1: <?php
  2: 
  3: /**
  4:  * Add page type class name as a css class on body.
  5:  *
  6:  * @param  array $classes
  7:  *
  8:  * @return array
  9:  */
 10: function papi_body_class( array $classes ) {
 11:     global $post;
 12: 
 13:     // Check so we only change template on single and page posts.
 14:     if ( ! is_single() && ! is_page() ) {
 15:         return $classes;
 16:     }
 17: 
 18:     $page_type = get_post_meta( $post->ID, papi_get_page_type_key(), true );
 19: 
 20:     if ( empty( $page_type ) ) {
 21:         return $classes;
 22:     }
 23: 
 24:     $parts = explode( '/', $page_type );
 25: 
 26:     if ( empty( $parts ) || empty( $parts[0] ) ) {
 27:         return $classes;
 28:     }
 29: 
 30:     $classes[] = array_pop( $parts );
 31: 
 32:     return $classes;
 33: }
 34: 
 35: add_filter( 'body_class', 'papi_body_class' );
 36: 
 37: /**
 38:  * Include partial view.
 39:  *
 40:  * @param string $file
 41:  * @param array $vars
 42:  */
 43: function papi_include_template( $file, $vars = [] ) {
 44:     if ( ! is_string( $file ) || empty( $file ) ) {
 45:         return;
 46:     }
 47: 
 48:     $path = PAPI_PLUGIN_DIR;
 49:     $path = rtrim( $path, '/' ) . '/';
 50: 
 51:     if ( file_exists( $path . $file ) ) {
 52:         require $path . $file;
 53:     }
 54: }
 55: 
 56: /**
 57:  * Load a template array file and merge values with it.
 58:  *
 59:  * @param  string $file
 60:  * @param  array $values
 61:  * @param  bool $convert_to_object
 62:  *
 63:  * @return array
 64:  */
 65: function papi_template( $file, $values = [], $convert_to_object = false ) {
 66:     if ( ! is_string( $file ) || empty( $file ) ) {
 67:         return [];
 68:     }
 69: 
 70:     $filepath = papi_get_file_path( $file );
 71: 
 72:     if ( empty( $filepath ) && is_file( $file ) ) {
 73:         $filepath = $file;
 74:     }
 75: 
 76:     if ( empty( $filepath ) || ! file_exists( $filepath ) || is_dir( $filepath ) ) {
 77:         return [];
 78:     }
 79: 
 80:     $template = require $filepath;
 81: 
 82:     if ( papi_is_property( $template ) ) {
 83:         foreach ( $values as $key => $value ) {
 84:             $template->set_option( $key, $value );
 85:         }
 86: 
 87:         $result = $template;
 88:     } else {
 89:         $result = array_merge( (array) $template, $values );
 90:     }
 91: 
 92:     if ( $convert_to_object ) {
 93:         return (object) $result;
 94:     }
 95: 
 96:     return $result;
 97: }
 98: 
 99: /**
100:  * Include template files from Papis custom page template meta field.
101:  *
102:  * @param  string $original_template
103:  *
104:  * @return string
105:  */
106: function papi_template_include( $original_template ) {
107:     global $post;
108: 
109:     // Check so we only change template on single and page posts.
110:     if ( ! is_single() && ! is_page() ) {
111:         return $original_template;
112:     }
113: 
114:     $page_template = papi_get_page_type_template( $post->ID );
115: 
116:     if ( ! empty( $page_template ) ) {
117:         $path = get_template_directory();
118:         $path = trailingslashit( $path );
119:         $file = $path . $page_template;
120: 
121:         if ( file_exists( $file ) && ! is_dir( $file ) ) {
122:             return $file;
123:         }
124:     }
125: 
126:     return $original_template;
127: }
128: 
129: add_filter( 'template_include', 'papi_template_include' );
130: