mirror of
https://github.com/10h30/trestle.git
synced 2026-06-05 15:09:35 +09:00
MickeyKay
428 lines
13 KiB
PHP
428 lines
13 KiB
PHP
<?php
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/**
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* Trestle theme functions (front-end)
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*
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* Note: all admin theme functionality is located at: lib/admin/admin.php
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*
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* @since 1.0.0
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*
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* @package Trestle
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*/
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/*===========================================
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* Head Styles & Scripts
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===========================================*/
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add_action( 'wp_enqueue_scripts', 'trestle_header_actions' );
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/**
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* Loads theme scripts and styles.
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*
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* @since 1.0.0
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*/
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function trestle_header_actions() {
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// Google fonts
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wp_enqueue_style( 'theme-google-fonts', '//fonts.googleapis.com/css?family=Lato:300,400,700' );
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// Theme jQuery
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wp_enqueue_script( 'theme-jquery', get_stylesheet_directory_uri() . '/includes/js/theme-jquery.js', array( 'jquery' ), CHILD_THEME_VERSION, true );
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// Get WP uploads directory
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$upload_dir = wp_upload_dir();
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$upload_path = $upload_dir['basedir'];
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$upload_url = $upload_dir['baseurl'];
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// Custom CSS (if it exists)
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$custom_css_file = '/trestle/custom.css';
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if ( is_readable( $upload_path . $custom_css_file ) )
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wp_enqueue_style( 'trestle-custom-css', $upload_url . $custom_css_file );
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// Custom jQuery (if it exists)
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$custom_js_file = '/trestle/custom.js';
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if ( is_readable( $upload_path . $custom_js_file ) )
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wp_enqueue_script( 'trestle-custom-jquery', $upload_url . $custom_js_file, array( 'jquery' ), CHILD_THEME_VERSION, true );
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// Pass PHP variables to theme jQuery
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$php_vars = array (
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'trestle_equal_cols_breakpoint' => genesis_get_option( 'trestle_equal_cols_breakpoint' ),
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);
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wp_localize_script( 'theme-jquery', 'php_vars', $php_vars );
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}
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/*===========================================
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* Body Classes
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===========================================*/
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add_filter( 'body_class', 'trestle_body_classes' );
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/**
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* Adds custom classes to the <body> element for styling purposes.
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*
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* @since 1.0.0
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*
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* @param array $classes Body classes.
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* @return array Updated body classes.
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*/
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function trestle_body_classes( $classes ) {
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// Add 'no-jquery' class to be removed by jQuery if enabled
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$classes[] = 'no-jquery';
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// Add 'bubble' class
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if ( 'bubble' == genesis_get_option( 'trestle_layout' ) )
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$classes[] = 'bubble';
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// Add link icon classes
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if ( genesis_get_option( 'trestle_external_link_icons' ) )
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$classes[] = 'external-link-icons';
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if ( genesis_get_option( 'trestle_email_link_icons' ) )
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$classes[] = 'email-link-icons';
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if ( genesis_get_option( 'trestle_pdf_link_icons' ) )
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$classes[] = 'pdf-link-icons';
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if ( genesis_get_option( 'trestle_doc_link_icons' ) )
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$classes[] = 'doc-link-icons';
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// Add menu style class
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if ( genesis_get_option( 'trestle_nav_primary_location' ) )
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$classes[] = 'nav-primary-location-' . esc_attr( genesis_get_option( 'trestle_nav_primary_location' ) );
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// Add footer widget number class
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if ( genesis_get_option( 'trestle_footer_widgets_number' ) )
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$classes[] = 'footer-widgets-number-' . esc_attr( genesis_get_option( 'trestle_footer_widgets_number' ) );
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// Add class for equal height Genesis Extender columns
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if ( 1 == genesis_get_option( 'trestle_equal_height_cols' ) )
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$classes[] = 'equal-height-genesis-extender-cols';
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// Add logo class
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if ( genesis_get_option( 'trestle_logo_url' ) || genesis_get_option( 'trestle_logo_url_mobile' ) )
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$classes[] = 'has-logo';
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return $classes;
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}
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/*===========================================
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* Header
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===========================================*/
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add_filter( 'genesis_seo_title', 'trestle_do_logos', 10, 3 );
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/**
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* Output logos.
