/
rcube_template.php
executable file
·1331 lines (1161 loc) · 46 KB
/
rcube_template.php
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<?php
/*
+-----------------------------------------------------------------------+
| program/include/rcube_template.php |
| |
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2006-2011, The Roundcube Dev Team |
| 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
{
private $app;
private $config;
private $pagetitle = '';
private $message = null;
private $js_env = array();
private $js_labels = array();
private $js_commands = array();
private $object_handlers = array();
private $plugin_skin_path;
private $template_name;
public $browser;
public $framed = false;
public $env = array();
public $type = 'html';
public $ajax_call = false;
// deprecated names of templates used before 0.5
private $deprecated_templates = array(
'contact' => 'showcontact',
'contactadd' => 'addcontact',
'contactedit' => 'editcontact',
'identityedit' => 'editidentity',
'messageprint' => 'printmessage',
);
/**
* Constructor
*
* @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();
$this->browser = new rcube_browser();
//$this->framed = $framed;
$this->set_env('task', $task);
$this->set_env('x_frame_options', $this->app->config->get('x_frame_options', 'sameorigin'));
// load the correct skin (in case user-defined)
$this->set_skin($this->config['skin']);
// add common javascripts
$this->add_script('var '.JS_OBJECT_NAME.' = new rcube_webmail();', 'head_top');
// don't wait for page onload. Call init at the bottom of the page (delayed)
$this->add_script(JS_OBJECT_NAME.'.init();', 'docready');
$this->scripts_path = 'program/js/';
$this->include_script('jquery.min.js');
$this->include_script('common.js');
$this->include_script('app.js');
// register common UI objects
$this->add_handlers(array(
'loginform' => array($this, 'login_form'),
'preloader' => array($this, 'preloader'),
'username' => array($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 = $title;
}
/**
* Getter for the current page title
*
* @return string The page title
*/
public function get_pagetitle()
{
if (!empty($this->pagetitle)) {
$title = $this->pagetitle;
}
else if ($this->env['task'] == 'login') {
$title = rcube_label(array('name' => 'welcome', 'vars' => array('product' => $this->config['product_name'])));
}
else {
$title = ucfirst($this->env['task']);
}
return $title;
}
/**
* Set skin
*/
public function set_skin($skin)
{
$valid = false;
if (!empty($skin) && is_dir('skins/'.$skin) && is_readable('skins/'.$skin)) {
$skin_path = 'skins/'.$skin;
$valid = true;
}
else {
$skin_path = $this->config['skin_path'] ? $this->config['skin_path'] : 'skins/default';
$valid = !$skin;
}
$this->app->config->set('skin_path', $skin_path);
$this->config['skin_path'] = $skin_path;
return $valid;
}
/**
* Check if a specific template exists
*
* @param string Template name
* @return boolean True if template exists
*/
public function template_exists($name)
{
$filename = $this->config['skin_path'] . '/templates/' . $name . '.html';
return (is_file($filename) && is_readable($filename)) || ($this->deprecated_templates[$name] && $this->template_exists($this->deprecated_templates[$name]));
}
/**
* Register a template object handler
*
* @param string Object name
* @param string Function name to call
* @return void
*/
public function add_handler($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()
{
$cmd = func_get_args();
if (strpos($cmd[0], 'plugin.') !== false)
$this->js_commands[] = array('triggerEvent', $cmd[0], $cmd[1]);
else
$this->js_commands[] = $cmd;
}
/**
* Add a localized label to the client environment
*/
public function add_label()
{
$args = func_get_args();
if (count($args) == 1 && is_array($args[0]))
$args = $args[0];
foreach ($args as $name) {
$this->js_labels[$name] = rcube_label($name);
}
}
/**
* Invoke display_message command
*
* @param string $message Message to display
* @param string $type Message type [notice|confirm|error]
* @param array $vars Key-value pairs to be replaced in localized text
* @param boolean $override Override last set message
* @param int $timeout Message display time in seconds
* @uses self::command()
*/
public function show_message($message, $type='notice', $vars=null, $override=true, $timeout=0)
{
if ($override || !$this->message) {
if (rcube_label_exists($message)) {
if (!empty($vars))
$vars = array_map('Q', $vars);
$msgtext = rcube_label(array('name' => $message, 'vars' => $vars));
}
else
$msgtext = $message;
$this->message = $message;
$this->command('display_message', $msgtext, $type, $timeout * 1000);
}
}
/**
* Delete all stored env variables and commands
*
* @return void
* @uses rcube_html::reset()
* @uses self::$env
* @uses self::$js_env
* @uses self::$js_commands
* @uses self::$object_handlers
*/
public function reset()
{
$this->env = array();
$this->js_env = array();
$this->js_labels = array();
$this->js_commands = array();
$this->object_handlers = array();
parent::reset();
}
/**
* Redirect to a certain url
*
* @param mixed Either a string with the action or url parameters as key-value pairs
* @see rcmail::url()
*/
public function redirect($p = array())
{
$location = $this->app->url($p);
header('Location: ' . $location);
exit;
}
/**
* Send the request output to the client.
