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<?php
/**
* @package FOF
* @copyright Copyright (c)2010-2022 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU General Public License version 3, or later
*/
namespace FOF40\Template;
defined('_JEXEC') || die;
use FOF40\Container\Container;
use Joomla\CMS\Document\Document;
use Joomla\CMS\Helper\ModuleHelper;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Router\Route;
use Joomla\CMS\Uri\Uri;
use stdClass;
/**
* A utility class to load view templates, media files and modules.
*
* @since 1.0
*/
class Template
{
/**
* The component container
*
* @var Container
*/
protected $container;
/**
* Public constructor
*
* @param Container $container The component container
*/
function __construct(Container $container)
{
$this->container = $container;
}
/**
* Add a CSS file to the page generated by the CMS
*
* @param string $uri A path definition understood by parsePath, e.g. media://com_example/css/foo.css
* @param string|null $version (optional) Version string to be added to the URL
* @param string $type MIME type of the stylesheeet
* @param string $media Media target definition of the style sheet, e.g. "screen"
* @param array $attribs Array of attributes
*
* @see self::parsePath
*
* @return void
*/
public function addCSS(string $uri, ?string $version = null, string $type = 'text/css', ?string $media = null, array $attribs = []): void
{
if ($this->container->platform->isCli())
{
return;
}
// Make sure we have attributes
if (empty($attribs) || !is_array($attribs))
{
$attribs = [];
}
$url = $this->parsePath($uri);
$document = $this->container->platform->getDocument();
$options = [
'version' => is_null($version) ? null : ((string) $version),
];
$attribs['type'] = $type;
if (!empty($media))
{
$attribs['media'] = $media;
}
$document->addStyleSheet($url, $options, $attribs);
}
/**
* Add a JS script file to the page generated by the CMS.
*
* There are three combinations of defer and async (see http://www.w3schools.com/tags/att_script_defer.asp):
* * $defer false, $async true: The script is executed asynchronously with the rest of the page
* (the script will be executed while the page continues the parsing)
* * $defer true, $async false: The script is executed when the page has finished parsing.
* * $defer false, $async false. (default) The script is loaded and executed immediately. When it finishes
* loading the browser continues parsing the rest of the page.
*
* When you are using $async = true there is no guarantee about the load order of the scripts. Whichever
* script loads first will be executed first. The order they appear on the page is completely irrelevant.
*
* If you set both async and defer to true it's the same as setting only async to true. That is to say, scripts will
* be loaded and executed in an order that is NOT guaranteed. Only set async for completely standalone scripts.
*
* If you are using defer you should pass script options using $this->container->platform->addScriptOptions(). This
* will add the script options as a JSON document in the document head. You can retrieve these options client-side
* with Joomla.getOptions() as long as the Joomla core JS has already been loaded, i.e. your deferred script is
* added AFTER Joomla's core code.
*
* @param string $uri A path definition understood by parsePath, e.g. media://com_example/js/foo.js
* @param boolean $defer Adds the defer attribute, see above
* @param boolean $async Adds the async attribute, see above
* @param string|null $version (optional) Version string to be added to the URL
* @param string $type MIME type of the script
*
* @see self::parsePath
*
* @return void
*/
public function addJS(string $uri, bool $defer = false, bool $async = false, ?string $version = null, string $type = 'text/javascript'): void
{
if ($this->container->platform->isCli())
{
return;
}
$url = $this->container->template->parsePath($uri);
$document = $this->container->platform->getDocument();
// Setting both defer and async is nonsense. Only async makes sense in this case.
