| @@ -1,257 +1,362 @@ | ||
| 1 | 1 | <?php |
| 2 | +defined('WPINC') OR exit; | |
| 3 | + | |
| 2 | 4 | /* |
| 3 | -Plugin Name: Document Gallery | |
| 4 | -Description: Display non-images in gallery format on page. | |
| 5 | -Version: 1.0 | |
| 6 | -Author: Dan Rossiter | |
| 7 | -Author URI: http://danrossiter.org/ | |
| 8 | -License: GPL2 | |
| 9 | -*/ | |
| 5 | + Plugin Name: Document Gallery | |
| 6 | + Plugin URI: http://wordpress.org/extend/plugins/document-gallery/ | |
| 7 | + Description: Display non-images (and images) in gallery format on a page or post with the [dg] shortcode. | |
| 8 | + Version: 2.2.6 | |
| 9 | + Author: Dan Rossiter | |
| 10 | + Author URI: http://danrossiter.org/ | |
| 11 | + License: GPLv2 | |
| 12 | + Text Domain: document-gallery | |
| 13 | + */ | |
| 10 | 14 | |
| 11 | -define( 'DG_URL', plugin_dir_url().'document-gallery/' ); | |
| 15 | +define('DG_VERSION', '2.2.6'); | |
| 12 | 16 | |
| 13 | -// CREATE GALLERY STRING // | |
| 14 | -function dg_get_attachment_icons($atts) { | |
| 15 | - extract( shortcode_atts( array( | |
| 16 | - 'descriptions' => FALSE, | |
| 17 | - 'echo' => FALSE, | |
| 18 | - 'orderby' => 'menu_order', | |
| 19 | - 'order' => 'ASC' | |
| 20 | - ), $atts) ); | |
| 21 | - | |
| 22 | - $args = array( | |
| 23 | - 'numberposts' => -1, | |
| 24 | - 'orderby' => $orderby, | |
| 25 | - 'order' => $order, | |
| 26 | - 'post_type' => 'attachment', | |
| 27 | - 'post_mime_type' => 'application,video,text,audio', | |
| 28 | - 'post_parent' => get_the_ID() ); | |
| 29 | - | |
| 30 | - if ( $attachments = get_posts($args) ) { | |
| 31 | - $attachment_str = array( '<!-- GENERATED USING DOCUMENT GALLERY'.PHP_EOL. | |
| 32 | - ' http://wordpress.org/extend/plugins/document-gallery -->'.PHP_EOL ); | |
| 17 | +// define helper paths & URLs | |
| 18 | +define('DG_BASENAME', plugin_basename(__FILE__)); | |
| 19 | +define('DG_URL', plugin_dir_url(__FILE__)); | |
| 20 | +define('DG_PATH', plugin_dir_path(__FILE__)); | |
| 21 | +define('DG_WPINC_PATH', ABSPATH . WPINC . '/'); | |
| 22 | +define('DG_WPADMIN_PATH', ABSPATH . 'wp-admin/'); | |
| 33 | 23 | |
| 34 | - if($descriptions) { | |
| 35 | - $attachment_str[] = '<table id="document-icon-wrapper">'; | |
| 36 | - } else { | |
| 37 | - $attachment_str[] = '<div id="document-icon-wrapper">'; | |
| 38 | - } | |
| 24 | +// init DG options for use throughout plugin | |
| 25 | +global $dg_options; | |
| 26 | +define('DG_OPTION_NAME', 'document_gallery'); | |
| 27 | +$dg_options = get_option(DG_OPTION_NAME, null); | |
| 39 | 28 | |
| 40 | - $count = 0; | |
| 41 | - foreach( $attachments as $attachment ) { //setup array for more than one file attachment | |
| 42 | - $url = wp_get_attachment_url( $attachment->ID ); | |
| 43 | - $title = wp_get_attachment_link( $attachment->ID ); | |
| 44 | - $icon = dg_get_attachment_icon( $attachment->ID, $tile, $url ); | |
| 45 | - | |
| 46 | - if($descriptions) { | |
| 47 | - $attachment_str[] = '<tr><td class="document-icon">'; | |
| 48 | - } else { | |
| 49 | - $attachment_str[] = '<div class="document-icon">'; | |
| 50 | - } | |
| 29 | +// logging functionality | |
| 30 | +include_once DG_PATH . 'inc/class-logger.php'; | |
| 51 | 31 | |
