function display($parent, $depth, $pos, $errorArray)
{
// V2.0
// starting on thesaurus level
if ($parent == 0) {
$elementArray = thesaurus::get_thesaurus_list();
// get thesauri
} else {
$elementArray = thesaurus::get_child($parent);
}
// get children
// entries found
if (is_array($elementArray)) {
$cntElements = count($elementArray);
// start new line
if (!isset($pos)) {
$pos = 0;
}
// set position to 0
$line = new line();
// ****************************************************************
// start array
$lineCnt = 0;
foreach ($elementArray as $id) {
// don't display if
// non descriptor
// or not visible
// if ((thesaurus::is_descriptor($id) or session::get("descriptor"))
// and (thesaurus::is_visible($id) or session::get("visible"))
// )
if (thesaurus::is_visible($id) or session::get("visible")) {
$cntParents = thesaurus::parent_num($id);
$equivArray = thesaurus::get_equiv($id, "BS");
if (is_array($equivArray)) {
$cntEquiv = count($equivArray);
} else {
$cntEquiv = 0;
}
// get count and list of subentries
$childrenArray = thesaurus::get_child($id);
$cntChildren = thesaurus::child_num($id, session::get(descriptor));
// get entry details
$entry = thesaurus::get_descriptor($id);
// ECHO ENTRY
// space in front
$x = 0;
while ($x < $pos - 1) {
$line->insert(grafik::disp("line", "|", 20), 20);
// insert line-grafik
$x++;
}
// search elements in next level enabled
if ($depth > $pos or $depth == -1) {
// display tree grafik
if ($pos > 0) {
if ($lineCnt++ < $cntElements - 1) {
$line->insert(grafik::disp("subtree", "|", 20), 20);
} else {
$line->insert(grafik::disp("subend", "|", 20), 20);
}
// insert sub end icon
}
// display open / close icon if subobjects
if ($cntChildren != 0) {
// subobjects found -> display icon to open / close
if (thesaurus::is_open($id)) {
if ($pos > 0) {
$tempString = form::link("minus", "[+]", "index.php?id={$id}&action=close", "close");
} else {
$tempString = form::link("thesaurus-open", "[+]", "index.php?id={$id}&action=close", "close");
}
} else {
if ($pos > 0) {
$tempString = form::link("plus", "[+]", "index.php?id={$id}&action=open", "open");
} else {
$tempString = form::link("thesaurus", "[T]", "index.php?id={$id}&action=open", "open");
}
}
} else {
$tempString = grafik::disp("space", " ", 20);
}
$line->insert($tempString, 20);
// insert navigation symbols
$tempString = "";
// Display parent and child link icon
if (session::get("show")) {
// display parent arrow
if (thesaurus::is_child_of(session::get("show"), $id) and session::get("show")) {
$line->insert(grafik::arrow("right", "blue", 15), 20);
// display parent arrow
}
// display link-arrow
if (thesaurus::is_parent_of(session::get("show"), $id)) {
$line->insert(grafik::arrow("right", "orange", 15), 20);
}
// display associate links
if (thesaurus::is_assoc_of(session::get("show"), $id)) {
$line->insert(grafik::disp("assoc", "=", 20), 20);
}
}
// entry name
$textLength = strlen($entry[name]) * 15;
$textString = $entry[name];
// set style for selection
$styleString = "";
if (thesaurus::is_equivalent($id)) {
$styleString = "class='bright'";
}
if (thesaurus::is_descriptor($id)) {
$textString = strtoupper($textString);
}
if ($id == session::get("show")) {
$styleString = "class='select'";
} elseif ($cntParents > 1) {
$styleString = "class='multiple'";
}
if (!thesaurus::is_visible($id)) {
$styleString = "class='red'";
}
if (thesaurus::is_deleted($id)) {
$styleString = "class='through'";
}
// draw name with link
if ($pos == 0) {
$tempString .= form::link("", "<b><span {$styleString}>" . $textString . "</span></b>", "index.php?id={$id}&action=show", "name", "", $id);
} else {
$tempString .= form::link("", "<span {$styleString}>" . $textString . "</span>", "index.php?id={$id}&action=show", "name", "", $id);
}
// number of sub-objects
if ($cntChildren) {
$subText = "";
$listCnt = 0;
foreach ($childrenArray as $entry) {
$subText .= thesaurus::get_name($entry) . "<br>";
}
$tempString .= "<span ";
$tempString .= help::show("elementcount", $subText) . ">";
$tempString .= "<i class='small'>";
if ($cntChildren) {
$tempString .= " ({$cntChildren} UB)</i>";
}
$tempString .= "</span>";
}
// number of equiv-objects
if ($cntEquiv) {
$equivText = "";
$listCnt = 0;
foreach ($equivArray as $entry) {
$equivText .= thesaurus::get_name($entry) . "<br>";
}
$tempString .= "<span ";
$tempString .= help::show("equivcount", $equivText) . ">";
$tempString .= "<i class='small'>";
if ($cntEquiv) {
$tempString .= " ({$cntEquiv} BS)</i>";
}
$tempString .= "</span>";
}
// Count of containing elements
// show owner
$ownerID = thesaurus::get_owner($entry[ID]);
$infoText = "ID: " . $id;
$infoText .= "<br>Status: " . thesaurus::get_status_name(thesaurus::get_status($id));
// $infoText .= "<br>Begriffstyp: " . thesaurus::get_entrytype_name(thesaurus::get_entrytype($id));
$infoText .= "<br>Ersteller: " . user::name($ownerID);
$tempString .= " " . form::link("", "?", "", "owner", $infoText);
// Edit Link
$tempString .= form::link("add", "add", "index.php?parent={$id}&action=add", "add");
// Delete Link
if ($cntChildren == 0) {
$javaText = "Wollen Sie " . $entry[name] . " wirklich löschen? Es werden auch alle Links zu diesem Eintrag gelöscht";
$tempString .= form::link("delete", "x", "javascript:get_confirm("{$javaText}","index.php?action=deleteid&id={$id}");", "delete");
}
// Link Link
if (session::get("link") and $id != session::get("link")) {
if (!thesaurus::is_parent_of(session::get("link"), $id) or session::get(linkaction) == "change") {
$linkType = "do" . thesaurus::get_type_name(session::get("linktype"));
$tempString .= form::link($linkType, "L", "index.php?id={$id}&linkaction=linkdo", "{$linkType}");
}
}
$line->insert($tempString);
// Insert text in line
$tempString = "";
// recursive display subtree
if (thesaurus::is_open($id)) {
// recursive call of level
if (thesaurus::child_num($id, 1)) {
hyrarchy::display_line($line);
hyrarchy::display($id, $depth, $pos + 1, $errorArray);
}
}
}
// display line
hyrarchy::display_line($line);
}
}
}
}
echo "</div>";
if (session::get("show")) {
if (session::get("hyrarchy")) {
echo "<div id='info' class='info'>";
} else {
echo "<div id='infobig' class='info'>";
}
form::update_entry($_GET, $errorArray);
echo "</div>";
}
//------------------------------------------------------------------------------
// display hyrarchy list
if (session::get("hyrarchy")) {
echo "<div id='hyrarchy'>";
$display->header();
$display->display(0, -1, 0, $errorArray);
//thesaurus-resource, parent, depth, position
echo "</div>";
}
//------------------------------------------------------------------------------
// search field
$searchResult = search::get(session::get(search));
// display search result
if (!session::get(searchshow)) {
unset($searchResult);
}
// clear serach string if nothing new
if (count($searchResult) > 0 and session::get(searchshow)) {
// display search window
search::display($searchResult);
}