← All changes | document-gallery.php +330 -288 1.3 → 2.2.4 View file →

		@@ -1,320 +1,362 @@
1	1	<?php
	2	+defined('WPINC') OR exit;
	3	+
2	4	/*
3		-Plugin Name: Document Gallery
4		-Description: Display non-images (and images) in gallery format on a page or post with the [dg] shortcode.
5		-Version: 1.3
6		-Author: Dan Rossiter
7		-Author URI: http://danrossiter.org/
8		-License: GPL2
9		-*/
	5	+ Plugin Name: Document Gallery
	6	+ Plugin URI: http://wordpress.org/extend/plugins/document-gallery/
	7	+ Description: Display non-images (and images) in gallery format on a page or post with the [dg] shortcode.
	8	+ Version: 2.2.4
	9	+ Author: Dan Rossiter
	10	+ Author URI: http://danrossiter.org/
	11	+ License: GPLv2
	12	+ Text Domain: document-gallery
	13	+ */
10	14
11		-define( 'DG_URL', plugin_dir_url( __FILE__ ) );
12		-define( 'DG_IMG_STRING', '<img src="%s" title="%s" alt="%s" />' );
13		-define( 'DG_DOC_ICON',
14		- ' <div class="document-icon">'.PHP_EOL.
15		- ' <a href="%s">%s<br>%s</a>'.PHP_EOL.
16		- ' </div>'.PHP_EOL );
	15	+define('DG_VERSION', '2.2.4');
17	16
18		-// CREATE GALLERY STRING //
19		-function dg_get_attachment_icons($atts) {
20		- extract( shortcode_atts( array(
21		- 'descriptions' => FALSE,
22		- 'orderby' => 'menu_order',
23		- 'order' => 'ASC',
24		- 'attachment_pg' => FALSE, // default: link directly to file (true to link to attachment pg)
25		- 'images' => FALSE, // if enabled, all images attached to current page will be included also
26		- 'ids' => FALSE // comma-separated list of attachment ids
27		- ), $atts) );
	17	+// define helper paths & URLs
	18	+define('DG_BASENAME', plugin_basename(__FILE__));
	19	+define('DG_URL', plugin_dir_url(__FILE__));
	20	+define('DG_PATH', plugin_dir_path(__FILE__));
	21	+define('DG_WPINC_PATH', ABSPATH . WPINC . '/');
	22	+define('DG_WPADMIN_PATH', ABSPATH . 'wp-admin/');
28	23
29		- // INIT
30		- $attachments = array();
31		- $count = 0;
32		- $errs = array();
	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, null);
33	28
	29	+// logging functionality
	30	+include_once DG_PATH . 'inc/class-logger.php';
34	31
35		- // ATTRIBUTE VALIDATION
36		- $descriptions = strtolower($descriptions) == "false" ? FALSE : TRUE;
	32	+// handle activation, updates, and uninstallation
	33	+include_once DG_PATH . 'inc/class-setup.php';
	34	+register_activation_hook(__FILE__, array('DG_Setup', 'activate'));
	35	+add_action('wpmu_new_blog', array('DG_Setup','activateNewBlog'));
	36	+register_uninstall_hook(__FILE__, array('DG_Setup', 'uninstall'));
	37	+DG_Setup::maybeUpdate();
37	38
38		- $order = strtoupper( $order );
39		- if($order != 'ASC' && $order != 'DEC')
40		- $errs[] = "The order attribute must be either ASC or DEC. You entered $order.";
	39	+// validate options if desired
	40	+if ($dg_options['validation']) {
	41	+ add_action('init', array('DocumentGallery', 'addValidation'));
	42	+}
41	43
42		- $attachment_pg = strtolower($attachment_pg) == "false" ? FALSE : TRUE;
	44	+// I18n
	45	+add_action('plugins_loaded', array('DocumentGallery', 'loadTextDomain'));
43	46
44		- $images = strtolower($images) == "false" ? FALSE : TRUE;
	47	+// cleanup cached data when thumbed attachment deleted
	48	+include_once DG_PATH . 'inc/class-thumber.php';
	49	+add_action('delete_attachment', array('DG_Thumber', 'deleteThumbMeta'));
45	50
46		- if( strtolower($ids) == "false" ){ $ids = FALSE; }
	51	+if (is_admin()) {
	52	+ // admin house keeping
	53	+ include_once DG_PATH . 'admin/class-admin.php';
47	54
48		- // http://www.youtube.com/watch?v=ClnSMCdw6E8
49		- if( $errs ) return implode(' ', $errs);
50		- // END VALIDATION (WE MADE IT!)
