File: /home4/cca63905/.trash/wp-content/themes/enfold/framework/php/class-style-generator.php
<?php if ( ! defined('AVIA_FW')) exit('No direct script access allowed');
/**
* This file holds the class that creates styles for the theme based on the backend options
*
*
* @author Christian "Kriesi" Budschedl
* @copyright Copyright (c) Christian Budschedl
* @link http://kriesi.at
* @link http://aviathemes.com
* @since Version 1.0
* @package AviaFramework
*/
/**
*
*/
if( ! class_exists( 'avia_style_generator' ) )
{
/**
* The avia_style_generator class holds all methods necessary to create and overwrite the default css styles with those set in the wordpress backend
* @package AviaFramework
*/
class avia_style_generator
{
/**
* This array hold all styledata defined for the theme that should be overwriten dynamically
*
* @since < 4.0
* @var array
*/
public $rules;
/**
* $output contains the html string that is printed in the frontend
*
* @since < 4.0
* @var string
*/
public $output;
/**
* $extra_output contains html content that should be printed after the actual css rules. for example a javascript with cufon rules
*
* @since < 4.0
* @var string
*/
public $extra_output;
/*
* Add print var to check if we need to output style tags or not
*
* @since < 4.0
* @var boolean
*/
public $print_styles;
/**
* Add print var to check if we need to output extra data in header
*
* @since < 4.0
* @var boolean
*/
public $print_extra_output;
/**
* @since < 4.0
* @var array
*/
public $used_fonts;
/**
* @since < 4.0
* @var string
*/
public $google_fontlist;
/**
* holds all available styling rules that are defined in the config files
*
* @since < 4.0
* @var array
*/
public $stylewizard;
/**
* holds all saved elements that contain rules
*
* @since < 4.0
* @var array
*/
public $stylewizardIDs;
/**
*
* @since 4.5.1
* @var array
*/
protected $fallback_fonts;
/**
*
* @since < 4.5
* @param avia_superobject $avia_superobject
* @param boolean $print_styles
* @param boolean $print_extra_output
* @param boolean $addaction
*/
public function __construct( avia_superobject $avia_superobject, $print_styles = true, $print_extra_output = true, $addaction = true )
{
$this->rules = array();
$this->output = '';
$this->extra_output = '';
$this->print_styles = $print_styles;
$this->print_extra_output = $print_extra_output;
$this->used_fonts = array();
$this->google_fontlist = '';
$this->stylewizard = array();
$this->stylewizardIDs = array();
$this->fallback_fonts = array(
"'HelveticaNeue'",
"'Helvetica Neue'",
"'Helvetica-Neue'",
'Helvetica',
'Arial',
'sans-serif'
);
//check if stylesheet exists...
$safe_name = avia_backend_safe_string( $avia_superobject->base_data['prefix'] );
if( get_option( 'avia_stylesheet_exists' . $safe_name ) == 'true' )
{
$this->print_styles = false;
}
$this->get_style_wizard_additions( $avia_superobject->option_page_data );
if( $addaction )
{
add_action( 'wp_head', array( $this, 'create_styles'), 5 );
add_action( 'wp_head', array( $this, 'print_extra_output'), 6 );
add_action( 'wp_head', array( $this, 'print_styles'), 1000 );
add_action( 'wp_footer', array( $this, 'print_footer'), 1000 );
}
}
/**
* @since < 4.5
*/
public function __destruct()
{
unset( $this->rules );
unset( $this->used_fonts );
unset( $this->stylewizard );
unset( $this->stylewizardIDs );
unset( $this->fallback_fonts );
}
// gather styling wizard elements so the rules can be converted as well
/**
*
* @since < 4.0
* @param array $option_page_data
*/
protected function get_style_wizard_additions( $option_page_data )
{
foreach( $option_page_data as $data )
{
if( $data['type'] == 'styling_wizard' )
{
$this->stylewizardIDs[] = $data['id'];
$this->stylewizard = array_merge( $this->stylewizard, $data['elements'] );
}
}
}
/**
* Returns a filterable array of fallback fonts that can be used to add to the font-family.
