githubFork/roundcubemail.git

thomascube

2006-02-22 745b1466fc76d5ded589e2469328086002430c1c

commit \| author \| age
4e17e6	1	<?php
T	2
	3	/*
	4	+-----------------------------------------------------------------------+
	5	\| rcube_shared.inc \|
	6	\| \|
	7	\| This file is part of the RoundCube PHP suite \|
	8	\| Copyright (C) 2005, RoundCube Dev. - Switzerland \|
30233b	9	\| Licensed under the GNU GPL \|
4e17e6	10	\| \|
T	11	\| CONTENTS: \|
	12	\| Shared functions and classes used in PHP projects \|
	13	\| \|
	14	+-----------------------------------------------------------------------+
	15	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	16	+-----------------------------------------------------------------------+
	17
	18	$Id$
	19
	20	*/
	21
	22
	23	// ******* round cube schared classes *******
	24
	25	class rcube_html_page
	26	{
	27	var $css;
	28
	29	var $scripts_path = '';
	30	var $script_files = array();
	31	var $scripts = array();
7cc38e	32	var $charset = 'ISO-8859-1';
4e17e6	33
T	34	var $script_tag_file = "<script type=\"text/javascript\" src=\"%s%s\"></script>\n";
	35	var $script_tag = "<script type=\"text/javascript\">\n<!--\n%s\n\n//-->\n</script>\n";
	36
	37	var $title = '';
	38	var $header = '';
	39	var $footer = '';
	40	var $body = '';
	41	var $body_attrib = array();
	42	var $meta_tags = array();
	43
	44
	45	// PHP 5 constructor
	46	function __construct()
	47	{
	48	$this->css = new rcube_css();
	49	}
	50
	51	// PHP 4 compatibility
	52	function rcube_html_page()
	53	{
	54	$this->__construct();
	55	}
	56
	57
	58	function include_script($file, $position='head')
	59	{
	60	static $sa_files = array();
	61
	62	if (in_array($file, $sa_files))
	63	return;
	64
	65	if (!is_array($this->script_files[$position]))
	66	$this->script_files[$position] = array();
	67
	68	$this->script_files[$position][] = $file;
	69	}
	70
	71
	72	function add_script($script, $position='head')
	73	{
	74	if (!isset($this->scripts[$position]))
	75	$this->scripts[$position] = '';
	76
	77	$this->scripts[$position] .= "\n$script";
	78	}
	79
	80
	81	function set_title()
	82	{
	83
	84	}
	85
7cc38e	86	function set_charset($charset)
T	87	{
f88d41	88	global $MBSTRING;
13c1af	89
7cc38e	90	$this->charset = $charset;
13c1af	91
T	92	if ($MBSTRING && function_exists("mb_internal_encoding"))
f88d41	93	{
13c1af	94	if(!@mb_internal_encoding($charset))
f88d41	95	$MBSTRING = FALSE;
T	96	}
7cc38e	97	}
0af7e8	98
3f9edb	99	function get_charset()
0af7e8	100	{
3f9edb	101	return $this->charset;
0af7e8	102	}
7cc38e	103
4e17e6	104
T	105	function write($templ='', $base_path='')
	106	{
	107	$output = trim($templ);
	108
	109	// set default page title
	110	if (!strlen($this->title))
	111	$this->title = 'RoundCube\|Mail';
	112
	113	// replace specialchars in content
	114	$__page_title = rep_specialchars_output($this->title, 'html', 'show', FALSE);
	115	$__page_header = $__page_body = $__page_footer = '';
7cc38e	116
T	117
	118	// include meta tag with charset
	119	if (!empty($this->charset))
	120	$__page_header = '<meta http-equiv="content-type" content="text/html; charset='.$this->charset.'" />'."\n";;
4e17e6	121
T	122
	123	// definition of the code to be placed in the document header and footer
	124	if (is_array($this->script_files['head']))
	125	foreach ($this->script_files['head'] as $file)
	126	$__page_header .= sprintf($this->script_tag_file, $this->scripts_path, $file);
	127
	128	if (strlen($this->scripts['head']))
	129	$__page_header .= sprintf($this->script_tag, $this->scripts['head']);
	130
	131	if (is_array($this->script_files['foot']))
	132	foreach ($this->script_files['foot'] as $file)
	133	$__page_footer .= sprintf($this->script_tag_file, $this->scripts_path, $file);
