acp_language.php

这些都是我以前学习是用到的源码

<?php
/** 
*
* @package acp
* @version $Id: acp_language.php,v 1.34 2006/11/15 15:34:32 acydburn Exp $
* @copyright (c) 2005 phpBB Group 
* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
*
*/

/**
* @package acp
*/
class acp_language
{
	var $u_action;
	var $main_files;
	var $language_header = '';
	var $lang_header = '';

	var $language_file = '';
	var $language_directory = '';

	function main($id, $mode)
	{
		global $config, $db, $user, $auth, $template, $cache;
		global $phpbb_root_path, $phpbb_admin_path, $phpEx, $table_prefix;
		global $safe_mode, $file_uploads;

		include_once($phpbb_root_path . 'includes/functions_user.' . $phpEx);

		$this->default_variables();

		// Check and set some common vars
		$action		= request_var('action', '');

		$action		= (isset($_POST['update_details'])) ? 'update_details' : $action;
		$action		= (isset($_POST['download_file'])) ? 'download_file' : $action;
		$action		= (isset($_POST['upload_file'])) ? 'upload_file' : $action;
		$action		= (isset($_POST['upload_data'])) ? 'upload_data' : $action;
		$action		= (isset($_POST['submit_file'])) ? 'submit_file' : $action;
		$action		= (isset($_POST['remove_store'])) ? 'details' : $action;

		$lang_id = request_var('id', 0);
		if (isset($_POST['missing_file']))
		{
			$missing_file = request_var('missing_file', array('' => 0));
			list($_REQUEST['language_file'], ) = array_keys($missing_file);
		}

		$selected_lang_file = request_var('language_file', '|common.' . $phpEx);

		list($this->language_directory, $this->language_file) = explode('|', $selected_lang_file);

		$this->language_directory = basename($this->language_directory);
		$this->language_file = basename($this->language_file);

		$user->add_lang('acp/language');
		$this->tpl_name = 'acp_language';
		$this->page_title = 'ACP_LANGUAGE_PACKS';

		if ($action == 'upload_data' && request_var('test_connection', ''))
		{
			$test_connection = false;
			$action = 'upload_file';
			$method = request_var('method', '');

			include_once($phpbb_root_path . 'includes/functions_transfer.' . $phpEx);

			switch ($method)
			{
				case 'ftp':
					$transfer = new ftp(request_var('host', ''), request_var('username', ''), request_var('password', ''), request_var('root_path', ''), request_var('port', ''), request_var('timeout', ''));
				break;

				case 'ftp_fsock':
					$transfer = new ftp_fsock(request_var('host', ''), request_var('username', ''), request_var('password', ''), request_var('root_path', ''), request_var('port', ''), request_var('timeout', ''));
				break;

				default:
					trigger_error($user->lang['INVALID_UPLOAD_METHOD'], E_USER_ERROR);
				break;
			}

			$test_connection = $transfer->open_session();
			$transfer->close_session();
		}

		switch ($action)
		{
			case 'upload_file':
				include_once($phpbb_root_path . 'includes/functions_transfer.' . $phpEx);

				$method = request_var('method', '');

				$requested_data = call_user_func(array($method, 'data'));
				foreach ($requested_data as $data => $default)
				{
					$template->assign_block_vars('data', array(
						'DATA'		=> $data,
						'NAME'		=> $user->lang[strtoupper($method . '_' . $data)],
						'EXPLAIN'	=> $user->lang[strtoupper($method . '_' . $data) . '_EXPLAIN'],
						'DEFAULT'	=> (!empty($_REQUEST[$data])) ? request_var($data, '') : $default
					));
				}

				$hidden_data = build_hidden_fields(array(
					'file'		=> $this->language_file,
					'dir'		=> $this->language_directory,
					'method'	=> $method)
				);

				$hidden_data .= build_hidden_fields(array('entry' => $_POST['entry']), true, STRIP);

				$template->assign_vars(array(
					'S_UPLOAD'	=> true,
					'NAME'		=> $method,
					'U_ACTION'	=> $this->u_action . "&amp;id=$lang_id&amp;action=upload_data",
					'HIDDEN'	=> $hidden_data,

					'S_CONNECTION_SUCCESS'		=> (request_var('test_connection', '') && $test_connection === true) ? true : false,
					'S_CONNECTION_FAILED'		=> (request_var('test_connection', '') && $test_connection !== true) ? true : false
				));
			break;

			case 'update_details':

				if (!$lang_id)
				{
					trigger_error($user->lang['NO_LANG_ID'] . adm_back_link($this->u_action), E_USER_WARNING);
				}

				$sql = 'SELECT *
					FROM ' . LANG_TABLE . "
					WHERE lang_id = $lang_id";
				$result = $db->sql_query($sql);
				$row = $db->sql_fetchrow($result);
				$db->sql_freeresult($result);

				$sql_ary	= array(
					'lang_english_name'		=> request_var('lang_english_name', $row['lang_english_name']),
					'lang_local_name'		=> request_var('lang_local_name', $row['lang_local_name'], true),
					'lang_author'			=> request_var('lang_author', $row['lang_author'], true),
				);