| 52 | - $attachment_str[] = "<a href=\"$url\">$icon</a><br><a href=\"$url\">$title</a>"; | |
| 32 | +// handle activation, updates, and uninstallation | |
| 33 | +include_once DG_PATH . 'inc/class-setup.php'; | |
| 34 | +register_activation_hook(__FILE__, array('DG_Setup', 'activate')); | |
| 35 | +add_action('wpmu_new_blog', array('DG_Setup','activateNewBlog')); | |
| 36 | +register_uninstall_hook(__FILE__, array('DG_Setup', 'uninstall')); | |
| 37 | +DG_Setup::maybeUpdate(); | |
| 53 | 38 | |
| 54 | - if($descriptions) { | |
| 55 | - $attachment_str[] = "</td><td valign=\"top\"><p>$attachment->post_content</p></td></tr>"; | |
| 56 | - } else { | |
| 57 | - $attachment_str[] = '</div>'; | |
| 58 | - if( ++$count % 4 == 0 ) { | |
| 59 | - $attachment_str[] = '<hr>'; | |
| 60 | - } | |
| 61 | - } | |
| 62 | - } // end looping attachments | |
| 39 | +// validate options if desired | |
| 40 | +if ($dg_options['validation']) { | |
| 41 | + add_action('init', array('DocumentGallery', 'addValidation')); | |
| 42 | +} | |
| 63 | 43 | |
| 64 | - // close #document-icon-wrapper | |
| 65 | - if($descriptions) { | |
| 66 | - $attachment_str[] = '</table>'; | |
| 67 | - } else { | |
| 68 | - $attachment_str[] = '</div>'; | |
| 69 | - } | |
| 44 | +// I18n | |
| 45 | +add_action('plugins_loaded', array('DocumentGallery', 'loadTextDomain')); | |
| 70 | 46 | |
| 71 | - // join array & return | |
| 72 | - $attachment_str = implode( '', $attachment_str ); | |
| 73 | - return $attachment_str; | |
| 74 | - } // end if attachments | |
| 75 | - | |
| 76 | - return '<!-- Document Gallery: No attachments to display. -->'.PHP_EOL; | |
| 47 | +// cleanup cached data when thumbed attachment deleted | |
| 48 | +include_once DG_PATH . 'inc/class-thumber.php'; | |
| 49 | +add_action('delete_attachment', array('DG_Thumber', 'deleteThumbMeta')); | |
| 50 | + | |
| 51 | +if (is_admin()) { | |
| 52 | + // admin house keeping | |
| 53 | + include_once DG_PATH . 'admin/class-admin.php'; | |
| 54 | + | |
| 55 | + // add settings link | |
| 56 | + add_filter('plugin_action_links_' . DG_BASENAME, array('DG_Admin', 'addSettingsLink')); | |
| 57 | + | |
| 58 | + // build options page | |
| 59 | + add_action('admin_menu', array('DG_Admin', 'addAdminPage')); | |
| 60 | + if (DG_Admin::doRegisterSettings()) { | |
| 61 | + add_action('admin_init', array('DG_Admin', 'registerSettings')); | |
| 62 | + } | |
| 63 | +} else { | |
| 64 | + // styling for gallery | |
| 65 | + if (empty($dg_options['css']['text'])) { | |
| 66 | + add_action('wp_enqueue_scripts', array('DocumentGallery', 'enqueueGalleryStyle')); | |
| 67 | + } else { | |
| 68 | + add_action('template_redirect', array('DocumentGallery', 'buildCustomCss')); | |
| 69 | + add_action('wp_enqueue_scripts', array('DocumentGallery', 'enqueueCustomStyle')); | |
| 70 | + add_filter('query_vars', array('DocumentGallery', 'addCustomStyleQueryVar')); | |
| 71 | + } | |
| 77 | 72 | } |
| 78 | -add_shortcode('document gallery', 'dg_get_attachment_icons'); | |
| 79 | -add_shortcode('dg', 'dg_get_attachment_icons'); | |
| 80 | 73 | |
| 74 | +// adds 'dg' shortcode | |
| 75 | +add_shortcode('dg', array('DocumentGallery', 'doShortcode')); | |
| 81 | 76 | |
| 82 | -// ADD SOME STYLING // | |
| 83 | -function dg_add_header_css() { | |
