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phrases_cache.php
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Sun, Feb 1, 3:02 AM

phrases_cache.php
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<?php
class PhrasesCache extends kBase {
/**
* Connection to database
*
* @var kDBConnection
* @access public
*/
var $Conn;
var $Phrases = Array();
var $Ids = Array();
var $OriginalIds = Array(); //for comparing cache
var $LanguageId = null;
var $fromTag = false;
function PhrasesCache()
{
parent::kBase();
$this->Conn =& $this->Application->GetADODBConnection();
}
function Init($prefix, $special = '')
{
$this->LanguageId = constOn('IS_INSTALL') ? 1 : $this->Application->GetVar('m_lang');
if (isset($this->Application->Caches['PhraseList'])) {
$this->LoadPhrases( $this->Application->Caches['PhraseList'] );
}
}
function GetCachedIds()
{
$query = sprintf("SELECT PhraseList, ConfigVariables FROM %s WHERE Template = %s",
TABLE_PREFIX.'PhraseCache',
$this->Conn->Qstr(md5($this->Application->GetVar('t').$this->Application->GetVar('m_theme').$this->Application->GetVar('m_lang'))));
$res = $this->Conn->GetRow($query);
if ($res && $res['ConfigVariables']) {
$this->Application->OriginalConfigCacheIds = explode(',', $res['ConfigVariables']);
$this->Application->ConfigCacheIds = $this->Application->OriginalConfigCacheIds;
}
return ($res === false) ? Array() : explode(',', $res['PhraseList']);
}
function LoadPhrases($ids)
{
if ( !is_array($ids) || !implode('', $ids) ) return;
$query = sprintf("SELECT Translation,UPPER(Phrase) AS Phrase FROM %s WHERE LanguageId = %s AND PhraseId IN (%s)",
TABLE_PREFIX.'Phrase',
$this->LanguageId,
join(',', $ids));
$this->Phrases = $this->Conn->GetCol($query,'Phrase');
/*foreach($phrases as $phrase => $tanslation)
{
$this->AddCachedPhrase(strtoupper($phrase), $tanslation);
}*/
$this->Ids = $ids;
$this->OriginalIds = $ids;
}
function AddCachedPhrase($label, $value)
{
$label = strtoupper($label);
$this->Phrases[$label] = $value;
}
function NeedsCacheUpdate()
{
return is_array($this->Ids) && count($this->Ids) > 0 && $this->Ids != $this->OriginalIds;
}
function UpdateCache()
{
$update = false;
//something changed
$update = $update || (is_array($this->Ids) && count($this->Ids) > 0 && $this->Ids != $this->OriginalIds);
$update = $update || (count($this->Application->ConfigCacheIds) && $this->Application->ConfigCacheIds != $this->Application->OriginalConfigCacheIds);
if ($update) {
$query = sprintf("REPLACE %s (PhraseList, CacheDate, Template, ConfigVariables)
VALUES (%s, %s, %s, %s)",
TABLE_PREFIX.'PhraseCache',
$this->Conn->Qstr(join(',', $this->Ids)),
adodb_mktime(),
$this->Conn->Qstr(md5($this->Application->GetVar('t').$this->Application->GetVar('m_theme').$this->Application->GetVar('m_lang'))),
$this->Conn->qstr(implode(',', array_unique($this->Application->ConfigCacheIds))));
$this->Conn->Query($query);
}
}
function GetPhrase($label)
{
if (ereg("^!.+!$", $label) > 0)
{
$label = substr($label, 1, -1); //cut exclamation marks
}
if( strlen($label) == 0 ) return '';
$original_label = $label;
$label = strtoupper($label);
if(isset($this->Phrases[$label])) {
$translated_label = $this->Phrases[$label];
// debug mode is checked directly to improve performance
if (defined('DEBUG_MODE') && DEBUG_MODE && constOn('DBG_PHRASES_HIGHLIGHT')) {
if (!$this->Application->isDebugMode()) return $translated_label;
if ($this->Application->IsAdmin()) {
$sql = 'SELECT Module
FROM '.TABLE_PREFIX.'Phrase
WHERE (LanguageId = '.$this->LanguageId.') AND (Phrase = '.$this->Conn->qstr($label).')';