* Default is Helvetia family
*
* @since 4.5.1
* @param string $selected_font_family
* @return array
*/
public function get_fallback_fonts_array( $selected_font_family )
{
return apply_filters( 'avf_fallback_fonts_array', $this->fallback_fonts, $selected_font_family );
}
/**
* Returns the font family string extended with the fallback fonts.
* Tries to filter double entries.
*
* @since 4.5.1
* @param string $selected_font_family
* @param string $rule
* @return string
*/
public function font_family_string( $selected_font_family, $rule = '' )
{
$fallback = $this->get_fallback_fonts_array( $selected_font_family );
$plain_selected = strtolower( str_replace( array( '"', "'" ), '', $selected_font_family ) );
foreach( $fallback as $key => $font )
{
$plain_font = strtolower( str_replace( array( '"', "'" ), '', $font ) );
if( ( stripos( $rule, $font ) !== false ) || ( $plain_selected == $plain_font ) )
{
unset( $fallback[ $key ] );
}
}
$family = "'{$plain_selected}'";
if( ! empty( $fallback ) )
{
$family .= ', ';
$family .= implode( ', ', $fallback );
}
return $family;
}
/**
* @since < 4.0
* @return string
*/
public function create_styles()
{
global $avia_config;
if( ! isset( $avia_config['font_stack'] ) )
{
$avia_config['font_stack'] = '';
}
if( ! isset( $avia_config['style'] ) )
{
return '';
}
/**
* @used_by config-bbpress\config.php avia_bbpress_forum_colors() 10
* @since < 4.0
* @return array
*/
$avia_config['style'] = apply_filters( 'avia_style_filter', $avia_config['style'] );
$this->rules = $avia_config['style'];
$this->output = '';
/**
* @used_by AviaTypeFonts 10
* @since 4.3
*/
$this->output = apply_filters( 'avf_create_dynamic_stylesheet', $this->output, $this, 'before' );
//default styling rules
if( is_array( $this->rules ) )
{
foreach( $this->rules as $index => $rule )
{
$rule['value'] = str_replace('{{AVIA_BASE_URL}}', AVIA_BASE_URL, $rule['value']);
$rule['value'] = preg_replace('/(http|https):\/\//', '//', $rule['value']);
//check if a executing method was passed, if not simply put the string together based on the key and value array
if(isset($rule['key']) && method_exists($this, $rule['key']) && $rule['value'] != '' )
{
$this->output .= $this->{$rule['key']}( $rule, $index ) . "\n";
}
else if($rule['value'] != "")
{
$this->output .= $rule['elements']."{\n".$rule['key'].":".$rule['value'].";\n}\n\n";
}
}
}
//css wizard styling rules( e.g. includes\admin\register-backend-advanced-styles.php )
$this->create_wizard_styles();
/**
* @since 4.3
*/
$this->output = apply_filters( 'avf_create_dynamic_stylesheet', $this->output, $this, 'after' );
//output inline css in head section or return the style code
$return = '';
if( ! empty( $this->output ) )
{
if( ! empty( $this->print_styles ) )
{
}
else
{
$return = $this->output;
}
}
return $return;
}
/**
* Add all additional styles to output string (like defined in includes\admin\register-backend-advanced-styles.php)
*
* @since < 4.0
*/
protected function create_wizard_styles()
{
if(empty($this->stylewizardIDs)) return;
global $avia_config;
foreach($this->stylewizardIDs as $id)
{
$options = avia_get_option($id);
if(empty($options)) continue;
foreach($options as $style)
{
if(empty($this->stylewizard[$style['id']]['selector'])) continue;
//first of all we need to build the selector string
$selectorArray = $this->stylewizard[$style['id']]['selector'];
$sectionCheck = $this->stylewizard[$style['id']]['sections'];
foreach($selectorArray as $selector => $ruleset)
{
$temp_selector = "";
$rules = "";
$sectionActive = strpos($selector, '[sections]') !== false ? true : false;
//hover check
if(isset($style['hover_active']) && $style['hover_active'] != 'disabled')
{
$selector = str_replace("[hover]", ":hover", $selector);
}
else
{
$selector = str_replace("[hover]", "", $selector);
}
//active check
if(isset($style['item_active']) && $style['item_active'] != 'disabled' && isset( $this->stylewizard[$style['id']]['active'] ))
{
$selector = str_replace("[active]", $this->stylewizard[$style['id']]['active'] , $selector);
}
else
{
$selector = str_replace("[active]", "", $selector);
}
//if sections are enabled make sure that the selector string gets generated for each section
if($sectionActive && $sectionCheck && isset($avia_config['color_sets']))
{
//check if all color sections are selected. if so we dont need to loop several times but only once
$all_sets_selected = true;
$color_sets_to_iterate = $avia_config['color_sets'];
foreach($avia_config['color_sets'] as $key => $name)
{
if( empty($style[$key]) || (isset($style[$key]) && $style[$key] == 'disabled'))
{
$all_sets_selected = false;
}
}
if($all_sets_selected)
{
$color_sets_to_iterate = array('all_colors' => '');
}
foreach($color_sets_to_iterate as $key => $name)
{
if( (isset($style[$key]) && $style[$key] != 'disabled' ) || $key == 'all_colors')
{
if(!empty($temp_selector)) $temp_selector .= ", ";
$temp_selector .= str_replace("[sections]", ".".$key, $selector);
}
}
if(empty($temp_selector)) continue;
}
//apply modified rules to the selector
if(!empty($temp_selector)) $selector = $temp_selector;
//we got the selector stored in $selector, now we need to generate the rules
foreach($style as $key => $value)
{
if($value != "" && $value != "true" && $value != "disabled" && $key != "id")
{
if( is_array( $ruleset ) )
{
foreach($ruleset as $rule_key => $rule_val)
{
//if the $rule_val is an array we only apply the rules if the user selected value is the same as the first rule_val entry
if(is_array($rule_val))
{
if($rule_val[0] !== $value)
{
continue;
}
else
{
$rule_val = $rule_val[1];
}
}
if($rule_key == $key )
{
if(str_replace('_','-',$rule_key) == "font-family")
{
$typefont = AviaSuperobject()->type_fonts();
$font = $typefont->split_font_info( $value );
if( 'google' != $typefont->get_selected_font_type( $font ) )
{
$font = $typefont->set_font_family( $font );
}
else
{
$this->add_google_font( $font['family'], $font['weight'] );
}
// replaced in 4.5.1 - can be removed in future releases:
// $value = "'" . $font['family'] . "', 'Helvetica Neue', Helvetica, Arial, sans-serif";
$value = $this->font_family_string( $font['family'], $rule_val );
}
$rules .= str_replace( "%{$key}%", $value, $rule_val );
}
}
}