| 84 | - wp_enqueue_style( 'document-gallery-css', plugins_url('style.css', __FILE__) ); | |
| 85 | -} | |
| 86 | -add_action( 'wp_print_styles', 'dg_add_header_css'); | |
| 77 | +/** | |
| 78 | + * DocumentGallery wraps basic functionality to setup the plugin. | |
| 79 | + * | |
| 80 | + * @author drossiter | |
| 81 | + */ | |
| 82 | +class DocumentGallery { | |
| 87 | 83 | |
| 84 | + /** | |
| 85 | + * @var str Name of the query var used to check whether we should print custom CSS. | |
| 86 | + */ | |
| 87 | + private static $query_var = 'document-gallery-css'; | |
| 88 | 88 | |
| 89 | -// HELPERS // | |
| 89 | + /*========================================================================== | |
| 90 | + * THE SHORTCODE | |
| 91 | + *=========================================================================*/ | |
| 90 | 92 | |
| 91 | -// pass in $title & $url to avoid mult function calls | |
| 92 | -function dg_get_attachment_icon( $id, $title, $url ) { | |
| 93 | - $filename = basename( $url ); | |
| 94 | - $filetype = wp_check_filetype( $filename ); | |
| 93 | + /** | |
| 94 | + * Takes values passed from attributes and returns sutable HTML to represent | |
| 95 | + * all valid attachments requested. | |
| 96 | + * | |
| 97 | + * @param multitype:string $atts Arguments from the user. | |
| 98 | + * @return string HTML for the Document Gallery. | |
| 99 | + */ | |
| 100 | + public static function doShortcode($atts) { | |
| 101 | + include_once 'inc/class-gallery.php'; | |
| 95 | 102 | |
| 96 | - // identify extension | |
| 97 | - switch( $filetype['ext'] ) { | |
| 98 | - // Most Common First | |
| 99 | - case 'pdf': | |
| 100 | - $icon = 'pdf.png'; | |
| 101 | - break; | |
| 102 | - // MS Office | |
| 103 | - case 'doc': | |
| 104 | - case 'docx': | |
| 105 | - case 'docm': | |
| 106 | - case 'dotx': | |
| 107 | - case 'dotm': | |
| 108 | - $icon = 'msdoc.png'; | |
| 109 | - break; | |
| 110 | - case 'ppt': | |
| 111 | - case 'pot': | |
| 112 | - case 'pps': | |
| 113 | - case 'pptx': | |
| 114 | - case 'pptm': | |
| 115 | - case 'ppsx': | |
| 116 | - case 'ppsm': | |
| 117 | - case 'potx': | |
| 118 | - case 'potm': | |
| 119 | - case 'ppam': | |
| 120 | - case 'sldx': | |
| 121 | - case 'sldm': | |
| 122 | - $icon = 'msppt.png'; | |
| 123 | - break; | |
| 124 | - case 'xla': | |
| 125 | - case 'xls': | |
| 126 | - case 'xlt': | |
| 127 | - case 'xlw': | |
| 128 | - case 'xlsx': | |
| 129 | - case 'xlsm': | |
| 130 | - case 'xlsb': | |
| 131 | - case 'xltx': | |
| 132 | - case 'xltm': | |
| 133 | - case 'xlam': | |
| 134 | - $icon = 'msxls.png'; | |
| 135 | - break; | |
| 136 | - case 'mdb': | |
| 137 | - $icon = 'msaccess.png'; | |
| 138 | - break; | |
| 139 | - // Video formats | |
| 140 | - case 'avi': | |
| 141 | - $icon = 'avi.png'; | |
| 142 | - break; | |
| 143 | - case 'divx': | |
| 144 | - $icon = 'divx.png'; | |
| 145 | - break; | |
| 146 | - case 'flv': | |
| 147 | - $icon = 'flv.png'; | |
| 148 | - break; | |
| 149 | - case 'qt': | |
| 150 | - case 'mov': | |
| 151 | - $icon = 'mov.png'; | |
| 152 | - break; | |
| 153 | - case 'asf': | |
| 154 | - case 'asx': | |
| 155 | - case 'wax': | |
| 156 | - case 'wmv': | |
| 157 | - case 'wmx': | |
| 158 | - $icon = 'wmv.png'; | |
| 159 | - break; | |
