custom-post-widget / custom-post-widget.php

custom-post-widget.php in Content Blocks (Custom Post Widget) 3.4.3, at custom-post-widget.php

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1	<?php
2	/*
3	Plugin Name: Content Blocks (Custom Post Widget)
4	Plugin URI: https://vanderwijk.com/wordpress/wordpress-custom-post-widget/?utm_source=wordpress&utm_medium=plugin&utm_campaign=custom_post_widget
5	Description: Show the content of a custom post of the type 'content_block' in a widget or with a shortcode.
6	Version: 3.4.3
7	Author: Johan van der Wijk
8	Author URI: https://vanderwijk.nl
9	Text Domain: custom-post-widget
10	Domain Path: /languages
11	License: GPL2
12
13	Release notes: Fixed PHP 8+ fatal errors when a widget references a deleted content block or a shortcode references a missing template. Missing templates now fall back to the standard shortcode output.
14
15	Copyright 2026 Johan van der Wijk
16
17	This program is free software; you can redistribute it and/or modify
18	it under the terms of the GNU General Public License, version 2, as
19	published by the Free Software Foundation.
20
21	This program is distributed in the hope that it will be useful,
22	but WITHOUT ANY WARRANTY; without even the implied warranty of
23	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24	GNU General Public License for more details.
25
26	You should have received a copy of the GNU General Public License
27	along with this program; if not, write to the Free Software
28	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29	*/
30
31	if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
32
33	// Launch the plugin
34	function custom_post_widget_plugin_init() {
35	add_action( 'widgets_init', 'custom_post_widget_load_widgets' );;
36	}
37	add_action( 'plugins_loaded', 'custom_post_widget_plugin_init' );
38
39	// Loads the widgets packaged with the plugin
40	function custom_post_widget_load_widgets() {
41	require_once( 'post-type.php' );
42	require_once( 'shortcode.php' );
43	require_once( 'widget.php' );
44	register_widget( 'custom_post_widget' );
45	}
46
47	// Include Elementor widget after Elementor is initialized
48	function cpw_load_elementor_widget() {
49	// Check if Elementor is active and loaded
50	if ( did_action( 'elementor/loaded' ) ) {
51	// Include the Elementor widget file
52	require_once( 'elementor-widget.php' );
53	}
54	}
55	add_action( 'init', 'cpw_load_elementor_widget' );
56
57	// Load plugin textdomain
58	function custom_post_widget_load_textdomain() {
59	load_plugin_textdomain( 'custom-post-widget', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );
60	}
61	add_action( 'plugins_loaded', 'custom_post_widget_load_textdomain' );
62
63	// Add featured image support
64	if ( function_exists( 'add_theme_support' ) ) {
65	add_theme_support( 'post-thumbnails' );
66	}
67
68	// Admin-only functions
69	if ( is_admin() ) {
70
71	// Add donation and review links to plugin description
72	if ( ! function_exists ( 'cpw_plugin_links' ) ) {
73	function cpw_plugin_links( $links, $file ) {
74	$base = plugin_basename( __FILE__ );
75	if ( $file == $base ) {
76	$links[] = '<a href="https://wordpress.org/support/plugin/custom-post-widget/reviews/" target="_blank">' . __( 'Review', 'custom-post-widget' ) . ' <span class="dashicons dashicons-thumbs-up"></span></a> \| <a href="https://paypal.me/vanderwijk">' . __( 'Donate', 'custom-post-widget' ) . ' <span class="dashicons dashicons-money"></span></a>';
77	}
78	return $links;
79	}
80	}
81	add_filter( 'plugin_row_meta', 'cpw_plugin_links', 10, 2 );
82
83	require_once( 'meta-box.php' );
84	require_once( 'popup.php' );
85
86	// Enqueue styles and scripts on content_block edit page
87	function cpw_enqueue() {
88	$screen = get_current_screen();
89	// Check screen base and current post type
90	if ( 'post' === $screen -> base && 'content_block' === $screen -> post_type ) {
91	wp_enqueue_style( 'cpw-style', plugins_url( '/assets/css/custom-post-widget.css', __FILE__ ), array(), esc_attr( get_plugin_data( __FILE__ )['Version'] ), 'all' );
92	wp_enqueue_script( 'clipboard' );
93	wp_enqueue_script( 'clipboard-init', plugins_url( '/assets/js/clipboard-init.js', __FILE__ ), array( 'clipboard' ), esc_attr( get_plugin_data( __FILE__ )['Version'] ), true );
94	}
95	}
96	add_action( 'admin_enqueue_scripts', 'cpw_enqueue' );
97
98	// Only add content_block icon above posts and pages
99	function cpw_add_content_block_button() {
100	global $current_screen;
101	if ( ( 'content_block' != $current_screen -> post_type ) && ( 'toplevel_page_revslider' != $current_screen -> id ) ) {
102	add_action( 'media_buttons', 'add_content_block_icon' );
103	add_action( 'admin_footer', 'add_content_block_popup' );
104	}
105	}
106	add_action( 'admin_head', 'cpw_add_content_block_button' );
107
108	}
109
110	// Register the shortcode
111	function cpw_content_block_shortcode( $atts ) {
112	$atts = shortcode_atts( array(
113	'id' => '',
114	), $atts, 'cpw_content_block' );
115
116	if ( ! empty( $atts['id'] ) ) {
117	$post = get_post( $atts['id'] );
118	if ( $post ) {
119	$content = apply_filters( 'the_content', $post->post_content );
120	return $content;
121	}
122	}
123	return '';
124	}
125	add_shortcode( 'cpw_content_block', 'cpw_content_block_shortcode' );
126
127	// Map the shortcode to WPBakery Page Builder
128	function cpw_vc_content_block_mapping() {
129	// Check if WPBakery Page Builder is installed
130	if ( ! defined( 'WPB_VC_VERSION' ) ) {
131	return;
132	}
133
134	// Get all content blocks
135	$content_blocks = get_posts( array(
136	'post_type' => 'content_block',
137	'posts_per_page' => -1,
138	) );
139
140	$options = array();
141	if ( $content_blocks ) {
142	foreach ( $content_blocks as $content_block ) {
143	$options[ $content_block->post_title ] = $content_block->ID;
144	}
145	} else {
146	$options[ __( 'No content blocks found', 'custom-post-widget' ) ] = '';
147	}
148
149	vc_map( array(
150	'name' => __( 'Content Block', 'custom-post-widget' ),
151	'base' => 'cpw_content_block',
152	'description' => __( 'Display a content block', 'custom-post-widget' ),
153	'category' => __( 'Content', 'custom-post-widget' ),
154	'params' => array(
155	array(
156	'type' => 'dropdown',
157	'heading' => __( 'Select Content Block', 'custom-post-widget' ),
158	'param_name' => 'id',
159	'value' => $options,
160	'admin_label' => true,
161	'description' => __( 'Choose which content block to display.', 'custom-post-widget' ),
162	),
163	),
164	) );
165	}
166	add_action( 'vc_before_init', 'cpw_vc_content_block_mapping' );
167
168