if ($defer && $async)
{
$defer = false;
}
$options = [
'version' => is_null($version) ? null : ((string) $version),
];
$attribs['defer'] = $defer;
$attribs['async'] = $async;
if (!empty($media))
{
$attribs['mime'] = $type;
}
$document->addScript($url, $options, $attribs);
}
/**
* Adds an inline JavaScript script to the page header
*
* @param string $script The script content to add
* @param string $type The MIME type of the script
*/
public function addJSInline(string $script, string $type = 'text/javascript'): void
{
if ($this->container->platform->isCli())
{
return;
}
$document = $this->container->platform->getDocument();
if (!method_exists($document, 'addScriptDeclaration'))
{
return;
}
$document->addScriptDeclaration($script, $type);
}
/**
* Adds an inline stylesheet (inline CSS) to the page header
*
* @param string $css The stylesheet content to add
* @param string $type The MIME type of the script
*/
public function addCSSInline(string $css, string $type = 'text/css'): void
{
if ($this->container->platform->isCli())
{
return;
}
$document = $this->container->platform->getDocument();
if (!method_exists($document, 'addStyleDeclaration'))
{
return;
}
$document->addStyleDeclaration($css, $type);
}
/**
* Creates a SEF compatible sort header. Standard Joomla function will add a href="#" tag, so with SEF
* enabled, the browser will follow the fake link instead of processing the onSubmit event; so we
* need a fix.
*
* @param string $text Header text
* @param string $field Field used for sorting
* @param stdClass $list Object holding the direction and the ordering field
*
* @return string HTML code for sorting
*/
public function sefSort(string $text, string $field, stdClass $list): string
{
$sort = HTMLHelper::_('grid.sort', Text::_(strtoupper($text)) . ' ', $field, $list->order_Dir, $list->order);
return str_replace('href="#"', 'href="javascript:void(0);"', $sort);
}
/**
* Parse a fancy path definition into a path relative to the site's root,
* respecting template overrides, suitable for inclusion of media files.
* For example, media://com_foobar/css/test.css is parsed into
* media/com_foobar/css/test.css if no override is found, or
* templates/mytemplate/media/com_foobar/css/test.css if the current
* template is called mytemplate and there's a media override for it.
*
* Regarding plugins, templates are searched inside the plugin's tmpl directory and the template's html directory.
* For instance considering plugin://system/example/something the files will be looked for in:
* plugins/system/example/tmpl/something.php
* templates/yourTemplate/html/plg_system_example/something.php
* Template paths for plugins are uncommon and not standard Joomla! practice. They make sense when you are
* implementing features of your component as plugins and they need to provide HTML output, e.g. some of the
* integration plugins we use in Akeeba Subscriptions.
*
* The valid protocols are:
*
* media:// The media directory or a media override
* plugin:// Given as plugin://pluginType/pluginName/template, e.g. plugin://system/example/something
* admin:// Path relative to administrator directory (no overrides)
* site:// Path relative to site's root (no overrides)
* auto:// Automatically guess if it should be site:// or admin://
* module:// The module directory or a template override (must be module://moduleName/templateName)
*
* @param string $path Fancy path
* @param boolean $localFile When true, it returns the local path, not the URL
*
* @return string Parsed path
*
* @see self::getAltPaths
*
*/
public function parsePath(string $path, bool $localFile = false): string
{
$separatorPosition = strpos($path, '://');
if ($separatorPosition === false)
{
return $path;
}
$protocol = substr($path, 0, $separatorPosition);
switch ($protocol)
{
case 'media':
case 'plugin':
case 'module':
case 'auto':
case 'admin':
case 'site':
break;
default:
return $path;
}
// Get the platform directories through the container
$platformDirs = $this->container->platform->getPlatformBaseDirs();
$url = $localFile ? (rtrim($platformDirs['root'], DIRECTORY_SEPARATOR) . '/') : $this->container->platform->URIroot();
$altPaths = $this->getAltPaths($path);
$filePath = $altPaths['normal'];
// If JDEBUG is enabled, prefer the debug path, else prefer an alternate path if present
if (defined('JDEBUG') && JDEBUG && isset($altPaths['debug']))
{
if (file_exists($platformDirs['public'] . '/' . $altPaths['debug']))
{
$filePath = $altPaths['debug'];
}
}
elseif (isset($altPaths['alternate']))
{
if (file_exists($platformDirs['public'] . '/' . $altPaths['alternate']))
{
$filePath = $altPaths['alternate'];
}
}
return $url . $filePath;
}
/**
* Parse a fancy path definition into a path relative to the site's root.
* It returns both the normal and alternative (template media override) path.
