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renderer.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/>.
defined('MOODLE_INTERNAL') || die();
/**
* ForumNG module renderer class
* @see core_renderer Core renderer (you can call methods in this)
* @package mod
* @subpackage forumng
* @copyright 2011 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_forumng_renderer extends plugin_renderer_base {
/**
* @var int SHORTENED_LENGTH Text shortened length.
*/
const SHORTENED_LENGTH = 200;
/**
* @var int POST_SHORTENED_LENGTH Shortened length of message in the post.
*/
const POST_SHORTENED_LENGTH = 80;
/**
* Displays a discussion (main part of discussion page) with given options.
* @param mod_forumng_discussion $discussion
* @param object $options
* @return string HTML content of discussion
*/
public function render_discussion($discussion, $options) {
if ($discussion->is_auto_locked()) {
$options[mod_forumng_post::OPTION_INCLUDE_LOCK] = true;
}
// Get main bit of discussion.
$content = $discussion->get_root_post()->display_with_children($options);
if ($discussion->is_auto_locked()) {
$content = $this->render_lock_message() . $content;
} else {
// Get lock post, if any.
$lockpost = $discussion->get_lock_post();
if ($lockpost) {
$content = '<div class="forumng-lockmessage">' .
$lockpost->display(true,
array(mod_forumng_post::OPTION_NO_COMMANDS=>true)) .
'</div>' . $content;
}
}
return $content;
}
public function render_lock_message() {
$output = html_writer::start_tag('div', array('class' => 'forumng-auto-lockmessage'));
$output .= html_writer::start_tag('div', array('class' => 'forumng-post forumng-full'));
$output .= html_writer::start_tag('div', array('class' => 'post-deco'));
$output .= html_writer::tag('div', '', array('class' => 'post-deco-bar'));
$output .= html_writer::end_tag('div');
$output .= html_writer::start_tag('div', array('class' => 'forumng-post-outerbox'));
$output .= html_writer::tag('h3', get_string('lockedtitle', 'forumng'), array('class' => 'forumng-subject'));
$output .= html_writer::start_tag('div', array('class' => 'forumng-postmain'));
$output .= html_writer::start_tag('div', array('class' => 'forumng-message'));
$output .= html_writer::tag('p', get_string('autolockedmessage', 'forumng'));
$output .= html_writer::end_tag('div');
$output .= html_writer::tag('div', '', array('class' => 'forumng-postfooter'));
$output .= html_writer::end_tag('div');
$output .= html_writer::tag('div', '', array('class' => 'forumng-endpost'));
$output .= html_writer::end_tag('div');
$output .= html_writer::end_tag('div');
$output .= html_writer::end_tag('div');
return $output;
}
/**
* Opens table tag and displays header row ready for calling
* render_discussion_list_item() a bunch of times.
* @param mod_forumng $forum
* @param int $groupid Group ID for display; may be NO_GROUPS or ALL_GROUPS
* @param string $baseurl Base URL of current page
* @param int $sort mod_forumng::SORT_xx constant for sort order
* @return string HTML code for start of table
*/
public function render_discussion_list_start($forum, $groupid, $baseurl,
$sort, $sortreverse=false) {
global $CFG;
$th = "<th scope='col' class='header c";
// Work out sort headers
$baseurl = preg_replace('~&sort=[a-z]~', '', $baseurl);
$baseurl = preg_replace('~&page=[0-9]+~', '', $baseurl);
$sortdata = array();
$reversechar = ($sortreverse) ? '' : 'r';
foreach (array(mod_forumng::SORT_DATE, mod_forumng::SORT_SUBJECT, mod_forumng::SORT_AUTHOR,
mod_forumng::SORT_POSTS, mod_forumng::SORT_UNREAD,
mod_forumng::SORT_GROUP) as $possiblesort) {
$data = new stdClass;
if ($sort == $possiblesort) {
$data->before = '<a ' . 'id="sortlink_' .
mod_forumng::get_sort_letter($possiblesort) .
'" href="' . s($baseurl) . '&sort=' .
mod_forumng::get_sort_letter($possiblesort) . $reversechar .
'&sortlink=' . mod_forumng::get_sort_letter($possiblesort) .
'" class="forumng-sortlink" '.
'title="'. mod_forumng::get_sort_title($possiblesort) . ' ' .
$this->get_sort_order_text($sort, !$sortreverse) . '">';
$data->after = '</a>' . $this->get_sort_arrow($sort, $sortreverse);
} else {
$data->before = '<a ' . 'id="sortlink_' .
mod_forumng::get_sort_letter($possiblesort) . '" href="' . s($baseurl) .
