* @copyright 2004 Stud.IP-Project
* @access public
* @package evaluation
* @modulegroup evaluation_modules
*/
class EvaluationTreeShowUser
{
/**
* Reference to the tree structure
*
* @access private
* @var object EvaluationTree $tree
*/
var $tree;
/**
* contains the item with the current html anchor (currently unused)
*
* @access public
* @var string $anchor
*/
var $anchor;
/**
* the item to start with
*
* @access private
* @var string $start_item_id
*/
var $start_item_id;
/**
* constructor
* @access public
* @param string the eval's ID
*/
public function __construct($evalID)
{
$this->tree = TreeAbstract::GetInstance("EvaluationTree", ['evalID' => $evalID,
'load_mode' => EVAL_LOAD_ALL_CHILDREN]);
}
/**
* prints out the tree beginning with a given item
*
* @access public
* @param string ID of the start item, shouldnt be needed.
*/
public function showTree($item_id = "root")
{
$items = [];
if (!is_array($item_id)) {
$items[0] = $item_id;
$this->start_item_id = $item_id;
} else {
$items = $item_id;
}
$num_items = count($items);
for ($j = 0; $j < $num_items; ++$j) {
$this->printLevelOutput($items[$j]);
$this->printItemOutput($items[$j]);
if ($this->tree->hasKids($items[$j])) {
$this->showTree($this->tree->tree_childs[$items[$j]]);
}
}
return;
}
/**
* prints out ... hmm ... the group's level indentation space, and a table start
*
* @access private
* @param string ID of the item (which is an EvaluationGroup) to print the space for.
*/
public function printLevelOutput($group_id)
{
if ($group_id == "root")
return;
$level_output = "";
$parent_id = $group_id;
while ($this->tree->tree_data[$parent_id]['parent_id'] != $this->start_item_id) {
$parent_id = $this->tree->tree_data[$parent_id]['parent_id'];
/* a little space to indent subgroups */
$level_output .=
"
\n";
echo $level_output;
return;
}
/**
* prints out one group
*
* @access private
* @param string ID of the item to print (which is an EvaluationGroup).
*/
public function printItemOutput($group_id)
{
if ($group_id == "root")
return;
$group = &$this->tree->getGroupObject($group_id);
echo "
\n";
echo "
\n";
/* show group headline, if it's not a question group */
if ($group->getChildType() != "EvaluationQuestion") {
/* add space after a top-level group */
$parent = $group->getParentObject();
if ($parent->x_instanceof() == "Evaluation" && $group->getPosition() != 0)
echo "
\n";
$this->printItemDetails($group);
return;
}
/**
* prints out the details for a group
*
* @access private
* @param object EvaluationGroup the group object.
*/
public function printItemDetails($group)
{
$group_id = $group->getObjectID();
$parent_id = $group_id;
while ($this->tree->tree_data[$parent_id]['parent_id'] != $this->start_item_id) {
$parent_id = $this->tree->tree_data[$parent_id]['parent_id'];
/* a little space to indent subgroups */
$level_output = "
\n";
return;
}
/**
* returns html for the content of a group
*
* @access private
* @param object EvaluationGroup the group object.
* @return string
*/
public function getGroupContent($group)
{
$closeTable = NO;
$html = "";
$content = "";
/* get title */
$content .= $group->getChildType() == "EvaluationQuestion" && $group->getTitle()
? "" . formatReady($group->getTitle()) . " \n"
: "";
/* get text */
$content .= $group->getText()
? formatReady($group->getText()) . " \n"
: "";
/* get the content of questions under this group, if any */
foreach ($group->getChildren() as $question) {
if ($question->x_instanceof() == INSTANCEOF_EVALQUESTION) {
if ($question->getPosition() == 0) {
$content .= "\n
\n";
/* -------------------------------------------- */
$numberOfVisibleAnswers = 0;
foreach ($answerArray as $answer)
if (!($answer->isFreetext() && $answer->getText() != ''))
$numberOfVisibleAnswers++;
if ($numberOfVisibleAnswers == 0) {
$html .= "
\n";
$html .=
"
" .
_("Dieser Frage wurden keine Antworten zugeordnet!") .
"
\n";
$html .= "
\n";
}
/* Answers ------------------------------------ */
foreach ($answerArray as $answer) {
if ($answer->x_instanceof() == INSTANCEOF_EVALANSWER) {
$number = $question->isMultipleChoice() ? "[" . $answer->getPosition() . "]" : "";
/* if not a user's answer */
if (!($answer->isFreetext() && $answer->getText() != '')) {
$html .= "
\n";
/* show text input field ---------- */
if ($answer->isFreetext()) {
// not really needed anymore
if ($numberOfVisibleAnswers > 1)
/* show a check/radio-box */
$html .=
"