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- <?php
- /**
- * File translation.str_mgmt.php
- *
- * Additional functions for Translation class
- *
- * Functions allowing user to create the new language, translation for specific
- * strings and full management of the languages database.
- *
- * @author Wojciech Zieli±ski <voyteck@caffe.com.pl>
- * @author Lorenzo Alberton <l dot alberton at quipo dot it>
- * @version 1.3
- * @access public
- * @package Translation
- */
- /**
- * require PEAR::DB
- */
- require_once 'DB.php';
-
- /**
- * helper method
- */
- function setDefaultTableDefinitions($LangID, $CustomTables)
- {
- //set defaults
- $TableDefinitions = array(
- 'langsavail' => array(
- 'name' => 'tr_langsavail',
- 'lang_id' => 'lang_id',
- 'lang_name' => 'name',
- 'metatags' => 'metatags',
- 'errortext' => 'errortext'
- ),
- 'strings_'.$LangID => array(
- 'name' => 'strings_'.$LangID,
- 'page_id' => 'page_id',
- 'string_id' => 'string_id',
- 'string' => 'string'
- )
- );
- if (is_array($CustomTables['langsavail'])) {
- $TableDefinitions['langsavail']['name'] = isset($CustomTables['langsavail']['name']) ? $CustomTables['langsavail']['name'] : 'tr_langsavail';
- $TableDefinitions['langsavail']['lang_id'] = isset($CustomTables['langsavail']['lang_id']) ? $CustomTables['langsavail']['lang_id'] : 'lang_id';
- $TableDefinitions['langsavail']['lang_name'] = isset($CustomTables['langsavail']['lang_name']) ? $CustomTables['langsavail']['lang_name'] : 'lang_name';
- $TableDefinitions['langsavail']['metatags'] = isset($CustomTables['langsavail']['metatags']) ? $CustomTables['langsavail']['metatags'] : 'metatags';
- $TableDefinitions['langsavail']['errortext'] = isset($CustomTables['langsavail']['errortext']) ? $CustomTables['langsavail']['errortext'] : 'errortext';
- } elseif (!empty($CustomTables['langsavail'])) {
- $TableDefinitions['langsavail']['name'] = $CustomTables['langsavail'];
- }
-
- if (is_array($CustomTables['strings_'.$LangID])) {
- $TableDefinitions['strings_'.$LangID]['name'] = isset($CustomTables['strings_'.$LangID]['name']) ? $CustomTables['strings_'.$LangID]['name'] : 'strings_'.$LangID;
- $TableDefinitions['strings_'.$LangID]['page_id'] = isset($CustomTables['strings_'.$LangID]['page_id']) ? $CustomTables['strings_'.$LangID]['page_id'] : 'page_id';
- $TableDefinitions['strings_'.$LangID]['string_id'] = isset($CustomTables['strings_'.$LangID]['string_id']) ? $CustomTables['strings_'.$LangID]['string_id'] : 'string_id';
- $TableDefinitions['strings_'.$LangID]['string'] = isset($CustomTables['strings_'.$LangID]['string']) ? $CustomTables['strings_'.$LangID]['string'] : 'string';
- } elseif (!empty($CustomTables['strings_'.$LangID])) {
- $TableDefinitions['strings_'.$LangID]['name'] = $CustomTables['strings_'.$LangID];
- }
- return $TableDefinitions;
- }
-
-
- /**
- * New language creation
- *
- * Creates new language in the system.
- * Creates lang entry in the languages table and the table for language strings.
- * If other langs have been created before and their tables were filled with
- * strings, function addTranslation should be executed for each of the added
- * strings just after calling this function and before using the Translation class
- * for any purpose.
- *
- * @param string $LangID Language identifier
- * @param string $LangName Language name - store the language name of the lang,
- * possibly in the language described. This name can be later
- * retrieved by calling getLangName and getOtherLangs methods
- * and used for hyperlinks changing the site language.
- * @param string $METATags Tags that may describe the language codepage etc.