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*
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* @since 1.0.0
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*/
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function trestle_do_logos( $title, $inside, $wrap ) {
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$logo_url = genesis_get_option( 'trestle_logo_url' );
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$logo_url_mobile = genesis_get_option( 'trestle_logo_url_mobile' );
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$logo_html = '';
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// Regular logo
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if ( $logo_url ) {
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// Default logo class
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$classes = array('logo-full');
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// If no mobile logo is specified, make regular logo act as mobile logo too
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if( ! $logo_url_mobile )
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$classes[] = 'show';
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$logo_html .= sprintf( '<img class="logo %s" alt="%s" src="%s" />',
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implode(' ', $classes),
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esc_attr( get_bloginfo( 'name' ) ),
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$logo_url
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);
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}
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// Mobile logo
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if ( $logo_url_mobile ) {
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// Default mobile logo class
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$classes = array('logo-mobile');
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// If no regular logo is specified, make mobile logo act as regular logo too
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if( ! $logo_url )
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$classes[] = 'show';
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$logo_html .= sprintf( '<img class="logo %s" alt="%s" src="%s" />',
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implode(' ', $classes),
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esc_attr( get_bloginfo( 'name' ) ),
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$logo_url_mobile
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);
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}
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if ( $logo_html ) {
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$inside .= sprintf( '<a href="%s" title="%s">%s</a>',
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trailingslashit( home_url() ),
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esc_attr( get_bloginfo( 'name' ) ),
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$logo_html
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);
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}
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//* Build the title
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$title = genesis_html5() ? sprintf( "<{$wrap} %s>", genesis_attr( 'site-title' ) ) : sprintf( '<%s id="title">%s</%s>', $wrap, $inside, $wrap );
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$title .= genesis_html5() ? "{$inside}</{$wrap}>" : '';
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//* Echo (filtered)
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return $title;
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}
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/*===========================================
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* Navigation
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===========================================*/
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add_action( 'init', 'trestle_nav_modifications' );
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/**
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* Performs modifications to the primary navigation menu
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*
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* @since 1.0.0
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*
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* @see trestle_add_mobile_nav()
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* @see trestle_auto_nav_items()
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* @see trestle_custom_nav_extras()
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* @see trestle_nav_placeholder()
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*/
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function trestle_nav_modifications() {
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global $trestle_nav_title;
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// Set title for Trestle placeholder navigation menu
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$trestle_nav_title = __( 'Trestle Auto Nav Placeholder', 'trestle' );
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// Auto-generate nav if Genesis theme setting is checked
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if ( 1 == genesis_get_option( 'trestle_auto_nav' ) ) {
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add_filter( 'wp_nav_menu_items', 'trestle_auto_nav_items', 9, 2 );
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}
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// Do custom nav extras
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if ( 1 == genesis_get_option( 'trestle_custom_nav_extras' ) ) {
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// Remove default nav extras
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remove_filter( 'wp_nav_menu_items', 'genesis_nav_right' );
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// Add custom nav extras
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add_filter( 'wp_nav_menu_items', 'trestle_custom_nav_extras', 10, 2 );
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}
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// Create placeholder navigation menu object if needed
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trestle_nav_placeholder();
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}
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add_action( 'init', 'trestle_nav_primary_location' );
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/**
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* Move primary navigation into the header if need be.
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*
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* @since 1.2.0
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*/
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function trestle_nav_primary_location() {
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if ( 'header' == genesis_get_option( 'trestle_nav_primary_location' ) ) {
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remove_action( 'genesis_after_header', 'genesis_do_nav' );
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add_action( 'genesis_header', 'genesis_do_nav', 12 );
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}
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}
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/**
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* Auto-generates list of pages for use in the primary navigation menu.