'&sort=' . mod_forumng::get_sort_letter($possiblesort) .
'&sortlink=' . mod_forumng::get_sort_letter($possiblesort) .
'" title="'. mod_forumng::get_sort_title($possiblesort) . ' ' .
$this->get_sort_order_text($possiblesort) . '" class="forumng-sortlink">';
$data->after = '</a>';
}
$sortdata[$possiblesort] = $data;
}
if ($forum->can_mark_read()) {
$unreadpart = "{$th}1 forumng-unreadcount'>" .
$sortdata[mod_forumng::SORT_UNREAD]->before .
get_string('unread', 'forumng') .
$sortdata[mod_forumng::SORT_UNREAD]->after .
"</th>";
$nextnum = 2;
} else {
$unreadpart = '';
$nextnum = 1;
}
// Check group header
if ($groupid == mod_forumng::ALL_GROUPS) {
$grouppart = "{$th}$nextnum'>" .
$sortdata[mod_forumng::SORT_GROUP]->before .
get_string('group') . $sortdata[mod_forumng::SORT_GROUP]->after .
"</th>";
$nextnum++;
} else {
$grouppart = '';
}
return $this->render_discussion_list_start_table($forum, $th, $nextnum, $sortdata, $unreadpart, $grouppart);
}
/**
* Renders discussion author details in the list item
* @param mod_forumng_discussion $discussion object
* @param int $courseid of the course
* @param int $num Cur cell number
* @return string td html tag containing the discussion last post details
*/
public function render_discussion_list_item_author($discussion, $courseid, $num) {
global $USER;
$posteranon = $discussion->get_poster_anon();
$poster = $discussion->get_poster();
$userimage = $this->user_picture($poster, ['courseid' => $courseid, 'includefullname' => true]);
$defaultimage = html_writer::empty_tag('img',
['src' => $this->image_url('u/f2'), 'alt' => '']);
if ($discussion->get_forum()->is_shared()) {
// Strip course id if shared forum.
$userimage = str_replace('&course=' . $courseid, '', $userimage);
}
$result = "<td class='forumng-startedby cell c$num lastcol'>";
$br = html_writer::empty_tag('br', array());
$moderator = get_string('moderator', 'forumng');
$userpicture = html_writer::tag('div', $userimage,
array('class' => 'forumng-startedbyimage'));
$defaultpicture = html_writer::tag('div', $defaultimage,
array('class' => 'forumng-startedbyimage'));
$moderated = html_writer::tag('div', $moderator,
array('class' => 'forumng-moderator'));
// Post as moderator.
if ($posteranon == mod_forumng::ASMODERATOR_IDENTIFY) {
$startedby = $userpicture . $moderated;
} else if ($posteranon == mod_forumng::ASMODERATOR_ANON) {
if ($discussion->get_forum()->can_post_anonymously()) {
$startedby = $userpicture . $moderated;
} else {
$startedby = $defaultimage . $moderator;
}
} else {
if (mod_forumng_utils::display_discussion_list_item_author_anonymously($discussion->get_forum(), $USER->id)) {
$startedby = $defaultimage . get_string('identityprotected', 'forumng');
} else {
// Post as normal and Moderator can view the post anonymous.
$startedby = $userimage;
}
}
$result .= $startedby . "</td>";
return $result;
}
/**
* renders last post details for a discussion
* @param mod_forumng_discussion $discussion object
* @param int $lastpostanon boolen if last post was anon
* @param int $num value for specifying the position the last post details are rendered to in the item list
* @returns string the td html tag containing the last post details
*/
public function render_discussion_list_item_lastpost($discussion, $lastposteranon, $num) {
global $USER;
$br = html_writer::empty_tag('br', array());
$result = '<td class="cell c' . $num .' forumng-lastpost">';
$lastposter = $discussion->get_last_post_user();
$lastuserlink = $discussion->get_forum()->display_user_link($lastposter);
$timestr = mod_forumng_utils::display_date($discussion->get_time_modified());
$moderator = get_string('moderator', 'forumng');
$lastpostcell = $timestr . $br;
// Post as moderator.
if ($lastposteranon == mod_forumng::ASMODERATOR_IDENTIFY) {
$lastpostcell .= $lastuserlink . $br . $moderator;
} else if ($lastposteranon == mod_forumng::ASMODERATOR_ANON) {
if ($discussion->get_forum()->can_post_anonymously()) {
$lastpostcell .= $lastuserlink . $br . $moderator;
} else {
$lastpostcell .= $moderator;
}
} else {
if (mod_forumng_utils::display_discussion_list_item_author_anonymously($discussion->get_forum(), $USER->id)) {
$lastpostcell .= get_string('identityprotected', 'forumng');
} else {
// Post as normal and Moderator can view the post anonymous.