* This will either parse a skin tempalte or send an AJAX response
*
* @param string Template name
* @param boolean True if script should terminate (default)
*/
public function send($templ = null, $exit = true)
{
if ($templ != 'iframe') {
// prevent from endless loops
if ($exit != 'recur' && $this->app->plugins->is_processing('render_page')) {
raise_error(array('code' => 505, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => 'Recursion alert: ignoring output->send()'), true, false);
return;
}
$this->parse($templ, false);
}
else {
$this->framed = $templ == 'iframe' ? true : $this->framed;
$this->write();
}
// set output asap
ob_flush();
flush();
if ($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
$unlock = preg_replace('/[^a-z0-9]/i', '', $_REQUEST['_unlock']);
if ($this->framed) {
array_unshift($this->js_commands, array('set_busy', false, null, $unlock));
}
else if ($unlock) {
array_unshift($this->js_commands, array('hide_message', $unlock));
}
if (!empty($this->script_files))
$this->set_env('request_token', $this->app->get_request_token());
// 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');
// send clickjacking protection headers
$iframe = $this->framed || !empty($_REQUEST['_framed']);
if (!headers_sent() && ($xframe = $this->app->config->get('x_frame_options', 'sameorigin')))
header('X-Frame-Options: ' . ($iframe && $xframe == 'deny' ? 'sameorigin' : $xframe));
// call super method
parent::write($template, $this->config['skin_path']);
}
/**
* Parse a specific skin template and deliver to stdout (or return)
*
* @param string Template name
* @param boolean Exit script
* @param boolean Don't write to stdout, return parsed content instead
*
* @link http://php.net/manual/en/function.exit.php
*/
function parse($name = 'main', $exit = true, $write = true)
{
$skin_path = $this->config['skin_path'];
$plugin = false;
$realname = $name;
$temp = explode('.', $name, 2);
$this->plugin_skin_path = null;
$this->template_name = $realname;
if (count($temp) > 1) {
$plugin = $temp[0];
$name = $temp[1];
$skin_dir = $plugin . '/skins/' . $this->config['skin'];
$skin_path = $this->plugin_skin_path = $this->app->plugins->dir . $skin_dir;
// fallback to default skin
if (!is_dir($skin_path)) {
$skin_dir = $plugin . '/skins/default';
$skin_path = $this->plugin_skin_path = $this->app->plugins->dir . $skin_dir;
}
}
$path = "$skin_path/templates/$name.html";
if (!is_readable($path) && $this->deprecated_templates[$realname]) {
$path = "$skin_path/templates/".$this->deprecated_templates[$realname].".html";
if (is_readable($path))
raise_error(array('code' => 502, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Using deprecated template '".$this->deprecated_templates[$realname]
."' in ".$this->config['skin_path']."/templates. Please rename to '".$realname."'"),
true, false);
}
// read template file
if (($templ = @file_get_contents($path)) === false) {
raise_error(array(
'code' => 501,
'type' => 'php',
'line' => __LINE__,
'file' => __FILE__,
'message' => 'Error loading template for '.$realname
), true, true);
return false;
}
// replace all path references to plugins/... with the configured plugins dir
// and /this/ to the current plugin skin directory
