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631 lines
18 KiB
PHP
631 lines
18 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| program/include/rcmail_template.inc |
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| |
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| This file is part of the RoundCube Webmail client |
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| Copyright (C) 2007, RoundCube Dev. - Switzerland |
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| Licensed under the GNU GPL |
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| |
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| PURPOSE: |
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| Class to handle HTML page output using a skin template. |
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| Extends rcube_html_page class from rcube_shared.inc |
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| |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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+-----------------------------------------------------------------------+
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$Id: $
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*/
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require_once('include/rcube_shared.inc');
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class rcmail_template extends rcube_html_page
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{
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var $config;
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var $task = '';
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var $framed = false;
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var $ajax_call = false;
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var $pagetitle = '';
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var $env = array();
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var $js_env = array();
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var $js_commands = array();
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var $object_handlers = array();
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// PHP 5 constructor
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function __construct(&$config, $task)
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{
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parent::__construct();
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$this->task = $task;
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$this->config = $config;
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$this->ajax_call = !empty($_GET['_remote']) || !empty($_POST['_remote']);
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// add common javascripts
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if (!$this->ajax_call)
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{
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$javascript = "var ".JS_OBJECT_NAME." = new rcube_webmail();";
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// don't wait for page onload. Call init at the bottom of the page (delayed)
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$javascript_foot = "if (window.call_init)\n call_init('".JS_OBJECT_NAME."');";
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$this->add_script($javascript, 'head_top');
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$this->add_script($javascript_foot, 'foot');
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$this->scripts_path = 'program/js/';
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$this->include_script('common.js');
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$this->include_script('app.js');
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}
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}
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// PHP 4 compatibility
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function rcmail_template(&$config, $task)
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{
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$this->__construct($config, $task);
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}
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/**
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* Set environment variable
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*/
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function set_env($name, $value, $addtojs=true)
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{
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$this->env[$name] = $value;
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if ($addtojs || isset($this->js_env[$name]))
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$this->js_env[$name] = $value;
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}
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/**
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* Set page title variable
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*/
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function set_pagetitle($title)
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{
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$this->pagetitle = $title;
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}
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/**
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* Register a template object handler
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*
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* @param string Object name
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* @param string Function name to call
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*/
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function add_handler($obj, $func)
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{
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$this->object_handlers[$obj] = $func;
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}
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/**
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* Register a list of template object handlers
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*
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* @param array Hash array with object=>handler pairs
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*/
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function add_handlers($arr)
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{
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$this->object_handlers = array_merge($this->object_handlers, $arr);
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}
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/**
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* Register a GUI object to the client script
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*
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* @param string Object name
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* @param string Object ID
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*/
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function add_gui_object($obj, $id)
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{
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$this->add_script(JS_OBJECT_NAME.".gui_object('$obj', '$id');");
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}
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/**
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* Call a client method
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*
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* @param string Method to call
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* @param ... Additional arguments
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*/
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function command()
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{
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$this->js_commands[] = func_get_args();
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}
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/**
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* Invoke display_message command
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*/
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function show_message($message, $type='notice', $vars=NULL)
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{
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$this->command(
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'display_message',
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rcube_label(array('name' => $message, 'vars' => $vars)),
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$type);
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}
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/**
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* Delete all stored env variables and commands
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*/
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function reset()
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{
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$this->env = array();
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$this->js_env = array();
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$this->js_commands = array();
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$this->object_handlers = array();
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parent::reset();
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}
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/**
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* Send the request output to the client.
