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pagelib.php
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pagelib.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This file contains several classes uses to render the different pages of the socialwiki module.
*
* @package mod_socialwiki
* @copyright 2009 Marc Alier, Jordi Piguillem marc.alier@upc.edu
* @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
*
* @author Jordi Piguillem
* @author Marc Alier
* @author David Jimenez
* @author Josep Arus
* @author Daniel Serrano
* @author Kenneth Riba
*
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* The standard overriden socialwiki page class.
*
* @copyright 2015 NMAI-lab
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class page_socialwiki {
/**
* Current wiki.
*
* @var stdClass
*/
protected $wiki;
/**
* Current subwiki.
*
* @var stdClass
*/
protected $subwiki;
/**
* Current page.
*
* @var stdClass
*/
protected $page;
/**
* Current page title.
*
* @var string
*/
public $title;
/**
* Current group ID.
*
* @var int
*/
protected $gid;
/**
* Module context object.
*
* @var stdClass
*/
protected $modcontext;
/**
* Current user ID.
*
* @var int
*/
protected $uid;
/**
* The tabs set used in social wiki module.
* Refers to terms listed in file socialwiki.php under lang/en folder.
*
* @var array
*/
protected $tabs = array('view', 'edit', 'versions', 'admin');
// All tabs: home, view, edit, comments, versions, admin.
/**
* The tab options.
*
* @var array
*/
protected $taboptions = array();
/**
* Wiki renderer.
*
* @var mod_socialwiki_renderer
*/
protected $wikioutput;
/**
* The CSS style.
*
* @var stdClass
*/
protected $style;
/**
* Creates the standard socialwiki page.
*
* @param stdClass $wiki The current wiki.
* @param stdClass $subwiki The current subwiki.
* @param stdClass $cm The current course module.
*/
public function __construct($wiki, $subwiki, $cm) {
global $PAGE, $USER;
$this->subwiki = $subwiki;
$this->wiki = $wiki;
$this->modcontext = context_module::instance($PAGE->cm->id);
// Initialise wiki renderer.
$this->wikioutput = $PAGE->get_renderer('mod_socialwiki');
$PAGE->set_cacheable(true);
$PAGE->set_cm($cm);
$PAGE->set_activity_record($wiki);
$PAGE->requires->jquery();
$this->style = socialwiki_get_currentstyle($wiki->id);
$PAGE->requires->css(new moodle_url("/mod/socialwiki/{$this->style->style}_style.css"));
// The search box.
$PAGE->set_button(socialwiki_search_form($cm));
$this->set_uid($USER->id);
}
/**
* Prints out the header at the top of the page.
*/
public function print_header() {
global $OUTPUT, $PAGE;
$PAGE->set_heading(format_string($PAGE->course->fullname));
$this->set_url();
$this->set_session_url();
$this->create_navbar();
echo $OUTPUT->header();
echo $this->wikioutput->content_area_begin();
$this->print_help();
$this->print_pagetitle();
$this->setup_tabs();
// Tabs are associated with pageid, so if page is empty, tabs should be disabled.
if (!empty($this->page) && !empty($this->tabs)) {
$tabthing = $this->wikioutput->tabs($this->page, $this->tabs, $this->taboptions); // Calls tabs function in renderer.
echo $tabthing;
}
}
/**
* Prints the help button.
*/
public function print_help() {
global $PAGE;
$html = html_writer::start_tag('form', array('action' => 'help.php#'
. basename(filter_input(INPUT_SERVER, 'PHP_SELF'), '.php'), 'target' => '_blank'));
$html .= '<input type="hidden" name="id" value="' . $PAGE->cm->id . '"/>';
$html .= '<input value="' . get_string('help', 'socialwiki') . '" type="submit" class="helpbtn">';
$html .= html_writer::end_tag('form');
echo $html;
}
/**
* Sets the URL of the page.
* This method must be overwritten by every type of page.
