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minput_helper.php
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Wed, May 21, 12:34 AM

minput_helper.php
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<?php
/**
* @version $Id: minput_helper.php 12306 2009-08-17 02:35:55Z dmitrya $
* @package In-Portal
* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
* @license GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.net/license/ for copyright notices and details.
*/
defined('FULL_PATH') or die('restricted access!');
class MInputHelper extends kHelper {
/**
* Returns user education table name
*
* @param kDBItem $object
* @return string
*/
function getTable($prefix, $temp=false)
{
$table_name = $this->Application->getUnitOption($prefix, 'TableName');
return $temp ? $this->Application->GetTempName($table_name, 'prefix:'.$prefix) : $table_name;
}
function prepareMInputXML($records, $use_fields)
{
$xml = '';
foreach ($records as $record) {
$xml .= '<record>';
foreach ($record as $field_name => $field_value) {
if (!in_array($field_name, $use_fields)) {
continue;
}
$xml .= '<field name="' . $field_name . '">' . htmlspecialchars($field_value) . '</field>';
}
$xml .= '</record>';
}
return $xml ? '<records>'.$xml.'</records>' : '';
}
function prepareErrorsXML(&$object, $fields_hash)
{
$xml = '';
foreach ($fields_hash as $field_name => $field_value) {
$object->SetField($field_name, $field_value);
if (!$object->ValidateField($field_name)) {
$xml .= '<field name="'.$field_name.'">'.$object->GetErrorMsg($field_name, false).'</field>';
}
}
return '<errors>'.$xml.'</errors>';
}
/**
* Validates MInput control fields
*
* @param kEvent $event
*/
function OnValidateMInputFields(&$event)
{
$object =& $event->getObject();
/* @var $object kDBItem */
$items_info = $this->Application->GetVar($event->getPrefixSpecial(true));
if ($items_info) {
list ($id, $field_values) = each($items_info);
echo $this->prepareErrorsXML($object, $field_values);
}
$event->status = erSTOP;
}
function parseMInputXML($xml)
{
$xml_helper =& $this->Application->recallObject('kXMLHelper');
/* @var $xml_helper kXMLHelper */
$root_node =& $xml_helper->Parse($xml);
$root_node =& $root_node->FindChild('records');
if (!$root_node || !$root_node->firstChild) {
return false;
}
$records = Array ();
$current_node = $root_node->firstChild;
/* @var $current_node kXMLNode */
do {
$record = Array();
$sub_node =& $current_node->firstChild;
/* @var $current_node kXMLNode */
do {
$record[$sub_node->Attributes['NAME']] = $sub_node->Data;
}while ( ($sub_node =& $sub_node->NextSibling()) );
$records[] = $record;
} while (($current_node =& $current_node->NextSibling()));
return $records;
}
/**
* Loads selected values from sub_prefix to main item virtual field.
* Called from OnAfterItemLoad of main prefix.
*
* @param kEvent $event
* @param string $store_field main item's field name, to store values into
* @param string $sub_prefix prefix used to store info about selected items
* @param Array $use_fields fields, used in value string building
*/
function LoadValues(&$event, $store_field, $sub_prefix, $use_fields)
{
$object =& $event->getObject();
/* @var $object kDBItem */
$sub_item =& $this->Application->recallObject($sub_prefix, null, Array('skip_autoload' => true));
/* @var $sub_item kDBItem */
$foreign_key = $this->Application->getUnitOption($sub_prefix, 'ForeignKey');
$sql = 'SELECT *
FROM '.$this->getTable($sub_prefix, $object->IsTempTable()).'
WHERE '.$foreign_key.' = '.$object->GetID();
$selected_items = $this->Conn->Query($sql);
$field_names = array_keys( $sub_item->GetFieldValues() );
foreach ($selected_items as $key => $fields_hash) {
$sub_item->Clear();
$sub_item->SetDBFieldsFromHash($fields_hash);
// to fill *_date and *_time fields from main date fields
$sub_item->UpdateFormattersSubFields();
foreach ($field_names as $field) {
$field_options = $sub_item->GetFieldOptions($field);
$formatter = array_key_exists('formatter', $field_options) ? $field_options['formatter'] : false;
if ($formatter == 'kDateFormatter') {
$selected_items[$key][$field] = $sub_item->GetField($field, $field_options['input_format']);
}
else {
$selected_items[$key][$field] = $sub_item->GetDBField($field);
}
}
}
$object->SetDBField($store_field, $this->prepareMInputXML($selected_items, $use_fields));
}
/**
* Saves data from minput control to subitem table (used from subitem hook)
*
* @param kEvent $sub_event
* @param string $store_field
*/
function SaveValues(&$sub_event, $store_field)
{
$main_object =& $sub_event->MasterEvent->getObject();
$affected_field = $main_object->GetDBField($store_field);
$object =& $this->Application->recallObject($sub_event->getPrefixSpecial(), null, Array('skip_autoload' => true));
/*@var $object kDBItem*/
$sub_table = $object->TableName;
$foreign_key = $this->Application->getUnitOption($sub_event->Prefix, 'ForeignKey');
$sql = 'DELETE FROM '.$sub_table.'
WHERE '.$foreign_key.' = '.$main_object->GetID();
$this->Conn->Query($sql);
if ($affected_field) {
$records = $this->parseMInputXML($affected_field);
$main_id = $main_object->GetID();
foreach ($records as $fields_hash) {
$object->Clear();
$fields_hash[$foreign_key] = $main_id;
$object->SetDBFieldsFromHash($fields_hash);
$object->Create();
}
}
}
}

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