| 160 | - case 'mkv': | |
| 161 | - $icon = 'mkv.png'; | |
| 162 | - break; | |
| 163 | - // Audio formats | |
| 164 | - case 'mp3': | |
| 165 | - $icon = 'mp3.png'; | |
| 166 | - break; | |
| 167 | - case 'wav': | |
| 168 | - $icon = 'wav.png'; | |
| 169 | - break; | |
| 170 | - case 'ogg': | |
| 171 | - case 'oga': | |
| 172 | - $icon = 'ogg.png'; | |
| 173 | - break; | |
| 174 | - case 'midi': | |
| 175 | - case 'mid': | |
| 176 | - $icon = 'midi.png'; | |
| 177 | - break; | |
| 178 | - case 'wma': | |
| 179 | - $icon = 'wma.png'; | |
| 180 | - break; | |
| 181 | - // Text formats | |
| 182 | - case 'rtx': | |
| 183 | - $icon = 'rtx.png'; | |
| 184 | - break; | |
| 185 | - case 'ics': | |
| 186 | - $icon = 'ics.png'; | |
| 187 | - break; | |
| 188 | - case 'csv': | |
| 189 | - $icon = 'csv.png'; | |
| 190 | - break; | |
| 191 | - // Msc application formats | |
| 192 | - case 'html': | |
| 193 | - case 'htm': // death to all who use this! | |
| 194 | - $icon = 'html.png'; | |
| 195 | - break; | |
| 196 | - case 'css': | |
| 197 | - $icon = 'css.png'; | |
| 198 | - break; | |
| 199 | - case 'js': | |
| 200 | - $icon = 'javascript.png'; | |
| 201 | - break; | |
| 202 | - case 'class': | |
| 203 | - $icon = 'java.png'; | |
| 204 | - break; | |
| 205 | - case 'zip': | |
| 206 | - $icon = 'zip.png'; | |
| 207 | - break; | |
| 208 | - case 'tar': | |
| 209 | - case 'gzip': | |
| 210 | - case 'gz': | |
| 211 | - case 'bz2': // not yet WP-supported | |
| 212 | - case 'tgz': // not yet WP-supported | |
| 213 | - $icon = 'compressed.png'; | |
| 214 | - break; | |
| 215 | - case 'rar': // RAWR!!! | |
| 216 | - $icon = 'rar.png'; | |
| 217 | - break; | |
| 218 | - case '7z': | |
| 219 | - $icon = '7zip.png'; | |
| 220 | - break; | |
| 221 | - case 'exec': | |
| 222 | - $icon = 'exec.png'; | |
| 223 | - break; | |
| 224 | - case 'rtf': | |
| 225 | - $icon = 'rtf.png'; | |
| 226 | - break; | |
| 227 | - case 'swf': | |
| 228 | - $icon = 'shockwave.png'; | |
| 229 | - break; | |
| 230 | - // OpenOffice formats | |
| 231 | - case 'odt': | |
| 232 | - $icon = 'opendocument-text.png'; | |
| 233 | - break; | |
| 234 | - case 'odp': | |
| 235 | - $icon = 'opendocument-presentation.png'; | |
| 236 | - break; | |
| 237 | - case 'ods': | |
| 238 | - $icon = 'opendocument-spreadsheet.png'; | |
| 239 | - break; | |
| 240 | - case 'odg': | |
| 241 | - $icon = 'opendocument-graphics.png'; | |
| 242 | - break; | |
| 243 | - case 'odb': | |
| 244 | - $icon = 'opendocument-database.png'; | |
| 245 | - break; | |
| 246 | - case 'odf': | |
| 247 | - $icon = 'opendocument-formula.png'; | |
| 248 | - break; | |
| 249 | - // fallback to default icons if not recognized | |
| 250 | - default: | |
| 251 | - return get_attachment_icon( $id ); | |
| 252 | - } | |
| 103 | + $start = microtime(true); | |
| 104 | + $gallery = (string)new DG_Gallery($atts); | |
| 105 | + DG_Logger::writeLog(DG_LogLevel::Detail, 'Generation Time: ' . sprintf('%.2f', (microtime(true) - $start)) . ' s'); | |
| 253 | 106 | |
| 254 | - $icon = '<img src="'.DG_URL.'icons/'.$icon."\" title=\"$title\" alt=\"$title\"/>"; | |
| 255 | - return $icon; | |
| 107 | + return $gallery; | |
| 108 | + } | |
| 109 | + | |
| 110 | + /** | |
| 111 | + * Enqueue standard DG CSS. | |
| 112 | + */ | |
