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rcube_template.php
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rcube_template.php
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<?php
/*
+-----------------------------------------------------------------------+
| program/include/rcube_template.php |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2006-2008, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Class to handle HTML page output using a skin template. |
| Extends rcube_html_page class from rcube_shared.inc |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id$
*/
/**
* Class to create HTML page output using a skin template
*
* @package View
* @todo Documentation
* @uses rcube_html_page
*/
class rcube_template extends rcube_html_page
{
var $app;
var $config;
var $task = '';
var $framed = false;
var $pagetitle = '';
var $env = array();
var $js_env = array();
var $js_commands = array();
var $object_handlers = array();
public $ajax_call = false;
/**
* Constructor
*
* @todo Use jQuery's $(document).ready() here.
* @todo Replace $this->config with the real rcube_config object
*/
public function __construct($task, $framed = false)
{
parent::__construct();
$this->app = rcmail::get_instance();
$this->config = $this->app->config->all();
//$this->framed = $framed;
$this->task = $task;
// add common javascripts
$javascript = 'var '.JS_OBJECT_NAME.' = new rcube_webmail();';
// don't wait for page onload. Call init at the bottom of the page (delayed)
$javascript_foot = "if (window.call_init)\n call_init('".JS_OBJECT_NAME."');";
$this->add_script($javascript, 'head_top');
$this->add_script($javascript_foot, 'foot');
$this->scripts_path = 'program/js/';
$this->include_script('common.js');
$this->include_script('app.js');
// register common UI objects
$this->add_handlers(array(
'loginform' => array($this, 'login_form'),
'username' => array($this, 'current_username'),
'message' => array($this, 'message_container'),
'charsetselector' => array($this, 'charset_selector'),
));
}
/**
* Set environment variable
*
* @param string Property name
* @param mixed Property value
* @param boolean True if this property should be added to client environment
*/
public function set_env($name, $value, $addtojs = true)
{
$this->env[$name] = $value;
if ($addtojs || isset($this->js_env[$name])) {
$this->js_env[$name] = $value;
}
}
/**
* Set page title variable
*/
public function set_pagetitle($title)
{
$this->pagetitle = $title;
}
/**
* Register a template object handler
*
* @param string Object name
* @param string Function name to call
* @return void
*/
public function add_handler($obj, $func)
{
$this->object_handlers[$obj] = $func;
}
/**
* Register a list of template object handlers
*
* @param array Hash array with object=>handler pairs
* @return void
*/
public function add_handlers($arr)
{
$this->object_handlers = array_merge($this->object_handlers, $arr);
}
/**
* Register a GUI object to the client script
*
* @param string Object name
* @param string Object ID
* @return void
*/
public function add_gui_object($obj, $id)
{
$this->add_script(JS_OBJECT_NAME.".gui_object('$obj', '$id');");
}
/**
* Call a client method
*
* @param string Method to call
* @param ... Additional arguments
*/
public function command()
{
$this->js_commands[] = func_get_args();
}
/**
* Add a localized label to the client environment
*/
public function add_label()
{
$arg_list = func_get_args();
foreach ($arg_list as $i => $name) {
$this->command('add_label', $name, rcube_label($name));
}
}
/**
* Invoke display_message command
*
* @param string Message to display
* @param string Message type [notice|confirm|error]
* @param array Key-value pairs to be replaced in localized text
* @uses self::command()
*/
public function show_message($message, $type='notice', $vars=NULL)
{
$this->command(
'display_message',
rcube_label(array('name' => $message, 'vars' => $vars)),
$type);
}
/**
* Delete all stored env variables and commands
*
* @return void
* @uses rcube_html::reset()
* @uses self::$env
* @uses self::$js_env
* @uses self::$js_commands
* @uses self::$object_handlers
*/
public public function reset()
{
$this->env = array();
$this->js_env = array();
$this->js_commands = array();
$this->object_handlers = array();
parent::reset();
}
/**
* Send the request output to the client.