				$db->sql_query('UPDATE ' . LANG_TABLE . ' 
					SET ' . $db->sql_build_array('UPDATE', $sql_ary) . '
					WHERE lang_id = ' . $lang_id);
					
				add_log('admin', 'LOG_LANGUAGE_PACK_UPDATED', $sql_ary['lang_english_name']);

				trigger_error($user->lang['LANGUAGE_DETAILS_UPDATED'] . adm_back_link($this->u_action));
			break;

			case 'submit_file':
			case 'download_file':
			case 'upload_data':

				if (!$lang_id || empty($_POST['entry']))
				{
					trigger_error($user->lang['NO_LANG_ID'] . adm_back_link($this->u_action), E_USER_WARNING);
				}

				if (!$this->language_file || (!$this->language_directory && !in_array($this->language_file, $this->main_files)))
				{
					trigger_error($user->lang['NO_FILE_SELECTED'] . adm_back_link($this->u_action), E_USER_WARNING);
				}

				$sql = 'SELECT *
					FROM ' . LANG_TABLE . "
					WHERE lang_id = $lang_id";
				$result = $db->sql_query($sql);
				$row = $db->sql_fetchrow($result);
				$db->sql_freeresult($result);

				if (!$safe_mode)
				{
					$mkdir_ary = array('language', 'language/' . $row['lang_iso']);
					
					if ($this->language_directory)
					{
						$mkdir_ary[] = 'language/' . $row['lang_iso'] . '/' . $this->language_directory;
					}
				
					foreach ($mkdir_ary as $dir)
					{
						$dir = $phpbb_root_path . 'store/' . $dir;
			
						if (!is_dir($dir))
						{
							if (!@mkdir($dir, 0777))
							{
								trigger_error("Could not create directory $dir", E_USER_ERROR);
							}
							@chmod($dir, 0777);
						}
					}
				}

				// Get target filename for storage folder
				$filename = $this->get_filename($row['lang_iso'], $this->language_directory, $this->language_file, true, true);
				$fp = fopen($phpbb_root_path . $filename, 'wb');

				if (!$fp)
				{
					trigger_error(sprintf($user->lang['UNABLE_TO_WRITE_FILE'], $filename) . adm_back_link($this->u_action . '&amp;id=' . $lang_id . '&amp;language_file=' . urlencode($selected_lang_file)), E_USER_WARNING);
				}

				if ($this->language_directory == 'email')
				{
					// Email Template
					$entry = $this->prepare_lang_entry($_POST['entry'], false);
					fwrite($fp, $entry);
				}
				else
				{
					$name = (($this->language_directory) ? $this->language_directory . '_' : '') . $this->language_file;
					$header = str_replace(array('{FILENAME}', '{LANG_NAME}', '{CHANGED}', '{AUTHOR}'), array($name, $row['lang_english_name'], date('Y-m-d', time()), $row['lang_author']), $this->language_file_header);

					if (strpos($this->language_file, 'help_') === 0)
					{
						// Help File
						$header .= '$help = array(' . "\n";
						fwrite($fp, $header);

						foreach ($_POST['entry'] as $key => $value)
						{
							if (!is_array($value))
							{
								continue;
							}

							$entry = "\tarray(\n";
							
							foreach ($value as $_key => $_value)
							{
								$entry .= "\t\t" . (int) $_key . "\t=> '" . $this->prepare_lang_entry($_value) . "',\n";
							}

							$entry .= "\t),\n";
							fwrite($fp, $entry);
						}
					}
					else
					{
						// Language File
						$header .= $this->lang_header;
						fwrite($fp, $header);

						foreach ($_POST['entry'] as $key => $value)
						{
							$entry = $this->format_lang_array($key, $value);
							fwrite($fp, $entry);
						}
					}

					$footer = "));\n\n?>";
					fwrite($fp, $footer);
				}

				fclose($fp);

				if ($action == 'download_file')
				{
					header('Pragma: no-cache');
					header('Content-Type: application/octetstream; name="' . $this->language_file . '"');
					header('Content-disposition: attachment; filename=' . $this->language_file);

					$fp = fopen($phpbb_root_path . $filename, 'rb');
					while ($buffer = fread($fp, 1024))
					{
						echo $buffer;
					}
					fclose($fp);
					
					exit;
				}
				else if ($action == 'upload_data')
				{
					$sql = 'SELECT lang_iso
						FROM ' . LANG_TABLE . "
						WHERE lang_id = $lang_id";
					$result = $db->sql_query($sql);
					$row = $db->sql_fetchrow($result);
					$db->sql_freeresult($result);

					$file = request_var('file', '');
					$dir = request_var('dir', '');

					$selected_lang_file = $dir . '|' . $file;

