.
/**
* This file contains several classes uses to render the diferent pages
* of the wiki module
*
* @package mod_wiki
* @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
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot . '/mod/wiki/edit_form.php');
/**
* Class page_wiki contains the common code between all pages
*
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class page_wiki {
/**
* @var object Current subwiki
*/
protected $subwiki;
/**
* @var int Current page
*/
protected $page;
/**
* @var string Current page title
*/
protected $title;
/**
* @var int Current group ID
*/
protected $gid;
/**
* @var object module context object
*/
protected $modcontext;
/**
* @var int Current user ID
*/
protected $uid;
/**
* @var array The tabs set used in wiki module
*/
protected $tabs = array('view' => 'view', 'edit' => 'edit', 'comments' => 'comments',
'history' => 'history', 'map' => 'map', 'files' => 'files',
'admin' => 'admin');
/**
* @var array tabs options
*/
protected $tabs_options = array();
/**
* @var mod_wiki_renderer wiki renderer
*/
protected $wikioutput;
/**
* @var stdClass course module.
*/
protected $cm;
/**
* page_wiki constructor
*
* @param $wiki. Current wiki
* @param $subwiki. Current subwiki.
* @param $cm. Current course_module.
*/
function __construct($wiki, $subwiki, $cm) {
global $PAGE, $CFG;
$this->subwiki = $subwiki;
$this->cm = $cm;
$this->modcontext = context_module::instance($this->cm->id);
// initialise wiki renderer
$this->wikioutput = $PAGE->get_renderer('mod_wiki');
$PAGE->set_cacheable(true);
$PAGE->set_cm($cm);
$PAGE->set_activity_record($wiki);
// the search box
if (!empty($subwiki->id)) {
$search = optional_param('searchstring', null, PARAM_TEXT);
$PAGE->set_button(wiki_search_form($cm, $search, $subwiki));
}
}
/**
* This method prints the top of the page.
*/
function print_header() {
global $OUTPUT, $PAGE, $CFG, $USER, $SESSION;
$PAGE->set_heading($PAGE->course->fullname);
$this->set_url();
if (isset($SESSION->wikipreviousurl) && is_array($SESSION->wikipreviousurl)) {
$this->process_session_url();
}
$this->set_session_url();
$this->create_navbar();
$this->setup_tabs();
echo $OUTPUT->header();
$wiki = $PAGE->activityrecord;
echo $OUTPUT->heading(format_string($wiki->name));
echo $this->wikioutput->wiki_info();
// tabs are associated with pageid, so if page is empty, tabs should be disabled
if (!empty($this->page) && !empty($this->tabs)) {
echo $this->wikioutput->tabs($this->page, $this->tabs, $this->tabs_options);
}
}
/**
* Protected method to print current page title.
*/
protected function print_pagetitle() {
global $OUTPUT;
$html = '';
$html .= $OUTPUT->container_start('wiki_headingtitle');
$html .= $OUTPUT->heading(format_string($this->title), 3);
$html .= $OUTPUT->container_end();
echo $html;
}
/**
* Setup page tabs, if options is empty, will set up active tab automatically
* @param array $options, tabs options
*/
protected function setup_tabs($options = array()) {
global $CFG, $PAGE;
$groupmode = groups_get_activity_groupmode($this->cm);
if (empty($CFG->usecomments) || !has_capability('mod/wiki:viewcomment', $PAGE->context)){
unset($this->tabs['comments']);
}
if (!has_capability('mod/wiki:editpage', $PAGE->context)){
unset($this->tabs['edit']);
}
if ($groupmode and $groupmode == VISIBLEGROUPS) {
$currentgroup = groups_get_activity_group($this->cm);
$manage = has_capability('mod/wiki:managewiki', $this->modcontext);
$edit = has_capability('mod/wiki:editpage', $PAGE->context);
if (!$manage and !($edit and groups_is_member($currentgroup))) {
unset($this->tabs['edit']);
}
}
if (empty($options)) {
$this->tabs_options = array('activetab' => substr(get_class($this), 10));
} else {
$this->tabs_options = $options;
}
}
/**
* This method must be overwritten to print the page content.
*/
function print_content() {
throw new coding_exception('Page wiki class does not implement method print_content()');
}
/**
* Method to set the current page
*
* @param object $page Current page
*/
function set_page($page) {
global $PAGE;
$this->page = $page;
$this->title = $page->title;
// set_title calls format_string itself so no probs there
$PAGE->set_title($this->title);
}
/**
* Method to set the current page title.
* This method must be called when the current page is not created yet.
* @param string $title Current page title.
*/
function set_title($title) {
global $PAGE;
$this->page = null;
$this->title = $title;
// set_title calls format_string itself so no probs there
$PAGE->set_title($this->title);
}
/**
* Method to set current group id
* @param int $gid Current group id
*/
function set_gid($gid) {
$this->gid = $gid;
}
/**
* Method to set current user id
* @param int $uid Current user id
*/
function set_uid($uid) {
$this->uid = $uid;
}
/**
* Method to set the URL of the page.
* This method must be overwritten by every type of page.
*/
protected function set_url() {
throw new coding_exception('Page wiki class does not implement method set_url()');
}
/**
* Protected method to create the common items of the navbar in every page type.
*/
protected function create_navbar() {
global $PAGE, $CFG;
$PAGE->navbar->add(format_string($this->title), $CFG->wwwroot . '/mod/wiki/view.php?pageid=' . $this->page->id);
}
/**
* This method print the footer of the page.
*/
function print_footer() {
global $OUTPUT;
echo $OUTPUT->footer();
}
protected function process_session_url() {
global $USER, $SESSION;
//delete locks if edit
$url = $SESSION->wikipreviousurl;
switch ($url['page']) {
case 'edit':
wiki_delete_locks($url['params']['pageid'], $USER->id, $url['params']['section'], false);
break;
}
}
protected function set_session_url() {
global $SESSION;
unset($SESSION->wikipreviousurl);
}
}
/**
* View a wiki page
*
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class page_wiki_view extends page_wiki {
function print_header() {
global $PAGE;
parent::print_header();
$this->wikioutput->wiki_print_subwiki_selector($PAGE->activityrecord, $this->subwiki, $this->page, 'view');
if (!empty($this->page)) {
echo $this->wikioutput->prettyview_link($this->page);
}
//echo $this->wikioutput->page_index();
$this->print_pagetitle();
}
function print_content() {
global $PAGE, $CFG;
if (wiki_user_can_view($this->subwiki)) {
if (!empty($this->page)) {
wiki_print_page_content($this->page, $this->modcontext, $this->subwiki->id);
$wiki = $PAGE->activityrecord;
} else {
print_string('nocontent', 'wiki');
// TODO: fix this part
$swid = 0;
if (!empty($this->subwiki)) {
$swid = $this->subwiki->id;
}
}
} else {
echo get_string('cannotviewpage', 'wiki');
}
}
function set_url() {
global $PAGE, $CFG;
$params = array();
if (isset($this->cm->id)) {
$params['id'] = $this->cm->id;
} else if (!empty($this->page) and $this->page != null) {
$params['pageid'] = $this->page->id;
} else if (!empty($this->gid)) {
$params['wid'] = $this->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', 'wiki'));
}
$PAGE->set_url(new moodle_url($CFG->wwwroot . '/mod/wiki/view.php', $params));
}
protected function create_navbar() {
global $PAGE;
$PAGE->navbar->add(format_string($this->title));
$PAGE->navbar->add(get_string('view', 'wiki'));
}
}
/**
* Wiki page editing page
*
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class page_wiki_edit extends page_wiki {
public static $attachmentoptions;
protected $sectioncontent;
/** @var string the section name needed to be edited */
protected $section;
protected $overridelock = false;
protected $versionnumber = -1;
protected $upload = false;
protected $attachments = 0;
protected $deleteuploads = array();
protected $format;
function __construct($wiki, $subwiki, $cm) {
global $CFG, $PAGE;
parent::__construct($wiki, $subwiki, $cm);
$showfilemanager = false;
if (has_capability('mod/wiki:managefiles', context_module::instance($cm->id))) {
$showfilemanager = true;
}
self::$attachmentoptions = array('subdirs' => false, 'maxfiles' => - 1, 'maxbytes' => $CFG->maxbytes,
'accepted_types' => '*', 'enable_filemanagement' => $showfilemanager);
$PAGE->requires->js_init_call('M.mod_wiki.renew_lock', null, true);
}
protected function print_pagetitle() {
global $OUTPUT;
$title = $this->title;
if (isset($this->section)) {
$title .= ' : ' . $this->section;
}
echo $OUTPUT->container_start('wiki_clear wiki_headingtitle');
echo $OUTPUT->heading(format_string($title), 3);
echo $OUTPUT->container_end();
}
function print_header() {
global $OUTPUT, $PAGE;
$PAGE->requires->data_for_js('wiki', array('renew_lock_timeout' => LOCK_TIMEOUT - 5, 'pageid' => $this->page->id, 'section' => $this->section));
parent::print_header();
$this->print_pagetitle();
print '';
}
function print_content() {
global $PAGE;
if (wiki_user_can_edit($this->subwiki)) {
$this->print_edit();
} else {
echo get_string('cannoteditpage', 'wiki');
}
}
protected 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/wiki/edit.php', $params);
}
protected function set_session_url() {
global $SESSION;
$SESSION->wikipreviousurl = array('page' => 'edit', 'params' => array('pageid' => $this->page->id, 'section' => $this->section));
}
protected function process_session_url() {
}
function set_section($sectioncontent, $section) {
$this->sectioncontent = $sectioncontent;
$this->section = $section;
}
public function set_versionnumber($versionnumber) {
$this->versionnumber = $versionnumber;
}
public function set_overridelock($override) {
$this->overridelock = $override;
}
function set_format($format) {
$this->format = $format;
}
public function set_upload($upload) {
$this->upload = $upload;
}
public function set_attachments($attachments) {
$this->attachments = $attachments;
}
public function set_deleteuploads($deleteuploads) {
$this->deleteuploads = $deleteuploads;
}
protected function create_navbar() {
global $PAGE, $CFG;
parent::create_navbar();
$PAGE->navbar->add(get_string('edit', 'wiki'));
}
protected function check_locks() {
global $OUTPUT, $USER, $CFG;
if (!wiki_set_lock($this->page->id, $USER->id, $this->section, true)) {
print $OUTPUT->box(get_string('pageislocked', 'wiki'), 'generalbox boxwidthnormal boxaligncenter');
if ($this->overridelock) {
$params = 'pageid=' . $this->page->id;
if ($this->section) {
$params .= '§ion=' . urlencode($this->section);
}
$form = '';
print $OUTPUT->box($form, 'generalbox boxwidthnormal boxaligncenter');
}
return false;
}
return true;
}
protected function print_edit($content = null) {
global $CFG, $OUTPUT, $USER, $PAGE;
if (!$this->check_locks()) {
return;
}
//delete old locks (> 1 hour)
wiki_delete_old_locks();
$version = wiki_get_current_version($this->page->id);
$format = $version->contentformat;
if ($content == null) {
if (empty($this->section)) {
$content = $version->content;
} else {
$content = $this->sectioncontent;
}
}
$versionnumber = $version->version;
if ($this->versionnumber >= 0) {
if ($version->version != $this->versionnumber) {
print $OUTPUT->box(get_string('wrongversionlock', 'wiki'), 'errorbox');
$versionnumber = $this->versionnumber;
}
}
$url = $CFG->wwwroot . '/mod/wiki/edit.php?pageid=' . $this->page->id;
if (!empty($this->section)) {
$url .= "§ion=" . urlencode($this->section);
}
$params = array(
'attachmentoptions' => page_wiki_edit::$attachmentoptions,
'format' => $version->contentformat,
'version' => $versionnumber,
'pagetitle' => $this->page->title,
'contextid' => $this->modcontext->id
);
$data = new StdClass();
$data->newcontent = $content;
$data->version = $versionnumber;
$data->format = $format;
switch ($format) {
case 'html':
$data->newcontentformat = FORMAT_HTML;
// Append editor context to editor options, giving preference to existing context.