* This will either parse a skin tempalte or send an AJAX response
*
* @param string Template name
* @param boolean True if script should terminate (default)
*/
public function send($templ = null, $exit = true)
{
if ($templ != 'iframe') {
$this->parse($templ, false);
}
else {
$this->framed = $templ == 'iframe' ? true : $this->framed;
$this->write();
}
if ($exit) {
exit;
}
}
/**
* Process template and write to stdOut
*
* @param string HTML template
* @see rcube_html_page::write()
* @override
*/
public function write($template = '')
{
// unlock interface after iframe load
if ($this->framed) {
array_unshift($this->js_commands, array('set_busy', false));
}
// write all env variables to client
$js = $this->framed ? "if(window.parent) {\n" : '';
$js .= $this->get_js_commands() . ($this->framed ? ' }' : '');
$this->add_script($js, 'head_top');
// call super method
parent::write($template, $this->config['skin_path']);
}
/**
* Parse a specific skin template and deliver to stdout
*
* Either returns nothing, or exists hard (exit();)
*
* @param string Template name
* @param boolean Exit script
* @return void
* @link http://php.net/manual/en/function.exit.php
*/
private function parse($name = 'main', $exit = true)
{
$skin_path = $this->config['skin_path'];
// read template file
$templ = '';
$path = "$skin_path/templates/$name.html";
if (($fp = fopen($path, 'r')) === false) {
$message = '';
ob_start();
fopen($path, 'r');
$message.= ob_get_contents();
ob_end_clean();
raise_error(array(
'code' => 501,
'type' => 'php',
'line' => __LINE__,
'file' => __FILE__,
'message' => 'Error loading template for '.$name.': '.$message
), true, true);
return false;
}
$templ = fread($fp, filesize($path));
fclose($fp);
// parse for specialtags
$output = $this->parse_conditions($templ);
$output = $this->parse_xml($output);
// add debug console
if ($this->config['debug_level'] & 8) {
$this->add_footer('<div style="position:absolute;top:5px;left:5px;width:400px;padding:0.2em;background:white;opacity:0.8;z-index:9000">
<a href="#toggle" onclick="con=document.getElementById(\'dbgconsole\');con.style.display=(con.style.display==\'none\'?\'block\':\'none\');return false">console</a>
<form action="/" name="debugform"><textarea name="console" id="dbgconsole" rows="20" cols="40" wrap="off" style="display:none;width:400px;border:none;font-size:x-small"></textarea></form></div>'
);
}
$output = $this->parse_with_globals($output);
$this->write(trim($output), $skin_path);
if ($exit) {
exit;
}
}
/**
* Return executable javascript code for all registered commands
*
* @return string $out
*/
private function get_js_commands()
{
$out = '';
if (!$this->framed && !empty($this->js_env)) {
$out .= JS_OBJECT_NAME . '.set_env('.json_serialize($this->js_env).");\n";
}
foreach ($this->js_commands as $i => $args) {
$method = array_shift($args);
foreach ($args as $i => $arg) {
$args[$i] = json_serialize($arg);
}
$parent = $this->framed || preg_match('/^parent\./', $method);
$out .= sprintf(
"%s.%s(%s);\n",
($parent ? 'parent.' : '') . JS_OBJECT_NAME,
preg_replace('/^parent\./', '', $method),
implode(',', $args)
);
}
// add command to set page title
if ($this->ajax_call && !empty($this->pagetitle)) {
$out .= sprintf(
"this.set_pagetitle('%s');\n",
JQ((!empty($this->config['product_name']) ? $this->config['product_name'].' :: ' : '') . $this->pagetitle)
);
}
return $out;
}
/**
* Make URLs starting with a slash point to skin directory
*
* @param string Input string
* @return string
*/
public function abs_url($str)
{
return preg_replace('/^\//', $this->config['skin_path'].'/', $str);
}
/***** Template parsing methods *****/
/**
* Replace all strings ($varname)
* with the content of the according global variable.
*/
private function parse_with_globals($input)
{
$GLOBALS['__comm_path'] = Q($this->app->comm_path);
return preg_replace('/\$(__[a-z0-9_\-]+)/e', '$GLOBALS["\\1"]', $input);
}
/**
* Public wrapper to dipp into template parsing.