	55	+ // add settings link
	56	+ add_filter('plugin_action_links_' . DG_BASENAME, array('DG_Admin', 'addSettingsLink'));
	57	+
	58	+ // build options page
	59	+ add_action('admin_menu', array('DG_Admin', 'addAdminPage'));
	60	+ if (DG_Admin::doRegisterSettings()) {
	61	+ add_action('admin_init', array('DG_Admin', 'registerSettings'));
	62	+ }
	63	+} else {
	64	+ // styling for gallery
	65	+ if (empty($dg_options['css']['text'])) {
	66	+ add_action('wp_enqueue_scripts', array('DocumentGallery', 'enqueueGalleryStyle'));
	67	+ } else {
	68	+ add_action('template_redirect', array('DocumentGallery', 'buildCustomCss'));
	69	+ add_action('wp_enqueue_scripts', array('DocumentGallery', 'enqueueCustomStyle'));
	70	+ add_filter('query_vars', array('DocumentGallery', 'addCustomStyleQueryVar'));
	71	+ }
	72	+}
51	73
	74	+// adds 'dg' shortcode
	75	+add_shortcode('dg', array('DocumentGallery', 'doShortcode'));
52	76
53		- // LET'S GET SOME DOCUMENTS!
54		- if( $ids && ( $ids = explode( ',', $ids ) ) )
55		- $attachments = dg_get_attachments_by_ids( $ids );
	77	+/**
	78	+ * DocumentGallery wraps basic functionality to setup the plugin.
	79	+ *
	80	+ * @author drossiter
	81	+ */
	82	+class DocumentGallery {
56	83
57		- // if 'ids' was used, skip this
58		- if( !$attachments ){
59		- $args = array(
60		- 'numberposts' => -1,
61		- 'orderby' => $orderby,
62		- 'order' => $order,
63		- 'post_type' => 'attachment',
64		- 'post_mime_type' => 'application,video,text,audio',
65		- 'post_parent' => get_the_ID() );
66		- if( $images ) $args['post_mime_type'] .= ',image';
	84	+ /**
	85	+ * @var str Name of the query var used to check whether we should print custom CSS.
	86	+ */
	87	+ private static $query_var = 'document-gallery-css';
67	88
68		- $attachments = get_posts($args);
69		- }
70		-
71		- if ( $attachments ) {
72		- $attachment_str = PHP_EOL.'<!-- Generated using Document Gallery. Get yours here: '.
73		- 'http://wordpress.org/extend/plugins/document-gallery -->'.PHP_EOL;
	89	+ /*==========================================================================
	90	+ * THE SHORTCODE
	91	+ *=========================================================================*/
74	92
75		- // DOCUMENT LOOP
76		- foreach( $attachments as $attachment ) {
77		- // INIT ATTACHMENT-SPECIFIC VARS
78		- $url = $attachment->guid;
79		- $filename = basename( $url );
	93	+ /**
	94	+ * Takes values passed from attributes and returns sutable HTML to represent
	95	+ * all valid attachments requested.
	96	+ *
	97	+ * @param multitype:string $atts Arguments from the user.
	98	+ * @return string HTML for the Document Gallery.
	99	+ */
	100	+ public static function doShortcode($atts) {
	101	+ include_once 'inc/class-gallery.php';
80	102
81		- if( $attachment_pg ) // link to attachment page
82		- $url = get_attachment_link( $attachment->ID );
	103	+ $start = microtime(true);
	104	+ $gallery = (string)new DG_Gallery($atts);
	105	+ DG_Logger::writeLog(DG_LogLevel::Detail, 'Generation Time: ' . sprintf('%.2f', (microtime(true) - $start)) . ' s');
83	106
84		- $title = get_the_title( $attachment->ID );
85		- $icon = dg_get_attachment_image( $attachment->ID, $title, $filename );
	107	+ return $gallery;
	108	+ }
86	109
87		- // GENERATE OUTPUT
88		- if($descriptions) { // start description wrapper
89		- $attachment_str .= '<div class="document-icon-wrapper descriptions">'.PHP_EOL;
	110	+ /**
	111	+ * Enqueue standard DG CSS.
