snippet.php

<?php

/*
Plugin Name: Snippets
Plugin URI: https://github.com/wp-pure/snippets
Description: Snippets of reusable html that can easily be included in pages, posts, or even templates using shortcodes.
Version: 0.0.4
Author: James Pederson
Author URI: https://jpederson.com
License: GPL2
*/


// snippet custom post type function
function snippet_post_type() { 

	// register our custom post type
	register_post_type( 'snippet',

		// custom post type information
		array(
			'labels' => array(
				'name' => __( 'Snippets', 'ptheme' ), /* This is the Title of the Group */
				'singular_name' => __( 'Snippet', 'ptheme' ), /* This is the individual type */
				'all_items' => __( 'All Snippets', 'ptheme' ), /* the all items menu item */
				'add_new' => __( 'Add New', 'ptheme' ), /* The add new menu item */
				'add_new_item' => __( 'Add New Snippet', 'ptheme' ), /* Add New Display Title */
				'edit' => __( 'Edit', 'ptheme' ), /* Edit Dialog */
				'edit_item' => __( 'Edit Snippets', 'ptheme' ), /* Edit Display Title */
				'new_item' => __( 'New Snippet', 'ptheme' ), /* New Display Title */
				'view_item' => __( 'View Snippet', 'ptheme' ), /* View Display Title */
				'search_items' => __( 'Search Snippets', 'ptheme' ), /* Search Custom Type Title */ 
				'not_found' =>  __( 'Nothing found in the database.', 'ptheme' ), /* This displays if there are no entries yet */ 
				'not_found_in_trash' => __( 'Nothing found in Trash', 'ptheme' ), /* This displays if there is nothing in the trash */
				'parent_item_colon' => ''
			),
			'description' => __( 'Manage Snippets.', 'ptheme' ), /* Custom Type Description */
			'public' => true,
			'publicly_queryable' => true,
			'exclude_from_search' => true,
			'show_ui' => true,
			'query_var' => true,
			'menu_position' => 25, /* this is what order you want it to appear in on the left hand side menu */ 
			'menu_icon' => 'dashicons-media-code', /* the icon for the custom post type menu */
			'has_archive' => false, /* you can rename the slug here */
			'capability_type' => 'post',
			'hierarchical' => false,
			'supports' => array( 'title', 'revisions' )
		)

	);

}
add_action( 'init', 'snippet_post_type');



// function to handle the snippet shortcode
function snippet_shortcode( $atts ) {

	// if we have a slug specified
	if ( isset( $atts['slug'] ) ) {

		// let's set the args for our select
		$args = array(
		  'name'        => $atts['slug'],
		  'post_type'   => 'snippet',
		  'numberposts' => 1
		);

		// get the snippet
		$snippets = get_posts( $args );

		// check to make sure it's not empty
		if ( is_object( $snippets[0] ) ) {

			// get the snippet code
			return  get_field( 'content', $snippets[0]->ID );

		} else {

			// return nothing if the snippet doesn't exist
			return '';
		}
		
	}
}
add_shortcode( 'snippet', 'snippet_shortcode' );



// function to handle the snippet shortcode
function get_snippet( $slug, $filter_content = true ) {

	// if we have a slug specified
	if ( isset( $slug ) ) {

		// let's set the args for our select
		$args = array(
		  'name'        => $slug,
		  'post_type'   => 'snippet',
		  'numberposts' => 1
		);

		// get the snippet
		$snippets = get_posts( $args );

		// check to make sure it's not empty
		if ( isset( $snippets[0] ) ) {

			// get the snippet code
			return get_field( 'content', $snippets[0]->ID );

		} else {

			// return nothing if the snippet doesn't exist
			return '';
		}
		
	}
}



// custom admin listing column to output the shortcode for each snipper
function snippet_columns( $columns ) {

	// don't include the data column (it's really not necessary)
	unset($columns['date']);

	// add a shortcode column
	$columns['snippet_shortcode'] = 'Shortcode';

	// return the columns list
	return $columns;
}
add_filter( 'manage_snippet_posts_columns', 'snippet_columns' );



// populate the new column with the shortcode so users can easily copy it
function snippet_columns_content( $column, $post_id ) {

	// only affect the appropriate column
    if ( $column === 'snippet_shortcode' ) {

