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<?php /* * Goodlayers Admin Panel * --------------------------------------------------------------------- * This file create the class that help you controls the font settings * --------------------------------------------------------------------- */ if( !class_exists('gdlr_core_font_loader') ){ class gdlr_core_font_loader{ private $web_safe_font_list = array( 'Georgia, serif', '"Palatino Linotype", "Book Antiqua", Palatino, serif', '"Times New Roman", Times, serif', 'Helvetica, sans-serif', 'Arial, Helvetica, sans-serif', '"Arial Black", Gadget, sans-serif', '"Comic Sans MS", cursive, sans-serif', 'Impact, Charcoal, sans-serif', '"Lucida Sans Unicode", "Lucida Grande", sans-serif', 'Tahoma, Geneva, sans-serif', '"Trebuchet MS", Helvetica, sans-serif', 'Verdana, Geneva, sans-serif', '"Courier New", Courier, monospace', '"Lucida Console", Monaco, monospace' ); private $custom_fonts = array(); private $google_font_last_update = 20171123; private $google_font_key = array( 'last-update' => 'gdlr_core_google_font_last_update', 'list' => 'gdlr_core_google_font_list', 'link-list' => 'gdlr_core_google_font_link_list', 'option-list' => 'gdlr_core_google_font_option_list', 'used-font' => 'gdlr_core_google_font_used', 'front-end' => 'gdlr_core_google_font_enqueue', ); private $google_fonts = array(); // is an option list private $all_option_list; function __construct(){ // update_option($this->google_font_key['last-update'], 0); // initiate the google font if( get_option($this->google_font_key['last-update'], 0) < $this->google_font_last_update ){ update_option($this->google_font_key['last-update'], $this->google_font_last_update); $fs = new gdlr_core_file_system(); $google_fonts = json_decode($fs->read(GDLR_CORE_LOCAL . '/framework/function/google-font.txt'), true); update_option($this->google_font_key['list'], $google_fonts); $option_list = ''; $link_list = array(); foreach($google_fonts as $font_family => $font_options ){ $option_list .= '<option value="' . esc_attr($font_family) . '" >' . esc_html($font_family) . '</option>'; $link_list[$font_family] = $this->get_google_font_link($font_family); } update_option($this->google_font_key['option-list'], $option_list); update_option($this->google_font_key['link-list'], $link_list); } // initiate custom font $this->custom_fonts = apply_filters('gdlr_core_custom_uploaded_font', array()); } // get option list to use in select box function get_option_list( $value ){ if( empty($this->all_option_list) ){ $this->all_option_list = ''; if( !empty($this->custom_fonts) ){ $this->all_option_list .= '<option disabled >' . esc_html__('=== Custom Font ===', 'goodlayers-core') . '</option>'; foreach($this->custom_fonts as $font_family => $font_options ){ if( !empty($font_options['name']) ){ $font_family = $font_options['name']; } if( empty($font_options['varient']) ){ $this->all_option_list .= '<option value="' . esc_attr($font_family) . '" >' . esc_html($font_family) . '</option>'; } } } if( !empty($this->web_safe_font_list) ){ $this->all_option_list .= '<option disabled >' . esc_html__('=== Web Safe Font ===', 'goodlayers-core') . '</option>'; foreach($this->web_safe_font_list as $font_family ){ $this->all_option_list .= '<option value="' . esc_attr($font_family) . '" >' . esc_html($font_family) . '</option>'; } } $google_option_list = $this->get_google_font('option-list'); if( !empty($google_option_list) ){ $this->all_option_list .= '<option disabled >' . esc_html__('=== Google Font ===', 'goodlayers-core') . '</option>'; $this->all_option_list .= $google_option_list; } } $keywords = 'value="' . esc_attr($value) . '"'; return str_replace($keywords, $keywords . 'selected', $this->all_option_list); } // get all font list to admin panel area function get_font_family_css( $font_family ){ $this->get_google_font('list'); if( !empty($this->google_fonts['list'][$font_family]) ){ return "\"{$font_family}\", " . $this->google_fonts['list'][$font_family]['category']; }else{ if( strpos($font_family, ',') >= 0 \|\| strpos($font_family, '"') >= 0 ){ return "{$font_family}"; }else{ return "\"{$font_family}\""; } } return $font_family; } ///////////////////////// // custom font section ///////////////////////// // get custom font face for css styling function get_custom_fontface( $font_family = '' ){ $ret = ''; if( !empty($this->custom_fonts) ){ if( empty($font_family) ){ $used_font = $this->get_google_font('used-font'); foreach( $this->custom_fonts as $font_name => $font_option ){ if( !empty($font_option['name']) ){ $font_name = $font_option['name']; } if( isset($used_font[$font_name]) ){ $ret .= '@font-face {' . "\n"; $ret .= 'font-family: "' . $font_name . '";' . "\n"; $ret .= 'src: url("' . $font_option['eot'] . '");' . "\n"; $ret .= 'src: url("' . $font_option['eot'] . '?#iefix") format("embedded-opentype"), ' . "\n"; $ret .= 'url("' . $font_option['ttf'] . '") format("truetype");' . "\n"; $ret .= 'font-weight: ' . (empty($font_option['font-weight'])? 'normal': $font_option['font-weight']) . ';' . "\r\n"; $ret .= 'font-style: normal;' . "\r\n"; $ret .= '}' . "\n"; } } }else if( !empty($this->custom_fonts[$font_family] ) ){ $ret .= '@font-face {' . "\n"; $ret .= 'font-family: "' . $font_family . '";' . "\n"; $ret .