	112	+ */
	113	+ public static function enqueueGalleryStyle() {
	114	+ wp_enqueue_style('document-gallery', DG_URL . 'assets/css/style.css', null, DG_VERSION);
	115	+ }
90	116
91		- } elseif( $count % 4 == 0 ) { // no description
92		- $attachment_str .= '<div id="document-icon-wrapper">'.PHP_EOL;
93		- }
	117	+ /**
	118	+ * Enqueue user's custom DG CSS.
	119	+ */
	120	+ public static function enqueueCustomStyle() {
	121	+ global $dg_options;
	122	+ wp_register_style('document-gallery', add_query_arg(self::$query_var, 1, home_url('/')),
	123	+ null, DG_VERSION . ':' . $dg_options['css']['version']);
	124	+ wp_enqueue_style('document-gallery');
	125	+ }
94	126
95		- // insert filtered document-icon
96		- $attachment_str .= apply_filters( 'dg_doc_icon',
97		- sprintf( DG_DOC_ICON, $url, $icon, $title ), $attachment->ID );
	127	+ /**
	128	+ * Add query custom CSS query string.
	129	+ * Taken from here: http://ottopress.com/2010/dont-include-wp-load-please/
	130	+ * @param multitype:string $vars Variables to be added.
	131	+ * @return multitype:string All variables to be included in query string.
	132	+ */
	133	+ public static function addCustomStyleQueryVar($vars) {
	134	+ $vars[] = self::$query_var;
	135	+ return $vars;
	136	+ }
98	137
99		- if($descriptions) { // add description
100		- $attachment_str .= " <p>$attachment->post_content</p>".
101		- PHP_EOL.'</div>'.PHP_EOL;
	138	+ /**
	139	+ * Constructs user's custom CSS dynamically, then instructs
	140	+ * browser to cache for a year. Cache is busted by versioning
	141	+ * CSS any time the user makes a change.
	142	+ */
	143	+ public static function buildCustomCss() {
	144	+ if (1 == intval(get_query_var(self::$query_var))) {
	145	+ global $dg_options;
	146	+
	147	+ header('Content-type: text/css');
	148	+ header('Cache-Control: no-transform,public,maxage=' . 31536000);
	149	+ header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 31536000) . ' GMT');
	150	+ header('Last-Modified: ' . $dg_options['css']['last-modified']);
	151	+ header('ETag: ' . $dg_options['css']['etag']);
	152	+
	153	+ echo $dg_options['css']['minified'];
	154	+ exit;
	155	+ }
	156	+ }
102	157
103		- } elseif( ++$count % 4 == 0 ) { // end wrapper
104		- $attachment_str .= '</div>'.PHP_EOL;
105		- }
106		- } // END DOCUMENT LOOP
	158	+ /*==========================================================================
	159	+ * I18n
	160	+ *=========================================================================*/
107	161
108		- // for galleries w/ number of docs != mult of 4
109		- if( $count % 4 != 0 && !$descriptions ) // end wrapper
110		- $attachment_str .= '</div>'.PHP_EOL;
	162	+ /**
	163	+ * Loads language files into WP core.
	164	+ */
	165	+ public static function loadTextDomain() {
	166	+ load_plugin_textdomain('document-gallery', false, dirname(DG_BASENAME) . '/languages/');
	167	+ }
111	168
112		- return $attachment_str;
113		- } // END IF
	169	+ /*==========================================================================
	170	+ * HELPER FUNCTIONS
	171	+ *=========================================================================*/
	172	+
	173	+ /**
	174	+ * @param int $blog ID of the blog to be retrieved in multisite env.
	175	+ * @return multitype:unknown Options for the blog.
	176	+ */
	177	+ public static function getOptions($blog = null) {
	178	+ global $dg_options;
	179	+ return is_null($blog)
	180	+ ? $dg_options
	181	+ : get_blog_option($blog, DG_OPTION_NAME, null);
	182	+ }
	183	+
	184	+ /**
	185	+ * @param multitype:unknown $options
	186	+ * @param int $blog ID of the blog to be set in multisite env.
	187	+ */
	188	+ public static function setOptions($options, $blog = null) {
	189	+ if (is_null($blog)) {
	190	+ global $dg_options;
	191	+ update_option(DG_OPTION_NAME, $options);
	192	+ $dg_options = $options;
	193	+ } else {
	194	+ update_blog_option($blog, DG_OPTION_NAME, $options);
	195	+ }
	196	+ }
	197	+
	198	+ /**
	199	+ * @param int $blog ID of the blog to be deleted in multisite env.
