Fix #835814 and #451408 by kingandy: use #prefix and #suffix for the content corner...
[project/print.git] / print_pdf / print_pdf.module
CommitLineData
9c35190f 1<?php
f163b6a0 2// $Id$
9c35190f
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3
4/**
5 * @file
7934fadc 6 * Displays Printer-friendly versions of Drupal pages.
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7 *
8 * @ingroup print
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9 */
10
cc224831 11define('PRINTPDF_PATH', 'printpdf');
9c35190f 12
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13define('PRINT_PDF_FORMAT', 'pdf');
14
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15define('PRINT_PDF_LIB_PATH', 'sites/all/libraries');
16
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17define('PRINT_PDF_LINK_POS_DEFAULT', 'link');
18define('PRINT_PDF_SHOW_LINK_DEFAULT', 1);
19define('PRINT_PDF_NODE_LINK_VISIBILITY_DEFAULT', 0);
20define('PRINT_PDF_NODE_LINK_PAGES_DEFAULT', '');
21define('PRINT_PDF_LINK_CLASS_DEFAULT', 'print-pdf');
22define('PRINT_PDF_SYS_LINK_VISIBILITY_DEFAULT', 1);
a1057bea 23define('PRINT_PDF_SYS_LINK_PAGES_DEFAULT', '');
16082a66 24define('PRINT_PDF_LINK_USE_ALIAS_DEFAULT', 0);
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25define('PRINT_PDF_BOOK_LINK_DEFAULT', 1);
26define('PRINT_PDF_PDF_TOOL_DEFAULT', 0);
27define('PRINT_PDF_CONTENT_DISPOSITION_DEFAULT', 2);
28define('PRINT_PDF_PAPER_SIZE_DEFAULT', 'A4');
29define('PRINT_PDF_PAGE_ORIENTATION_DEFAULT', 'portrait');
ff7fd37e 30define('PRINT_PDF_AUTOCONFIG_DEFAULT', 1);
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31define('PRINT_PDF_FONT_FAMILY_DEFAULT', 'dejavusans');
32define('PRINT_PDF_FONT_SIZE_DEFAULT', 10);
f49da45f 33define('PRINT_PDF_FILENAME_DEFAULT', '[site-name] - [title] - [mod-yyyy]-[mod-mm]-[mod-dd]');
3762a711 34define('PRINT_PDF_DOMPDF_UNICODE_DEFAULT', 0);
b6716533 35define('PRINT_PDF_WKHTMLTOPDF_OPTIONS', "--footer-font-size 7 --footer-right '[page]'");
cef86536 36
9c35190f 37/**
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38 * Implementation of hook_perm().
39 */
40function print_pdf_perm() {
41 return array('access PDF version');
42}
43
44/**
e8517dd5 45 * Implementation of hook_theme().
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46 */
47function print_pdf_theme() {
48 return array(
49 'print_pdf_format_link' => array(
50 'arguments' => array(),
51 ),
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52 'print_pdf_dompdf_footer' => array(
53 'arguments' => array(),
9350c4b5 54 'file' => 'print_pdf.pages.inc',
2891fe2b 55 ),
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56 'print_pdf_tcpdf_header' => array(
57 'arguments' => array(),
9350c4b5 58 'file' => 'print_pdf.pages.inc',
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59 ),
60 'print_pdf_tcpdf_page' => array(
61 'arguments' => array(),
9350c4b5 62 'file' => 'print_pdf.pages.inc',
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63 ),
64 'print_pdf_tcpdf_content' => array(
65 'arguments' => array(),
9350c4b5 66 'file' => 'print_pdf.pages.inc',
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67 ),
68 'print_pdf_tcpdf_footer' => array(
69 'arguments' => array(),
9350c4b5 70 'file' => 'print_pdf.pages.inc',
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71 ),
72 'print_pdf_tcpdf_footer2' => array(
73 'arguments' => array(),
9350c4b5 74 'file' => 'print_pdf.pages.inc',
e7fb3470 75 ),
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76 );
77}
78
79/**
e8517dd5 80 * Implementation of hook_menu().