*/
protected function set_url() {
throw new coding_exception('Page socialwiki class does not implement method set_url()');
}
/**
* Sets the session url for the current session.
*/
protected function set_session_url() {
global $SESSION;
unset($SESSION->wikipreviousurl);
}
/**
* Add to the navigation bar at the top of the page.
*/
protected function create_navbar() {
global $PAGE, $CFG;
$PAGE->navbar->add(format_string($this->title), $CFG->wwwroot . '/mod/socialwiki/view.php?pageid=' . $this->page->id);
}
/**
* Prints the page title.
*/
protected function print_pagetitle() {
global $OUTPUT;
echo $OUTPUT->heading(format_string($this->title), 2);
}
/**
* Setup page tabs, if options is empty, will set up active tab automatically.
*
* @param array $options The tab options.
*/
protected function setup_tabs($options = array()) {
global $PAGE;
$groupmode = groups_get_activity_groupmode($PAGE->cm);
if (!has_capability('mod/socialwiki:editpage', $PAGE->context)) {
unset($this->tabs['edit']);
}
if ($groupmode && $groupmode == VISIBLEGROUPS) {
$currentgroup = groups_get_activity_group($PAGE->cm);
$manage = has_capability('mod/socialwiki:managewiki', $PAGE->cm->context);
$edit = has_capability('mod/socialwiki:editpage', $PAGE->context);
if (!$manage && !($edit && groups_is_member($currentgroup))) {
unset($this->tabs['edit']);
}
}
if (empty($options)) {
$this->taboptions = array('activetab' => substr(get_class($this), 16));
} else {
$this->taboptions = $options;
}
}
/**
* Prints the page content.
* This method must be overwritten to print the page content.
*/
public function print_content() {
throw new coding_exception('Page socialwiki class does not implement method print_content()');
}
/**
* Method to set the current page.
*
* @param stdClass $page Current page.
*/
public function set_page($page) {
global $PAGE;
$this->page = $page;
$this->title = $page->title;
$PAGE->set_title($this->title);
}
/**
* Sets the current page title.
* This method must be called when the current page is not created yet.
*
* @param string $title Current page title.
*/
public function set_title($title) {
global $PAGE;
$this->page = null;
$this->title = $title;
$PAGE->set_title($this->title);
}
/**
* Sets current group ID.
*
* @param int $gid Current group ID.
*/
public function set_gid($gid) {
$this->gid = $gid;
}
/**
* Sets current user ID.
*
* @param int $uid Current user ID.
*/
public function set_uid($uid) {
$this->uid = $uid;
}
/**
* Prints out the footer at the bottom of the page.
*/
public function print_footer() {
global $OUTPUT;
echo $this->wikioutput->content_area_end();
echo $OUTPUT->footer();
}
}
/**
* The socialwiki view page class.
*
* @copyright 2015 NMAI-lab
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class page_socialwiki_view extends page_socialwiki {
/**
* Prints out the header at the top of the page.
*/
public function print_header() {
global $PAGE;
// Print styling.
$PAGE->requires->css(new moodle_url("/mod/socialwiki/print.css"));
// JS code for the ajax-powered like button.
$PAGE->requires->js(new moodle_url("/mod/socialwiki/view.js"));
parent::print_header();
$this->wikioutput->socialwiki_print_subwiki_selector($PAGE->activityrecord, $this->subwiki, $this->page, 'view');
}
/**
* Do not show the help button here.
*/
public function print_help() {
}
/**
* Sets the URL of the page.
*/
public function set_url() {
global $PAGE, $CFG;
$params = array();
if (!empty($this->page) && $this->page != null) {
$params['pageid'] = $this->page->id;
} else if (!empty($this->gid)) {
$params['wid'] = $PAGE->cm->instance;
$params['group'] = $this->gid;
} else if (!empty($this->title)) {
$params['swid'] = $this->subwiki->id;
$params['title'] = $this->title;
} else {
print_error(get_string('invalidparameters', 'socialwiki'));
}
$PAGE->set_url(new moodle_url($CFG->wwwroot . '/mod/socialwiki/view.php', $params));
}
/**
* Add to the navigation bar at the top of the page.