	200	+ */
	201	+ public static function deleteOptions($blog = null) {
	202	+ if (is_null($blog)) {
	203	+ delete_option(DG_OPTION_NAME);
	204	+ } else {
	205	+ delete_blog_option($blog, DG_OPTION_NAME);
	206	+ }
	207	+ }
	208	+
	209	+ /**
	210	+ * Adds hook to validate DG options every time save is attempted.
	211	+ */
	212	+ public static function addValidation() {
	213	+ add_filter('pre_update_option_' . DG_OPTION_NAME, array('DocumentGallery', 'validateOptionsStructure'), 10, 2);
	214	+ }
	215	+
	216	+ /**
	217	+ * Checks whether the given options match the option schema.
	218	+ * @param multivar $new The new options to be validated.
	219	+ * @param multivar $old The old options.
	220	+ * @return array The options to be saved.
	221	+ */
	222	+ public static function validateOptionsStructure($new, $old) {
	223	+ if (self::isValidOptionsStructure($new)) {
	224	+ $ret = $new;
	225	+ } else {
	226	+ $ret = $old;
	227	+ DG_Logger::writeLog(DG_LogLevel::Error, 'Attempted to save invalid options.' . PHP_EOL . print_r($new, true), true, true);
	228	+ }
	229	+
	230	+ return $ret;
	231	+ }
	232	+
	233	+ /**
	234	+ * @param multivar|unknown $o The options structure to validate.
	235	+ * @param multivar $schema The schema to validate against (note that only keys matter -- non-array values are ignored).
	236	+ * @return bool Whether the given options structure matches the schema.
	237	+ */
	238	+ private static function isValidOptionsStructure($o, $schema = null) {
	239	+ if (is_null($schema)) {
	240	+ include_once DG_PATH . 'inc/class-setup.php';
	241	+ $schema = DG_Setup::getDefaultOptions(true);
	242	+ }
	243	+
	244	+ // simple checks first
	245	+ $valid = is_array($o) && (count($schema) === count($o));
	246	+
	247	+ if ($valid) {
	248	+ foreach ($schema as $sk => $sv) {
	249	+ $valid = array_key_exists($sk, $o);
	250	+ if (is_array($sv) && !empty($sv)) {
	251	+ $valid = $valid && self::isValidOptionsStructure($o[$sk], $sv);
	252	+ }
	253	+
	254	+ if (!$valid) {
	255	+ break;
	256	+ }
	257	+ }
	258	+ }
	259	+
	260	+ return $valid;
	261	+ }
	262	+
	263	+ /**
	264	+ * Function takes a GMT timestamp and returns a date/time string in the
	265	+ * current timezone and WP format.
	266	+ * @param int $timestamp The GMT timestamp to translate.
	267	+ * @return string The local time in the WP date/time format.
	268	+ */
	269	+ public static function localDateTimeFromTimestamp($timestamp) {
	270	+ static $gmt_offet = null;
	271	+ static $wp_format = null;
	272	+ if (is_null($gmt_offet)) {
	273	+ $gmt_offet = get_option('gmt_offset');
	274	+ $wp_format = get_option('date_format').' '.get_option('time_format');
	275	+ }
	276	+
	277	+ return date($wp_format, $timestamp + $gmt_offet * 3600);
	278	+ }
	279	+
	280	+ /**
	281	+ * Compiles any custom CSS plus the default CSS together,
	282	+ * minifying in the process.
	283	+ * @param string $custom The custom CSS to compile.
	284	+ * @return string Compiled CSS, including both standard and any custom.
	285	+ */
	286	+ public static function compileCustomCss($custom) {
	287	+ $css = file_get_contents(DG_PATH . 'assets/css/style.css');
	288	+ $css .= str_replace('&gt;', '>', esc_html($custom));
	289	+
	290	+ return $css;
	291	+ }
	292	+
	293	+ /**
	294	+ * Removes all comments & space from CSS string.