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81 */
82function print_pdf_menu() {
83 $items = array();
84
85 $items[PRINTPDF_PATH] = array(
86 'title' => 'Printer-friendly PDF',
87 'page callback' => 'print_pdf_controller',
0537cb5c 88 'access arguments' => array('access PDF version'),
9c35190f 89 'type' => MENU_CALLBACK,
76faa6b6 90 'file' => 'print_pdf.pages.inc',
9c35190f 91 );
d3933a30 92 $items[PRINTPDF_PATH .'/'. PRINTPDF_PATH] = array(
371610ef 93 'access callback' => FALSE,
d3933a30 94 );
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95 $items['admin/settings/print/pdf'] = array(
96 'title' => 'PDF',
97 'page callback' => 'drupal_get_form',
98 'page arguments' => array('print_pdf_settings'),
99 'access arguments' => array('administer print'),
cc224831 100 'weight' => 3,
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101 'type' => MENU_LOCAL_TASK,
102 'file' => 'print_pdf.admin.inc',
103 );
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104 $items['admin/settings/print/pdf/options'] = array(
105 'title' => 'Options',
106 'weight' => 1,
107 'type' => MENU_DEFAULT_LOCAL_TASK,
108 );
109 $items['admin/settings/print/pdf/strings'] = array(
110 'title' => 'Text strings',
111 'page callback' => 'drupal_get_form',
112 'page arguments' => array('print_pdf_strings_settings'),
113 'access arguments' => array('administer print'),
114 'weight' => 2,
115 'type' => MENU_LOCAL_TASK,
116 'file' => 'print_pdf.admin.inc',
117 );
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118
119 return $items;
120}
121
122/**
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123 * Implementation of hook_block().
124 */
125function print_pdf_block($op = 'list', $delta = 0, $edit = array()) {
126 switch ($op) {
127 case 'list':
128 $block[0]['info'] = t('Most PDFd');
4ce3a29f 129 $block[0]['cache'] = BLOCK_CACHE_GLOBAL;
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130 return $block;
131 break;
132 case 'configure':
133 return '';
134 case 'save':
135 return;
136 case 'view':
137 switch ($delta) {
138 case 0:
cff875bc 139 $block['subject'] = t('Most PDFd');
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140 $result = db_query_range("SELECT path FROM {print_pdf_page_counter} ORDER BY totalcount DESC", 0, 3);
141 if (db_affected_rows()) {
142 $block['content'] = '<div class="item-list"><ul>';
143 while ($obj = db_fetch_object($result)) {
144 $block['content'] .= '<li>'. l(_print_get_title($obj->path), $obj->path) .'</li>';
145 }
146 $block['content'] .= '</ul></div>';
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147 }
148 break;
149 }
150 return $block;
151 break;
152 }
153}
154
155/**
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156 * Implementation of hook_requirements().
157 */
158function print_pdf_requirements($phase) {
159 $requirements = array();
160 $t = get_t();
161 switch ($phase) {
162 // At runtime, make sure that a PDF generation tool is selected
163 case 'runtime':
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164 $print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
165 if (empty($print_pdf_pdf_tool)) {
8d3c5d9d 166 $requirements['print_pdf_tool'] = array(
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167 'title' => $t('PDF version'),
168 'value' => $t('No PDF tool selected'),
169 'description' => $t('Please configure it in the <a href="@url">PDF settings page</a>.', array('@url' => url('admin/settings/print/pdf'))),
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170 'severity' => REQUIREMENT_ERROR,
171 );
172 }
173 break;
174 }
175 return $requirements;
176}
177
178/**
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179 * Implementation of hook_link().