page_wiki_edit::$attachmentoptions = array_merge(array('context' => $this->modcontext), page_wiki_edit::$attachmentoptions);
$data = file_prepare_standard_editor($data, 'newcontent', page_wiki_edit::$attachmentoptions, $this->modcontext, 'mod_wiki', 'attachments', $this->subwiki->id);
break;
default:
break;
}
if ($version->contentformat != 'html') {
$params['fileitemid'] = $this->subwiki->id;
$params['component'] = 'mod_wiki';
$params['filearea'] = 'attachments';
}
$data->tags = core_tag_tag::get_item_tags_array('mod_wiki', 'wiki_pages', $this->page->id);
$form = new mod_wiki_edit_form($url, $params);
$form->set_data($data);
$form->display();
}
}
/**
* Class that models the behavior of wiki's view comments page
*
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class page_wiki_comments extends page_wiki {
function print_header() {
parent::print_header();
$this->print_pagetitle();
}
function print_content() {
global $CFG, $OUTPUT, $USER, $PAGE;
require_once($CFG->dirroot . '/mod/wiki/locallib.php');
$page = $this->page;
$subwiki = $this->subwiki;
$wiki = $PAGE->activityrecord;
list($context, $course, $cm) = get_context_info_array($this->modcontext->id);
require_capability('mod/wiki:viewcomment', $this->modcontext, NULL, true, 'noviewcommentpermission', 'wiki');
$comments = wiki_get_comments($this->modcontext->id, $page->id);
if (has_capability('mod/wiki:editcomment', $this->modcontext)) {
echo '';
}
$options = array('swid' => $this->page->subwikiid, 'pageid' => $page->id);
$version = wiki_get_current_version($this->page->id);
$format = $version->contentformat;
if (empty($comments)) {
echo html_writer::tag('p', get_string('nocomments', 'wiki'), array('class' => 'bold'));
}
foreach ($comments as $comment) {
$user = wiki_get_user_info($comment->userid);
$fullname = fullname($user, has_capability('moodle/site:viewfullnames', context_course::instance($course->id)));
$by = new stdclass();
$by->name = '' . $fullname . '';
$by->date = userdate($comment->timecreated);
$t = new html_table();
$t->id = 'wiki-comments';
$cell1 = new html_table_cell($OUTPUT->user_picture($user, array('popup' => true)));
$cell2 = new html_table_cell(get_string('bynameondate', 'forum', $by));
$cell3 = new html_table_cell();
$cell3->atributtes ['width'] = "80%";
$cell4 = new html_table_cell();
$cell5 = new html_table_cell();
$row1 = new html_table_row();
$row1->cells[] = $cell1;
$row1->cells[] = $cell2;
$row2 = new html_table_row();
$row2->cells[] = $cell3;
if ($format != 'html') {
if ($format == 'creole') {
$parsedcontent = wiki_parse_content('creole', $comment->content, $options);
} else if ($format == 'nwiki') {
$parsedcontent = wiki_parse_content('nwiki', $comment->content, $options);
}
$cell4->text = format_text(html_entity_decode($parsedcontent['parsed_text'], ENT_QUOTES, 'UTF-8'), FORMAT_HTML);
} else {
$cell4->text = format_text($comment->content, FORMAT_HTML);
}
$row2->cells[] = $cell4;
$t->data = array($row1, $row2);
$canedit = $candelete = false;
if ((has_capability('mod/wiki:editcomment', $this->modcontext)) and ($USER->id == $user->id)) {
$candelete = $canedit = true;
}
if ((has_capability('mod/wiki:managecomment', $this->modcontext))) {
$candelete = true;
}
$editicon = $deleteicon = '';
if ($canedit) {
$urledit = new moodle_url('/mod/wiki/editcomments.php', array('commentid' => $comment->id, 'pageid' => $page->id, 'action' => 'edit'));
$editicon = $OUTPUT->action_icon($urledit, new pix_icon('t/edit', get_string('edit'), '', array('class' => 'iconsmall')));
}
if ($candelete) {
$urldelete = new moodle_url('/mod/wiki/instancecomments.php', array('commentid' => $comment->id, 'pageid' => $page->id, 'action' => 'delete'));
$deleteicon = $OUTPUT->action_icon($urldelete,
new pix_icon('t/delete',
get_string('delete'),
'',
array('class' => 'iconsmall')));
}
if ($candelete || $canedit) {
$cell6 = new html_table_cell($editicon.$deleteicon);
$row3 = new html_table_row();
$row3->cells[] = $cell5;
$row3->cells[] = $cell6;
$t->data[] = $row3;
}
echo html_writer::tag('div', html_writer::table($t), array('class'=>'no-overflow'));
}
}
function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/comments.php', array('pageid' => $this->page->id));
}
protected function create_navbar() {
global $PAGE, $CFG;
parent::create_navbar();
$PAGE->navbar->add(get_string('comments', 'wiki'));
}
}
/**
* Class that models the behavior of wiki's edit comment
*
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class page_wiki_editcomment extends page_wiki {
private $comment;
private $action;
private $form;
private $format;
function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/comments.php', array('pageid' => $this->page->id));
}
function print_header() {
parent::print_header();
$this->print_pagetitle();
}
function print_content() {
global $PAGE;
require_capability('mod/wiki:editcomment', $this->modcontext, NULL, true, 'noeditcommentpermission', 'wiki');
if ($this->action == 'add') {
$this->add_comment_form();
} else if ($this->action == 'edit') {
$this->edit_comment_form($this->comment);
}
}
function set_action($action, $comment) {
global $CFG;
require_once($CFG->dirroot . '/mod/wiki/comments_form.php');
$this->action = $action;
$this->comment = $comment;
$version = wiki_get_current_version($this->page->id);
$this->format = $version->contentformat;
if ($this->format == 'html') {
$destination = $CFG->wwwroot . '/mod/wiki/instancecomments.php?pageid=' . $this->page->id;
$this->form = new mod_wiki_comments_form($destination);
}
}
protected function create_navbar() {
global $PAGE, $CFG;
$PAGE->navbar->add(get_string('comments', 'wiki'), $CFG->wwwroot . '/mod/wiki/comments.php?pageid=' . $this->page->id);
if ($this->action == 'add') {
$PAGE->navbar->add(get_string('insertcomment', 'wiki'));
} else {
$PAGE->navbar->add(get_string('editcomment', 'wiki'));
}
}
protected function setup_tabs($options = array()) {
parent::setup_tabs(array('linkedwhenactive' => 'comments', 'activetab' => 'comments'));
}
private function add_comment_form() {
global $CFG;
require_once($CFG->dirroot . '/mod/wiki/editors/wiki_editor.php');
$pageid = $this->page->id;
if ($this->format == 'html') {
$com = new stdClass();
$com->action = 'add';
$com->commentoptions = array('trusttext' => true, 'maxfiles' => 0);
$this->form->set_data($com);
$this->form->display();
} else {
wiki_print_editor_wiki($this->page->id, null, $this->format, -1, null, false, null, 'addcomments');
}
}
private function edit_comment_form($com) {
global $CFG;
require_once($CFG->dirroot . '/mod/wiki/comments_form.php');
require_once($CFG->dirroot . '/mod/wiki/editors/wiki_editor.php');
if ($this->format == 'html') {
$com->action = 'edit';
$com->entrycomment_editor['text'] = $com->content;
$com->commentoptions = array('trusttext' => true, 'maxfiles' => 0);
$this->form->set_data($com);
$this->form->display();
} else {
wiki_print_editor_wiki($this->page->id, $com->content, $this->format, -1, null, false, array(), 'editcomments', $com->id);
}
}
}
/**
* Wiki page search page
*
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class page_wiki_search extends page_wiki {
