/**
* Convenience function for subclasses. Returns HTML code suitable to
* use for a button in this area.
* @param mod_forumng_discussion $discussion
* @param string $name Text of button
* @param string $script Name/path of .php script (relative to mod/forumng)
* @param bool $post If true, makes the button send a POST request
* @param array $options If included, passes these options as well as 'd'
* @param string $extrahtml If specified, adds this HTML at end of (just
* inside) the form
* @param bool $highlight If true, adds a highlight class to the form
* @param bool $selector If true, adds a selector class to the form (indicating that the
* JavaScript post selector should be used)
* @return string HTML code for button
*/
protected static function get_button($discussion, $name, $script, $post = false, $options = array(), $extrahtml = '', $highlight = false, $selector = false)
{
$method = $post ? 'post' : 'get';
$optionshtml = '';
$options['d'] = $discussion->get_id();
if ($discussion->get_forum()->is_shared()) {
$options['clone'] = $discussion->get_forum()->get_course_module_id();
}
if ($post) {
$options['sesskey'] = sesskey();
}
foreach ($options as $key => $value) {
$optionshtml .= '<input type="hidden" name="' . $key . '" value="' . $value . '" />';
}
$class = '';
if ($highlight) {
$class = 'forumng-highlight';
}
if ($selector) {
$class .= ' forumng-selectorbutton';
}
if ($class !== '') {
$class = ' class="' . trim($class) . '"';
}
return "<form method='{$method}' action='{$script}' {$class}><div>" . "{$optionshtml}<input type='submit' value='{$name}' />" . "{$extrahtml}</div></form>";
}
/**
* Merges the contents of this discussion into another discussion.
* @param mod_forumng_discussion $targetdiscussion Target discussion
* @param int $userid User ID (0 = current)
* @param bool $log True to log this action
*/
public function merge_into($targetdiscussion, $userid = 0, $log = true)
{
global $DB;
$transaction = $DB->start_delegated_transaction();
// Delete search data for the source discussion
$this->ismakingsearchchange = true;
$root = $this->get_root_post();
$root->search_update();
$root->search_update_children();
$this->ismakingsearchchange = false;
// Update parent post id of root post
$record = new stdClass();
$record->id = $this->discussionfields->postid;
$record->parentpostid = $targetdiscussion->discussionfields->postid;
$DB->update_record('forumng_posts', $record);
// Move all posts into new discussion
$DB->execute("UPDATE {forumng_posts} SET discussionid = ? WHERE discussionid = ?", array($targetdiscussion->get_id(), $this->get_id()));
// Delete this discussion
$DB->delete_records('forumng_discussions', array('id' => $this->discussionfields->id));
// Attachments are OK because they are still in the same context, postid
// etc (note this would NOT be the case if we allowed merging between
// forums).
if ($this->get_forum()->get_id() != $targetdiscussion->get_forum()->get_id()) {
throw new coding_exception('Cannot merge into different forum');
}
// Merging the discussion into another might cause completion changes
// (if there was a requirement for discussions and this is no longer
// a discussion in its own right).
$this->update_completion(false);
// Update the search data for the target discussion after the merge
$newroot = $targetdiscussion->get_root_post();
$newroot->search_update();
$newroot->search_update_children();
if ($log) {
$this->log('merge discussion', 'd' . $this->get_id() . ' into d' . $targetdiscussion->get_id());
}
$transaction->allow_commit();
$this->uncache();
$targetdiscussion->uncache();
}
/**
* 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');
$submit = 'submitsubscribe';
$button = get_string('subscribediscussion', 'forumng');
} else {
$status = get_string('subscribestate_discussionsubscribed', 'forumng', '<strong>' . $USER->email . '</strong>');
$submit = 'submitunsubscribe';
$button = get_string('unsubscribediscussion', 'forumng');
$info = $this->render_subscribe_info($discussion->get_forum()->get_context());
}
return '<div class="clearfix"></div><div class="forumng-subscribe-options" id="forumng-subscribe-options">' . '<h3>' . get_string('subscription', 'forumng') . '</h3>' . '<p>' . $status . '</p>' . ' <form action="subscribe.php" method="post"><div>' . $discussion->get_link_params(mod_forumng::PARAM_FORM) . '<input type="hidden" name="back" value="discuss" />' . '<input type="submit" name="' . $submit . '" value="' . $button . '" /></div></form></div>' . $info;
}
/**
* 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;
$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[] = array('i/unlock', 'moodle');
}
// 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;
}
$result = "<tr class='forumng-discussion-short{$classes}'>";
// Subject, with icons
$result .= "<td class='forumng-subject cell c0'>";
foreach ($icons as $index => $icon) {
$alt = $alts[$index];
if ($icon) {
$url = $this->pix_url($icon[0], $icon[1]);
$result .= "<img src='{$url}' alt='{$alt}' title='{$alt}' /> ";
} else {
$result .= "<span class='accesshide'>{$alt}:</span> ";
}
}
$result .= "<a href='discuss.php?" . $discussion->get_link_params(mod_forumng::PARAM_HTML) . "'>" . format_string($discussion->get_subject(), true, $courseid) . "</a></td>";
// Author
$poster = $discussion->get_poster();
$picture = $this->user_picture($poster, array('courseid' => $courseid));
if ($discussion->get_forum()->is_shared()) {
// Strip course id if shared forum.
$picture = str_replace('&course=' . $courseid, '', $picture);
}
$result .= "<td class='forumng-startedby cell c1'>" . $picture . $discussion->get_forum()->display_user_link($poster) . "</td>";
$num = 2;
// Group
if ($showgroups) {
$result .= '<td class="cell c' . $num . '">' . $discussion->get_group_name() . '</td>';
$num++;
}
// Number of posts
$result .= '<td class="cell c' . $num . '">' . $discussion->get_num_posts() . '</td>';
$num++;
// Number of unread posts
if ($canmarkread) {
$result .= '<td class="cell forumng-unreadcount c3">';
if ($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->pix_url('t/clear') . '" ' . 'class="iconsmall" alt="' . get_string('markdiscussionread', 'forumng') . '" /></div></form>';
} else {
$result .= $unreadposts;
}
$result .= '</td>';
$num = 4;
}
// Last post
$last = $discussion->get_last_post_user();
$result .= '<td class="cell c' . $num . ' lastcol forumng-lastpost">' . mod_forumng_utils::display_date($discussion->get_time_modified()) . "<br/>" . $discussion->get_forum()->display_user_link($last) . "</td>";
$result .= "</tr>";
return $result;
}
