/**
* Displays the view page (usually showing a list of discussions).
* @param mod_forumng $forum Forum
* @param int $groupid Group ID
*/
function print_view_page($forum, $groupid)
{
global $PAGE;
$out = mod_forumng_utils::get_renderer();
$forumngid = $forum->get_id();
$baseurl = 'list.php?' . $forum->get_link_params(mod_forumng::PARAM_PLAIN);
$sortorder = optional_param('sort', '', PARAM_ALPHA);
if (!$sortorder) {
$sortlink = optional_param('sortlink', '', PARAM_ALPHA);
if ($sortlink) {
$sortorder = $sortlink;
} else {
$sortorder = 'd';
}
}
$page = optional_param('page', 0, PARAM_INT);
if (!$page) {
$page = 1;
}
$baseurl .= '&page=' . $page;
$sortchar = substr($sortorder, 0, 1);
if (strlen($sortorder) == 2) {
$sortreverse = substr($sortorder, 1, 1) == 'r' ? true : false;
} else {
$sortreverse = false;
}
$baseurl .= '&sort=' . $sortchar;
$baseurl .= $sortreverse ? 'r' : '';
$sort = mod_forumng::get_sort_code($sortchar);
$list = $forum->get_discussion_list($groupid, $forum->can_view_hidden(), $page, $sort, $sortreverse);
$normal = $list->get_normal_discussions();
$fg = new forumngtype_general();
// Remove discussions from list if the forumtype thinks we can't see them or they are not deleted.
foreach ($normal as $key => $value) {
if (!$fg->can_view_discussion($value) || !$value->is_deleted()) {
unset($normal[$key]);
}
}
$pagecount = get_page_count(count($normal), $page);
// Intro.
print $out->render_intro($forum);
print display_paging_bar($baseurl, $pagecount, $page);
if (count($normal) > 0) {
print $out->render_discussion_list_start($forum, $groupid, $baseurl, $sort, $sortreverse);
foreach ($normal as $discussion) {
if ($discussion->is_deleted()) {
print $out->render_discussion_list_item($discussion, $groupid, $discussion == end($normal));
}
}
print $out->render_discussion_list_end($forum, $groupid);
} else {
print '<p class="forumng-nodiscussions">' . get_string('nodeleteddiscussions', 'forumngfeature_deletedposts') . '</p>';
}
print display_paging_bar($baseurl, $pagecount, $page);
}
/**
* Displays the view page (usually showing a list of discussions).
* @param mod_forumng $forum Forum
* @param int $groupid Group ID
*/
public function print_view_page($forum, $groupid)
{
global $SESSION, $PAGE, $USER;
$out = mod_forumng_utils::get_renderer();
$forumngid = $forum->get_id();
$baseurl = 'view.php?' . $forum->get_link_params(mod_forumng::PARAM_PLAIN);
if (isset($SESSION->forumng_discussionlist[$forumngid]) && property_exists($SESSION->forumng_discussionlist[$forumngid], 'groupid') && $SESSION->forumng_discussionlist[$forumngid]->groupid != $groupid) {
unset($SESSION->forumng_discussionlist[$forumngid]->page);
unset($SESSION->forumng_discussionlist[$forumngid]->groupid);
}
// Remember the sort order and page number in session variables
// Unset the page session variable when the sort links are clicked
// or groupid has been changed (using the group dropdown box)
$sortorder = optional_param('sort', '', PARAM_ALPHA);
if (!$sortorder) {
if (isset($SESSION->forumng_discussionlist[$forumngid]->sort)) {
$sortorder = $SESSION->forumng_discussionlist[$forumngid]->sort;
} else {
$sortorder = 'd';
}
} else {
if (optional_param('sortlink', '', PARAM_ALPHA)) {
if (!isset($SESSION->forumng_discussionlist[$forumngid])) {
$SESSION->forumng_discussionlist[$forumngid] = new stdClass();
}
$SESSION->forumng_discussionlist[$forumngid]->sort = $sortorder;
unset($SESSION->forumng_discussionlist[$forumngid]->page);
}
}
$page = optional_param('page', 0, PARAM_INT);
if (!$page) {
if (isset($SESSION->forumng_discussionlist[$forumngid]->page)) {
$page = $SESSION->forumng_discussionlist[$forumngid]->page;
} else {
$page = 1;
}
} else {
if (!isset($SESSION->forumng_discussionlist[$forumngid])) {
$SESSION->forumng_discussionlist[$forumngid] = new stdClass();
}
$SESSION->forumng_discussionlist[$forumngid]->page = $page;
$SESSION->forumng_discussionlist[$forumngid]->groupid = $groupid;
}
$baseurl .= '&page=' . $page;
$sortchar = substr($sortorder, 0, 1);
if (strlen($sortorder) == 2) {
$sortreverse = substr($sortorder, 1, 1) == 'r' ? true : false;
} else {
$sortreverse = false;
}
$baseurl .= '&sort=' . $sortchar;
$baseurl .= $sortreverse ? 'r' : '';
$sort = mod_forumng::get_sort_code($sortchar);
// Get tagid if used.