| 113 | + public static function enqueueGalleryStyle() { | |
| 114 | + wp_enqueue_style('document-gallery', DG_URL . 'assets/css/style.css', null, DG_VERSION); | |
| 115 | + } | |
| 116 | + | |
| 117 | + /** | |
| 118 | + * Enqueue user's custom DG CSS. | |
| 119 | + */ | |
| 120 | + public static function enqueueCustomStyle() { | |
| 121 | + global $dg_options; | |
| 122 | + wp_register_style('document-gallery', add_query_arg(self::$query_var, 1, home_url('/')), | |
| 123 | + null, DG_VERSION . ':' . $dg_options['css']['version']); | |
| 124 | + wp_enqueue_style('document-gallery'); | |
| 125 | + } | |
| 126 | + | |
| 127 | + /** | |
| 128 | + * Add query custom CSS query string. | |
| 129 | + * Taken from here: http://ottopress.com/2010/dont-include-wp-load-please/ | |
| 130 | + * @param multitype:string $vars Variables to be added. | |
| 131 | + * @return multitype:string All variables to be included in query string. | |
| 132 | + */ | |
| 133 | + public static function addCustomStyleQueryVar($vars) { | |
| 134 | + $vars[] = self::$query_var; | |
| 135 | + return $vars; | |
| 136 | + } | |
| 137 | + | |
| 138 | + /** | |
| 139 | + * Constructs user's custom CSS dynamically, then instructs | |
| 140 | + * browser to cache for a year. Cache is busted by versioning | |
| 141 | + * CSS any time the user makes a change. | |
| 142 | + */ | |
| 143 | + public static function buildCustomCss() { | |
| 144 | + if (1 == intval(get_query_var(self::$query_var))) { | |
| 145 | + global $dg_options; | |
| 146 | + | |
| 147 | + header('Content-type: text/css'); | |
| 148 | + header('Cache-Control: no-transform,public,maxage=' . 31536000); | |
| 149 | + header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 31536000) . ' GMT'); | |
| 150 | + header('Last-Modified: ' . $dg_options['css']['last-modified']); | |
| 151 | + header('ETag: ' . $dg_options['css']['etag']); | |
| 152 | + | |
| 153 | + echo $dg_options['css']['minified']; | |
| 154 | + exit; | |
| 155 | + } | |
| 156 | + } | |
| 157 | + | |
| 158 | + /*========================================================================== | |
| 159 | + * I18n | |
| 160 | + *=========================================================================*/ | |
| 161 | + | |
| 162 | + /** | |
| 163 | + * Loads language files into WP core. | |
| 164 | + */ | |
| 165 | + public static function loadTextDomain() { | |
| 166 | + load_plugin_textdomain('document-gallery', false, dirname(DG_BASENAME) . '/languages/'); | |
| 167 | + } | |
| 168 | + | |
| 169 | + /*========================================================================== | |
| 170 | + * HELPER FUNCTIONS | |
| 171 | + *=========================================================================*/ | |
| 172 | + | |
| 173 | + /** | |
| 174 | + * @param int $blog ID of the blog to be retrieved in multisite env. | |
| 175 | + * @return multitype:unknown Options for the blog. | |
| 176 | + */ | |
| 177 | + public static function getOptions($blog = null) { | |
| 178 | + global $dg_options; | |
| 179 | + return is_null($blog) | |
| 180 | + ? $dg_options | |
| 181 | + : get_blog_option($blog, DG_OPTION_NAME, null); | |
| 182 | + } | |
| 183 | + | |
| 184 | + /** | |
| 185 | + * @param multitype:unknown $options | |