private $search_result;
protected function create_navbar() {
global $PAGE, $CFG;
$PAGE->navbar->add(format_string($this->title));
}
function set_search_string($search, $searchcontent) {
$swid = $this->subwiki->id;
if ($searchcontent) {
$this->search_result = wiki_search_all($swid, $search);
} else {
$this->search_result = wiki_search_title($swid, $search);
}
}
function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/search.php');
}
function print_header() {
global $PAGE;
parent::print_header();
$wiki = $PAGE->activityrecord;
$page = (object)array('title' => $wiki->firstpagetitle);
$this->wikioutput->wiki_print_subwiki_selector($wiki, $this->subwiki, $page, 'search');
}
function print_content() {
global $PAGE;
require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
echo $this->wikioutput->search_result($this->search_result, $this->subwiki);
}
}
/**
*
* Class that models the behavior of wiki's
* create page
*
*/
class page_wiki_create extends page_wiki {
private $format;
private $swid;
private $wid;
private $action;
private $mform;
private $groups;
function print_header() {
$this->set_url();
parent::print_header();
}
function set_url() {
global $PAGE, $CFG;
$params = array();
$params['swid'] = $this->swid;
if ($this->action == 'new') {
$params['action'] = 'new';
$params['wid'] = $this->wid;
if ($this->title != get_string('newpage', 'wiki')) {
$params['title'] = $this->title;
}
} else {
$params['action'] = 'create';
}
$PAGE->set_url(new moodle_url('/mod/wiki/create.php', $params));
}
function set_format($format) {
$this->format = $format;
}
function set_wid($wid) {
$this->wid = $wid;
}
function set_swid($swid) {
$this->swid = $swid;
}
function set_availablegroups($group) {
$this->groups = $group;
}
function set_action($action) {
global $PAGE;
$this->action = $action;
require_once(__DIR__ . '/create_form.php');
$url = new moodle_url('/mod/wiki/create.php', array('action' => 'create', 'wid' => $PAGE->activityrecord->id, 'group' => $this->gid, 'uid' => $this->uid));
$formats = wiki_get_formats();
$options = array('formats' => $formats, 'defaultformat' => $PAGE->activityrecord->defaultformat, 'forceformat' => $PAGE->activityrecord->forceformat, 'groups' => $this->groups);
if ($this->title != get_string('newpage', 'wiki')) {
$options['disable_pagetitle'] = true;
}
$this->mform = new mod_wiki_create_form($url->out(false), $options);
}
protected function create_navbar() {
global $PAGE;
// navigation_node::get_content formats this before printing.
$PAGE->navbar->add($this->title);
}
function print_content($pagetitle = '') {
global $PAGE;
// @TODO: Change this to has_capability and show an alternative interface.
require_capability('mod/wiki:createpage', $this->modcontext, NULL, true, 'nocreatepermission', 'wiki');
$data = new stdClass();
if (!empty($pagetitle)) {
$data->pagetitle = $pagetitle;
}
$data->pageformat = $PAGE->activityrecord->defaultformat;
$this->mform->set_data($data);
$this->mform->display();
}
function create_page($pagetitle) {
global $USER, $PAGE;
$data = $this->mform->get_data();
if (isset($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 (!$this->subwiki = wiki_get_subwiki_by_group($this->wid, $groupid, $this->uid)) {
$swid = wiki_add_subwiki($PAGE->activityrecord->id, $groupid, $this->uid);
$this->subwiki = wiki_get_subwiki($swid);
}
}
if ($data) {
$this->set_title($data->pagetitle);
$id = wiki_create_page($this->subwiki->id, $data->pagetitle, $data->pageformat, $USER->id);
} else {
$this->set_title($pagetitle);
$id = wiki_create_page($this->subwiki->id, $pagetitle, $PAGE->activityrecord->defaultformat, $USER->id);
}
$this->page = $id;
return $id;
}
}
class page_wiki_preview extends page_wiki_edit {
private $newcontent;
function print_header() {
global $PAGE, $CFG;
parent::print_header();
}
function print_content() {
global $PAGE;
require_capability('mod/wiki:editpage', $this->modcontext, NULL, true, 'noeditpermission', 'wiki');
$this->print_preview();
}
function set_newcontent($newcontent) {
$this->newcontent = $newcontent;
}
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/wiki/edit.php', $params);
}
protected function setup_tabs($options = array()) {
parent::setup_tabs(array('linkedwhenactive' => 'view', 'activetab' => 'view'));
}
protected function check_locks() {
return true;
}
protected function print_preview() {
global $CFG, $PAGE, $OUTPUT;
$version = wiki_get_current_version($this->page->id);
$format = $version->contentformat;
$content = $version->content;
$url = $CFG->wwwroot . '/mod/wiki/edit.php?pageid=' . $this->page->id;
if (!empty($this->section)) {
$url .= "§ion=" . urlencode($this->section);
}
$params = array(
'attachmentoptions' => page_wiki_edit::$attachmentoptions,
'format' => $this->format,
'version' => $this->versionnumber,
'contextid' => $this->modcontext->id
);
if ($this->format != 'html') {
$params['component'] = 'mod_wiki';
$params['filearea'] = 'attachments';
$params['fileitemid'] = $this->page->id;
}
$form = new mod_wiki_edit_form($url, $params);
$options = array('swid' => $this->page->subwikiid, 'pageid' => $this->page->id, 'pretty_print' => true);
if ($data = $form->get_data()) {
if (isset($data->newcontent)) {
// wiki fromat
$text = $data->newcontent;
} else {
// html format
$text = $data->newcontent_editor['text'];
}
$parseroutput = wiki_parse_content($data->contentformat, $text, $options);
$this->set_newcontent($text);
echo $OUTPUT->notification(get_string('previewwarning', 'wiki'), 'notifyproblem');
$content = format_text($parseroutput['parsed_text'], FORMAT_HTML, array('overflowdiv'=>true, 'filter'=>false));
echo $OUTPUT->box($content, 'generalbox wiki_previewbox');
$content = $this->newcontent;
}
$this->print_edit($content);
}
}
/**
*
* Class that models the behavior of wiki's
* view differences
*
*/
class page_wiki_diff extends page_wiki {
private $compare;
private $comparewith;
function print_header() {
global $OUTPUT;
parent::print_header();
$this->print_pagetitle();
$vstring = new stdClass();
$vstring->old = $this->compare;
$vstring->new = $this->comparewith;
echo html_writer::tag('div', get_string('comparewith', 'wiki', $vstring), array('class' => 'wiki_headingtitle'));
}
/**
* Print the diff view
*/
function print_content() {
global $PAGE;
require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
$this->print_diff_content();
}
function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/diff.php', array('pageid' => $this->page->id, 'comparewith' => $this->comparewith, 'compare' => $this->compare));
}
function set_comparison($compare, $comparewith) {
$this->compare = $compare;
$this->comparewith = $comparewith;
}
protected function create_navbar() {
global $PAGE, $CFG;
parent::create_navbar();
$PAGE->navbar->add(get_string('history', 'wiki'), $CFG->wwwroot . '/mod/wiki/history.php?pageid=' . $this->page->id);
$PAGE->navbar->add(get_string('diff', 'wiki'));
}
protected function setup_tabs($options = array()) {
parent::setup_tabs(array('linkedwhenactive' => 'history', 'activetab' => 'history'));
}
/**
* Given two versions of a page, prints a page displaying the differences between them.