	295	+ * Source: http://stackoverflow.com/a/15195752/866618
	296	+ */
	297	+ private static function minifyCss($css) {
	298	+ # remove comments first (simplifies the other regex)
	299	+ $re1 = <<<EOS
	300	+(?sx)
	301	+ # quotes
	302	+ (
	303	+ "(?:[^"\\]++|\\.)*+"
	304	+ | '(?:[^'\\]++|\\.)*+'
	305	+ )
	306	+|
	307	+ # comments
	308	+ /\* (?> .*? \*/ )
	309	+EOS;
114	310
115		- // NO DOCUMENTS
116		- return PHP_EOL.'<!-- Document Gallery: No attachments to display. How boring... -->'.PHP_EOL;
117		-}
118		-add_shortcode('dg', 'dg_get_attachment_icons');
	311	+ $re2 = <<<EOS
	312	+(?six)
	313	+ # quotes
	314	+ (
	315	+ "(?:[^"\\]++|\\.)*+"
	316	+ | '(?:[^'\\]++|\\.)*+'
	317	+ )
	318	+|
	319	+ # ; before } (and the spaces after it while we're here)
	320	+ \s*+ ; \s*+ ( } ) \s*+
	321	+|
	322	+ # all spaces around meta chars/operators
	323	+ \s*+ ( [*$~^|]?+= | [{};,>~+-] | !important\b ) \s*+
	324	+|
	325	+ # spaces right of ( [ :
	326	+ ( [[(:] ) \s++
	327	+|
	328	+ # spaces left of ) ]
	329	+ \s++ ( [])] )
	330	+|
	331	+ # spaces left (and right) of :
	332	+ \s++ ( : ) \s*+
	333	+ # but not in selectors: not followed by a {
	334	+ (?!
	335	+ (?>
	336	+ [^{}"']++
	337	+ | "(?:[^"\\]++|\\.)*+"
	338	+ | '(?:[^'\\]++|\\.)*+'
	339	+ )*+
	340	+ {
	341	+ )
	342	+|
	343	+ # spaces at beginning/end of string
	344	+ ^ \s++ | \s++ \z
	345	+|
	346	+ # double spaces to single
	347	+ (\s)\s+
	348	+EOS;
119	349
120		-// 'document gallery' shortcode depreciated as of v1.0. left for backward compatibility
121		-add_shortcode('document gallery', 'dg_get_attachment_icons');
	350	+ $css = preg_replace("%$re1%", '$1', $css);
	351	+ return preg_replace("%$re2%", '$1$2$3$4$5$6$7', $css);
	352	+ }
122	353
	354	+ /**
	355	+ * Blocks instantiation. All functions are static.
	356	+ */
	357	+ private function __construct() {
123	358
124		-// HELPERS //
125		-function dg_get_attachments_by_ids( $ids ){
126		- $attachments = array();
127		- foreach( $ids as $id ){
128		- $attachment = get_post( $id );
129		- if( $attachment->post_type == 'attachment' )
130		- $attachments[] = $attachment;
131		- // else: not an attachment so skip
132		- }
133		- return $attachments;
	359	+ }
134	360	}
135	361
136		-// pass in $title & $filename to avoid mult function calls
137		-function dg_get_attachment_image( $id, $title, $filename ) {
138		- $filetype = wp_check_filetype( $filename );
139		-
140		- // identify extension
141		- switch( $filetype['ext'] ) {
142		- // Most Common First
143		- case 'pdf':
144		- $icon = DG_URL.'icons/pdf.png';
145		- break;
146		- // MS Office
147		- case 'doc':
148		- case 'docx':
149		- case 'docm':
150		- case 'dotx':
151		- case 'dotm':
152		- $icon = DG_URL.'icons/msdoc.png';
153		- break;
154		- case 'ppt':
155		- case 'pot':
156		- case 'pps':
157		- case 'pptx':
158		- case 'pptm':
159		- case 'ppsx':
160		- case 'ppsm':
161		- case 'potx':
162		- case 'potm':
163		- case 'ppam':
164		- case 'sldx':
165		- case 'sldm':
166		- $icon = DG_URL.'icons/msppt.png';
167		- break;
168		- case 'xla':
169		- case 'xls':
170		- case 'xlt':
171		- case 'xlw':
172		- case 'xlsx':
173		- case 'xlsm':
174		- case 'xlsb':
175		- case 'xltx':
176		- case 'xltm':
177		- case 'xlam':
178		- $icon = DG_URL.'icons/msxls.png';
179		- break;
180		- case 'mdb':
181		- $icon = DG_URL.'icons/msaccess.png';
182		- break;
183		- // Video formats
184		- case 'avi':
185		- $icon = DG_URL.'icons/avi.png';
186		- break;
187		- case 'divx':
188		- $icon = DG_URL.'icons/divx.png';
189		- break;