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*
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* @since 1.0.0
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*
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* @param string $nav_items <li> list of navigation menu items.
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* @param stdClass $menu_args Arguments for the menu.
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* @return string <li> list of (modified) navigation menu items.
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*/
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function trestle_auto_nav_items( $nav_items, stdClass $menu_args ) {
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if ( 'primary' == $menu_args->theme_location ) {
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$args = array(
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'depth' => genesis_get_option( 'trestle_auto_nav_depth' ) ? genesis_get_option( 'trestle_auto_nav_depth' ) : 0,
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'echo' => false,
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'show_home' => ( genesis_get_option( 'trestle_include_home_link' ) && genesis_get_option( 'trestle_home_link_text' ) ) ? do_shortcode( genesis_get_option( 'trestle_home_link_text' ) ): genesis_get_option( 'trestle_include_home_link' ),
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'menu_class' => 'auto-menu'
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);
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$ul_class = 'menu genesis-nav-menu menu-primary';
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$menu_args = new stdClass();
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$menu_args->theme_location = 'primary';
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$nav_items = wp_page_menu( $args );
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// Remove opening <div class="auto-nav"><ul>
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$nav_items = preg_replace( '/<div\s*.*auto-menu[^>]*>\s*<ul>/', '', $nav_items );
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// Remove closing </ul></div>
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$nav_items = preg_replace( '/<\/ul>\s*<\/div>/', '', $nav_items );
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}
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return $nav_items;
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}
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/**
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* Replaces standard Genesis navigation extras with custom input navigation extras.
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*
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* @since 1.0.0
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*
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* @param string $nav_items <li> list of menu items.
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* @param stdClass $menu_args Arguments for the menu.
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* @return string <li> list of menu items with custom navigation extras <li> appended.
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*/
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function trestle_custom_nav_extras( $nav_items, stdClass $menu_args ) {
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if ( 'primary' == $menu_args->theme_location ) {
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$custom_text = esc_attr( genesis_get_option( 'trestle_custom_nav_extras_text' ) );
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return $nav_items . '<li class="right custom">' . do_shortcode( genesis_get_option( 'trestle_custom_nav_extras_text' ) ) . '</li>';
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}
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return $nav_items;
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}
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/**
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* Generates a placeholder navigation menu object.
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*
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* When using Trestle's auto-generated navigation feature,
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* it is necessary to ensure that some nav menu object is
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* selected as primary otherwise no navigation will be generated.
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*
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* @since 1.0.0
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*/
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function trestle_nav_placeholder() {
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global $trestle_nav_title;
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// Create placeholder menu for 'primary' spot if auto-nav is selected - this ensures that nav extras can be used even when no custom menu is formally set to primary
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if ( 1 == genesis_get_option( 'trestle_auto_nav' ) && ! wp_get_nav_menu_object( $trestle_nav_title ) ) {
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wp_create_nav_menu( $trestle_nav_title );
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}
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// Assign placeholder menu to 'primary' if auto-nav is selected and there is no current primary menu
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if ( 1 == genesis_get_option( 'trestle_auto_nav' ) && ! wp_get_nav_menu_object( $trestle_nav_title ) && ! has_nav_menu( 'primary' ) ) {
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$menu_locations = get_theme_mod( 'nav_menu_locations' );
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$menu_locations['primary'] = wp_get_nav_menu_object( $trestle_nav_title )->term_id;
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set_theme_mod( 'nav_menu_locations', $menu_locations );
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}
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// Remove placeholder menu if auto-nav is disabled
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$menus = get_registered_nav_menus();
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if ( 1 != genesis_get_option( 'trestle_auto_nav' ) && wp_get_nav_menu_object( $trestle_nav_title ) && $trestle_nav_title != $menus['primary'] )
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wp_delete_nav_menu( $trestle_nav_title );
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}
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/*===========================================
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* Posts & Pages
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===========================================*/
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add_filter( 'wp_revisions_to_keep', 'trestle_update_revisions_number', 10, 2 );
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/**
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* Sets the number of post revisions.
