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✏️ Editing: ultimate_font_manager.php

<?php
/**
 * Add-on Name: Google Font Manager
 * Add-on URI: http://dev.brainstormforce.com
 *
 *  @package UAVC Font manager
 */

/*
* Add-on Name: Google Font Manager
* Add-on URI: https://www.brainstormforce.com
* Usage:
	# VC Params Type: (Note - "ultimate_google_fonts_style" param must be next to "ultimate_google_fonts" param only)
		1) ultimate_google_fonts - for dropdown of google fonts in collection
			For Ex -
			array(
				"type" => "ultimate_google_fonts",
				"heading" => __("Font Family", "smile"),
				"param_name" => "heading_font"
			),
		2) ultimate_google_fonts_style - for respective google font style or default style
			For Ex -
			array(
				"type" => "ultimate_google_fonts_style",
				"heading" 		=>	__("Font Style", "smile"),
				"param_name"	=>	"heading_style"
			),
	# In respective comoponent shortcode process function
		1) Get font family -
			For Ex -
			$font_family = get_ultimate_font_family($heading_font);
		2) Get font style -
			For Ex -
			$font_style = get_ultimate_font_style($heading_style);
			// deprecated since 3.7.0 - automatically detected font and enqueue accordingly
		3) Enqueue the respective fonts - Note send number of font param as a parameter in array
			For Ex -
			$args = array(
				$heading_font
			);
			enquque_ultimate_google_fonts($args);
*/
if ( ! class_exists( 'Ultimate_VC_Addons_Google_Font_Manager' ) ) {
	/**
	 * Function that initializes  Ultimate Parallax.
	 *
	 * @class Ultimate_VC_Addons_Google_Font_Manager
	 */
	class Ultimate_VC_Addons_Google_Font_Manager {
		/**
		 * Constructor function that constructs default values for the Ultimate Parallax.
		 *
		 * @method __construct
		 */
		public function __construct() {
			add_option( 'ultimate_google_fonts', array() );
			add_option( 'ultimate_selected_google_fonts', array() );
			add_action( 'wp_ajax_ultimate_google_fonts_refresh', array( $this, 'refresh_google_fonts_list' ) );
			add_action( 'wp_ajax_get_google_fonts', array( $this, 'get_google_fonts_list' ) );
			add_action( 'wp_ajax_add_google_font', array( $this, 'add_selected_google_font' ) );
			add_action( 'wp_ajax_delete_google_font', array( $this, 'delete_selected_google_font' ) );
			add_action( 'wp_ajax_update_google_font', array( $this, 'update_selected_google_font' ) );
			add_action( 'wp_ajax_get_font_variants', array( $this, 'get_font_variants_callback' ) );
			add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_selected_ultimate_google_fonts' ) );
		}
		/**
		 * Google font manager menu.
		 *
		 * @since ----
		 * @access public
		 */
		public function google_font_manager_menu() {
			$current_theme = wp_get_theme();
			if ( 'Smile' == $current_theme ) {
				$page = add_submenu_page(
					'smile_dashboard',
					__( 'Google Font Manager', 'ultimate_vc' ),
					__( 'Google Fonts', 'ultimate_vc' ),
					'administrator',
					'Ultimate_VC_Addons_Font_Manager',
					array( $this, 'ultimate_font_manager_dashboard' )
				);
			} else {
				$page = add_submenu_page(
					'bsf-dashboard',
					__( 'Google Font Manager', 'ultimate_vc' ),
					__( 'Google Fonts', 'ultimate_vc' ),
					'administrator',
					'ultimate-font-manager',
					array( $this, 'ultimate_font_manager_dashboard' )
				);
			}
			add_action( 'admin_print_scripts-' . $page, array( $this, 'admin_google_font_scripts' ) );
		}
		/**
		 * Google font admin scripts.
		 *
		 * @since ----
		 * @access public
		 */
		public function admin_google_font_scripts() {
			wp_register_script( 'ultimate-vc-addons-google-fonts-script', UAVC_URL . 'admin/js/google-fonts-admin.js', array( 'jquery' ), ULTIMATE_VERSION, false );
			wp_enqueue_script( 'ultimate-vc-addons-google-fonts-script' );
			wp_localize_script(
				'ultimate-vc-addons-google-fonts-script',
				'uavc',
				array(
					'google_font_nonce'   => wp_create_nonce( 'uavc-google-font-nonce' ),
					'get_google_fonts'    => wp_create_nonce( 'uavc-get-google-fonts-nonce' ),
					'add_google_fonts'    => wp_create_nonce( 'uavc-add-google-fonts-nonce' ),
					'delete_google_fonts' => wp_create_nonce( 'uavc-delete-google-fonts-nonce' ),
					'update_google_fonts' => wp_create_nonce( 'uavc-update-google-fonts-nonce' ),
				)
			);

