FieldsetDisplayRegistry.inc.php
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<?php
/**
* $Id$
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1.2 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.knowledgetree.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights and
* limitations under the License.
*
* All copies of the Covered Code must include on each user interface screen:
* (i) the "Powered by KnowledgeTree" logo and
* (ii) the KnowledgeTree copyright notice
* in the same form as they appear in the distribution. See the License for
* requirements.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2007 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
* 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 ($oFieldset->getIsConditional() && KTMetadataUtil::validateCompleteness($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,
);
}
}
?>