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* This will either parse a skin tempalte or send an AJAX response
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*
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* @param string Template name
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* @param boolean True if script should terminate (default)
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*/
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function send($templ=null, $exit=true)
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{
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if ($this->ajax_call)
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$this->remote_response('', !$exit);
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else if ($templ != 'iframe')
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$this->parse($templ, false);
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else
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{
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$this->framed = $templ == 'iframe' ? true : $this->framed;
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$this->write();
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}
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if ($exit)
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exit;
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}
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/**
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* Send an AJAX response with executable JS code
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*
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* @param string Additional JS code
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* @param boolean True if output buffer should be flushed
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*/
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function remote_response($add='', $flush=false)
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{
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static $s_header_sent = FALSE;
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if (!$s_header_sent)
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{
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$s_header_sent = TRUE;
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send_nocacheing_headers();
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header('Content-Type: application/x-javascript; charset='.RCMAIL_CHARSET);
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print '/** ajax response ['.date('d/M/Y h:i:s O')."] **/\n";
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}
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// unset default env vars
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unset($this->js_env['task'], $this->js_env['action'], $this->js_env['comm_path']);
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// send response code
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print rcube_charset_convert($this->get_js_commands() . $add, RCMAIL_CHARSET, $this->get_charset());
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if ($flush) // flush the output buffer
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flush();
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}
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/**
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* @override
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*/
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function write($template='')
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{
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// write all env variables to client
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$js = $this->framed ? "if(window.parent) {\n" : '';
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$js .= $this->get_js_commands() . ($this->framed ? ' }' : '');
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$this->add_script($js, 'head_top');
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// call super method
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parent::write($template, $this->config['skin_path']);
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}
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/**
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* Parse a specific skin template and deliver to stdout
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*
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* @param string Template name
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* @param boolean Exit script
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*/
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function parse($name='main', $exit=true)
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{
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$skin_path = $this->config['skin_path'];
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// read template file
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$templ = '';
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$path = "$skin_path/templates/$name.html";
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if($fp = @fopen($path, 'r'))
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{
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$templ = fread($fp, filesize($path));
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fclose($fp);
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}
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else
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{
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raise_error(array(
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'code' => 501,
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'type' => 'php',
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'line' => __LINE__,
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'file' => __FILE__,
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'message' => "Error loading template for '$name'"), TRUE, TRUE);
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return FALSE;
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}
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// parse for specialtags
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$output = $this->parse_xml($this->parse_conditions($templ));
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// add debug console
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if ($this->config['debug_level'] & 8)
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$this->add_footer('<div style="position:absolute;top:5px;left:5px;width:400px;padding:0.2em;background:white;opacity:0.8;z-index:9000">
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<a href="#toggle" onclick="con=document.getElementById(\'dbgconsole\');con.style.display=(con.style.display==\'none\'?\'block\':\'none\');return false">console</a>
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<form action="/" name="debugform"><textarea name="console" id="dbgconsole" rows="20" cols="40" wrap="off" style="display:none;width:400px;border:none;font-size:x-small"></textarea></form></div>');
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$this->write(trim($this->parse_with_globals($output)), $skin_path);
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if ($exit)
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exit;
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}
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/**
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* Return executable javascript code for all registered commands
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* @private
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*/
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function get_js_commands()
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{
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$out = '';
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if (!$this->framed)
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$out .= ($this->ajax_call ? 'this' : JS_OBJECT_NAME) . '.set_env('.json_serialize($this->js_env).");\n";
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foreach ($this->js_commands as $i => $args)
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{
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$method = array_shift($args);
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foreach ($args as $i => $arg)
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$args[$i] = json_serialize($arg);
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$parent = $this->framed || preg_match('/^parent\./', $method);
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$out .= sprintf(
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"%s.%s(%s);\n",
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$this->ajax_call ? 'this' : ($parent ? 'parent.' : '') . JS_OBJECT_NAME,
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preg_replace('/^parent\./', '', $method),
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join(',', $args));
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}
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return $out;
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}
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/**
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* Make URLs starting with a slash point to skin directory
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*/
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function abs_url($str)
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{
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return preg_replace('/^\//', $this->config['skin_path'].'/', $str);
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}
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/***** Template parsing methods *****/
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/**
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* Replace all strings ($varname) with the content
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* of the according global variable.