180 */
181function print_pdf_link($type, $node = NULL, $teaser = FALSE) {
cc224831 182 $print_pdf_link_pos = variable_get('print_pdf_link_pos', array(PRINT_PDF_LINK_POS_DEFAULT => PRINT_PDF_LINK_POS_DEFAULT));
16082a66 183 $print_pdf_link_use_alias = variable_get('print_pdf_link_use_alias', PRINT_PDF_LINK_USE_ALIAS_DEFAULT);
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184 $allowed_type = print_pdf_link_allowed(array('type' => $type, 'node' => $node, 'teaser' => $teaser));
185 if (($allowed_type) && !empty($print_pdf_link_pos['link'])) {
76faa6b6 186 drupal_add_css(drupal_get_path('module', 'print') .'/css/printlinks.css');
9c35190f 187 $links = array();
9c35190f 188 $format = theme('print_pdf_format_link');
3704b344 189
77d2b585 190 // Show book link
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191 if ($allowed_type === PRINT_ALLOW_BOOK_LINK) {
192 $links['book_pdf'] = array('href' => PRINTPDF_PATH .'/book/export/html/'. $node->nid,
1c493781 193 'title' => $format['text'],
77d2b585 194 'attributes' => $format['attributes'],
1c493781 195 'html' => $format['html'],
f163b6a0 196 );
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197
198 return $links;
9c35190f 199 }
cc224831 200 elseif ($allowed_type === PRINT_ALLOW_NORMAL_LINK) {
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201 $query_arr = $_GET;
202 if ($type == 'comment') {
203 $query_arr['comment'] = $node->cid;
204 }
cc224831 205 $query = print_query_string_encode($query_arr, array('q'));
0e51bae4 206 if (empty($query)) $query = NULL;
9c35190f 207
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208 if ($print_pdf_link_use_alias) {
209 $path = drupal_get_path_alias('node/'. $node->nid);
210 }
211 else {
212 $path = $node->nid;
213 }
214
215 $links['print_pdf'] = array('href' => PRINTPDF_PATH .'/'. $path,
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216 'title' => $format['text'],
217 'attributes' => $format['attributes'],
218 'html' => $format['html'],
219 'query' => $query,
f163b6a0 220 );
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221
222 return $links;
223 }
9c35190f 224 }
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225 else {
226 return;
227 }
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228}
229
230/**
e8517dd5 231 * Implementation of hook_help().
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232 */
233function print_pdf_help($path, $arg) {
cc224831 234 $print_pdf_link_pos = variable_get('print_pdf_link_pos', array(PRINT_PDF_LINK_POS_DEFAULT => PRINT_PDF_LINK_POS_DEFAULT));
43e7b5ef 235 if (($path !== 'node/%') && !(empty($print_pdf_link_pos['link']) && empty($print_pdf_link_pos['corner']))) {
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236 static $output = FALSE;
237
238 if ($output === FALSE) {
239 $output = TRUE;
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240
241 $link = print_pdf_insert_link();
242 if ($link) {
243 return "<span class='print-syslink'>$link</span>";
244 }
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245 }
246 }
247}
248
249/**
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250 * Implementation of hook_nodeapi().
251 */
252function print_pdf_nodeapi(&$node, $op = 'view', $teaser, $page) {
253 switch ($op) {
254 case 'view':
dd3ed916 255 // Insert content corner links
cc224831 256 $print_pdf_link_pos = variable_get('print_pdf_link_pos', array(PRINT_PDF_LINK_POS_DEFAULT => PRINT_PDF_LINK_POS_DEFAULT));
7934fadc 257 if (($teaser === FALSE) && !empty($print_pdf_link_pos['corner']) &&
1b3133e4 258 isset($node->build_mode) && ($node->build_mode === NODE_BUILD_NORMAL)) {
ba3d1a0e 259 $node->content['print_links']['#value'] .= print_pdf_insert_link(NULL, $node);
cc224831 260 }
11415979 261 break;
ac3e43b3 262 case 'load':
11415979 263 _print_pdf_set_node_fields($node);
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264 break;
265 case 'update':
1523fcbc 266 if (user_access('administer print') || user_access('node-specific print configuration')) {
dd3ed916 267 _print_pdf_node_conf_modify($node->nid, $node->print_pdf_display, $node->print_pdf_display_comment, $node->print_pdf_display_urllist);
1523fcbc 268 }
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269 break;
270 case 'delete':
271 db_query("DELETE FROM {print_pdf_node_conf} WHERE nid = %d", $node->nid);
440cb593 272 db_query("DELETE FROM {print_pdf_page_counter} WHERE path = 'node/%d'", $node->nid);
dd3ed916 273 break;
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274 }
275}
276
277/**
e8517dd5 278 * Implementation of hook_form_alter().