= 'src: url("' . $this->custom_fonts[$font_family]['eot'] . '");' . "\n"; $ret .= 'src: url("' . $this->custom_fonts[$font_family]['eot'] . '?#iefix") format("embedded-opentype"), ' . "\n"; $ret .= 'url("' . $this->custom_fonts[$font_family]['ttf'] . '") format("truetype");' . "\n"; $ret .= 'font-weight: normal;' . "\r\n"; $ret .= 'font-style: normal;' . "\r\n"; $ret .= '}' . "\n"; } } return $ret; } ///////////////////////// // google font section ///////////////////////// // get google font from type function get_google_font( $type ){ if( empty($this->google_fonts[$type]) ){ $this->google_fonts[$type] = get_option($this->google_font_key[$type], array()); } return $this->google_fonts[$type]; } // return a link to embed google font function get_google_font_link( $font_family ){ $this->get_google_font('list'); if( !empty($font_family) ){ // multiple fonts if( is_array($font_family) ){ $font_style = ''; $font_subset = array(); foreach( $font_family as $font_name => $value ){ if( !empty($this->google_fonts['list'][$font_name]) ){ $font_style .= empty($font_style)? '': '\|'; $font_style .= str_replace(' ', '+' , $font_name) . ':'; $font_style .= implode(',', $this->google_fonts['list'][$font_name]['variants']); $font_subset = array_merge($font_subset, $this->google_fonts['list'][$font_name]['subsets']); } } if( !empty($font_style) ){ $font_style .= '&subset=' . implode(',', array_unique($font_subset)); } // single font }else if( !empty($this->google_fonts['list'][$font_family]) ){ $font_style = str_replace(' ', '+' , $font_family) . ':'; $font_style .= implode(',', $this->google_fonts['list'][$font_family]['variants']) . ':&subset='; $font_style .= implode(',', $this->google_fonts['list'][$font_family]['subsets']); } if( !empty($font_style) ){ return 'https://fonts.googleapis.com/css?family=' . $font_style; } } return ''; } // google font enqueue for front end function google_font_enqueue(){ $google_front_end = $this->get_google_font('front-end'); if( !empty($google_front_end) ){ wp_enqueue_style('gdlr-core-google-font', $google_front_end); } } function update_used_font($use_lists){ if( !empty($use_lists) ){ $font_url = $this->get_google_font_link( $use_lists ); update_option($this->google_font_key['front-end'], $font_url); update_option($this->google_font_key['used-font'], $use_lists); }else{ delete_option($this->google_font_key['front-end']); } } function set_used_font($use_lists){ // for customize refresh if( !empty($use_lists) ){ $font_url = $this->get_google_font_link( $use_lists ); $this->google_fonts['front-end'] = $font_url; } } } // gdlr_core_font_loader } // class_exists // create a custom page use to display font if( !function_exists('gdlr_core_get_font_display_page') ){ function gdlr_core_get_font_display_page(){ return admin_url('?gdlr_core_font_display'); } } if( is_admin() ){ add_action('init', 'gdlr_core_create_font_display_page'); } if( !function_exists('gdlr_core_create_font_display_page') ){ function gdlr_core_create_font_display_page(){ if( isset($_GET['gdlr_core_font_display']) && !empty($_GET['font-family']) ){ $string = esc_html__('Sample Text', 'goodlayers-core'); global $gdlr_core_font_loader; if( empty($gdlr_core_font_loader) ){ $gdlr_core_font_loader = new gdlr_core_font_loader(); } $font_url = $gdlr_core_font_loader->get_google_font_link($_GET['font-family']); ?> <!DOCTYPE html> <html> <head><?php if( !empty($font_url) ){ echo '<link rel="stylesheet" href="' . esc_url($font_url) . '" >'; } ?><style><?php if( empty($font_url) ){ echo gdlr_core_escape_content($gdlr_core_font_loader->get_custom_fontface($_GET['font-family'])); } ?>html, body, input{ height: 100%; box-sizing: border-box; -moz-box-sizing: border-box; -webkit-box-sizing: border-box; } body{ margin: 0px; padding: 0px; overflow: hidden; } input{ width: 100%; padding: 0px 18px; margin: 0px; font-size: 20px; font-weight: bold; text-align: left; color: #3E3E3E; line-height: 60px; border: none; font-family: <?php echo gdlr_core_escape_content($_GET['font-family']); ?>; } input:focus{ outline: none; box-shadow: none; -moz-box-shadow: none; -webkit-box-shadow: none; } </style> </head> <body> <input value="<?php echo esc_attr($string); ?>" /> </body> </html> <?php exit(); } } } //////////////////////////////////////////////////////////////////////////////////////////////// // update google font list // to obtain api key, see -> https://developers.google.com/fonts/docs/developer_api //////////////////////////////////////////////////////////////////////////////////////////////// // $file_stream = @fopen(GDLR_CORE_LOCAL . '/framework/function/google-font.txt', 'w'); // $google_font_data = json_decode(file_get_contents('https://www.googleapis.com/webfonts/v1/webfonts?key=AIzaSyCTCFDIsOiwQK9eEo5RO3Q26JTpDQrW2V8'), true); // $google_fonts = array(); // foreach( $google_font_data['items'] as $google_font ){ // $google_fonts[$google_font['family']] = array( // 'subsets' => $google_font['subsets'], // 'variants' => $google_font['variants'], // 'category' => $google_font['category'] // ); // } // fwrite($file_stream, json_encode($google_fonts)); // fclose($file_stream); ////////////////////////////////////////////////////////////////////////////////////////////////

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