- * These tags can be retrieved by calling getMetaTags method.
- * @param string $pear_DSN PEAR DSN string for database connection
- * @param array $CustomTables Custom table definitions
- * @return mixed Return 1 if everything went OK, a PEAR::DB_Error object if not.
- */
- function createNewLang($LangID, $LangName, $METATags, $pear_DSN, $CustomTables=0)
- {
- $TableDefinitions = setDefaultTableDefinitions($LangID, $CustomTables);
-
- $db = DB::connect($pear_DSN);
- if (DB::isError($db)) {
- return $db;
- }
- $query = sprintf('INSERT INTO %s (%s, %s, %s) VALUES ("%s", "%s", "%s")',
- $TableDefinitions['langsavail']['name'],
- $TableDefinitions['langsavail']['lang_id'],
- $TableDefinitions['langsavail']['lang_name'],
- $TableDefinitions['langsavail']['metatags'],
- addslashes($LangID),
- addslashes($LangName),
- addslashes($METATags)
- );
- $result = $db->query($query);
- if (DB::isError($result)) {
- return $result;
- }
-
- //check if the table already exists
- $exists = false;
- $res = $db->query('SHOW TABLES');
- if (DB::isError($res)) {
- return $res;
- }
- while ($row = $res->fetchRow()) {
- if ($row[0] == 'tr_strings_'.$LangID) {
- $exists = true;
- break;
- }
- }
- if (!$exists) {
- $query = 'CREATE TABLE '. $TableDefinitions['strings_'.$LangID]['name'] .'('
- . $TableDefinitions['strings_'.$LangID]['page_id'] .' VARCHAR(16) default NULL, '
- . $TableDefinitions['strings_'.$LangID]['string_id'].' VARCHAR(32) NOT NULL, '
- . $TableDefinitions['strings_'.$LangID]['string'] .' TEXT, '
- .'UNIQUE KEY page_id ('.$TableDefinitions['strings_'.$LangID]['page_id'].', '
- .$TableDefinitions['strings_'.$LangID]['string_id'].'))';
- $result = $db->query($query);
- if (DB::isError($result)) {
- $query = sprintf('DELETE FROM %s WHERE %s="%s"',
- $TableDefinitions['langsavail']['name'],
- $TableDefinitions['langsavail']['lang_id'],
- addslashes($LangID)
- );
- $delresult = $db->query($query);
- return $result;
- }
- }
- return 1;
- }
-
- /**
- * Language removal
- *
- * Removes language from system.
- * This function should be used carefully - it will permanently remove all the
- * strings that has been added to the language table by dropping this table.
- * If other langs are stored in the table, then only this lang column will be dropped.
- *
- * @param string $LangID Language identifier
- * @param string $pear_DSN PEAR DSN string for database connection
- * @param array $CustomTables Custom table definitions
- * @param boolean $force If true, the table is dropped without checks
- * @return mixed Return 1 if everything went OK, a PEAR::DB_Error object if not.
- */
- function removeLang($LangID, $pear_DSN, $CustomTables=0, $force=false)
- {
- $db = DB::connect($pear_DSN);
- if (DB::isError($db)) {
- return $db;
- }
-
- $TableDefinitions = setDefaultTableDefinitions($LangID, $CustomTables);
-
- if (!$force) {
- //check if other langs are stored in this table
- //'DESCRIBE' == 'SHOW COLUMNS FROM'
- $res = $db->query('DESCRIBE '.$TableDefinitions['strings_'.$LangID]['name']);
- if (DB::isError($res)) {
- return $res;
- }
- if ($res->numRows() > 3) {
- $query = 'ALTER TABLE '. $TableDefinitions['strings_'.$LangID]['name']
- .' DROP COLUMN '. $TableDefinitions['strings_'.$LangID]['string'];
- $res = $db->query('DESCRIBE '.$TableDefinitions['strings_'.$LangID]['name']);
- if (DB::isError($res)) {
- return $res;
- }
- return 1;
- }
- }
-
- $result = $db->query('DROP TABLE '.$TableDefinitions['strings_'.$LangID]['name']);
- if (DB::isError($result)) {
- return $result;
- }
- $query = sprintf('DELETE FROM %s WHERE %s="%s"',
- $TableDefinitions['langsavail']['name'],
- $TableDefinitions['langsavail']['lang_id'],
- $LangID);
- $result = $db->query($query);
- if (DB::isError($result)) {
- return $result;
- }
- return 1;
- }
-
- /**
- * Translation adding
- * Adds string to one or more language tables.