*/
protected function create_navbar() {
global $PAGE;
$PAGE->navbar->add(format_string($this->title));
$PAGE->navbar->add(get_string('view', 'socialwiki'));
}
/**
* Prints the page title, including the like button.
*/
protected function print_pagetitle() {
global $CFG;
$key = sesskey();
echo '<script> var options="?pageid='.$this->page->id.'&sesskey='.$key.'"</script>'; // Passed to ajax liker.
$isliked = socialwiki_liked($this->uid, $this->page->id);
$likecurrent = ($isliked ? 'unlike' : 'like');
$likeother = (!$isliked ? 'unlike' : 'like');
$pixurl = new moodle_url('/mod/socialwiki/pix/icons/');
$link = '';
if (has_capability('mod/socialwiki:editpage', $this->modcontext)) {
$link = "$CFG->wwwroot/mod/socialwiki/like.php?pageid={$this->page->id}&sesskey=$key";
}
$numlikes = socialwiki_numlikes($this->page->id);
$liker = html_writer::start_tag('a', array('id' => 'socialwiki-like',
'class' => $isliked ? 'liked' : '', 'href' => $link, 'title' => get_string('like_tip', 'socialwiki')));
$liker .= html_writer::tag('img', "", array('src' => $pixurl . $likecurrent . '.png',
'other' => $pixurl . $likeother . '.png'));
$liker .= html_writer::tag('span', "$numlikes " . get_string($numlikes === 1 ? 'like' : 'likes', 'socialwiki'));
$liker .= html_writer::end_tag('a');
echo $liker;
parent::print_pagetitle();
$params = array('pageid' => $this->page->id);
$this->wikioutput->navigator($params, $this->page->id, $this->subwiki->id);
}
/**
* Prints the page content.
*/
public function print_content() {
if (socialwiki_user_can_view($this->subwiki)) {
if (!empty($this->page)) {
echo socialwiki_print_page_content($this->page, $this->modcontext, $this->subwiki->id);
} else {
echo get_string('nocontent', 'socialwiki');
}
} else {
echo get_string('cannotviewpage', 'socialwiki');
}
}
/**
* Print comments.
*/
public function print_comments() {
global $CFG, $OUTPUT, $USER;
$course = get_context_info_array($this->modcontext->id)[1];
if (!has_capability('mod/socialwiki:viewcomment', $this->modcontext)) {
return;
}
echo '<hr>';
$comments = socialwiki_get_comments($this->modcontext->id, $this->page->id);
// Add comment button.
if (has_capability('mod/socialwiki:editcomment', $this->modcontext)) {
echo "<div class='midpad'><a href='$CFG->wwwroot/mod/socialwiki/editcomments.php?action=add&pageid="
. "{$this->page->id}'>" . get_string('addcomment', 'socialwiki') . "</a></div>";
}
// Show reversible button.
if (count($comments) > 1) {
echo '<a id="socialwiki-comdirection" other="'
. get_string('commentoldest', 'socialwiki') . '")>' . get_string('commentnewest', 'socialwiki') . '</a>';
}
// List comments.
echo '<ol class="socialwiki-commentlist reversed">';
foreach ($comments as $comment) {
$user = socialwiki_get_user_info($comment->userid);
// Get the user name and date of posting.
