CommonITILTask::showSummary PHP Method

    function showSummary(CommonITILObject $item)
    {
        global $DB, $CFG_GLPI;
        if (!static::canView()) {
            return false;
        }
        $tID = $item->fields['id'];
        // Display existing Followups
        $showprivate = $this->canViewPrivates();
        $caneditall = $this->canEditAll();
        $tmp = array($item->getForeignKeyField() => $tID);
        $canadd = $this->can(-1, CREATE, $tmp);
        $canpurge = $this->canPurgeItem();
        $canview = $this->canViewItem();
        $RESTRICT = "";
        if ($this->maybePrivate() && !$showprivate) {
            $RESTRICT = " AND (`is_private` = '0'\n                            OR `users_id` ='" . Session::getLoginUserID() . "'\n                            OR `users_id_tech` ='" . Session::getLoginUserID() . "'\n                            OR `groups_id_tech` IN ('" . implode("','", $_SESSION["glpigroups"]) . "')) ";
        }
        $query = "SELECT `id`, `date`\n                FROM `" . $this->getTable() . "`\n                WHERE `" . $item->getForeignKeyField() . "` = '{$tID}'\n                      {$RESTRICT}\n                ORDER BY `date` DESC";
        $result = $DB->query($query);
        $rand = mt_rand();
        if ($caneditall || $canadd || $canpurge) {
            echo "<div id='viewfollowup" . $tID . "{$rand}'></div>\n";
        }
        if ($canadd) {
            echo "<script type='text/javascript' >\n";
            echo "function viewAddTask" . $item->fields['id'] . "{$rand}() {\n";
            $params = array('type' => $this->getType(), 'parenttype' => $item->getType(), $item->getForeignKeyField() => $item->fields['id'], 'id' => -1);
            Ajax::updateItemJsCode("viewfollowup" . $item->fields['id'] . "{$rand}", $CFG_GLPI["root_doc"] . "/ajax/viewsubitem.php", $params);
            echo Html::jsHide('addbutton' . $item->fields['id'] . "{$rand}");
            echo "};";
            echo "</script>\n";
            if (!in_array($item->fields["status"], array_merge($item->getSolvedStatusArray(), $item->getClosedStatusArray()))) {
                echo "<div id='addbutton" . $item->fields['id'] . "{$rand}' class='center firstbloc'>" . "<a class='vsubmit' href='javascript:viewAddTask" . $item->fields['id'] . "{$rand}();'>";
                echo __('Add a new task') . "</a></div>\n";
            }
        }
        if ($DB->numrows($result) == 0) {
            echo "<table class='tab_cadre_fixe'><tr class='tab_bg_2'><th>" . __('No task found.');
            echo "</th></tr></table>";
        } else {
            echo "<table class='tab_cadre_fixehov'>";
            $header = "<tr><th>&nbsp;</th><th>" . __('Type') . "</th><th>" . __('Date') . "</th>";
            $header .= "<th>" . __('Description') . "</th><th>" . __('Duration') . "</th>";
            $header .= "<th>" . __('Writer') . "</th>";
            if ($this->maybePrivate() && $showprivate) {
                $header .= "<th>" . __('Private') . "</th>";
            }
            $header .= "<th>" . __('Planning') . "</th></tr>\n";
            echo $header;
            while ($data = $DB->fetch_assoc($result)) {
                if ($this->getFromDB($data['id'])) {
                    $options = array('parent' => $item, 'rand' => $rand, 'showprivate' => $showprivate);
                    Plugin::doHook('pre_show_item', array('item' => $this, 'options' => &$options));
                    $this->showInObjectSumnary($item, $rand, $showprivate);
                    Plugin::doHook('post_show_item', array('item' => $this, 'options' => $options));
                }
            }
            echo $header;
            echo "</table>";
        }
    }