    	// get the slug
    	$slug = get_post_field( 'post_name', $post_id );
		
		// output the shortcode for easy copying
		echo '[snippet slug="' . $slug . '"]';

	}

}
add_action( 'manage_posts_custom_column' , 'snippet_columns_content', 10, 2 );



// remove data filtering from snippets admin listing
function snippet_remove_date_filter( $months ) {

	// get post type
    global $typenow;

    // only remove this for snippet post type
    if ( $typenow == 'snippet' ) {
        return array();
    }

    // otherwise keep date filter
    return $months;
}
add_filter( 'months_dropdown_results', 'snippet_remove_date_filter' );



// sort snippets by title in the dashboard listing.
function snippet_order( $query ) {

	// get post type
    global $typenow;

    // only remove this for snippet post type
    if ( $typenow == 'snippet' ) {
		$query->set( 'order' , 'asc' );
		$query->set( 'orderby', 'title');
		return;
	}
}
add_action( 'pre_get_posts', 'snippet_order', 1 );



if( function_exists('acf_add_local_field_group') ):

acf_add_local_field_group(array(
	'key' => 'group_673a7168dcc79',
	'title' => 'Snippet Fields',
	'fields' => array(
		array(
			'key' => 'field_673a7168fa84c',
			'label' => 'Mode',
			'name' => 'mode',
			'aria-label' => '',
			'type' => 'radio',
			'instructions' => 'Choose the mode for this snippet. \'Code\' style snippets preserve all the special formatting and characters that are necessary for code to work correctly (no encoding), where the visual editor will give you a more traditional editing experience for bits of content that you just want to be able to include in multiple places. Beware when switching between the two modes on existing snippets (save first).',
			'required' => 0,
			'conditional_logic' => 0,
			'wrapper' => array(
				'width' => '20',
				'class' => '',
				'id' => '',
			),
			'choices' => array(
				'visual' => 'Visual Editor',
				'code' => 'Code Editor',
			),
			'default_value' => 'visual',
			'return_format' => 'value',
			'allow_null' => 0,
			'other_choice' => 0,
			'allow_in_bindings' => 0,
			'layout' => 'vertical',
			'save_other_choice' => 0,
		),
		array(
			'key' => 'field_673a7203fa84d',
			'label' => 'Content',
			'name' => 'content',
			'aria-label' => '',
			'type' => 'acfe_code_editor',
			'instructions' => '',
			'required' => 0,
			'conditional_logic' => array(
				array(
					array(
						'field' => 'field_673a7168fa84c',
						'operator' => '==',
						'value' => 'code',
					),
				),
			),
			'wrapper' => array(
				'width' => '80',
				'class' => '',
				'id' => '',
			),
			'default_value' => '',
			'placeholder' => '',
			'mode' => 'text/html',
			'lines' => 1,
			'indent_unit' => 4,
			'maxlength' => '',
			'rows' => 20,
			'max_rows' => '',
			'return_format' => array(
			),
			'allow_in_bindings' => 0,
		),
		array(
			'key' => 'field_673a7218fa84e',
			'label' => 'Content',
			'name' => 'content',
			'aria-label' => '',
			'type' => 'wysiwyg',
			'instructions' => '',
			'required' => 0,
			'conditional_logic' => array(
				array(
					array(
						'field' => 'field_673a7168fa84c',
						'operator' => '==',
						'value' => 'visual',
					),
				),
			),
			'wrapper' => array(
				'width' => '80',
				'class' => '',
				'id' => '',
			),
			'default_value' => '',
			'allow_in_bindings' => 0,
			'tabs' => 'all',
			'toolbar' => 'full',
			'media_upload' => 1,
			'delay' => 0,
		),
	),
	'location' => array(
		array(
			array(
				'param' => 'post_type',
				'operator' => '==',
				'value' => 'snippet',
			),
		),
	),
	'menu_order' => 0,
	'position' => 'normal',
	'style' => 'seamless',
	'label_placement' => 'top',
	'instruction_placement' => 'label',
	'hide_on_screen' => '',
	'active' => true,
	'description' => '',
	'show_in_rest' => 0,
	'acfe_display_title' => '',
	'acfe_autosync' => array(
		0 => 'php',
	),
	'acfe_form' => 0,
	'acfe_meta' => '',
	'acfe_note' => '',
	'modified' => 1731884705,
));

endif;