get_template_part from plugin

3 Views

This is default get_template_part function inside WordPress: 

function get_template_part( $slug, $name = null ) {
    do_action( "get_template_part_{$slug}", $slug, $name );

    $templates = array();
    if ( isset($name) )
        $templates[] = "{$slug}-{$name}.php";

    $templates[] = "{$slug}.php";

    locate_template($templates, true, false);
}

I am trying to use that action for locating custom post type loop file from plugin:

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add_action( "get_template_part_templates/loop", function($slug, $name){
    if ("example" == $name){
        if (!locate_template("templates/loop-{$name}.php", false, false)){
            /* What do you suggest to do here? */
        }
    }   
},10,2 );

I need a solution that;

  1. Check if theme have files for “example” custom post type
  2. If dont have; use plugin’s template files for showing and dont use theme’s default solution

Update: this is the code that calling template part in theme: 

global $post;
get_template_part( 'templates/loop', $post->post_type );
Post Views: 3

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2 comments 

  1. 
/**
*Extend WP Core get_template_part() function to load files from the within Plugin directory defined by PLUGIN_DIR_PATH constant
* * Load the page to be displayed 
* from within plugin files directory only 
* * @uses mec_locate_admin_menu_template() function 
* * @param $slug * @param null $name 
*/ 

function mec_get_admin_menu_page($slug, $name = null) {

do_action("mec_get_admin_menu_page_{$slug}", $slug, $name);

$templates = array();
if (isset($name))
    $templates[] = "{$slug}-{$name}.php";

$templates[] = "{$slug}.php";

mec_locate_admin_menu_template($templates, true, false);
}

/* Extend locate_template from WP Core 
* Define a location of your plugin file dir to a constant in this case = PLUGIN_DIR_PATH 
* Note: PLUGIN_DIR_PATH - can be any folder/subdirectory within your plugin files 
*/ 

function mec_locate_admin_menu_template($template_names, $load = false, $require_once = true ) 
{ 
$located = ''; 
foreach ( (array) $template_names as $template_name ) { 
if ( !$template_name ) continue; 

/* search file within the PLUGIN_DIR_PATH only */ 
if ( file_exists(PLUGIN_DIR_PATH . '/' . $template_name)) { 
$located = PLUGIN_DIR_PATH . '/' . $template_name; 
break; 
} 
}

if ( $load && '' != $located )
    load_template( $located, $require_once );

return $located;
}

    Then use the mec_get_admin_menu_page($slug, $name = null); function anywhere in your plugin files like the get_template_part($slug, $name = null) function.

    mec_get_admin_menu_page('custom-page','one');

    The above sample function will look for custom-page-one.php file inside your PLUGIN_DIR_PATH and loads it.

    Also I recommend you use:

    define('PLUGIN_DIR_PATH', plugin_dir_path(__FILE__));

    to define your Plugin Directory Path.

  2. You Need to hook into the template_include filter e.g.

    add_filter('template_include', 'my_function_name');
function my_function_name( $template ) {
 if ("example" == $name){
  $template = dirname( __FILE__ ) . '/my-template.php';
 }
 return $template;
}

    I asked this on here a couple of years ago and have used it a few times since for projects 🙂