else
{
$key = str_replace('_','-',$key);
switch( $key )
{
case "font-family":
$typefont = AviaSuperobject()->type_fonts();
$font = $typefont->split_font_info( $value );
if( 'google' != $typefont->get_selected_font_type( $font ) )
{
$font = $typefont->set_font_family( $font );
}
else
{
$this->add_google_font( $font['family'], $font['weight'] );
}
// replaced in 4.5.1 - can be removed in future releases:
// $rules .= "font-family: '{$font['family']}', 'Helvetica Neue', Helvetica, Arial, sans-serif;";
$family = $this->font_family_string( $font['family'] );
$rules .= "font-family: {$family};";
break;
default:
$rules .= "{$key}:{$value};";
break;
}
}
}
}
if(!empty($rules))
{
$this->output .= $selector.'{'.$rules.'}' . "\r\n";
}
}
}
}
}
/**
*
* @since < 4.0
*/
public function print_styles()
{
if( empty( $this->print_styles ) )
{
return;
}
echo "\n<!-- custom styles set at your backend-->\n";
echo "<style type='text/css' id='dynamic-styles'>\n";
echo $this->output;
echo "</style>\n";
echo "\n<!-- end custom styles-->\n\n";
}
/**
*
* @since < 4.0
*/
public function print_extra_output()
{
if( $this->print_extra_output )
{
$fonts = avia_get_option( 'gfonts_in_footer' );
if( empty( $fonts ) || $fonts == 'disabled' )
{
$this->extra_output .= $this->link_google_font();
}
echo $this->extra_output;
}
}
/**
*
* @since < 4.0
*/
public function print_footer()
{
$fonts = avia_get_option( 'gfonts_in_footer' );
if( ! empty( $fonts ) && $fonts == 'gfonts_in_footer' )
{
$this->footer = $this->link_google_font();
}
if( ! empty( $this->footer ) )
{
echo $this->footer;
}
}
/**
* @since < 4.0
* @param array $rule
*/
public function cufon( $rule )
{
if( empty( $this->footer ) )
{
$this->footer = '';
}
$rule_split = explode( '__', $rule['value'] );
if( ! isset( $rule_split[1] ) )
{
$rule_split[1] = 1;
}
$this->footer .= "\n<!-- cufon font replacement -->\n";
$this->footer .= "<script type='text/javascript' src='".AVIA_BASE_URL."fonts/cufon.js'></script>\n";
$this->footer .= "<script type='text/javascript' src='".AVIA_BASE_URL."fonts/".$rule_split[0].".font.js'></script>\n";
$this->footer .= "<script type='text/javascript'>\n\t
var avia_cufon_size_mod = '".$rule_split[1]."'; \n\tCufon.replace('".$rule['elements']."',{ fontFamily: 'cufon', hover:'true' }); \n</script>\n";
}
/**
* Add custom font settings
*
* @since < 4.0
* @param array $rule
* @param int $index
*/
public function google_webfont( array $rule, $index )
{
global $avia_config;
/**
* check if the font has a weight applied to it and extract it. eg: "Yanone Kaffeesatz:200"
*/
$typefont = AviaSuperobject()->type_fonts();
$font = $typefont->split_font_info( $rule['value'] );
$type = $typefont->get_selected_font_type( $font );
/**
* Allow to specify a specific font size in selectbox
* e.g. myfont__1.5, google_font__1.5::100,300,500
*/
$rule_split = explode( '__', $font['family'] );
$font['family'] = $rule_split[0];
if( ! isset( $rule_split[1] ) )
{
$rule_split[1] = 1;
}
$font_weight = '';
if( 'google' != $type )
{
$font = $typefont->set_font_family( $font );
/**
* FF does not recognise when ' ' at beginning !!