$lastpostcell .= $lastuserlink;
}
}
$result .= $lastpostcell . "</td>";
return $result;
}
/**
* Displays a short version (suitable for including in discussion list)
* of this discussion including a link to view the discussion and to
* mark it read (if enabled).
* @param mod_forumng_discussion $discussion Discussion
* @param int $groupid Group ID for display; may be NO_GROUPS or ALL_GROUPS
* @param bool $last True if this is the last item in the list
* @return string HTML code to print out for this discussion
*/
public function render_discussion_list_item(mod_forumng_discussion $discussion, $groupid, $last) {
global $CFG, $USER;
$showgroups = $groupid == mod_forumng::ALL_GROUPS;
// Work out CSS classes to use for discussion
$classes = '';
$alts = array();
$icons = array();
if ($discussion->is_deleted()) {
$classes .= ' forumng-deleted';
$alts[] = get_string('alt_discussion_deleted', 'forumng');
$icons[] = array(); // No icon, text will be output on its own
}
if (!$discussion->is_within_time_period()) {
$classes .= ' forumng-timeout';
$icon = 'timeout';
$alts[] = get_string('alt_discussion_timeout', 'forumng');
$icons[] = array('timeout', 'mod_forumng');
}
if ($discussion->is_sticky()) {
$classes .= ' forumng-sticky';
$alts[] = get_string('alt_discussion_sticky', 'forumng');
$icons[] = array('sticky', 'mod_forumng');
}
if ($discussion->is_locked()) {
$classes .= ' forumng-locked';
$alts[] = get_string('alt_discussion_locked', 'forumng');
$icons[] = $this->render_lock_icon();
}
// Classes for Moodle table styles
static $rownum = 0;
$classes .= ' r' . $rownum;
$rownum = 1 - $rownum;
if ($last) {
$classes .= ' lastrow';
}
$courseid = $discussion->get_forum()->get_course_id();
// Start row
$canmarkread = $discussion->get_forum()->can_mark_read();
if ($canmarkread) {
$unreadposts = $discussion->get_num_unread_posts();
$classes = $unreadposts ? $classes . ' forumng-discussion-unread' : $classes;
}
$result = "<tr id='discrow_{$discussion->get_id()}' class='forumng-discussion-short$classes'>";
// Get any tags.
$tags = $discussion->get_tags();
$taglinks = '';
$linkparams = $discussion->get_forum()->get_link_params(mod_forumng::PARAM_HTML);
if ($tags) {
$taglinks = "<div class='forumng_discuss_tags'>Tags: ";
// Unlist them.
$taglinkitems = array();
foreach ($tags as $key => $value) {
$taglinkitems[] = "<a href='view.php?$linkparams&tag=$key'>$value</a>";
}
$taglinks .= implode(', ', $taglinkitems);
$taglinks .= "</div>";
}
// Subject, with icons
$result .= "<td class='forumng-subject cell c0'>";
foreach ($icons as $index => $icon) {
$alt = $alts[$index];
if ($icon) {
$url = $this->image_url($icon[0], $icon[1]);
$result .= "<img src='$url' alt='$alt' title='$alt' /> ";
} else {
$result .= "<span class='accesshide'>$alt:</span> ";
}
}
$result .= $this->render_discussion_list_item_discussion($courseid, $discussion, $taglinks);
$result .= html_writer::end_tag('td');
$num = 1;
// Number of unread posts.
if ($canmarkread) {
$result .= '<td class="cell forumng-unreadcount c1">';
if ($unreadposts) {
$result .=
'<a href="discuss.php?' . $discussion->get_link_params(mod_forumng::PARAM_HTML) .
'#firstunread">' . $unreadposts . '</a>' .
'<form method="post" action="markread.php"><div> '.
$discussion->get_link_params(mod_forumng::PARAM_FORM) .
'<input type="hidden" name="back" value="view" />' .
'<input type="image" title="' .
get_string('markdiscussionread', 'forumng') .
'" src="' . $this->image_url('clear', 'mod_forumng') . '" ' .
'class="iconsmall" alt="' .
get_string('markdiscussionread', 'forumng') .
'" /></div></form>';
}
$result .= '</td>';
$num++;
}
// Group.
if ($showgroups) {
$result .= '<td class="cell c' . $num . '">'
. ($discussion->get_group_name()) . '</td>';
$num++;
}
// Update last post user profile link.
