/**
* Update head - detect if devmode or themermode is enabled and less file existed, use less file instead of css
* We also detect and update jQuery, Bootstrap to use CANVAS assets
*
* @return null
*/
function updateHead()
{
//state parameters
$devmode = $this->getParam('devmode', 0);
$themermode = $this->getParam('themermode', 1) && defined('CANVAS_THEMER');
$theme = $this->getParam('theme', '');
$minify = $this->getParam('minify', 0);
$minifyjs = $this->getParam('minify_js', 0);
// As Joomla 3.0 bootstrap is buggy, we will not use it
// We also prevent both Joomla bootstrap and CANVAS bootsrap are loaded
// And upgrade jquery as our Framework require jquery 1.7+ if we are loading jquery from google
$doc = JFactory::getDocument();
$scripts = array();
if (version_compare(JVERSION, '3.0', 'ge')) {
$canvasbootstrap = false;
$jabootstrap = false;
foreach ($doc->_scripts as $url => $script) {
if (strpos($url, CANVAS_URL . '/bootstrap/js/bootstrap.js') !== false) {
$canvasbootstrap = true;
if ($jabootstrap) {
//we already have the Joomla bootstrap and we also replace to CANVAS bootstrap
continue;
}
}
if (preg_match('@media/jui/js/bootstrap(.min)?.js@', $url)) {
if ($canvasbootstrap) {
//we have CANVAS bootstrap, no need to add Joomla bootstrap
continue;
} else {
$scripts[CANVAS_URL . '/bootstrap/js/bootstrap.js'] = $script;
}
$jabootstrap = true;
} else {
$scripts[$url] = $script;
}
}
$doc->_scripts = $scripts;
$scripts = array();
}
// VIRTUE MART / JSHOPPING compatible
foreach ($doc->_scripts as $url => $script) {
$replace = false;
if (strpos($url, '//ajax.googleapis.com/ajax/libs/jquery/') !== false && preg_match_all('@/jquery/(\\d+(\\.\\d+)*)?/@msU', $url, $jqver) || preg_match_all('@(^|\\/)jquery([-_]*(\\d+(\\.\\d+)+))?(\\.min)?\\.js@i', $url, $jqver)) {
$idx = strpos($url, '//ajax.googleapis.com/ajax/libs/jquery/') !== false ? 1 : 3;
if (is_array($jqver) && isset($jqver[$idx]) && isset($jqver[$idx][0])) {
$jqver = explode('.', $jqver[$idx][0]);
if (isset($jqver[0]) && (int) $jqver[0] <= 1 && isset($jqver[1]) && (int) $jqver[1] < 7) {
$scripts[CANVAS_URL . '/js/jquery-1.8.3' . ($devmode ? '' : '.min') . '.js'] = $script;
$replace = true;
}
}
}
if (!$replace) {
$scripts[$url] = $script;
}
}
$doc->_scripts = $scripts;
// end update javascript
// detect RTL
$dir = $doc->direction;
$is_rtl = $dir == 'rtl';
//Update css/less based on devmode and themermode
$root = JURI::root(true);
$current = JURI::current();
$regex = '@' . preg_quote(CANVAS_TEMPLATE_REL) . '/css/(rtl/)?(.*)\\.css((\\?|\\#).*)?$@i';
$stylesheets = array();
foreach ($doc->_styleSheets as $url => $css) {
// detect if this css in template css
if (preg_match($regex, $url, $match)) {
$fname = $match[2];
if (($devmode || $themermode) && is_file(CANVAS_TEMPLATE_PATH . '/less/' . $fname . '.less')) {
if ($themermode) {
$newurl = CANVAS_TEMPLATE_URL . '/less/' . $fname . '.less';
$css['mime'] = 'text/less';
} else {
CANVAS::import('core/less');
$newurl = CANVASLess::buildCss(CANVASPath::cleanPath('templates/' . CANVAS_TEMPLATE . '/less/' . $fname . '.less'), true);
}
$stylesheets[$newurl] = $css;
} else {
$uri = null;
// detect css available base on direction & theme
if ($is_rtl && $theme) {
$uri = CANVASPath::getUrl('css/rtl/themes' . $theme . '/' . $fname . '.css');
}
if (!$uri && $is_rtl) {
$uri = CANVASPath::getUrl('css/rtl/' . $fname . '.css');
}
if (!$uri && $theme) {
$uri = CANVASPath::getUrl('css/themes/' . $theme . '/' . $fname . '.css');
}
if (!$uri) {
$uri = CANVASPath::getUrl('css/' . $fname . '.css');
}
if ($uri) {
$stylesheets[$uri] = $css;
}
}
continue;
}
$stylesheets[$url] = $css;
}
// update back
$doc->_styleSheets = $stylesheets;
//only check for minify if devmode is disabled
if (!$devmode && ($minify || $minifyjs)) {
CANVAS::import('core/minify');
if ($minify) {
CANVASMinify::optimizecss($this);
