forked from extern/egroupware
251 lines
7.2 KiB
PHP
251 lines
7.2 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare API - JavaScript *
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* Written by Dave Hall skwashd at phpgroupware.org *
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* Copyright (C) 2003 Free Software Foundation Inc *
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* -------------------------------------------------------------------------*
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* This library is part of the eGroupWare API *
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* http://www.egroupware.org/api *
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* ------------------------------------------------------------------------ *
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* This program is Free Software; you can redistribute it and/or modify it *
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* under the terms of the GNU General Public License as published by the *
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* Free Software Foundation; either version 2 of the License, or (at your *
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* option) any later version. *
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\**************************************************************************/
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/* $Id$ */
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/**
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* eGroupWare javascript support class
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*
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* Only instanstiate this class using:
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* <code>
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* if(!@is_object($GLOBALS['phpgw']->js))
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* {
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* $GLOBALS['phpgw']->js = CreateObject('phpgwapi.javascript');
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* }
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* </code>
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*
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* This way a theme can see if this is a defined object and include the data,
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* while the is_object() wrapper prevents whiping out existing data held in
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* this instance variables, primarily the $files variable.
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*
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* Note: The package arguement is the subdirectory of js - all js should live in subdirectories
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*
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* @package phpgwapi
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* @subpackage sessions
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* @abstract
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* @author Dave Hall
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* @copyright © 2003 Free Software Foundation
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* @license GPL
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* @uses template
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*/
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class javascript
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{
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/**
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* @var array elements to be used for the on(Un)Load attributes of the body tag
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*/
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var $body;
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/**
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* @var array list of validated files to be included in the head section of a page
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*/
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var $files;
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/**
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* @var object used for holding an instance of the Template class
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*/
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var $t;
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/**
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* Constructor
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*
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* Initialize the instance variables
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*/
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function javascript()
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{
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//$this->t = CreateObject('phpgwapi.Template', ExecMethod('phpgwapi.phpgw.common.get_tpl_dir','phpgwapi'));
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//not currently used, but will be soon - I hope :)
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}
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/**
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* Returns the javascript required for displaying a popup message box
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*
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* @param string $msg the message to be displayed to user
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* @returns string the javascript to be used for displaying the message
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*/
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function get_alert($msg)
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{
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return 'return alert("'.lang($msg).'");';
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}
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/**
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* Adds on(Un)Load= attributes to the body tag of a page
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*
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* @returns string the attributes to be used
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*/
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function get_body_attribs()
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{
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$js = '';
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foreach(array('onLoad','onUnload','onResize') as $what)
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{
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if (!empty($this->body[$what]))
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{
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$js .= ' '.$what.'="' . str_replace(array('"','\\'),array('\\"','\\\\'),$this->body[$what]) . '"';
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}
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}
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return $js;
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}
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/**
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* Returns the javascript required for displaying a confirmation message box
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*
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* @param string $msg the message to be displayed to user
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* @returns string the javascript to be used for displaying the message
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*/
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function get_confirm($msg)
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{
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return 'return confirm("'.lang($msg).'");';
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}
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/**
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* Used for generating the list of external js files to be included in the head of a page
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*
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* NOTE: This method should only be called by the template class.
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* The validation is done when the file is added so we don't have to worry now
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*
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* @returns string the html needed for importing the js into a page
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*/
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function get_script_links()
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{
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$links = '';
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if(!empty($this->files) && is_array($this->files))
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{
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$links = "<!--JS Imports from phpGW javascript class -->\n";
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foreach($this->files as $app => $packages)
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{
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if(!empty($packages) && is_array($packages))
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{
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foreach($packages as $pkg => $files)
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{
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if(!empty($files) && is_array($files))
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{
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foreach($files as $file => $browser)
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{
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$links .= '<script type="text/javascript" src="'
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. $GLOBALS['phpgw_info']['server']['webserver_url']
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. "/$app/js/$pkg/$browser/$file" . '.js">'
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. "</script>\n";
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}
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}
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}
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}
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}
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}
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return $links;
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}
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/**
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* Sets an onLoad action for a page
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*
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* @param string javascript to be used
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*/
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function set_onload($code)
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{
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$this->body['onLoad'] .= $code;
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}
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/**
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* Sets an onUnload action for a page
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*
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* @param string javascript to be used
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*/
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function set_onunload($code)
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{
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$this->body['onUnload'] .= $code;
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}
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/**
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* Sets an onResize action for a page
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*
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* @param string javascript to be used
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*/
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function set_onresize($code)
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{
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$this->body['onResize'] .= $code;
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}
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/**
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* DO NOT USE - NOT SURE IF I AM GOING TO USE IT - ALSO IT NEEDS SOME CHANGES!!!!
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* Used for removing a file or package of files to be included in the head section of a page
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*
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* @param string $app application to use
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* @param string $package the name of the package to be removed
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* @param string $file the name of a file in the package to be removed - if ommitted package is removed
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*/
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function unset_script_link($app, $package, $file=False)
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{
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/* THIS DOES NOTHING ATM :P
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if($file !== False)
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{
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unset($this->files[$app][$package][$file]);
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}
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else
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{
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unset($this->files[$app][$package]);
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}
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*/
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}
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/**
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* Checks to make sure a valid package and file name is provided
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*
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* @param string $package package to be included
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* @param string $file file to be included - no ".js" on the end
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* @param string $app application directory to search - default = phpgwapi
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* @param bool $browser insert specific browser javascript.
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*
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* @discuss The browser specific option loads the file which is in the correct
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* browser folder. Supported folder are those supported by class.browser.inc.php
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*
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* @returns bool was the file found?
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*/
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function validate_file($package, $file, $app='phpgwapi', $browser=true)
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{
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if ($browser)
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{
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$browser_folder = strtolower(ExecMethod('phpgwapi.browser.get_agent'));
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}
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else
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{
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$browser_folder = '.';
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}
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if(is_readable(PHPGW_INCLUDE_ROOT .SEP .$app .SEP .'js' .SEP . $package . SEP . $browser_folder . SEP . $file . '.js'))
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{
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$this->files[$app][$package][$file] = $browser_folder;
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return True;
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}
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elseif (is_readable(PHPGW_INCLUDE_ROOT .SEP .$app .SEP .'js' .SEP . $package . SEP . $file . '.js'))
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{
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$this->files[$app][$package][$file] = '.';
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return True;
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}
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elseif($app != 'phpgwapi')
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{
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if(is_readable(PHPGW_INCLUDE_ROOT .SEP .'phpgwapi' .SEP .'js' .SEP . $package .SEP . $browser_folder . SEP . $file . '.js'))
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{
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$this->files['phpgwapi'][$package][$file] = $browser_folder;
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return True;
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}
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elseif(is_readable(PHPGW_INCLUDE_ROOT .SEP .'phpgwapi' .SEP .'js' .SEP . $package .SEP . $file . '.js'))
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{
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$this->files['phpgwapi'][$package][$file] = '.';
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return True;
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}
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return False;
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}
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}
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}
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?>
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