weekly release 2.8dev
[moodle.git] / mod / wiki / pagelib.php
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1<?php
2
3// This file is part of Moodle - http://moodle.org/
4//
5// Moodle is free software: you can redistribute it and/or modify
6// it under the terms of the GNU General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// Moodle is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
17
18/**
19 * This file contains several classes uses to render the diferent pages
20 * of the wiki module
21 *
593b8385 22 * @package mod_wiki
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23 * @copyright 2009 Marc Alier, Jordi Piguillem marc.alier@upc.edu
24 * @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
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25 *
26 * @author Jordi Piguillem
27 * @author Marc Alier
28 * @author David Jimenez
29 * @author Josep Arus
30 * @author Daniel Serrano
31 * @author Kenneth Riba
32 *
33 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
34 */
35
36require_once($CFG->dirroot . '/mod/wiki/edit_form.php');
37require_once($CFG->dirroot . '/tag/lib.php');
38
39/**
40 * Class page_wiki contains the common code between all pages
41 *
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42 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
43 */
44abstract class page_wiki {
45
46 /**
47 * @var object Current subwiki
48 */
49 protected $subwiki;
50
51 /**
52 * @var int Current page
53 */
54 protected $page;
55
56 /**
57 * @var string Current page title
58 */
59 protected $title;
60
61 /**
62 * @var int Current group ID
63 */
64 protected $gid;
65
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66 /**
67 * @var object module context object
68 */
69 protected $modcontext;
70
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71 /**
72 * @var int Current user ID
73 */
74 protected $uid;
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75 /**
76 * @var array The tabs set used in wiki module
77 */
cfffb69c 78 protected $tabs = array('view' => 'view', 'edit' => 'edit', 'comments' => 'comments',
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79 'history' => 'history', 'map' => 'map', 'files' => 'files',
80 'admin' => 'admin');
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81 /**
82 * @var array tabs options
83 */
84 protected $tabs_options = array();
85 /**
86 * @var object wiki renderer
87 */
88 protected $wikioutput;
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89 /**
90 * @var stdClass course module.
91 */
92 protected $cm;
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93
94 /**
95 * page_wiki constructor
96 *
97 * @param $wiki. Current wiki
98 * @param $subwiki. Current subwiki.
99 * @param $cm. Current course_module.
100 */
101 function __construct($wiki, $subwiki, $cm) {
102 global $PAGE, $CFG;
103 $this->subwiki = $subwiki;
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104 $this->cm = $cm;
105 $this->modcontext = context_module::instance($this->cm->id);
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106
107 // initialise wiki renderer
108 $this->wikioutput = $PAGE->get_renderer('mod_wiki');
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109 $PAGE->set_cacheable(true);
110 $PAGE->set_cm($cm);
111 $PAGE->set_activity_record($wiki);
112 // the search box
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113 if (!empty($subwiki->id)) {
114 $search = optional_param('searchstring', null, PARAM_ALPHANUMEXT);
115 $PAGE->set_button(wiki_search_form($cm, $search, $subwiki));
116 }
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117 }
118
119 /**
120 * This method prints the top of the page.
121 */
122 function print_header() {
123 global $OUTPUT, $PAGE, $CFG, $USER, $SESSION;
124
8c6ca696 125 $PAGE->set_heading($PAGE->course->fullname);
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126
127 $this->set_url();
128
129 if (isset($SESSION->wikipreviousurl) && is_array($SESSION->wikipreviousurl)) {
130 $this->process_session_url();
131 }
132 $this->set_session_url();
133
134 $this->create_navbar();
135 $this->setup_tabs();
136
137 echo $OUTPUT->header();
341e2460 138 $wiki = $PAGE->activityrecord;
876c0ac3 139 echo $OUTPUT->heading($wiki->name);
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140
141 echo $this->wikioutput->wiki_info();
142
143 // tabs are associated with pageid, so if page is empty, tabs should be disabled
144 if (!empty($this->page) && !empty($this->tabs)) {
145 echo $this->wikioutput->tabs($this->page, $this->tabs, $this->tabs_options);
146 }
147 }
148
149 /**
150 * Protected method to print current page title.
151 */
152 protected function print_pagetitle() {
153 global $OUTPUT;
154 $html = '';
155
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156 $html .= $OUTPUT->container_start('wiki_headingtitle');
157 $html .= $OUTPUT->heading(format_string($this->title), 3);
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158 $html .= $OUTPUT->container_end();
159 echo $html;
160 }
161
162 /**
163 * Setup page tabs, if options is empty, will set up active tab automatically
164 * @param array $options, tabs options
165 */
166 protected function setup_tabs($options = array()) {
cfffb69c 167 global $CFG, $PAGE;
4a28ff88 168 $groupmode = groups_get_activity_groupmode($this->cm);
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169
170 if (empty($CFG->usecomments) || !has_capability('mod/wiki:viewcomment', $PAGE->context)){
171 unset($this->tabs['comments']);
172 }
173
174 if (!has_capability('mod/wiki:editpage', $PAGE->context)){
175 unset($this->tabs['edit']);
176 }
177
dc0cabb4 178 if ($groupmode and $groupmode == VISIBLEGROUPS) {
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179 $currentgroup = groups_get_activity_group($this->cm);
180 $manage = has_capability('mod/wiki:managewiki', $this->modcontext);
dc0cabb4 181 $edit = has_capability('mod/wiki:editpage', $PAGE->context);
6cf8f401 182 if (!$manage and !($edit and groups_is_member($currentgroup))) {
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183 unset($this->tabs['edit']);
184 }
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185 }
186
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187 if (empty($options)) {
188 $this->tabs_options = array('activetab' => substr(get_class($this), 10));
189 } else {
190 $this->tabs_options = $options;
191 }
192
193 }
194
195 /**
196 * This method must be overwritten to print the page content.
197 */
198 function print_content() {
199 throw new coding_exception('Page wiki class does not implement method print_content()');
200 }
201
202 /**
203 * Method to set the current page
204 *
205 * @param object $page Current page
206 */
207 function set_page($page) {
208 global $PAGE;
209
210 $this->page = $page;
211 $this->title = $page->title;
4c4e6591 212 // set_title calls format_string itself so no probs there
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213 $PAGE->set_title($this->title);
214 }
215
216 /**
217 * Method to set the current page title.
218 * This method must be called when the current page is not created yet.
219 * @param string $title Current page title.
220 */
221 function set_title($title) {
222 global $PAGE;
223
224 $this->page = null;
225 $this->title = $title;
4c4e6591 226 // set_title calls format_string itself so no probs there
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227 $PAGE->set_title($this->title);
228 }
229
230 /**
231 * Method to set current group id
232 * @param int $gid Current group id
233 */
234 function set_gid($gid) {
235 $this->gid = $gid;
236 }
237
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238 /**
239 * Method to set current user id
240 * @param int $uid Current user id
241 */
242 function set_uid($uid) {
243 $this->uid = $uid;
244 }
245
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246 /**
247 * Method to set the URL of the page.
248 * This method must be overwritten by every type of page.
249 */
250 protected function set_url() {
251 throw new coding_exception('Page wiki class does not implement method set_url()');
252 }
253
254 /**
255 * Protected method to create the common items of the navbar in every page type.
256 */
257 protected function create_navbar() {
258 global $PAGE, $CFG;
259
110f4c93 260 $PAGE->navbar->add(format_string($this->title), $CFG->wwwroot . '/mod/wiki/view.php?pageid=' . $this->page->id);
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261 }
262
263 /**
264 * This method print the footer of the page.
265 */
266 function print_footer() {
267 global $OUTPUT;
268 echo $OUTPUT->footer();
269 }
270
271 protected function process_session_url() {
272 global $USER, $SESSION;
273
274 //delete locks if edit
275 $url = $SESSION->wikipreviousurl;
276 switch ($url['page']) {
277 case 'edit':
278 wiki_delete_locks($url['params']['pageid'], $USER->id, $url['params']['section'], false);
279 break;
280 }
281 }
282
283 protected function set_session_url() {
284 global $SESSION;
285 unset($SESSION->wikipreviousurl);
286 }
287
288}
289
290/**
291 * View a wiki page
292 *
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293 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
294 */
295class page_wiki_view extends page_wiki {
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296
297 function print_header() {
298 global $PAGE;
299
300 parent::print_header();
301
12c9bbbd 302 $this->wikioutput->wiki_print_subwiki_selector($PAGE->activityrecord, $this->subwiki, $this->page, 'view');
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303
304 if (!empty($this->page)) {
305 echo $this->wikioutput->prettyview_link($this->page);
306 }
307
308 //echo $this->wikioutput->page_index();
309
310 $this->print_pagetitle();
311 }
312
313 function print_content() {
314 global $PAGE, $CFG;
315
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316 if (wiki_user_can_view($this->subwiki)) {
317
318 if (!empty($this->page)) {
cfdac90f 319 wiki_print_page_content($this->page, $this->modcontext, $this->subwiki->id);
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320 $wiki = $PAGE->activityrecord;
321 } else {
322 print_string('nocontent', 'wiki');
323 // TODO: fix this part
324 $swid = 0;
325 if (!empty($this->subwiki)) {
326 $swid = $this->subwiki->id;
327 }
328 }
329 } else {
033e8461 330 echo get_string('cannotviewpage', 'wiki');
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331 }
332 }
333
334 function set_url() {
335 global $PAGE, $CFG;
336 $params = array();
337
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338 if (isset($this->cm->id)) {
339 $params['id'] = $this->cm->id;
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340 } else if (!empty($this->page) and $this->page != null) {
341 $params['pageid'] = $this->page->id;
342 } else if (!empty($this->gid)) {
4a28ff88 343 $params['wid'] = $this->cm->instance;
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344 $params['group'] = $this->gid;
345 } else if (!empty($this->title)) {
346 $params['swid'] = $this->subwiki->id;
347 $params['title'] = $this->title;
348 } else {
349 print_error(get_string('invalidparameters', 'wiki'));
350 }
4c4e6591 351 $PAGE->set_url(new moodle_url($CFG->wwwroot . '/mod/wiki/view.php', $params));
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352 }
353
00710f4c 354 protected function create_navbar() {
4c4e6591 355 global $PAGE;
00710f4c 356
110f4c93 357 $PAGE->navbar->add(format_string($this->title));
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358 $PAGE->navbar->add(get_string('view', 'wiki'));
359 }
360}
361
362/**
363 * Wiki page editing page
364 *
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365 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
366 */
367class page_wiki_edit extends page_wiki {
368
369 public static $attachmentoptions;
370
371 protected $sectioncontent;
372 /** @var string the section name needed to be edited */
373 protected $section;
374 protected $overridelock = false;
375 protected $versionnumber = -1;
376 protected $upload = false;
377 protected $attachments = 0;
378 protected $deleteuploads = array();
379 protected $format;
380
381 function __construct($wiki, $subwiki, $cm) {
382 global $CFG, $PAGE;
383 parent::__construct($wiki, $subwiki, $cm);
23c79945 384 self::$attachmentoptions = array('subdirs' => false, 'maxfiles' => - 1, 'maxbytes' => $CFG->maxbytes, 'accepted_types' => '*');
00710f4c 385 $PAGE->requires->js_init_call('M.mod_wiki.renew_lock', null, true);
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386 }
387
388 protected function print_pagetitle() {
389 global $OUTPUT;
390
391 $title = $this->title;
392 if (isset($this->section)) {
393 $title .= ' : ' . $this->section;
394 }
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395 echo $OUTPUT->container_start('wiki_clear wiki_headingtitle');
396 echo $OUTPUT->heading(format_string($title), 3);
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397 echo $OUTPUT->container_end();
398 }
399
400 function print_header() {
401 global $OUTPUT, $PAGE;
402 $PAGE->requires->data_for_js('wiki', array('renew_lock_timeout' => LOCK_TIMEOUT - 5, 'pageid' => $this->page->id, 'section' => $this->section));
403
404 parent::print_header();
405
406 $this->print_pagetitle();
407
408 print '<noscript>' . $OUTPUT->box(get_string('javascriptdisabledlocks', 'wiki'), 'errorbox') . '</noscript>';
409 }
410
411 function print_content() {
412 global $PAGE;
413
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414 if (wiki_user_can_edit($this->subwiki)) {
415 $this->print_edit();
416 } else {
033e8461 417 echo get_string('cannoteditpage', 'wiki');
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418 }
419 }
420
421 protected function set_url() {
422 global $PAGE, $CFG;
423
424 $params = array('pageid' => $this->page->id);
425
426 if (isset($this->section)) {
427 $params['section'] = $this->section;
428 }
429
430 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/edit.php', $params);
431 }
432
433 protected function set_session_url() {
434 global $SESSION;
435
436 $SESSION->wikipreviousurl = array('page' => 'edit', 'params' => array('pageid' => $this->page->id, 'section' => $this->section));
437 }
438
439 protected function process_session_url() {
440 }
441
442 function set_section($sectioncontent, $section) {
443 $this->sectioncontent = $sectioncontent;
444 $this->section = $section;
445 }
446
447 public function set_versionnumber($versionnumber) {
448 $this->versionnumber = $versionnumber;
449 }
450
451 public function set_overridelock($override) {
452 $this->overridelock = $override;
453 }
454
455 function set_format($format) {
456 $this->format = $format;
457 }
458
459 public function set_upload($upload) {
460 $this->upload = $upload;
461 }
462
463 public function set_attachments($attachments) {
464 $this->attachments = $attachments;
465 }
466
467 public function set_deleteuploads($deleteuploads) {
468 $this->deleteuploads = $deleteuploads;
469 }
470
471 protected function create_navbar() {
472 global $PAGE, $CFG;
473
474 parent::create_navbar();
475
476 $PAGE->navbar->add(get_string('edit', 'wiki'));
477 }
478
479 protected function check_locks() {
480 global $OUTPUT, $USER, $CFG;
481
482 if (!wiki_set_lock($this->page->id, $USER->id, $this->section, true)) {
483 print $OUTPUT->box(get_string('pageislocked', 'wiki'), 'generalbox boxwidthnormal boxaligncenter');
484
485 if ($this->overridelock) {
486 $params = 'pageid=' . $this->page->id;
487
488 if ($this->section) {
1323bf55 489 $params .= '&section=' . urlencode($this->section);
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490 }
491
492 $form = '<form method="post" action="' . $CFG->wwwroot . '/mod/wiki/overridelocks.php?' . $params . '">';
493 $form .= '<input type="hidden" name="sesskey" value="' . sesskey() . '" />';
494 $form .= '<input type="submit" value="' . get_string('overridelocks', 'wiki') . '" />';
495 $form .= '</form>';
496
497 print $OUTPUT->box($form, 'generalbox boxwidthnormal boxaligncenter');
498 }
499 return false;
500 }
501 return true;
502 }
503
504 protected function print_edit($content = null) {
505 global $CFG, $OUTPUT, $USER, $PAGE;
506
507 if (!$this->check_locks()) {
508 return;
509 }
510
511 //delete old locks (> 1 hour)
512 wiki_delete_old_locks();
513
514 $version = wiki_get_current_version($this->page->id);
515 $format = $version->contentformat;
516
517 if ($content == null) {
518 if (empty($this->section)) {
519 $content = $version->content;
520 } else {
521 $content = $this->sectioncontent;
522 }
523 }
524
525 $versionnumber = $version->version;
526 if ($this->versionnumber >= 0) {
527 if ($version->version != $this->versionnumber) {
528 print $OUTPUT->box(get_string('wrongversionlock', 'wiki'), 'errorbox');
529 $versionnumber = $this->versionnumber;
530 }
531 }
532
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533 $url = $CFG->wwwroot . '/mod/wiki/edit.php?pageid=' . $this->page->id;
534 if (!empty($this->section)) {
1323bf55 535 $url .= "&section=" . urlencode($this->section);
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536 }
537
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538 $params = array(
539 'attachmentoptions' => page_wiki_edit::$attachmentoptions,
540 'format' => $version->contentformat,
541 'version' => $versionnumber,
542 'pagetitle' => $this->page->title,
543 'contextid' => $this->modcontext->id
544 );
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545
546 $data = new StdClass();
547 $data->newcontent = $content;
548 $data->version = $versionnumber;
549 $data->format = $format;
550
551 switch ($format) {
552 case 'html':
553 $data->newcontentformat = FORMAT_HTML;
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554 // Append editor context to editor options, giving preference to existing context.