*/
if( ! empty( $avia_config['font_stack'] ) )
{
$avia_config['font_stack'] .= ' ';
}
$avia_config['font_stack'] .= $font['family'] . '-' . $type;
if( 'websave' == $type )
{
$font['family'] = str_replace( '-', ' ' , $font['family'] );
}
}
else
{
$this->add_google_font( $font['family'], $font['weight'] );
if( ! empty( $font_weight ) && strpos( $font_weight, ',' ) === false )
{
$font_weight = "font-weight:{$font_weight};";
}
}
$font_css = strtolower( str_replace( " ", "_" , $font['family'] ) );
// replaced in 4.5.1 - can be removed in future releases:
// $this->output .= $rule['elements'] . ".{$font_css} {font-family:'" . $font['family'] ."', 'HelveticaNeue', 'Helvetica Neue', Helvetica, Arial, sans-serif;" . $font_weight . "}";
$family = $this->font_family_string( $font['family'] );
$font_info = array();
$font_info['font_css'] = $font_css;
$font_info['family'] = "font-family:{$family};";
$font_info['weight'] = $font_weight;
$font_info['size'] = '';
/**
* Apply font class to all selectors
* Bug prior 4.5.5: font class was only applied to last selector
*/
$css = $rule['elements'];
if( ! empty( $rule['add_font_class'] ) )
{
$selectors = explode( ',', $css );
foreach ( $selectors as $i => $selector )
{
$selector = trim( $selector );
$selectors[ $i ] = "{$selector}.{$font_css}";
}
$css = implode( ',', $selectors );
}
$this->output .= "{$css} {font-family:{$family}; {$font_weight}}";
if( $rule_split[1] !== 1 && $rule_split[1] )
{
$font_info['size'] = "font-size:{$rule_split[1]}em;";
$this->output .= "\r\n{$rule['elements']} {{$font_info['size']}}";
}
$avia_config['style'][ $index ]['font_info'] = $font_info;
$avia_config['font_stack'] .= " " . $font_css . " ";
}
/**
* add the font to the query string
*
* @since < 4.0
* @param string $font_family
* @param string $font_weight
*/
public function add_google_font( $font_family, $font_weight = '' )
{
if( ! in_array( $font_family . $font_weight, $this->used_fonts ) )
{
$this->used_fonts[] = $font_family . $font_weight;
if( ! empty( $this->google_fontlist ) )
{
$this->google_fontlist .= "%7C";
}
if( ! empty( $font_weight ) )
{
$font_weight = ":" . $font_weight ;
}
$this->google_fontlist .= str_replace( ' ', '+', $font_family ) . $font_weight;
}
}
/**
* Get the link tag with the $this->google_fontlist
*
* @since < 4.4
* @return string
*/
public function link_google_font()
{
if( empty( $this->google_fontlist ) )
{
return '';
}
if( true != apply_filters( 'avf_output_google_webfonts_script', true ) )
{
return '';
}
$output = "";
$output .= "\n<!-- google webfont font replacement -->\n";
$output .= "
<script type='text/javascript'>
(function() {
/* check if webfonts are disabled by user setting via cookie - or user must opt in. */
var html = document.getElementsByTagName('html')[0];
var cookie_check = html.className.indexOf('av-cookies-needs-opt-in') >= 0 || html.className.indexOf('av-cookies-can-opt-out') >= 0;
var allow_continue = true;
var silent_accept_cookie = html.className.indexOf('av-cookies-user-silent-accept') >= 0;
if( cookie_check && ! silent_accept_cookie )
{
if( ! document.cookie.match(/aviaCookieConsent/) || html.className.indexOf('av-cookies-session-refused') >= 0 )
{
allow_continue = false;
}
else
{
if( ! document.cookie.match(/aviaPrivacyRefuseCookiesHideBar/) )
{
allow_continue = false;
}
else if( ! document.cookie.match(/aviaPrivacyEssentialCookiesEnabled/) )
{
allow_continue = false;
}
else if( document.cookie.match(/aviaPrivacyGoogleWebfontsDisabled/) )
{
allow_continue = false;
}
}
}
if( allow_continue )
{
var f = document.createElement('link');
f.type = 'text/css';
f.rel = 'stylesheet';
f.href = '//fonts.googleapis.com/css?family=" . apply_filters( 'avf_google_fontlist', $this->google_fontlist ) . "';
f.id = 'avia-google-webfont';
document.getElementsByTagName('head')[0].appendChild(f);
}
})();
</script>
";
return $output;
}
/**
*
* @since < 4.0
* @param array $rule
* @return string
*/
public function direct_input( $rule )
{
return $rule['value'];
}
/**
*
* @since < 4.0
* @param array $rule
* @return string
*/
public function backgroundImage( $rule )
{
return "{$rule['elements']}{\nbackground-image:url({$rule['value']});\n}\n\n";
}
}
}