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*/
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function parse_with_globals($input)
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{
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$GLOBALS['__comm_path'] = $GLOBALS['COMM_PATH'];
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return preg_replace('/\$(__[a-z0-9_\-]+)/e', '$GLOBALS["\\1"]', $input);
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}
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/**
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* Parse for conditional tags
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*/
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function parse_conditions($input)
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{
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if (($matches = preg_split('/<roundcube:(if|elseif|else|endif)\s+([^>]+)>/is', $input, 2, PREG_SPLIT_DELIM_CAPTURE)) && count($matches)==4)
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{
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if (preg_match('/^(else|endif)$/i', $matches[1]))
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return $matches[0] . $this->parse_conditions($matches[3]);
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else
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{
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$attrib = parse_attrib_string($matches[2]);
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if (isset($attrib['condition']))
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{
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$condmet = $this->check_condition($attrib['condition']);
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$submatches = preg_split('/<roundcube:(elseif|else|endif)\s+([^>]+)>/is', $matches[3], 2, PREG_SPLIT_DELIM_CAPTURE);
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if ($condmet)
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$result = $submatches[0] . ($submatches[1] != 'endif' ? preg_replace('/.*<roundcube:endif\s+[^>]+>/Uis', '', $submatches[3], 1) : $submatches[3]);
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else
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$result = "<roundcube:$submatches[1] $submatches[2]>" . $submatches[3];
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return $matches[0] . $this->parse_conditions($result);
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}
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else
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{
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raise_error(array('code' => 500, 'type' => 'php', 'line' => __LINE__, 'file' => __FILE__,
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'message' => "Unable to parse conditional tag " . $matches[2]), TRUE, FALSE);
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}
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}
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}
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return $input;
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}
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/**
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* Determines if a given condition is met
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*
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* @return True if condition is valid, False is not
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*/
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function check_condition($condition)
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{
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$condition = preg_replace(
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array('/session:([a-z0-9_]+)/i', '/config:([a-z0-9_]+)/i', '/env:([a-z0-9_]+)/i', '/request:([a-z0-9_]+)/ie'),
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array("\$_SESSION['\\1']", "\$this->config['\\1']", "\$this->env['\\1']", "get_input_value('\\1', RCUBE_INPUT_GPC)"),
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$condition);
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return @eval("return (".$condition.");");
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}
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/**
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* Search for special tags in input and replace them
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* with the appropriate content
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*
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* @param string Input string to parse
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* @return Altered input string
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*/
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function parse_xml($input)
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{
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return preg_replace('/<roundcube:([-_a-z]+)\s+([^>]+)>/Uie', "\$this->xml_command('\\1', '\\2')", $input);
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}
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/**
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* Convert a xml command tag into real content
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*
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* @param string Tag command: object,button,label, etc.
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* @param string Attribute string
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* @return Tag/Object content string
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*/
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function xml_command($command, $str_attrib, $add_attrib=array())
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{
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$command = strtolower($command);
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$attrib = parse_attrib_string($str_attrib) + $add_attrib;
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// empty output if required condition is not met
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if (!empty($attrib['condition']) && !$this->check_condition($attrib['condition']))
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return '';
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|
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// execute command
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switch ($command)
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{
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// return a button
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case 'button':
