document-gallery / document-gallery.php

document-gallery.php in Document Gallery 2.0, at document-gallery.php

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1	<?php
2	defined('WPINC') OR exit;
3
4	/*
5	Plugin Name: Document Gallery
6	Description: Display non-images (and images) in gallery format on a page or post with the [dg] shortcode.
7	Version: 2.0
8	Author: Dan Rossiter
9	Author URI: http://danrossiter.org/
10	License: GPLv2
11	Text Domain: document-gallery
12	*/
13
14	// define helper paths & URLs
15	define('DG_URL', plugin_dir_url(__FILE__));
16	define('DG_PATH', plugin_dir_path(__FILE__));
17	if(!defined('WP_INCLUDE_DIR')) {
18	define('WP_INCLUDE_DIR', preg_replace('/wp-content$/', 'wp-includes', WP_CONTENT_DIR));
19	}
20	if(!defined('WP_ADMIN_DIR')) {
21	define('WP_ADMIN_DIR', preg_replace('/wp-content$/', 'wp-admin', WP_CONTENT_DIR));
22	}
23
24	// init DG options for use throughout plugin
25	global $dg_options;
26	define('DG_OPTION_NAME', 'document_gallery');
27	$dg_options = get_option(DG_OPTION_NAME);
28
29	// handle activation and uninstallation
30	include_once DG_PATH . 'inc/class-setup.php';
31	register_activation_hook(__FILE__, array('DG_Setup', 'activation'));
32	register_uninstall_hook(__FILE__, array('DG_Setup', 'uninstall'));
33
34	// I18n
35	add_action('plugins_loaded', array('DocumentGallery', 'loadTextDomain'));
36
37	// cleanup cached data when thumbed attachment deleted
38	include_once DG_PATH . 'inc/class-thumber.php';
39	add_action('delete_attachment', array('DG_Thumber', 'deleteThumbMeta'));
40
41	if (is_admin()) {
42	// admin house keeping
43	include_once DG_PATH . 'admin/class-admin.php';
44
45	// add settings link
46	add_filter('plugin_action_links_' . plugin_basename(__FILE__),
47	array('DG_Admin', 'addSettingsLink'));
48
49	// build options page
50	add_action('admin_menu', array('DG_Admin', 'addAdminPage'));
51	if (!empty($GLOBALS['pagenow'])
52	&& ('options-general.php' === $GLOBALS['pagenow'] // output
53	\|\| 'options.php' === $GLOBALS['pagenow'])) { // validation
54	add_action('admin_init', array('DG_Admin', 'registerAdminStyle'));
55	add_action('admin_init', array('DG_Admin', 'registerSettings'));
56	}
57	} else {
58	// styling for gallery
59	add_action('wp_enqueue_scripts', array('DocumentGallery', 'enqueueGalleryStyle'));
60	}
61
62	// adds 'dg' shortcode
63	add_shortcode('dg', array('DocumentGallery', 'doShortcode'));
64
65	/**
66	* DocumentGallery wraps basic functionality to setup the plugin.
67	*
68	* @author drossiter
69	*/
70	class DocumentGallery {
71
72	/*==========================================================================
73	* THE SHORTCODE
74	=========================================================================/
75
76	/**
77	* Takes values passed from attributes and returns sutable HTML to represent
78	* all valid attachments requested.
79	*
80	* @param array $atts Arguments from the user.
81	* @return string HTML for the Document Gallery.
82	*/
83	public static function doShortcode($atts) {
84	include_once 'inc/class-gallery.php';
85	return new DG_Gallery($atts);
86	}
87
88	/**
89	* Enqueue standard DG CSS.
90	*/
91	public static function enqueueGalleryStyle() {
92	global $dg_options;
93	wp_register_style('dg-main', DG_URL . 'assets/css/style.css', null,
94	self::version() . ':' . $dg_options['css']['version']);
95	wp_enqueue_style('dg-main');
96	}
97
98	public static function updateUserGalleryStyle($css) {
99	$ret = false;
100
101	if ($css_file = file_get_contents(DG_PATH . 'assets/css/style.css')) {
102	$css_file = preg_replace('#/\* CUSTOM USER CSS \/.#s',
103	"/* CUSTOM USER CSS */\n" . $css, $css_file);
104	$ret = (bool)file_put_contents(DG_PATH . 'assets/css/style.css', $css_file, LOCK_EX);
105	}
106
107	return $ret;
108	}
109
110	/*==========================================================================
111	* I18n
112	=========================================================================/
113
114	public static function loadTextDomain() {
115	load_plugin_textdomain('document-gallery', false, DG_PATH . 'languages');
116	}
117
118	/*==========================================================================
119	* HELPER FUNCTIONS
120	=========================================================================/
121
122	/**
123	* Gets the current version of the plugin.
124	* @param bool recalculate Whether to re-read the file for version number.
125	* @return str DG version installed.
126	*/
127	public static function version($recalculate = false) {
128	static $version = null;
129
130	if ($recalculate) {
131	include_once WP_ADMIN_DIR . '/includes/plugin.php';
132	$data = get_plugin_data(__FILE__, false);
133	$version = $data['Version'];
134	} elseif(is_null($version)) {
135	global $dg_options;
136	$version = $dg_options['version'];
137	}
138
139	return $version;
140	}
141
142	/**
143	* Blocks instantiation. All functions are static.
144	*/
145	private function __construct() {
146
147	}
148	}
149
150	?>