555 page_wiki_edit::$attachmentoptions = array_merge(array('context' => $this->modcontext), page_wiki_edit::$attachmentoptions);
cfdac90f 556 $data = file_prepare_standard_editor($data, 'newcontent', page_wiki_edit::$attachmentoptions, $this->modcontext, 'mod_wiki', 'attachments', $this->subwiki->id);
00710f4c 557 break;
74c6a62c 558 default:
12c9bbbd 559 break;
4c4e6591 560 }
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561
562 if ($version->contentformat != 'html') {
00710f4c 563 $params['fileitemid'] = $this->subwiki->id;
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564 $params['component'] = 'mod_wiki';
565 $params['filearea'] = 'attachments';
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566 }
567
568 $form = new mod_wiki_edit_form($url, $params);
569
00710f4c 570 if ($formdata = $form->get_data()) {
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571 if (!empty($CFG->usetags)) {
572 $data->tags = $formdata->tags;
573 }
574 } else {
575 if (!empty($CFG->usetags)) {
1d2c29ca 576 $data->tags = tag_get_tags_array('wiki_pages', $this->page->id);
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577 }
578 }
579
580 $form->set_data($data);
581 $form->display();
582 }
583
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584}
585
586/**
587 * Class that models the behavior of wiki's view comments page
588 *
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589 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
590 */
591class page_wiki_comments extends page_wiki {
592
593 function print_header() {
594
595 parent::print_header();
596
597 $this->print_pagetitle();
598
599 }
600
601 function print_content() {
cfdac90f 602 global $CFG, $OUTPUT, $USER, $PAGE;
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603 require_once($CFG->dirroot . '/mod/wiki/locallib.php');
604
605 $page = $this->page;
606 $subwiki = $this->subwiki;
607 $wiki = $PAGE->activityrecord;
cfdac90f 608 list($context, $course, $cm) = get_context_info_array($this->modcontext->id);
00710f4c 609
cfdac90f 610 require_capability('mod/wiki:viewcomment', $this->modcontext, NULL, true, 'noviewcommentpermission', 'wiki');
00710f4c 611
cfdac90f 612 $comments = wiki_get_comments($this->modcontext->id, $page->id);
00710f4c 613
cfdac90f 614 if (has_capability('mod/wiki:editcomment', $this->modcontext)) {
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615 echo '<div class="midpad"><a href="' . $CFG->wwwroot . '/mod/wiki/editcomments.php?action=add&amp;pageid=' . $page->id . '">' . get_string('addcomment', 'wiki') . '</a></div>';
616 }
617
618 $options = array('swid' => $this->page->subwikiid, 'pageid' => $page->id);
619 $version = wiki_get_current_version($this->page->id);
620 $format = $version->contentformat;
621
622 if (empty($comments)) {
876c0ac3 623 echo html_writer::tag('p', get_string('nocomments', 'wiki'), array('class' => 'bold'));
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624 }
625
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626 foreach ($comments as $comment) {
627
628 $user = wiki_get_user_info($comment->userid);
00710f4c 629
1df23626 630 $fullname = fullname($user, has_capability('moodle/site:viewfullnames', context_course::instance($course->id)));
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631 $by = new stdclass();
632 $by->name = '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $user->id . '&amp;course=' . $course->id . '">' . $fullname . '</a>';
9ffd2726 633 $by->date = userdate($comment->timecreated);
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634
635 $t = new html_table();
636 $cell1 = new html_table_cell($OUTPUT->user_picture($user, array('popup' => true)));
637 $cell2 = new html_table_cell(get_string('bynameondate', 'forum', $by));
638 $cell3 = new html_table_cell();
639 $cell3->atributtes ['width'] = "80%";
640 $cell4 = new html_table_cell();
641 $cell5 = new html_table_cell();
642
643 $row1 = new html_table_row();
644 $row1->cells[] = $cell1;
645 $row1->cells[] = $cell2;
646 $row2 = new html_table_row();
647 $row2->cells[] = $cell3;
648
649 if ($format != 'html') {
650 if ($format == 'creole') {
9ffd2726 651 $parsedcontent = wiki_parse_content('creole', $comment->content, $options);
00710f4c 652 } else if ($format == 'nwiki') {
9ffd2726 653 $parsedcontent = wiki_parse_content('nwiki', $comment->content, $options);
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654 }
655
1a4596e4 656 $cell4->text = format_text(html_entity_decode($parsedcontent['parsed_text'], ENT_QUOTES, 'UTF-8'), FORMAT_HTML);
00710f4c 657 } else {
110f4c93 658 $cell4->text = format_text($comment->content, FORMAT_HTML);
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659 }
660
661 $row2->cells[] = $cell4;
662
9bf1b716 663 $t->data = array($row1, $row2);
00710f4c 664
9bf1b716 665 $actionicons = false;
cfdac90f 666 if ((has_capability('mod/wiki:managecomment', $this->modcontext))) {
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667 $urledit = new moodle_url('/mod/wiki/editcomments.php', array('commentid' => $comment->id, 'pageid' => $page->id, 'action' => 'edit'));
668 $urldelet = new moodle_url('/mod/wiki/instancecomments.php', array('commentid' => $comment->id, 'pageid' => $page->id, 'action' => 'delete'));
9bf1b716 669 $actionicons = true;
cfdac90f 670 } else if ((has_capability('mod/wiki:editcomment', $this->modcontext)) and ($USER->id == $user->id)) {
9ffd2726
JP
671 $urledit = new moodle_url('/mod/wiki/editcomments.php', array('commentid' => $comment->id, 'pageid' => $page->id, 'action' => 'edit'));
672 $urldelet = new moodle_url('/mod/wiki/instancecomments.php', array('commentid' => $comment->id, 'pageid' => $page->id, 'action' => 'delete'));
9bf1b716
JP
673 $actionicons = true;
674 }
675
cfffb69c 676 if ($actionicons) {
ae41a70b
FM
677 $cell6 = new html_table_cell($OUTPUT->action_icon($urledit, new pix_icon('t/edit', get_string('edit'),
678 '', array('class' => 'iconsmall'))) . $OUTPUT->action_icon($urldelet, new pix_icon('t/delete',
679 get_string('delete'), '', array('class' => 'iconsmall'))));
00710f4c
DC
680 $row3 = new html_table_row();
681 $row3->cells[] = $cell5;
682 $row3->cells[] = $cell6;
9bf1b716 683 $t->data[] = $row3;
00710f4c
DC
684 }
685
367a75fa 686 echo html_writer::tag('div', html_writer::table($t), array('class'=>'no-overflow'));
00710f4c
DC
687
688 }
689 }
690
691 function set_url() {
692 global $PAGE, $CFG;
693 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/comments.php', array('pageid' => $this->page->id));
694 }
695
696 protected function create_navbar() {
697 global $PAGE, $CFG;
698
699 parent::create_navbar();
700 $PAGE->navbar->add(get_string('comments', 'wiki'));
701 }
702
703}
704
705/**
706 * Class that models the behavior of wiki's edit comment
707 *
00710f4c
DC
708 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
709 */
710class page_wiki_editcomment extends page_wiki {
711 private $comment;
712 private $action;
713 private $form;
714 private $format;
715
716 function set_url() {
717 global $PAGE, $CFG;
718 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/comments.php', array('pageid' => $this->page->id));
719 }
720
721 function print_header() {
722 parent::print_header();
723 $this->print_pagetitle();
724 }
725
726 function print_content() {
727 global $PAGE;
728
cfdac90f 729 require_capability('mod/wiki:editcomment', $this->modcontext, NULL, true, 'noeditcommentpermission', 'wiki');
00710f4c
DC
730
731 if ($this->action == 'add') {
732 $this->add_comment_form();
733 } else if ($this->action == 'edit') {
734 $this->edit_comment_form($this->comment);
735 }
736 }
737
738 function set_action($action, $comment) {
739 global $CFG;
740 require_once($CFG->dirroot . '/mod/wiki/comments_form.php');
741
742 $this->action = $action;
743 $this->comment = $comment;
744 $version = wiki_get_current_version($this->page->id);
745 $this->format = $version->contentformat;
746
747 if ($this->format == 'html') {
748 $destination = $CFG->wwwroot . '/mod/wiki/instancecomments.php?pageid=' . $this->page->id;
749 $this->form = new mod_wiki_comments_form($destination);
750 }
751 }
752
753 protected function create_navbar() {
754 global $PAGE, $CFG;
755
756 $PAGE->navbar->add(get_string('comments', 'wiki'), $CFG->wwwroot . '/mod/wiki/comments.php?pageid=' . $this->page->id);
757
758 if ($this->action == 'add') {
759 $PAGE->navbar->add(get_string('insertcomment', 'wiki'));
760 } else {
761 $PAGE->navbar->add(get_string('editcomment', 'wiki'));
762 }
763 }
764
54352ac9 765 protected function setup_tabs($options = array()) {
00710f4c
DC
766 parent::setup_tabs(array('linkedwhenactive' => 'comments', 'activetab' => 'comments'));
767 }
768
769 private function add_comment_form() {
770 global $CFG;
771 require_once($CFG->dirroot . '/mod/wiki/editors/wiki_editor.php');
772
773 $pageid = $this->page->id;
774
775 if ($this->format == 'html') {
48346fb1
AB
776 $com = new stdClass();
777 $com->action = 'add';
778 $com->commentoptions = array('trusttext' => true, 'maxfiles' => 0);
779 $this->form->set_data($com);
00710f4c
DC
780 $this->form->display();
781 } else {
e0f0c304 782 wiki_print_editor_wiki($this->page->id, null, $this->format, -1, null, false, null, 'addcomments');
00710f4c
DC
783 }
784 }
785
786 private function edit_comment_form($com) {
787 global $CFG;
788 require_once($CFG->dirroot . '/mod/wiki/comments_form.php');
789 require_once($CFG->dirroot . '/mod/wiki/editors/wiki_editor.php');
790
791 if ($this->format == 'html') {
00710f4c
DC
792 $com->action = 'edit';
793 $com->entrycomment_editor['text'] = $com->content;
48346fb1 794 $com->commentoptions = array('trusttext' => true, 'maxfiles' => 0);
00710f4c 795
48346fb1 796 $this->form->set_data($com);
00710f4c
DC
797 $this->form->display();
798 } else {
48346fb1 799 wiki_print_editor_wiki($this->page->id, $com->content, $this->format, -1, null, false, array(), 'editcomments', $com->id);
00710f4c
DC
800 }
801
802 }
803
804}
805
806/**
807 * Wiki page search page
808 *
00710f4c
DC
809 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
