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Sun, Feb 2, 1:05 AM

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Index: trunk/core/units/general/helpers/multilanguage.php
===================================================================
--- trunk/core/units/general/helpers/multilanguage.php (revision 8565)
+++ trunk/core/units/general/helpers/multilanguage.php (revision 8566)
@@ -1,251 +1,251 @@
<?php
/**
* Performs action on multilingual fields
*
*/
class kMultiLanguageHelper extends kHelper {
var $languageCount = 0;
/**
* Structure of table, that is currently processed
*
* @var Array
*/
var $curStructure = Array();
/**
* Field, to get structure information from
*
* @var string
*/
var $curSourceField = false;
/**
* Indexes used in table of 32
*
* @var int
*/
var $curIndexCount = 0;
/**
* Fields from config, that are currently used
*
* @var Array
*/
var $curFields = Array();
function kMultiLanguageHelper()
{
parent::kHelper();
$this->languageCount = $this->getLanguageCount();
}
/**
* Returns language count in system (always is divisible by 5)
*
*/
function getLanguageCount()
{
$table_name = $this->Application->getUnitOption('lang', 'TableName');
$languages_count = $this->Conn->GetOne('SELECT COUNT(*) FROM '.$table_name);
if (!$languages_count) {
// during installation we have not languages, but we need to created custom field columns
$languages_count = 1;
}
return $languages_count + 5 - ( $languages_count % 5 ? ($languages_count % 5) : 5 );
}
function scanTable($mask)
{
$i = 0;
$fields_found = 0;
$fields = array_keys($this->curStructure);
foreach ($fields as $field_name) {
if (preg_match($mask, $field_name)) {
$fields_found++;
}
}
return $fields_found;
}
function readTableStructure($table_name, $refresh = false)
{
// if ($refresh || !getArrayValue($structure_status, $prefix.'.'.$table_name)) {
$this->curStructure = $this->Conn->Query('DESCRIBE '.$table_name, 'Field');
$this->curIndexCount = count($this->Conn->Query('SHOW INDEXES FROM '.$table_name));
// }
}
/**
* Creates missing multilanguage fields in table by specified prefix
*
* @param string $prefix
* @param bool $refresh Forces config field structure to be re-read from database
*/
function createFields($prefix, $refresh = false)
{
if ($refresh && preg_match('/(.*)-cdata$/', $prefix, $regs)) {
// call main item config to clone cdata table
$this->Application->UnitConfigReader->loadConfig($regs[1]);
$this->Application->HandleEvent( new kEvent($prefix.':OnAfterConfigRead') );
}
$table_name = $this->Application->getUnitOption($prefix, 'TableName');
$this->curFields = $this->Application->getUnitOption($prefix, 'Fields');
if (!($table_name && $this->curFields) || ($table_name && !$this->Conn->TableFound($table_name))) {
// invalid config found or prefix not found
return true;
}
$sqls = Array();
$this->readTableStructure($table_name, $refresh);
foreach($this->curFields as $field_name => $field_options)
{
if (getArrayValue($field_options, 'formatter') == 'kMultiLanguage') {
if (isset($field_options['master_field'])) {
unset($this->curFields[$field_name]);
continue;
}
$created_count = $this->getCreatedCount($field_name);
$create_count = $this->languageCount - $created_count;
if ($create_count > 0) {
// `l77_Name` VARCHAR( 255 ) NULL DEFAULT '0';
$field_mask = Array();
$field_mask['name'] = 'l%s_'.$field_name;
$field_mask['null'] = getArrayValue($field_options, 'not_null') ? 'NOT NULL' : 'NULL';
if ($this->curSourceField) {
$default_value = $this->getFieldParam('Default') != 'NULL' ? $this->Conn->qstr($this->getFieldParam('Default')) : $this->getFieldParam('Default');
$field_mask['type'] = $this->getFieldParam('Type');
}
else {
$default_value = is_null($field_options['default']) ? 'NULL' : $this->Conn->qstr($field_options['default']);
$field_mask['type'] = $field_options['db_type'];
}
$field_mask['default'] = 'DEFAULT '.$default_value;
if (strtoupper($field_mask['type']) == 'TEXT') {
// text fields in mysql doesn't have default value
$field_mask = $field_mask['name'].' '.$field_mask['type'].' '.$field_mask['null'];
