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Created: Wed, Feb 26, 10:47 AM

custom_fields_tag_processor.php
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	<?php
	/**
	* @version $Id: custom_fields_tag_processor.php 13545 2010-05-11 19:19:58Z alex $
	* @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.org/license for copyright notices and details.
	*/

	defined('FULL_PATH') or die('restricted access!');

	class CustomFieldsTagProcessor extends kDBTagProcessor {

	/**
	* Return LEFT JOINed custom field name from main item config
	*
	* @param Array $params
	* @return string
	*/
	function GetMainField($params)
	{
	$object =& $this->getObject($params);
	$append = isset($params['append']) && $params['append'] ? $params['append'] : '';
	return 'cust_'.$object->GetDBField('FieldName').$append;
	}

	function CustomField($params)
	{
	$params['name'] = $this->GetMainField($params);
	$source_prefix = $this->Application->Parser->GetParam('SourcePrefix');
	return $this->Application->ProcessParsedTag($source_prefix, 'Field', $params);
	}

	function CustomFormat($params)
	{
	$params['name'] = $this->GetMainField($params);
	$source_prefix = $this->Application->Parser->GetParam('SourcePrefix');
	return $this->Application->ProcessParsedTag($source_prefix, 'Format', $params);
	}

	function CustomInputName($params)
	{
	$params['name'] = $this->GetMainField($params);
	$source_prefix = $this->Application->Parser->GetParam('SourcePrefix');
	return $this->Application->ProcessParsedTag($source_prefix, 'InputName', $params);
	}

	function setParamValue(&$params, $param_name)
	{
	// $deep_level if GetParam = 1 used in case if PrintList is called during parsing "grid" block (=> +1 to deep_level)
	if (!isset($params[$param_name])) {
	$params[$param_name] = $this->Application->Parser->GetParam($param_name, 1);
	}

	return $params[$param_name];
	}

	/**
	* Prints list content using block specified
	*
	* @param Array $params
	* @return string
	* @access public
	*/
	function PrintList($params)
	{
	$this->setParamValue($params, 'SourcePrefix');
	$this->setParamValue($params, 'value_field');

	$list =& $this->GetList($params);
	$id_field = $this->Application->getUnitOption($this->Prefix,'IDField');

	$list->Query();
	$o = '';
	$list->GoFirst();

	$block_params = $this->prepareTagParams($params);
	$block_params['name'] = $this->SelectParam($params, 'render_as,block');
	$block_params['pass_params'] = 'true';

	$prev_heading = '';
	$display_original = false;
	$source_prefix = getArrayValue($params, 'SourcePrefix');
	if ($source_prefix) {
	$source_object =& $this->Application->recallObject($source_prefix, null, Array ('raise_warnings' => 0)); // it's possible, that in some cases object will not be loaded
	/* @var $source_object kCatDBItem */

	$display_original = $this->Application->ProcessParsedTag($source_prefix, 'DisplayOriginal', Array('display_original' => $this->setParamValue($params, 'display_original')));
	}

	if ($display_original) {
	$block_params['display_original'] = $display_original;
	$block_params['original_title'] = $this->setParamValue($params, 'original_title');
	$original_object =& $this->Application->recallObject($source_prefix.'.original', null, Array ('raise_warnings' => 0)); // it's possible, that in some cases object will not be loaded
	}

	if ($this->Special == 'general') {
	$this->groupRecords($list->Records, 'Heading');
	}

	$i = 0;
	while (!$list->EOL())
	{
	$block_params['is_last'] = ($i == $list->SelectedCount - 1);
	$block_params['not_last'] = !$block_params['is_last']; // for front-end

	$this->Application->SetVar( $this->getPrefixSpecial().'_id', $list->GetDBField($id_field) ); // for edit/delete links using GET

	if ($source_prefix) {
	$list->SetDBField($params['value_field'], $source_object->GetDBField('cust_'.$list->GetDBField('FieldName')));
	if ($display_original) {
	$list->SetDBField('OriginalValue', $original_object->GetField('cust_'.$list->GetDBField('FieldName')));
	}
	$block_params['field'] = $block_params['virtual_field'] = 'cust_'.$list->GetDBField('FieldName');
	$block_params['show_heading'] = ($prev_heading != $list->GetDBField('Heading') ) ? 1 : 0;

	$options = $source_object->GetFieldOptions('cust_'.$list->GetDBField('FieldName'));
	$list->SetDBField('DirectOptions', isset($options['options']) ? $options['options'] : false);
	}

	$o.= $this->Application->ParseBlock($block_params);
	$prev_heading = $list->GetDBField('Heading');
	$list->GoNext();
	$i++;
	}

	$this->Application->SetVar( $this->getPrefixSpecial().'_id', '');
	return $o;
	}

	/**
	* If data was modfied & is in TempTables mode, then parse block with name passed;
	* remove modification mark if not in TempTables mode
	*
	* @param Array $params
	* @return string
	* @access public
	* @author Alexey
	*/
	function SaveWarning($params)
	{
	$source_prefix = array_key_exists('SourcePrefix', $params) ? $params['SourcePrefix'] : false;
	if ($source_prefix && $source_prefix == 'c') {
	return $this->Application->ProcessParsedTag('c', 'SaveWarning', $params);
	}

	return parent::SaveWarning($params);
	}
	}

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