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<?php
/**
* Akeeba Strapper
* A handy distribution of namespaced jQuery, jQuery UI and Twitter
* Bootstrapper for use with Akeeba components.
*/
defined('_JEXEC') or die();
if (!defined('FOF_INCLUDED')) {
if (version_compare(phpversion(), "5.3") == -1) {
include_once JPATH_SITE . '/libraries/fof/template/utils.php';
include_once JPATH_SITE . '/libraries/fof/dispatcher/dispatcher.php';
}
include_once JPATH_SITE . '/libraries/fof/include.php';
}
class TjAkeebaStrapper
{
/** @var bool True when jQuery is already included */
public static $_includedJQuery = false;
/** @var bool True when jQuery UI is already included */
public static $_includedJQueryUI = false;
/** @var bool True when Bootstrap is already included */
public static $_includedBootstrap = false;
/** @var array List of URLs to Javascript files */
public static $scriptURLs = array();
/** @var array List of script definitions to include in the head */
public static $scriptDefs = array();
/** @var array List of URLs to CSS files */
public static $cssURLs = array();
/** @var array List of URLs to LESS files */
public static $lessURLs = array();
/** @var array List of CSS definitions to include in the head */
public static $cssDefs = array();
/** @var string The jQuery UI theme to use, default is 'smoothness' */
protected static $jqUItheme = 'smoothness';
/** @var string A query tag to append to CSS and JS files for versioning purposes */
public static $tag = null;
/**
* Is this something running under the CLI mode?
* @staticvar bool|null $isCli
* @return null
*/
public static function isCli()
{
static $isCli = null;
if (is_null($isCli)) {
try {
if (is_null(JFactory::$application)) {
$isCli = true;
} else {
$isCli = version_compare(JVERSION, '1.6.0', 'ge') ? (JFactory::getApplication() instanceof JException) : false;
}
} catch (Exception $e) {
$isCli = true;
}
}
return $isCli;
}
public static function getPreference($key, $default = null)
{
static $config = null;
if (is_null($config)) {
// Load a configuration INI file which controls which files should be skipped
$iniFile = FOFTemplateUtils::parsePath('media://techjoomla_strapper/strapper.ini', true);
$config = parse_ini_file($iniFile);
}
if (!array_key_exists($key, $config)) {
$config[$key] = $default;
}
return $config[$key];
}
/**
* Loads our namespaced jQuery, accessible through akeeba.jQuery
*/
public static function jQuery()
{
if (self::isCli()) {
return;
}
$jQueryLoad = self::getPreference('jquery_load', 'auto');
if (!in_array($jQueryLoad, array('auto', 'full', 'namespace', 'none'))) {
$jQueryLoad = 'auto';
}
self::$_includedJQuery = true;
if ($jQueryLoad == 'none') {
return;
} elseif ($jQueryLoad == 'auto') {
if (version_compare(JVERSION, '3.0', 'gt')) {
$jQueryLoad = 'namespace';
JHtml::_('jquery.framework');
} else {
$jQueryLoad = 'full';
}
}
if ($jQueryLoad == 'full') {
// Joomla! 2.5 and earlier, load our own library
self::$scriptURLs[] = FOFTemplateUtils::parsePath('media://techjoomla_strapper/js/akeebajq.js');
} else {
self::$scriptURLs[] = FOFTemplateUtils::parsePath('media://techjoomla_strapper/js/namespace.js');
}
}
/**
* Sets the jQuery UI theme to use. It must be the name of a subdirectory of
* media/techjoomla_strapper/css or templates/<yourtemplate>/media/techjoomla_strapper/css
*
* @param $theme string The name of the subdirectory holding the theme
*/
public static function setjQueryUItheme($theme)
{
if (self::isCli()) {
return;
}
self::$jqUItheme = $theme;
}
/**
* Loads our namespaced jQuery UI and its stylesheet
*/
public static function jQueryUI()
{
if (self::isCli()) {
return;
}
if (!self::$_includedJQuery) {
self::jQuery();
}
self::$_includedJQueryUI = true;
$jQueryUILoad = self::getPreference('jqueryui_load', 1);
if (!$jQueryUILoad) {
return;
}
$theme = self::getPreference('jquery_theme', self::$jqUItheme);
$url = FOFTemplateUtils::parsePath('media://techjoomla_strapper/js/akeebajqui.js');
self::$scriptURLs[] = $url;
self::$cssURLs[] = FOFTemplateUtils::parsePath("media://techjoomla_strapper/css/$theme/theme.css");
}
/**
* Loads our namespaced Twitter Bootstrap. You have to wrap the output you want style
* with an element having the class akeeba-bootstrap added to it.