}
else {
$field_mask = $field_mask['name'].' '.$field_mask['type'].' '.$field_mask['null'].' '.$field_mask['default'];
}
$sqls[] = 'ALTER TABLE '.$table_name.( $this->generateAlterSQL($field_mask, $created_count + 1, $create_count) );
}
}
}
foreach ($sqls as $sql_query) {
$this->Conn->Query($sql_query);
}
}
function deleteField($prefix, $custom_id)
{
$table_name = $this->Application->getUnitOption($prefix, 'TableName');
$sql = 'DESCRIBE '.$table_name.' "l%_cust_'.$custom_id.'"';
$fields = $this->Conn->GetCol($sql);
$sql = 'ALTER TABLE '.$table_name.' ';
$sql_template = 'DROP COLUMN %s, ';
foreach ($fields as $field_name) {
$sql .= sprintf($sql_template, $field_name);
}
$sql = preg_replace('/(.*), $/', '\\1', $sql);
$this->Conn->Query($sql);
}
/**
* Returns parameter requested of current source field
*
* @param string $param_name
* @return string
*/
function getFieldParam($param_name)
{
return $this->curStructure[$this->curSourceField][$param_name];
}
function getCreatedCount($field_name)
{
- $ret = $this->scanTable('/^l[\d]+_'.preg_quote($field_name, '/').'/');
+ $ret = $this->scanTable('/^l[\d]+_'.preg_quote($field_name, '/').'$/');
if (!$ret) {
// no multilingual fields at all (but we have such field without language prefix)
$original_found = $this->scanTable('/'.preg_quote($field_name, '/').'/');
$this->curSourceField = $original_found ? $field_name : false;
}
else {
$this->curSourceField = 'l1_'.$field_name;
}
return $ret;
}
/**
* Returns ALTER statement part for adding required fields to table
*
* @param string $field_mask sql mask for creating field with correct definition (type & size)
* @param int $start_index add new fields starting from this index
* @param int $create_count create this much new multilingual field translations
* @return string
*/
function generateAlterSQL($field_mask, $start_index, $create_count)
{
static $single_lang = null;
if (!isset($single_lang)) {
// if single language mode, then create indexes only on primary columns
$table_name = $this->Application->getUnitOption('lang', 'TableName');
$sql = 'SELECT COUNT(*)
FROM '.$table_name.'
WHERE Enabled = 1';
// if language count = 0, then assume it's multi language mode
$single_lang = $this->Conn->GetOne($sql) == 1;
}
$ret = ' ';
$ml_field = preg_replace('/l(.*)_(.*?) (.*)/', '\\2', $field_mask);
$i_count = $start_index + $create_count;
while ($start_index < $i_count) {
list($prev_field,$type) = explode(' ', sprintf($field_mask, $start_index - 1) );
if (substr($prev_field, 0, 3) == 'l0_') {
$prev_field = substr($prev_field, 3, strlen($prev_field));
if (!$this->curSourceField) {
// get field name before this one
$fields = array_keys($this->curFields);
// $prev_field = key(end($this->curStructure));
$prev_field = $fields[array_search($prev_field, $fields) - 1];
if (getArrayValue($this->curFields[$prev_field], 'formatter') == 'kMultiLanguage') {
$prev_field = 'l'.$this->languageCount.'_'.$prev_field;
}
}
}
$field_expression = sprintf($field_mask, $start_index);
$ret .= 'ADD COLUMN '.$field_expression.' AFTER `'.$prev_field.'`, ';
if ($this->curIndexCount < 32 && ($start_index == $this->Application->GetDefaultLanguageId() || !$single_lang)) {
// create index for primary language column + for all others (if multiple languages installed)
list($field_name, $field_params) = explode(' ', $field_expression, 2);
$index_type = isset($this->curFields[$ml_field]['index_type']) ? $this->curFields[$prev_field]['index_type'] : 'string';
$ret .= $index_type == 'string' ? 'ADD INDEX (`'.$field_name.'` (5) ), ' : 'ADD INDEX (`'.$field_name.'`), ';
$this->curIndexCount++;
}
$start_index++;
}
return preg_replace('/, $/',';',$ret);
}
}
?>
\ No newline at end of file
Property changes on: trunk/core/units/general/helpers/multilanguage.php
___________________________________________________________________
Modified: cvs2svn:cvs-rev
## -1 +1 ##
-1.14
\ No newline at end of property
+1.15
\ No newline at end of property

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