	134
	135	if (strlen($this->scripts['foot']))
	136	$__page_footer .= sprintf($this->script_tag, $this->scripts['foot']);
	137
	138
	139	$__page_header .= $this->css->show();
	140
	141
	142	// find page header
	143	if($hpos = strpos(strtolower($output), '</head>'))
	144	$__page_header .= "\n";
	145	else
	146	{
	147	if (!is_numeric($hpos))
	148	$hpos = strpos(strtolower($output), '<body');
	149	if (!is_numeric($hpos) && ($hpos = strpos(strtolower($output), '<html')))
	150	{
	151	while($output[$hpos]!='>')
	152	$hpos++;
	153	$hpos++;
	154	}
	155
	156	$__page_header = "<head>\n<title>$__page_title</title>\n$__page_header\n</head>\n";
	157	}
	158
	159	// add page hader
	160	if($hpos)
	161	$output = substr($output,0,$hpos) . $__page_header . substr($output,$hpos,strlen($output));
	162	else
	163	$output = $__page_header . $output;
	164
	165
	166	// find page body
	167	if($bpos = strpos(strtolower($output), '<body'))
	168	{
	169	while($output[$bpos]!='>') $bpos++;
	170	$bpos++;
	171	}
	172	else
	173	$bpos = strpos(strtolower($output), '</head>')+7;
	174
	175	// add page body
	176	if($bpos && $__page_body)
	177	$output = substr($output,0,$bpos) . "\n$__page_body\n" . substr($output,$bpos,strlen($output));
	178
	179
	180	// find and add page footer
	181	if(($fpos = strpos(strtolower($output), '</body>')) \|\| ($fpos = strpos(strtolower($output), '</html>')))
	182	$output = substr($output,0,$fpos) . "$__page_footer\n" . substr($output,$fpos,strlen($output));
	183	else
	184	$output .= "\n$__page_footer";
	185
	186
	187	// reset those global vars
	188	$__page_header = $__page_footer = '';
	189
	190
	191	// correct absolute pathes in images and other tags
	192	$output = preg_replace('/(src\|href\|background)=(["\']?)(\/[a-z0-9_\-]+)/Ui', "\\1=\\2$base_path\\3", $output);
	193
3f9edb	194	print rcube_charset_convert($output, 'UTF-8', $this->charset);
4e17e6	195	}
T	196
	197
	198	function _parse($templ)
	199	{
	200
	201	}
	202	}
	203
	204
	205
	206
	207	class rcube_css
	208	{
	209	var $css_data = array();
	210
	211	var $css_groups = array();
	212
	213	var $include_files = array();
	214
	215	var $grouped_output = TRUE;
	216
	217	var $content_type = 'text/css';
	218
	219	var $base_path = '';
	220
	221	var $indent_chars = "\t";
	222
	223
	224	// add or overwrite a css definition
	225	// either pass porperty and value as separate arguments
	226	// or provide an associative array as second argument
	227	function set_style($selector, $property, $value='')
	228	{
	229	$a_elements = $this->_parse_selectors($selector);
	230	foreach ($a_elements as $element)
	231	{
	232	if (!is_array($property))
	233	$property = array($property => $value);
	234
	235	foreach ($property as $name => $value)
	236	$this->css_data[$element][strtolower($name)] = $value;
	237	}
	238
	239	// clear goups array
	240	$this->css_groups = array();
	241	}
	242
	243
	244	// unset a style property
	245	function remove_style($selector, $property)
	246	{
	247	if (!is_array($property))
	248	$property = array($property);
	249
	250	foreach ($property as $key)
	251	unset($this->css_data[$selector][strtolower($key)]);
	252
	253	// clear goups array
	254	$this->css_groups = array();
	255	}
	256
	257
	258	// define base path for external css files
	259	function set_basepath($path)
	260	{
	261	$this->base_path = preg_replace('/\/$/', '', $path);
	262	}
	263
	264
	265	// enable/disable grouped output
	266	function set_grouped_output($grouped)
	267	{
	268	$this->grouped_output = $grouped;
	269	}
	270
	271
	272	// add a css file as external source
	273	function include_file($filename, $media='')
	274	{
	275	// include multiple files
	276	if (is_array($filename))
	277	{