810 */
811class page_wiki_search extends page_wiki {
812 private $search_result;
813
814 protected function create_navbar() {
815 global $PAGE, $CFG;
816
86cfd273 817 $PAGE->navbar->add(format_string($this->title));
00710f4c
DC
818 }
819
820 function set_search_string($search, $searchcontent) {
821 $swid = $this->subwiki->id;
822 if ($searchcontent) {
823 $this->search_result = wiki_search_all($swid, $search);
824 } else {
825 $this->search_result = wiki_search_title($swid, $search);
826 }
827
828 }
829
830 function set_url() {
831 global $PAGE, $CFG;
832 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/search.php');
833 }
d3adc16e
MG
834
835 function print_header() {
836 global $PAGE;
837
838 parent::print_header();
839
840 $wiki = $PAGE->activityrecord;
841 $page = (object)array('title' => $wiki->firstpagetitle);
842 $this->wikioutput->wiki_print_subwiki_selector($wiki, $this->subwiki, $page, 'search');
843 }
844
00710f4c
DC
845 function print_content() {
846 global $PAGE;
847
cfdac90f 848 require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
00710f4c 849
cfdac90f 850 echo $this->wikioutput->search_result($this->search_result, $this->subwiki);
00710f4c
DC
851 }
852}
853
854/**
855 *
856 * Class that models the behavior of wiki's
857 * create page
858 *
859 */
860class page_wiki_create extends page_wiki {
861
862 private $format;
863 private $swid;
af49fc36 864 private $wid;
00710f4c
DC
865 private $action;
866 private $mform;
5dedd64d 867 private $groups;
00710f4c
DC
868
869 function print_header() {
870 $this->set_url();
871 parent::print_header();
872 }
873
874 function set_url() {
875 global $PAGE, $CFG;
876
877 $params = array();
4c4e6591 878 $params['swid'] = $this->swid;
00710f4c
DC
879 if ($this->action == 'new') {
880 $params['action'] = 'new';
af49fc36 881 $params['wid'] = $this->wid;
00710f4c
DC
882 if ($this->title != get_string('newpage', 'wiki')) {
883 $params['title'] = $this->title;
884 }
00710f4c
DC
885 } else {
886 $params['action'] = 'create';
00710f4c 887 }
4c4e6591 888 $PAGE->set_url(new moodle_url('/mod/wiki/create.php', $params));
00710f4c
DC
889 }
890
891 function set_format($format) {
892 $this->format = $format;
893 }
894
af49fc36
AB
895 function set_wid($wid) {
896 $this->wid = $wid;
897 }
898
00710f4c
DC
899 function set_swid($swid) {
900 $this->swid = $swid;
901 }
902
5dedd64d
AG
903 function set_availablegroups($group) {
904 $this->groups = $group;
905 }
906
00710f4c 907 function set_action($action) {
74c6a62c 908 global $PAGE;
00710f4c
DC
909 $this->action = $action;
910
911 require_once(dirname(__FILE__) . '/create_form.php');
5dedd64d 912 $url = new moodle_url('/mod/wiki/create.php', array('action' => 'create', 'wid' => $PAGE->activityrecord->id, 'group' => $this->gid, 'uid' => $this->uid));
00710f4c 913 $formats = wiki_get_formats();
5dedd64d 914 $options = array('formats' => $formats, 'defaultformat' => $PAGE->activityrecord->defaultformat, 'forceformat' => $PAGE->activityrecord->forceformat, 'groups' => $this->groups);
00710f4c
DC
915 if ($this->title != get_string('newpage', 'wiki')) {
916 $options['disable_pagetitle'] = true;
917 }
918 $this->mform = new mod_wiki_create_form($url->out(false), $options);
919 }
920
921 protected function create_navbar() {
922 global $PAGE;
4c4e6591 923 // navigation_node::get_content formats this before printing.
00710f4c
DC
924 $PAGE->navbar->add($this->title);
925 }
926
927 function print_content($pagetitle = '') {
928 global $PAGE;
929
00710f4c 930 // @TODO: Change this to has_capability and show an alternative interface.
cfdac90f 931 require_capability('mod/wiki:createpage', $this->modcontext, NULL, true, 'nocreatepermission', 'wiki');
6bdfef5d 932 $data = new stdClass();
00710f4c
DC
933 if (!empty($pagetitle)) {
934 $data->pagetitle = $pagetitle;
935 }
936 $data->pageformat = $PAGE->activityrecord->defaultformat;
937
938 $this->mform->set_data($data);
939 $this->mform->display();
940 }
941
97f2eb45 942 function create_page($pagetitle) {
5dedd64d
AG
943 global $USER, $PAGE;
944
00710f4c 945 $data = $this->mform->get_data();
5dedd64d
AG
946 if (isset($data->groupinfo)) {
947 $groupid = $data->groupinfo;
9daabc71
AG
948 } else if (!empty($this->gid)) {
949 $groupid = $this->gid;
5dedd64d
AG
950 } else {
951 $groupid = '0';
952 }
6947c57a
RT
953 if (empty($this->subwiki)) {
954 // If subwiki is not set then try find one and set else create one.
70a9f27b 955 if (!$this->subwiki = wiki_get_subwiki_by_group($this->wid, $groupid, $this->uid)) {
6947c57a
RT
956 $swid = wiki_add_subwiki($PAGE->activityrecord->id, $groupid, $this->uid);
957 $this->subwiki = wiki_get_subwiki($swid);
958 }
74c6a62c 959 }
97f2eb45 960 if ($data) {
b7921fc4 961 $this->set_title($data->pagetitle);
97f2eb45
DC
962 $id = wiki_create_page($this->subwiki->id, $data->pagetitle, $data->pageformat, $USER->id);
963 } else {
b7921fc4 964 $this->set_title($pagetitle);
97f2eb45
DC
965 $id = wiki_create_page($this->subwiki->id, $pagetitle, $PAGE->activityrecord->defaultformat, $USER->id);
966 }
b7921fc4
DV
967 $this->page = $id;
968 return $id;
00710f4c
DC
969 }
970}
971
972class page_wiki_preview extends page_wiki_edit {
973
974 private $newcontent;
975
976 function __construct($wiki, $subwiki, $cm) {
977 global $PAGE, $CFG, $OUTPUT;
978 parent::__construct($wiki, $subwiki, $cm);
979 $buttons = $OUTPUT->update_module_button($cm->id, 'wiki');
980 $PAGE->set_button($buttons);
980c237e 981
00710f4c
DC
982 }
983
984 function print_header() {
985 global $PAGE, $CFG;
986
987 parent::print_header();
988
989 }
990
991 function print_content() {
992 global $PAGE;
993
cfdac90f 994 require_capability('mod/wiki:editpage', $this->modcontext, NULL, true, 'noeditpermission', 'wiki');
00710f4c
DC
995
996 $this->print_preview();
997 }
998
999 function set_newcontent($newcontent) {
1000 $this->newcontent = $newcontent;
1001 }
1002
1003 function set_url() {
1004 global $PAGE, $CFG;
1005
1006 $params = array('pageid' => $this->page->id
1007 );
1008
1009 if (isset($this->section)) {
1010 $params['section'] = $this->section;
1011 }
1012
1013 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/edit.php', $params);
1014 }
1015
54352ac9 1016 protected function setup_tabs($options = array()) {
00710f4c
DC
1017 parent::setup_tabs(array('linkedwhenactive' => 'view', 'activetab' => 'view'));
1018 }
1019
1020 protected function check_locks() {
1021 return true;
1022 }
1023
1024 protected function print_preview() {
d4800079 1025 global $CFG, $PAGE, $OUTPUT;
00710f4c
DC
1026
1027 $version = wiki_get_current_version($this->page->id);
1028 $format = $version->contentformat;
1029 $content = $version->content;
1030
980c237e
DC
1031 $url = $CFG->wwwroot . '/mod/wiki/edit.php?pageid=' . $this->page->id;
1032 if (!empty($this->section)) {
1323bf55 1033 $url .= "&section=" . urlencode($this->section);
980c237e 1034 }
4c4e6591
SH
1035 $params = array(
1036 'attachmentoptions' => page_wiki_edit::$attachmentoptions,
1037 'format' => $this->format,
1038 'version' => $this->versionnumber,
1039 'contextid' => $this->modcontext->id
1040 );
980c237e
DC
1041
1042 if ($this->format != 'html') {
980c237e
DC
1043 $params['component'] = 'mod_wiki';
1044 $params['filearea'] = 'attachments';
1045 $params['fileitemid'] = $this->page->id;
1046 }
1047 $form = new mod_wiki_edit_form($url, $params);
1048
1049
23c79945 1050 $options = array('swid' => $this->page->subwikiid, 'pageid' => $this->page->id, 'pretty_print' => true);
00710f4c 1051
980c237e 1052 if ($data = $form->get_data()) {
d4800079
DC
1053 if (isset($data->newcontent)) {
1054 // wiki fromat
1055 $text = $data->newcontent;
1056 } else {
1057 // html format
1058 $text = $data->newcontent_editor['text'];
1059 }
1060 $parseroutput = wiki_parse_content($data->contentformat, $text, $options);
1061 $this->set_newcontent($text);
f159bd75 1062 echo $OUTPUT->notification(get_string('previewwarning', 'wiki'), 'notifyproblem');
7cacd29f 1063 $content = format_text($parseroutput['parsed_text'], FORMAT_HTML, array('overflowdiv'=>true, 'filter'=>false));
980c237e
DC
1064 echo $OUTPUT->box($content, 'generalbox wiki_previewbox');
1065 $content = $this->newcontent;
1066 }
00710f4c
DC
1067
1068 $this->print_edit($content);
1069 }
1070
1071}
1072
1073/**
1074 *
1075 * Class that models the behavior of wiki's
1076 * view differences
1077 *
1078 */
1079class page_wiki_diff extends page_wiki {
1080
1081 private $compare;
1082 private $comparewith;
1083
1084 function print_header() {
1085 global $OUTPUT;
1086
1087 parent::print_header();
1088
1089 $this->print_pagetitle();
6bdfef5d 1090 $vstring = new stdClass();
00710f4c
DC
1091 $vstring->old = $this->compare;
1092 $vstring->new = $this->comparewith;
14cdc257 1093 echo html_writer::tag('div', get_string('comparewith', 'wiki', $vstring), array('class' => 'wiki_headingtitle'));
00710f4c
DC
1094 }
1095
1096 /**
1097 * Print the diff view
1098 */
1099 function print_content() {
1100 global $PAGE;
1101
cfdac90f 1102 require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
00710f4c
DC
1103
1104 $this->print_diff_content();
1105 }
1106
1107 function set_url() {
1108 global $PAGE, $CFG;
1109
1110 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/diff.php', array('pageid' => $this->page->id, 'comparewith' => $this->comparewith, 'compare' => $this->compare));
1111 }
1112
1113 function set_comparison($compare, $comparewith) {
1114 $this->compare = $compare;
1115 $this->comparewith = $comparewith;
1116 }
1117
1118 protected function create_navbar() {
1119 global $PAGE, $CFG;
1120
1121 parent::create_navbar();
83cfd144 1122 $PAGE->navbar->add(get_string('history', 'wiki'), $CFG->wwwroot . '/mod/wiki/history.php?pageid=' . $this->page->id);
00710f4c
DC
1123 $PAGE->navbar->add(get_string('diff', 'wiki'));
1124 }
1125
54352ac9 1126 protected function setup_tabs($options = array()) {
00710f4c
DC
1127 parent::setup_tabs(array('linkedwhenactive' => 'history', 'activetab' => 'history'));
1128 }
1129
1130 /**
1131 * Given two versions of a page, prints a page displaying the differences between them.