*
* @global object $CFG
* @global object $OUTPUT
* @global object $PAGE
*/
private function print_diff_content() {
global $CFG, $OUTPUT, $PAGE;
$pageid = $this->page->id;
$total = wiki_count_wiki_page_versions($pageid) - 1;
$oldversion = wiki_get_wiki_page_version($pageid, $this->compare);
$newversion = wiki_get_wiki_page_version($pageid, $this->comparewith);
if ($oldversion && $newversion) {
$oldtext = format_text(file_rewrite_pluginfile_urls($oldversion->content, 'pluginfile.php', $this->modcontext->id, 'mod_wiki', 'attachments', $this->subwiki->id));
$newtext = format_text(file_rewrite_pluginfile_urls($newversion->content, 'pluginfile.php', $this->modcontext->id, 'mod_wiki', 'attachments', $this->subwiki->id));
list($diff1, $diff2) = ouwiki_diff_html($oldtext, $newtext);
$oldversion->diff = $diff1;
$oldversion->user = wiki_get_user_info($oldversion->userid);
$newversion->diff = $diff2;
$newversion->user = wiki_get_user_info($newversion->userid);
echo $this->wikioutput->diff($pageid, $oldversion, $newversion, array('total' => $total));
} else {
print_error('versionerror', 'wiki');
}
}
}
/**
*
* Class that models the behavior of wiki's history page
*
*/
class page_wiki_history extends page_wiki {
/**
* @var int $paging current page
*/
private $paging;
/**
* @var int @rowsperpage Items per page
*/
private $rowsperpage = 10;
/**
* @var int $allversion if $allversion != 0, all versions will be printed in a signle table
*/
private $allversion;
function __construct($wiki, $subwiki, $cm) {
global $PAGE;
parent::__construct($wiki, $subwiki, $cm);
$PAGE->requires->js_init_call('M.mod_wiki.history', null, true);
}
function print_header() {
parent::print_header();
$this->print_pagetitle();
}
function print_pagetitle() {
global $OUTPUT;
$html = '';
$html .= $OUTPUT->container_start('wiki_headingtitle');
$html .= $OUTPUT->heading_with_help(format_string($this->title), 'history', 'wiki', '', '', 3);
$html .= $OUTPUT->container_end();
echo $html;
}
function print_content() {
global $PAGE;
require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
$this->print_history_content();
}
function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/history.php', array('pageid' => $this->page->id));
}
function set_paging($paging) {
$this->paging = $paging;
}
function set_allversion($allversion) {
$this->allversion = $allversion;
}
protected function create_navbar() {
global $PAGE, $CFG;
parent::create_navbar();
$PAGE->navbar->add(get_string('history', 'wiki'));
}
/**
* Prints the history for a given wiki page
*
* @global object $CFG
* @global object $OUTPUT
* @global object $PAGE
*/
private function print_history_content() {
global $CFG, $OUTPUT, $PAGE;
$pageid = $this->page->id;
$offset = $this->paging * $this->rowsperpage;
// vcount is the latest version
$vcount = wiki_count_wiki_page_versions($pageid) - 1;
if ($this->allversion) {
$versions = wiki_get_wiki_page_versions($pageid, 0, $vcount);
} else {
$versions = wiki_get_wiki_page_versions($pageid, $offset, $this->rowsperpage);
}
// We don't want version 0 to be displayed
// version 0 is blank page
if (end($versions)->version == 0) {
array_pop($versions);
}
$contents = array();
$version0page = wiki_get_wiki_page_version($this->page->id, 0);
$creator = wiki_get_user_info($version0page->userid);
$a = new StdClass;
$a->date = userdate($this->page->timecreated, get_string('strftimedaydatetime', 'langconfig'));
$a->username = fullname($creator);
echo html_writer::tag ('div', get_string('createddate', 'wiki', $a), array('class' => 'wiki_headingtime'));
if ($vcount > 0) {
/// If there is only one version, we don't need radios nor forms
if (count($versions) == 1) {
$row = array_shift($versions);
$username = wiki_get_user_info($row->userid);
$picture = $OUTPUT->user_picture($username);
$date = userdate($row->timecreated, get_string('strftimedate', 'langconfig'));
$time = userdate($row->timecreated, get_string('strftimetime', 'langconfig'));
$versionid = wiki_get_version($row->id);
$versionlink = new moodle_url('/mod/wiki/viewversion.php', array('pageid' => $pageid, 'versionid' => $versionid->id));
$userlink = new moodle_url('/user/view.php', array('id' => $username->id, 'course' => $this->cm->course));
$contents[] = array('', html_writer::link($versionlink->out(false), $row->version), $picture . html_writer::link($userlink->out(false), fullname($username)), $time, $OUTPUT->container($date, 'wiki_histdate'));
$table = new html_table();
$table->head = array('', get_string('version'), get_string('user'), get_string('modified'), '');
$table->data = $contents;
echo html_writer::table($table);
} else {
$checked = $vcount - $offset;
$rowclass = array();
foreach ($versions as $version) {
$user = wiki_get_user_info($version->userid);
$picture = $OUTPUT->user_picture($user, array('popup' => true));
$date = userdate($version->timecreated, get_string('strftimedate'));
$rowclass[] = 'wiki_histnewdate';
$time = userdate($version->timecreated, get_string('strftimetime', 'langconfig'));
$versionid = wiki_get_version($version->id);
if ($versionid) {
$url = new moodle_url('/mod/wiki/viewversion.php', array('pageid' => $pageid, 'versionid' => $versionid->id));
$viewlink = html_writer::link($url->out(false), $version->version);
} else {
$viewlink = $version->version;
}
$userlink = new moodle_url('/user/view.php', array('id' => $version->userid, 'course' => $this->cm->course));
$contents[] = array($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'));
}
$table = new html_table();
$icon = $OUTPUT->help_icon('diff', 'wiki');
$table->head = array(get_string('diff', 'wiki') . $icon, get_string('version'), get_string('user'), get_string('modified'), '');
$table->data = $contents;
$table->attributes['class'] = 'table generaltable';
$table->rowclasses = $rowclass;
// Print the form.
echo html_writer::start_tag('form', array('action'=>new moodle_url('/mod/wiki/diff.php'), 'method'=>'get', 'id'=>'diff'));
echo html_writer::tag('div', html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'pageid', 'value'=>$pageid)));
echo html_writer::table($table);
echo html_writer::start_tag('div');
echo html_writer::empty_tag('input', array('type'=>'submit', 'class'=>'wiki_form-button btn btn-secondary', 'value'=>get_string('comparesel', 'wiki')));
echo html_writer::end_tag('div');
echo html_writer::end_tag('form');
}
} else {
print_string('nohistory', 'wiki');
}
if (!$this->allversion) {
//$pagingbar = moodle_paging_bar::make($vcount, $this->paging, $this->rowsperpage, $CFG->wwwroot.'/mod/wiki/history.php?pageid='.$pageid.'&');
// $pagingbar->pagevar = $pagevar;
echo $OUTPUT->paging_bar($vcount, $this->paging, $this->rowsperpage, $CFG->wwwroot . '/mod/wiki/history.php?pageid=' . $pageid . '&');
//print_paging_bar($vcount, $paging, $rowsperpage,$CFG->wwwroot.'/mod/wiki/history.php?pageid='.$pageid.'&','paging');
} else {
$link = new moodle_url('/mod/wiki/history.php', array('pageid' => $pageid));
$OUTPUT->container(html_writer::link($link->out(false), get_string('viewperpage', 'wiki', $this->rowsperpage)));
}
if ($vcount > $this->rowsperpage && !$this->allversion) {
$link = new moodle_url('/mod/wiki/history.php', array('pageid' => $pageid, 'allversion' => 1));
$OUTPUT->container(html_writer::link($link->out(false), get_string('viewallhistory', 'wiki')));
}
}
/**
* Given an array of values, creates a group of radio buttons to be part of a form
*
* @param array $options An array of value-label pairs for the radio group (values as keys).
* @param string $name Name of the radiogroup (unique in the form).
* @param string $onclick Function to be executed when the radios are clicked.
* @param string $checked The value that is already checked.
* @param bool $return If true, return the HTML as a string, otherwise print it.
*
* @return mixed If $return is false, returns nothing, otherwise returns a string of HTML.