Ultimate_VC_Addons::ultimate_register_style( 'ultimate-vc-addons-google-fonts-style', UAVC_URL . 'admin/css/google-fonts-admin.css', true );

wp_enqueue_style( 'ultimate-vc-addons-google-fonts-style' );
		}
		/**
		 * Enqueue Google font.
		 *
		 * @since ----
		 * @access public
		 */
		public function enqueue_selected_ultimate_google_fonts() {
			$selected_fonts    = get_option( 'ultimate_selected_google_fonts' );
			$subset_main_array = array();
			if ( ! empty( $selected_fonts ) ) {

$count     = count( $selected_fonts );
				$font_call = '';
				foreach ( $selected_fonts as $key => $sfont ) {
					$variants_array = array();
					if ( 0 != $key ) {
						$font_call .= '|';
					}
					$font_call .= $sfont['font_family'];
					if ( isset( $sfont['variants'] ) ) :
						$variants = $sfont['variants'];
						if ( ! empty( $variants ) ) {
							$font_call .= ':';
							foreach ( $variants as  $variant ) {
								$variant_selected = $variant['variant_selected'];
								if ( 'true' == $variant_selected || is_admin() ) {
									array_push( $variants_array, $variant['variant_value'] );
								}
							}
							$variants_count = count( $variants_array );
							if ( 0 != $variants_count ) {
								$font_call .= 'normal,';
							}
							foreach ( $variants_array as $vkey => $variant ) {
								$font_call .= $variant;
								if ( ( $variants_count - 1 ) != $vkey && $variants_count > 0 ) {
									$font_call .= ',';
								}
							}
						}
					endif;

if ( ! empty( $sfont['subsets'] ) ) {
						$subset_array = array();
						foreach ( $sfont['subsets'] as $tsubset ) {
							if ( 'true' == $tsubset['subset_selected'] || true == $tsubset['subset_selected'] ) {
								array_push( $subset_main_array, $tsubset['subset_value'] );
							}
						}
					}
				}

$subset_string = '';

if ( ! empty( $subset_main_array ) ) {
					$subset_main_array = array_unique( $subset_main_array );

$subset_string     = '&subset=';
					$subset_count      = count( $subset_main_array );
					$subset_main_array = array_values( $subset_main_array );

foreach ( $subset_main_array as $skey => $subset ) {
						if ( '' !== $subset ) {
							$subset_string .= $subset;
							if ( ( $skey != $subset_count - 1 ) ) {
								$subset_string .= ',';
							}
						}
					}
				}

$font_call = str_replace( '||', '|', $font_call );

$link = 'https://fonts.googleapis.com/css?family=' . $font_call;

$font_api_call = $link . $subset_string;