}
if ($minifyjs) {
CANVASMinify::optimizejs($this);
}
}
}
public static function cb_import_path($match)
{
$f = $match[1];
$newf = CANVASPath::cleanPath(self::$_path . $f);
return str_replace($f, $newf, $match[0]);
}
public static function addAssets()
{
$japp = JFactory::getApplication();
$user = JFactory::getUser();
//do nothing when site is offline and user has not login (the offline page is only show login form)
if ($japp->getCfg('offline') && !$user->authorise('core.login.offline')) {
return;
}
$jdoc = JFactory::getDocument();
$params = $japp->getTemplate(true)->params;
if (defined('CANVAS_THEMER') && $params->get('themermode', 1)) {
$jdoc->addStyleSheet(CANVAS_URL . '/css/thememagic.css');
$jdoc->addScript(CANVAS_URL . '/js/thememagic.js');
$theme = $params->get('theme');
$params = new JRegistry();
$themeinfo = new stdClass();
if ($theme) {
$themepath = CANVAS_TEMPLATE_PATH . '/less/themes/' . $theme;
if (file_exists($themepath . '/variables-custom.less')) {
if (!class_exists('JRegistryFormatLESS')) {
include_once CANVAS_ADMIN_PATH . '/includes/format/less.php';
}
//default variables
$varfile = CANVAS_TEMPLATE_PATH . '/less/variables.less';
if (file_exists($varfile)) {
$params->loadString(JFile::read($varfile), 'LESS');
//get all less files in "theme" folder
$others = JFolder::files($themepath, '.less');
foreach ($others as $other) {
//get those developer custom values
if ($other == 'variables.less') {
$devparams = new JRegistry();
$devparams->loadString(JFile::read($themepath . '/variables.less'), 'LESS');
//overwrite the default variables
foreach ($devparams->toArray() as $key => $value) {
$params->set($key, $value);
}
}
//ok, we will import it later
if ($other != 'variables-custom.less' && $other != 'variables.less') {
$themeinfo->{$other} = true;
}
}
//load custom variables
$cparams = new JRegistry();
$cparams->loadString(JFile::read($themepath . '/variables-custom.less'), 'LESS');
//and overwrite those defaults variables
foreach ($cparams->toArray() as $key => $value) {
$params->set($key, $value);
}
}
}
}
$cache = array();
// a little security
if ($user->authorise('core.manage', 'com_templates') || isset($_SERVER['HTTP_REFERER']) && strpos($_SERVER['HTTP_REFERER'], JUri::base() . 'administrator') !== false) {
CANVAS::import('core/path');
$baseurl = JUri::base();
//should we provide a list of less path
foreach (array(CANVAS_TEMPLATE_PATH . '/less', CANVAS_PATH . '/bootstrap/less', CANVAS_PATH . '/less') as $lesspath) {
if (is_dir($lesspath)) {
$lessfiles = JFolder::files($lesspath, '.less', true, true);
if (is_array($lessfiles)) {
foreach ($lessfiles as $less) {
$path = ltrim(str_replace(array(JPATH_ROOT, '\\'), array('', '/'), $less), '/');
$path = CANVASPath::cleanPath($path);
$fullurl = $baseurl . preg_replace('@(\\+)|(/+)@', '/', $path);
$cache[$fullurl] = JFile::read($less);
}
}
}
}
}
//workaround for bootstrap icon path
$sparams = new JRegistry();
if (defined('CANVAS_BASE_RSP_IN_CLASS') && CANVAS_BASE_RSP_IN_CLASS) {
$sparams->set('icon-font-path', '"' . JUri::base() . 'plugins/system/canvas/base-bs3/bootstrap/fonts/"');
}
$jdoc->addScriptDeclaration('
var CANVASTheme = window.CANVASTheme || {};
CANVASTheme.vars = ' . json_encode($params->toArray()) . ';
CANVASTheme.svars = ' . json_encode($sparams->toArray()) . ';
CANVASTheme.others = ' . json_encode($themeinfo) . ';
CANVASTheme.theme = \'' . $theme . '\';
CANVASTheme.template = \'' . CANVAS_TEMPLATE . '\';
CANVASTheme.base = \'' . JURI::base() . '\';
CANVASTheme.cache = ' . json_encode($cache) . ';
if(typeof less != \'undefined\'){
//we need to build one - cause the js will have unexpected behavior
try{
if(window.parent != window &&
window.parent.CANVASTheme &&
window.parent.CANVASTheme.applyLess){
window.parent.CANVASTheme.applyLess(true);
} else {
less.refresh();
}
} catch(e){
}
}');
}
}