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if ($attrib['command'])
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return $this->button($attrib);
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break;
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// show a label
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case 'label':
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if ($attrib['name'] || $attrib['command'])
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return Q(rcube_label($attrib + array('vars' => array('product' => $this->config['product_name']))));
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break;
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// include a file
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case 'include':
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$path = realpath($this->config['skin_path'].$attrib['file']);
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if ($fp = @fopen($path, 'r'))
|
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{
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$incl = fread($fp, filesize($path));
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fclose($fp);
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return $this->parse_xml($incl);
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}
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break;
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|
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// return code for a specific application object
|
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case 'object':
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$object = strtolower($attrib['name']);
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// execute object handler function
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if ($this->object_handlers[$object] && function_exists($this->object_handlers[$object]))
|
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return call_user_func($this->object_handlers[$object], $attrib);
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else if ($object=='productname')
|
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{
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$name = !empty($this->config['product_name']) ? $this->config['product_name'] : 'RoundCube Webmail';
|
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return Q($name);
|
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}
|
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else if ($object=='version')
|
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{
|
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return (string)RCMAIL_VERSION;
|
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}
|
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else if ($object=='pagetitle')
|
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{
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$task = $this->task;
|
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$title = !empty($this->config['product_name']) ? $this->config['product_name'].' :: ' : '';
|
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|
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if (!empty($this->pagetitle))
|
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$title .= $this->pagetitle;
|
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else if ($task == 'login')
|
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$title = rcube_label(array('name' => 'welcome', 'vars' => array('product' => $this->config['product_name'])));
|
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else
|
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$title .= ucfirst($task);
|
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|
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return Q($title);
|
|
}
|
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|
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break;
|
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}
|
|
|
|
return '';
|
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}
|
|
|
|
|
|
/**
|
|
* Create and register a button
|
|
*
|
|
* @param array Button attributes
|
|
* @return HTML button
|
|
*/
|
|
function button($attrib)
|
|
{
|
|
global $CONFIG, $OUTPUT, $BROWSER, $MAIN_TASKS;
|
|
static $sa_buttons = array();
|
|
static $s_button_count = 100;
|
|
|
|
// these commands can be called directly via url
|
|
$a_static_commands = array('compose', 'list');
|
|
|
|
$skin_path = $this->config['skin_path'];
|
|
|
|
if (!($attrib['command'] || $attrib['name']))
|
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return '';
|
|
|
|
// try to find out the button type
|
|
if ($attrib['type'])
|
|
$attrib['type'] = strtolower($attrib['type']);
|
|
else
|
|
$attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $attrib['imageact']) ? 'image' : 'link';
|
|
|
|
$command = $attrib['command'];
|
|
|
|
// take the button from the stack
|
|
if($attrib['name'] && $sa_buttons[$attrib['name']])
|
|
$attrib = $sa_buttons[$attrib['name']];
|
|
|
|
// add button to button stack
|
|
else if($attrib['image'] || $attrib['imageact'] || $attrib['imagepas'] || $attrib['class'])
|
|
{
|
|
if (!$attrib['name'])
|
|
$attrib['name'] = $command;
|
|
|
|
if (!$attrib['image'])
|
|
$attrib['image'] = $attrib['imagepas'] ? $attrib['imagepas'] : $attrib['imageact'];
|
|
|
|
$sa_buttons[$attrib['name']] = $attrib;
|
|
}
|
|
|
|
// get saved button for this command/name
|
|
else if ($command && $sa_buttons[$command])
|
|
$attrib = $sa_buttons[$command];
|
|
|
|
//else
|
|
// return '';
|
|
|
|
|
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// 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'] ? $skin_path.$attrib['imageact'] : $attrib['classact'],
|
|
$attrib['imagesel'] ? $skin_path.$attrib['imagesel'] : $attrib['classsel'],
|
|
$attrib['imageover'] ? $skin_path.$attrib['imageover'] : '')
|
|
);
|
|
|
|
// make valid href to specific buttons
|
|
if (in_array($attrib['command'], $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')
|
|
{
|
|
$attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'width', 'height', 'border', 'hspace', 'vspace', 'align', 'alt'));
|
|
$img_tag = sprintf('<img src="%%s"%s />', $attrib_str);
|
|
$btn_content = sprintf($img_tag, $skin_path.$attrib['image']);
|
|
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'];
|
|
|
|
$attrib_str = create_attrib_string($attrib, array('type', 'value', 'onclick', 'id', 'class', 'style'));
|
|
$out = sprintf('<input%s disabled />', $attrib_str);
|
|
}
|
|
|
|
// generate html code for button
|
|
if ($btn_content)
|
|
{
|
|
$attrib_str = create_attrib_string($attrib, $link_attrib);
|
|
$out = sprintf('<a%s>%s</a>', $attrib_str, $btn_content);
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
}
|
|
|
|
?>
|