// Last post.
$result .= $this->render_discussion_list_item_lastpost($discussion, $discussion->get_last_post_anon(), $num);
$num++;
// Number of posts.
$result .= '<td class="cell c' . $num . ' forumng-postscol">'
. ($discussion->get_num_posts()) . '</td>';
$num++;
// Author.
$result .= $this->render_discussion_list_item_author($discussion, $courseid, $num);
$result .= '</tr>';
return $result;
}
/**
* Render lock icon for forumng.
*
* @return string[]
*/
protected function render_lock_icon() {
return ['i/unlock', 'moodle'];
}
/**
* Displays divider within discussion list.
* @param mod_forumng $forum
* @param int $groupid Group ID for display; may be NO_GROUPS or ALL_GROUPS
* @return string HTML code for end of table
*/
public function render_discussion_list_divider($forum, $groupid) {
$showgroups = $groupid == mod_forumng::ALL_GROUPS;
$count = 4 + ($showgroups ? 1 : 0) + ($forum->can_mark_read() ? 1 : 0);
return '<tr class="forumng-divider"><td colspan="' .
$count . '"></td></tr>';
}
/**
* Closes table tag after calling render_discussion_list_start() and
* render_discussion_list_end().
* @param mod_forumng $forum
* @param int $groupid Group ID for display; may be NO_GROUPS or ALL_GROUPS
* @return string HTML code for end of table
*/
public function render_discussion_list_end($forum, $groupid) {
return '</tbody></table></nav>';
}
/**
* Opens table tag and displays header row ready for calling
* render_draft_list_item() a bunch of times.
* @return string HTML code for start of table
*/
public function render_draft_list_start() {
$result = '<nav class="forumng-drafts" aria-label="' . get_string('drafts', 'forumng') . '"><div class="forumng-heading"><h3>' .
get_string('drafts', 'forumng') . '</h3>';
$result .= $this->help_icon('drafts', 'forumng') . '</div>';
$th = "<th scope='col' class='header c";
$result .= "<table class='generaltable'><tr>" .
"{$th}0'>" . get_string('draft', 'forumng') .
"</th>{$th}1'>" . get_string('discussion', 'forumng') .
"</th>{$th}2 lastcol'>" . get_string('date') . '</th></tr>';
return $result;
}
protected static function get_post_summary($subject, $message) {
$summary = '<strong>' . format_string($subject) . '</strong> ' . strip_tags($message);
$summary = str_replace('<strong></strong>', '', $summary);
$summary = self::nice_shorten_text($summary);
return $summary;
}
public function render_draft_list_item($forum, $draft, $last) {
global $CFG;
// Classes for Moodle table styles
static $rownum = 0;
$classes = ' r' . $rownum;
$rownum = 1 - $rownum;
if ($last) {
$classes .= ' lastrow';
}
$summary = self::get_post_summary($draft->get_subject(),
$draft->get_formatted_message($forum));
if (trim($summary) === '') {
$summary = get_string('notext', 'forumng');
}
$result = '<tr class="' . $classes . '">';
$link = '<a href="editpost.php?draft=' . $draft->get_id() .
$forum->get_clone_param(mod_forumng::PARAM_PLAIN) . '"' .
($draft->is_reply()
? ' class="forumng-draftreply-' . $draft->get_discussion_id() . '-' .
$draft->get_parent_post_id() . '"'
: '') . '>';
$result .= '<td class="cell c0">'. $link . $summary . '</a> '.
'<a href="deletedraft.php?draft=' . $draft->get_id() .
$forum->get_clone_param(mod_forumng::PARAM_PLAIN) .
'" title="' . get_string('deletedraft', 'forumng') .
'"><img src="' . $this->image_url('t/delete') . '" alt="' .
get_string('deletedraft', 'forumng') . '"/></a></td>';
if ($draft->is_reply()) {
$replytoid = $draft->get_parent_post_id();
$replyto = \mod_forumng_post::get_from_id($replytoid, \mod_forumng::CLONE_DIRECT);
$asmoderator = $replyto->get_asmoderator();
$username = $forum->display_author_name($draft->get_reply_to_user(), $asmoderator);
$result .= '<td class="cell c1">' .
format_string($draft->get_discussion_subject()) . ' ';
$result .= '<span class="forumng-draft-inreplyto">' .
get_string('draft_inreplyto', 'forumng', $username);
$result .= '</span></td>';
} else {
$result .= '<td class="cell c1">' .
get_string('draft_newdiscussion', 'forumng') . '</td>';
}
$result .= '<td class="cell c2 lastcol">' .
mod_forumng_utils::display_date($draft->get_saved()) . '</td>';
$result .= '</tr>';
return $result;
}
/**
* Closes table tag after draft list.