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279 */
280function print_pdf_form_alter(&$form, $form_state, $form_id) {
4ed2260c 281 // Add the node-type settings option to activate the PDF version link
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282 if ((user_access('administer print') || user_access('node-specific print configuration')) && (($form_id == 'node_type_form') ||
283 (isset($form['type']) && isset($form['#node']) && $form['type']['#value'] .'_node_form' == $form_id))) {
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284 $form['print']['pdf_label'] = array(
285 '#type' => 'markup',
286 '#value' => '<p><strong>'. t('PDF version') .'</strong></p>',
287 );
288
8d3c5d9d 289 $form['print']['print_pdf_display'] = array(
9c35190f 290 '#type' => 'checkbox',
dd3ed916 291 '#title' => t('Show link'),
9c35190f 292 );
8d3c5d9d 293 $form['print']['print_pdf_display_comment'] = array(
9c35190f 294 '#type' => 'checkbox',
dd3ed916 295 '#title' => t('Show link in individual comments'),
9c35190f 296 );
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297 $form['print']['print_pdf_display_urllist'] = array(
298 '#type' => 'checkbox',
299 '#title' => t('Show Printer-friendly URLs list'),
300 );
301
302 if ($form_id == 'node_type_form') {
303 $form['print']['print_pdf_display']['#default_value'] = variable_get('print_pdf_display_'. $form['#node_type']->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
304 $form['print']['print_pdf_display_comment']['#default_value'] = variable_get('print_pdf_display_comment_'. $form['#node_type']->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
305 $form['print']['print_pdf_display_urllist']['#default_value'] = variable_get('print_pdf_display_urllist_'. $form['#node_type']->type, PRINT_TYPE_URLLIST_DEFAULT);
306 }
307 else {
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308 $node = $form['#node'];
309 $form['print']['print_pdf_display']['#default_value'] = isset($node->print_pdf_display) ? $node->print_pdf_display : PRINT_TYPE_SHOW_LINK_DEFAULT;
310 $form['print']['print_pdf_display_comment']['#default_value'] = isset($node->print_pdf_display_comment) ? $node->print_pdf_display_comment : PRINT_TYPE_COMMENT_LINK_DEFAULT;
311 $form['print']['print_pdf_display_urllist']['#default_value'] = isset($node->print_pdf_display_urllist) ? $node->print_pdf_display_urllist : PRINT_TYPE_URLLIST_DEFAULT;
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312 }
313 }
314}
315
316/**
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317 * Auxiliary function to assign the per-node settings to the node object fields
318 *
319 * @param $node
320 * node to be modified
321 */
322function _print_pdf_set_node_fields(&$node) {
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323 if (isset($node->nid)) {
324 $res = db_fetch_object(db_query("SELECT link, comments, url_list FROM {print_pdf_node_conf} WHERE nid = %d", $node->nid));
325 }
326 else {
327 $res = FALSE;
328 }
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329 $node->print_pdf_display = $res ? intval($res->link) : PRINT_TYPE_SHOW_LINK_DEFAULT;
330 $node->print_pdf_display_comment = $res ? intval($res->comments) : PRINT_TYPE_COMMENT_LINK_DEFAULT;
331 $node->print_pdf_display_urllist = $res ? intval($res->url_list) : PRINT_TYPE_URLLIST_DEFAULT;
332}
333
334/**
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335 * Update the print_pdf_node_conf table to reflect the given attributes
336 * If updating to the default values, delete the record.
