document-gallery / document-gallery.php

document-gallery.php in Document Gallery 1.1, at document-gallery.php

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1	<?php
2	/*
3	Plugin Name: Document Gallery
4	Description: Display non-images in gallery format on page.
5	Version: 1.1
6	Author: Dan Rossiter
7	Author URI: http://danrossiter.org/
8	License: GPL2
9	*/
10
11	define( 'DG_URL', plugin_dir_url( __FILE__ ) );
12
13	// CREATE GALLERY STRING //
14	function dg_get_attachment_icons($atts) {
15	extract( shortcode_atts( array(
16	'descriptions' => FALSE,
17	'orderby' => 'menu_order',
18	'order' => 'ASC',
19	'attachment_pg' => FALSE, // default: link directly to file (true to link to attachment pg)
20	'ids' => FALSE // not yet supported
21	), $atts) );
22
23
24	// Some validation of user values
25	$errs = array();
26
27	if($descriptions != FALSE){ $descriptions = TRUE; }
28
29	$order = strtoupper( $order );
30	if($order != 'ASC' && $order != 'DEC')
31	$errs[] = "The order attribute must be either ASC or DEC. You entered $order.";
32
33	if($attachment_pg != FALSE){ $attachment_pg = TRUE; }
34	if($ids != FALSE){ $ids = FALSE; } // not yet supported
35
36	// http://www.youtube.com/watch?v=ClnSMCdw6E8
37	if( $errs ) return implode(' ', $errs);
38	// All's well. Carry on, my wayward son.
39
40
41	$args = array(
42	'numberposts' => -1,
43	'orderby' => $orderby,
44	'order' => $order,
45	'post_type' => 'attachment',
46	'post_mime_type' => 'application,video,text,audio',
47	'post_parent' => get_the_ID() );
48
49	if ( $attachments = get_posts($args) ) {
50	$attachment_str = array( PHP_EOL.'<!-- Generated using Document Gallery. Get yours here: '.
51	'http://wordpress.org/extend/plugins/document-gallery -->'.PHP_EOL );
52
53	$count = 0;
54	foreach( $attachments as $attachment ) { //setup array for more than one file attachment
55	$url = $attachment->guid;
56	$filename = basename( $url );
57
58	if( $attachment_pg ) // link to attachment page
59	$url = get_attachment_link( $attachment->ID );
60
61	$title = get_the_title( $attachment->ID );
62	$icon = dg_get_attachment_image( $attachment->ID, $title, $filename );
63
64	if($descriptions) { // start wrapper
65	$attachment_str[] = '<div class="document-icon-wrapper descriptions">'.PHP_EOL.
66	' <div class="document-icon">'.PHP_EOL;
67	} else { // no description
68	if( $count % 4 == 0 ) { // start wrapper
69	$attachment_str[] = '<div id="document-icon-wrapper">'.PHP_EOL;
70	}
71	$attachment_str[] = ' <div class="document-icon">'.PHP_EOL;
72	}
73
74	$attachment_str[] = " <a href=\"$url\">$icon<br>$title</a>".PHP_EOL;
75
76	if($descriptions) { // end icon & add description
77	$attachment_str[] = ' </div>'.PHP_EOL.
78	" <p>$attachment->post_content</p>".
79	PHP_EOL.'</div>'.PHP_EOL;
80	} else { // end icon
81	$attachment_str[] = ' </div>'.PHP_EOL;
82	if( ++$count % 4 == 0 ) { // end wrapper
83	$attachment_str[] = '</div>'.PHP_EOL;
84	}
85	}
86	} // end looping attachments
87
88	// for galleries w/ number of docs != mult of 4
89	if( $count % 4 != 0 && !$descriptions ){ // end wrapper
90	$attachment_str[] = '</div>'.PHP_EOL;
91	}
92
93	// join array & return
94	return implode( '', $attachment_str );
95	} // end if attachments
96
97	return PHP_EOL.'<!-- Document Gallery: No attachments to display. -->'.PHP_EOL;
98	}
99	add_shortcode('dg', 'dg_get_attachment_icons');
100	// Depreciated as of v1.0. left for backward compatibility
101	add_shortcode('document gallery', 'dg_get_attachment_icons');
102
103
104	// ADD SOME STYLING //
105	function dg_add_header_css() {
106	wp_enqueue_style( 'document-gallery-css', plugins_url('style.css', __FILE__) );
107	}
108	add_action( 'wp_print_styles', 'dg_add_header_css');
109
110
111	// HELPERS //
112