1132 *
cfdac90f
DC
1133 * @global object $CFG
1134 * @global object $OUTPUT
1135 * @global object $PAGE
00710f4c
DC
1136 */
1137 private function print_diff_content() {
1138 global $CFG, $OUTPUT, $PAGE;
1139
1140 $pageid = $this->page->id;
1141 $total = wiki_count_wiki_page_versions($pageid) - 1;
1142
1143 $oldversion = wiki_get_wiki_page_version($pageid, $this->compare);
cfdac90f 1144
00710f4c
DC
1145 $newversion = wiki_get_wiki_page_version($pageid, $this->comparewith);
1146
1147 if ($oldversion && $newversion) {
1148
cfdac90f
DC
1149 $oldtext = format_text(file_rewrite_pluginfile_urls($oldversion->content, 'pluginfile.php', $this->modcontext->id, 'mod_wiki', 'attachments', $this->subwiki->id));
1150 $newtext = format_text(file_rewrite_pluginfile_urls($newversion->content, 'pluginfile.php', $this->modcontext->id, 'mod_wiki', 'attachments', $this->subwiki->id));
00710f4c
DC
1151 list($diff1, $diff2) = ouwiki_diff_html($oldtext, $newtext);
1152 $oldversion->diff = $diff1;
1153 $oldversion->user = wiki_get_user_info($oldversion->userid);
1154 $newversion->diff = $diff2;
1155 $newversion->user = wiki_get_user_info($newversion->userid);
1156
1157 echo $this->wikioutput->diff($pageid, $oldversion, $newversion, array('total' => $total));
1158 } else {
1159 print_error('versionerror', 'wiki');
1160 }
1161 }
1162}
1163
1164/**
1165 *
1166 * Class that models the behavior of wiki's history page
1167 *
1168 */
1169class page_wiki_history extends page_wiki {
1170 /**
1171 * @var int $paging current page
1172 */
1173 private $paging;
1174
1175 /**
1176 * @var int @rowsperpage Items per page
1177 */
1178 private $rowsperpage = 10;
1179
1180 /**
1181 * @var int $allversion if $allversion != 0, all versions will be printed in a signle table
1182 */
1183 private $allversion;
1184
1185 function __construct($wiki, $subwiki, $cm) {
1186 global $PAGE;
1187 parent::__construct($wiki, $subwiki, $cm);
1188 $PAGE->requires->js_init_call('M.mod_wiki.history', null, true);
1189 }
1190
1191 function print_header() {
1192 parent::print_header();
1193 $this->print_pagetitle();
1194 }
1195
d92b5e7f
DC
1196 function print_pagetitle() {
1197 global $OUTPUT;
1198 $html = '';
1199
14cdc257 1200 $html .= $OUTPUT->container_start('wiki_headingtitle');
876c0ac3 1201 $html .= $OUTPUT->heading_with_help(format_string($this->title), 'history', 'wiki', '', '', 3);
d92b5e7f
DC
1202 $html .= $OUTPUT->container_end();
1203 echo $html;
1204 }
1205
00710f4c
DC
1206 function print_content() {
1207 global $PAGE;
1208
cfdac90f 1209 require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
00710f4c
DC
1210
1211 $this->print_history_content();
1212 }
1213
1214 function set_url() {
1215 global $PAGE, $CFG;
1216 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/history.php', array('pageid' => $this->page->id));
1217 }
1218
1219 function set_paging($paging) {
1220 $this->paging = $paging;
1221 }
1222
1223 function set_allversion($allversion) {
1224 $this->allversion = $allversion;
1225 }
1226
1227 protected function create_navbar() {
1228 global $PAGE, $CFG;
1229
1230 parent::create_navbar();
1231 $PAGE->navbar->add(get_string('history', 'wiki'));
1232 }
1233
1234 /**
1235 * Prints the history for a given wiki page
1236 *
cfdac90f
DC
1237 * @global object $CFG
1238 * @global object $OUTPUT
1239 * @global object $PAGE
00710f4c
DC
1240 */
1241 private function print_history_content() {
1242 global $CFG, $OUTPUT, $PAGE;
1243
1244 $pageid = $this->page->id;
1245 $offset = $this->paging * $this->rowsperpage;
1246 // vcount is the latest version
1247 $vcount = wiki_count_wiki_page_versions($pageid) - 1;
1248 if ($this->allversion) {
1249 $versions = wiki_get_wiki_page_versions($pageid, 0, $vcount);
1250 } else {
1251 $versions = wiki_get_wiki_page_versions($pageid, $offset, $this->rowsperpage);
1252 }
1253 // We don't want version 0 to be displayed
1254 // version 0 is blank page
1255 if (end($versions)->version == 0) {
1256 array_pop($versions);
1257 }
1258
1259 $contents = array();
1260
1261 $version0page = wiki_get_wiki_page_version($this->page->id, 0);
1262 $creator = wiki_get_user_info($version0page->userid);
1263 $a = new StdClass;
1264 $a->date = userdate($this->page->timecreated, get_string('strftimedaydatetime', 'langconfig'));
6b3e5ab9 1265 $a->username = fullname($creator);
14cdc257 1266 echo html_writer::tag ('div', get_string('createddate', 'wiki', $a), array('class' => 'wiki_headingtime'));
00710f4c
DC
1267 if ($vcount > 0) {
1268
1269 /// If there is only one version, we don't need radios nor forms
1270 if (count($versions) == 1) {
1271
1272 $row = array_shift($versions);
1273
1274 $username = wiki_get_user_info($row->userid);
1275 $picture = $OUTPUT->user_picture($username);
1276 $date = userdate($row->timecreated, get_string('strftimedate', 'langconfig'));
1277 $time = userdate($row->timecreated, get_string('strftimetime', 'langconfig'));
1278 $versionid = wiki_get_version($row->id);
1279 $versionlink = new moodle_url('/mod/wiki/viewversion.php', array('pageid' => $pageid, 'versionid' => $versionid->id));
4a28ff88 1280 $userlink = new moodle_url('/user/view.php', array('id' => $username->id, 'course' => $this->cm->course));
c4238816 1281 $contents[] = array('', html_writer::link($versionlink->out(false), $row->version), $picture . html_writer::link($userlink->out(false), fullname($username)), $time, $OUTPUT->container($date, 'wiki_histdate'));
00710f4c
DC
1282
1283 $table = new html_table();
1284 $table->head = array('', get_string('version'), get_string('user'), get_string('modified'), '');
1285 $table->data = $contents;
1286 $table->attributes['class'] = 'mdl-align';
1287
1288 echo html_writer::table($table);
1289
1290 } else {
1291
1292 $checked = $vcount - $offset;
00710f4c
DC
1293 $rowclass = array();
1294
1295 foreach ($versions as $version) {
1296 $user = wiki_get_user_info($version->userid);
1297 $picture = $OUTPUT->user_picture($user, array('popup' => true));
1298 $date = userdate($version->timecreated, get_string('strftimedate'));
9f2dc66f 1299 $rowclass[] = 'wiki_histnewdate';
00710f4c
DC
1300 $time = userdate($version->timecreated, get_string('strftimetime', 'langconfig'));
1301 $versionid = wiki_get_version($version->id);
1302 if ($versionid) {
1303 $url = new moodle_url('/mod/wiki/viewversion.php', array('pageid' => $pageid, 'versionid' => $versionid->id));
1304 $viewlink = html_writer::link($url->out(false), $version->version);
1305 } else {
1306 $viewlink = $version->version;
1307 }
4a28ff88 1308 $userlink = new moodle_url('/user/view.php', array('id' => $version->userid, 'course' => $this->cm->course));
c4238816 1309 $contents[] = array($this->choose_from_radio(array($version->version => null), 'compare', 'M.mod_wiki.history()', $checked - 1, true) . $this->choose_from_radio(array($version->version => null), 'comparewith', 'M.mod_wiki.history()', $checked, true), $viewlink, $picture . html_writer::link($userlink->out(false), fullname($user)), $time, $OUTPUT->container($date, 'wiki_histdate'));
00710f4c
DC
1310 }
1311
1312 $table = new html_table();
00710f4c 1313
f8be7ad4
JP
1314 $icon = $OUTPUT->help_icon('diff', 'wiki');
1315
1316 $table->head = array(get_string('diff', 'wiki') . $icon, get_string('version'), get_string('user'), get_string('modified'), '');
00710f4c 1317 $table->data = $contents;
41a42c1d 1318 $table->attributes['class'] = 'generaltable mdl-align';
00710f4c
DC
1319 $table->rowclasses = $rowclass;
1320
a6d81a73 1321 // Print the form.
41a42c1d
SH
1322 echo html_writer::start_tag('form', array('action'=>new moodle_url('/mod/wiki/diff.php'), 'method'=>'get', 'id'=>'diff'));
1323 echo html_writer::tag('div', html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'pageid', 'value'=>$pageid)));
00710f4c 1324 echo html_writer::table($table);
41a42c1d
SH
1325 echo html_writer::start_tag('div', array('class'=>'mdl-align'));
1326 echo html_writer::empty_tag('input', array('type'=>'submit', 'class'=>'wiki_form-button', 'value'=>get_string('comparesel', 'wiki')));
1327 echo html_writer::end_tag('div');
1328 echo html_writer::end_tag('form');
00710f4c
DC
1329 }
1330 } else {
1331 print_string('nohistory', 'wiki');
1332 }
1333 if (!$this->allversion) {
1334 //$pagingbar = moodle_paging_bar::make($vcount, $this->paging, $this->rowsperpage, $CFG->wwwroot.'/mod/wiki/history.php?pageid='.$pageid.'&amp;');
1335 // $pagingbar->pagevar = $pagevar;
1336 echo $OUTPUT->paging_bar($vcount, $this->paging, $this->rowsperpage, $CFG->wwwroot . '/mod/wiki/history.php?pageid=' . $pageid . '&amp;');
1337 //print_paging_bar($vcount, $paging, $rowsperpage,$CFG->wwwroot.'/mod/wiki/history.php?pageid='.$pageid.'&amp;','paging');
1338 } else {
1339 $link = new moodle_url('/mod/wiki/history.php', array('pageid' => $pageid));
1340 $OUTPUT->container(html_writer::link($link->out(false), get_string('viewperpage', 'wiki', $this->rowsperpage)), 'mdl-align');
1341 }
1342 if ($vcount > $this->rowsperpage && !$this->allversion) {
1343 $link = new moodle_url('/mod/wiki/history.php', array('pageid' => $pageid, 'allversion' => 1));
1344 $OUTPUT->container(html_writer::link($link->out(false), get_string('viewallhistory', 'wiki')), 'mdl-align');
1345 }
1346 }
1347
1348 /**
1349 * Given an array of values, creates a group of radio buttons to be part of a form
1350 *
1351 * @param array $options An array of value-label pairs for the radio group (values as keys).
1352 * @param string $name Name of the radiogroup (unique in the form).
1353 * @param string $onclick Function to be executed when the radios are clicked.
1354 * @param string $checked The value that is already checked.
1355 * @param bool $return If true, return the HTML as a string, otherwise print it.
1356 *
1357 * @return mixed If $return is false, returns nothing, otherwise returns a string of HTML.