* @return string HTML code for end of table
*/
public function render_draft_list_end() {
return '</table></nav>';
}
/**
* Displays a skip link to the flagged posts box
* @param $flagged array of $flagged posts
* @return string HTML for link and wrapper or '' if no flagged posts
*/
public function render_flagged_list_link($flagged, $discuss = false) {
$numberflagged = count($flagged);
if ($numberflagged == 0) {
return '';
}
if ($discuss) {
$flaggedtxt = get_string('starreddiscussionslink', 'forumng', $numberflagged);
$forumngflagged = 'forumng-flaggeddiscussions';
} else {
$flaggedtxt = get_string('starredpostslink', 'forumng', $numberflagged);
$forumngflagged = 'forumng-flaggedposts';
}
return '<div><a href="#' . $forumngflagged . '">' .
'<img src="' . $this->image_url('star.on', 'mod_forumng'). '" alt="' .
get_string('staron', 'forumng') . '"/> ' . $flaggedtxt. '</a></div>';
}
/**
* Opens table tag and displays header row ready for calling.
* render_flagged_list_item() a bunch of times.
* @return string HTML code for start of table
*/
public function render_flagged_list_start($discuss = false) {
global $CFG;
$result = '';
if ($discuss) {
$flagid = 'forumng-flaggeddiscussions';
$title = get_string('starreddiscussions', 'forumng');
$th0 = get_string('discussion', 'forumng');
$th1 = get_string('startedby', 'forumng');
$th2 = get_string('lastpost', 'forumng');
$helptext = $this->help_icon('starreddiscussions', 'forumng');
} else {
$flagid = 'forumng-flaggedposts';
$title = get_string('starredposts', 'forumng');
$th0 = get_string('post', 'forumng');
$th1 = get_string('discussion', 'forumng');
$th2 = get_string('date');
$helptext = $this->help_icon('starredposts', 'forumng');
}
$result = '<nav class="forumng-flagged" id="' .$flagid .'" aria-label="'. $title .'">
<div class="forumng-heading"><h3>' . $title . '</h3>';
$result .= $helptext . '</div>';
$th = "<th scope='col' class='header c";
$result .= "<table class='generaltable'><tr>" .
"{$th}0'>" . $th0 .
"</th>{$th}1'>" . $th1 .
"</th>{$th}2 lastcol'>" . $th2 . '</th></tr>';
return $result;
}
/**
* Displays a flagged item.
* @param mod_forumng_post $post
* @param bool $last
* @return string HTML code for table row
*/
public function render_flagged_list_item($post, $last) {
global $CFG;
// Classes for Moodle table styles
static $rownum = 0;
$classes = ' r' . $rownum;
$rownum = 1 - $rownum;
if ($last) {
$classes .= ' lastrow';
}
$result = '<tr class="' . $classes . '">';
// Post cell
$result .= '<td class="cell c0">';
// Show flag icon. (Note: I tried to use before this so the
// icon never ends up on a line of its own, but it does not work.)
$result .= ' <form class="forumng-flag" action="flagpost.php" method="post"><div>' .
'<input type="hidden" name="p" value="' . $post->get_id() . '" />'.
'<input type="hidden" name="back" value="view" />'.
'<input type="hidden" name="flag" value="0" />'. $this->render_flag_icon() .
'</div></form> ';
// Get post URL
$discussion = $post->get_discussion();
$link = '<a href="discuss.php?' .
$discussion->get_link_params(mod_forumng::PARAM_HTML) .
'#p' . $post->get_id() . '">';
// Get post summary
$summary = self::get_post_summary($post->get_subject(), $post->get_formatted_message());
$result .= $link . $summary . '</a>';
$postby = $post->get_forum()->display_author_name($post->get_user(), $post->get_asmoderator(), true);
$result .= '<small> ' . get_string('postby', 'forumng', $postby) .
'</small></td>';
// Discussion cell.
$result .= '<td class="cell c1"><a href="discuss.php?' .
$discussion->get_link_params(mod_forumng::PARAM_HTML) . '">' .
format_string($discussion->get_subject()) . '</a></td>';
// Date cell.