113	// pass in $title & $url to avoid mult function calls
114	function dg_get_attachment_image( $id, $title, $filename ) {
115	$filetype = wp_check_filetype( $filename );
116
117	// identify extension
118	switch( $filetype['ext'] ) {
119	// Most Common First
120	case 'pdf':
121	$icon = 'pdf.png';
122	break;
123	// MS Office
124	case 'doc':
125	case 'docx':
126	case 'docm':
127	case 'dotx':
128	case 'dotm':
129	$icon = 'msdoc.png';
130	break;
131	case 'ppt':
132	case 'pot':
133	case 'pps':
134	case 'pptx':
135	case 'pptm':
136	case 'ppsx':
137	case 'ppsm':
138	case 'potx':
139	case 'potm':
140	case 'ppam':
141	case 'sldx':
142	case 'sldm':
143	$icon = 'msppt.png';
144	break;
145	case 'xla':
146	case 'xls':
147	case 'xlt':
148	case 'xlw':
149	case 'xlsx':
150	case 'xlsm':
151	case 'xlsb':
152	case 'xltx':
153	case 'xltm':
154	case 'xlam':
155	$icon = 'msxls.png';
156	break;
157	case 'mdb':
158	$icon = 'msaccess.png';
159	break;
160	// Video formats
161	case 'avi':
162	$icon = 'avi.png';
163	break;
164	case 'divx':
165	$icon = 'divx.png';
166	break;
167	case 'flv':
168	$icon = 'flv.png';
169	break;
170	case 'qt':
171	case 'mov':
172	$icon = 'mov.png';
173	break;
174	case 'asf':
175	case 'asx':
176	case 'wax':
177	case 'wmv':
178	case 'wmx':
179	$icon = 'wmv.png';
180	break;
181	case 'mkv':
182	$icon = 'mkv.png';
183	break;
184	// Audio formats
185	case 'mp3':
186	$icon = 'mp3.png';
187	break;
188	case 'wav':
189	$icon = 'wav.png';
190	break;
191	case 'ogg':
192	case 'oga':
193	$icon = 'ogg.png';
194	break;
195	case 'midi':
196	case 'mid':
197	$icon = 'midi.png';
198	break;
199	case 'wma':
200	$icon = 'wma.png';
201	break;
202	// Text formats
203	case 'rtx':
204	$icon = 'rtx.png';
205	break;
206	case 'ics':
207	$icon = 'ics.png';
208	break;
209	case 'csv':
210	$icon = 'csv.png';
211	break;
212	// Msc application formats
213	case 'html':
214	case 'htm': // death to all who use this!
215	$icon = 'html.png';
216	break;
217	case 'css':
218	$icon = 'css.png';
219	break;
220	case 'js':
221	$icon = 'javascript.png';
222	break;
223	case 'class':
224	$icon = 'java.png';
225	break;
226	case 'zip':
227	$icon = 'zip.png';
228	break;
229	case 'tar':
230	case 'gzip':
231	case 'gz':
232	case 'bz2': // not yet WP-supported
233	case 'tgz': // not yet WP-supported
234	$icon = 'compressed.png';
235	break;
236	case 'rar': // RAWR!!!
237	$icon = 'rar.png';
238	break;
239	case '7z':
240	$icon = '7zip.png';
241	break;
242	case 'exec':
243	$icon = 'exec.png';
244	break;
245	case 'rtf':
246	$icon = 'rtf.png';
247	break;
248	case 'swf':
249	$icon = 'shockwave.png';
250	break;
251	// OpenOffice formats
252	case 'odt':
253	$icon = 'opendocument-text.png';
254	break;
255	case 'odp':
256	$icon = 'opendocument-presentation.png';
257	break;
258	case 'ods':
259	$icon = 'opendocument-spreadsheet.png';
260	break;
261	case 'odg':
262	$icon = 'opendocument-graphics.png';
263	break;
264	case 'odb':
265	$icon = 'opendocument-database.png';
266	break;
267	case 'odf':
268	$icon = 'opendocument-formula.png';
269	break;
270	// fallback to default icons if not recognized
271	default:
272	// get_attachment_icon is DEPRECIATED! (replaced in v1.1)
273	return wp_get_attachment_image( $id, null, true );
274	}
275
276	return '<img src="'.DG_URL.'icons/'.$icon."\" title=\"$title\" alt=\"$title\"/>";
277	}
278	// Filtering attachment_icon was considered, then dismissed in v1.0.3 because it would mean almost
279	// doubling the amount of processing for each icon. The native WP function would create the icon,
280	// then 99% of the time this function would replace it. Better to just call the native WP function
281	// at the end when needed. Filter would look like this:
282	// add_filter( 'attachment_icon', 'dg_get_attachment_icon', 10, 2 );v
283	?>
284