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*
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* @since 1.0.0
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*
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* @param int $num Default number of post revisions.
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* @return int Number of post revisions specified in Trestle admin panel.
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*/
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function trestle_update_revisions_number( $num ) {
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$trestle_revisions_number = esc_attr( genesis_get_option( 'trestle_revisions_number' ) );
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if ( isset( $trestle_revisions_number ) )
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return $trestle_revisions_number;
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return $num;
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}
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/**
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* Manually controls display of post info/meta for all post types.
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*
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* @since 1.0.0
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*
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* @see trestle_set_page_post_type()
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* @global object $post The current $post object.
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*/
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add_action( 'the_post', 'trestle_post_info_meta', 5 );
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function trestle_post_info_meta() {
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if ( ! is_admin() && in_the_loop() && genesis_get_option( 'trestle_manual_post_info_meta' ) ) {
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global $post;
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// Get post type
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$post_type = get_post_type( $post->ID );
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// Remove all Post Info & Meta
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remove_action( 'genesis_entry_header', 'genesis_post_info', 12 );
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remove_action( 'genesis_entry_footer', 'genesis_post_meta' );
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// Single
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if ( is_singular() ) {
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$single_info_option = 'trestle_post_info_' . $post_type . '_single';
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$single_meta_option = 'trestle_post_meta_' . $post_type . '_single';
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// Post Info
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if ( genesis_get_option( $single_info_option ) )
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add_action( 'genesis_entry_header', 'genesis_post_info', 12 );
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// Post Meta
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if ( genesis_get_option( $single_meta_option ) )
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add_action( 'genesis_entry_footer', 'genesis_post_meta' );
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}
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// Archive
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if ( ! is_singular() ) {
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$archive_info_option = 'trestle_post_info_' . $post_type . '_archive';
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$archive_meta_option = 'trestle_post_meta_' . $post_type . '_archive';
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// Post Info
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if ( genesis_get_option( $archive_info_option ) )
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add_action( 'genesis_entry_header', 'genesis_post_info', 12 );
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// Post Meta
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if ( genesis_get_option( $archive_meta_option ) )
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add_action( 'genesis_entry_footer', 'genesis_post_meta' );
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}
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}
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}
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add_filter( 'genesis_get_image_default_args', 'trestle_featured_image_fallback' );
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/**
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* Unset Genesis default featured image fallback of 'first-attached'
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*
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* This function prevents Genesis' default behavior of displaying
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* the 'first-attached' image as a post's featured image (in archive)
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* views, even when the post has no current featured image.
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*
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* @since 1.0.0
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*
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* @param array $args Default Genesis image args
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* @return array Updated image args
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*/
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function trestle_featured_image_fallback( $args ) {
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$args['fallback'] = false;
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return $args;
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}
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/*===========================================
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* General Actions & Filters
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===========================================*/
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add_filter( 'excerpt_more', 'trestle_read_more_link' );
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add_filter( 'get_the_content_more_link', 'trestle_read_more_link' );
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add_filter( 'the_content_more_link', 'trestle_read_more_link' );
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/**
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* Displays custom Trestle "read more" text in place of WordPress default.
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*
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* @since 1.0.0
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*
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* @param string $default_text Default "read more" text.
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* @return string (Updated) "read more" text.
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*/
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function trestle_read_more_link( $default_text ) {
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// Get Trestle custom "read more" link text
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$custom_text = esc_attr( genesis_get_option( 'trestle_read_more_text' ) );
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if ( $custom_text )
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return '… <a class="more-link" title="' . $custom_text . '" href="' . get_permalink() . '">' . $custom_text . '</a>';
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else
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return $default_text;
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}
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