$result .= '<td class="cell c2 lastcol">' .
mod_forumng_utils::display_date($post->get_created()) . '</td></tr>';
return $result;
}
/**
* Renders flagged discussion list details
* @param object $discussion
* @param boolean $last
* @return string
*/
public function render_flagged_discuss_list_item($discussion, $last) {
global $CFG, $USER;
$result = '';
// Work out CSS classes to use for discussion.
$classes = '';
$alts = array();
$icons = array();
if ($discussion->is_deleted()) {
$classes .= ' forumng-deleted';
$alts[] = get_string('alt_discussion_deleted', 'forumng');
$icons[] = array(); // No icon, text will be output on its own.
}
// Classes for Moodle table styles.
static $rownum = 0;
$classes .= ' r' . $rownum;
$rownum = 1 - $rownum;
if ($last) {
$classes .= ' lastrow';
}
$courseid = $discussion->get_forum()->get_course_id();
// Start row.
$result = "<tr id='discrow_{$discussion->get_id()}' class='forumng-discussion-short$classes'>";
// Subject, with icons.
$result .= "<td class='forumng-subject cell c0'>";
// Show flag icon.
$result .= ' <form class="forumng-flag" action="feature/flagdiscussion/flag.php" method="post"><div>' .
'<input type="hidden" name="d" value="' . $discussion->get_id() . '" />'.
'<input type="hidden" name="back" value="view" />'.
'<input type="hidden" name="flag" value="0" />'. $this->render_flag_icon() .
'</div></form> ';
$result .= "<a href='discuss.php?" .
$discussion->get_link_params(mod_forumng::PARAM_HTML) . "'>" .
format_string($discussion->get_subject(true), true, $courseid) . "</a>";
$result .= '</td>';
// Author.
$lastposteranon = $discussion->get_last_post_anon();
$result .= $this->render_discussion_list_item_author($discussion, $courseid, 1);
$num = 2;
// Update last post user profile link.
// Last post.
$lastpostcell = $this->render_discussion_list_item_lastpost($discussion, $lastposteranon, $num);
$result .= $lastpostcell . "</tr>";
return $result;
}
/**
* Render flag icon for forumng.
*
* @param {object} $object
* @return string
*/
protected function render_flag_icon() {
$attrs = [
'type' => 'image',
'title' => get_string('clearstar', 'forumng'),
'src' => $this->image_url('star.on', 'mod_forumng'),
'alt' => get_string('staron', 'forumng'),
];
return html_writer::tag('input', '', $attrs);
}
/**
* Closes table tag after flagged post list.
* @return string HTML code for end of table
*/
public function render_flagged_list_end() {
return '</table></nav>';
}
/**
* Display intro section for forum.
* @param mod_forumng $forum Forum
* @return string Intro HTML or '' if none
*/
public function render_introduction($forum) {
global $PAGE;
// Don't output anything if no text, so we don't get styling around
// something blank
$text = $forum->get_introduction();
if (trim($text) === '') {
return '';
}
$context = context_module::instance($forum->get_course_module_id(true));
$options = array('noclean' => true, 'para' => false, 'filter' => true, 'context' => $context, 'overflowdiv' => true);
$intro = file_rewrite_pluginfile_urls($forum->get_introduction(), 'pluginfile.php', $context->id, 'mod_forumng', 'introduction', null);
$intro = self::render_showmore($intro, self::SHORTENED_LENGTH);
$intro = format_text($intro, $forum->get_introduction_format(), $options, null);
// Box styling appears to be consistent with some other modules
$intro = html_writer::tag('div', $intro, array('class' => 'generalbox box',
'id' => 'intro'));
$PAGE->requires->js_call_amd('mod_forumng/toggleshortencontent', 'initial');
return $intro;
}
/**
* Render show more for long content.
*
* @param string $content
* @param int $length
* @return string
* @throws coding_exception
*/
protected static function render_showmore($content, $length = 200) {
if (trim($content) === '') {
return '';
}
list($shortentext, $showmore) = \mod_forumng_utils::format_forum_content($content);
$showmore = $showmore ? $showmore : strlen($shortentext) >= self::SHORTENED_LENGTH;
if ($showmore) {
$shortencontent = html_writer::div('<p>' . self::nice_shorten_text($shortentext, $length) .'</p>' .
html_writer::span(get_string('showmore', 'mod_forumng'), 'toggle_showmore'), 'wrapper_shortencontent');
$fullcontent = html_writer::div('<p>' . $content .'</p>'.
html_writer::span(get_string('showless', 'mod_forumng'), 'toggle_showless'), 'wrapper_fullcontent');
$content = $shortencontent . $fullcontent;
}
return $content;
}
/**
* Top of forum page
*
* @param mod_forumng $forum
* @param int $groupid
* @return string
*/
public function render_forum_header($forum, $groupid) {
return '';
}
/**
* Bottom of forum page (before info).
