fieldsetregistry.inc.php
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<?php
/**
* $Id: view.php 6584 2007-05-23 13:43:15Z kevin_fourie $
*
* 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): ______________________________________
*/
/* fun with adaptors.
*
* Each fieldset type needs to handle
* - widget generation
* - validator generation
* - view rendering
* - configuration
* - fulltext generation
* - search widget/criteria
*
* Very little of this is actually handled in this version. In fact, at the
* moment the entire thing is faked. This is done to make add/edit a little
* more sane.
*
* In the long term, the "correct" approach here will be to make the actual
* KTFieldsetType a class, and to extend fieldset with a "config_array" and
* "fieldset_type_namespace" params.
*
* Comments and suggestions on this are welcome.
*/
require_once(KT_LIB_DIR . "/widgets/widgetfactory.inc.php");
require_once(KT_LIB_DIR . "/validation/validatorfactory.inc.php");
class KTFieldsetRegistry {
var $fieldsettypes;
var $oVF;
var $oWF;
function &getSingleton () {
if (!KTUtil::arrayGet($GLOBALS['_KT_PLUGIN'], 'oKTFieldsetRegistry')) {
$GLOBALS['_KT_PLUGIN']['oKTFieldsetRegistry'] = new KTFieldsetRegistry;
}
return $GLOBALS['_KT_PLUGIN']['oKTFieldsetRegistry'];
}
function registerType($sClassname, $sNS, $sFile) {
// stub
}
function formElementsForFieldset($fieldsetOrType, $sContainerName, $oDocument = null) {
// we want to create:
//
// - validators
// - widgets
//
// use $oDocument as a stub *if* its set.
}
function widgetsForFieldset($fieldsetOrType, $sContainerName, $oDocument = null) {
// this is likely to be called repeatedly.
if (is_null($this->oWF)) {
$this->oWF =& KTWidgetFactory::getSingleton();
}
// we're going to create one of two things, here:
// - conditional fieldset widget
// - a "Fieldset" widget
// FIXME delegate.
$oFieldset =& $fieldsetOrType;
if ($oFieldset->getIsConditional()) {
return PEAR::raiseError(_kt("Conditional Fieldsets are not yet implemented"));
} else {
$widgets = array();
$fields = $oFieldset->getFields();
foreach ($fields as $oField) {
$fname = 'metadata_' . $oField->getId();
$value = null;
// check if we had an old value
if (!is_null($oDocument)) {
$oFL = DocumentFieldLink::getByDocumentAndField($oDocument, $oField);
if (!is_null($oFL) && (!PEAR::isError($oFL))) {
$value = $oFL->getValue();
}
}
// we have to hack in support for the hardcoded types of fields
// handled by the "generic" widget.
//
// we try to make this a little more "sane"
$type = '';
if ($oField->getHasLookup()) {
if ($oField->getHasLookupTree()) {
$type = 'ktcore.fields.tree';
} else {
$type = 'ktcore.fields.lookup';
}
} else {
$type = 'ktcore.fields.string';
}
if ($type == 'ktcore.fields.string') {
$widgets[] = $this->oWF->get('ktcore.widgets.string', array(
'label' => $oField->getName(),
'required' => $oField->getIsMandatory(),
'name' => $fname,
'value' => $value,
'description' => $oField->getDescription(),
));
} else if ($type == 'ktcore.fields.lookup') {
$widgets[] = $this->oWF->get('ktcore.widgets.entityselection', array(
'label' => $oField->getName(),
'required' => $oField->getIsMandatory(),
'name' => $fname,
'value' => $value,
'description' => $oField->getDescription(),
'vocab' => MetaData::getEnabledByDocumentField($oField),
'id_method' => 'getName',
'label_method' => 'getName',
'unselected_label' => _kt("No selection."),
));
} else if ($type == 'ktcore.fields.tree') {
$widgets[] = $this->oWF->get('ktcore.widgets.treemetadata', array(
'label' => $oField->getName(),
'required' => $oField->getIsMandatory(),
'name' => $fname,
'value' => $value,
'description' => $oField->getDescription(),
'vocab' => MetaData::getEnabledByDocumentField($oField),
'field_id' => $oField->getId(),
));
}
}
return array($this->oWF->get('ktcore.widgets.fieldset',array(
'label' => $oFieldset->getName(),
'description' => $oFieldset->getDescription(),
'name' => $sContainerName,
'widgets' => $widgets,
)));
}
}
function validatorsForFieldset($fieldsetOrType, $sContainerName, $oDocument = null, $bIncludeAuto = false) {
// this is likely to be called repeatedly.
if (is_null($this->oVF)) {
$this->oVF =& KTValidatorFactory::getSingleton();
}
// FIXME delegate.
$oFieldset =& $fieldsetOrType;
if ($oFieldset->getIsConditional()) {
return PEAR::raiseError(_kt("Conditional Fieldsets are not yet implemented"));
} else {
$validators = array();
$fields = $oFieldset->getFields();
if ($bIncludeAuto) {
// we need to do *all* validation
// since we may be used outside a form.
//
// to prevent code duplication, we cheat and get the autovalidators
// this makes add/edit forms marginally less efficient, but we'll deal.
$widgets = $this->widgetsForFieldset($oFieldset, $sContainerName, $sDocument);
$validators = kt_array_merge($validators, $widgets[0]->getValidators());
}
foreach ($fields as $oField) {
$type = '';
if ($oField->getHasLookup()) {
if ($oField->getHasLookupTree()) {
$type = 'ktcore.fields.tree';
} else {
$type = 'ktcore.fields.lookup';
}
} else {
$type = 'ktcore.fields.string';
}
$fname = 'metadata_' . $oField->getId();
if ($type == 'ktcore.fields.string') {
$validators[] = $this->oVF->get('ktcore.validators.string',array(
'test' => $fname,
'output' => $fname,
));
} else if ($type == 'ktcore.fields.lookup') {
$validators[] = $this->oVF->get('ktcore.validators.membership',array(
'test' => $fname,
'output' => $fname,
'vocab' => MetaData::getEnabledValuesByDocumentField($oField),
'id_method' => 'getName',
));
} else if ($type == 'ktcore.fields.tree') {
// FIXME we really need to make tree entries richer
$validators[] = $this->oVF->get('ktcore.validators.membership',array(
'test' => $fname,
'output' => $fname,
'vocab' => MetaData::getEnabledValuesByDocumentField($oField),
'id_method' => 'getName',
));
} else {
$validators[] = PEAR::raiseError(sprintf(_kt("Unable to deal with field: id %d"), $oField->getId()));
}
}
return array($this->oVF->get('ktcore.validators.fieldset',array(
'test' => $sContainerName,
'output' => $sContainerName,
'validators' => $validators,
)));
}
}
}
?>