| 186 | + * @param int $blog ID of the blog to be set in multisite env. | |
| 187 | + */ | |
| 188 | + public static function setOptions($options, $blog = null) { | |
| 189 | + if (is_null($blog)) { | |
| 190 | + global $dg_options; | |
| 191 | + update_option(DG_OPTION_NAME, $options); | |
| 192 | + $dg_options = $options; | |
| 193 | + } else { | |
| 194 | + update_blog_option($blog, DG_OPTION_NAME, $options); | |
| 195 | + } | |
| 196 | + } | |
| 197 | + | |
| 198 | + /** | |
| 199 | + * @param int $blog ID of the blog to be deleted in multisite env. | |
| 200 | + */ | |
| 201 | + public static function deleteOptions($blog = null) { | |
| 202 | + if (is_null($blog)) { | |
| 203 | + delete_option(DG_OPTION_NAME); | |
| 204 | + } else { | |
| 205 | + delete_blog_option($blog, DG_OPTION_NAME); | |
| 206 | + } | |
| 207 | + } | |
| 208 | + | |
| 209 | + /** | |
| 210 | + * Adds hook to validate DG options every time save is attempted. | |
| 211 | + */ | |
| 212 | + public static function addValidation() { | |
| 213 | + add_filter('pre_update_option_' . DG_OPTION_NAME, array('DocumentGallery', 'validateOptionsStructure'), 10, 2); | |
| 214 | + } | |
| 215 | + | |
| 216 | + /** | |
| 217 | + * Checks whether the given options match the option schema. | |
| 218 | + * @param multivar $new The new options to be validated. | |
| 219 | + * @param multivar $old The old options. | |
| 220 | + * @return array The options to be saved. | |
| 221 | + */ | |
| 222 | + public static function validateOptionsStructure($new, $old) { | |
| 223 | + if (self::isValidOptionsStructure($new)) { | |
| 224 | + $ret = $new; | |
| 225 | + } else { | |
| 226 | + $ret = $old; | |
| 227 | + DG_Logger::writeLog(DG_LogLevel::Error, 'Attempted to save invalid options.' . PHP_EOL . print_r($new, true), true, true); | |
| 228 | + } | |
| 229 | + | |
| 230 | + return $ret; | |
| 231 | + } | |
| 232 | + | |
| 233 | + /** | |
| 234 | + * @param multivar|unknown $o The options structure to validate. | |
| 235 | + * @param multivar $schema The schema to validate against (note that only keys matter -- non-array values are ignored). | |
| 236 | + * @return bool Whether the given options structure matches the schema. | |
| 237 | + */ | |
| 238 | + private static function isValidOptionsStructure($o, $schema = null) { | |
| 239 | + if (is_null($schema)) { | |
| 240 | + include_once DG_PATH . 'inc/class-setup.php'; | |
| 241 | + $schema = DG_Setup::getDefaultOptions(true); | |
| 242 | + } | |
| 243 | + | |
| 244 | + // simple checks first | |
| 245 | + $valid = is_array($o) && (count($schema) === count($o)); | |
| 246 | + | |
| 247 | + if ($valid) { | |
| 248 | + foreach ($schema as $sk => $sv) { | |
| 249 | + $valid = array_key_exists($sk, $o); | |
| 250 | + if (is_array($sv) && !empty($sv)) { | |
| 251 | + $valid = $valid && self::isValidOptionsStructure($o[$sk], $sv); | |
| 252 | + } | |
| 253 | + | |
| 254 | + if (!$valid) { | |
| 255 | + break; | |
| 256 | + } | |
| 257 | + } | |
| 258 | + } | |
| 259 | + | |
| 260 | + return $valid; | |
| 261 | + } | |
| 262 | + | |
| 263 | + /** | |
| 264 | + * Function takes a GMT timestamp and returns a date/time string in the | |
| 265 | + * current timezone and WP format. | |