if ($plugin) {
$templ = preg_replace(array('/\bplugins\//', '/(["\']?)\/this\//'), array($this->app->plugins->url, '\\1'.$this->app->plugins->url.$skin_dir.'/'), $templ);
}
// parse for specialtags
$output = $this->parse_conditions($templ);
$output = $this->parse_xml($output);
// trigger generic hook where plugins can put additional content to the page
$hook = $this->app->plugins->exec_hook("render_page", array('template' => $realname, 'content' => $output));
$output = $this->parse_with_globals($hook['content']);
// make sure all <form> tags have a valid request token
$output = preg_replace_callback('/<form\s+([^>]+)>/Ui', array($this, 'alter_form_tag'), $output);
$this->footer = preg_replace_callback('/<form\s+([^>]+)>/Ui', array($this, 'alter_form_tag'), $this->footer);
if ($write) {
// add debug console
if ($realname != 'error' && ($this->config['debug_level'] & 8)) {
$this->add_footer('<div id="console" style="position:absolute;top:5px;left:5px;width:405px;padding:2px;background:white;z-index:9000;display:none">
<a href="#toggle" onclick="con=$(\'#dbgconsole\');con[con.is(\':visible\')?\'hide\':\'show\']();return false">console</a>
<textarea name="console" id="dbgconsole" rows="20" cols="40" wrap="off" style="display:none;width:400px;border:none;font-size:10px" spellcheck="false"></textarea></div>'
);
$this->add_script(
"if (!window.console || !window.console.log) {\n".
" window.console = new rcube_console();\n".
" $('#console').show();\n".
"}", 'foot');
}
$this->write(trim($output));
}
else {
return $output;
}
if ($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";
}
if (!empty($this->js_labels)) {
$this->command('add_label', $this->js_labels);
}
foreach ($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 ? 'if(window.parent && parent.'.JS_OBJECT_NAME.') parent.' : '') . JS_OBJECT_NAME,
preg_replace('/^parent\./', '', $method),
implode(',', $args)
);
}
return $out;
}
/**
* Make URLs starting with a slash point to skin directory
*
* @param string Input string
* @return string
*/
public function abs_url($str)
{
if ($str[0] == '/')
return $this->config['skin_path'] . $str;
else
return $str;
}
/***** Template parsing methods *****/
/**
* Replace all strings ($varname)
* with the content of the according global variable.
*/
private function parse_with_globals($input)
{
$GLOBALS['__version'] = Q(RCMAIL_VERSION);
$GLOBALS['__comm_path'] = Q($this->app->comm_path);
return preg_replace_callback('/\$(__[a-z0-9_\-]+)/',
array($this, 'globals_callback'), $input);
}
/**
* Callback funtion for preg_replace_callback() in parse_with_globals()
*/
private function globals_callback($matches)
{
return $GLOBALS[$matches[1]];
}
/**
* 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+([^>]+)>\n?/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+([^>]+)>\n?/is', $matches[3], 2, PREG_SPLIT_DELIM_CAPTURE);
if ($condmet) {
$result = $submatches[0];
$result.= ($submatches[1] != 'endif' ? preg_replace('/.*<roundcube:endif\s+[^>]+>\n?/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 $input;
}
/**
* Determines if a given condition is met
*
* @todo Get rid off eval() once I understand what this does.