1358 */
1359 private function choose_from_radio($options, $name, $onclick = '', $checked = '', $return = false) {
1360
1361 static $idcounter = 0;
1362
1363 if (!$name) {
1364 $name = 'unnamed';
1365 }
1366
1367 $output = '<span class="radiogroup ' . $name . "\">\n";
1368
1369 if (!empty($options)) {
1370 $currentradio = 0;
1371 foreach ($options as $value => $label) {
1372 $htmlid = 'auto-rb' . sprintf('%04d', ++$idcounter);
1373 $output .= ' <span class="radioelement ' . $name . ' rb' . $currentradio . "\">";
1374 $output .= '<input name="' . $name . '" id="' . $htmlid . '" type="radio" value="' . $value . '"';
1375 if ($value == $checked) {
1376 $output .= ' checked="checked"';
1377 }
1378 if ($onclick) {
1379 $output .= ' onclick="' . $onclick . '"';
1380 }
1381 if ($label === '') {
1382 $output .= ' /> <label for="' . $htmlid . '">' . $value . '</label></span>' . "\n";
1383 } else {
1384 $output .= ' /> <label for="' . $htmlid . '">' . $label . '</label></span>' . "\n";
1385 }
1386 $currentradio = ($currentradio + 1) % 2;
1387 }
1388 }
1389
1390 $output .= '</span>' . "\n";
1391
1392 if ($return) {
1393 return $output;
1394 } else {
1395 echo $output;
1396 }
1397 }
1398}
1399
1400/**
1401 * Class that models the behavior of wiki's map page
1402 *
1403 */
1404class page_wiki_map extends page_wiki {
1405
1406 /**
1407 * @var int wiki view option
1408 */
1409 private $view;
1410
1411 function print_header() {
1412 parent::print_header();
1413 $this->print_pagetitle();
1414 }
1415
1416 function print_content() {
1417 global $CFG, $PAGE;
1418
cfdac90f 1419 require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
00710f4c
DC
1420
1421 if ($this->view > 0) {
1422 //echo '<div><a href="' . $CFG->wwwroot . '/mod/wiki/map.php?pageid=' . $this->page->id . '">' . get_string('backtomapmenu', 'wiki') . '</a></div>';
d92b5e7f 1423 }
00710f4c
DC
1424
1425 switch ($this->view) {
1426 case 1:
1427 echo $this->wikioutput->menu_map($this->page->id, $this->view);
1428 $this->print_contributions_content();
1429 break;
1430 case 2:
1431 echo $this->wikioutput->menu_map($this->page->id, $this->view);
1432 $this->print_navigation_content();
1433 break;
1434 case 3:
1435 echo $this->wikioutput->menu_map($this->page->id, $this->view);
1436 $this->print_orphaned_content();
1437 break;
1438 case 4:
1439 echo $this->wikioutput->menu_map($this->page->id, $this->view);
1440 $this->print_index_content();
1441 break;
00710f4c
DC
1442 case 6:
1443 echo $this->wikioutput->menu_map($this->page->id, $this->view);
1444 $this->print_updated_content();
1445 break;
3ef5218b 1446 case 5:
00710f4c
DC
1447 default:
1448 echo $this->wikioutput->menu_map($this->page->id, $this->view);
1449 $this->print_page_list_content();
1450 }
1451 }
1452
1453 function set_view($option) {
1454 $this->view = $option;
1455 }
1456
00710f4c
DC
1457 function set_url() {
1458 global $PAGE, $CFG;
1459 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/map.php', array('pageid' => $this->page->id));
1460 }
1461
1462 protected function create_navbar() {
1463 global $PAGE;
1464
1465 parent::create_navbar();
1466 $PAGE->navbar->add(get_string('map', 'wiki'));
1467 }
1468
1469 /**
1470 * Prints the contributions tab content
1471 *
1472 * @uses $OUTPUT, $USER
1473 *
1474 */
1475 private function print_contributions_content() {
1476 global $CFG, $OUTPUT, $USER;
1477 $page = $this->page;
1478
1479 if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
1480 $fresh = wiki_refresh_cachedcontent($page);
1481 $page = $fresh['page'];
1482 }
1483
1484 $swid = $this->subwiki->id;
1485
1486 $table = new html_table();
b7d0b32f 1487 $table->head = array(get_string('contributions', 'wiki') . $OUTPUT->help_icon('contributions', 'wiki'));
12f756f9 1488 $table->attributes['class'] = 'wiki_editor generalbox';
00710f4c
DC
1489 $table->data = array();
1490 $table->rowclasses = array();
1491
1492 $lastversions = array();
1493 $pages = array();
1494 $users = array();
1495
1496 if ($contribs = wiki_get_contributions($swid, $USER->id)) {
1497 foreach ($contribs as $contrib) {
1498 if (!array_key_exists($contrib->pageid, $pages)) {
1499 $page = wiki_get_page($contrib->pageid);
1500 $pages[$contrib->pageid] = $page;
1501 } else {
1502 continue;
1503 }
1504
1505 if (!array_key_exists($page->id, $lastversions)) {
1506 $version = wiki_get_last_version($page->id);
1507 $lastversions[$page->id] = $version;
1508 } else {
1509 $version = $lastversions[$page->id];
1510 }
1511
1512 if (!array_key_exists($version->userid, $users)) {
1513 $user = wiki_get_user_info($version->userid);
1514 $users[$version->userid] = $user;
1515 } else {
1516 $user = $users[$version->userid];
1517 }
1518
4c4e6591 1519 $link = wiki_parser_link($page->title, array('swid' => $swid));
00710f4c
DC
1520 $class = ($link['new']) ? 'class="wiki_newentry"' : '';
1521
4c4e6591 1522 $linkpage = '<a href="' . $link['url'] . '"' . $class . '>' . format_string($link['content'], true, array('context' => $this->modcontext)) . '</a>';
00710f4c
DC
1523 $icon = $OUTPUT->user_picture($user, array('popup' => true));
1524
1525 $table->data[] = array("$icon&nbsp;$linkpage");
1526 }
1527 } else {
1528 $table->data[] = array(get_string('nocontribs', 'wiki'));
1529 }
1530 echo html_writer::table($table);
1531 }
1532
1533 /**
1534 * Prints the navigation tab content
1535 *
1536 * @uses $OUTPUT
1537 *
1538 */
1539 private function print_navigation_content() {
1540 global $OUTPUT;
1541 $page = $this->page;
1542
1543 if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
1544 $fresh = wiki_refresh_cachedcontent($page);
1545 $page = $fresh['page'];
1546 }
1547
1548 $tolinks = wiki_get_linked_to_pages($page->id);
1549 $fromlinks = wiki_get_linked_from_pages($page->id);
1550
1551 $table = new html_table();
1552 $table->attributes['class'] = 'wiki_navigation_from';
d92b5e7f 1553 $table->head = array(get_string('navigationfrom', 'wiki') . $OUTPUT->help_icon('navigationfrom', 'wiki') . ':');
00710f4c
DC
1554 $table->data = array();
1555 $table->rowclasses = array();
1556 foreach ($fromlinks as $link) {
1557 $lpage = wiki_get_page($link->frompageid);
1558 $link = new moodle_url('/mod/wiki/view.php', array('pageid' => $lpage->id));
110f4c93 1559 $table->data[] = array(html_writer::link($link->out(false), format_string($lpage->title)));
00710f4c
DC
1560 $table->rowclasses[] = 'mdl-align';
1561 }
1562
1563 $table_left = html_writer::table($table);
1564
1565 $table = new html_table();
1566 $table->attributes['class'] = 'wiki_navigation_to';
d92b5e7f 1567 $table->head = array(get_string('navigationto', 'wiki') . $OUTPUT->help_icon('navigationto', 'wiki') . ':');
00710f4c
DC
1568 $table->data = array();
1569 $table->rowclasses = array();
1570 foreach ($tolinks as $link) {
1571 if ($link->tomissingpage) {
1572 $viewlink = new moodle_url('/mod/wiki/create.php', array('swid' => $page->subwikiid, 'title' => $link->tomissingpage, 'action' => 'new'));
af857b05 1573 $table->data[] = array(html_writer::link($viewlink->out(false), format_string($link->tomissingpage), array('class' => 'wiki_newentry')));
00710f4c
DC
1574 } else {
1575 $lpage = wiki_get_page($link->topageid);
1576 $viewlink = new moodle_url('/mod/wiki/view.php', array('pageid' => $lpage->id));
110f4c93 1577 $table->data[] = array(html_writer::link($viewlink->out(false), format_string($lpage->title)));
00710f4c
DC
1578 }
1579 $table->rowclasses[] = 'mdl-align';
1580 }
1581 $table_right = html_writer::table($table);
1582 echo $OUTPUT->container($table_left . $table_right, 'wiki_navigation_container');
1583 }
1584
1585 /**
1586 * Prints the index page tab content
1587 *
1588 *
1589 */
1590 private function print_index_content() {
d92b5e7f 1591 global $OUTPUT;
00710f4c
DC
1592 $page = $this->page;
1593
1594 if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
1595 $fresh = wiki_refresh_cachedcontent($page);
1596 $page = $fresh['page'];
1597 }
1598
4c4e6591 1599 // navigation_node get_content calls format string for us
00710f4c
DC
1600 $node = new navigation_node($page->title);
1601
1602 $keys = array();
1603 $tree = array();
1604 $tree = wiki_build_tree($page, $node, $keys);
1605
1606 $table = new html_table();
d92b5e7f 1607 $table->head = array(get_string('pageindex', 'wiki') . $OUTPUT->help_icon('pageindex', 'wiki'));
12f756f9 1608 $table->attributes['class'] = 'wiki_editor generalbox';
00710f4c
DC
1609 $table->data[] = array($this->render_navigation_node($tree));
1610
1611 echo html_writer::table($table);
1612 }
1613
1614 /**
1615 * Prints the page list tab content
1616 *
1617 *
1618 */
1619 private function print_page_list_content() {
d92b5e7f 1620 global $OUTPUT;
00710f4c
DC
1621 $page = $this->page;
1622
1623 if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
1624 $fresh = wiki_refresh_cachedcontent($page);
1625 $page = $fresh['page'];
1626 }
1627
1628 $pages = wiki_get_page_list($this->subwiki->id);
1629
1630 $stdaux = new stdClass();
1631 $strspecial = get_string('special', 'wiki');
1632
1633 foreach ($pages as $page) {
4c4e6591
SH
1634 // We need to format the title here to account for any filtering
1635 $letter = format_string($page->title, true, array('context' => $this->modcontext));
2f1e464a 1636 $letter = core_text::substr($letter, 0, 1);
4c4e6591 1637 if (preg_match('/^[a-zA-Z]$/', $letter)) {
2f1e464a 1638 $letter = core_text::strtoupper($letter);
4c4e6591 1639 $stdaux->{$letter}[] = wiki_parser_link($page);
00710f4c 1640 } else {
4c4e6591 1641 $stdaux->{$strspecial}[] = wiki_parser_link($page);
00710f4c
DC
1642 }
1643 }
1644
1645 $table = new html_table();
d92b5e7f 1646 $table->head = array(get_string('pagelist', 'wiki') . $OUTPUT->help_icon('pagelist', 'wiki'));
12f756f9 1647 $table->attributes['class'] = 'wiki_editor generalbox';
00710f4c
DC
1648 $table->align = array('center');
1649 foreach ($stdaux as $key => $elem) {
1650 $table->data[] = array($key);
1651 foreach ($elem as $e) {
4c4e6591 1652 $table->data[] = array(html_writer::link($e['url'], format_string($e['content'], true, array('context' => $this->modcontext))));
00710f4c
DC
1653 }
1654 }
1655 echo html_writer::table($table);
1656 }
1657
1658 /**
1659 * Prints the orphaned tab content
1660 *
1661 *
1662 */
1663 private function print_orphaned_content() {
9e11d507
JP
1664 global $OUTPUT;
1665
00710f4c
DC
1666 $page = $this->page;
1667
1668 if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
1669 $fresh = wiki_refresh_cachedcontent($page);
1670 $page = $fresh['page'];
1671 }
1672
1673 $swid = $this->subwiki->id;
1674
1675 $table = new html_table();
b7d0b32f 1676 $table->head = array(get_string('orphaned', 'wiki') . $OUTPUT->help_icon('orphaned', 'wiki'));
12f756f9 1677 $table->attributes['class'] = 'wiki_editor generalbox';
00710f4c
DC
1678 $table->data = array();
1679 $table->rowclasses = array();
1680
1681 if ($orphanedpages = wiki_get_orphaned_pages($swid)) {
1682 foreach ($orphanedpages as $page) {
110f4c93 1683 $link = wiki_parser_link($page->title, array('swid' => $swid));
00710f4c 1684 $class = ($link['new']) ? 'class="wiki_newentry"' : '';
110f4c93 1685 $table->data[] = array('<a href="' . $link['url'] . '"' . $class . '>' . format_string($link['content']) . '</a>');
00710f4c
DC
1686 }
1687 } else {
1688 $table->data[] = array(get_string('noorphanedpages', 'wiki'));
1689 }
1690
1691 echo html_writer::table($table);
1692 }
1693
1694 /**
1695 * Prints the updated tab content
1696 *
1697 * @uses $COURSE, $OUTPUT
1698 *
1699 */
1700 private function print_updated_content() {
1701 global $COURSE, $OUTPUT;
1702 $page = $this->page;
1703
1704 if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
1705 $fresh = wiki_refresh_cachedcontent($page);
1706 $page = $fresh['page'];
1707 }
1708
1709 $swid = $this->subwiki->id;
1710
1711 $table = new html_table();
d92b5e7f 1712 $table->head = array(get_string('updatedpages', 'wiki') . $OUTPUT->help_icon('updatedpages', 'wiki'));
12f756f9 1713 $table->attributes['class'] = 'wiki_editor generalbox';
00710f4c
DC
1714 $table->data = array();
1715 $table->rowclasses = array();
1716
1717 if ($pages = wiki_get_updated_pages_by_subwiki($swid)) {
1718 $strdataux = '';
1719 foreach ($pages as $page) {
1720 $user = wiki_get_user_info($page->userid);
1721 $strdata = strftime('%d %b %Y', $page->timemodified);
1722 if ($strdata != $strdataux) {
1723 $table->data[] = array($OUTPUT->heading($strdata, 4));
1724 $strdataux = $strdata;
1725 }
110f4c93 1726 $link = wiki_parser_link($page->title, array('swid' => $swid));
00710f4c
DC
1727 $class = ($link['new']) ? 'class="wiki_newentry"' : '';
1728
110f4c93 1729 $linkpage = '<a href="' . $link['url'] . '"' . $class . '>' . format_string($link['content']) . '</a>';
00710f4c
DC
1730 $icon = $OUTPUT->user_picture($user, array($COURSE->id));
1731 $table->data[] = array("$icon&nbsp;$linkpage");
1732 }
1733 } else {
1734 $table->data[] = array(get_string('noupdatedpages', 'wiki'));
1735 }
1736
1737 echo html_writer::table($table);
1738 }
1739
1740 protected function render_navigation_node($items, $attrs = array(), $expansionlimit = null, $depth = 1) {
1741
1742 // exit if empty, we don't want an empty ul element
1743 if (count($items) == 0) {
1744 return '';
1745 }
1746
1747 // array of nested li elements
1748 $lis = array();
1749 foreach ($items as $item) {
1750 if (!$item->display) {
1751 continue;
1752 }
1753 $content = $item->get_content();
1754 $title = $item->get_title();
1755 if ($item->icon instanceof renderable) {
1756 $icon = $this->wikioutput->render($item->icon);
1757 $content = $icon . '&nbsp;' . $content; // use CSS for spacing of icons
1758 }
1759 if ($item->helpbutton !== null) {
1760 $content = trim($item->helpbutton) . html_writer::tag('span', $content, array('class' => 'clearhelpbutton'));
1761 }
1762
1763 if ($content === '') {
1764 continue;
1765 }
1766
1767 if ($item->action instanceof action_link) {
1768 //TODO: to be replaced with something else
1769 $link = $item->action;
1770 if ($item->hidden) {
1771 $link->add_class('dimmed');
1772 }
1773 $content = $this->output->render($link);
1774 } else if ($item->action instanceof moodle_url) {
1775 $attributes = array();
1776 if ($title !== '') {
1777 $attributes['title'] = $title;
1778 }
1779 if ($item->hidden) {
1780 $attributes['class'] = 'dimmed_text';
1781 }
1782 $content = html_writer::link($item->action, $content, $attributes);
1783
1784 } else if (is_string($item->action) || empty($item->action)) {
1785 $attributes = array();
1786 if ($title !== '') {
1787 $attributes['title'] = $title;
1788 }
1789 if ($item->hidden) {
1790 $attributes['class'] = 'dimmed_text';
1791 }
1792 $content = html_writer::tag('span', $content, $attributes);
1793 }
1794
1795 // this applies to the li item which contains all child lists too
1796 $liclasses = array($item->get_css_type(), 'depth_' . $depth);
1797 if ($item->has_children() && (!$item->forceopen || $item->collapse)) {
1798 $liclasses[] = 'collapsed';
1799 }
1800 if ($item->isactive === true) {
1801 $liclasses[] = 'current_branch';
1802 }
1803 $liattr = array('class' => join(' ', $liclasses));
1804 // class attribute on the div item which only contains the item content
1805 $divclasses = array('tree_item');
1806 if ((empty($expansionlimit) || $item->type != $expansionlimit) && ($item->children->count() > 0 || ($item->nodetype == navigation_node::NODETYPE_BRANCH && $item->children->count() == 0 && isloggedin()))) {
1807 $divclasses[] = 'branch';
1808 } else {
1809 $divclasses[] = 'leaf';
1810 }
1811 if (!empty($item->classes) && count($item->classes) > 0) {
1812 $divclasses[] = join(' ', $item->classes);
1813 }
1814 $divattr = array('class' => join(' ', $divclasses));
1815 if (!empty($item->id)) {
1816 $divattr['id'] = $item->id;
1817 }
1818 $content = html_writer::tag('p', $content, $divattr) . $this->render_navigation_node($item->children, array(), $expansionlimit, $depth + 1);
1819 if (!empty($item->preceedwithhr) && $item->preceedwithhr === true) {
1820 $content = html_writer::empty_tag('hr') . $content;
1821 }
1822 $content = html_writer::tag('li', $content, $liattr);
1823 $lis[] = $content;
1824 }
1825
1826 if (count($lis)) {
1827 return html_writer::tag('ul', implode("\n", $lis), $attrs);
1828 } else {
1829 return '';
1830 }
1831 }
1832
1833}
1834
1835/**
1836 * Class that models the behavior of wiki's restore version page
1837 *
1838 */
1839class page_wiki_restoreversion extends page_wiki {
1840 private $version;
1841
1842 function print_header() {
1843 parent::print_header();
1844 $this->print_pagetitle();
1845 }
1846
1847 function print_content() {
846f6886 1848 global $PAGE;
00710f4c 1849
846f6886
MG
1850 $wiki = $PAGE->activityrecord;
1851 if (wiki_user_can_edit($this->subwiki, $wiki)) {
1852 $this->print_restoreversion();
1853 } else {
1854 echo get_string('cannoteditpage', 'wiki');
1855 }
00710f4c 1856
00710f4c
DC
1857 }
1858
1859 function set_url() {
1860 global $PAGE, $CFG;
1861 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/viewversion.php', array('pageid' => $this->page->id, 'versionid' => $this->version->id));
1862 }
1863
1864 function set_versionid($versionid) {
1865 $this->version = wiki_get_version($versionid);
1866 }
1867
1868 protected function create_navbar() {
1869 global $PAGE, $CFG;
1870
1871 parent::create_navbar();
1872 $PAGE->navbar->add(get_string('restoreversion', 'wiki'));
1873 }
1874
54352ac9 1875 protected function setup_tabs($options = array()) {
00710f4c
DC
1876 parent::setup_tabs(array('linkedwhenactive' => 'history', 'activetab' => 'history'));
1877 }
1878
1879 /**
1880 * Prints the restore version content
1881 *
1882 * @uses $CFG
1883 *
1884 * @param page $page The page whose version will be restored
1885 * @param int $versionid The version to be restored
1886 * @param bool $confirm If false, shows a yes/no confirmation page.