- *
- * @param string $PageID page identifier. Might be "" if the string is to be
- * available from any page, independendly from translation
- * object creation parameters.
- * @param string $StringID string identifier. Must be unique for the same PageID
- * and strings that were created without PageID's.
- * This rule must be respected to prevent ambiguities.
- * @param array $String array of strings - the array keys should be languages id's,
- * the values - the sttrings in these languages - e.g.:
- * ("en"->"English text", "pl"->"Tekst polski", ...)
- * @param string $pear_DSN PEAR DSN string for database connection
- * @param array $CustomTables Custom table definitions
- * @return mixed Return 1 if everything went OK, a PEAR::DB_Error object if not.
- */
- function addTranslation($PageID, $StringID, $String, $pear_DSN, $CustomTables=0)
- {
- $db = DB::connect($pear_DSN);
- if (DB::isError($db)) {
- return $db;
- }
- $TableDefinitions = array();
- $langs = array_keys($String);
- foreach ($langs as $aLang) {
- $TableDefinitions = array_merge_recursive(
- $TableDefinitions,
- setDefaultTableDefinitions($aLang, $CustomTables)
- );
- }
-
- foreach ($String as $LangID => $Text) {
- $data[] = array($TableDefinitions['strings_'.$LangID]['name'], $Text);
- }
- $query = sprintf('INSERT INTO ! (%s, %s, %s) VALUES ("%s", "%s", ?)',
- $TableDefinitions['strings_'.$LangID]['page_id'],
- $TableDefinitions['strings_'.$LangID]['string_id'],
- $TableDefinitions['strings_'.$LangID]['string'],
- addslashes($PageID),
- addslashes($StringID)
- );
- $result = $db->executeMultiple(($db->prepare($query)), $data);
- if (DB::isError($result)) {
- return $result;
- }
- return 1;
- }
-
- /**
- * Translation removal
- *
- * Removes string from all of string tables
- * @param string $PageID page identifier.
- * @param string $StringID string identifier.
- * @param string $pear_DSN PEAR DSN string for database connection
- * @param array $CustomTables Custom table definitions
- * @return mixed Return 1 if everything went OK, a PEAR::DB_Error object if not.
- */
- function removeTranslation($PageID, $StringID, $pear_DSN, $CustomTables=0)
- {
- $db = DB::connect($pear_DSN);
- if (DB::isError($db)) {
- return $db;
- }
-
- $result = $db->query('SELECT '. $TableDefinitions['langsavail']['lang_id']
- .' FROM '. $TableDefinitions['langsavail']['name']);
- if (DB::isError($result)) {
- return $result;
- }
- while ($row = $result->fetchRow()) {
- $languages[] = $row[0];
- }
- $TableDefinitions = array();
- foreach ($langs as $LangID) {
- $TableDefinitions = array_merge_recursive(
- $TableDefinitions,
- setDefaultTableDefinitions($LangID, $CustomTables)
- );
- $query = sprintf('DELETE FROM %s WHERE %s="%s" AND %s="%s"',
- $TableDefinitions['strings_'.$LangID]['name'],
- $TableDefinitions['strings_'.$LangID]['page_id'],
- addslashes($PageID),
- $TableDefinitions['strings_'.$LangID]['string_id'],
- addslashes($StringID)
- );
- $result = $db->query($query);
- if (DB::isError($result)) {
- return $result;
- }
- }
- return 1;
- }
- ?>