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<?php

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defined( 'ABSPATH' ) || exit;

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if( ! class_exists( 'Themify_Icon_Font',false ) ) :

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/**

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* Definition for icon font classes

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* @since 1.0

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class Themify_Icon_Font {

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public static $url;

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private static $types;

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protected static $usedIcons = array();

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protected function __construct(){

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self::$types[$this->get_id()]=$this;

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}

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public static function init(){

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$dir = trailingslashit( dirname( __FILE__ ) );

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include $dir.'includes/class-icon-themify.php';

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include $dir .'includes/class-icon-fontawesome.php';

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include $dir .'includes/class-icon-fontello.php';

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include $dir .'includes/class-icon-lineawesome.php';

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add_action( 'wp_ajax_tf_get_icon', array( __CLASS__, 'tf_ajax_get_icon' ) );

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add_action('wp_ajax_tf_icon_get_by_type',array(__CLASS__,'get_ajax_by_type'));

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add_action('wp_ajax_nopriv_tf_load_icons',array(__CLASS__,'load_icons'));

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add_action('wp_ajax_tf_load_icons',array(__CLASS__,'load_icons'));

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}

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/**

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* Return the ID of the icon font

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* @return string

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function get_id() {

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return '';

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}

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/**

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* Return the name of the icon font

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* @return string

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function get_label() {

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return '';

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}

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/**

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* Returns a list of icon fonts registered

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* @return array

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public static function get_types() {

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return self::$types;

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}

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/**

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* Gets an icon name and checks if it's a valid icon in the font

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* @param $name name of the icon

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* @return bool

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function is_valid_icon( $name ) {

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return true;

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}

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/**

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* Returns the formatted CSS classname for the icon

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* @return string

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function get_classname( $icon ,$lazy=null,$data_only=false) {

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return $icon;

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}

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function get_categories(){

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return array();

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}

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/**

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* Load script and style required for the icon picker interface

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* Must be called manually wherever you need the icon picker.

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public static function enqueue() {

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$titles=array();

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$types=self::get_types();

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foreach($types as $type){

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$titles[$type->get_id()]=$type->get_label();

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}

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wp_enqueue_script( 'tf-icon-picker', THEMIFY_URI . '/themify-icon-picker/assets/script.js', array( 'themify-main-script' ), THEMIFY_VERSION, true );

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wp_localize_script( 'tf-icon-picker', 'tfIconPicker', array(

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'group'=>$titles,

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'title'=> __( 'Choose icon', 'themify' ),

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'search'=>__( 'Search', 'themify' )

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) );

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do_action( 'themify_icon_picker_enqueue' );

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}

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public function get_icons_by_category($cat=''){

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return array();

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}

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public static function get_used_icons() {

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return self::$usedIcons;

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}

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/**

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* Hooked to "tf_get_icon" Ajax call, returns the icon CSS classname for $_POST['tf_icon']

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* @since 1.0

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public static function tf_ajax_get_icon() {

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if ( isset( $_GET['tf_icon'] ) ) {

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echo themify_get_icon( $_GET['tf_icon'] );

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}

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die;

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}

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public static function load_icons(){

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if(!empty($_POST['icons'])){

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$icons=json_decode(str_replace('\\','',$_POST['icons']));

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$res=array();

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foreach($icons as $ic){

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$r=themify_get_icon(trim($ic),false,false,true);

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if($r){

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$res[$ic]=$r;

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}

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}

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wp_send_json($res);

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}

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die;

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}

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public static function get_ajax_by_type(){

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if(!empty($_POST['type'])){

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$type = $_POST['type'];

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$cat = !empty($_POST['cat'])?$_POST['cat']:'';

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$types = self::get_types();

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if(isset($types[$type])){

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header( 'Content-Type: application/json; charset=' . get_option( 'blog_charset' ) );

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echo json_encode(array('icons'=>$types[$type]->get_icons_by_category($cat),'cats'=>$types[$type]->get_categories()));

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}

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}

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die;

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}

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protected static function svg_attributes($attrs){

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if(isset($attrs['aria-label'])){

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$attrs['role']='img';

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}

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else{

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$attrs['aria-hidden']='true';

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}

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return themify_get_element_attributes($attrs);

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}

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protected static function get_svg($id,array $attrs=array()){

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$cl='tf_fa tf-'.$id;

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if(isset($attrs['class'])){

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$cl.=' '.$attrs['class'];

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}

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$attrs['class']=$cl;

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return '<svg '.self::svg_attributes($attrs).'><use href="#tf-' . $id . '"></use></svg>';

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}

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}

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endif;

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if( ! function_exists( 'themify_get_icon' ) ){

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/**

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* Retrieve an icon name and returns the proper CSS classname to display that icon

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* @return string

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function themify_get_icon( $name,$type=false,$lazy=false,$data_only=false,$attrs=array()) {

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$types = Themify_Icon_Font::get_types();

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if($type!==false && isset($types[$type])){

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return $types[$type]->get_classname( $name,$lazy,$data_only,$attrs );

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}

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foreach( $types as $font ) {

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if( $font->is_valid_icon( $name ) ) {

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return $font->get_classname( $name,$lazy,$data_only,$attrs );

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}

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}

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return false;

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}

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}

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add_action( 'init', array( 'Themify_Icon_Font', 'init' ) );

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