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: / proc / thread-self / cwd / wp-content / themes / aeen / inc / customizer / typography /
Filename : typography-controls.php
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<?php
/**
 * @author  RadiusTheme
 * @since   1.0
 * @version 1.0
 */

namespace radiustheme\aeen\Customizer\Typography;

use WP_Customize_Control;

/**
 * Customizer Typography Controls
 */

if ( class_exists( 'WP_Customize_Control' ) ) {

	/**
	 * Googe Font Select Custom Control	 
	 */
	class Customizer_Google_Fonts_Controls extends WP_Customize_Control {
		/**
		 * The type of control being rendered
		 */
		public $type = 'google_fonts';
		/**
		 * The list of Google Fonts
		 */
		private $fontList = false;
		/**
		 * The saved font values decoded from json
		 */
		private $fontValues = array();
		/**
		 * The index of the saved font within the list of Google fonts
		 */
		private $fontListIndex = 0;
		/**
		 * The number of fonts to display from the json file. Either positive integer or 'all'. Default = 'all'
		 */
		private $fontCount = 'all';
		/**
		 * The font list sort order. Either 'alpha' or 'popular'. Default = 'alpha'
		 */
		private $fontOrderBy = 'alpha';
		/**
		 * Get our list of fonts from the json file
		 */
		public function __construct( $manager, $id, $args = array(), $options = array() ) {
			parent::__construct( $manager, $id, $args );
			// Get the font sort order
			if ( isset( $this->input_attrs['orderby'] ) && strtolower( $this->input_attrs['orderby'] ) === 'popular' ) {
				$this->fontOrderBy = 'popular';
			}
			// Get the list of Google fonts
			if ( isset( $this->input_attrs['font_count'] ) ) {
				if ( 'all' != strtolower( $this->input_attrs['font_count'] ) ) {
					$this->fontCount = ( abs( (int) $this->input_attrs['font_count'] ) > 0 ? abs( (int) $this->input_attrs['font_count'] ) : 'all' );
				}
			}
			$this->fontList = $this->rttheme_getGoogleFonts( 'all' );
			// Decode the default json font value
			$this->fontValues = json_decode( $this->value() );
			// Find the index of our default font within our list of Google fonts
			$this->fontListIndex = $this->rttheme_getFontIndex( $this->fontList, $this->fontValues->font );
		}
		
		/**
		 * Enqueue our scripts and styles
		 */
		public function enqueue() {
			wp_enqueue_script( 'rttheme-select2-js', trailingslashit( get_template_directory_uri() ) . 'assets/js/select2.min.js', array( 'jquery' ), '4.0.6', true );
			wp_enqueue_script( 'rttheme-typography-controls-js', trailingslashit( get_template_directory_uri() ) . 'inc/customizer/typography/assets/typography.js', array( 'rttheme-select2-js' ), '1.2', true );
			wp_enqueue_style( 'rttheme-typography-controls-css', trailingslashit( get_template_directory_uri() ) . 'inc/customizer/typography/assets/typography.css', array(), '1.1', 'all' );
			wp_enqueue_style( 'rttheme-select2-css', trailingslashit( get_template_directory_uri() ) . 'assets/css/select2.min.css', array(), '4.0.6', 'all' );
		}

		/**
		 * Export our List of Google Fonts to JavaScript
		 */
		public function to_json() {
			parent::to_json();
			$this->json['rtthemefontslist'] = $this->fontList;
		}
		/**
		 * Render the control in the customizer
		 */
		public function render_content() {
			$fontCounter = 0;
			$isFontInList = false;
			$fontListStr = '';

			if( !empty($this->fontList) ) {
				?>
				<div class="google_fonts_select_control">
					<?php if( !empty( $this->label ) ) { ?>
						<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
					<?php } ?>
					<?php if( !empty( $this->description ) ) { ?>
						<span class="customize-control-description"><?php echo esc_html( $this->description ); ?></span>
					<?php } ?>
					<input type="hidden" id="<?php echo esc_attr( $this->id ); ?>" name="<?php echo esc_attr( $this->id ); ?>" value="<?php echo esc_attr( $this->value() ); ?>" class="customize-control-google-font-selection" <?php $this->link(); ?> />
					<div class="google-fonts">
						<select class="google-fonts-list" control-name="<?php echo esc_attr( $this->id ); ?>">
							<?php
								foreach( $this->fontList as $key => $value ) {
									$fontCounter++;
									$fontListStr .= '<option value="' . $value->family . '" ' . selected( $this->fontValues->font, $value->family, false ) . '>' . $value->family . '</option>';
									if ( $this->fontValues->font === $value->family ) {
										$isFontInList = true;
									}
									if ( is_int( $this->fontCount ) && $fontCounter === $this->fontCount ) {
										break;
									}
								}
								if ( !$isFontInList && $this->fontListIndex ) {
									// If the default or saved font value isn't in the list of displayed fonts, add it to the top of the list as the default font
									$fontListStr = '<option value="' . $this->fontList[$this->fontListIndex]->family . '" ' . selected( $this->fontValues->font, $this->fontList[$this->fontListIndex]->family, false ) . '>' . $this->fontList[$this->fontListIndex]->family . ' (default)</option>' . $fontListStr;
								}
								// Display our list of font options
								echo wp_kses_stripslashes( $fontListStr );
							?>
						</select>
					</div>
					<div class="customize-control-description">Select weight &amp; style for regular text</div>
					<div class="weight-style">
						<select class="google-fonts-regularweight-style">
							<?php
								foreach( $this->fontList[$this->fontListIndex]->variants as $key => $value ) {
									echo '<option value="' . $value . '" ' . selected( $this->fontValues->regularweight, $value, false ) . '>' . $value . '</option>';
								}
							?>
						</select>
					</div>

				</div>
				<?php
			}
		}

		/**
		 * Find the index of the saved font in our multidimensional array of Google Fonts
		 */
		public function rttheme_getFontIndex( $haystack, $needle ) {
			if ( !empty( $haystack ) ) {
				foreach( $haystack as $key => $value ) {
					if( $value->family == $needle ) {
						return $key;
					}
				}
			}
			return false;

		}

		/**
		 * Return the list of Google Fonts from our json file. Unless otherwise specfied, list will be limited to 30 fonts.
		 */
		public function rttheme_getGoogleFonts( $count = 30 ) {
			// Google Fonts json generated from https://www.googleapis.com/webfonts/v1/webfonts?sort=popularity&key=YOUR-API-KEY
			$fontFile = trailingslashit( get_template_directory_uri() ) . 'inc/customizer/typography/google-fonts/google-fonts-alphabetical.json';
			if ( $this->fontOrderBy === 'popular' ) {
				$fontFile = trailingslashit( get_template_directory_uri() ) . 'inc/customizer/typography/google-fonts/google-fonts-popularity.json';
			}

			$request = wp_remote_get( $fontFile );
			if( is_wp_error( $request ) ) {
				return "";
			}

			$body = wp_remote_retrieve_body( $request );
			$content = json_decode( $body );

			if( $count == 'all' ) {
				return $content->items;
			} else {
				return array_slice( $content->items, 0, $count );
			}
		}
	}
}