* @todo Extend this to allow real conditions, not just "set"
* @param string Condition statement
* @return boolean True if condition is met, False if not
*/
private function check_condition($condition)
{
return eval("return (".$this->parse_expression($condition).");");
}
/**
* Inserts hidden field with CSRF-prevention-token into POST forms
*/
private function alter_form_tag($matches)
{
$out = $matches[0];
$attrib = parse_attrib_string($matches[1]);
if (strtolower($attrib['method']) == 'post') {
$hidden = new html_hiddenfield(array('name' => '_token', 'value' => $this->app->get_request_token()));
$out .= "\n" . $hidden->show();
}
return $out;
}
/**
* Parses expression and replaces variables
*
* @param string Expression statement
* @return string Expression value
*/
private function parse_expression($expression)
{
return preg_replace(
array(
'/session:([a-z0-9_]+)/i',
'/config:([a-z0-9_]+)(:([a-z0-9_]+))?/i',
'/env:([a-z0-9_]+)/i',
'/request:([a-z0-9_]+)/i',
'/cookie:([a-z0-9_]+)/i',
'/browser:([a-z0-9_]+)/i',
'/template:name/i',
),
array(
"\$_SESSION['\\1']",
"\$this->app->config->get('\\1',get_boolean('\\3'))",
"\$this->env['\\1']",
"get_input_value('\\1', RCUBE_INPUT_GPC)",
"\$_COOKIE['\\1']",
"\$this->browser->{'\\1'}",
$this->template_name,
),
$expression);
}
/**
* Search for special tags in input and replace them
* with the appropriate content
*
* @param string Input string to parse
* @return string Altered input string
* @todo Use DOM-parser to traverse template HTML
* @todo Maybe a cache.
*/
private function parse_xml($input)
{
return preg_replace_callback('/<roundcube:([-_a-z]+)\s+([^>]+)>/Ui', array($this, 'xml_command'), $input);
}
/**
* Callback function for parsing an xml command tag
* and turn it into real html content
*
* @param array Matches array of preg_replace_callback
* @return string Tag/Object content
*/
private function xml_command($matches)
{
$command = strtolower($matches[1]);
$attrib = parse_attrib_string($matches[2]);
// 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']) {
$vars = $attrib + array('product' => $this->config['product_name']);
unset($vars['name'], $vars['command']);
$label = rcube_label($attrib + array('vars' => $vars));
return !$attrib['noshow'] ? (get_boolean((string)$attrib['html']) ? $label : Q($label)) : '';
}
break;
// include a file
case 'include':
if (!$this->plugin_skin_path || !is_file($path = realpath($this->plugin_skin_path . $attrib['file'])))
$path = realpath(($attrib['skin_path'] ? $attrib['skin_path'] : $this->config['skin_path']).$attrib['file']);
if (is_readable($path)) {
if ($this->config['skin_include_php']) {
$incl = $this->include_php($path);
}
else {
$incl = file_get_contents($path);
}
$incl = $this->parse_conditions($incl);
return $this->parse_xml($incl);
}
break;
case 'plugin.include':
$hook = $this->app->plugins->exec_hook("template_plugin_include", $attrib);
return $hook['content'];
break;
// define a container block
case 'container':
if ($attrib['name'] && $attrib['id']) {
$this->command('gui_container', $attrib['name'], $attrib['id']);
// let plugins insert some content here
$hook = $this->app->plugins->exec_hook("template_container", $attrib);
return $hook['content'];
}
break;
// return code for a specific application object
case 'object':
$object = strtolower($attrib['name']);
$content = '';
// we are calling a class/method
if (($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])))
$content = call_user_func($handler, $attrib);
}
// execute object handler function
else if (function_exists($handler)) {
$content = call_user_func($handler, $attrib);
}
else if ($object == 'logo') {
$attrib += array('alt' => $this->xml_command(array('', 'object', 'name="productname"')));
if ($this->config['skin_logo'])
$attrib['src'] = $this->config['skin_logo'];
$content = html::img($attrib);
}
else if ($object == 'productname') {
$name = !empty($this->config['product_name']) ? $this->config['product_name'] : 'Roundcube Webmail';
$content = Q($name);
}
else if ($object == 'version') {
$ver = (string)RCMAIL_VERSION;
if (is_file(INSTALL_PATH . '.svn/entries')) {
if (preg_match('/Revision:\s(\d+)/', @shell_exec('svn info'), $regs))
$ver .= ' [SVN r'.$regs[1].']';
}
$content = Q($ver);
}
else if ($object == 'steptitle') {
$content = Q($this->get_pagetitle());
}
else if ($object == 'pagetitle') {
if (!empty($this->config['devel_mode']) && !empty($_SESSION['username']))
$title = $_SESSION['username'].' :: ';
else if (!empty($this->config['product_name']))
$title = $this->config['product_name'].' :: ';
else
$title = '';
$title .= $this->get_pagetitle();
$content = Q($title);
}
// exec plugin hooks for this template object
$hook = $this->app->plugins->exec_hook("template_object_$object", $attrib + array('content' => $content));
return $hook['content'];
// return code for a specified eval expression
case 'exp':
$value = $this->parse_expression($attrib['expression']);
return eval("return Q($value);");
// 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;
case 'cookie':
$value = htmlspecialchars($_COOKIE[$name]);
break;
case 'browser':
$value = $this->browser->{$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 $out;
}
/**
* Create and register a button
*
* @param array Named button attributes
* @return string HTML button
* @todo Remove all inline JS calls and use jQuery instead.
