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lib.php
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<?php
/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
This plugin is part of Archaius theme.
*/
/**
* Functions needed by the archaius theme should be put here.
* Any functions that get created here should ALWAYS contain the theme name
* to reduce complications for other theme designers who may be copying this
*theme.
* @package theme_archaius
* @copyright 2012 onwards Daniel Munera Sanchez {@link http://dmuneras.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*
*/
/* ARCHAIUS LIB
-----------------------------------------------------------------------------*/
/**
* Function to be called for CSS postprocess, this function replace all
* CSS tags for their values in the setting page.
* @param String $css
* @param Object $theme
* @return String $css - final CSS of the theme
*/
function theme_archaius_process_css($css, $theme) {
$customcss =
theme_archaius_check_css_setting($theme->settings->customcss);
$css =
theme_archaius_replace_tag_css(
$css,$customcss,'[[setting:customcss]]');
$themecolor =
theme_archaius_check_css_setting($theme->settings->themecolor);
$css =
theme_archaius_replace_tag_css(
$css,$themecolor,'[[setting:themecolor]]');
$bgcolor =
theme_archaius_check_css_setting($theme->settings->bgcolor);
$css =
theme_archaius_replace_tag_css(
$css,$bgcolor,'[[setting:bgcolor]]');
$page_header_text_color =
theme_archaius_check_css_setting($theme->settings->headertextcolor);
$css =
theme_archaius_replace_tag_css(
$css,$page_header_text_color,'[[setting:headertextcolor]]');
$page_footer_text_color =
theme_archaius_check_css_setting($theme->settings->footertextcolor);
$css =
theme_archaius_replace_tag_css(
$css,$page_footer_text_color,'[[setting:footertextcolor]]');
$headercolor =
theme_archaius_check_css_setting($theme->settings->headercolor);
$css =
theme_archaius_replace_tag_css(
$css,$headercolor,'[[setting:headercolor]]');
$currentcolor =
theme_archaius_check_css_setting($theme->settings->currentcolor);
$css =
theme_archaius_replace_tag_css(
$css,$currentcolor,'[[setting:currentcolor]]');
$currentcustommenucolor =
theme_archaius_check_css_setting(
$theme->settings->currentcustommenucolor);
$css =
theme_archaius_replace_tag_css(
$css,$currentcustommenucolor,'[[setting:currentcustommenucolor]]');
$custommenucolor =
theme_archaius_check_css_setting($theme->settings->custommenucolor);
$css =
theme_archaius_replace_tag_css(
$css,$custommenucolor,'[[setting:custommenucolor]]');
$slideshowheight =
theme_archaius_check_css_setting($theme->settings->slideshowheight);
$css = theme_archaius_set_slideshowheight($css,$slideshowheight);
$css = theme_archaius_set_css_font_replacement($css);
$css = theme_archaius_set_login_background_image($css);
$css = theme_archaius_set_login_box_width($css);
$langs = get_string_manager()->get_list_of_translations();
if(count($langs) > 1){
$css = theme_archaius_set_custommenu_last_child($css, 'right', '6%');
}else{
$css = theme_archaius_set_custommenu_last_child($css, 'left','0');
}
return $css;
}
/**
* Check if a setting is empty or not.
* @param $setting Setting name
* @return mixed NULL or the setting value
*/
function theme_archaius_check_css_setting($setting){
if (!empty($setting))
return $setting;
return null;
}
/**
* Replace a specific setting in CSS stylesheets.
* @param String $css
* @param $setting Setting name
* @return String $css
*/
function theme_archaius_replace_tag_css($css,$replacement,$tag){
if (is_null($replacement) ) {
$replacement = '';
}
$css = str_replace($tag, $replacement, $css);
return $css;
}
/**
* Replace slideshow height in CSS files. this is diffent from
* the other method because you have to validate that the value
* is integer. the value must be numeric and the result is given
* in pixels.
* @param String $css
* @param String $slideshowheight
* @return String $css
*/
function theme_archaius_set_slideshowheight($css, $slideshowheight) {
$tag = '[[setting:slideshowheight]]';
$replacement = $slideshowheight;
if (is_null($replacement) || !(is_numeric($replacement))){
$replacement = '200';
}else{
//pixel is used and the can't be float.
$replacement = intval($replacement);
$replacement = (string)round($replacement);
}
$replacement = $replacement . 'px';
$css = str_replace($tag, $replacement, $css);
return $css;
}
/**
* replacement depending of langmenu packs
*
* @param String $css
* @param String $position
* @param String $margin
* @return String $css
*/
function theme_archaius_set_custommenu_last_child($css, $position,$margin) {
$tag_position = '[[setting|custommenupositionlastchild]]';
$replacement_position = $position;
$tag_margin = '[[setting|custommenumarginlastchild]]';
$replacement_margin = $margin;
if (is_null($replacement_position)){
$replacement_position = 'left';
}
if(is_null($replacement_margin)){
$replacement_margin = 'inherit';
}
$css = str_replace($tag_position, $replacement_position, $css);
$css = str_replace($tag_margin, $replacement_margin, $css);
return $css;
}
/**
* Font replacement
* Find fonts to be replaced in CSS files.
