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<?
# Lifter002: TODO
# Lifter003: TEST
# Lifter007: TODO
# Lifter010: TODO
/**
* class to print out the range tree
*
* This class prints out a html representation of the tree for the "extern modules"
*
* @access public
* @author André Noack <noack@data-quest.de>
* @package
*/
class ExternRangeLectureTree
{
var $tree;
var $config;
var $param;
var $root_id;
var $start_item_id;
/**
* constructor
*
* @access public
*/
function __construct(&$config, $start_item_id, $sem_number = false, $sem_status = false)
{
$this->config = $config;
$query = "SELECT item_id FROM range_tree WHERE studip_object_id = ?";
$statement = DBManager::get()->prepare($query);
$statement->execute([$this->config->range_id]);
$this->root_id = $statement->fetchColumn();
$this->start_item_id = $start_item_id ?: $this->root_id;
$args = NULL;
if ($sem_number !== false) {
$args['sem_number'] = $sem_number;
}
if ($sem_status !== false) {
$args['sem_status'] = $sem_status;
}
$this->param = "range_id={$this->config->range_id}&module=Rangelecturetree&config_id={$this->config->id}&";
$this->tree = TreeAbstract::GetInstance("StudipRangeTree",$args);
}
function showSemRangeTree () {
echo "\n<table" . $this->config->getAttributes("Main", "table") . ">";
echo "\n<tr><td>". $this->getSemPath() . "</td></tr>\n<tr><td>";
$this->showContent($this->start_item_id);
echo "\n</td></tr>";
if ($this->tree->getNumKids($this->start_item_id)) {
echo "\n<tr><td>";
echo $this->showKids($this->start_item_id);
echo "\n</td></tr>";
}
if ($this->config->getAttributes("TreeBackLink", "image")
|| $this->config->getAttributes("TreeBackLink", "linktext")) {
echo "\n<tr><td>";
echo $this->backLink($this->start_item_id) . "\n</td></tr>";
}
echo "\n</table>";
}
function showKids ($item_id) {
$num_kids = $this->tree->getNumKids($item_id);
$kids = $this->tree->getKids($item_id);
$attributes_a = $this->config->getAttributes("TreeKids", "a");
$attributes_font = $this->config->getAttributes("TreeKids", "font");
$attributes_td = $this->config->getAttributes("TreeKids", "td");
echo "\n<table width=\"100%\" border=\"0\"";
echo $this->config->getAttributes("TreeKids", "table") . ">";
for ($i = 0; $i < $num_kids; ++$i){
$num_entries = $this->tree->getNumEntries($kids[$i],true);
echo "<tr>\n<td$attributes_td>";
echo "<a href=\"" .URLHelper::getLink($this->getSelf("{$this->param}start_item_id={$kids[$i]}", false));
echo "\"$attributes_a><font$attributes_font>";
echo htmlReady($this->tree->tree_data[$kids[$i]]['name']);
echo " ($num_entries)";
echo "</font></a>";
echo "</td></tr>\n";
}
echo "</table>\n";
}
function backLink ($item_id) {
if ($item_id != $this->root_id){
echo "<table width=\"100%\" border=\"0\"";
echo $this->config->getAttributes("TreeBackLink", "table") . ">\n";
echo "<tr><td" . $this->config->getAttributes("TreeBackLink", "td") . ">";
if ($image = $this->config->getValue("TreeBackLink", "image")) {
echo "<a href=\"" .URLHelper::getLink($this->getSelf("{$this->param}start_item_id={$this->tree->tree_data[$item_id]['parent_id']}", false)) . "\">";
echo "<img src=\"$image\" border=\"0\"></a> ";
}
if ($link_text = $this->config->getValue("TreeBackLink", "linktext")) {
echo "<a href=\"" .URLHelper::getLink($this->getSelf("{$this->param}start_item_id={$this->tree->tree_data[$item_id]['parent_id']}", false)) . "\">";
echo "<font" . $this->config->getAttributes("TreeBackLink", "font");
echo ">" . htmlReady($link_text) . "</font></a>";
}
echo "</td></tr></table>\n";
}
}
function showContent ($item_id) {
echo "<table" . $this->config->getAttributes("RangeTreeLevelName", "table");
echo ">\n<tr><td" . $this->config->getAttributes("RangeTreeLevelName", "td") . ">";
echo "<font" . $this->config->getAttributes("RangeTreeLevelName", "font") . ">";
$alias_names = $this->config->getValue("RangeTreeLevelName", "aliases");
$range_object = RangeTreeObject::GetInstance($item_id);
if ($range_object->item_data['type'])
$name = $alias_names[$range_object->item_data['type_num'] - 1] . " ";
$name .= $range_object->item_data['name'];
echo htmlReady($name) ."</font></td></tr>\n</table>\n";
if (is_array($range_object->item_data_mapping)) {
echo "</td></tr><tr><td>\n";
echo "<table" . $this->config->getAttributes("RangeTreeLevelContent", "table");
echo ">\n<tr><td" . $this->config->getAttributes("RangeTreeLevelContent", "td") . ">";
$alias_mapping = $this->config->getValue("RangeTreeLevelContent", "mapping");
$aliases = $this->config->getValue("RangeTreeLevelContent", "aliases");
foreach ($alias_mapping as $position => $key) {
if ($range_object->item_data[$key]) {
echo "<font" . $this->config->getAttributes("RangeTreeLevelContent", "fontalias") . ">";
echo htmlReady($aliases[$position]) . " </font>";
echo "<font" . $this->config->getAttributes("RangeTreeLevelContent", "fontdata") . ">";
echo formatLinks($range_object->item_data[$key]) . " </font>";
}
}
echo "</td></tr></table>\n";
}
}
function getSemPath () {
$delimiter = $this->config->getValue("TreePath", "delimiter");
$attributes_a = $this->config->getAttributes("TreePath", "a");
$ret = "<table width=\"100%\"";
$ret .= $this->config->getAttributes("TreePath", "table") . "><tr>\n";
$ret .= "<td". $this->config->getAttributes("TreePath", "td") . ">";
$ret .= "<font". $this->config->getAttributes("TreePath", "td") . ">";
$parents = $this->tree->getParents($this->start_item_id);
$parents_root = $this->tree->getParents($this->root_id);
if (is_array($parents)) {
$parents = array_diff($parents, $parents_root);
while ($parent = array_pop($parents)) {
$ret .= $delimiter;
$ret .= "<a href=\"" . URLHelper::getLink($this->getSelf("{$this->param}start_item_id=".$parent,false));
$ret .= "\"$attributes_a>" . htmlReady($this->tree->tree_data[$parent]["name"]) . "</a>";
}
}
if ($this->start_item_id != $this->root_id)
$ret .= $delimiter;
$ret .= htmlReady($this->tree->tree_data[$this->start_item_id]["name"]);
$ret .= "</font></td></tr></table>\n";
return $ret;
}
function getSelf ($param = "", $with_start_item = true) {
if ($param)
$url = $_SERVER['PHP_SELF'] . (($with_start_item) ? "?start_item_id=" . $this->start_item_id . "&" : "?") . $param ;
else
$url = $_SERVER['PHP_SELF'] . (($with_start_item) ? "?start_item_id=" . $this->start_item_id : "") ;
return $url;
}
}
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