/**
* Fetches content for the block when displayed
* @global Object $CFG Moodle config object
* @global Object $USER Moodle user object
* @return string Block content
* @version 2012071701
* @since 2010081801
*/
public function get_content()
{
global $CFG, $USER;
// If content has already been created, return that
if ($this->content !== NULL) {
return $this->content;
}
// Get renderer
$output = $this->page->get_renderer('block_moodletxt');
// Get some user details
$user = $this->userDAO->getUserById($USER->id);
// Initialise content class
$this->content = new stdClass();
// Check that specialization has been done
$this->specialization();
$userIsAdmin = false;
$userCanReceive = false;
// Check for admin
$userIsAdmin = has_capability('block/moodletxt:adminsettings', $this->context, $USER->id) || has_capability('block/moodletxt:adminusers', $this->context, $USER->id);
// Check that user has send access
$checkSend = has_capability('block/moodletxt:sendmessages', $this->context, $USER->id);
// Check user is allowed to set their signature/templates up
$checkPrefs = has_capability('block/moodletxt:personalsettings', $this->context, $USER->id);
$unreadFrag = '';
if (has_capability('block/moodletxt:receivemessages', $this->context, $USER->id)) {
$userCanReceive = true;
$unreadMessages = $this->receivedMessagesDAO->countMessagesInUsersInbox($USER->id, true);
if ($unreadMessages > 0) {
$unreadFrag = html_writer::tag('b', '(' . $unreadMessages . ')');
}
}
// Initialise content object
$this->content->items = array();
$this->content->icons = array();
$this->content->footer = '';
// Add links to block dependent on user permissions/access level
if ($checkSend) {
$icon = new moodletxt_icon(moodletxt_icon::$ICON_MESSAGE_COMPOSE, get_string('altcompose', 'block_moodletxt'), array('title' => get_string('imgtitlecompose', 'block_moodletxt')));
array_push($this->content->items, html_writer::tag('a', get_string('blocklinksend', 'block_moodletxt'), array('href' => $CFG->wwwroot . '/blocks/moodletxt/send.php?course=' . $this->page->course->id . '&instance=' . $this->instance->id)));
array_push($this->content->icons, $output->render($icon));
$icon = new moodletxt_icon(moodletxt_icon::$ICON_MESSAGES_SENT, get_string('altsentmessages', 'block_moodletxt'), array('title' => get_string('imgtitlesentmessages', 'block_moodletxt')));
array_push($this->content->items, html_writer::tag('a', get_string('blocklinksent', 'block_moodletxt'), array('href' => $CFG->wwwroot . '/blocks/moodletxt/sent.php?course=' . $this->page->course->id . '&instance=' . $this->instance->id)));
array_push($this->content->icons, $output->render($icon));
$icon = new moodletxt_icon(moodletxt_icon::$ICON_ADDRESSBOOK, get_string('altaddressbook', 'block_moodletxt'), array('title' => get_string('imgtitleaddressbook', 'block_moodletxt')));
array_push($this->content->items, html_writer::tag('a', get_string('blocklinkaddressbook', 'block_moodletxt'), array('href' => $CFG->wwwroot . '/blocks/moodletxt/addressbooks.php?course=' . $this->page->course->id . '&instance=' . $this->instance->id)));
array_push($this->content->icons, $output->render($icon));
}
if ($userCanReceive) {
$icon = new moodletxt_icon(moodletxt_icon::$ICON_MESSAGES_INBOX, get_string('altinbox', 'block_moodletxt'), array('title' => get_string('imgtitleinbox', 'block_moodletxt')));
array_push($this->content->items, html_writer::tag('a', get_string('blocklinkinbox', 'block_moodletxt') . $unreadFrag, array('href' => $CFG->wwwroot . '/blocks/moodletxt/received.php?course=' . $this->page->course->id . '&instance=' . $this->instance->id)));
array_push($this->content->icons, $output->render($icon));
}
if ($checkPrefs) {
$icon = new moodletxt_icon(moodletxt_icon::$ICON_PREFERENCES, get_string('altpreferences', 'block_moodletxt'), array('title' => get_string('imgtitlepreferences', 'block_moodletxt')));
array_push($this->content->items, html_writer::tag('a', get_string('blocklinkpreferences', 'block_moodletxt'), array('href' => $CFG->wwwroot . '/blocks/moodletxt/preferences.php?course=' . $this->page->course->id . '&instance=' . $this->instance->id)));
array_push($this->content->icons, $output->render($icon));
}
if ($userIsAdmin) {
// $icon = new moodletxt_icon(moodletxt_icon::$ICON_STATS, get_string('altstats', 'block_moodletxt'), array('title' => get_string('imgtitlestats', 'block_moodletxt')));
// array_push($this->content->items, html_writer::tag('a', get_string('blocklinkstats', 'block_moodletxt'), array('href' => $CFG->wwwroot . '/blocks/moodletxt/userstats.php?course=' . $this->page->course->id . '&instance=' . $this->instance->id)));
// array_push($this->content->icons, $output->render($icon));
$icon = new moodletxt_icon(moodletxt_icon::$ICON_SETTINGS, get_string('altsettings', 'block_moodletxt'), array('title' => get_string('imgtitlesettings', 'block_moodletxt')));
array_push($this->content->items, html_writer::tag('a', get_string('blocklinksettings', 'block_moodletxt'), array('href' => $CFG->wwwroot . '/admin/settings.php?section=blocksettingmoodletxt')));
array_push($this->content->icons, $output->render($icon));
}
// If some form of content has been added, set up block
if (count($this->content->items) > 0) {
$this->content->footer = get_string('blockfooter', 'block_moodletxt');
// Check whether config info has been previously defined
if (!isset($this->config->title) || empty($this->config->title)) {
// Set up default configuration
$this->title = get_string('blocktitle', 'block_moodletxt');
} else {
// Use user configuration
$this->title = $this->config->title;
}
}
return $this->content;
}