$tag = optional_param('tag', null, PARAM_ALPHANUM);
$list = $forum->get_discussion_list($groupid, $forum->can_view_hidden(), $page, $sort, $sortreverse, 0, true, $tag);
$sticky = $list->get_sticky_discussions();
$normal = $list->get_normal_discussions();
// Remove discussions from list if the forumtype thinks we can't see
// them
foreach ($sticky as $key => $value) {
if (!$this->can_view_discussion($value)) {
unset($sticky[$key]);
}
}
foreach ($normal as $key => $value) {
if (!$this->can_view_discussion($value)) {
unset($normal[$key]);
}
}
// Intro
print $out->render_intro($forum);
// Flagged posts skip link.
$flaggedposts = $forum->get_flagged_posts();
$flagdiscussions = $forum->get_flagged_discussions();
$flaggeddiscussions = array();
// Need to loop through flagged discussions removing any that can not be viewed by user.
foreach ($flagdiscussions as $discussion) {
if ($discussion->can_view($USER->id)) {
// Add to flagged discussions.
array_push($flaggeddiscussions, $discussion);
}
}
if (count($flaggedposts) + count($flaggeddiscussions) > 0) {
$output = html_writer::start_tag('div', array('class' => 'forumng-flagged-link'));
$output .= $out->render_flagged_list_link($flaggeddiscussions, true);
$output .= $out->render_flagged_list_link($flaggedposts);
$output .= html_writer::end_tag('div');
echo $output;
}
// Draft posts
$drafts = $forum->get_drafts();
if (count($drafts) > 0) {
print $out->render_draft_list_start();
foreach ($drafts as $draft) {
print $out->render_draft_list_item($forum, $draft, $draft == end($drafts));
}
print $out->render_draft_list_end();
}
// Print info about the start and end dates of the forum from the form setting
$stringend = has_capability('mod/forumng:ignorepostlimits', $forum->get_context()) ? 'capable' : '';
$startdate = $forum->get_postingfrom();
$enddate = $forum->get_postinguntil();
// Before start date
if (time() < $startdate) {
$message = get_string('beforestartdate' . $stringend, 'forumng', mod_forumng_utils::display_date($startdate));
print "<div class='forumng-show-dates'>{$message}</div>";
} else {
if (time() < $enddate) {
$message = get_string('beforeenddate' . $stringend, 'forumng', mod_forumng_utils::display_date($enddate));
print "<div class='forumng-show-dates'>{$message}</div>";
}
}
// After end date
if ($enddate && time() >= $enddate) {
$message = get_string('afterenddate' . $stringend, 'forumng', mod_forumng_utils::display_date($enddate));
print "<div class='forumng-show-dates'>{$message}</div>";
}
// Show Alert info.
if ($forum->has_reporting_email()) {
print $out->box(get_string('alert_intro', 'forumng'), 'generalbox', 'forumng-reportingon');
}
// Post button - temporarily disabled when in all-groups mode
print $groupid == null ? '' : $forum->display_post_button($groupid);
if ($taglist = $forum->get_tags_used($groupid)) {
print $out->render_tag_filter($taglist, $forum, $tag);
}
// Provide link to skip sticky discussions.