	278	foreach ($filename as $file)
	279	$this->include_file($file, $media);
	280	}
	281	// add single file
	282	else if (!in_array($filename, $this->include_files))
	283	$this->include_files[] = array('file' => $filename,
	284	'media' => $media);
	285	}
	286
	287
	288	// parse css code
	289	function import_string($str)
	290	{
	291	$ret = FALSE;
	292	if (strlen($str))
	293	$ret = $this->_parse($str);
	294
	295	return $ret;
	296	}
	297
	298
	299	// open and parse a css file
	300	function import_file($file)
	301	{
	302	$ret = FALSE;
	303
	304	if (!is_file($file))
	305	return $ret;
	306
	307	// for php version >= 4.3.0
	308	if (function_exists('file_get_contents'))
	309	$ret = $this->_parse(file_get_contents($file));
	310
	311	// for order php versions
	312	else if ($fp = fopen($file, 'r'))
	313	{
	314	$ret = $this->_parse(fread($fp, filesize($file)));
	315	fclose($fp);
	316	}
	317
	318	return $ret;
	319	}
	320
	321
	322	// copy all properties inherited from superior styles to a specific selector
	323	function copy_inherited_styles($selector)
	324	{
	325	// get inherited props from body and tag/class selectors
	326	$css_props = $this->_get_inherited_styles($selector);
	327
	328	// write modified props back and clear goups array
	329	if (sizeof($css_props))
	330	{
	331	$this->css_data[$selector] = $css_props;
	332	$this->css_groups = array();
	333	}
	334	}
	335
	336
	337	// return css definition for embedding in HTML
	338	function show()
	339	{
	340	$out = '';
	341
	342	// include external css files
	343	if (sizeof($this->include_files))
	344	foreach ($this->include_files as $file_arr)
	345	$out .= sprintf('<link rel="stylesheet" type="%s" href="%s"%s>'."\n",
	346	$this->content_type,
	347	$this->_get_file_path($file_arr['file']),
	348	$file_arr['media'] ? ' media="'.$file_arr['media'].'"' : '');
	349
	350
	351	// compose css string
	352	if (sizeof($this->css_data))
	353	$out .= sprintf("<style type=\"%s\">\n<!--\n\n%s-->\n</style>",
	354	$this->content_type,
	355	$this->to_string());
	356
	357
	358	return $out;
	359	}
	360
	361
	362	// return valid css code of the current styles grid
	363	function to_string($selector=NULL)
	364	{
	365	// return code for a single selector
	366	if ($selector)
	367	{
	368	$indent_str = $this->indent_chars;
	369	$this->indent_chars = '';
	370
	371	$prop_arr = $this->to_array($selector);
	372	$out = $this->_style2string($prop_arr, TRUE);
	373
	374	$this->indent_chars = $indent_str;
	375	}
	376
	377	// compose css code for complete data grid
	378	else
	379	{
	380	$out = '';
	381	$css_data = $this->to_array();
	382
	383	foreach ($css_data as $key => $prop_arr)
	384	$out .= sprintf("%s {\n%s}\n\n",
	385	$key,
	386	$this->_style2string($prop_arr, TRUE));
	387	}
	388
	389	return $out;
	390	}
	391
	392
	393	// return a single-line string of a css definition
	394	function to_inline($selector)
	395	{
	396	if ($this->css_data[$selector])
	397	return str_replace('"', '\\"', $this->_style2string($this->css_data[$selector], FALSE));
	398	}
	399
	400
	401	// return an associative array with selector(s) as key and styles array as value
	402	function to_array($selector=NULL)
	403	{
	404	if (!$selector && $this->grouped_output)
	405	{
	406	// build groups if desired
	407	if (!sizeof($this->css_groups))
	408	$this->_build_groups();
	409
	410	// modify group array to get an array(selector => properties)
	411	$out_arr = array();
	412	foreach ($this->css_groups as $group_arr)
	413	{
	414	$key = join(', ', $group_arr['selectors']);
	415	$out_arr[$key] = $group_arr['properties'];
	416	}
	417	}
	418	else
	419	$out_arr = $this->css_data;
	420
	421	return $selector ? $out_arr[$selector] : $out_arr;
	422	}
	423
	424
	425	// create a css file
