manageLookupTrees.php
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<?php
require_once("../../../../../config/dmsDefaults.php");
require_once(KT_LIB_DIR . "/templating/templating.inc.php");
require_once(KT_LIB_DIR . "/templating/kt3template.inc.php");
require_once(KT_LIB_DIR . "/documentmanagement/DocumentField.inc");
require_once(KT_LIB_DIR . "/documentmanagement/MetaData.inc");
require_once(KT_LIB_DIR . "/documentmanagement/MDTree.inc");
require_once(KT_LIB_DIR . "/dispatcher.inc.php");
class ManageLookupTreeDispatcher extends KTAdminDispatcher {
function do_main() {
$oTemplating = new KTTemplating;
$aTreeFields =& DocumentField::getList('has_lookuptree = 1');
$aLookupFields =& DocumentField::getList('has_lookup = 1 AND (has_lookuptree IS NULL or has_lookuptree = 0)');
$oTemplate = $oTemplating->loadTemplate("ktcore/manage_lookuptrees");
$aTemplateData = array(
"treefields" => $aTreeFields,
"lookupfields" => $aLookupFields,
);
return $oTemplate->render($aTemplateData);
}
function do_createTree() {
// extract.
$field_id = KTUtil::arrayGet($_REQUEST, 'field_id');
// validate
if (empty($field_id)) { return $this->errorRedirectToMain(_("Must select a field to convert.")); }
$oField =& DocumentField::get($field_id);
if (PEAR::isError($oField)) { return $this->errorRedirectToMain(_("Invalid field.")); }
// set as a metadata tree.
$oField->setHasLookupTree(1);
$oField->update();
$this->errorRedirectToMain(sprintf(_("Converted %s to a tree."), $oField->getName()));
}
// create and display the tree editing form.
function do_editTree() {
global $default;
// extract.
$field_id = KTUtil::arrayGet($_REQUEST, 'field_id');
$current_node = KTUtil::arrayGet($_REQUEST, 'current_node', 0);
$subaction = KTUtil::arrayGet($_REQUEST, 'subaction');
// validate
if (empty($field_id)) { return $this->errorRedirectToMain(_("Must select a field to edit.")); }
$oField =& DocumentField::get($field_id);
if (PEAR::isError($oField)) { return $this->errorRedirectToMain(_("Invalid field.")); }
// under here we do the subaction rendering.
// we do this so we don't have to do _very_ strange things with multiple actions.
//$default->log->debug("Subaction: " . $subaction);
$fieldTree =& new MDTree();
$fieldTree->buildForField($oField->getId());
if ($subaction !== null) {
$target = 'editTree';
$msg = _('Changes saved.');
if ($subaction === "addCategory") {
$new_category = KTUtil::arrayGet($_REQUEST, 'category_name');
if (empty($new_category)) { return $this->errorRedirectTo("editTree", _("Must enter a name for the new category."), array("field_id" => $field_id)); }
else { $this->subact_addCategory($field_id, $current_node, $new_category, $fieldTree);}
$msg = _('Category added'). ': ' . $new_category;
}
if ($subaction === "deleteCategory") {
$this->subact_deleteCategory($fieldTree, $current_node);
$current_node = 0; // clear out, and don't try and render the newly deleted category.
$msg = _('Category removed.');
}
if ($subaction === "linkKeywords") {
$keywords = KTUtil::arrayGet($_REQUEST, 'keywordsToAdd');
$this->subact_linkKeywords($fieldTree, $current_node, $keywords);
$current_node = 0; // clear out, and don't try and render the newly deleted category.
$msg = _('Keywords added to category.');
}
if ($subaction === "unlinkKeyword") {
$keyword = KTUtil::arrayGet($_REQUEST, 'keyword_id');
$this->subact_unlinkKeyword($fieldTree, $keyword);
$msg = _('Keyword moved to base of tree.');
}
// now redirect
$query = 'field_id=' . $field_id;
return $this->successRedirectTo($target, $msg, $query);
}
if ($fieldTree->root === null) {
return $this->errorRedirectToMain(_("Error building tree. Is this a valid tree-lookup field?"));
}
// FIXME extract this from MDTree (helper method?)
$free_metadata = MetaData::getList('document_field_id = '.$oField->getId().' AND (treeorg_parent = 0 OR treeorg_parent IS NULL)');
// render edit template.