*
* @param string $input
* @return string
* @uses rcube_template::parse_xml()
* @since 0.1-rc1
*/
public function just_parse($input)
{
return $this->parse_xml($input);
}
/**
* Parse for conditional tags
*
* @param string $input
* @return string
*/
private function parse_conditions($input)
{
$matches = preg_split('/<roundcube:(if|elseif|else|endif)\s+([^>]+)>/is', $input, 2, PREG_SPLIT_DELIM_CAPTURE);
if ($matches && count($matches) == 4) {
if (preg_match('/^(else|endif)$/i', $matches[1])) {
return $matches[0] . $this->parse_conditions($matches[3]);
}
$attrib = parse_attrib_string($matches[2]);
if (isset($attrib['condition'])) {
$condmet = $this->check_condition($attrib['condition']);
$submatches = preg_split('/<roundcube:(elseif|else|endif)\s+([^>]+)>/is', $matches[3], 2, PREG_SPLIT_DELIM_CAPTURE);
if ($condmet) {
$result = $submatches[0];
$result.= ($submatches[1] != 'endif' ? preg_replace('/.*<roundcube:endif\s+[^>]+>/Uis', '', $submatches[3], 1) : $submatches[3]);
}
else {
$result = "<roundcube:$submatches[1] $submatches[2]>" . $submatches[3];
}
return $matches[0] . $this->parse_conditions($result);
}
raise_error(array(
'code' => 500,
'type' => 'php',
'line' => __LINE__,
'file' => __FILE__,
'message' => "Unable to parse conditional tag " . $matches[2]
), true, false);
}
return $input;
}
/**
* Determines if a given condition is met
*
* @todo Get rid off eval() once I understand what this does.
* @todo Extend this to allow real conditions, not just "set"
* @param string Condition statement
* @return boolean True if condition is met, False is not
*/
private function check_condition($condition)
{
$condition = preg_replace(
array(
'/session:([a-z0-9_]+)/i',
'/config:([a-z0-9_]+)/i',
'/env:([a-z0-9_]+)/i',
'/request:([a-z0-9_]+)/ie'
),
array(
"\$_SESSION['\\1']",
"\$this->config['\\1']",
"\$this->env['\\1']",
"get_input_value('\\1', RCUVE_INPUT_GPC)"
),
$condition);
return eval("return (".$condition.");");
}
/**
* Search for special tags in input and replace them
* with the appropriate content
*
* @param string Input string to parse
* @return string Altered input string
* @todo Maybe a cache.
*/
private function parse_xml($input)
{
return preg_replace('/<roundcube:([-_a-z]+)\s+([^>]+)>/Uie', "\$this->xml_command('\\1', '\\2')", $input);
}
/**
* Convert a xml command tag into real content
*
* @param string Tag command: object,button,label, etc.
* @param string Attribute string
* @return string Tag/Object content
*/
private function xml_command($command, $str_attrib, $add_attrib = array())
{
$command = strtolower($command);
$attrib = parse_attrib_string($str_attrib) + $add_attrib;
// empty output if required condition is not met
if (!empty($attrib['condition']) && !$this->check_condition($attrib['condition'])) {
return '';
}
// execute command
switch ($command) {
// return a button
case 'button':
if ($attrib['name'] || $attrib['command']) {
return $this->button($attrib);
}
break;
// show a label
case 'label':
if ($attrib['name'] || $attrib['command']) {
return Q(rcube_label($attrib + array('vars' => array('product' => $this->config['product_name']))));
}
break;
// include a file
case 'include':
$path = realpath($this->config['skin_path'].$attrib['file']);
if ($fsize = filesize($path)) {
if ($this->config['skin_include_php']) {
$incl = $this->include_php($path);
}
else if ($fp = fopen($path, 'r')) {
$incl = fread($fp, $fsize);
fclose($fp);
}
return $this->parse_xml($incl);
}
break;
case 'plugin.include':
//rcube::tfk_debug(var_export($this->config['skin_path'], true));
$path = realpath($this->config['skin_path'].$attrib['file']);
if (!$path) {
//rcube::tfk_debug("Does not exist:");
//rcube::tfk_debug($this->config['skin_path']);
//rcube::tfk_debug($attrib['file']);
//rcube::tfk_debug($path);
}
$incl = file_get_contents($path);
if ($incl) {
return $this->parse_xml($incl);
}
break;
// return code for a specific application object
case 'object':
$object = strtolower($attrib['name']);
// we are calling a class/method