	426	function to_file($filepath)
	427	{
	428	if ($fp = fopen($filepath, 'w'))
	429	{
	430	fwrite($fp, $this->to_string());
	431	fclose($fp);
	432	return TRUE;
	433	}
	434
	435	return FALSE;
	436	}
	437
	438
	439	// alias method for import_string() [DEPRECATED]
	440	function add($str)
	441	{
	442	$this->import_string($str);
	443	}
	444
	445	// alias method for to_string() [DEPRECATED]
	446	function get()
	447	{
	448	return $this->to_string();
	449	}
	450
	451
	452
	453	// ****** private methods ******
	454
	455
	456	// parse a string and add styles to internal data grid
	457	function _parse($str)
	458	{
	459	// remove comments
	460	$str = preg_replace("/\/\(.)?\*\//Usi", '', $str);
	461
	462	// parse style definitions
	463	if (!preg_match_all ('/([a-z0-9\.#:_][a-z0-9\.\-_#:,\[\]\s\"\'\+\\|>~=]+)\s\{([^\}])\}/ims', $str, $matches, PREG_SET_ORDER))
	464	return FALSE;
	465
	466
	467	foreach ($matches as $match_arr)
	468	{
	469	// split selectors into array
	470	$a_keys = $this->_parse_selectors(trim($match_arr[1]));
	471
	472	// parse each property of an element
	473	$codes = explode(";", trim($match_arr[2]));
	474	foreach ($codes as $code)
	475	{
	476	if (strlen(trim($code))>0)
	477	{
	478	// find the property and the value
	479	if (!($sep = strpos($code, ':')))
	480	continue;
	481
	482	$property = strtolower(trim(substr($code, 0, $sep)));
	483	$value = trim(substr($code, $sep+1));
	484
	485	// add the property to the object array
	486	foreach ($a_keys as $key)
	487	$this->css_data[$key][$property] = $value;
	488	}
	489	}
	490	}
	491
	492	// clear goups array
	493	if (sizeof($matches))
	494	{
	495	$this->css_groups = array();
	496	return TRUE;
	497	}
	498
	499	return FALSE;
	500	}
	501
	502
	503	// split selector group
	504	function _parse_selectors($selector)
	505	{
	506	// trim selector and remove multiple spaces
	507	$selector = preg_replace('/\s+/', ' ', trim($selector));
	508
	509	if (strpos($selector, ','))
	510	return preg_split('/[\t\s\n\r],[\t\s\n\r]/mi', $selector);
	511	else
	512	return array($selector);
	513	}
	514
	515
	516	// compare identical styles and make groups
	517	function _build_groups()
	518	{
	519	// clear group array
	520	$this->css_groups = array();
	521	$string_group_map = array();
	522
	523	// bulild css string for each selector and check if the same is already defines
	524	foreach ($this->css_data as $selector => $prop_arr)
	525	{
	526	// make shure to compare props in the same order
	527	ksort($prop_arr);
	528	$compare_str = preg_replace('/[\s\t]+/', '', $this->_style2string($prop_arr, FALSE));
	529
	530	// add selector to extisting group
	531	if (isset($string_group_map[$compare_str]))
	532	{
	533	$group_index = $string_group_map[$compare_str];
	534	$this->css_groups[$group_index]['selectors'][] = $selector;
	535	}
	536
	537	// create new group
	538	else
	539	{
	540	$i = sizeof($this->css_groups);
	541	$string_group_map[$compare_str] = $i;
	542	$this->css_groups[$i] = array('selectors' => array($selector),
	543	'properties' => $this->css_data[$selector]);
	544	}
	545	}
	546	}
	547
	548
	549	// convert the prop array into a valid css definition
	550	function _style2string($prop_arr, $multiline=TRUE)
	551	{
	552	$out = '';
	553	$delm = $multiline ? "\n" : '';
	554	$spacer = $multiline ? ' ' : '';
	555	$indent = $multiline ? $this->indent_chars : '';
	556
	557	if (is_array($prop_arr))
	558	foreach ($prop_arr as $prop => $value)
	559	if (strlen($value))
	560	$out .= sprintf('%s%s:%s%s;%s',
	561	$indent,
	562	$prop,
	563	$spacer,
	564	$value,
	565	$delm);
	566
	567	return $out;
	568	}
	569
	570
	571	// copy all properties inherited from superior styles to a specific selector