1887 * If true, restores the old version and redirects the user to the 'view' tab.
1888 */
1889 private function print_restoreversion() {
48346fb1 1890 global $OUTPUT;
00710f4c
DC
1891
1892 $version = wiki_get_version($this->version->id);
1893
48346fb1
AB
1894 $optionsyes = array('confirm'=>1, 'pageid'=>$this->page->id, 'versionid'=>$version->id, 'sesskey'=>sesskey());
1895 $restoreurl = new moodle_url('/mod/wiki/restoreversion.php', $optionsyes);
1896 $return = new moodle_url('/mod/wiki/viewversion.php', array('pageid'=>$this->page->id, 'versionid'=>$version->id));
1897
14cdc257
RW
1898 echo $OUTPUT->container_start('wiki-form-center');
1899 echo html_writer::tag('div', get_string('restoreconfirm', 'wiki', $version->version));
caf8d39b 1900 echo $OUTPUT->container_start(false, 'wiki_restoreform');
48346fb1 1901 echo '<form class="wiki_restore_yes" action="' . $restoreurl . '" method="post" id="restoreversion">';
00710f4c
DC
1902 echo '<div><input type="submit" name="confirm" value="' . get_string('yes') . '" /></div>';
1903 echo '</form>';
48346fb1 1904 echo '<form class="wiki_restore_no" action="' . $return . '" method="post">';
00710f4c
DC
1905 echo '<div><input type="submit" name="norestore" value="' . get_string('no') . '" /></div>';
1906 echo '</form>';
caf8d39b 1907 echo $OUTPUT->container_end();
14cdc257 1908 echo $OUTPUT->container_end();
00710f4c
DC
1909 }
1910}
00710f4c 1911/**
48346fb1 1912 * Class that models the behavior of wiki's delete comment confirmation page
00710f4c 1913 *
48346fb1
AB
1914 */
1915class page_wiki_deletecomment extends page_wiki {
1916 private $commentid;
1917
1918 function print_header() {
1919 parent::print_header();
1920 $this->print_pagetitle();
1921 }
1922
1923 function print_content() {
1924 $this->printconfirmdelete();
1925 }
1926
1927 function set_url() {
1928 global $PAGE;
1929 $PAGE->set_url('/mod/wiki/instancecomments.php', array('pageid' => $this->page->id, 'commentid' => $this->commentid));
1930 }
1931
1932 public function set_action($action, $commentid, $content) {
1933 $this->action = $action;
1934 $this->commentid = $commentid;
1935 $this->content = $content;
1936 }
1937
1938 protected function create_navbar() {
1939 global $PAGE;
1940
1941 parent::create_navbar();
1942 $PAGE->navbar->add(get_string('deletecommentcheck', 'wiki'));
1943 }
1944
54352ac9 1945 protected function setup_tabs($options = array()) {
48346fb1
AB
1946 parent::setup_tabs(array('linkedwhenactive' => 'comments', 'activetab' => 'comments'));
1947 }
1948
1949 /**
1950 * Prints the comment deletion confirmation form
1951 *
1952 * @param page $page The page whose version will be restored
1953 * @param int $versionid The version to be restored
1954 * @param bool $confirm If false, shows a yes/no confirmation page.
1955 * If true, restores the old version and redirects the user to the 'view' tab.
1956 */
1957 private function printconfirmdelete() {
1958 global $OUTPUT;
1959
1960 $strdeletecheck = get_string('deletecommentcheck', 'wiki');
1961 $strdeletecheckfull = get_string('deletecommentcheckfull', 'wiki');
1962
1963 //ask confirmation
1964 $optionsyes = array('confirm'=>1, 'pageid'=>$this->page->id, 'action'=>'delete', 'commentid'=>$this->commentid, 'sesskey'=>sesskey());
1965 $deleteurl = new moodle_url('/mod/wiki/instancecomments.php', $optionsyes);
1966 $return = new moodle_url('/mod/wiki/comments.php', array('pageid'=>$this->page->id));
1967
f7bfb405
RW
1968 echo $OUTPUT->container_start('wiki-form-center');
1969 echo html_writer::tag('p', $strdeletecheckfull);
caf8d39b 1970 echo $OUTPUT->container_start(false, 'wiki_deletecommentform');
48346fb1
AB
1971 echo '<form class="wiki_deletecomment_yes" action="' . $deleteurl . '" method="post" id="deletecomment">';
1972 echo '<div><input type="submit" name="confirmdeletecomment" value="' . get_string('yes') . '" /></div>';
1973 echo '</form>';
1974 echo '<form class="wiki_deletecomment_no" action="' . $return . '" method="post">';
1975 echo '<div><input type="submit" name="norestore" value="' . get_string('no') . '" /></div>';
1976 echo '</form>';
caf8d39b 1977 echo $OUTPUT->container_end();
f7bfb405 1978 echo $OUTPUT->container_end();
48346fb1
AB
1979 }
1980}
1981
1982/**
00710f4c
DC
1983 * Class that models the behavior of wiki's
1984 * save page
1985 *
1986 */
1987class page_wiki_save extends page_wiki_edit {
1988
1989 private $newcontent;
1990
1991 function print_header() {
1992 }
1993
1994 function print_content() {
1995 global $PAGE;
1996
4a28ff88 1997 $context = context_module::instance($this->cm->id);
00710f4c
DC
1998 require_capability('mod/wiki:editpage', $context, NULL, true, 'noeditpermission', 'wiki');
1999
2000 $this->print_save();
2001 }
2002
2003 function set_newcontent($newcontent) {
2004 $this->newcontent = $newcontent;
2005 }
2006
2007 protected function set_session_url() {
2008 }
2009
2010 protected function print_save() {
2011 global $CFG, $USER, $OUTPUT, $PAGE;
2012
00710f4c
DC
2013 $url = $CFG->wwwroot . '/mod/wiki/edit.php?pageid=' . $this->page->id;
2014 if (!empty($this->section)) {
1323bf55 2015 $url .= "&section=" . urlencode($this->section);
00710f4c
DC
2016 }
2017
4c4e6591
SH
2018 $params = array(
2019 'attachmentoptions' => page_wiki_edit::$attachmentoptions,
2020 'format' => $this->format,
2021 'version' => $this->versionnumber,
2022 'contextid' => $this->modcontext->id
2023 );
00710f4c
DC
2024
2025 if ($this->format != 'html') {
00710f4c 2026 $params['fileitemid'] = $this->page->id;
12c9bbbd
DC
2027 $params['component'] = 'mod_wiki';
2028 $params['filearea'] = 'attachments';
00710f4c
DC
2029 }
2030
2031 $form = new mod_wiki_edit_form($url, $params);
2032
2033 $save = false;
2034 $data = false;
2035 if ($data = $form->get_data()) {
2036 if ($this->format == 'html') {
cfdac90f 2037 $data = file_postupdate_standard_editor($data, 'newcontent', page_wiki_edit::$attachmentoptions, $this->modcontext, 'mod_wiki', 'attachments', $this->subwiki->id);
00710f4c
DC
2038 }
2039
2040 if (isset($this->section)) {
2041 $save = wiki_save_section($this->page, $this->section, $data->newcontent, $USER->id);
2042 } else {
2043 $save = wiki_save_page($this->page, $data->newcontent, $USER->id);
2044 }
2045 }
2046
2047 if ($save && $data) {
00710f4c 2048 if (!empty($CFG->usetags)) {
cc033d48 2049 tag_set('wiki_pages', $this->page->id, $data->tags, 'mod_wiki', $this->modcontext->id);
00710f4c
DC
2050 }
2051
2052 $message = '<p>' . get_string('saving', 'wiki') . '</p>';
2053
2054 if (!empty($save['sections'])) {
2055 foreach ($save['sections'] as $s) {
2056 $message .= '<p>' . get_string('repeatedsection', 'wiki', $s) . '</p>';
2057 }
2058 }
2059
2060 if ($this->versionnumber + 1 != $save['version']) {
2061 $message .= '<p>' . get_string('wrongversionsave', 'wiki') . '</p>';
2062 }
2063
2064 if (isset($errors) && !empty($errors)) {
2065 foreach ($errors as $e) {
2066 $message .= "<p>" . get_string('filenotuploadederror', 'wiki', $e->get_filename()) . "</p>";
2067 }
2068 }
2069
2070 //deleting old locks
2071 wiki_delete_locks($this->page->id, $USER->id, $this->section);
4f6c447b 2072 $url = new moodle_url('/mod/wiki/view.php', array('pageid' => $this->page->id, 'group' => $this->subwiki->groupid));
5dedd64d 2073 redirect($url);
00710f4c
DC
2074 } else {
2075 print_error('savingerror', 'wiki');
2076 }
2077 }
2078}
2079
2080/**
2081 * Class that models the behavior of wiki's view an old version of a page
2082 *
2083 */
2084class page_wiki_viewversion extends page_wiki {
2085
2086 private $version;
2087
2088 function print_header() {
2089 parent::print_header();
2090 $this->print_pagetitle();
2091 }
2092
2093 function print_content() {
2094 global $PAGE;
2095
cfdac90f 2096 require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
00710f4c
DC
2097
2098 $this->print_version_view();
2099 }
2100
2101 function set_url() {
2102 global $PAGE, $CFG;
2103 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/viewversion.php', array('pageid' => $this->page->id, 'versionid' => $this->version->id));
2104 }
2105
2106 function set_versionid($versionid) {
2107 $this->version = wiki_get_version($versionid);
2108 }
2109
2110 protected function create_navbar() {
2111 global $PAGE, $CFG;
2112
2113 parent::create_navbar();
83cfd144 2114 $PAGE->navbar->add(get_string('history', 'wiki'), $CFG->wwwroot . '/mod/wiki/history.php?pageid=' . $this->page->id);
00710f4c
DC
2115 $PAGE->navbar->add(get_string('versionnum', 'wiki', $this->version->version));
2116 }
2117
54352ac9 2118 protected function setup_tabs($options = array()) {
00710f4c
DC
2119 parent::setup_tabs(array('linkedwhenactive' => 'history', 'activetab' => 'history', 'inactivetabs' => array('edit')));
2120 }
2121
2122 /**
2123 * Given an old page version, output the version content
2124 *
cfdac90f
DC
2125 * @global object $CFG
2126 * @global object $OUTPUT
2127 * @global object $PAGE
00710f4c
DC
2128 */
2129 private function print_version_view() {
2130 global $CFG, $OUTPUT, $PAGE;
00710f4c
DC
2131 $pageversion = wiki_get_version($this->version->id);
2132
2133 if ($pageversion) {
2134 $restorelink = new moodle_url('/mod/wiki/restoreversion.php', array('pageid' => $this->page->id, 'versionid' => $this->version->id));
14cdc257 2135 echo html_writer::tag('div', get_string('viewversion', 'wiki', $pageversion->version) . '<br />' .