$oTemplating = new KTTemplating;
$oTemplate = $oTemplating->loadTemplate("ktcore/edit_lookuptrees");
$renderedTree = $this->_evilTreeRenderer($fieldTree);
$this->oPage->setTitle(_('Edit Lookup Tree'));
//$this->oPage->requireJSResource('thirdparty/js/MochiKit/Base.js');
$aTemplateData = array(
"field" => $oField,
"tree" => $fieldTree,
"renderedTree" => $renderedTree,
"currentNode" => $current_node,
"freechildren" => $free_metadata,
"context" => $this,
);
return $oTemplate->render($aTemplateData);
}
function subact_addCategory($field_id, $current_node, $new_category, &$constructedTree) {
$newCategory = MDTreeNode::createFromArray(array (
"iFieldId" => $field_id,
"sName" => $new_category,
"iParentNode" => $current_node,
));
if (PEAR::isError($newCategory))
{
return false;
}
$constructedTree->addNode($newCategory);
return true;
}
function subact_deleteCategory(&$constructedTree, $current_node) {
$constructedTree->deleteNode($current_node);
return true;
}
function subact_unlinkKeyword(&$constructedTree, $keyword) {
$oKW = MetaData::get($keyword);
$constructedTree->reparentKeyword($oKW->getId(), 0);
return true;
}
function subact_linkKeywords(&$constructedTree, $current_node, $keywords) {
foreach ($keywords as $md_id)
{
$constructedTree->reparentKeyword($md_id, $current_node);
}
return true;
}
/* ----------------------- EVIL HACK --------------------------
*
* This whole thing needs to replaced, as soon as I work out how
* to non-sucking Smarty recursion.
*/
function _evilTreeRecursion($subnode, $treeToRender)
{
$treeStr = "<ul>";
foreach ($treeToRender->contents[$subnode] as $subnode_id => $subnode_val)
{
if ($subnode_id !== "leaves") {
$treeStr .= '<li class="treenode"><a class="pathnode" onclick="toggleElementClass(\'active\', this.parentNode);">' . $treeToRender->mapnodes[$subnode_val]->getName() . '</a>';
$treeStr .= $this->_evilActionHelper($treeToRender->field_id, false, $subnode_val);
$treeStr .= $this->_evilTreeRecursion($subnode_val, $treeToRender);
$treeStr .= '</li>';
}
else
{
foreach ($subnode_val as $leaf)
{
$treeStr .= '<li class="leafnode">' . $treeToRender->lookups[$leaf]->getName();
$treeStr .= $this->_evilActionHelper($treeToRender->field_id, true, $leaf);
$treeStr .= '</li>'; }
}
}
$treeStr .= '</ul>';
return $treeStr;
}
// I can't seem to do recursion in smarty, and recursive templates seems a bad solution.
// Come up with a better way to do this (? NBM)
function _evilTreeRenderer($treeToRender) {
//global $default;
$treeStr = "<!-- this is rendered with an unholy hack. sorry. -->";
$stack = array();
$exitstack = array();
// since the root is virtual, we need to fake it here.
// the inner section is generised.
$treeStr .= '<ul class="kt_treenodes"><li class="treenode"><a class="pathnode" onclick="toggleElementClass(\'active\', this.parentNode);">Root</a>';
$treeStr .= ' (<a href="manageLookupTrees.php?action=editTree&field_id='.$treeToRender->field_id.'¤t_node=0">edit</a>)';
$treeStr .= '<ul>';
//$default->log->debug("EVILRENDER: " . print_r($treeToRender, true));
foreach ($treeToRender->getRoot() as $node_id => $subtree_nodes)
{
//$default->log->debug("EVILRENDER: ".$node_id." => ".$subtree_nodes." (".($node_id === "leaves").")");
// leaves are handled differently.
if ($node_id !== "leaves") {
// $default->log->debug("EVILRENDER: " . print_r($subtree_nodes, true));
$treeStr .= '<li class="treenode"><a class="pathnode" onclick="toggleElementClass(\'active\', this.parentNode);">' . $treeToRender->mapnodes[$subtree_nodes]->getName() . '</a>';
$treeStr .= $this->_evilActionHelper($treeToRender->field_id, false, $subtree_nodes);
$treeStr .= $this->_evilTreeRecursion($subtree_nodes, $treeToRender);
$treeStr .= '</li>';
}
else
{
foreach ($subtree_nodes as $leaf)
{
$treeStr .= '<li class="leafnode">' . $treeToRender->lookups[$leaf]->getName();
$treeStr .= $this->_evilActionHelper($treeToRender->field_id, true, $leaf);
$treeStr .= '</li>';
}
}
}
$treeStr .= '</ul></li>';
$treeStr .= '</ul>';
return $treeStr;
}
// don't hate me.
function _evilActionHelper($iFieldId, $bIsKeyword, $current_node) {
$actionStr = " (";
if ($bIsKeyword === true) {
$actionStr .= '<a href="manageLookupTrees.php?action=editTree&field_id='.$iFieldId.'&keyword_id='.$current_node.'&subaction=unlinkKeyword">unlink</a>';
}
else
{
$actionStr .= '<a href="manageLookupTrees.php?action=editTree&field_id='.$iFieldId.'¤t_node='.$current_node.'">add items</a> ';
$actionStr .= '| <a href="manageLookupTrees.php?action=editTree&field_id='.$iFieldId.'¤t_node='.$current_node.'&subaction=deleteCategory">delete</a>';
}
$actionStr .= ")";
return $actionStr;
}
}
$oDispatcher = new ManageLookupTreeDispatcher();
$oDispatcher->dispatch();
?>