| 266 | + * @param int $timestamp The GMT timestamp to translate. | |
| 267 | + * @return string The local time in the WP date/time format. | |
| 268 | + */ | |
| 269 | + public static function localDateTimeFromTimestamp($timestamp) { | |
| 270 | + static $gmt_offet = null; | |
| 271 | + static $wp_format = null; | |
| 272 | + if (is_null($gmt_offet)) { | |
| 273 | + $gmt_offet = get_option('gmt_offset'); | |
| 274 | + $wp_format = get_option('date_format').' '.get_option('time_format'); | |
| 275 | + } | |
| 276 | + | |
| 277 | + return date($wp_format, $timestamp + $gmt_offet * 3600); | |
| 278 | + } | |
| 279 | + | |
| 280 | + /** | |
| 281 | + * Compiles any custom CSS plus the default CSS together, | |
| 282 | + * minifying in the process. | |
| 283 | + * @param string $custom The custom CSS to compile. | |
| 284 | + * @return string Compiled CSS, including both standard and any custom. | |
| 285 | + */ | |
| 286 | + public static function compileCustomCss($custom) { | |
| 287 | + $css = file_get_contents(DG_PATH . 'assets/css/style.css'); | |
| 288 | + $css .= str_replace('>', '>', esc_html($custom)); | |
| 289 | + | |
| 290 | + return $css; | |
| 291 | + } | |
| 292 | + | |
| 293 | + /** | |
| 294 | + * Removes all comments & space from CSS string. | |
| 295 | + * Source: http://stackoverflow.com/a/15195752/866618 | |
| 296 | + */ | |
| 297 | + private static function minifyCss($css) { | |
| 298 | + # remove comments first (simplifies the other regex) | |
| 299 | + $re1 = <<<EOS | |
| 300 | +(?sx) | |
| 301 | + # quotes | |
| 302 | + ( | |
| 303 | + "(?:[^"\\]++|\\.)*+" | |
| 304 | + | '(?:[^'\\]++|\\.)*+' | |
| 305 | + ) | |
| 306 | +| | |
| 307 | + # comments | |
| 308 | + /\* (?> .*? \*/ ) | |
| 309 | +EOS; | |
| 310 | + | |
| 311 | + $re2 = <<<EOS | |
| 312 | +(?six) | |
| 313 | + # quotes | |
| 314 | + ( | |
| 315 | + "(?:[^"\\]++|\\.)*+" | |
| 316 | + | '(?:[^'\\]++|\\.)*+' | |
| 317 | + ) | |
| 318 | +| | |
| 319 | + # ; before } (and the spaces after it while we're here) | |
| 320 | + \s*+ ; \s*+ ( } ) \s*+ | |
| 321 | +| | |
| 322 | + # all spaces around meta chars/operators | |
| 323 | + \s*+ ( [*$~^|]?+= | [{};,>~+-] | !important\b ) \s*+ | |
| 324 | +| | |
| 325 | + # spaces right of ( [ : | |
| 326 | + ( [[(:] ) \s++ | |
| 327 | +| | |
| 328 | + # spaces left of ) ] | |
| 329 | + \s++ ( [])] ) | |
| 330 | +| | |
| 331 | + # spaces left (and right) of : | |
| 332 | + \s++ ( : ) \s*+ | |
| 333 | + # but not in selectors: not followed by a { | |
| 334 | + (?! | |
| 335 | + (?> | |
| 336 | + [^{}"']++ | |
| 337 | + | "(?:[^"\\]++|\\.)*+" | |
| 338 | + | '(?:[^'\\]++|\\.)*+' | |
| 339 | + )*+ | |
| 340 | + { | |
| 341 | + ) | |
| 342 | +| | |
| 343 | + # spaces at beginning/end of string | |
| 344 | + ^ \s++ | \s++ \z | |
| 345 | +| | |
| 346 | + # double spaces to single | |
| 347 | + (\s)\s+ | |
| 348 | +EOS; | |
| 349 | + | |
| 350 | + $css = preg_replace("%$re1%", '$1', $css); | |
| 351 | + return preg_replace("%$re2%", '$1$2$3$4$5$6$7', $css); | |
| 352 | + } | |
| 353 | + | |
| 354 | + /** | |
| 355 | + * Blocks instantiation. All functions are static. | |
| 356 | + */ | |
| 357 | + private function __construct() { | |
| 358 | + | |
| 359 | + } | |
| 256 | 360 | } |
| 257 | -?> | |
| 361 | + | |
| 362 | +?> | |
