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<?php
/**
* Manage all the front end code for Cornerstone
* including shortcode styling and scripts
*/
class Cornerstone_Front_End extends Cornerstone_Plugin_Component {
public $dependencies = array( 'Inline_Scripts' );
/**
* Setup hooks
*/
public function setup() {
// Enqueue Scripts & Styles
add_action( 'wp_enqueue_scripts', array( $this, 'scripts' ) );
add_action( 'wp_enqueue_scripts', array( $this, 'styles' ) );
add_action( 'template_redirect', array( $this, 'postLoaded' ), 9998, 0 );
add_filter( 'get_the_excerpt', array( $this, 'maybe_supply_excerpt' ), 100 );
// Add Body Class
add_filter( 'body_class', array( $this, 'addBodyClass' ), 10002 );
add_filter( 'the_content', array( $this, 'cs_content_before_shortcodes' ), 10 );
add_shortcode( 'cs_content', array( $this, 'cs_content_shortcode' ) );
}
/**
* Enqueue Styles
*/
public function styles() {
if ( apply_filters( 'cornerstone_enqueue_styles', true ) ) {
wp_enqueue_style( 'cornerstone-shortcodes', $this->plugin->css( 'site/style' ), array(), $this->plugin->version() );
}
if ( apply_filters( 'cornerstone_legacy_font_classes', false ) ) {
wp_enqueue_style( 'x-fa-icon-classes', $this->plugin->css( 'site/fa-icon-classes' ), array(), $this->plugin->version() );
}
}
/**
* Enqueue Scripts
*/
public function scripts() {
wp_register_script( 'cornerstone-site-head', $this->plugin->js( 'site/cs-head' ), array( 'jquery' ), $this->plugin->version(), false );
wp_register_script( 'cornerstone-site-body', $this->plugin->js( 'site/cs-body' ), array( 'cornerstone-site-head' ), $this->plugin->version(), true );
wp_register_script( 'vendor-ilightbox', $this->url( 'assets/dist/js/site/vendor-ilightbox.min.js' ), array( 'jquery' ), $this->plugin->version(), true );
//wp_register_script( 'vendor-google-maps', 'https://maps.googleapis.com/maps/api/js?sensor=false', array( 'jquery' ) );
wp_enqueue_script( 'cornerstone-site-head' );
wp_enqueue_script( 'cornerstone-site-body' );
}
public function postLoaded() {
if ( apply_filters( '_cornerstone_front_end', true ) ) {
add_action( 'wp_head', array( $this, 'inlineStyles' ), 9998, 0 );
add_action( 'wp_footer', array( $this, 'inlineScripts' ) );
}
$inline_scripts = $this->plugin->component('Inline_Scripts');
add_action( 'wp_footer', array( $inline_scripts, 'output_scripts' ), 9998, 0 );
$this->postSettings = $this->plugin->common()->get_post_settings( get_the_ID() );
}
/**
* Add Body class from Cornerstone Version number
*/
public function addBodyClass( $classes ) {
$classes[] = 'cornerstone-v' . str_replace( '.', '_', $this->plugin->version() );
return $classes;
}
/**
* Load generated CSS output and place style tag in wp_head
*/
public function inlineStyles() {
ob_start();
if ( apply_filters( 'cornerstone_customizer_output', true ) ) {
echo '<style id="cornerstone-generated-css" type="text/css">';
$data = array_merge( $this->plugin->settings(), $this->plugin->common()->theme_integration_options() );
$this->view( 'frontend/styles', true, $data, true );
do_action( 'cornerstone_head_css' );
echo '</style>';
$custom_css = get_option( 'cs_v1_custom_css', '' );
if ( $custom_css ) {
echo '<style id="cornerstone-custom-css" type="text/css">' . $custom_css . '</style>';
}
}
if ( apply_filters( '_cornerstone_custom_css', isset( $this->postSettings['custom_css'] ) ) ) {
echo '<style id="cornerstone-custom-page-css" type="text/css">';
echo $this->postSettings['custom_css'];
do_action( 'cornerstone_custom_page_css' );
echo '</style>';
}
$css = ob_get_contents(); ob_end_clean();
//
// 1. Remove comments.
// 2. Remove whitespace.
// 3. Remove starting whitespace.
//
$output = preg_replace( '#/\*.*?\*/#s', '', $css ); // 1
$output = preg_replace( '/\s*([{}|:;,])\s+/', '$1', $output ); // 2
$output = preg_replace( '/\s\s+(.*)/', '$1', $output ); // 3
echo $output;
}
public function inlineScripts() {
$inline_scripts = $this->plugin->component('Inline_Scripts');
if ( apply_filters( 'cornerstone_customizer_output', true ) ) {
$custom_js = get_option( 'cs_v1_custom_js', '' );
if ( $custom_js ) {
$inline_scripts->add_script('cornerstone-custom-js', $custom_js );
}
}
if ( isset( $this->postSettings['custom_js_mini'] ) && $this->postSettings['custom_js_mini'] ) {
$inline_scripts->add_script('cornerstone-custom-page-js', $this->postSettings['custom_js_mini'] );
}
}
public function maybe_supply_excerpt( $excerpt ) {
if ( '' === $excerpt ) {
$post = get_post();
if ( CS()->common()->uses_cornerstone( $post ) ) {
$cs_excerpt = get_post_meta( $post->ID, '_cornerstone_excerpt', true );
if ( $cs_excerpt ) {
return wp_trim_words( $cs_excerpt, apply_filters( 'excerpt_length', 55 ), apply_filters( 'excerpt_more', ' […]' ) );
}
}
}
return $excerpt;
}
/**
* Cornerstone adds a wrapping [cs_content] shortcode.Run the content through
* cs_noemptyp if we know it was originally generated by Cornerstone.
* This cleans up any empty <p> tags. Next We'll manually replace this with
* our wrapping div since it's much faster than adding another layer of
* nested do_shortcode calls.
* @param string $content Early the_content. Before do_shortcode
* @return string the_content with empty <p> tags removed and wrapping div
*/
public function cs_content_before_shortcodes( $content ) {
if ( false !== strpos( $content, '[cs_content]' ) && false !== strpos( $content, '[/cs_content]' ) ) {
$content = cs_noemptyp( $content );
$content = str_replace( '[cs_content]', "<div id=\"cs-content\" class=\"cs-content\">", $content );
$content = str_replace( '[/cs_content]', '</div>', $content );
} else {
$content = str_replace( '[cs_content]', '', $content );
$content = str_replace( '[/cs_content]', '', $content );
}
return $content;
}
public function cs_content_shortcode( $atts, $content ) {
$content = do_shortcode( $content );
return "<div id=\"cs-content\" class=\"cs-content\">$content</div>";
}
}