*/
private function choose_from_radio($options, $name, $onclick = '', $checked = '', $return = false) {
static $idcounter = 0;
if (!$name) {
$name = 'unnamed';
}
$output = '\n";
if (!empty($options)) {
$currentradio = 0;
foreach ($options as $value => $label) {
$htmlid = 'auto-rb' . sprintf('%04d', ++$idcounter);
$output .= ' ";
$output .= '' . $value . '' . "\n";
} else {
$output .= ' /> ' . "\n";
}
$currentradio = ($currentradio + 1) % 2;
}
}
$output .= '' . "\n";
if ($return) {
return $output;
} else {
echo $output;
}
}
}
/**
* Class that models the behavior of wiki's map page
*
*/
class page_wiki_map extends page_wiki {
/**
* @var int wiki view option
*/
private $view;
function print_header() {
parent::print_header();
$this->print_pagetitle();
}
function print_content() {
global $CFG, $PAGE;
require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
if ($this->view > 0) {
//echo '';
}
switch ($this->view) {
case 1:
echo $this->wikioutput->menu_map($this->page->id, $this->view);
$this->print_contributions_content();
break;
case 2:
echo $this->wikioutput->menu_map($this->page->id, $this->view);
$this->print_navigation_content();
break;
case 3:
echo $this->wikioutput->menu_map($this->page->id, $this->view);
$this->print_orphaned_content();
break;
case 4:
echo $this->wikioutput->menu_map($this->page->id, $this->view);
$this->print_index_content();
break;
case 6:
echo $this->wikioutput->menu_map($this->page->id, $this->view);
$this->print_updated_content();
break;
case 5:
default:
echo $this->wikioutput->menu_map($this->page->id, $this->view);
$this->print_page_list_content();
}
}
function set_view($option) {
$this->view = $option;
}
function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/map.php', array('pageid' => $this->page->id));
}
protected function create_navbar() {
global $PAGE;
parent::create_navbar();
$PAGE->navbar->add(get_string('map', 'wiki'));
}
/**
* Prints the contributions tab content
*
* @uses $OUTPUT, $USER
*
*/
private function print_contributions_content() {
global $CFG, $OUTPUT, $USER;
$page = $this->page;
if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
$fresh = wiki_refresh_cachedcontent($page);
$page = $fresh['page'];
}
$swid = $this->subwiki->id;
$table = new html_table();
$table->head = array(get_string('contributions', 'wiki') . $OUTPUT->help_icon('contributions', 'wiki'));
$table->attributes['class'] = 'generalbox table';
$table->data = array();
$table->rowclasses = array();
$lastversions = array();
$pages = array();
$users = array();
if ($contribs = wiki_get_contributions($swid, $USER->id)) {
foreach ($contribs as $contrib) {
if (!array_key_exists($contrib->pageid, $pages)) {
$page = wiki_get_page($contrib->pageid);
$pages[$contrib->pageid] = $page;
} else {
continue;
}
if (!array_key_exists($page->id, $lastversions)) {
$version = wiki_get_last_version($page->id);
$lastversions[$page->id] = $version;
} else {
$version = $lastversions[$page->id];
}
if (!array_key_exists($version->userid, $users)) {
$user = wiki_get_user_info($version->userid);
$users[$version->userid] = $user;
} else {
$user = $users[$version->userid];
}
$link = wiki_parser_link($page->title, array('swid' => $swid));
$class = ($link['new']) ? 'class="wiki_newentry"' : '';
$linkpage = '' . format_string($link['content'], true, array('context' => $this->modcontext)) . '';
$icon = $OUTPUT->user_picture($user, array('popup' => true));
$table->data[] = array("$icon $linkpage");
}
} else {
$table->data[] = array(get_string('nocontribs', 'wiki'));
}
echo html_writer::table($table);
}
/**
* Prints the navigation tab content
*
* @uses $OUTPUT
*
*/
private function print_navigation_content() {
global $OUTPUT;
$page = $this->page;
if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
$fresh = wiki_refresh_cachedcontent($page);
$page = $fresh['page'];
}
$tolinks = wiki_get_linked_to_pages($page->id);
$fromlinks = wiki_get_linked_from_pages($page->id);
$table = new html_table();
$table->attributes['class'] = 'wiki_navigation_from table';
$table->head = array(get_string('navigationfrom', 'wiki') . $OUTPUT->help_icon('navigationfrom', 'wiki') . ':');
$table->data = array();
$table->rowclasses = array();
foreach ($fromlinks as $link) {
$lpage = wiki_get_page($link->frompageid);
$link = new moodle_url('/mod/wiki/view.php', array('pageid' => $lpage->id));
$table->data[] = array(html_writer::link($link->out(false), format_string($lpage->title)));
}
$table_left = $OUTPUT->container(html_writer::table($table), 'col-md-6');
$table = new html_table();
$table->attributes['class'] = 'wiki_navigation_to table';
$table->head = array(get_string('navigationto', 'wiki') . $OUTPUT->help_icon('navigationto', 'wiki') . ':');
$table->data = array();
$table->rowclasses = array();
foreach ($tolinks as $link) {
if ($link->tomissingpage) {
$viewlink = new moodle_url('/mod/wiki/create.php', array('swid' => $page->subwikiid, 'title' => $link->tomissingpage, 'action' => 'new'));
$table->data[] = array(html_writer::link($viewlink->out(false), format_string($link->tomissingpage), array('class' => 'wiki_newentry')));
} else {
$lpage = wiki_get_page($link->topageid);
$viewlink = new moodle_url('/mod/wiki/view.php', array('pageid' => $lpage->id));
$table->data[] = array(html_writer::link($viewlink->out(false), format_string($lpage->title)));
}
}
$table_right = $OUTPUT->container(html_writer::table($table), 'col-md-6');
echo $OUTPUT->container($table_left . $table_right, 'wiki_navigation_container row');
}
/**
* Prints the index page tab content
*
*
*/
private function print_index_content() {
global $OUTPUT;
$page = $this->page;
if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
$fresh = wiki_refresh_cachedcontent($page);
$page = $fresh['page'];
}
// navigation_node get_content calls format string for us
$node = new navigation_node($page->title);
$keys = array();
$tree = array();
$tree = wiki_build_tree($page, $node, $keys);
$table = new html_table();
$table->head = array(get_string('pageindex', 'wiki') . $OUTPUT->help_icon('pageindex', 'wiki'));
$table->attributes['class'] = 'generalbox table';
$table->data[] = array($this->render_navigation_node($tree));
echo html_writer::table($table);
}
/**
* Prints the page list tab content
*
*
*/
private function print_page_list_content() {
global $OUTPUT;
$page = $this->page;
if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
$fresh = wiki_refresh_cachedcontent($page);
$page = $fresh['page'];
}
$pages = wiki_get_page_list($this->subwiki->id);
$stdaux = new stdClass();
$strspecial = get_string('special', 'wiki');
foreach ($pages as $page) {
// We need to format the title here to account for any filtering
$letter = format_string($page->title, true, array('context' => $this->modcontext));
$letter = core_text::substr($letter, 0, 1);
if (preg_match('/^[a-zA-Z]$/', $letter)) {
$letter = core_text::strtoupper($letter);
$stdaux->{$letter}[] = wiki_parser_link($page);
} else {
$stdaux->{$strspecial}[] = wiki_parser_link($page);
}
}
$table = new html_table();
$table->head = array(get_string('pagelist', 'wiki') . $OUTPUT->help_icon('pagelist', 'wiki'));
$table->attributes['class'] = 'generalbox table';
foreach ($stdaux as $key => $elem) {
$table->data[] = array($key);
foreach ($elem as $e) {
$table->data[] = array(html_writer::link($e['url'], format_string($e['content'], true, array('context' => $this->modcontext))));
}
}
echo html_writer::table($table);
}
/**
* Prints the orphaned tab content
*
*
*/
private function print_orphaned_content() {
global $OUTPUT;
$page = $this->page;
if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
$fresh = wiki_refresh_cachedcontent($page);
$page = $fresh['page'];
}
$swid = $this->subwiki->id;
$table = new html_table();
$table->head = array(get_string('orphaned', 'wiki') . $OUTPUT->help_icon('orphaned', 'wiki'));
$table->attributes['class'] = 'generalbox table';
$table->data = array();
$table->rowclasses = array();
if ($orphanedpages = wiki_get_orphaned_pages($swid)) {
foreach ($orphanedpages as $page) {
$link = wiki_parser_link($page->title, array('swid' => $swid));
$class = ($link['new']) ? 'class="wiki_newentry"' : '';
$table->data[] = array('' . format_string($link['content']) . '');
}
} else {
$table->data[] = array(get_string('noorphanedpages', 'wiki'));
}
echo html_writer::table($table);
}
/**
* Prints the updated tab content
*
* @uses $COURSE, $OUTPUT
*
*/
private function print_updated_content() {
global $COURSE, $OUTPUT;
$page = $this->page;
if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
$fresh = wiki_refresh_cachedcontent($page);
$page = $fresh['page'];
}
$swid = $this->subwiki->id;
$table = new html_table();
$table->head = array(get_string('updatedpages', 'wiki') . $OUTPUT->help_icon('updatedpages', 'wiki'));
$table->attributes['class'] = 'generalbox table';
$table->data = array();
$table->rowclasses = array();
if ($pages = wiki_get_updated_pages_by_subwiki($swid)) {
$strdataux = '';
foreach ($pages as $page) {
$user = wiki_get_user_info($page->userid);
$strdata = strftime('%d %b %Y', $page->timemodified);
if ($strdata != $strdataux) {
$table->data[] = array($OUTPUT->heading($strdata, 4));
$strdataux = $strdata;
}
$link = wiki_parser_link($page->title, array('swid' => $swid));
$class = ($link['new']) ? 'class="wiki_newentry"' : '';
$linkpage = '' . format_string($link['content']) . '';
$icon = $OUTPUT->user_picture($user, array($COURSE->id));
$table->data[] = array("$icon $linkpage");
}
} else {
$table->data[] = array(get_string('noupdatedpages', 'wiki'));
}
echo html_writer::table($table);
}
protected function render_navigation_node($items, $attrs = array(), $expansionlimit = null, $depth = 1) {
// exit if empty, we don't want an empty ul element
if (count($items) == 0) {
return '';
}
// array of nested li elements
$lis = array();
foreach ($items as $item) {
if (!$item->display) {
continue;
}
$content = $item->get_content();
$title = $item->get_title();
if ($item->icon instanceof renderable) {
$icon = $this->wikioutput->render($item->icon);
$content = $icon . ' ' . $content; // use CSS for spacing of icons
}
if ($item->helpbutton !== null) {
$content = trim($item->helpbutton) . html_writer::tag('span', $content, array('class' => 'clearhelpbutton'));
}
if ($content === '') {
continue;
}
if ($item->action instanceof action_link) {
//TODO: to be replaced with something else
$link = $item->action;
if ($item->hidden) {
$link->add_class('dimmed');
}
$content = $this->output->render($link);
} else if ($item->action instanceof moodle_url) {
$attributes = array();
if ($title !== '') {
$attributes['title'] = $title;
}
if ($item->hidden) {
$attributes['class'] = 'dimmed_text';
}
$content = html_writer::link($item->action, $content, $attributes);
} else if (is_string($item->action) || empty($item->action)) {
$attributes = array();
if ($title !== '') {
$attributes['title'] = $title;
}
if ($item->hidden) {
$attributes['class'] = 'dimmed_text';
}
$content = html_writer::tag('span', $content, $attributes);
}
// this applies to the li item which contains all child lists too
$liclasses = array($item->get_css_type(), 'depth_' . $depth);
if ($item->has_children() && (!$item->forceopen || $item->collapse)) {
$liclasses[] = 'collapsed';
}
if ($item->isactive === true) {
$liclasses[] = 'current_branch';
}
$liattr = array('class' => join(' ', $liclasses));
// class attribute on the div item which only contains the item content
$divclasses = array('tree_item');
if ((empty($expansionlimit) || $item->type != $expansionlimit) && ($item->children->count() > 0 || ($item->nodetype == navigation_node::NODETYPE_BRANCH && $item->children->count() == 0 && isloggedin()))) {
$divclasses[] = 'branch';
} else {
$divclasses[] = 'leaf';
}
if (!empty($item->classes) && count($item->classes) > 0) {
$divclasses[] = join(' ', $item->classes);
}
$divattr = array('class' => join(' ', $divclasses));
if (!empty($item->id)) {
$divattr['id'] = $item->id;
}
$content = html_writer::tag('p', $content, $divattr) . $this->render_navigation_node($item->children, array(), $expansionlimit, $depth + 1);
if (!empty($item->preceedwithhr) && $item->preceedwithhr === true) {
$content = html_writer::empty_tag('hr') . $content;
}
$content = html_writer::tag('li', $content, $liattr);
$lis[] = $content;
}
if (count($lis)) {
return html_writer::tag('ul', implode("\n", $lis), $attrs);
} else {
return '';
}
}
}
/**
* Class that models the behavior of wiki's restore version page
*
*/
class page_wiki_restoreversion extends page_wiki {
private $version;
function print_header() {
parent::print_header();
$this->print_pagetitle();
}
function print_content() {
global $PAGE;
$wiki = $PAGE->activityrecord;
if (wiki_user_can_edit($this->subwiki, $wiki)) {
$this->print_restoreversion();
} else {
echo get_string('cannoteditpage', 'wiki');
}
}
function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/viewversion.php', array('pageid' => $this->page->id, 'versionid' => $this->version->id));
}
function set_versionid($versionid) {
$this->version = wiki_get_version($versionid);
}
protected function create_navbar() {
global $PAGE, $CFG;
parent::create_navbar();
$PAGE->navbar->add(get_string('restoreversion', 'wiki'));
}
protected function setup_tabs($options = array()) {
parent::setup_tabs(array('linkedwhenactive' => 'history', 'activetab' => 'history'));
}
/**
* Prints the restore version content
*
* @uses $CFG
*
* @param page $page The page whose version will be restored
* @param int $versionid The version to be restored
* @param bool $confirm If false, shows a yes/no confirmation page.