if (($handler = $this->object_handlers[$object]) && is_array($handler)) {
if ((is_object($handler[0]) && method_exists($handler[0], $handler[1])) ||
(is_string($handler[0]) && class_exists($handler[0])))
return call_user_func($handler, $attrib);
}
else if (function_exists($handler)) {
// execute object handler function
return call_user_func($handler, $attrib);
}
if ($object=='productname') {
$name = !empty($this->config['product_name']) ? $this->config['product_name'] : 'RoundCube Webmail';
return Q($name);
}
if ($object=='version') {
return (string)RCMAIL_VERSION;
}
if ($object=='pagetitle') {
$task = $this->task;
$title = !empty($this->config['product_name']) ? $this->config['product_name'].' :: ' : '';
if (!empty($this->pagetitle)) {
$title .= $this->pagetitle;
}
else if ($task == 'login') {
$title = rcube_label(array('name' => 'welcome', 'vars' => array('product' => $this->config['product_name'])));
}
else {
$title .= ucfirst($task);
}
return Q($title);
}
break;
// return variable
case 'var':
$var = explode(':', $attrib['name']);
$name = $var[1];
$value = '';
switch ($var[0]) {
case 'env':
$value = $this->env[$name];
break;
case 'config':
$value = $this->config[$name];
if (is_array($value) && $value[$_SESSION['imap_host']]) {
$value = $value[$_SESSION['imap_host']];
}
break;
case 'request':
$value = get_input_value($name, RCUBE_INPUT_GPC);
break;
case 'session':
$value = $_SESSION[$name];
break;
}
if (is_array($value)) {
$value = implode(', ', $value);
}
return Q($value);
break;
}
return '';
}
/**
* Include a specific file and return it's contents
*
* @param string File path
* @return string Contents of the processed file
*/
private function include_php($file)
{
ob_start();
include $file;
$out = ob_get_contents();
ob_end_clean();
return $out;
}
/**
* Create and register a button
*
* @param array Named button attributes
* @return string HTML button
* @todo Remove all inline JS calls and use jQuery instead.
* @todo Remove all sprintf()'s - they are pretty, but also slow.
*/
private function button($attrib)
{
static $sa_buttons = array();
static $s_button_count = 100;
// these commands can be called directly via url
$a_static_commands = array('compose', 'list');
if (!($attrib['command'] || $attrib['name'])) {
return '';
}
$browser = new rcube_browser();
// try to find out the button type
if ($attrib['type']) {
$attrib['type'] = strtolower($attrib['type']);
}
else {
$attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $attrib['imageact']) ? 'image' : 'link';
}
$command = $attrib['command'];
// take the button from the stack
if ($attrib['name'] && $sa_buttons[$attrib['name']]) {
$attrib = $sa_buttons[$attrib['name']];
}
else if($attrib['image'] || $attrib['imageact'] || $attrib['imagepas'] || $attrib['class']) {
// add button to button stack
if (!$attrib['name']) {
$attrib['name'] = $command;
}
if (!$attrib['image']) {
$attrib['image'] = $attrib['imagepas'] ? $attrib['imagepas'] : $attrib['imageact'];
}
$sa_buttons[$attrib['name']] = $attrib;
}
else if ($command && $sa_buttons[$command]) {
// get saved button for this command/name
$attrib = $sa_buttons[$command];
}
// set border to 0 because of the link arround the button
if ($attrib['type']=='image' && !isset($attrib['border'])) {
$attrib['border'] = 0;
}
if (!$attrib['id']) {
$attrib['id'] = sprintf('rcmbtn%d', $s_button_count++);
}
// get localized text for labels and titles
if ($attrib['title']) {
$attrib['title'] = Q(rcube_label($attrib['title']));
}
if ($attrib['label']) {
$attrib['label'] = Q(rcube_label($attrib['label']));
}
if ($attrib['alt']) {
$attrib['alt'] = Q(rcube_label($attrib['alt']));
}
// set title to alt attribute for IE browsers
if ($browser->ie && $attrib['title'] && !$attrib['alt']) {
$attrib['alt'] = $attrib['title'];
unset($attrib['title']);
}
// add empty alt attribute for XHTML compatibility
if (!isset($attrib['alt'])) {
$attrib['alt'] = '';
}
// register button in the system
if ($attrib['command']) {
$this->add_script(sprintf(
