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source: trunk/phpgwapi/inc/class.javascript.inc.php @ 2537

Revision 2537, 6.8 KB checked in by amuller, 14 years ago (diff)
Ticket #1036 - implementação do packer do js
Property svn:eol-style set to `native` Property svn:executable set to ``*

Line
1	<?php
2	/**************************************************************************\
3	* eGroupWare API - JavaScript *
4	* Written by Dave Hall skwashd at phpgroupware.org *
5	* Copyright (C) 2003 Free Software Foundation Inc *
6	* -------------------------------------------------------------------------*
7	* This library is part of the eGroupWare API *
8	* http://www.egroupware.org/api *
9	* ------------------------------------------------------------------------ *
10	* This program is Free Software; you can redistribute it and/or modify it *
11	* under the terms of the GNU General Public License as published by the *
12	* Free Software Foundation; either version 2 of the License, or (at your *
13	* option) any later version. *
14	\**************************************************************************/
15
16	/**
17	* eGroupWare javascript support class
18	*
19	* Only instanstiate this class using:
20	* <code>
21	* if(!@is_object($GLOBALS['phpgw']->js))
22	* {
23	* $GLOBALS['phpgw']->js = CreateObject('phpgwapi.javascript');
24	* }
25	* </code>
26	*
27	* This way a theme can see if this is a defined object and include the data,
28	* while the is_object() wrapper prevents whiping out existing data held in
29	* this instance variables, primarily the $files variable.
30	*
31	* Note: The package arguement is the subdirectory of js - all js should live in subdirectories
32	*
33	* @package phpgwapi
34	* @subpackage sessions
35	* @abstract
36	* @author Dave Hall
37	* @copyright © 2003 Free Software Foundation
38	* @license GPL
39	* @uses template
40	*/
41	class javascript
42	{
43	/**
44	* @var array elements to be used for the on(Un)Load attributes of the body tag
45	*/
46	var $body;
47
48	/**
49	* @var array list of validated files to be included in the head section of a page
50	*/
51	var $files;
52
53	/**
54	* @var object used for holding an instance of the Template class
55	*/
56	var $t;
57
58	/**
59	* Constructor
60	*
61	* Initialize the instance variables
62	*/
63	function javascript()
64	{
65	//$this->t = CreateObject('phpgwapi.Template', ExecMethod('phpgwapi.phpgw.common.get_tpl_dir','phpgwapi'));
66	//not currently used, but will be soon - I hope :)
67	}
68
69
70	/**
71	* Returns the javascript required for displaying a popup message box
72	*
73	* @param string $msg the message to be displayed to user
74	* @returns string the javascript to be used for displaying the message
75	*/
76	function get_alert($msg)
77	{
78	return 'return alert("'.lang($msg).'");';
79	}
80
81	/**
82	* Adds on(Un)Load= attributes to the body tag of a page
83	*
84	* @returns string the attributes to be used
85	*/
86	function get_body_attribs()
87	{
88	$js = '';
89	foreach(array('onLoad','onUnload','onResize') as $what)
90	{
91	if (!empty($this->body[$what]))
92	{
93	$js .= ' '.$what.'="' . str_replace(array('"','\\'),array('\\"','\\\\'),$this->body[$what]) . '"';
94	}
95	}
96	return $js;
97	}
98
99	/**
100	* Returns the javascript required for displaying a confirmation message box
101	*
102	* @param string $msg the message to be displayed to user
103	* @returns string the javascript to be used for displaying the message
104	*/
105	function get_confirm($msg)
106	{
107	return 'return confirm("'.lang($msg).'");';
108	}
109
110	/**
111	* Used for generating the list of external js files to be included in the head of a page
112	*
113	* NOTE: This method should only be called by the template class.
114	* The validation is done when the file is added so we don't have to worry now
115	*
116	* @returns string the html needed for importing the js into a page
117	*/
118	function get_script_links()
119	{
120	$links = '';
121	if(!empty($this->files) && is_array($this->files))
122	{
123	$links = "<!--JS Imports from phpGW javascript class -->\n";
124	foreach($this->files as $app => $packages)
125	{
126	if(!empty($packages) && is_array($packages))
127	{
128	foreach($packages as $pkg => $files)
129	{
130	if(!empty($files) && is_array($files))
131	{
132	foreach($files as $file => $ignored)
133	{
134	if ($GLOBALS['phpgw_info']['server']['jspacker'] == "True")
135	{
136	require_once('class.JavaScriptPacker.php');
137	$script = file_get_contents(PHPGW_INCLUDE_ROOT .SEP .$app .SEP .'js' .SEP . $pkg .SEP. $file . '.js');
138	$packer = new JavaScriptPacker($script, 'Normal', true, false);
139	$packed = $packer->pack();
140	$links .= "<script>".$packed."</script>\n";
141	}
142	else
143	{
144	$links .= '<script type="text/javascript" src="'
145	. $GLOBALS['phpgw_info']['server']['webserver_url']
146	. "/$app/js/$pkg/$file" . '">'
147	. "</script>\n";
148	}
149	}
150	}
151	}
152	}
153	}
154	}
155	return $links;
156	}
157
158	/**
159	* Sets an onLoad action for a page
160	*
161	* @param string javascript to be used
162	*/
163	function set_onload($code)
164	{
165	$this->body['onLoad'] .= $code;
166	}
167
168	/**
169	* Sets an onUnload action for a page
170	*
171	* @param string javascript to be used
172	*/
173	function set_onunload($code)
174	{
175	$this->body['onUnload'] .= $code;
176	}
177
178	/**
179	* Sets an onResize action for a page
180	*
181	* @param string javascript to be used
182	*/
183	function set_onresize($code)
184	{
185	$this->body['onResize'] .= $code;
186	}
187
188	/**
189	* DO NOT USE - NOT SURE IF I AM GOING TO USE IT - ALSO IT NEEDS SOME CHANGES!!!!
190	* Used for removing a file or package of files to be included in the head section of a page
191	*
192	* @param string $app application to use
193	* @param string $package the name of the package to be removed
194	* @param string $file the name of a file in the package to be removed - if ommitted package is removed
195	*/
196	function unset_script_link($app, $package, $file=False)
197	{
198	if($file !== False)
199	{
200	unset($this->files[$app][$package][$file]);
201	}
202	else
203	{
204	unset($this->files[$app][$package]);
205	}
206	}
207
208	/**
209	* Checks to make sure a valid package and file name is provided
210	*
211	* @param string $package package to be included
212	* @param string $file file to be included - no ".js" on the end
213	* @param string $app application directory to search - default = phpgwapi
214	* @returns bool was the file found?
215	*/
216	function validate_file($package, $file, $app='phpgwapi')
217	{
218	if(is_readable(PHPGW_INCLUDE_ROOT .SEP .$app .SEP .'js' .SEP . $package .SEP. $file . '.js'))
219	{
220	$this->files[$app][$package][$file] = $file;
221	return True;
222	}
223	elseif($app != 'phpgwapi')
224	{
225	if(is_readable(PHPGW_INCLUDE_ROOT .SEP .'phpgwapi' .SEP .'js' .SEP . $package .SEP . $file . '.js'))
226	{
227	$this->files['phpgwapi'][$package][$file] = $file;
228	return True;
229	}
230	return False;
231	}
232	}
233	}
234	?>

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