Include Javscript snippets
if (!empty(AkeebaStrapper::$scriptDefs)) {
if (version_compare(JVERSION, '3.0', 'lt') && $preload) {
$myscripts .= '<script type="text/javascript" language="javascript">' . "\n";
} else {
$myscripts = '';
}
foreach (AkeebaStrapper::$scriptDefs as $def) {
$myscripts .= $def . "\n";
}
if (version_compare(JVERSION, '3.0', 'lt') && $preload) {
$myscripts .= '</script>' . "\n";
} else {
JFactory::getDocument()->addScriptDeclaration($myscripts);
}
}
// Include LESS files
if (!empty(AkeebaStrapper::$lessURLs)) {
foreach (AkeebaStrapper::$lessURLs as $entry) {
list($lessFile, $altFiles) = $entry;
$url = FOFTemplateUtils::addLESS($lessFile, $altFiles, true);
if (version_compare(JVERSION, '3.0', 'lt') && $preload) {
if (empty($url)) {
if (!is_array($altFiles) && empty($altFiles)) {
$altFiles = array($altFiles);
}
if (!empty($altFiles)) {
foreach ($altFiles as $altFile) {
$url = FOFTemplateUtils::parsePath($altFile);
$myscripts .= '<link type="text/css" rel="stylesheet" href="' . $url . $tag . '" />' . "\n";
}
}
} else {
$myscripts .= '<link type="text/css" rel="stylesheet" href="' . $url . $tag . '" />' . "\n";
}
} else {
if (empty($url)) {
if (!is_array($altFiles) && empty($altFiles)) {
$altFiles = array($altFiles);
}
if (!empty($altFiles)) {
foreach ($altFiles as $altFile) {
$url = FOFTemplateUtils::parsePath($altFile);
JFactory::getDocument()->addStyleSheet($url . $tag);
}
}
} else {
JFactory::getDocument()->addStyleSheet($url . $tag);
}
}
}
}
// Include CSS files
if (!empty(AkeebaStrapper::$cssURLs)) {
foreach (AkeebaStrapper::$cssURLs as $url) {
if (version_compare(JVERSION, '3.0', 'lt') && $preload) {
$myscripts .= '<link type="text/css" rel="stylesheet" href="' . $url . $tag . '" />' . "\n";
} else {
JFactory::getDocument()->addStyleSheet($url . $tag);
}
}
}
// Include style definitions
if (!empty(AkeebaStrapper::$cssDefs)) {
$myscripts .= '<style type="text/css">' . "\n";
foreach (AkeebaStrapper::$cssDefs as $def) {
if (version_compare(JVERSION, '3.0', 'lt') && $preload) {
$myscripts .= $def . "\n";
} else {
JFactory::getDocument()->addScriptDeclaration($def . "\n");
}
}
$myscripts .= '</style>' . "\n";
}
if (version_compare(JVERSION, '3.0', 'lt') && $preload) {
$pos = strpos($buffer, "<head>");
if ($pos > 0) {
$buffer = substr($buffer, 0, $pos + 6) . $myscripts . substr($buffer, $pos + 6);
JResponse::setBody($buffer);
}
}
}