wp_register_style( 'ultimate-vc-addons-selected-google-fonts-style', $font_api_call, array(), null );// @codingStandardsIgnoreLine.
				wp_enqueue_style( 'ultimate-vc-addons-selected-google-fonts-style' );
			}
		}
		/**
		 * Google font manager Dashboard menu.
		 *
		 * @since ----
		 * @access public
		 */
		public function ultimate_font_manager_dashboard() {            ?>
		<div class="wrap uavc-gfont">
			<h2>
					<?php esc_attr_e( 'Google Fonts Manager', 'ultimate_vc' ); ?>
					<input style="cursor:pointer" type="button" class="add-new-h2" id="refresh-google-fonts" value="<?php esc_attr_e( 'Refresh Font List', 'ultimate_vc' ); ?>"/>
				&nbsp;<span class="spinner"></span>
				</h2>
				<div id="vc-gf-msg"></div>
				<div class="nav">
					<input type="text" id="search_gfont" name="search_gfont" placeholder="<?php echo esc_attr__( 'Search font..', 'ultimate_vc' ); ?>"/>
				</div>
				<div>
				<div class="fonts-list">
					<div id="fonts-list-wrapper" style="overflow:auto" data-gstart="0" data-gfetch="20"></div>
					<div id="load-more" class="spinner" style="float:left"></div>
				</div>
				<div class="fonts-selected-list">
					<h3><?php echo esc_html__( 'Your Font Collection', 'ultimate_vc' ); ?></h3>
					<div id="fonts-selected-wrapper">
						<?php
							$selected_fonts = get_option( 'ultimate_selected_google_fonts' );
						if ( ! empty( $selected_fonts ) ) {
							foreach ( $selected_fonts as $key => $sfont ) {
								?>
										<div class="selected-font">
											<div class="selected-font-top <?php echo ( ! empty( $sfont['variants'] ) || ! empty( $sfont['subsets'] ) ) ? 'have-variants' : ''; ?>">
												<div class="font-header" style="font-family:'<?php esc_attr_e( $sfont['font_name'] ); ?>'"><?php esc_html_e( $sfont['font_name'] ); ?></div>
											<?php if ( ! empty( $sfont['variants'] ) || ! empty( $sfont['subsets'] ) ) : ?>
													<i class="dashicons dashicons-arrow-down"></i>
												<?php endif; ?>
												<div class="clear"></div>
											</div>
											<span class="font-delete" data-font_name="<?php esc_attr_e( $sfont['font_name'] ); ?>"><i class="dashicons dashicons-no-alt"></i></span>
										<?php
											$is_varients = false;
										if ( ! empty( $sfont['variants'] ) || ! empty( $sfont['subsets'] ) ) :
											?>
												<div class="selected-font-content">
											<?php
												$lid          = str_replace( ' ', '-', $sfont['font_name'] );
												$variant_font = 'font-family:\'' . $sfont['font_name'] . '\';';
											if ( ! empty( $sfont['variants'] ) ) :
												$is_varients = true;
												?>
															<div class="selected-font-varient-wrapper">
													<?php
													foreach ( $sfont['variants'] as $svkey => $svariants ) {
														$variant_style = $variant_font;
														if ( preg_match( '/italic/i', $svariants['variant_value'] ) ) {
															$variant_style .= 'font-style:italic;';
														}
														$weight = 'normal';
														if ( $weight = preg_replace( '/\D/', '', $svariants['variant_value'] ) ) { // @codingStandardsIgnoreLine.
															$variant_style .= 'font-weight:' . $weight . ';';
														}
														$tlid = $lid . '-' . $svkey;
														?>
																		<span class="font-variant">
																			<input type="checkbox" id="<?php esc_attr_e( $tlid ); ?>" value="<?php esc_attr_e( $svariants['variant_value'] ); ?>" class="selected-variant-checkbox" <?php echo ( 'true' == $svariants['variant_selected'] ) ? 'checked' : ''; ?> />
																			<label style="<?php esc_attr_e( $variant_style ); ?>" for="<?php esc_attr_e( $tlid ); ?>"><?php echo $svariants['variant_value']; // @codingStandardsIgnoreLine. ?></label>
																		</span>
															<?php
													}
													?>
															</div>
													<?php
														endif;
											if ( ! empty( $sfont['subsets'] ) ) :
												?>
															<div class="<?php echo ( $is_varients ) ? 'selected-font-subset-wrapper' : ''; ?>">
													<?php
													foreach ( $sfont['subsets'] as $sbkey => $ssubset ) {
														$slid = $lid . '-subset-' . $sbkey;
														?>
																		<span class="font-subset">
																			<input type="checkbox" id="<?php esc_attr_e( $slid ); ?>" value="<?php esc_attr_e( $ssubset['subset_value'] ); ?>" class="selected-subset-checkbox" <?php echo ( 'true' == $ssubset['subset_selected'] ) ? 'checked' : ''; ?> />
																			<label style="" for="<?php esc_attr_e( $slid ); ?>"><?php echo $ssubset['subset_value']; // @codingStandardsIgnoreLine. ?></label>
																		</span>
															<?php
													}
													?>
															</div>
													<?php
														endif;
											?>
													<input type="button" class="button alignleft update-google-font-button" value="<?php echo esc_attr__( 'Update font', 'ultimate_vc' ); ?>" data-font_name="<?php esc_attr_e( $sfont['font_name'] ); ?>" />
													<span class="spinner fspinner"></span>
													<div class="clear"></div>
												</div>
												<?php
												endif;
										?>
										</div>
									<?php
							}
						}
						?>
					</div>
				</div>
				<div class="clear"></div>
				</div>
			</div>
			<?php
		}
		/**
		 * Google font manager list.
		 *
		 * @since ----
		 * @access public
		 */
		public function refresh_google_fonts_list() {