876c0ac3 2136 html_writer::link($restorelink->out(false), '(' . get_string('restorethis', 'wiki') .
14cdc257 2137 ')', array('class' => 'wiki_restore')) . '&nbsp;', array('class' => 'wiki_headingtitle'));
00710f4c
DC
2138 $userinfo = wiki_get_user_info($pageversion->userid);
2139 $heading = '<p><strong>' . get_string('modified', 'wiki') . ':</strong>&nbsp;' . userdate($pageversion->timecreated, get_string('strftimedatetime', 'langconfig'));
2140 $viewlink = new moodle_url('/user/view.php', array('id' => $userinfo->id));
2141 $heading .= '&nbsp;&nbsp;&nbsp;<strong>' . get_string('user') . ':</strong>&nbsp;' . html_writer::link($viewlink->out(false), fullname($userinfo));
2142 $heading .= '&nbsp;&nbsp;&rarr;&nbsp;' . $OUTPUT->user_picture(wiki_get_user_info($pageversion->userid), array('popup' => true)) . '</p>';
14cdc257 2143 echo $OUTPUT->container($heading, 'wiki_headingtime', 'mdl-align wiki_modifieduser');
00710f4c 2144 $options = array('swid' => $this->subwiki->id, 'pretty_print' => true, 'pageid' => $this->page->id);
cfdac90f
DC
2145
2146 $pageversion->content = file_rewrite_pluginfile_urls($pageversion->content, 'pluginfile.php', $this->modcontext->id, 'mod_wiki', 'attachments', $this->subwiki->id);
2147
00710f4c 2148 $parseroutput = wiki_parse_content($pageversion->contentformat, $pageversion->content, $options);
caf8d39b 2149 $content = $OUTPUT->container(format_text($parseroutput['parsed_text'], FORMAT_HTML, array('overflowdiv'=>true)), false, '', '', true);
00710f4c
DC
2150 echo $OUTPUT->box($content, 'generalbox wiki_contentbox');
2151
2152 } else {
2153 print_error('versionerror', 'wiki');
2154 }
2155 }
2156}
2157
2158class page_wiki_confirmrestore extends page_wiki_save {
2159
2160 private $version;
2161
2162 function set_url() {
2163 global $PAGE, $CFG;
2164 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/viewversion.php', array('pageid' => $this->page->id, 'versionid' => $this->version->id));
2165 }
2166
2f8d2634
MG
2167 function print_header() {
2168 $this->set_url();
2169 }
2170
00710f4c
DC
2171 function print_content() {
2172 global $CFG, $PAGE;
2173
00710f4c 2174 $version = wiki_get_version($this->version->id);
846f6886
MG
2175 $wiki = $PAGE->activityrecord;
2176 if (wiki_user_can_edit($this->subwiki, $wiki) &&
2177 wiki_restore_page($this->page, $version, $this->modcontext)) {
00710f4c
DC
2178 redirect($CFG->wwwroot . '/mod/wiki/view.php?pageid=' . $this->page->id, get_string('restoring', 'wiki', $version->version), 3);
2179 } else {
2180 print_error('restoreerror', 'wiki', $version->version);
2181 }
2182 }
2183
2184 function set_versionid($versionid) {
2185 $this->version = wiki_get_version($versionid);
2186 }
2187}
2188
2189class page_wiki_prettyview extends page_wiki {
2190
74eab231
RW
2191 function __construct($wiki, $subwiki, $cm) {
2192 global $PAGE;
231b0b30 2193 $PAGE->set_pagelayout('embedded');
74eab231
RW
2194 parent::__construct($wiki, $subwiki, $cm);
2195 }
2196
2197 function print_header() {
2198 global $OUTPUT;
2199 $this->set_url();
2200
231b0b30 2201 echo $OUTPUT->header();
be27bd59
RW
2202 // Print dialog link.
2203 $printtext = get_string('print', 'wiki');
2204 $printlinkatt = array('onclick' => 'window.print();return false;', 'class' => 'printicon');
2205 $printiconlink = html_writer::link('#', $printtext, $printlinkatt);
2206 echo html_writer::tag('div', $printiconlink, array('class' => 'displayprinticon'));
74eab231 2207 echo html_writer::tag('h1', format_string($this->title), array('id' => 'wiki_printable_title'));
00710f4c
DC
2208 }
2209
2210 function print_content() {
2211 global $PAGE;
2212
cfdac90f 2213 require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
00710f4c
DC
2214
2215 $this->print_pretty_view();
2216 }
2217
2218 function set_url() {
2219 global $PAGE, $CFG;
2220
2221 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/prettyview.php', array('pageid' => $this->page->id));
2222 }
2223
00710f4c
DC
2224 private function print_pretty_view() {
2225 $version = wiki_get_current_version($this->page->id);
2226
2227 $content = wiki_parse_content($version->contentformat, $version->content, array('printable' => true, 'swid' => $this->subwiki->id, 'pageid' => $this->page->id, 'pretty_print' => true));
2228
831ca534
BK
2229 $html = $content['parsed_text'];
2230 $id = $this->subwiki->wikiid;
2231 if ($cm = get_coursemodule_from_instance("wiki", $id)) {
2232 $context = context_module::instance($cm->id);
2233 $html = file_rewrite_pluginfile_urls($html, 'pluginfile.php', $context->id, 'mod_wiki', 'attachments', $this->subwiki->id);
2234 }
00710f4c 2235 echo '<div id="wiki_printable_content">';
831ca534 2236 echo format_text($html, FORMAT_HTML);
00710f4c
DC
2237 echo '</div>';
2238 }
2239}
2240
2241class page_wiki_handlecomments extends page_wiki {
2242 private $action;
2243 private $content;
2244 private $commentid;
2245 private $format;
2246
2247 function print_header() {
2248 $this->set_url();
2249 }
2250
2251 public function print_content() {
d6887efc 2252 global $CFG, $PAGE, $USER;
00710f4c 2253
cfffb69c 2254 if ($this->action == 'add') {
cfdac90f 2255 if (has_capability('mod/wiki:editcomment', $this->modcontext)) {
9bf1b716
JP
2256 $this->add_comment($this->content, $this->commentid);
2257 }
2258 } else if ($this->action == 'edit') {
2259 $comment = wiki_get_comment($this->commentid);
cfdac90f 2260 $edit = has_capability('mod/wiki:editcomment', $this->modcontext);
d6887efc 2261 $owner = ($comment->userid == $USER->id);
cfffb69c 2262 if ($owner && $edit) {
9bf1b716
JP
2263 $this->add_comment($this->content, $this->commentid);
2264 }
00710f4c 2265 } else if ($this->action == 'delete') {
9bf1b716 2266 $comment = wiki_get_comment($this->commentid);
cfdac90f 2267 $manage = has_capability('mod/wiki:managecomment', $this->modcontext);
d6887efc 2268 $owner = ($comment->userid == $USER->id);
cfffb69c 2269 if ($owner || $manage) {
9bf1b716 2270 $this->delete_comment($this->commentid);
d6887efc 2271 redirect($CFG->wwwroot . '/mod/wiki/comments.php?pageid=' . $this->page->id, get_string('deletecomment', 'wiki'), 2);
9bf1b716 2272 }
00710f4c
DC
2273 }
2274
2275 }
2276
2277 public function set_url() {
2278 global $PAGE, $CFG;
2279 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/comments.php', array('pageid' => $this->page->id));
2280 }
2281
2282 public function set_action($action, $commentid, $content) {
2283 $this->action = $action;
2284 $this->commentid = $commentid;
2285 $this->content = $content;
2286
2287 $version = wiki_get_current_version($this->page->id);
2288 $format = $version->contentformat;
2289
2290 $this->format = $format;
2291 }
2292
2293 private function add_comment($content, $idcomment) {
2294 global $CFG, $PAGE;
2295 require_once($CFG->dirroot . "/mod/wiki/locallib.php");
2296
2297 $pageid = $this->page->id;
00710f4c 2298
cfdac90f 2299 wiki_add_comment($this->modcontext, $pageid, $content, $this->format);
00710f4c
DC
2300
2301 if (!$idcomment) {
2302 redirect($CFG->wwwroot . '/mod/wiki/comments.php?pageid=' . $pageid, get_string('createcomment', 'wiki'), 2);
2303 } else {
2304 $this->delete_comment($idcomment);
d6887efc 2305 redirect($CFG->wwwroot . '/mod/wiki/comments.php?pageid=' . $pageid, get_string('editingcomment', 'wiki'), 2);
00710f4c
DC
2306 }
2307 }
2308
2309 private function delete_comment($commentid) {
2310 global $CFG, $PAGE;
2311
00710f4c
DC
2312 $pageid = $this->page->id;
2313
cfdac90f 2314 wiki_delete_comment($commentid, $this->modcontext, $pageid);
00710f4c
DC
2315 }
2316
2317}
2318
2319class page_wiki_lock extends page_wiki_edit {
2320
2321 public function print_header() {
2322 $this->set_url();
2323 }
2324
2325 protected function set_url() {
2326 global $PAGE, $CFG;
2327
2328 $params = array('pageid' => $this->page->id);
2329
2330 if ($this->section) {
2331 $params['section'] = $this->section;
2332 }
2333
2334 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/lock.php', $params);
2335 }
2336
2337 protected function set_session_url() {
2338 }
2339
2340 public function print_content() {
2341 global $USER, $PAGE;
2342
cfdac90f 2343 require_capability('mod/wiki:editpage', $this->modcontext, NULL, true, 'noeditpermission', 'wiki');
00710f4c
DC
2344
2345 wiki_set_lock($this->page->id, $USER->id, $this->section);
2346 }
2347
2348 public function print_footer() {
2349 }
2350}
2351
2352class page_wiki_overridelocks extends page_wiki_edit {
2353 function print_header() {
2354 $this->set_url();
2355 }
2356
2357 function print_content() {
2358 global $CFG, $PAGE;
2359
cfdac90f 2360 require_capability('mod/wiki:overridelock', $this->modcontext, NULL, true, 'nooverridelockpermission', 'wiki');
00710f4c
DC
2361
2362 wiki_delete_locks($this->page->id, null, $this->section, true, true);
2363
2364 $args = "pageid=" . $this->page->id;
2365
2366 if (!empty($this->section)) {
1323bf55 2367 $args .= "&section=" . urlencode($this->section);
00710f4c
DC
2368 }
2369
2370 redirect($CFG->wwwroot . '/mod/wiki/edit.php?' . $args, get_string('overridinglocks', 'wiki'), 2);
2371 }
2372
2373 function set_url() {
2374 global $PAGE, $CFG;
2375
2376 $params = array('pageid' => $this->page->id);
2377
2378 if (!empty($this->section)) {
2379 $params['section'] = $this->section;
2380 }
2381
2382 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/overridelocks.php', $params);
2383 }
2384
2385 protected function set_session_url() {
2386 }
2387
2388 private function print_overridelocks() {
2389 global $CFG;
2390
2391 wiki_delete_locks($this->page->id, null, $this->section, true, true);
2392
2393 $args = "pageid=" . $this->page->id;
2394
2395 if (!empty($this->section)) {
1323bf55 2396 $args .= "&section=" . urlencode($this->section);
00710f4c
DC
2397 }
2398
2399 redirect($CFG->wwwroot . '/mod/wiki/edit.php?' . $args, get_string('overridinglocks', 'wiki'), 2);
2400 }
2401
2402}
ac0a82cf
RT
2403
2404/**
2405 * This class will let user to delete wiki pages and page versions
2406 *
2407 */
2408class page_wiki_admin extends page_wiki {
2409
2410 public $view, $action;
2411 public $listorphan = false;
2412
2413 /**
2414 * Constructor
2415 *
2416 * @global object $PAGE
2417 * @param mixed $wiki instance of wiki
2418 * @param mixed $subwiki instance of subwiki
2419 * @param stdClass $cm course module
2420 */
2421 function __construct($wiki, $subwiki, $cm) {
2422 global $PAGE;
2423 parent::__construct($wiki, $subwiki, $cm);
2424 $PAGE->requires->js_init_call('M.mod_wiki.deleteversion', null, true);
2425 }
2426
2427 /**
2428 * Prints header for wiki page
2429 */
2430 function print_header() {
2431 parent::print_header();
2432 $this->print_pagetitle();
2433 }
2434
2435 /**
2436 * This function will display administration view to users with managewiki capability
2437 */
2438 function print_content() {
2439 //make sure anyone trying to access this page has managewiki capabilities
2440 require_capability('mod/wiki:managewiki', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
2441
2442 //update wiki cache if timedout
2443 $page = $this->page;
2444 if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
2445 $fresh = wiki_refresh_cachedcontent($page);
2446 $page = $fresh['page'];
2447 }
2448
2449 //dispaly admin menu
2450 echo $this->wikioutput->menu_admin($this->page->id, $this->view);
2451
2452 //Display appropriate admin view
2453 switch ($this->view) {
2454 case 1: //delete page view
2455 $this->print_delete_content($this->listorphan);
2456 break;
2457 case 2: //delete version view
2458 $this->print_delete_version();
2459 break;
2460 default: //default is delete view
2461 $this->print_delete_content($this->listorphan);
2462 break;
2463 }
2464 }
2465
2466 /**
2467 * Sets admin view option
2468 *
2469 * @param int $view page view id
2470 * @param bool $listorphan is only valid for view 1.