	572	function _get_inherited_styles($selector, $loop=FALSE)
	573	{
	574	$css_props = $this->css_data[$selector] ? $this->css_data[$selector] : array();
	575
	576	// get styles from tag selector
	577	if (preg_match('/(([a-z0-9]*)(\.[^\s]+)?)$/i', $selector, $regs))
	578	{
	579	$sel = $regs[1];
	580	$tagname = $regs[2];
	581	$class = $regs[3];
	582
	583	if ($sel && is_array($this->css_data[$sel]))
	584	$css_props = $this->_merge_styles($this->css_data[$sel], $css_props);
	585
	586	if ($class && is_array($this->css_data[$class]))
	587	$css_props = $this->_merge_styles($this->css_data[$class], $css_props);
	588
	589	if ($tagname && is_array($this->css_data[$tagname]))
	590	$css_props = $this->_merge_styles($this->css_data[$tagname], $css_props);
	591	}
	592
	593	// analyse inheritance
	594	if (strpos($selector, ' '))
	595	{
	596	$a_hier = split(' ', $selector);
	597	if (sizeof($a_hier)>1)
	598	{
	599	array_pop($a_hier);
	600	$base_selector = join(' ', $a_hier);
	601
	602	// call this method recursively
	603	$new_props = $this->_get_inherited_styles($base_selector, TRUE);
	604	$css_props = $this->_merge_styles($new_props, $css_props);
	605	}
	606	}
	607
	608	// get body style
	609	if (!$loop && is_array($this->css_data['body']))
	610	$css_props = $this->_merge_styles($this->css_data['body'], $css_props);
	611
	612	return $css_props;
	613	}
	614
	615
	616	// merge two arrays with style properties together like a browser would do
	617	function _merge_styles($one, $two)
	618	{
	619	// these properties are additive
	620	foreach (array('text-decoration') as $prop)
	621	if ($one[$prop] && $two[$prop])
	622	{
	623	// if value contains 'none' it's ignored
	624	if (strstr($one[$prop], 'none'))
	625	continue;
	626	else if (strstr($two[$prop], 'none'))
	627	unset($two[$prop]);
	628
	629	$a_values_one = split(' ', $one[$prop]);
	630	$a_values_two = split(' ', $two[$prop]);
	631	$two[$prop] = join(' ', array_unique(array_merge($a_values_one, $a_values_two)));
	632	}
	633
	634	return array_merge($one, $two);
	635	}
	636
	637
	638	// resolve file path
	639	function _get_file_path($file)
	640	{
	641	if (!$this->base_path && $GLOBALS['CSS_PATH'])
	642	$this->set_basepath($GLOBALS['CSS_PATH']);
	643
	644	$base = ($file{0}=='/' \|\| $file{0}=='.' \|\| substr($file, 0, 7)=='http://') ? '' :
	645	($this->base_path ? $this->base_path.'/' : '');
	646	return $base.$file;
	647	}
	648
	649	}
	650
	651
	652
	653	class base_form_element
	654	{
	655	var $uppertags = FALSE;
	656	var $upperattribs = FALSE;
	657	var $upperprops = FALSE;
	658	var $newline = FALSE;
	659
	660	var $attrib = array();
	661
	662
	663	// create string with attributes
	664	function create_attrib_string($tagname='')
	665	{
	666	if (!sizeof($this->attrib))
	667	return '';
	668
	669	if ($this->name!='')
	670	$this->attrib['name'] = $this->name;
	671
	672	$attrib_arr = array();
	673	foreach ($this->attrib as $key => $value)
	674	{
	675	// don't output some internally used attributes
	676	if (in_array($key, array('form', 'quicksearch')))
	677	continue;
	678
	679	// skip if size if not numeric
	680	if (($key=='size' && !is_numeric($value)))
	681	continue;
	682
	683	// skip empty eventhandlers
	684	if ((strpos($key,'on')===0 && $value==''))
	685	continue;
	686
	687	// encode textarea content
	688	if ($key=='value')
	689	$value = rep_specialchars_output($value, 'html', 'replace', FALSE);
	690
	691	// attributes with no value
	692	if (in_array($key, array('checked', 'multiple', 'disabled', 'selected')))
	693	{
	694	if ($value)
	695	$attrib_arr[] = $key;
	696	}
	697	// don't convert size of value attribute
	698	else if ($key=='value')
	699	$attrib_arr[] = sprintf('%s="%s"', $this->_conv_case($key, 'attrib'), $value, 'value');