* For example, media://com_foobar/css/test.css is parsed into
* array(
* 'normal' => 'media/com_foobar/css/test.css',
* 'alternate' => 'templates/mytemplate/media/com_foobar/css//test.css'
* );
*
* The valid protocols are:
* media:// The media directory or a media override
* admin:// Path relative to administrator directory (no alternate)
* site:// Path relative to site's root (no alternate)
* auto:// Automatically guess if it should be site:// or admin://
* plugin:// The plugin directory or a template override (must be plugin://pluginType/pluginName/templateName)
* module:// The module directory or a template override (must be module://moduleName/templateName)
*
* @param string $path Fancy path
*
* @return array Array of normal and alternate parsed path
*/
public function getAltPaths(string $path): array
{
$protoAndPath = explode('://', $path, 2);
if (count($protoAndPath) < 2)
{
$protocol = 'media';
}
else
{
$protocol = $protoAndPath[0];
$path = $protoAndPath[1];
}
if ($protocol == 'auto')
{
$protocol = $this->container->platform->isBackend() ? 'admin' : 'site';
}
$path = ltrim($path, '/' . DIRECTORY_SEPARATOR);
switch ($protocol)
{
case 'media':
// Do we have a media override in the template?
$pathAndParams = explode('?', $path, 2);
$ret = [
'normal' => 'media/' . $pathAndParams[0],
'alternate' => $this->container->platform->getTemplateOverridePath('media:/' . $pathAndParams[0], false),
];
break;
case 'plugin':
// The path is pluginType/pluginName/viewTemplate
$pathInfo = explode('/', $path);
$pluginType = $pathInfo[0] ?? 'system';
$pluginName = $pathInfo[1] ?? 'foobar';
$viewTemplate = $pathInfo[2] ?? 'default';
$pluginSystemName = 'plg_' . $pluginType . '_' . $pluginName;
$ret = [
'normal' => 'plugins/' . $pluginType . '/' . $pluginName . '/tmpl/' . $viewTemplate,
'alternate' => $this->container->platform->getTemplateOverridePath($pluginSystemName . '/' . $viewTemplate, false),
];
break;
case 'module':
// The path is moduleName/viewTemplate
$pathInfo = explode('/', $path, 2);
$moduleName = $pathInfo[0] ?? 'foobar';
$viewTemplate = $pathInfo[1] ?? 'default';
$moduleSystemName = 'mod_' . $moduleName;
$basePath = $this->container->platform->isBackend() ? 'administrator/' : '';
$ret = [
'normal' => $basePath . 'modules/' . $moduleSystemName . '/tmpl/' . $viewTemplate,
'alternate' => $this->container->platform->getTemplateOverridePath($moduleSystemName . '/' . $viewTemplate, false),
];
break;
case 'admin':
$ret = [
'normal' => 'administrator/' . $path,
];
break;
default:
case 'site':
$ret = [
'normal' => $path,
];
break;
}
// For CSS and JS files, add a debug path if the supplied file is compressed
$filesystem = $this->container->filesystem;
$ext = $filesystem->getExt($ret['normal']);
if (in_array($ext, ['css', 'js']))
{
$file = basename($filesystem->stripExt($ret['normal']));
/*
* Detect if we received a file in the format name.min.ext
* If so, strip the .min part out, otherwise append -uncompressed
*/
if (strlen($file) > 4 && strrpos($file, '.min', '-4'))
{
$position = strrpos($file, '.min', '-4');
$filename = str_replace('.min', '.', $file, $position) . $ext;
}
else
{
$filename = $file . '-uncompressed.' . $ext;
}
// Clone the $ret array so we can manipulate the 'normal' path a bit
$t1 = (object) $ret;
$temp = clone $t1;
unset($t1);
$temp = (array) $temp;
$normalPath = explode('/', $temp['normal']);
array_pop($normalPath);
$normalPath[] = $filename;
$ret['debug'] = implode('/', $normalPath);
}
return $ret;
}
/**
* Returns the contents of a module position
*
* @param string $position The position name, e.g. "position-1"
* @param int $style Rendering style, see ModuleRenderer::render
*
* @return string The contents of the module position
*/
public function loadPosition(string $position, int $style = -2): string
{
$document = $this->container->platform->getDocument();
if (!($document instanceof Document))