$info = '<b><a href="' . $CFG->wwwroot . '/mod/socialwiki/viewuserpages.php?userid='
. $user->id . '&subwikiid=' . $this->page->subwikiid . '">'
. fullname($user, has_capability('moodle/site:viewfullnames', context_course::instance($course->id)))
. '</a></b> ' . socialwiki_format_time($comment->timecreated) . ' ';
// Check if edit and delete icons should be shown.
if (has_capability('mod/socialwiki:managecomment', $this->modcontext) ||
(has_capability('mod/socialwiki:editcomment', $this->modcontext) && $USER->id == $user->id)) {
$urledit = new moodle_url('/mod/socialwiki/editcomments.php',
array('commentid' => $comment->id, 'pageid' => $this->page->id, 'action' => 'edit'));
$urldelet = new moodle_url('/mod/socialwiki/instancecomments.php',
array('commentid' => $comment->id, 'pageid' => $this->page->id, 'action' => 'delete'));
$info .= $OUTPUT->action_icon($urledit, new pix_icon('t/edit', get_string('edit'), "",
array('class' => 'iconsmall'))) . $OUTPUT->action_icon($urldelet,
new pix_icon('t/delete', get_string('delete'), "", array('class' => 'iconsmall')));
}
// Print out the full comment.
echo "<li><div style='float:left; margin-right:12px'>" . $OUTPUT->user_picture($user, array('popup' => true))
. "</div>$info<div>$comment->content</div></li>";
}
echo '</ol>';
}
}
/**
* The socialwiki edit page class.
*
* @copyright 2015 NMAI-lab
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class page_socialwiki_edit extends page_socialwiki {
/**
* The options available for attachments.
*
* @var array
*/
public static $attachmentoptions;
/**
* The section name.
*
* @var string
*/
protected $section;
/**
* The section content.
*
* @var string
*/
protected $sectioncontent;
protected $upload = false;
protected $format;
protected $makenew;
/**
* Creates a new edit page.
*
* @param stdClass $wiki The current wiki.
* @param stdClass $subwiki The current subwiki.
* @param stdClass $cm The current course module.
* @param bool $makenew Whether to make a new topic from this page (no parent).
*/
public function __construct($wiki, $subwiki, $cm, $makenew) {
global $CFG;
parent::__construct($wiki, $subwiki, $cm);
$this->makenew = $makenew;
self::$attachmentoptions = array('subdirs' => false,
'maxfiles' => - 1, 'maxbytes' => $CFG->maxbytes, 'accepted_types' => '*');
}
/**
* Sets the URL of the page.
*/
protected function set_url() {
global $PAGE, $CFG;
$params = array('pageid' => $this->page->id);
if (isset($this->section)) {
$params['section'] = $this->section;
}
$params['makenew'] = $this->makenew;
$PAGE->set_url("$CFG->wwwroot/mod/socialwiki/edit.php?makenew=$this->makenew", $params);
}
/**
* Sets the session URL of the page.
*/
protected function set_session_url() {
global $SESSION;
$SESSION->wikipreviousurl = array('page' => 'edit',
'params' => array('pageid' => $this->page->id, 'section' => $this->section));
}
/**
* Add to the navigation bar at the top of the page.
*/
protected function create_navbar() {
global $PAGE;
parent::create_navbar();
$PAGE->navbar->add(get_string('edit', 'socialwiki'));
}
/**
* Prints the page content.
*/
public function print_content() {
if (socialwiki_user_can_edit($this->subwiki)) {
$this->print_edit();
} else {
echo get_string('cannoteditpage', 'socialwiki');
}
}
/**
* Sets section information.
*
* @param string $sectioncontent The section content.
* @param string $section The section name.
*/
public function set_section($sectioncontent, $section) {
$this->sectioncontent = $sectioncontent;
$this->section = $section;
}
/**
* Sets the page formatting style.
*
* @param string $format The formatting style.
*/
public function set_format($format) {
$this->format = $format;
}
public function set_upload($upload) {
$this->upload = $upload;
}
/**
* Prints the editing content pane.
*
* @param string $content The current content from the previous version.
* @param bool $notify Whether to show a notification.