"%s.register_button('%s', '%s', '%s', '%s', '%s', '%s');",
JS_OBJECT_NAME,
$command,
$attrib['id'],
$attrib['type'],
$attrib['imageact'] ? $this->abs_url($attrib['imageact']) : $attrib['classact'],
$attrib['imagesel'] ? $this->abs_url($attrib['imagesel']) : $attrib['classsel'],
$attrib['imageover'] ? $this->abs_url($attrib['imageover']) : ''
));
// make valid href to specific buttons
if (in_array($attrib['command'], rcmail::$main_tasks)) {
$attrib['href'] = Q(rcmail_url(null, null, $attrib['command']));
}
else if (in_array($attrib['command'], $a_static_commands)) {
$attrib['href'] = Q(rcmail_url($attrib['command']));
}
}
// overwrite attributes
if (!$attrib['href']) {
$attrib['href'] = '#';
}
if ($command) {
$attrib['onclick'] = sprintf(
"return %s.command('%s','%s',this)",
JS_OBJECT_NAME,
$command,
$attrib['prop']
);
}
if ($command && $attrib['imageover']) {
$attrib['onmouseover'] = sprintf(
"return %s.button_over('%s','%s')",
JS_OBJECT_NAME,
$command,
$attrib['id']
);
$attrib['onmouseout'] = sprintf(
"return %s.button_out('%s','%s')",
JS_OBJECT_NAME,
$command,
$attrib['id']
);
}
if ($command && $attrib['imagesel']) {
$attrib['onmousedown'] = sprintf(
"return %s.button_sel('%s','%s')",
JS_OBJECT_NAME,
$command,
$attrib['id']
);
$attrib['onmouseup'] = sprintf(
"return %s.button_out('%s','%s')",
JS_OBJECT_NAME,
$command,
$attrib['id']
);
}
$out = '';
// generate image tag
if ($attrib['type']=='image') {
$attrib_str = html::attrib_string(
$attrib,
array(
'style', 'class', 'id', 'width',
'height', 'border', 'hspace',
'vspace', 'align', 'alt',
)
);
$btn_content = sprintf('<img src="%s"%s />', $this->abs_url($attrib['image']), $attrib_str);
if ($attrib['label']) {
$btn_content .= ' '.$attrib['label'];
}
$link_attrib = array('href', 'onclick', 'onmouseover', 'onmouseout', 'onmousedown', 'onmouseup', 'title');
}
else if ($attrib['type']=='link') {
$btn_content = $attrib['label'] ? $attrib['label'] : $attrib['command'];
$link_attrib = array('href', 'onclick', 'title', 'id', 'class', 'style');
}
else if ($attrib['type']=='input') {
$attrib['type'] = 'button';
if ($attrib['label']) {
$attrib['value'] = $attrib['label'];
}
$attrib_str = html::attrib_string(
$attrib,
array(
'type', 'value', 'onclick',
'id', 'class', 'style'
)
);
$out = sprintf('<input%s disabled="disabled" />', $attrib_str);
}
// generate html code for button
if ($btn_content) {
$attrib_str = html::attrib_string($attrib, $link_attrib);
$out = sprintf('<a%s>%s</a>', $attrib_str, $btn_content);
}
return $out;
}
/* ************* common functions delivering gui objects ************** */
/**
* Create a form tag with the necessary hidden fields
*
* @param array Named tag parameters
* @return string HTML code for the form
*/
public function form_tag($attrib, $content = null)
{
if ($this->framed) {
$hiddenfield = new html_hiddenfield(array('name' => '_framed', 'value' => '1'));
$hidden = $hiddenfield->show();
}
if (!$content)
$attrib['noclose'] = true;
return html::tag('form',
$attrib + array('action' => "./", 'method' => "get"),
$hidden . $content);
}
/**
* GUI object 'username'
* Showing IMAP username of the current session
*
* @param array Named tag parameters (currently not used)
* @return string HTML code for the gui object
*/
public function current_username($attrib)
{
global $USER;
static $username;
// alread fetched
if (!empty($username)) {
return $username;
}
// get e-mail address form default identity
if ($sql_arr = $USER->get_identity()) {
$s_username = $sql_arr['email'];
}
else if (strstr($_SESSION['username'], '@')) {
$username = $_SESSION['username'];
}
else {
$username = $_SESSION['username'].'@'.$_SESSION['imap_host'];
}
return $username;
}
/**
* GUI object 'loginform'
* Returns code for the webmail login form
*
* @param array Named parameters
* @return string HTML code for the gui object
*/
private function login_form($attrib)
{
$default_host = $this->config['default_host'];
$_SESSION['temp'] = true;