337 *
338 * @param $nid
339 * value of the nid field (primary key)
340 * @param $link
341 * value of the link field (0 or 1)
342 * @param $comments
343 * value of the comments field (0 or 1)
344 * @param $url_list
345 * value of the url_list field (0 or 1)
346 */
347function _print_pdf_node_conf_modify($nid, $link, $comments, $url_list) {
348 if (($link == PRINT_TYPE_SHOW_LINK_DEFAULT) && ($comments == PRINT_TYPE_COMMENT_LINK_DEFAULT) &&
349 ($url_list == PRINT_TYPE_URLLIST_DEFAULT)) {
350 db_query("DELETE FROM {print_pdf_node_conf} WHERE nid = %d", $nid);
351 }
352 else {
353 db_query("UPDATE {print_pdf_node_conf} SET link = %d, comments = %d, url_list = %d WHERE nid = %d", $link, $comments, $url_list, $nid);
354 if (!db_affected_rows()) {
355 db_query("INSERT INTO {print_pdf_node_conf} (nid, link, comments, url_list) VALUES (%d, %d, %d, %d)", $nid, $link, $comments, $url_list);
356 }
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357 }
358}
359
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360/**
361 * Format the PDF version link
362 *
363 * @return
364 * array of formatted attributes
365 * @ingroup themeable
366 */
9c35190f 367function theme_print_pdf_format_link() {
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368 $print_pdf_link_class = variable_get('print_pdf_link_class', PRINT_PDF_LINK_CLASS_DEFAULT);
369 $print_pdf_content_disposition = variable_get('print_pdf_content_disposition', PRINT_PDF_CONTENT_DISPOSITION_DEFAULT);
370 $print_pdf_show_link = variable_get('print_pdf_show_link', PRINT_PDF_SHOW_LINK_DEFAULT);
d9482703 371 $print_pdf_link_text = filter_xss(variable_get('print_pdf_link_text', t('PDF version')));
cc224831 372
ded70136 373 $img = drupal_get_path('module', 'print') .'/icons/pdf_icon.gif';
67026c64 374 $title = t('Display a PDF version of this page.');
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375 $class = strip_tags($print_pdf_link_class);
376 $new_window = ($print_pdf_content_disposition == 1);
cff875bc 377 $format = _print_format_link_aux($print_pdf_show_link, $print_pdf_link_text, $img);
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378
379 return array('text' => $format['text'],
380 'html' => $format['html'],
77d2b585 381 'attributes' => print_fill_attributes($title, $class, $new_window),
e8517dd5 382 );
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383}
384
385/**
7934fadc 386 * Auxiliary function to display a formatted PDF version link
9c35190f 387 *
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388 * Function made available so that developers may call this function from
389 * their defined pages/blocks.
390 *
391 * @param $path
392 * path of the original page (optional). If not specified, the current URL
393 * is used
394 * @param $node
395 * an optional node object, to be used in defining the path, if used, the
396 * path argument is irrelevant
397 * @return
398 * string with the HTML link to the printer-friendly page
9c35190f 399 */
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400function print_pdf_insert_link($path = NULL, $node = NULL) {
401 if ($node !== NULL) {
402 $nid = $node->nid;
403 $path = 'node/'. $nid;
404 $allowed_type = print_pdf_link_allowed(array('node' => $node));
405 }
406 else {
9c35190f 407 if ($path === NULL) {
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408 $nid = preg_replace('!^node/!', '', $_GET['q']);
409 $path = $_GET['q'];
410 }
411 else {
412 $nid = NULL;
413 }
414 $allowed_type = print_pdf_link_allowed(array('path' => $path));
415 }
16082a66 416
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417 if ($allowed_type) {
418 if ($nid !== NULL) {
419 if ($allowed_type === PRINT_ALLOW_BOOK_LINK) {
420 $path = 'book/export/html/'. $nid;
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421 }
422 else {
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423 if (variable_get('print_pdf_link_use_alias', PRINT_PDF_LINK_USE_ALIAS_DEFAULT)) {
424 $path = drupal_get_path_alias($path);
425 }
426 else {
427 $path = $nid;
428 }
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429 }
430 $path = PRINTPDF_PATH .'/'. $path;
cc224831 431 $query = print_query_string_encode($_GET, array('q'));
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432 if (empty($query)) {
433 $query = NULL;
434 }
435 }
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436 else {
437 $query = NULL;
438 }