* If true, restores the old version and redirects the user to the 'view' tab.
*/
private function print_restoreversion() {
global $OUTPUT;
$version = wiki_get_version($this->version->id);
$optionsyes = array('confirm'=>1, 'pageid'=>$this->page->id, 'versionid'=>$version->id, 'sesskey'=>sesskey());
$restoreurl = new moodle_url('/mod/wiki/restoreversion.php', $optionsyes);
$return = new moodle_url('/mod/wiki/viewversion.php', array('pageid'=>$this->page->id, 'versionid'=>$version->id));
echo $OUTPUT->container_start();
echo html_writer::tag('div', get_string('restoreconfirm', 'wiki', $version->version));
echo $OUTPUT->container_start(false, 'wiki_restoreform');
echo '';
echo '';
echo $OUTPUT->container_end();
echo $OUTPUT->container_end();
}
}
/**
* Class that models the behavior of wiki's delete comment confirmation page
*
*/
class page_wiki_deletecomment extends page_wiki {
private $commentid;
function print_header() {
parent::print_header();
$this->print_pagetitle();
}
function print_content() {
$this->printconfirmdelete();
}
function set_url() {
global $PAGE;
$PAGE->set_url('/mod/wiki/instancecomments.php', array('pageid' => $this->page->id, 'commentid' => $this->commentid));
}
public function set_action($action, $commentid, $content) {
$this->action = $action;
$this->commentid = $commentid;
$this->content = $content;
}
protected function create_navbar() {
global $PAGE;
parent::create_navbar();
$PAGE->navbar->add(get_string('deletecommentcheck', 'wiki'));
}
protected function setup_tabs($options = array()) {
parent::setup_tabs(array('linkedwhenactive' => 'comments', 'activetab' => 'comments'));
}
/**
* Prints the comment deletion confirmation form
*
* @param page $page The page whose version will be restored
* @param int $versionid The version to be restored
* @param bool $confirm If false, shows a yes/no confirmation page.
* If true, restores the old version and redirects the user to the 'view' tab.
*/
private function printconfirmdelete() {
global $OUTPUT;
$strdeletecheck = get_string('deletecommentcheck', 'wiki');
$strdeletecheckfull = get_string('deletecommentcheckfull', 'wiki');
//ask confirmation
$optionsyes = array('confirm'=>1, 'pageid'=>$this->page->id, 'action'=>'delete', 'commentid'=>$this->commentid, 'sesskey'=>sesskey());
$deleteurl = new moodle_url('/mod/wiki/instancecomments.php', $optionsyes);
$return = new moodle_url('/mod/wiki/comments.php', array('pageid'=>$this->page->id));
echo $OUTPUT->container_start();
echo html_writer::tag('p', $strdeletecheckfull);
echo $OUTPUT->container_start(false, 'wiki_deletecommentform');
echo '';
echo '';
echo $OUTPUT->container_end();
echo $OUTPUT->container_end();
}
}
/**
* Class that models the behavior of wiki's
* save page
*
*/
class page_wiki_save extends page_wiki_edit {
private $newcontent;
function print_header() {
}
function print_content() {
global $PAGE;
$context = context_module::instance($this->cm->id);
require_capability('mod/wiki:editpage', $context, NULL, true, 'noeditpermission', 'wiki');
$this->print_save();
}
function set_newcontent($newcontent) {
$this->newcontent = $newcontent;
}
protected function set_session_url() {
}
protected function print_save() {
global $CFG, $USER, $OUTPUT, $PAGE;
$url = $CFG->wwwroot . '/mod/wiki/edit.php?pageid=' . $this->page->id;
if (!empty($this->section)) {
$url .= "§ion=" . urlencode($this->section);
}
$params = array(
'attachmentoptions' => page_wiki_edit::$attachmentoptions,
'format' => $this->format,
'version' => $this->versionnumber,
'contextid' => $this->modcontext->id
);
if ($this->format != 'html') {
$params['fileitemid'] = $this->page->id;
$params['component'] = 'mod_wiki';
$params['filearea'] = 'attachments';
}
$form = new mod_wiki_edit_form($url, $params);
$save = false;
$data = false;
if ($data = $form->get_data()) {
if ($this->format == 'html') {
$data = file_postupdate_standard_editor($data, 'newcontent', page_wiki_edit::$attachmentoptions, $this->modcontext, 'mod_wiki', 'attachments', $this->subwiki->id);
}
if (isset($this->section)) {
$save = wiki_save_section($this->page, $this->section, $data->newcontent, $USER->id);
} else {
$save = wiki_save_page($this->page, $data->newcontent, $USER->id);
}
}
if ($save && $data) {
core_tag_tag::set_item_tags('mod_wiki', 'wiki_pages', $this->page->id, $this->modcontext, $data->tags);
$message = '' . get_string('saving', 'wiki') . '
';
if (!empty($save['sections'])) {
foreach ($save['sections'] as $s) {
$message .= '' . get_string('repeatedsection', 'wiki', $s) . '
';
}
}
if ($this->versionnumber + 1 != $save['version']) {
$message .= '' . get_string('wrongversionsave', 'wiki') . '
';
}
if (isset($errors) && !empty($errors)) {
foreach ($errors as $e) {
$message .= "" . get_string('filenotuploadederror', 'wiki', $e->get_filename()) . "
";
}
}
//deleting old locks
wiki_delete_locks($this->page->id, $USER->id, $this->section);
$url = new moodle_url('/mod/wiki/view.php', array('pageid' => $this->page->id, 'group' => $this->subwiki->groupid));
redirect($url);
} else {
print_error('savingerror', 'wiki');
}
}
}
/**
* Class that models the behavior of wiki's view an old version of a page
*
*/
class page_wiki_viewversion extends page_wiki {
private $version;
function print_header() {
parent::print_header();
$this->print_pagetitle();
}
function print_content() {
global $PAGE;
require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
$this->print_version_view();
}
function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/viewversion.php', array('pageid' => $this->page->id, 'versionid' => $this->version->id));
}
function set_versionid($versionid) {
$this->version = wiki_get_version($versionid);
}
protected function create_navbar() {
global $PAGE, $CFG;
parent::create_navbar();
$PAGE->navbar->add(get_string('history', 'wiki'), $CFG->wwwroot . '/mod/wiki/history.php?pageid=' . $this->page->id);
$PAGE->navbar->add(get_string('versionnum', 'wiki', $this->version->version));
}
protected function setup_tabs($options = array()) {
parent::setup_tabs(array('linkedwhenactive' => 'history', 'activetab' => 'history', 'inactivetabs' => array('edit')));
}
/**
* Given an old page version, output the version content
*
* @global object $CFG
* @global object $OUTPUT
* @global object $PAGE
*/
private function print_version_view() {
global $CFG, $OUTPUT, $PAGE;
$pageversion = wiki_get_version($this->version->id);
if ($pageversion) {
$restorelink = new moodle_url('/mod/wiki/restoreversion.php', array('pageid' => $this->page->id, 'versionid' => $this->version->id));
echo html_writer::tag('div', get_string('viewversion', 'wiki', $pageversion->version) . '
' .
html_writer::link($restorelink->out(false), '(' . get_string('restorethis', 'wiki') .