2471 */
2472 public function set_view($view, $listorphan = true) {
2473 $this->view = $view;
2474 $this->listorphan = $listorphan;
2475 }
2476
2477 /**
2478 * Sets page url
2479 *
2480 * @global object $PAGE
2481 * @global object $CFG
2482 */
2483 function set_url() {
2484 global $PAGE, $CFG;
2485 $PAGE->set_url($CFG->wwwroot . '/mod/wiki/admin.php', array('pageid' => $this->page->id));
2486 }
2487
2488 /**
2489 * sets navigation bar for the page
2490 *
2491 * @global object $PAGE
2492 */
2493 protected function create_navbar() {
2494 global $PAGE;
2495
2496 parent::create_navbar();
2497 $PAGE->navbar->add(get_string('admin', 'wiki'));
2498 }
2499
2500 /**
2501 * Show wiki page delete options
2502 *
2503 * @param bool $showorphan
2504 */
2505 protected function print_delete_content($showorphan = true) {
2506 $contents = array();
2507 $table = new html_table();
9ff5e869 2508 $table->head = array('', get_string('pagename','wiki'));
ac0a82cf
RT
2509 $table->attributes['class'] = 'generaltable mdl-align';
2510 $swid = $this->subwiki->id;
2511 if ($showorphan) {
2512 if ($orphanedpages = wiki_get_orphaned_pages($swid)) {
2513 $this->add_page_delete_options($orphanedpages, $swid, $table);
2514 } else {
2515 $table->data[] = array('', get_string('noorphanedpages', 'wiki'));
2516 }
2517 } else {
2518 if ($pages = wiki_get_page_list($swid)) {
2519 $this->add_page_delete_options($pages, $swid, $table);
2520 } else {
2521 $table->data[] = array('', get_string('nopages', 'wiki'));
2522 }
2523 }
2524
2525 ///Print the form
2526 echo html_writer::start_tag('form', array(
2527 'action' => new moodle_url('/mod/wiki/admin.php'),
2528 'method' => 'post'));
2529 echo html_writer::tag('div', html_writer::empty_tag('input', array(
2530 'type' => 'hidden',
2531 'name' => 'pageid',
2532 'value' => $this->page->id)));
2533
2534 echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'option', 'value' => $this->view));
2535 echo html_writer::table($table);
2536 echo html_writer::start_tag('div', array('class' => 'mdl-align'));
2537 if (!$showorphan) {
2538 echo html_writer::empty_tag('input', array(
2539 'type' => 'submit',
2540 'class' => 'wiki_form-button',
2541 'value' => get_string('listorphan', 'wiki'),
2542 'sesskey' => sesskey()));
2543 } else {
2544 echo html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'listall', 'value'=>'1'));
2545 echo html_writer::empty_tag('input', array(
2546 'type' => 'submit',
2547 'class' => 'wiki_form-button',
2548 'value' => get_string('listall', 'wiki'),
2549 'sesskey' => sesskey()));
2550 }
2551 echo html_writer::end_tag('div');
2552 echo html_writer::end_tag('form');
2553 }
2554
2555 /**
2556 * helper function for print_delete_content. This will add data to the table.
2557 *
2558 * @global object $OUTPUT
2559 * @param array $pages objects of wiki pages in subwiki
2560 * @param int $swid id of subwiki
2561 * @param object $table reference to the table in which data needs to be added
2562 */
2563 protected function add_page_delete_options($pages, $swid, &$table) {
2564 global $OUTPUT;
2565 foreach ($pages as $page) {
2566 $link = wiki_parser_link($page->title, array('swid' => $swid));
2567 $class = ($link['new']) ? 'class="wiki_newentry"' : '';
2568 $pagelink = '<a href="' . $link['url'] . '"' . $class . '>' . format_string($link['content']) . '</a>';
2569 $urledit = new moodle_url('/mod/wiki/edit.php', array('pageid' => $page->id, 'sesskey' => sesskey()));
2570 $urldelete = new moodle_url('/mod/wiki/admin.php', array(
2571 'pageid' => $this->page->id,
2572 'delete' => $page->id,
2573 'option' => $this->view,
2574 'listall' => !$this->listorphan?'1': '',
2575 'sesskey' => sesskey()));
2576
2577 $editlinks = $OUTPUT->action_icon($urledit, new pix_icon('t/edit', get_string('edit')));
2578 $editlinks .= $OUTPUT->action_icon($urldelete, new pix_icon('t/delete', get_string('delete')));
2579 $table->data[] = array($editlinks, $pagelink);
2580 }
2581 }
2582
2583 /**
2584 * Prints lists of versions which can be deleted
2585 *
52cbd9cb
SH
2586 * @global core_renderer $OUTPUT
2587 * @global moodle_page $PAGE
ac0a82cf
RT
2588 */
2589 private function print_delete_version() {
537c237b 2590 global $OUTPUT, $PAGE;
ac0a82cf
RT
2591 $pageid = $this->page->id;
2592
2593 // versioncount is the latest version
2594 $versioncount = wiki_count_wiki_page_versions($pageid) - 1;
2595 $versions = wiki_get_wiki_page_versions($pageid, 0, $versioncount);
2596
2597 // We don't want version 0 to be displayed
2598 // version 0 is blank page
2599 if (end($versions)->version == 0) {
2600 array_pop($versions);
2601 }
2602
2603 $contents = array();
2604 $version0page = wiki_get_wiki_page_version($this->page->id, 0);
2605 $creator = wiki_get_user_info($version0page->userid);
2606 $a = new stdClass();
2607 $a->date = userdate($this->page->timecreated, get_string('strftimedaydatetime', 'langconfig'));
140af2a0 2608 $a->username = fullname($creator);
876c0ac3 2609 echo $OUTPUT->heading(get_string('createddate', 'wiki', $a), 4);
ac0a82cf
RT
2610 if ($versioncount > 0) {
2611 /// If there is only one version, we don't need radios nor forms
2612 if (count($versions) == 1) {
2613 $row = array_shift($versions);
2614 $username = wiki_get_user_info($row->userid);
2615 $picture = $OUTPUT->user_picture($username);
2616 $date = userdate($row->timecreated, get_string('strftimedate', 'langconfig'));
2617 $time = userdate($row->timecreated, get_string('strftimetime', 'langconfig'));
2618 $versionid = wiki_get_version($row->id);
2619 $versionlink = new moodle_url('/mod/wiki/viewversion.php', array('pageid' => $pageid, 'versionid' => $versionid->id));
4a28ff88 2620 $userlink = new moodle_url('/user/view.php', array('id' => $username->id, 'course' => $this->cm->course));
ac0a82cf
RT
2621 $picturelink = $picture . html_writer::link($userlink->out(false), fullname($username));
2622 $historydate = $OUTPUT->container($date, 'wiki_histdate');
2623 $contents[] = array('', html_writer::link($versionlink->out(false), $row->version), $picturelink, $time, $historydate);
2624
2625 //Show current version
2626 $table = new html_table();
2627 $table->head = array('', get_string('version'), get_string('user'), get_string('modified'), '');
2628 $table->data = $contents;
2629 $table->attributes['class'] = 'mdl-align';
2630
2631 echo html_writer::table($table);
2632 } else {
2633 $lastdate = '';
2634 $rowclass = array();
2635
2636 foreach ($versions as $version) {
2637 $user = wiki_get_user_info($version->userid);
2638 $picture = $OUTPUT->user_picture($user, array('popup' => true));
2639 $date = userdate($version->timecreated, get_string('strftimedate'));
2640 if ($date == $lastdate) {
2641 $date = '';
2642 $rowclass[] = '';
2643 } else {
2644 $lastdate = $date;
2645 $rowclass[] = 'wiki_histnewdate';
2646 }
2647
2648 $time = userdate($version->timecreated, get_string('strftimetime', 'langconfig'));
2649 $versionid = wiki_get_version($version->id);
2650 if ($versionid) {
2651 $url = new moodle_url('/mod/wiki/viewversion.php', array('pageid' => $pageid, 'versionid' => $versionid->id));
2652 $viewlink = html_writer::link($url->out(false), $version->version);
2653 } else {
2654 $viewlink = $version->version;
2655 }
2656
4a28ff88 2657 $userlink = new moodle_url('/user/view.php', array('id' => $version->userid, 'course' => $this->cm->course));
ac0a82cf
RT
2658 $picturelink = $picture . html_writer::link($userlink->out(false), fullname($user));
2659 $historydate = $OUTPUT->container($date, 'wiki_histdate');
2660 $radiofromelement = $this->choose_from_radio(array($version->version => null), 'fromversion', 'M.mod_wiki.deleteversion()', $versioncount, true);
2661 $radiotoelement = $this->choose_from_radio(array($version->version => null), 'toversion', 'M.mod_wiki.deleteversion()', $versioncount, true);
2662 $contents[] = array( $radiofromelement . $radiotoelement, $viewlink, $picturelink, $time, $historydate);
2663 }
2664
2665 $table = new html_table();
2666 $table->head = array(get_string('deleteversions', 'wiki'), get_string('version'), get_string('user'), get_string('modified'), '');
2667 $table->data = $contents;
2668 $table->attributes['class'] = 'generaltable mdl-align';
2669 $table->rowclasses = $rowclass;
2670
2671 ///Print the form
2672 echo html_writer::start_tag('form', array('action'=>new moodle_url('/mod/wiki/admin.php'), 'method' => 'post'));
2673 echo html_writer::tag('div', html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'pageid', 'value' => $pageid)));
2674 echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'option', 'value' => $this->view));
2675 echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey()));
2676 echo html_writer::table($table);
2677 echo html_writer::start_tag('div', array('class' => 'mdl-align'));
2678 echo html_writer::empty_tag('input', array('type' => 'submit', 'class' => 'wiki_form-button', 'value' => get_string('deleteversions', 'wiki')));
2679 echo html_writer::end_tag('div');
2680 echo html_writer::end_tag('form');
2681 }
2682 } else {
2683 print_string('nohistory', 'wiki');
2684 }
2685 }
2686
2687 /**
2688 * Given an array of values, creates a group of radio buttons to be part of a form
2689 * helper function for print_delete_version
2690 *
2691 * @param array $options An array of value-label pairs for the radio group (values as keys).
2692 * @param string $name Name of the radiogroup (unique in the form).
2693 * @param string $onclick Function to be executed when the radios are clicked.
2694 * @param string $checked The value that is already checked.
2695 * @param bool $return If true, return the HTML as a string, otherwise print it.
2696 *
2697 * @return mixed If $return is false, returns nothing, otherwise returns a string of HTML.
2698 */
2699 private function choose_from_radio($options, $name, $onclick = '', $checked = '', $return = false) {
2700
2701 static $idcounter = 0;
2702
2703 if (!$name) {
2704 $name = 'unnamed';
2705 }
2706
2707 $output = '<span class="radiogroup ' . $name . "\">\n";
2708
2709 if (!empty($options)) {
2710 $currentradio = 0;
2711 foreach ($options as $value => $label) {
2712 $htmlid = 'auto-rb' . sprintf('%04d', ++$idcounter);
2713 $output .= ' <span class="radioelement ' . $name . ' rb' . $currentradio . "\">";
2714 $output .= '<input name="' . $name . '" id="' . $htmlid . '" type="radio" value="' . $value . '"';
2715 if ($value == $checked) {
2716 $output .= ' checked="checked"';
2717 }
2718 if ($onclick) {
2719 $output .= ' onclick="' . $onclick . '"';
2720 }
2721 if ($label === '') {
2722 $output .= ' /> <label for="' . $htmlid . '">' . $value . '</label></span>' . "\n";
2723 } else {
2724 $output .= ' /> <label for="' . $htmlid . '">' . $label . '</label></span>' . "\n";
2725 }
2726 $currentradio = ($currentradio + 1) % 2;
2727 }
2728 }
2729
2730 $output .= '</span>' . "\n";
2731
2732 if ($return) {
2733 return $output;
2734 } else {
2735 echo $output;
2736 }
2737 }
2738}