* @todo Remove all sprintf()'s - they are pretty, but also slow.
*/
public function button($attrib)
{
static $s_button_count = 100;
// these commands can be called directly via url
$a_static_commands = array('compose', 'list', 'preferences', 'folders', 'identities');
if (!($attrib['command'] || $attrib['name'])) {
return '';
}
// try to find out the button type
if ($attrib['type']) {
$attrib['type'] = strtolower($attrib['type']);
}
else {
$attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $attrib['imageact']) ? 'image' : 'link';
}
$command = $attrib['command'];
if ($attrib['task'])
$command = $attrib['task'] . '.' . $command;
if (!$attrib['image']) {
$attrib['image'] = $attrib['imagepas'] ? $attrib['imagepas'] : $attrib['imageact'];
}
if (!$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'], $attrib['domain']));
}
if ($attrib['label']) {
$attrib['label'] = Q(rcube_label($attrib['label'], $attrib['domain']));
}
if ($attrib['alt']) {
$attrib['alt'] = Q(rcube_label($attrib['alt'], $attrib['domain']));
}
// set title to alt attribute for IE browsers
if ($this->browser->ie && !$attrib['title'] && $attrib['alt']) {
$attrib['title'] = $attrib['alt'];
}
// add empty alt attribute for XHTML compatibility
if (!isset($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'] = rcmail_url(null, null, $attrib['command']);
$attrib['onclick'] = sprintf("%s.switch_task('%s');return false", JS_OBJECT_NAME, $attrib['command']);
}
else if ($attrib['task'] && in_array($attrib['task'], rcmail::$main_tasks)) {
$attrib['href'] = rcmail_url($attrib['command'], null, $attrib['task']);
}
else if (in_array($attrib['command'], $a_static_commands)) {
$attrib['href'] = rcmail_url($attrib['command']);
}
else if ($attrib['command'] == 'permaurl' && !empty($this->env['permaurl'])) {
$attrib['href'] = $this->env['permaurl'];
}
}
// overwrite attributes
if (!$attrib['href']) {
$attrib['href'] = '#';
}
if ($attrib['task']) {
if ($attrib['classact'])
$attrib['class'] = $attrib['classact'];
}
else if ($command && !$attrib['onclick']) {
$attrib['onclick'] = sprintf(
"return %s.command('%s','%s',this)",
JS_OBJECT_NAME,
$command,
$attrib['prop']
);
}
$out = '';
// generate image tag
if ($attrib['type']=='image') {
$attrib_str = html::attrib_string(
$attrib,
array(
'style', 'class', 'id', 'width', 'height', 'border', 'hspace',
'vspace', 'align', 'alt', 'tabindex', 'title'
)
);
$btn_content = sprintf('<img src="%s"%s />', $this->abs_url($attrib['image']), $attrib_str);
if ($attrib['label']) {
$btn_content .= ' '.$attrib['label'];
}
$link_attrib = array('href', 'onclick', 'onmouseover', 'onmouseout', 'onmousedown', 'onmouseup', 'target');
}
else if ($attrib['type']=='link') {
$btn_content = isset($attrib['content']) ? $attrib['content'] : ($attrib['label'] ? $attrib['label'] : $attrib['command']);
$link_attrib = array('href', 'onclick', 'title', 'id', 'class', 'style', 'tabindex', 'target');
}
else if ($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', 'tabindex'
)
);
$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