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<?php
/**
*----------------------------------------------------------------------------
* iCagenda Events Management Extension for Joomla!
*----------------------------------------------------------------------------
* @version 3.6.0 2015-10-13
*
* @package iCagenda.Admin
* @subpackage Utilities
* @link https://www.icagenda.com
*
* @author Cyril Rezé
* @copyright (c) 2012-2024 Jooml!C / Cyril Rezé. All rights reserved.
* @license GNU General Public License version 3 or later; see LICENSE.txt
*
* @since 3.6.0
*----------------------------------------------------------------------------
*/
defined('_JEXEC') or die;
/**
* CSS @media class for iCagenda
*
* @since 3.3.0
*/
class icagendaThemeStyle
{
/**
* Builds the CSS to be bracketed by @media statements and then inserts it into the document header
*
* @param string $template The name of the theme
* @param string $type The source of the CSS to be added:
* 'component' - add the component part of the CSS
* 'module' - add the module part of the CSS
*
* @return void
*/
public static function addMediaCss($template='default', $type='component')
{
// Prepare the CSS
$css = self::getMediaCss($template, $type);
self::writeMediaCss($css);
}
/**
* Builds the CSS to be bracketed by @media statements from separate files
*
* @param string &$template The name of the theme
* @param string &$type The source of the CSS to be added:
* 'component' - add the component part of the CSS
* 'module' - add the module part of the CSS
*
* @return string CSS to be added to the page
*/
public static function getMediaCss(&$template, &$type)
{
/*
* Load the Theme Pack supplements for screen size variants
* This is based on the four screen sized defined by Bootstrap 3 (i.e. large, medium, small and extra small)
* The threshold values are defined in the component parameter set so that the component and any modules can
* use consistent values.
*/
jimport('joomla.application.component.helper');
$com_params = JComponentHelper::getParams('com_icagenda');
$media_css = '';
$max_threshold = 0;
$largethreshold = (int) $com_params->get('largewidththreshold', 0);
$mbString = extension_loaded('mbstring');
if ($largethreshold > 0)
{
$css_contents = @file_get_contents(
JPATH_ROOT . "/components/com_icagenda/themes/packs/$template/css/{$template}_{$type}_large.css");
$css = preg_replace('!/\*.*?\*/!s', '', $css_contents);
$size_css = $mbString ? mb_strlen($css) : strlen($css);
// if (is_string($css) && !empty($css) && ($size_css > 10))
// {
$media_css .= "\n@media screen and (min-width:{$largethreshold}px){\n{$css}\n}\n";
$max_threshold = $largethreshold - 1;
// }
}
$mediumthreshold = (int) $com_params->get('mediumwidththreshold', 0);
if ($mediumthreshold > 0)
{
$css_contents = @file_get_contents(
JPATH_ROOT . "/components/com_icagenda/themes/packs/$template/css/{$template}_{$type}_medium.css");
$css = preg_replace('!/\*.*?\*/!s', '', $css_contents);
$size_css = $mbString ? mb_strlen($css) : strlen($css);
// if (is_string($css) && !empty($css) && ($size_css > 10))
// {
$upper_limit = $max_threshold > 0 ? " and (max-width:{$max_threshold}px)" : '';
$media_css .= "\n@media screen and (min-width:{$mediumthreshold}px)$upper_limit{\n{$css}\n}\n";
$max_threshold = $mediumthreshold - 1;
// }
}
$smallthreshold = (int) $com_params->get('smallwidththreshold', 0);
if ($smallthreshold > 0)
{
$css_contents = @file_get_contents(
JPATH_ROOT . "/components/com_icagenda/themes/packs/$template/css/{$template}_{$type}_small.css");
$css = preg_replace('!/\*.*?\*/!s', '', $css_contents);
$size_css = $mbString ? mb_strlen($css) : strlen($css);
// if (is_string($css) && !empty($css) && ($size_css > 10))
// {
$upper_limit = $max_threshold > 0 ? " and (max-width:{$max_threshold}px)" : '';
$media_css .= "\n@media screen and (min-width:{$smallthreshold}px)$upper_limit{\n{$css}\n}\n";
$max_threshold = $smallthreshold - 1;
// }
$css_contents = @file_get_contents(
JPATH_ROOT . "/components/com_icagenda/themes/packs/$template/css/{$template}_{$type}_xsmall.css");
$css = preg_replace('!/\*.*?\*/!s', '', $css_contents);
$size_css = $mbString ? mb_strlen($css) : strlen($css);
// if (is_string($css) && !empty($css) && ($size_css > 10))
// {
$smallthreshold--;
$media_css .= "\n@media screen and (max-width:{$smallthreshold}px){\n{$css}\n}\n";
// }
}
return $media_css;
}
/**
* Write the CSS to the document header
*
* @param string &$css The CSS to be written to the document
*
* @return void
*/
public static function writeMediaCss(&$css)
{
if (!empty($css))
{
$document = JFactory::getDocument();
$document->addStyleDeclaration($css);
}
}
}