*/
protected function print_edit($content = null, $notify = true) {
global $CFG, $OUTPUT;
if ($notify) {
echo $OUTPUT->notification(get_string('editwarning', 'socialwiki'), 'info');
}
if ($content == null) {
if (empty($this->section)) {
$content = $this->page->content;
} else {
$content = $this->sectioncontent;
}
}
$url = $CFG->wwwroot . '/mod/socialwiki/edit.php?pageid=' . $this->page->id . '&makenew=' . $this->makenew;
if (!empty($this->section)) {
$url .= "§ion=" . urlencode($this->section);
}
$params = array(
'attachmentoptions' => self::$attachmentoptions,
'format' => $this->page->format,
'pagetitle' => $this->page->title,
'contextid' => $this->modcontext->id
);
$data = new stdClass();
$data->newcontent = $content;
$data->format = $this->page->format;
if ($this->page->format === 'html') {
$data->newcontentformat = FORMAT_HTML;
// Append editor context to editor options, giving preference to existing context.
self::$attachmentoptions = array_merge(
array('context' => $this->modcontext), self::$attachmentoptions);
$data = file_prepare_standard_editor($data, 'newcontent', self::$attachmentoptions,
$this->modcontext, 'mod_socialwiki', 'attachments', $this->subwiki->id);
} else {
$params['fileitemid'] = $this->subwiki->id;
$params['component'] = 'mod_socialwiki';
$params['filearea'] = 'attachments';
if (has_capability('mod/socialwiki:managefiles', $this->modcontext)) {
echo "<a href='{$CFG->wwwroot}/mod/socialwiki/filesedit.php?subwiki={$this->subwiki->id}&pageid={$this->page->id}'>"
. get_string('uploadtitle', 'socialwiki') . '</a>';
}
}
$form = new mod_socialwiki_edit_form($url, $params);
$form->set_data($data);
$form->display();
}
}
/**
* The socialwiki edit comment page class.
*
* @copyright 2015 NMAI-lab
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class page_socialwiki_editcomment extends page_socialwiki {
private $comment;
private $action;
/**
* @var moodleform
*/
private $form;
/**
* Sets the URL of the page.
*/
public function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/socialwiki/editcomments.php', array('pageid' => $this->page->id));
}
/**
* Add to the navigation bar at the top of the page.
*/
protected function create_navbar() {
global $PAGE, $CFG;
$PAGE->navbar->add(get_string('comments', 'socialwiki'), $CFG->wwwroot
. '/mod/socialwiki/view.php?pageid=' . $this->page->id);
if ($this->action == 'add') {
$PAGE->navbar->add(get_string('insertcomment', 'socialwiki'));
} else {
$PAGE->navbar->add(get_string('editcomment', 'socialwiki'));
}
}
/**
* Setup page tabs.
*
* @param array $options Not used in this case.
*/
protected function setup_tabs($options = array()) {
parent::setup_tabs(array('linkedwhenactive' => 'comments', 'activetab' => 'comments'));
}
/**
* Prints the page content.
*/
public function print_content() {
require_capability('mod/socialwiki:editcomment', $this->modcontext, null, true, 'noeditcommentpermission', 'socialwiki');
// Setup a new comment or put together a comment to edit.
$com = new stdClass();
if ($this->action === 'edit') {
$com = $this->comment;
$com->entrycomment_editor['text'] = $com->content;
}
$com->action = $this->action;
$com->commentoptions = array('trusttext' => true, 'maxfiles' => 0);
$this->form->set_data($com);
$this->form->display();
}
public function set_action($action, $comment) {
global $CFG;
require_once($CFG->dirroot . '/mod/socialwiki/comments_form.php');
$this->action = $action;
$this->comment = $comment;
$destination = $CFG->wwwroot . '/mod/socialwiki/instancecomments.php?pageid=' . $this->page->id;
$this->form = new mod_socialwiki_comments_form($destination);
}
}
/**
* The socialwiki create page class.