$input_user = new html_inputfield(array('name' => '_user', 'id' => 'rcmloginuser', 'size' => 30, 'autocomplete' => 'off'));
$input_pass = new html_passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd', 'size' => 30));
$input_action = new html_hiddenfield(array('name' => '_action', 'value' => 'login'));
$input_host = null;
if (is_array($default_host)) {
$input_host = new html_select(array('name' => '_host', 'id' => 'rcmloginhost'));
foreach ($default_host as $key => $value) {
if (!is_array($value)) {
$input_host->add($value, (is_numeric($key) ? $value : $key));
}
else {
$input_host = null;
break;
}
}
}
else if (!strlen($default_host)) {
$input_host = new html_inputfield(array('name' => '_host', 'id' => 'rcmloginhost', 'size' => 30));
}
$form_name = !empty($attrib['form']) ? $attrib['form'] : 'form';
$this->add_gui_object('loginform', $form_name);
// create HTML table with two cols
$table = new html_table(array('cols' => 2));
$table->add('title', html::label('rcmloginuser', Q(rcube_label('username'))));
$table->add(null, $input_user->show(get_input_value('_user', RCUVE_INPUT_POST)));
$table->add('title', html::label('rcmloginpwd', Q(rcube_label('password'))));
$table->add(null, $input_pass->show());
// add host selection row
if (is_object($input_host)) {
$table->add('title', html::label('rcmloginhost', Q(rcube_label('server'))));
$table->add(null, $input_host->show(get_input_value('_host', RCUVE_INPUT_POST)));
}
$out = $input_action->show();
$out .= $table->show();
// surround html output with a form tag
if (empty($attrib['form'])) {
$out = $this->form_tag(array('name' => $form_name, 'method' => "post"), $out);
}
return $out;
}
/**
* GUI object 'searchform'
* Returns code for search function
*
* @param array Named parameters
* @return string HTML code for the gui object
*/
private function search_form($attrib)
{
// add some labels to client
$this->add_label('searching');
$attrib['name'] = '_q';
if (empty($attrib['id'])) {
$attrib['id'] = 'rcmqsearchbox';
}
$input_q = new html_inputfield($attrib);
$out = $input_q->show();
$this->add_gui_object('qsearchbox', $attrib['id']);
// add form tag around text field
if (empty($attrib['form'])) {
$out = $this->form_tag(array(
'name' => "rcmqsearchform",
'onsubmit' => JS_OBJECT_NAME . ".command('search');return false;",
'style' => "display:inline"),
$out);
}
return $out;
}
/**
* Builder for GUI object 'message'
*
* @param array Named tag parameters
* @return string HTML code for the gui object
*/
private function message_container($attrib)
{
if (isset($attrib['id']) === false) {
$attrib['id'] = 'rcmMessageContainer';
}
$this->add_gui_object('message', $attrib['id']);
return html::div($attrib, "");
}
/**
* GUI object 'charsetselector'
*
* @param array Named parameters for the select tag
* @return string HTML code for the gui object
*/
static function charset_selector($attrib)
{
// pass the following attributes to the form class
$field_attrib = array('name' => '_charset');
foreach ($attrib as $attr => $value) {
if (in_array($attr, array('id', 'class', 'style', 'size', 'tabindex'))) {
$field_attrib[$attr] = $value;
}
}
$charsets = array(
'US-ASCII' => 'ASCII (English)',
'EUC-JP' => 'EUC-JP (Japanese)',
'EUC-KR' => 'EUC-KR (Korean)',
'BIG5' => 'BIG5 (Chinese)',
'GB2312' => 'GB2312 (Chinese)',
'ISO-2022-JP' => 'ISO-2022-JP (Japanese)',
'ISO-8859-1' => 'ISO-8859-1 (Latin-1)',
'ISO-8859-2' => 'ISO-8895-2 (Central European)',
'ISO-8859-7' => 'ISO-8859-7 (Greek)',
'ISO-8859-9' => 'ISO-8859-9 (Turkish)',
'Windows-1251' => 'Windows-1251 (Cyrillic)',
'Windows-1252' => 'Windows-1252 (Western)',
'Windows-1255' => 'Windows-1255 (Hebrew)',
'Windows-1256' => 'Windows-1256 (Arabic)',
'Windows-1257' => 'Windows-1257 (Baltic)',
'UTF-8' => 'UTF-8'
);
$select = new html_select($field_attrib);
$select->add(array_values($charsets), array_keys($charsets));
$set = $_POST['_charset'] ? $_POST['_charset'] : $this->get_charset();
return $select->show($set);
}
} // end class rcube_template

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