if (count($sticky) > 0 && count($normal) > 0) {
print $out->render_skip_link(key($normal));
}
print $list->display_paging_bar($baseurl);
if (count($sticky) + count($normal) > 0) {
print $out->render_discussion_list_start($forum, $groupid, $baseurl, $sort, $sortreverse);
foreach ($sticky as $discussion) {
print $out->render_discussion_list_item($discussion, $groupid, count($normal) == 0 && $discussion == end($sticky));
}
if (count($sticky) > 0 && count($normal) > 0) {
print $out->render_discussion_list_divider($forum, $groupid);
}
foreach ($normal as $discussion) {
print $out->render_discussion_list_item($discussion, $groupid, $discussion == end($normal));
}
print $out->render_discussion_list_end($forum, $groupid);
} else {
print '<p class="forumng-nodiscussions">' . $this->get_string($forum, 'nodiscussions') . '</p>';
}
print $list->display_paging_bar($baseurl);
print $forum->display_forumngfeature_discussion_lists($groupid);
// Flagged discussions.
if (count($flaggeddiscussions) > 0) {
print $out->render_flagged_list_start(true);
foreach ($flaggeddiscussions as $discussion) {
print $out->render_flagged_discuss_list_item($discussion, $discussion === end($flaggeddiscussions));
}
print $out->render_flagged_list_end();
}
// Flagged posts.
if (count($flaggedposts) > 0) {
print $out->render_flagged_list_start();
foreach ($flaggedposts as $post) {
print $out->render_flagged_list_item($post, $post === end($flaggedposts));
}
print $out->render_flagged_list_end();
}
// Subscribe and view subscribers links
print $forum->display_subscribe_options();
// Atom/RSS links
print $forum->display_feed_links($groupid);
// display the warning message for invalid archive setting
print $forum->display_archive_warning();
// Display sharing information
print $forum->display_sharing_info();
}
/**
* This function handles all aspects of page processing and then calls
* methods in $selector at the appropriate moments.
* @param post_selector $selector Object that extends this base class
*/
public static function go($selector)
{
global $PAGE, $FULLME, $SESSION;
$id = required_param('id', PARAM_INT);
$cloneid = optional_param('clone', 0, PARAM_INT);
$fromselect = optional_param('fromselect', 0, PARAM_INT);
$all = optional_param('all', '', PARAM_RAW);
$select = optional_param('select', '', PARAM_RAW);
$isform = optional_param('postselectform', 0, PARAM_INT);
$PAGE->set_url($FULLME);
// Get basic objects.
$forum = mod_forumng::get_from_cmid($id, $cloneid);
$forumngid = $forum->get_id();
$params = array_merge($_REQUEST, $forum->get_link_params_array());
if (optional_param('cancel', '', PARAM_RAW)) {
// CALL TYPE 6.
redirect('../../view.php?' . $forum->get_link_params(mod_forumng::PARAM_PLAIN));
}
$cm = $forum->get_course_module();
$course = $forum->get_course();
$groupid = mod_forumng::get_activity_group($cm, true);
// Page name and permissions.
$pagename = $selector->get_page_name();
$buttonname = $selector->get_button_name();
$forum->require_view($groupid);
$selector->require_capability($forum->get_context(), $forum);
if (!($fromselect || $isform || $all)) {
// Either an initial request (non-JS) to display the 'dialog' box,
// or a request to show the list of posts with checkboxes for selection.
// Both types share same navigation.