*
* @param mod_forumng $forum
* @param int $groupid
* @return string
*/
public function render_forum_footer($forum, $groupid) {
$toreturn = '';
// Subscribe and view subscribers links.
$toreturn .= $forum->display_subscribe_options();
// Atom/RSS links.
$toreturn .= $forum->display_feed_links($groupid);
return $toreturn;
}
/**
* Bottom of forum page (above info).
*
* @param mod_forumng $forum
* @param int|null $groupid
* @return string
*/
public function render_forum_footer_above(mod_forumng $forum, ?int $groupid): string {
return '';
}
/**
* Top of discussion page
*
* @param mod_forumng_discussion $discussion
* @return string
*/
public function render_discussion_header($discussion) {
return '';
}
/**
* Bottom of discussion page
*
* @param mod_forumng_discussion $discussion
* @return string
*/
public function render_discussion_footer($discussion) {
$toreturn = '';
// Display the subscription options to this disucssion if available.
$toreturn .= $discussion->display_subscribe_options();
// Atom/RSS links.
$toreturn .= $discussion->display_feed_links();
return $toreturn;
}
/**
* Display post button for forum.
* @param mod_forumng $forum Forum
* @param int $groupid Group
* @return string Post button
*/
public function render_post_button($forum, $groupid) {
return '<div id= "forumng-buttons"><form action="editpost.php" method="get" ' .
'class="forumng-post-button"><div>' .
$forum->get_link_params(mod_forumng::PARAM_FORM) .
($groupid != mod_forumng::NO_GROUPS
? '<input type="hidden" name="group" value="' . (int)$groupid . '" />'
: '') .
'<input type="submit" value="' .
get_string('addanewdiscussion', 'forumng') . '" /></div></form>' .
$this->render_paste_button($forum, $groupid) . '</div>';
}
/**
* Display paste button for forum.
* @param mod_forumng $forum Forum
* @param int $groupid Group
* @return string Paste discussion button
*/
public function render_paste_button($forum, $groupid) {
global $SESSION;
if (isset($SESSION->forumng_copyfrom)) {
$pastlang = (is_array($SESSION->forumng_copyfrom) &&
count($SESSION->forumng_copyfrom) > 1) ?
get_string('pastediscussions', 'forumng') :
get_string('pastediscussion', 'forumng');
$cancel = get_string('cancel');
$paste = '<input type="submit" name="paste" value="' . $pastlang . '" />';
if ((!empty($SESSION->forumng_copyfromforum) &&
$SESSION->forumng_copyfromforum == $forum->get_id()) &&
(isset($SESSION->forumng_copyfromgroup) &&
$SESSION->forumng_copyfromgroup == $groupid)) {
// Don't show paste button if pasting to copy location, change cancel text.
$paste = '';
$cancel = get_string('pastediscussion_cancel', 'forumng');
}
$cmid = required_param('id', PARAM_INT);
return '<form action="feature/copy/paste.php" method="get" '.
'class="forumng-paste-buttons">' .
'<div>' . $paste .
'<input type="submit" name="cancel" value="' . $cancel . '" />' .
'<input type="hidden" name="cmid" value="' . $cmid . '" />' .
$forum->get_clone_param(mod_forumng::PARAM_FORM) .
($groupid != mod_forumng::NO_GROUPS
? '<input type="hidden" name="group" value="' . (int)$groupid . '" />'
: '') . '</div></form>';
} else {
return '';
}
}
/**
* Display 'Switch to simple/standard view' link, except in cases where
* browser is not supported for 'standard' view anyhow.
* @return string HTML for the switch link.
*/
public function render_switch_link() {
global $PAGE;
if ($PAGE->devicetypeinuse == 'legacy') {
return '';
}
$simple = get_user_preferences('forumng_simplemode', '');
if ($simple) {
return '<div class="forumng-switchlinkblock">' .
get_string('switchto_standard_text', 'forumng') .
' <a href="viewmode.php?simple=0">' .
get_string('switchto_standard_link', 'forumng') . '</a></div>';
} else {
return '<div class="accesshide forumng-switchlinkblock">' .
get_string('switchto_simple_text', 'forumng') .
' <a id="forumng-switchlinkid" class="forumng-switchlink" href="viewmode.php' .
'?simple=1">' . get_string('switchto_simple_link', 'forumng') . '</a></div>';
}
}
/**
* Render subscribe button.