190		- case 'flv':
191		- $icon = DG_URL.'icons/flv.png';
192		- break;
193		- case 'qt':
194		- case 'mov':
195		- $icon = DG_URL.'icons/mov.png';
196		- break;
197		- case 'asf':
198		- case 'asx':
199		- case 'wax':
200		- case 'wmv':
201		- case 'wmx':
202		- $icon = DG_URL.'icons/wmv.png';
203		- break;
204		- case 'mkv':
205		- $icon = DG_URL.'icons/mkv.png';
206		- break;
207		- // Audio formats
208		- case 'mp3':
209		- $icon = DG_URL.'icons/mp3.png';
210		- break;
211		- case 'wav':
212		- $icon = DG_URL.'icons/wav.png';
213		- break;
214		- case 'ogg':
215		- case 'oga':
216		- $icon = DG_URL.'icons/ogg.png';
217		- break;
218		- case 'midi':
219		- case 'mid':
220		- $icon = DG_URL.'icons/midi.png';
221		- break;
222		- case 'wma':
223		- $icon = DG_URL.'icons/wma.png';
224		- break;
225		- // Text formats
226		- case 'rtx':
227		- $icon = DG_URL.'icons/rtx.png';
228		- break;
229		- case 'ics':
230		- $icon = DG_URL.'icons/ics.png';
231		- break;
232		- case 'csv':
233		- $icon = DG_URL.'icons/csv.png';
234		- break;
235		- // Msc application formats
236		- case 'html':
237		- case 'htm': // death to all who use this!
238		- $icon = DG_URL.'icons/html.png';
239		- break;
240		- case 'css':
241		- $icon = DG_URL.'icons/css.png';
242		- break;
243		- case 'js':
244		- $icon = DG_URL.'icons/javascript.png';
245		- break;
246		- case 'class':
247		- $icon = DG_URL.'icons/java.png';
248		- break;
249		- case 'zip':
250		- $icon = DG_URL.'icons/zip.png';
251		- break;
252		- case 'tar':
253		- case 'gzip':
254		- case 'gz':
255		- case 'bz2': // not yet WP-supported
256		- case 'tgz': // not yet WP-supported
257		- $icon = DG_URL.'icons/compressed.png';
258		- break;
259		- case 'rar': // RAWR!!!
260		- $icon = DG_URL.'icons/rar.png';
261		- break;
262		- case '7z':
263		- $icon = DG_URL.'icons/7zip.png';
264		- break;
265		- case 'exec':
266		- $icon = DG_URL.'icons/exec.png';
267		- break;
268		- case 'rtf':
269		- $icon = DG_URL.'icons/rtf.png';
270		- break;
271		- case 'swf':
272		- $icon = DG_URL.'icons/shockwave.png';
273		- break;
274		- // OpenOffice formats
275		- case 'odt':
276		- $icon = DG_URL.'icons/opendocument-text.png';
277		- break;
278		- case 'odp':
279		- $icon = DG_URL.'icons/opendocument-presentation.png';
280		- break;
281		- case 'ods':
282		- $icon = DG_URL.'icons/opendocument-spreadsheet.png';
283		- break;
284		- case 'odg':
285		- $icon = DG_URL.'icons/opendocument-graphics.png';
286		- break;
287		- case 'odb':
288		- $icon = DG_URL.'icons/opendocument-database.png';
289		- break;
290		- case 'odf':
291		- $icon = DG_URL.'icons/opendocument-formula.png';
292		- break;
293		- default:
294		- // handle images
295		- if( strpos( $filetype['type'], 'image' ) === 0 &&
296		- ( $icon = wp_get_attachment_image_src( $id, 'thumbnail', false ) ) ){
297		- $icon = $icon[0];
298		- break;
299		- }
300		-
301		- // fallback to default icons if not recognized
302		- if( $icon = wp_get_attachment_image_src( $id, null, true ) ){
303		- $icon = $icon[0];
304		- break;
305		- }
306		-
307		- // everything failed. This is bad...
308		- return "<!-- Failed to retrive icon for attachment #$id -->";
309		- }
310		-
311		- return sprintf( DG_IMG_STRING, $icon, $title, $title );
312		-}
313		-
314		-// ADD SOME STYLING
315		-function dg_add_header_css() {
316		- wp_enqueue_style( 'document-gallery-css', plugins_url('style.css', __FILE__) );
317		-}
318		-add_action( 'wp_print_styles', 'dg_add_header_css');
319		-
320		-?>
	362	+?>