$out = $forum->init_page(new moodle_url('/mod/forumng/view.php', $forum->get_link_params_array()));
print $out->header();
if (!$select) {
// Show initial dialog.
print $out->box_start();
print html_writer::tag('h2', $buttonname);
print html_writer::start_tag('form', array('action' => $_SERVER['PHP_SELF'], 'method' => 'get', 'id' => 'discsel'));
print html_writer::start_tag('div');
foreach ($params as $param => $paramval) {
print html_writer::empty_tag('input', array('name' => $param, 'type' => 'hidden', 'value' => $paramval));
}
print html_writer::tag('p', get_string('selectordiscall', 'forumng'));
print html_writer::start_tag('div', array('class' => 'forumng-buttons'));
print html_writer::empty_tag('input', array('name' => 'all', 'type' => 'submit', 'value' => get_string('selectoralldisc', 'forumng')));
print html_writer::empty_tag('input', array('name' => 'select', 'type' => 'submit', 'value' => get_string('selectorselecteddisc', 'forumng')));
print html_writer::empty_tag('input', array('name' => 'cancel', 'type' => 'submit', 'value' => get_string('cancel')));
print html_writer::end_tag('div');
print html_writer::end_tag('div');
print html_writer::end_tag('form');
print $out->box_end();
} else {
// Show list of posts to select.
print html_writer::start_tag('div', array('class' => 'forumng-selectintro'));
print html_writer::tag('p', get_string('selectdiscintro', 'forumng'));
print html_writer::end_tag('div');
print html_writer::start_tag('form', array('action' => $_SERVER['PHP_SELF'], 'method' => 'post', 'id' => 'discsel'));
print html_writer::start_tag('div');
print $forum->get_link_params(mod_forumng::PARAM_FORM);
print html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'fromselect', 'value' => '1'));
foreach ($params as $param => $paramval) {
print html_writer::empty_tag('input', array('name' => $param, 'type' => 'hidden', 'value' => $paramval));
}
// Now show discussions, allow for override at type level if following is no good.
if (method_exists($forum->get_type(), 'print_select_page')) {
print $forum->get_type()->print_select_page($forum, $groupid);
} else {
// Use default processing, get view and hack in selectors.
ob_start();
$forum->get_type()->print_view_page($forum, $groupid);
$discussionhtml = ob_get_contents();
ob_end_clean();
// Try and hack into the discussion list - must be xhtml...
$doc = new DOMDocument('1.0', 'utf-8');
@$doc->loadHTML($discussionhtml);
$docnew = new DOMDocument('1.0', 'utf-8');
$xpath = new DOMXPath($doc);
$lists = $xpath->query("//table[contains(concat(' ',normalize-space(@class),' '),' forumng-discussionlist ')]");
// Remove all links.
foreach ($lists as $list) {
$links = $xpath->query("//a|//form", $list);
foreach ($links as $node) {
if ($node->nodeName == 'a') {
// Disable links.
$node->removeAttribute('href');
} else {
// Remove any forms.
$node->parentNode->removeChild($node);
}
}
// Add in discussion select.
$rows = $xpath->query("//table[@class='generaltable forumng-discussionlist']\n //tr[not(@class) or @class!='forumng-divider']", $list);
for ($a = 0, $len = $rows->length; $a < $len; $a++) {
// Add in select options for each row, checking types.
$row = $rows->item($a);
if ($a == 0) {
$newcell = $doc->createElement('th', get_string('selectorselectdisc', 'mod_forumng'));
$newcell->setAttribute('class', 'header');
$newcell->setAttribute('scope', 'col');
$row->appendChild($newcell);
} else {
$id = $row->getAttribute('id');
if (strpos($id, 'discrow') === false) {
continue;
}
// Get discussion id from row id as added by renderer.
$id = str_replace('discrow_', '', $id);
// Check if we include checkbox or not.
$classar = explode(' ', $row->getAttribute('class'));
$includematches = array_intersect($selector->only_discussion_types(), $classar);
$excludematches = array_intersect($selector->exclude_discussion_types(), $classar);
if ((count($selector->only_discussion_types()) == 0 || count($includematches) > 0) && count($excludematches) == 0) {
// OK to include, add checkbox and label.
