FieldsetDisplayRegistry.inc.php
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<?php
/**
* $Id$
*
* KnowledgeTree Community Edition
* Document Management Made Simple
* Copyright (C) 2008, 2009 KnowledgeTree Inc.
*
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
* California 94120-7775, or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*
*/
require_once(KT_LIB_DIR . '/metadata/fieldset.inc.php');
require_once(KT_LIB_DIR . '/metadata/metadatautil.inc.php');
require_once(KT_LIB_DIR . '/widgets/widgetfactory.inc.php');
require_once(KT_LIB_DIR . '/validation/validatorfactory.inc.php');
class KTFieldsetDisplayRegistry {
var $fieldset_types = array();
// {{{ getSingleton
function &getSingleton () {
if (!KTUtil::arrayGet($GLOBALS, 'oKTFieldsetDisplayRegistry')) {
$GLOBALS['oKTFieldsetDisplayRegistry'] = new KTFieldsetDisplayRegistry;
}
return $GLOBALS['oKTFieldsetDisplayRegistry'];
}
// }}}
// FIXME include a reg-class, so that lower items can ensure they require_once.
// pass in:
// nsname (e.g. ktcore/subscription)
// classname (e.g. KTSimpleFieldset)
function registerFieldsetDisplay($nsname, $className) {
$this->fieldset_types[$nsname] = $className;
}
function getHandler($nsname) {
if (!array_key_exists($nsname, $this->fieldset_types)) {
// unfortunately, we need to do a bit more spelunking here.
// if its conditional, we use a different item. ns is unsufficient.
//
// FIXME this is slightly wasteful from a performance POV, though DB caching should make it OK.
$oFieldset =& KTFieldset::getByNamespace ($nsname);
if (PEAR::isError($oFieldset))
{
global $default;
$default->log->error('Could not resolve Fieldset by namespace: ' . $nsname . '. Error: ' . $oFieldset->getMessage());
return 'SimpleFieldsetDisplay';
}
if (is_a($oFieldset, 'KTEntityNoObjects'))
{
global $default;
$default->log->error('Could not resolve Fieldset by namespace: ' . $nsname . '. Error: KTEntityNoObjects returned.');
return 'SimpleFieldsetDisplay';
}
if ($oFieldset->getIsConditional() && KTMetadataUtil::validateCompleteness($oFieldset)) {
return 'ConditionalFieldsetDisplay';
} else {
return 'SimpleFieldsetDisplay';
}
} else {
return $this->fieldset_types[$nsname];
}
}
// simple function to adapt a fieldset to a form
// passing in $oDocument will set the initial default
// values to those attached to the document.
//
// since the field names are stable, there isn't really a problem here
function formAdaptor($oFieldset, $oDocument = null) {
$widgets = array();
$validators = array();
$oVF =& KTValidationFactory::getSingleton();
$oWF =& KTWidgetFactory::getSingleton();
$fields =& $oFieldset->getFields();
foreach ($fields as $oField) {
// FIXME we probably want to use some form of factory here.
$field_name = 'metadata_' . $oField->getId();
if ($field->getHasLookup()) {
// lookups
if ($field->getHasLookupTree()) {
// tree
// FIXME we don't handle trees yet
continue;
/*
$fieldTree = new MDTree();
$fieldTree->buildForField($field->getId());
$fieldTree->setActiveItem($current_value);
$fieldOptions['tree'] = $fieldTree->_evilTreeRenderer($fieldTree, $fieldName);
$oField = new KTTreeWidget($fieldLabel, $fieldDescription, $fieldName, $fieldValue, $page, $fieldRequired, null, $fieldErrors, $fieldOptions);
*/
} else {
// normal
$widgets[] = $oWF->get('ktcore.widgets.entityselection', array(
'label' => $oField->getName(),
'name' => 'metadata_' . $oField->getId(),
'description' => $oField->getDescription(),
'vocab' => MetaData::getEnabledByDocumentField($oField),
'id_method' => 'getName',
'label_method' => 'getName',
'required' => $oField->getIsMandatory(),
));
if ($oField->getIsMandatory()) {
$validators[] = $oVF->get('ktcore.validators.required', array(
'test' => $field_name,
'basename' => 'metadata_',
));
}
$validators[] = $oVF->get('ktcore.validators.membership', array(
'test' => $field_name,
'output' => $field_name,
'basename' => $field_name,
'vocab' => MetaData::getEnabledValuesForField($oField),
));
}
} else {
$widgets[] = $oWF->get('ktcore.widgets.string', array(
'label' => $oField->getName(),
'output' => $field_name,
));
if ($oField->getIsMandatory()) {
$validators[] = $oVF->get('ktcore.validators.required', array(
'test' => $field_name,
'basename' => $field_name,
));
}
}
}
return array(
'widgets' => $widgets,
'validators' => $validators,
);
}
}
?>