*
* @copyright 2015 NMAI-lab
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class page_socialwiki_create extends page_socialwiki {
private $format;
private $swid;
private $wid;
private $action;
private $groups;
/**
* @var moodleform
*/
private $form;
/**
* Sets the URL of the page.
*/
public function set_url() {
global $PAGE;
$params = array();
$params['swid'] = $this->swid;
if ($this->action == 'new') {
$params['action'] = 'new';
$params['wid'] = $this->wid;
if ($this->title != get_string('newpage', 'socialwiki')) {
$params['title'] = $this->title;
}
} else {
$params['action'] = 'create';
}
$PAGE->set_url(new moodle_url('/mod/socialwiki/create.php', $params));
}
/**
* Add to the navigation bar at the top of the page.
*/
protected function create_navbar() {
global $PAGE;
// The navigation_node::get_content formats this before printing.
$PAGE->navbar->add($this->title);
}
public function set_format($format) {
$this->format = $format;
}
public function set_wid($wid) {
$this->wid = $wid;
}
public function set_swid($swid) {
$this->swid = $swid;
}
public function set_availablegroups($group) {
$this->groups = $group;
}
public function set_action($action) {
global $PAGE;
$this->action = $action;
$url = new moodle_url('/mod/socialwiki/create.php',
array('action' => 'create', 'wid' => $PAGE->activityrecord->id, 'group' => $this->gid, 'uid' => $this->uid));
$formats = socialwiki_get_formats();
$options = array('formats' => $formats, 'defaultformat' => $PAGE->activityrecord->defaultformat,
'forceformat' => $PAGE->activityrecord->forceformat, 'groups' => $this->groups);
if ($this->title != get_string('newpage', 'socialwiki')) {
$options['disable_pagetitle'] = true;
}
$this->form = new mod_socialwiki_create_form($url->out(false), $options);
}
/**
* Prints the page content.
*
* @param string $pagetitle The page title.
*/
public function print_content($pagetitle = "") {
global $PAGE;
// TODO: Change this to has_capability and show an alternative interface.
require_capability('mod/socialwiki:createpage', $this->modcontext, null, true, 'nocreatepermission', 'socialwiki');
$data = new stdClass();
if (!empty($pagetitle)) {
$data->pagetitle = $pagetitle;
}
$data->pageformat = $PAGE->activityrecord->defaultformat;
$this->form->set_data($data);
$this->form->display();
}
public function create_page($pagetitle) {
global $USER, $PAGE;
$data = $this->form->get_data();
if (isset($data->groupinfo)) {
$groupid = $data->groupinfo;
} else if (!empty($this->gid)) {
$groupid = $this->gid;
} else {
$groupid = '0';
}
if (empty($this->subwiki)) {
// If subwiki is not set then try find one and set else create one.
if (!$this->subwiki = socialwiki_get_subwiki_by_group($this->wid, $groupid, $this->uid)) {
$swid = socialwiki_add_subwiki($PAGE->activityrecord->id, $groupid, $this->uid);
$this->subwiki = socialwiki_get_subwiki($swid);
}
}
if ($data) {
$this->set_title($data->pagetitle);
$id = socialwiki_create_page($this->subwiki->id, $data->pagetitle, $data->pageformat, $USER->id);
} else {
$this->set_title($pagetitle);
$id = socialwiki_create_page($this->subwiki->id, $pagetitle, $PAGE->activityrecord->defaultformat, $USER->id);
}
$this->page = $id;
return $id;
}
}
/**
* The socialwiki preview page class.
*
* @copyright 2015 NMAI-lab
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class page_socialwiki_preview extends page_socialwiki_edit {
private $newcontent;
/**
* Sets the URL of the page.