* @param String $css
* @return String $css
*/
function theme_archaius_set_css_font_replacement($css){
global $CFG;
$pattern = '/\[\[font\|([^]]+)\]\]/';
$replacement = $CFG->wwwroot . '/theme/archaius/fonts/$1';
$css = preg_replace($pattern, $replacement, $css);
return $css;
}
/**
* Serves any files associated with the theme settings.
* Callback function to get files related with the carousel of information on
* the frontpage.
*
* @param stdClass $course
* @param stdClass $cm
* @param context $context
* @param string $filearea
* @param array $args
* @param bool $forcedownload
* @param array $options
* @return bool
*/
function theme_archaius_pluginfile($course, $cm, $context, $filearea,
$args, $forcedownload, array $options = array()){
if ($context->contextlevel == CONTEXT_SYSTEM) {
if ($filearea === 'logo') {
$theme = theme_config::load('archaius');
return $theme->setting_file_serve(
'logo',
$args,
$forcedownload,
$options
);
}elseif ($filearea === 'mobilelogo') {
$theme = theme_config::load('archaius');
return $theme->setting_file_serve(
'mobilelogo',
$args,
$forcedownload,
$options
);
}elseif($filearea === 'loginbackgroundimage'){
$theme = theme_config::load('archaius');
return $theme->setting_file_serve(
'loginbackgroundimage',
$args,
$forcedownload,
$options
);
}else{
$fs = get_file_storage();
$relativepath = implode('/', $args);
$fullpath = "/$context->id/theme_archaius/$filearea/$relativepath";
$hash = sha1($fullpath);
$file = $fs->get_file_by_hash($hash);
if (!$file or $file->is_directory()) {
send_file_not_found();
}else {
return send_stored_file(
$file,
86400,
0,
$forcedownload,
$options
);
}
}
}
}
/**
* sets the login background image
*
* @param String $css
* @return String $css
*/
function theme_archaius_set_login_background_image($css){
global $PAGE, $OUTPUT;
$tag = '[[setting|loginbackgroundimage]]';
$image_url = $PAGE->theme->setting_file_url('loginbackgroundimage', 'loginbackgroundimage');
$replacement = "";
if (! is_null($image_url)){
$replacement = $image_url ;
}else{
$replacement = $OUTPUT->pix_url('login_background','theme');
}
$css = str_replace($tag, $replacement, $css);
return $css;
}
/**
* sets the box login width
*
* @param String $css
* @return String $css
*/
function theme_archaius_set_login_box_width($css){
global $CFG;
$replacement_width = '400px';
$replacement_max_width = '90% !important';
if($CFG->registerauth === "email"){
$replacement_width = '70%';
$replacement_max_width = 'auto';
}
$css = str_replace('[[setting|loginboxwidth]]', $replacement_width, $css);
$css = str_replace('[[setting|loginboxmaxwidth]]', $replacement_max_width, $css);
return $css;
}
/**
* Function to add jQuery and jQuery plugins using Moodle standard way
* @param moodle_page $page
*/
function theme_archaius_page_init(moodle_page $page) {
global $PAGE;
$page->requires->jquery();
//Load responsive slideshow only when the effect is active
$slideshow_active =
isset($PAGE->theme->settings->activateSlideshow) ?
intval($PAGE->theme->settings->activateSlideshow) : 0;
if($slideshow_active)
$page->requires->jquery_plugin('responsive-slides', 'theme_archaius');
//CORE JQUERY PLUGINS
$page->requires->jquery_plugin('velocity-jquery', 'theme_archaius');
$page->requires->jquery_plugin('waypoints', 'theme_archaius');
$page->requires->jquery_plugin('waypoints-sticky', 'theme_archaius');
$accordion_blocks_active =
isset($PAGE->theme->settings->accordionBlocks) ?
intval($PAGE->theme->settings->accordionBlocks) : 0;
//Load accordion blocks only when the effect is active
if($accordion_blocks_active)
$page->requires->jquery_plugin('accordion-blocks', 'theme_archaius');
}
//To translate items in the customenu, it is from:
// http://docs.moodle.org/dev/Extending_the_theme_custom_menu
class theme_archaius_transmuted_custom_menu_item extends custom_menu_item {
public function __construct(custom_menu_item $menunode) {
parent::__construct(
$menunode->get_text(),
$menunode->get_url(),
$menunode->get_title(),
$menunode->get_sort_order(),
$menunode->get_parent()
);
$this->children = $menunode->get_children();
$matches = array();
if (preg_match('/^\[\[([a-zA-Z0-9\-\_\:]+)\]\]$/',
$this->text, $matches)) {
try {
$this->text = get_string($matches[1], 'theme_archaius');
} catch (Exception $e) {
$this->text = $matches[1];
}
}
$matches = array();
if (preg_match('/^\[\[([a-zA-Z0-9\-\_\:]+)\]\]$/',
$this->title, $matches)) {
try {
$this->title = get_string($matches[1], 'theme_archaius');
} catch (Exception $e) {
$this->title = $matches[1];
}
}
}
}