*/
public static function bootstrap()
{
if (self::isCli()) {
return;
}
if (version_compare(JVERSION, '3.0', 'gt')) {
$key = 'joomla3';
$default = 'lite';
} else {
$key = 'joomla2';
$default = 'full';
}
$loadBootstrap = self::getPreference('bootstrap_' . $key, $default);
if (!in_array($loadBootstrap, array('full', 'lite', 'none'))) {
if ($key == 'joomla3') {
$loadBootstrap = 'lite';
} else {
$loadBootstrap = 'full';
}
}
if (($key == 'joomla3') && ($loadBootstrap == 'lite')) {
// Use Joomla!'s Javascript
JHtml::_('bootstrap.framework');
}
if (!self::$_includedJQuery) {
self::jQuery();
}
if ($loadBootstrap == 'none') {
return;
}
self::$_includedBootstrap = true;
$source = self::getPreference('bootstrap_source', 'css');
if (!in_array($source, array('css', 'less'))) {
$source = 'css';
}
$altCss = array('media://techjoomla_strapper/css/strapper.css');
if ($loadBootstrap == 'full') {
array_unshift($altCss, 'media://techjoomla_strapper/css/bootstrap.min.css');
array_unshift($altCss, 'media://techjoomla_strapper/css/bootstrap-responsive.min.css'); /*added by manoj*/
self::$scriptURLs[] = FOFTemplateUtils::parsePath('media://techjoomla_strapper/js/bootstrap.min.js');
if ($source == 'less') {
self::$lessURLs[] = array('media://techjoomla_strapper/less/bootstrap.j25.less', $altCss);
}
} else {
array_unshift($altCss, 'media://techjoomla_strapper/css/bootstrap.j3.css');
if ($source == 'less') {
self::$lessURLs[] = array('media://techjoomla_strapper/less/bootstrap.j3.less', $altCss);
}
}
if ($source == 'css') {
foreach ($altCss as $css) {
self::$cssURLs[] = FOFTemplateUtils::parsePath($css);
}
}
}
/**
* Adds an arbitraty Javascript file.
*
* @param $path string The path to the file, in the format media://path/to/file
*/
public static function addJSfile($path)
{
if (self::isCli()) {
return;
}
self::$scriptURLs[] = FOFTemplateUtils::parsePath($path);
}
/**
* Add inline Javascript
*
* @param $script string Raw inline Javascript
*/
public static function addJSdef($script)
{
if (self::isCli()) {
return;
}
self::$scriptDefs[] = $script;
}
/**
* Adds an arbitraty CSS file.
*
* @param $path string The path to the file, in the format media://path/to/file
*/
public static function addCSSfile($path)
{
if (self::isCli()) {
return;
}
self::$cssURLs[] = FOFTemplateUtils::parsePath($path);
}
/**
* Adds an arbitraty LESS file.
*
* @param $path string The path to the file, in the format media://path/to/file
* @param $altPaths string|array The path to the alternate CSS files, in the format media://path/to/file
*/
public static function addLESSfile($path, $altPaths = null)
{
if (self::isCli()) {
return;
}
self::$lessURLs[] = array($path, $altPaths);
}
/**
* Add inline CSS
*
* @param $style string Raw inline CSS
*/
public static function addCSSdef($style)
{
if (self::isCli()) {
return;
}
self::$cssDefs[] = $style;
}
}
/**
* This is a workaround which ensures that Akeeba's namespaced JavaScript and CSS will be loaded
* wihtout being tampered with by any system pluign. Moreover, since we are loading first, we can
* be pretty sure that namespacing *will* work and we won't cause any incompatibilities with third
* party extensions loading different versions of these GUI libraries.
*
* This code works by registering a system plugin hook :) It will grab the HTML and drop its own
* JS and CSS definitions in the head of the script, before anything else has the chance to run.
*
* Peace.
*/
function TjAkeebaStrapperLoader()
{
// If there are no script defs, just go to sleep
if (
empty(TjAkeebaStrapper::$scriptURLs) &&
empty(TjAkeebaStrapper::$scriptDefs) &&
empty(TjAkeebaStrapper::$cssDefs) &&
empty(TjAkeebaStrapper::$cssURLs) &&
empty(TjAkeebaStrapper::$lessURLs)
) {
return;
}
// Get the query tag
$tag = TjAkeebaStrapper::$tag;
if (empty($tag)) {
$tag = '';
} else {
$tag = '?' . ltrim($tag, '?');
}
$myscripts = '';
$preload = (bool)TjAkeebaStrapper::getPreference('preload_joomla2', 1);
if (version_compare(JVERSION, '3.0', 'lt') && $preload) {
$buffer = JResponse::getBody();
} else {
$preload = false;
}
// Include Javascript files
if (!empty(TjAkeebaStrapper::$scriptURLs))
foreach (TjAkeebaStrapper::$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 . $tag);
}
}
// Include Javscript snippets
if (!empty(TjAkeebaStrapper::$scriptDefs)) {
if (version_compare(JVERSION, '3.0', 'lt') && $preload) {
$myscripts .= '<script type="text/javascript" language="javascript">' . "\n";
} else {
$myscripts = '';
}
foreach (TjAkeebaStrapper::$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(TjAkeebaStrapper::$lessURLs)) {
foreach (TjAkeebaStrapper::$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 . $tag);
}
}
}
}
// Include CSS files
if (!empty(TjAkeebaStrapper::$cssURLs))
foreach (TjAkeebaStrapper::$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 . $tag);
}
}
// Include style definitions
if (!empty(TjAkeebaStrapper::$cssDefs)) {
$myscripts .= '<style type="text/css">' . "\n";
foreach (TjAkeebaStrapper::$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);
}
}
}
// Add our pseudo-plugin to the application event queue
if (!TjAkeebaStrapper::isCli()) {
$preload = (bool)TjAkeebaStrapper::getPreference('preload_joomla2', 1);
$app = JFactory::getApplication();
if (version_compare(JVERSION, '3.0', 'lt') && $preload) {
$app->registerEvent('onAfterRender', 'TjAkeebaStrapperLoader');
} else {
$app->registerEvent('onBeforeRender', 'TjAkeebaStrapperLoader');
}
}