* @param mod_forumng $forum
* @param int $subscribed
* @return string
*/
protected function render_subscribe_button($forum, $subscribed) {
$cm = $forum->get_course_module();
$currentgroupid = mod_forumng::get_activity_group($cm, true);
$outsubmit = '';
if ($currentgroupid == mod_forumng::NO_GROUPS) {
$currentgroupid = 0;
}
if ($subscribed == mod_forumng::FULLY_SUBSCRIBED ||
$subscribed == mod_forumng::FULLY_SUBSCRIBED_GROUPMODE) {
$outsubmit .= '<input type="submit" name="submitunsubscribe" value="' .
get_string('unsubscribeshort', 'forumng') . '" />';
} else if ($subscribed == mod_forumng::PARTIALLY_SUBSCRIBED) {
// Print both subscribe button and unsubscribe button.
$outsubmit .= '<input type="submit" name="submitsubscribe" value="' .
get_string('subscribelong', 'forumng') . '" />' .
'<input type="submit" name="submitunsubscribe" value="' .
get_string('unsubscribelong', 'forumng') . '" />';
} else if ($subscribed == mod_forumng::NOT_SUBSCRIBED) {
// Default unsubscribed, print subscribe button.
$outsubmit .= '<input type="submit" name="submitsubscribe" value="' .
get_string('subscribeshort', 'forumng') . '" />';
} else if ($subscribed == mod_forumng::THIS_GROUP_PARTIALLY_SUBSCRIBED) {
$outsubmit .= '<input type="submit" name="submitsubscribe_thisgroup" value="' .
get_string('subscribegroup', 'forumng') . '" />' .
'<input type="submit" name="submitunsubscribe_thisgroup" value="' .
get_string('unsubscribegroup_partial', 'forumng') . '" />'.
'<input type="hidden" name="g" value="' . $currentgroupid . '" />';
} else if ($subscribed == mod_forumng::THIS_GROUP_SUBSCRIBED) {
$outsubmit .= '<input type="submit" name="submitunsubscribe_thisgroup" value="' .
get_string('unsubscribegroup', 'forumng') . '" />'.
'<input type="hidden" name="g" value="' . $currentgroupid . '" />';
} else if ($subscribed == mod_forumng::THIS_GROUP_NOT_SUBSCRIBED) {
$outsubmit .= '<input type="submit" name="submitsubscribe_thisgroup" value="' .
get_string('subscribegroup', 'forumng') . '" />'.
'<input type="hidden" name="g" value="' . $currentgroupid . '" />';
}
return $outsubmit;
}
/**
* Display subscribe options.
* @param mod_forumng $forum Forum
* @param string $text Textual note
* @param int $subscribed
* @param bool $button True if subscribe/unsubscribe button should be shown
* @param bool $viewlink True if 'view subscribers' link should be shown
* @return string HTML code for this area
*/
public function render_subscribe_options($forum, $text, $subscribed,
$button, $viewlink) {
$out = '<div class="forumng-subscribe-options forumng-subscribe-options' . $subscribed .
'"><div class="forumng-subscribe-details">' .
'<h3>' . get_string('subscription', 'forumng') . '</h3>' .
'<p>' . $text . '</p>';
$out .= '</div>';
if ($button) {
$outsubmit = $this->render_subscribe_button($forum, $subscribed);
$out .= '<form action="subscribe.php" method="post"><div>' .
$forum->get_link_params(mod_forumng::PARAM_FORM) .
'<input type="hidden" name="back" value="view" />' .
$outsubmit . '</div></form>';
}
if ($subscribed != mod_forumng::NOT_SUBSCRIBED) {
$out .= $this->render_subscribe_info($forum->get_context());
}
$out .= '</div>';
return $out;
}
/**
* Re-render status.
* @param string $status
* @param bool $subscribe True if user can subscribe, False if user can unsubscribe.
* @return string HTML fragment.
*/
public function render_discussion_subscribe_detail($status, $subscribe) {
return '<div class="forumng-subscribe-details">' .
'<h3>' . get_string('subscription', 'forumng') . '</h3>' .
'<p>' . $status .
'</p></div>';
}
/**
* Display subscribe option for discussions.
* @param mod_forumng_discussion $discussion Forum
* @param string $text Textual note
* @param bool $subscribe True if user can subscribe, False if user can unsubscribe
* @return string HTML code for this area
*/
public function render_discussion_subscribe_option($discussion, $subscribe) {
global $USER;
$info = '';
if ($subscribe) {
$status = get_string('subscribestate_discussionunsubscribed', 'forumng');