$this->Application->Debugger->appendHTML('Phrase: <b>'.$label.'</b>; Module: <b>'.$this->Conn->GetOne($sql).'</b>');
// $translated_label = $translated_label.' [m: '.$this->Conn->GetOne($sql).'; l: '.$label.']';
}
else {
// highlight text created via translated phrase (used to detect if text on screen is phrase or not)
$translated_label = '<span style="border: 1px solid #999999; background-color: #cccccc; color: #999999; ">'.$translated_label.'</span></a> <span style="color: red; background-color:#ffffcc">'.$original_label.'</span>';
}
}
return $translated_label;
}
$this->LoadPhraseByLabel($label, $original_label);
return $this->GetPhrase($label);
}
function LoadPhraseByLabel($label, $original_label)
{
$query = sprintf("SELECT PhraseId, Translation FROM %s WHERE LanguageId = %s AND UPPER(Phrase) = UPPER(%s)",
TABLE_PREFIX.'Phrase',
$this->LanguageId,
$this->Conn->qstr($label));
$res = $this->Conn->GetRow($query);
if ($res === false || count($res) == 0)
{
$translation = '!'.$label.'!';
if($this->Application->isDebugMode() && constOn('DBG_PHRASES')) {
list($edit_tpl, $index_file) = $this->Application->IsAdmin() ? Array('regional/phrases_edit', 'index.php') : Array('phrases_edit', 'index.php');
if ($this->Application->IsAdmin() && $this->Application->ConfigValue('UsePopups')) {
// link to popup when using popups (only in admin)
$edit_url = 'javascript:translate_phrase(\''.addslashes($original_label).'\', \''.$edit_tpl.'\');';
}
else {
// direct link, when not using popups OR on frontend
$edit_url = $this->Application->HREF($edit_tpl,'',Array('m_opener'=>'d','phrases_label'=>$original_label,'phrases_event'=>'OnNew', 'pass'=>'all,phrases'), $index_file );
}
$translation = '<a href="'.$edit_url.'">!'.$label.'!</a>';
if($this->fromTag) $translation = $this->escapeTagReserved($translation);
}
$this->AddCachedPhrase($label, $translation); //add it as already cached, as long as we dont need to cache not found phrase
return false;
}
$this->Phrases[$label] = $res['Translation'];
array_push($this->Ids, $res['PhraseId']);
$this->Ids = array_unique($this->Ids); //just to make sure
return true;
}
/**
* Sort params by name and then by length
*
* @param string $a
* @param string $b
* @return int
* @access private
*/
function CmpParams($a, $b)
{
$a_len = strlen($a);
$b_len = strlen($b);
if ($a_len == $b_len) return 0;
return $a_len > $b_len ? -1 : 1;
}
/**
* Replace language tags in exclamation marks found in text
*
* @param string $text
* @param bool $force_escape force escaping, not escaping of resulting string
* @return string
* @access public
*/
function ReplaceLanguageTags($text,$forse_escaping=null)
{
$this->fromTag = true;
if( isset($forse_escaping) ) $this->fromTag = $forse_escaping;
preg_match_all("(!(la|lu)[^!]+!)", $text, $res, PREG_PATTERN_ORDER);
$language_tags = $res[0];
uasort($language_tags, Array(&$this, 'CmpParams') );
$values = Array();
$i = 0;
foreach ($language_tags as $label) {
array_push($values, $this->GetPhrase($label) );
//array_push($values, $this->Application->Phrase($label) );
$language_tags[$i] = '/' . $language_tags[$i] . '/';
$i++;
}
$this->fromTag = false;
return preg_replace($language_tags, $values, $text);
}
/**
* Escape chars in phrase translation, that could harm parser to process tag
*
* @param string $text
* @return string
* @access private
*/
function escapeTagReserved($text)
{
$reserved = Array('"',"'"); // =
$replacement = Array('\"',"\'"); // \=
return str_replace($reserved,$replacement,$text);
}
}
?>

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