{
return '';
}
if (!method_exists($document, 'loadRenderer'))
{
return '';
}
try
{
$renderer = $document->loadRenderer('module');
}
catch (\Exception $exc)
{
return '';
}
$params = ['style' => $style];
$contents = '';
foreach (ModuleHelper::getModules($position) as $mod)
{
$contents .= $renderer->render($mod, $params);
}
return $contents;
}
/**
* Render a module by name
*
* @param string $moduleName The name of the module (real, eg 'Breadcrumbs' or folder, eg 'mod_breadcrumbs')
* @param int $style The rendering style, see ModuleRenderer::render
*
* @return string The rendered module
*/
public function loadModule(string $moduleName, int $style = -2): string
{
$document = $this->container->platform->getDocument();
if (!($document instanceof Document))
{
return '';
}
if (!method_exists($document, 'loadRenderer'))
{
return '';
}
try
{
$renderer = $document->loadRenderer('module');
}
catch (\Exception $exc)
{
return '';
}
$params = ['style' => $style];
$mod = ModuleHelper::getModule($moduleName);
if (empty($mod))
{
return '';
}
return $renderer->render($mod, $params);
}
/**
* Performs SEF routing on a non-SEF URL, returning the SEF URL.
*
* When the $merge option is set to true the option, view, layout and format parameters of the current URL and the
* requested route will be merged. For example, assuming that current url is
* http://example.com/index.php?option=com_foo&view=cpanel
* then
* $template->route('view=categories&layout=tree');
* will result to
* http://example.com/index.php?option=com_foo&view=categories&layout=tree
*
* If $merge is unspecified (null) we will auto-detect the intended behavior. If you haven't specified option and
* one of view or task we will merge. Otherwise no merging takes place. This covers most use cases of FOF 3.0.
*
* @param string $route The parameters string
* @param bool $merge Should I perform parameter merging?
*
* @return string The human readable, complete url
*/
public function route(string $route = '', bool $merge = null): string
{
$route = trim($route);
/**
* Backwards compatibility with FOF 3.0: if the merge option is unspecified we will auto-detect the behaviour.
* If option and either one of view or task are present we won't merge.
*/
if (is_null($merge))
{
$hasOption = (strpos($route, 'option=') !== false);
$hasView = (strpos($route, 'view=') !== false);
$hasTask = (strpos($route, 'task=') !== false);
$merge = !($hasOption && ($hasView || $hasTask));
}
if ($merge)
{
// Handle special cases before trying to merge
if ($route == 'index.php' || $route == 'index.php?')
{
$result = 'index.php';
}
elseif (substr($route, 0, 1) == '&')
{
$url = Uri::getInstance();
$vars = [];
parse_str($route, $vars);
$url->setQuery(array_merge($url->getQuery(true), $vars));
$result = 'index.php?' . $url->getQuery();
}
else
{
$url = Uri::getInstance();
$props = $url->getQuery(true);
// Strip 'index.php?'
if (substr($route, 0, 10) == 'index.php?')
{
$route = substr($route, 10);
}
// Parse route
$parts = [];
parse_str($route, $parts);
$result = [];
// Check to see if there is component information in the route if not add it
if (!isset($parts['option']) && isset($props['option']))
{
$result[] = 'option=' . $props['option'];
}
// Add the layout information to the route only if it's not 'default'
if (!isset($parts['view']) && isset($props['view']))
{
$result[] = 'view=' . $props['view'];
if (!isset($parts['layout']) && isset($props['layout']))
{
$result[] = 'layout=' . $props['layout'];
}
}
// Add the format information to the URL only if it's not 'html'
if (!isset($parts['format']) && isset($props['format']) && $props['format'] != 'html')
{
$result[] = 'format=' . $props['format'];
}
// Reconstruct the route
if (!empty($route))
{
$result[] = $route;
}
$result = 'index.php?' . implode('&', $result);
}
}
else
{
$result = $route;
}
return Route::_($result);
}
}