*/
public function set_url() {
global $PAGE, $CFG;
$params = array('pageid' => $this->page->id);
if (isset($this->section)) {
$params['section'] = $this->section;
}
$PAGE->set_url($CFG->wwwroot . '/mod/socialwiki/edit.php', $params);
}
/**
* Setup page tabs.
*
* @param array $options Not used in this case.
*/
protected function setup_tabs($options = array()) {
parent::setup_tabs(array('linkedwhenactive' => 'edit', 'activetab' => 'edit'));
}
/**
* Prints the page content.
*/
public function print_content() {
require_capability('mod/socialwiki:editpage', $this->modcontext, null, true, 'noeditpermission', 'socialwiki');
$this->print_preview();
}
public function set_newcontent($newcontent) {
$this->newcontent = $newcontent;
}
protected function print_preview() {
global $CFG, $OUTPUT;
$content = $this->page->content;
$url = $CFG->wwwroot . '/mod/socialwiki/edit.php?pageid=' . $this->page->id;
if (!empty($this->section)) {
$url .= "§ion=" . urlencode($this->section);
}
$params = array(
'attachmentoptions' => page_socialwiki_edit::$attachmentoptions,
'format' => $this->format,
'contextid' => $this->modcontext->id
);
if ($this->format != 'html') {
$params['component'] = 'mod_socialwiki';
$params['filearea'] = 'attachments';
$params['fileitemid'] = $this->page->id;
}
$form = new mod_socialwiki_edit_form($url, $params);
$options = array('swid' => $this->page->subwikiid, 'pageid' => $this->page->id, 'pretty_print' => true, 'navi' => 0);
if ($data = $form->get_data()) {
if (isset($data->newcontent)) {
// Wiki format.
$text = $data->newcontent;
} else {
// HTML format.
$text = $data->newcontent_editor['text'];
}
$parserout = socialwiki_parse_content($data->contentformat, $text, $options);
$this->set_newcontent($text);
echo $OUTPUT->notification(get_string('previewwarning', 'socialwiki'), 'notifyproblem');
$parsedcontent = format_text($parserout['parsed_text'], FORMAT_HTML, array('overflowdiv' => true, 'filter' => false));
echo $OUTPUT->box($parsedcontent, 'socialwiki-previewbox');
$content = $this->newcontent;
}
$this->print_edit($content, false);
}
}
/**
* The socialwiki difference page class.
*
* @copyright 2015 NMAI-lab
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class page_socialwiki_diff extends page_socialwiki {
private $compare;
private $comparewith;
/**
* Prints out the header at the top of the page.
*/
public function print_header() {
parent::print_header();
$vstring = new stdClass();
$vstring->old = $this->compare;
$vstring->new = $this->comparewith;
echo get_string('comparewith', 'socialwiki', $vstring);
}
/**
* Sets the URL of the page.
*/
public function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/socialwiki/diff.php',
array('pageid' => $this->page->id, 'comparewith' => $this->comparewith, 'compare' => $this->compare));
}
/**
* Add to the navigation bar at the top of the page.
*/
protected function create_navbar() {
global $PAGE, $CFG;
parent::create_navbar();
$PAGE->navbar->add(get_string('versions', 'socialwiki'), $CFG->wwwroot
. '/mod/socialwiki/versions.php?pageid=' . $this->page->id);
$PAGE->navbar->add(get_string('diff', 'socialwiki'));
}
/**
* Prints the page content.
*/
public function print_content() {
require_capability('mod/socialwiki:viewpage', $this->modcontext, null, true, 'noviewpagepermission', 'socialwiki');
$oldversion = socialwiki_get_page($this->compare);
$newversion = socialwiki_get_page($this->comparewith);
if ($oldversion && $newversion) {
$oldtext = format_text(file_rewrite_pluginfile_urls($oldversion->content,
'pluginfile.php', $this->modcontext->id, 'mod_socialwiki', 'attachments', $this->subwiki->id));
$newtext = format_text(file_rewrite_pluginfile_urls($newversion->content,