')', array('class' => 'wiki_restore')) . ' ', array('class' => 'wiki_headingtitle'));
$userinfo = wiki_get_user_info($pageversion->userid);
$heading = '' . get_string('modified', 'wiki') . ': ' . userdate($pageversion->timecreated, get_string('strftimedatetime', 'langconfig'));
$viewlink = new moodle_url('/user/view.php', array('id' => $userinfo->id));
$heading .= ' ' . get_string('user') . ': ' . html_writer::link($viewlink->out(false), fullname($userinfo));
$heading .= ' → ' . $OUTPUT->user_picture(wiki_get_user_info($pageversion->userid), array('popup' => true)) . '
';
echo $OUTPUT->container($heading, 'wiki_headingtime', 'wiki_modifieduser');
$options = array('swid' => $this->subwiki->id, 'pretty_print' => true, 'pageid' => $this->page->id);
$pageversion->content = file_rewrite_pluginfile_urls($pageversion->content, 'pluginfile.php', $this->modcontext->id, 'mod_wiki', 'attachments', $this->subwiki->id);
$parseroutput = wiki_parse_content($pageversion->contentformat, $pageversion->content, $options);
$content = $OUTPUT->container(format_text($parseroutput['parsed_text'], FORMAT_HTML, array('overflowdiv'=>true)), false, '', '', true);
echo $OUTPUT->box($content, 'generalbox wiki_contentbox');
} else {
print_error('versionerror', 'wiki');
}
}
}
class page_wiki_confirmrestore extends page_wiki_save {
private $version;
function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/viewversion.php', array('pageid' => $this->page->id, 'versionid' => $this->version->id));
}
function print_header() {
$this->set_url();
}
function print_content() {
global $CFG, $PAGE;
$version = wiki_get_version($this->version->id);
$wiki = $PAGE->activityrecord;
if (wiki_user_can_edit($this->subwiki, $wiki) &&
wiki_restore_page($this->page, $version, $this->modcontext)) {
redirect($CFG->wwwroot . '/mod/wiki/view.php?pageid=' . $this->page->id, get_string('restoring', 'wiki', $version->version), 3);
} else {
print_error('restoreerror', 'wiki', $version->version);
}
}
function set_versionid($versionid) {
$this->version = wiki_get_version($versionid);
}
}
class page_wiki_prettyview extends page_wiki {
function __construct($wiki, $subwiki, $cm) {
global $PAGE;
$PAGE->set_pagelayout('embedded');
parent::__construct($wiki, $subwiki, $cm);
}
function print_header() {
global $OUTPUT;
$this->set_url();
echo $OUTPUT->header();
// Print dialog link.
$printtext = get_string('print', 'wiki');
$printlinkatt = array('onclick' => 'window.print();return false;', 'class' => 'printicon');
$printiconlink = html_writer::link('#', $printtext, $printlinkatt);
echo html_writer::tag('div', $printiconlink, array('class' => 'displayprinticon'));
echo html_writer::tag('h1', format_string($this->title), array('id' => 'wiki_printable_title'));
}
function print_content() {
global $PAGE;
require_capability('mod/wiki:viewpage', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
$this->print_pretty_view();
}
function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/prettyview.php', array('pageid' => $this->page->id));
}
private function print_pretty_view() {
$version = wiki_get_current_version($this->page->id);
$content = wiki_parse_content($version->contentformat, $version->content, array('printable' => true, 'swid' => $this->subwiki->id, 'pageid' => $this->page->id, 'pretty_print' => true));
$html = $content['parsed_text'];
$id = $this->subwiki->wikiid;
if ($cm = get_coursemodule_from_instance("wiki", $id)) {
$context = context_module::instance($cm->id);
$html = file_rewrite_pluginfile_urls($html, 'pluginfile.php', $context->id, 'mod_wiki', 'attachments', $this->subwiki->id);
}
echo '';
echo format_text($html, FORMAT_HTML);
echo '
';
}
}
class page_wiki_handlecomments extends page_wiki {
private $action;
private $content;
private $commentid;
private $format;
function print_header() {
$this->set_url();
}
public function print_content() {
global $CFG, $PAGE, $USER;
if ($this->action == 'add') {
require_capability('mod/wiki:editcomment', $this->modcontext);
$this->add_comment($this->content, $this->commentid);
} else if ($this->action == 'edit') {
require_capability('mod/wiki:editcomment', $this->modcontext);
$comment = wiki_get_comment($this->commentid);
$owner = ($comment->userid == $USER->id);
if ($owner) {
$this->add_comment($this->content, $this->commentid);
}
} else if ($this->action == 'delete') {
$comment = wiki_get_comment($this->commentid);
$manage = has_capability('mod/wiki:managecomment', $this->modcontext);
$edit = has_capability('mod/wiki:editcomment', $this->modcontext);
$owner = ($comment->userid == $USER->id);
if ($manage || ($owner && $edit)) {
$this->delete_comment($this->commentid);
redirect($CFG->wwwroot . '/mod/wiki/comments.php?pageid=' . $this->page->id, get_string('deletecomment', 'wiki'), 2);
} else {
print_error('nopermissiontoeditcomment');
}
}
}
public function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/comments.php', array('pageid' => $this->page->id));
}
public function set_action($action, $commentid, $content) {
$this->action = $action;
$this->commentid = $commentid;
$this->content = $content;
$version = wiki_get_current_version($this->page->id);
$format = $version->contentformat;
$this->format = $format;
}
private function add_comment($content, $idcomment) {
global $CFG, $PAGE;
require_once($CFG->dirroot . "/mod/wiki/locallib.php");
$pageid = $this->page->id;
wiki_add_comment($this->modcontext, $pageid, $content, $this->format);
if (!$idcomment) {
redirect($CFG->wwwroot . '/mod/wiki/comments.php?pageid=' . $pageid, get_string('createcomment', 'wiki'), 2);
} else {
$this->delete_comment($idcomment);
redirect($CFG->wwwroot . '/mod/wiki/comments.php?pageid=' . $pageid, get_string('editingcomment', 'wiki'), 2);
}
}
private function delete_comment($commentid) {
global $CFG, $PAGE;
$pageid = $this->page->id;
wiki_delete_comment($commentid, $this->modcontext, $pageid);
}
}
class page_wiki_lock extends page_wiki_edit {
public function print_header() {
$this->set_url();
}
protected function set_url() {
global $PAGE, $CFG;
$params = array('pageid' => $this->page->id);
if ($this->section) {
$params['section'] = $this->section;
}
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/lock.php', $params);
}
protected function set_session_url() {
}
public function print_content() {
global $USER, $PAGE;
require_capability('mod/wiki:editpage', $this->modcontext, NULL, true, 'noeditpermission', 'wiki');
wiki_set_lock($this->page->id, $USER->id, $this->section);
}
public function print_footer() {
}
}
class page_wiki_overridelocks extends page_wiki_edit {
function print_header() {
$this->set_url();
}
function print_content() {
global $CFG, $PAGE;
require_capability('mod/wiki:overridelock', $this->modcontext, NULL, true, 'nooverridelockpermission', 'wiki');
wiki_delete_locks($this->page->id, null, $this->section, true, true);
$args = "pageid=" . $this->page->id;
if (!empty($this->section)) {
$args .= "§ion=" . urlencode($this->section);
}
redirect($CFG->wwwroot . '/mod/wiki/edit.php?' . $args, get_string('overridinglocks', 'wiki'), 2);
}
function set_url() {
global $PAGE, $CFG;
$params = array('pageid' => $this->page->id);
if (!empty($this->section)) {
$params['section'] = $this->section;
}
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/overridelocks.php', $params);
}
protected function set_session_url() {
}
private function print_overridelocks() {
global $CFG;
wiki_delete_locks($this->page->id, null, $this->section, true, true);
$args = "pageid=" . $this->page->id;
if (!empty($this->section)) {
$args .= "§ion=" . urlencode($this->section);
}
redirect($CFG->wwwroot . '/mod/wiki/edit.php?' . $args, get_string('overridinglocks', 'wiki'), 2);
}
}
/**
* This class will let user to delete wiki pages and page versions
*
*/
class page_wiki_admin extends page_wiki {
public $view, $action;
public $listorphan = false;
/**
* Constructor
*
* @global object $PAGE
* @param mixed $wiki instance of wiki
* @param mixed $subwiki instance of subwiki
* @param stdClass $cm course module
*/
function __construct($wiki, $subwiki, $cm) {
global $PAGE;
parent::__construct($wiki, $subwiki, $cm);
$PAGE->requires->js_init_call('M.mod_wiki.deleteversion', null, true);
}
/**
* Prints header for wiki page
*/
function print_header() {
parent::print_header();
$this->print_pagetitle();
}
/**
* This function will display administration view to users with managewiki capability
*/
function print_content() {
//make sure anyone trying to access this page has managewiki capabilities
require_capability('mod/wiki:managewiki', $this->modcontext, NULL, true, 'noviewpagepermission', 'wiki');
//update wiki cache if timedout
$page = $this->page;
if ($page->timerendered + WIKI_REFRESH_CACHE_TIME < time()) {
$fresh = wiki_refresh_cachedcontent($page);
$page = $fresh['page'];
}
//dispaly admin menu
echo $this->wikioutput->menu_admin($this->page->id, $this->view);
//Display appropriate admin view
switch ($this->view) {
case 1: //delete page view
$this->print_delete_content($this->listorphan);
break;
case 2: //delete version view
$this->print_delete_version();
break;
default: //default is delete view
$this->print_delete_content($this->listorphan);
break;
}
}
/**
* Sets admin view option
*
* @param int $view page view id
* @param bool $listorphan is only valid for view 1.