7934fadc 439 drupal_add_css(drupal_get_path('module', 'print') .'/css/printlinks.css');
9c35190f 440 $format = theme('print_pdf_format_link');
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441 return '<span class="print_pdf">'. l($format['text'], $path, array('attributes' => $format['attributes'], 'query' => $query, 'absolute' => TRUE, 'html' => $format['html'])) .'</span>';
442 }
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443 else {
444 return FALSE;
445 }
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446}
447
448/**
449 * Determine a the link to the PDF version is allowed depending on all possible settings
450 *
451 * @param $args
452 * array containing the possible parameters:
453 * teaser, node, type, path
454 * @return
455 * FALSE if not allowed
456 * PRINT_ALLOW_NORMAL_LINK if a normal link is allowed
457 * PRINT_ALLOW_BOOK_LINK if a link is allowed in a book node
458 */
459function print_pdf_link_allowed($args) {
e7fb3470 460 $print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
0537cb5c 461 if (!empty($args['teaser']) || !user_access('access PDF version') || (empty($print_pdf_pdf_tool))) {
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462 // If showing only the teaser or the user is not allowed or link is disabled
463 return FALSE;
464 }
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465 if (!empty($args['path'])) {
466 $nid = preg_replace('!^node/!', '', drupal_get_normal_path($args['path']));
467 if (is_numeric($nid)) {
d21a1360 468 $args['node'] = node_load($nid);
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469 }
470 }
5fc86047 471 if (!empty($args['node'])) {
cc224831 472 static $node_type = FALSE;
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473
474 $node = $args['node'];
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475 if (isset($node->type)) {
476 $node_type = $node->type;
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477 }
478 // Node
479 $print_pdf_node_link_visibility = variable_get('print_pdf_node_link_visibility', PRINT_PDF_NODE_LINK_VISIBILITY_DEFAULT);
480 $print_pdf_node_link_pages = variable_get('print_pdf_node_link_pages', PRINT_PDF_NODE_LINK_PAGES_DEFAULT);
481
371610ef 482 if (!_print_page_match($print_pdf_node_link_visibility, "node/". $node->nid, $print_pdf_node_link_pages)) {
440cb593 483 // Page not in visibility list
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484 return FALSE;
485 }
5fc86047 486 elseif (isset($args['type']) && ($args['type'] == 'comment') && isset($node_type)) {
cc224831 487 // Link is for a comment, return the configured setting
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488 $res = db_fetch_object(db_query("SELECT comments FROM {print_pdf_node_conf} WHERE nid = %d", $node->nid));
489 $print_display_comment = $res ? intval($res->comments) : PRINT_TYPE_COMMENT_LINK_DEFAULT;
490 if (($print_display_comment) ||
491 variable_get('print_pdf_display_comment_'. $node_type, PRINT_TYPE_COMMENT_LINK_DEFAULT)) {
492 return PRINT_ALLOW_NORMAL_LINK;
493 }
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494 }
495 else {
496 // Node link
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497 if ((!$node->print_pdf_display) || (isset($node_type) &&
498 !variable_get('print_pdf_display_'. $node_type, PRINT_TYPE_SHOW_LINK_DEFAULT))) {
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499 // Link for this node type is disabled
500 return FALSE;
501 }
2891fe2b 502 elseif (isset($node->book)) {
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503 // Node is a book;
504 $print_pdf_book_link = variable_get('print_pdf_book_link', PRINT_PDF_BOOK_LINK_DEFAULT);
ea77807a
JV
505 switch ($print_pdf_book_link) {
506 case 1:
507 if (user_access('access printer-friendly version')) {
508 return PRINT_ALLOW_BOOK_LINK;
509 }
510 break;
511 case 2:
512 return PRINT_ALLOW_NORMAL_LINK;
cc224831
JV
513 }
514 }
515 else {
516 return PRINT_ALLOW_NORMAL_LINK;
517 }
518 }
519 }
520 else {
521 // 'System' page
522 $print_pdf_sys_link_visibility = variable_get('print_pdf_sys_link_visibility', PRINT_PDF_SYS_LINK_VISIBILITY_DEFAULT);
523 $print_pdf_sys_link_pages = variable_get('print_pdf_sys_link_pages', PRINT_PDF_SYS_LINK_PAGES_DEFAULT);
524
371610ef 525 return _print_page_match($print_pdf_sys_link_visibility, $_GET['q'], $print_pdf_sys_link_pages);
9c35190f 526 }
ea77807a 527 return FALSE;
9c35190f 528}