	700
	701	// regular tag attributes
	702	else
	703	$attrib_arr[] = sprintf('%s="%s"', $this->_conv_case($key, 'attrib'), $this->_conv_case($value, 'value'));
	704	}
	705
	706	return sizeof($attrib_arr) ? ' '.implode(' ', $attrib_arr) : '';
	707	}
	708
	709
	710	// convert tags and attributes to upper-/lowercase
	711	// $type can either be "tag" or "attrib"
	712	function _conv_case($str, $type='attrib')
	713	{
	714	if ($type == 'tag')
	715	return $this->uppertags ? strtoupper($str) : strtolower($str);
	716	else if ($type == 'attrib')
	717	return $this->upperattribs ? strtoupper($str) : strtolower($str);
	718	else if ($type == 'value')
	719	return $this->upperprops ? strtoupper($str) : strtolower($str);
	720	}
	721	}
	722
	723
	724	class input_field extends base_form_element
	725	{
	726	var $type = 'text';
	727
	728	// PHP 5 constructor
	729	function __construct($attrib=NULL)
	730	{
	731	if (is_array($attrib))
	732	$this->attrib = $attrib;
	733
	734	if ($attrib['type'])
	735	$this->type = $attrib['type'];
	736
	737	if ($attrib['newline'])
	738	$this->newline = TRUE;
	739	}
	740
	741	// PHP 4 compatibility
	742	function input_field($attrib=array())
	743	{
	744	$this->__construct($attrib);
	745	}
	746
	747	// compose input tag
	748	function show($value=NULL, $attrib=NULL)
	749	{
	750	// overwrite object attributes
	751	if (is_array($attrib))
	752	$this->attrib = array_merge($this->attrib, $attrib);
	753
	754	// set value attribute
	755	if ($value!==NULL)
	756	$this->attrib['value'] = $value;
	757
	758	$this->attrib['type'] = $this->type;
	759
	760	// return final tag
	761	return sprintf('<%s%s />%s',
	762	$this->_conv_case('input', 'tag'),
	763	$this->create_attrib_string(),
	764	($this->newline ? "\n" : ""));
	765	}
	766	}
	767
	768
	769	class textfield extends input_field
	770	{
	771	var $type = 'text';
	772	}
	773
	774	class passwordfield extends input_field
	775	{
	776	var $type = 'password';
	777	}
	778
	779	class radiobutton extends input_field
	780	{
	781	var $type = 'radio';
	782	}
	783
	784	class checkbox extends input_field
	785	{
	786	var $type = 'checkbox';
	787
	788
	789	function show($value='', $attrib=NULL)
	790	{
	791	// overwrite object attributes
	792	if (is_array($attrib))
	793	$this->attrib = array_merge($this->attrib, $attrib);
	794
	795	$this->attrib['type'] = $this->type;
	796
	797	if ($value && (string)$value==(string)$this->attrib['value'])
	798	$this->attrib['checked'] = TRUE;
	799	else
	800	$this->attrib['checked'] = FALSE;
	801
	802	// return final tag
	803	return sprintf('<%s%s />%s',
	804	$this->_conv_case('input', 'tag'),
	805	$this->create_attrib_string(),
	806	($this->newline ? "\n" : ""));
	807	}
	808	}
	809
	810
	811	class textarea extends base_form_element
	812	{
	813	// PHP 5 constructor
	814	function __construct($attrib=array())
	815	{
	816	$this->attrib = $attrib;
	817
	818	if ($attrib['newline'])
	819	$this->newline = TRUE;
	820	}
	821
	822	// PHP 4 compatibility
	823	function textarea($attrib=array())
	824	{
	825	$this->__construct($attrib);
	826	}
	827
	828	function show($value='', $attrib=NULL)
	829	{
	830	// overwrite object attributes
	831	if (is_array($attrib))
	832	$this->attrib = array_merge($this->attrib, $attrib);
	833
	834	// take value attribute as content
	835	if ($value=='')
	836	$value = $this->attrib['value'];
	837
	838	// make shure we don't print the value attribute
	839	if (isset($this->attrib['value']))
	840	unset($this->attrib['value']);
	841
	842	if (strlen($value))
	843	$value = rep_specialchars_output($value, 'html', 'replace', FALSE);
	844
	845	// return final tag
	846	return sprintf('<%s%s>%s</%s>%s',
	847	$this->_conv_case('textarea', 'tag'),