*/
public function set_view($view, $listorphan = true) {
$this->view = $view;
$this->listorphan = $listorphan;
}
/**
* Sets page url
*
* @global object $PAGE
* @global object $CFG
*/
function set_url() {
global $PAGE, $CFG;
$PAGE->set_url($CFG->wwwroot . '/mod/wiki/admin.php', array('pageid' => $this->page->id));
}
/**
* sets navigation bar for the page
*
* @global object $PAGE
*/
protected function create_navbar() {
global $PAGE;
parent::create_navbar();
$PAGE->navbar->add(get_string('admin', 'wiki'));
}
/**
* Show wiki page delete options
*
* @param bool $showorphan
*/
protected function print_delete_content($showorphan = true) {
$contents = array();
$table = new html_table();
$table->head = array('', get_string('pagename','wiki'));
$table->attributes['class'] = 'table generaltable';
$swid = $this->subwiki->id;
if ($showorphan) {
if ($orphanedpages = wiki_get_orphaned_pages($swid)) {
$this->add_page_delete_options($orphanedpages, $swid, $table);
} else {
$table->data[] = array('', get_string('noorphanedpages', 'wiki'));
}
} else {
if ($pages = wiki_get_page_list($swid)) {
$this->add_page_delete_options($pages, $swid, $table);
} else {
$table->data[] = array('', get_string('nopages', 'wiki'));
}
}
///Print the form
echo html_writer::start_tag('form', array(
'action' => new moodle_url('/mod/wiki/admin.php'),
'method' => 'post'));
echo html_writer::tag('div', html_writer::empty_tag('input', array(
'type' => 'hidden',
'name' => 'pageid',
'value' => $this->page->id)));
echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'option', 'value' => $this->view));
echo html_writer::table($table);
echo html_writer::start_tag('div');
if (!$showorphan) {
echo html_writer::empty_tag('input', array(
'type' => 'submit',
'class' => 'wiki_form-button',
'value' => get_string('listorphan', 'wiki'),
'sesskey' => sesskey()));
} else {
echo html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'listall', 'value'=>'1'));
echo html_writer::empty_tag('input', array(
'type' => 'submit',
'class' => 'wiki_form-button btn btn-secondary',
'value' => get_string('listall', 'wiki'),
'sesskey' => sesskey()));
}
echo html_writer::end_tag('div');
echo html_writer::end_tag('form');
}
/**
* helper function for print_delete_content. This will add data to the table.
*
* @global object $OUTPUT
* @param array $pages objects of wiki pages in subwiki
* @param int $swid id of subwiki
* @param object $table reference to the table in which data needs to be added
*/
protected function add_page_delete_options($pages, $swid, &$table) {
global $OUTPUT;
foreach ($pages as $page) {
$link = wiki_parser_link($page->title, array('swid' => $swid));
$class = ($link['new']) ? 'class="wiki_newentry"' : '';
$pagelink = '' . format_string($link['content']) . '';
$urledit = new moodle_url('/mod/wiki/edit.php', array('pageid' => $page->id, 'sesskey' => sesskey()));
$urldelete = new moodle_url('/mod/wiki/admin.php', array(
'pageid' => $this->page->id,
'delete' => $page->id,
'option' => $this->view,
'listall' => !$this->listorphan?'1': '',
'sesskey' => sesskey()));
$editlinks = $OUTPUT->action_icon($urledit, new pix_icon('t/edit', get_string('edit')));
$editlinks .= $OUTPUT->action_icon($urldelete, new pix_icon('t/delete', get_string('delete')));
$table->data[] = array($editlinks, $pagelink);
}
}
/**
* Prints lists of versions which can be deleted
*
* @global core_renderer $OUTPUT
* @global moodle_page $PAGE
*/
private function print_delete_version() {
global $OUTPUT, $PAGE;
$pageid = $this->page->id;
// versioncount is the latest version
$versioncount = wiki_count_wiki_page_versions($pageid) - 1;
$versions = wiki_get_wiki_page_versions($pageid, 0, $versioncount);
// We don't want version 0 to be displayed
// version 0 is blank page
if (end($versions)->version == 0) {
array_pop($versions);
}
$contents = array();
$version0page = wiki_get_wiki_page_version($this->page->id, 0);
$creator = wiki_get_user_info($version0page->userid);
$a = new stdClass();
$a->date = userdate($this->page->timecreated, get_string('strftimedaydatetime', 'langconfig'));
$a->username = fullname($creator);
echo $OUTPUT->heading(get_string('createddate', 'wiki', $a), 4);
if ($versioncount > 0) {
/// If there is only one version, we don't need radios nor forms
if (count($versions) == 1) {
$row = array_shift($versions);
$username = wiki_get_user_info($row->userid);
$picture = $OUTPUT->user_picture($username);
$date = userdate($row->timecreated, get_string('strftimedate', 'langconfig'));
$time = userdate($row->timecreated, get_string('strftimetime', 'langconfig'));
$versionid = wiki_get_version($row->id);
$versionlink = new moodle_url('/mod/wiki/viewversion.php', array('pageid' => $pageid, 'versionid' => $versionid->id));
$userlink = new moodle_url('/user/view.php', array('id' => $username->id, 'course' => $this->cm->course));
$picturelink = $picture . html_writer::link($userlink->out(false), fullname($username));
$historydate = $OUTPUT->container($date, 'wiki_histdate');
$contents[] = array('', html_writer::link($versionlink->out(false), $row->version), $picturelink, $time, $historydate);
//Show current version
$table = new html_table();
$table->head = array('', get_string('version'), get_string('user'), get_string('modified'), '');
$table->data = $contents;
echo html_writer::table($table);
} else {
$lastdate = '';
$rowclass = array();
foreach ($versions as $version) {
$user = wiki_get_user_info($version->userid);
$picture = $OUTPUT->user_picture($user, array('popup' => true));
$date = userdate($version->timecreated, get_string('strftimedate'));
if ($date == $lastdate) {
$date = '';
$rowclass[] = '';
} else {
$lastdate = $date;
$rowclass[] = 'wiki_histnewdate';
}
$time = userdate($version->timecreated, get_string('strftimetime', 'langconfig'));
$versionid = wiki_get_version($version->id);
if ($versionid) {
$url = new moodle_url('/mod/wiki/viewversion.php', array('pageid' => $pageid, 'versionid' => $versionid->id));
$viewlink = html_writer::link($url->out(false), $version->version);
} else {
$viewlink = $version->version;
}
$userlink = new moodle_url('/user/view.php', array('id' => $version->userid, 'course' => $this->cm->course));
$picturelink = $picture . html_writer::link($userlink->out(false), fullname($user));
$historydate = $OUTPUT->container($date, 'wiki_histdate');
$radiofromelement = $this->choose_from_radio(array($version->version => null), 'fromversion', 'M.mod_wiki.deleteversion()', $versioncount, true);
$radiotoelement = $this->choose_from_radio(array($version->version => null), 'toversion', 'M.mod_wiki.deleteversion()', $versioncount, true);
$contents[] = array( $radiofromelement . $radiotoelement, $viewlink, $picturelink, $time, $historydate);
}
$table = new html_table();
$table->head = array(get_string('deleteversions', 'wiki'), get_string('version'), get_string('user'), get_string('modified'), '');
$table->data = $contents;
$table->attributes['class'] = 'table generaltable';
$table->rowclasses = $rowclass;
///Print the form
echo html_writer::start_tag('form', array('action'=>new moodle_url('/mod/wiki/admin.php'), 'method' => 'post'));
echo html_writer::tag('div', html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'pageid', 'value' => $pageid)));
echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'option', 'value' => $this->view));
echo html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey()));
echo html_writer::table($table);
echo html_writer::start_tag('div');
echo html_writer::empty_tag('input', array('type' => 'submit', 'class' => 'wiki_form-button btn btn-secondary', 'value' => get_string('deleteversions', 'wiki')));
echo html_writer::end_tag('div');
echo html_writer::end_tag('form');
}
} else {
print_string('nohistory', 'wiki');
}
}
/**
* Given an array of values, creates a group of radio buttons to be part of a form
* helper function for print_delete_version
*
* @param array $options An array of value-label pairs for the radio group (values as keys).
* @param string $name Name of the radiogroup (unique in the form).
* @param string $onclick Function to be executed when the radios are clicked.
* @param string $checked The value that is already checked.
* @param bool $return If true, return the HTML as a string, otherwise print it.
*
* @return mixed If $return is false, returns nothing, otherwise returns a string of HTML.
*/
private function choose_from_radio($options, $name, $onclick = '', $checked = '', $return = false) {
static $idcounter = 0;
if (!$name) {
$name = 'unnamed';
}
$output = '\n";
if (!empty($options)) {
$currentradio = 0;
foreach ($options as $value => $label) {
$htmlid = 'auto-rb' . sprintf('%04d', ++$idcounter);
$output .= ' ";
$output .= '' . $value . '' . "\n";
} else {
$output .= ' /> ' . "\n";
}
$currentradio = ($currentradio + 1) % 2;
}
}
$output .= '' . "\n";
if ($return) {
return $output;
} else {
echo $output;
}
}
}