$select = $doc->createElement('input');
$select->setAttribute('type', 'checkbox');
$select->setAttribute('name', "selectd{$id}");
$select->setAttribute('id', "selectd{$id}");
$label = $doc->createElement('label', get_string('selectorselectdisc', 'mod_forumng'));
$label->setAttribute('for', "selectd{$id}");
$label->setAttribute('class', 'accesshide');
$newcell = $doc->createElement('td');
$newcell->setAttribute('class', 'dselect');
$newcell->appendChild($select);
$newcell->appendChild($label);
$row->appendChild($newcell);
} else {
$newcell = $doc->createElement('td', ' ');
$row->appendChild($newcell);
}
}
}
// Keep only discussion list by moving to new xml doc.
$newnode = $docnew->importNode($list, true);
$docnew->appendChild($newnode);
}
print $docnew->saveHTML();
}
print html_writer::start_tag('div', array('class' => 'forumng-selectoutro'));
print html_writer::empty_tag('input', array('type' => 'submit', 'value' => get_string('confirmselection', 'forumng')));
print html_writer::empty_tag('input', array('type' => 'submit', 'name' => 'cancel', 'value' => get_string('cancel')));
print html_writer::end_tag('div');
print html_writer::end_tag('div');
print html_writer::end_tag('form');
}
// Display footer.
print $out->footer();
} else {
// Call types 3, 4, and 5 use the form (and may include list of postids).
$postids = array();
$selectedids = array();
foreach ($_POST as $field => $value) {
$matches = array();
if (!is_array($value) && (string) $value !== '0' && preg_match('~^selectd([0-9]+)$~', $field, $matches)) {
$selectedids[] = $matches[1];
}
}
if (!empty($selectedids)) {
// Check access.
foreach ($selectedids as $id) {
$discuss = mod_forumng_discussion::get_from_id($id, $cloneid);
if ($forum->get_type()->can_view_discussion($discuss)) {
$postids[] = $id;
}
}
} else {
if (!$all) {
// No slections made.
redirect('../../view.php?' . $forum->get_link_params(mod_forumng::PARAM_PLAIN));
}
// Work out discussion list for this page (e.g. selected All).
$sortorder = optional_param('sort', 'd', PARAM_ALPHA);
if (isset($SESSION->forumng_discussionlist[$forumngid]->sort)) {
$sortorder = $SESSION->forumng_discussionlist[$forumngid]->sort;
}
$page = optional_param('page', 1, PARAM_INT);
if (isset($SESSION->forumng_discussionlist[$forumngid]->page)) {
$page = $SESSION->forumng_discussionlist[$forumngid]->page;
}
$sortchar = substr($sortorder, 0, 1);
if (strlen($sortorder) == 2) {
$sortreverse = substr($sortorder, 1, 1) == 'r' ? true : false;
} else {
$sortreverse = false;
}
$sort = mod_forumng::get_sort_code($sortchar);
$list = $forum->get_discussion_list($groupid, $forum->can_view_hidden(), $page, $sort, $sortreverse);
$discussionsarr = array_merge($list->get_sticky_discussions(), $list->get_normal_discussions());
// Double check ID is valid and user can view.
for ($a = 0; $a < count($discussionsarr); $a++) {
if ($forum->get_type()->can_view_discussion($discussionsarr[$a])) {
$postids[] = $discussionsarr[$a]->get_id();
}
}
}
$out = $forum->init_page(new moodle_url('/mod/forumng/view.php', $forum->get_link_params_array()), $pagename);
// Get form to use.
$mform = $selector->get_form($forum, $all, $postids);
if (!$mform) {
// Some options do not need a confirmation form; in that case,
// just apply the action immediately.
$selector->apply($forum, $all, $postids, null);
exit;
}
// Check cancel.
if ($mform->is_cancelled()) {
redirect('../../view.php?' . $forum->get_link_params(mod_forumng::PARAM_PLAIN));
}
if ($fromform = $mform->get_data()) {
// User submitted form to confirm process, which should now be
// applied by selector.
$selector->apply($forum, $all, $postids, $fromform);
exit;
} else {
print $out->header();
// User requested form either via JavaScript or the other way, and
// either with all messages or the whole discussion.
// Print form.
print $mform->display();
// Print optional content that goes after form.
print $selector->get_content_after_form($forum, $all, $postids, $fromform);
// Display footer.
print $out->footer();
}
}
}