					$old_file = '/' . $this->get_filename($row['lang_iso'], $dir, $file, false, true);
					$lang_path = 'language/' . $row['lang_iso'] . '/' . (($dir) ? $dir . '/' : '');

					include_once($phpbb_root_path . 'includes/functions_transfer.' . $phpEx);
					$method = request_var('method', '');

					switch ($method)
					{
						case 'ftp':
							$transfer = new ftp(request_var('host', ''), request_var('username', ''), request_var('password', ''), request_var('root_path', ''), request_var('port', ''), request_var('timeout', ''));
						break;

						case 'ftp_fsock':
							$transfer = new ftp_fsock(request_var('host', ''), request_var('username', ''), request_var('password', ''), request_var('root_path', ''), request_var('port', ''), request_var('timeout', ''));
						break;

						default:
							trigger_error($user->lang['INVALID_UPLOAD_METHOD'], E_USER_ERROR);
						break;
					}

					if (($result = $transfer->open_session()) !== true)
					{
						trigger_error($user->lang[$result] . adm_back_link($this->u_action . '&amp;action=details&amp;id=' . $lang_id . '&amp;language_file=' . urlencode($selected_lang_file)), E_USER_WARNING);
					}

					$transfer->rename($lang_path . $file, $lang_path . $file . '.bak');
					$transfer->copy_file('store/' . $lang_path . $file, $lang_path . $file);
					$transfer->close_session();

					// Remove from storage folder
					@unlink($phpbb_root_path . 'store/' . $lang_path . $file);

					add_log('admin', 'LOG_LANGUAGE_FILE_REPLACED', $file);

					trigger_error($user->lang['UPLOAD_COMPLETED'] . adm_back_link($this->u_action . '&amp;action=details&amp;id=' . $lang_id . '&amp;language_file=' . urlencode($selected_lang_file)));
				}
			
				$action = 'details';

			// no break;

			case 'details':

				if (!$lang_id)
				{
					trigger_error($user->lang['NO_LANG_ID'] . adm_back_link($this->u_action), E_USER_WARNING);
				}
				
				$this->page_title = 'LANGUAGE_PACK_DETAILS';

				$sql = 'SELECT *
					FROM ' . LANG_TABLE . '
					WHERE lang_id = ' . $lang_id;
				$result = $db->sql_query($sql);
				$lang_entries = $db->sql_fetchrow($result);
				$db->sql_freeresult($result);
				
				$lang_iso = $lang_entries['lang_iso'];
				$missing_vars = $missing_files = array();

				// Get email templates
				$email_files = filelist($phpbb_root_path . 'language/' . $config['default_lang'], 'email', 'txt');
				$email_files = $email_files['email/'];

				// Get acp files
				$acp_files = filelist($phpbb_root_path . 'language/' . $config['default_lang'], 'acp', $phpEx);
				$acp_files = $acp_files['acp/'];

				// Get mod files
				$mods_files = filelist($phpbb_root_path . 'language/' . $config['default_lang'], 'mods', $phpEx);
				$mods_files = (isset($mods_files['mods/'])) ? $mods_files['mods/'] : array();

				// Check if our current filename matches the files
				switch ($this->language_directory)
				{
					case 'email':
						if (!in_array($this->language_file, $email_files))
						{
							trigger_error($user->lang['WRONG_LANGUAGE_FILE'] . adm_back_link($this->u_action . '&amp;action=details&amp;id=' . $lang_id), E_USER_WARNING);
						}
					break;

					case 'acp':
						if (!in_array($this->language_file, $acp_files))
						{
							trigger_error($user->lang['WRONG_LANGUAGE_FILE'] . adm_back_link($this->u_action . '&amp;action=details&amp;id=' . $lang_id), E_USER_WARNING);
						}
					break;

					case 'mods':
						if (!in_array($this->language_file, $mods_files))
						{
							trigger_error($user->lang['WRONG_LANGUAGE_FILE'] . adm_back_link($this->u_action . '&amp;action=details&amp;id=' . $lang_id), E_USER_WARNING);
						}
					break;

					default:
						if (!in_array($this->language_file, $this->main_files))
						{
							trigger_error($user->lang['WRONG_LANGUAGE_FILE'] . adm_back_link($this->u_action . '&amp;action=details&amp;id=' . $lang_id), E_USER_WARNING);
						}
				}
				
				if (isset($_POST['remove_store']))
				{
					$store_filename = $this->get_filename($lang_iso, $this->language_directory, $this->language_file, true, true);
					@unlink($phpbb_root_path . $store_filename);
				}

				include_once($phpbb_root_path . 'includes/functions_transfer.' . $phpEx);

				$methods = transfer::methods();

				foreach ($methods as $method)
				{
					$template->assign_block_vars('buttons', array(
						'VALUE' => $method
					));
				}

				$template->assign_vars(array(
					'S_DETAILS'			=> true,
					'U_ACTION'			=> $this->u_action . "&amp;action=details&amp;id=$lang_id",
					'U_BACK'			=> $this->u_action,
					'LANG_LOCAL_NAME'	=> $lang_entries['lang_local_name'],
					'LANG_ENGLISH_NAME'	=> $lang_entries['lang_english_name'],
					'LANG_ISO'			=> $lang_entries['lang_iso'],
					'LANG_AUTHOR'		=> $lang_entries['lang_author'],
					'ALLOW_UPLOAD'		=> sizeof($methods)
					)
				);

				// If current lang is different from the default lang, then first try to grab missing/additional vars