	848	$this->create_attrib_string(),
	849	$value,
	850	$this->_conv_case('textarea', 'tag'),
	851	($this->newline ? "\n" : ""));
	852	}
	853	}
	854
	855
	856	class hiddenfield extends base_form_element
	857	{
	858	var $fields_arr = array();
	859	var $newline = TRUE;
	860
	861	// PHP 5 constructor
	862	function __construct($attrib=NULL)
	863	{
	864	if (is_array($attrib))
	865	$this->add($attrib);
	866	}
	867
	868	// PHP 4 compatibility
	869	function hiddenfield($attrib=NULL)
	870	{
	871	$this->__construct($attrib);
	872	}
	873
	874	// add a hidden field to this instance
	875	function add($attrib)
	876	{
	877	$this->fields_arr[] = $attrib;
	878	}
	879
	880
	881	function show()
	882	{
	883	$out = '';
	884	foreach ($this->fields_arr as $attrib)
	885	{
	886	$this->attrib = $attrib;
	887	$this->attrib['type'] = 'hidden';
	888
	889	$out .= sprintf('<%s%s />%s',
	890	$this->_conv_case('input', 'tag'),
	891	$this->create_attrib_string(),
	892	($this->newline ? "\n" : ""));
	893	}
	894
	895	return $out;
	896	}
	897	}
	898
	899
	900	class select extends base_form_element
	901	{
	902	var $options = array();
	903
	904	/*
	905	syntax:
	906	-------
	907	// create instance. arguments are used to set attributes of select-tag
	908	$select = new select(array('name' => 'fieldname'));
	909
	910	// add one option
	911	$select->add('Switzerland', 'CH');
	912
	913	// add multiple options
	914	$select->add(array('Switzerland', 'Germany'),
	915	array('CH', 'DE'));
	916
	917	// add 10 blank options with 50 chars
	918	// used to fill with javascript (necessary for 4.x browsers)
	919	$select->add_blank(10, 50);
	920
	921	// generate pulldown with selection 'Switzerland' and return html-code
	922	// as second argument the same attributes available to instanciate can be used
	923	print $select->show('CH');
	924	*/
	925
	926	// PHP 5 constructor
	927	function __construct($attrib=NULL)
	928	{
	929	if (is_array($attrib))
	930	$this->attrib = $attrib;
	931
	932	if ($attrib['newline'])
	933	$this->newline = TRUE;
	934	}
	935
	936	// PHP 4 compatibility
	937	function select($attrib=NULL)
	938	{
	939	$this->__construct($attrib);
	940	}
	941
	942
	943	function add($names, $values=NULL)
	944	{
	945	if (is_array($names))
	946	{
	947	foreach ($names as $i => $text)
	948	$this->options[] = array('text' => $text, 'value' => (string)$values[$i]);
	949	}
	950	else
	951	{
	952	$this->options[] = array('text' => $names, 'value' => (string)$values);
	953	}
	954	}
	955
	956
	957	function add_blank($nr, $width=0)
	958	{
	959	$text = $width ? str_repeat(' ', $width) : '';
	960
	961	for ($i=0; $i < $nr; $i++)
	962	$this->options[] = array('text' => $text);
	963	}
	964
	965
	966	function show($select=array(), $attrib=NULL)
	967	{
	968	$options_str = "\n";
	969	$value_str = $this->_conv_case(' value="%s"', 'attrib');
	970
	971	if (!is_array($select))
	972	$select = array((string)$select);
	973
	974	foreach ($this->options as $option)
	975	{
	976	$selected = ((strlen($option['value']) && in_array($option['value'], $select, TRUE)) \|\|
	977	(in_array($option['text'], $select, TRUE))) ? $this->_conv_case(' selected', 'attrib') : '';
	978
	979	$options_str .= sprintf("<%s%s%s>%s</%s>\n",
	980	$this->_conv_case('option', 'tag'),
	981	strlen($option['value']) ? sprintf($value_str, $option['value']) : '',
	982	$selected,
	983	rep_specialchars_output($option['text'], 'html', 'replace', FALSE),
	984	$this->_conv_case('option', 'tag'));
	985	}
	986
	987	// return final tag
	988	return sprintf('<%s%s>%s</%s>%s',
	989	$this->_conv_case('select', 'tag'),
	990	$this->create_attrib_string(),
	991	$options_str,
	992	$this->_conv_case('select', 'tag'),
	993	($this->newline ? "\n" : ""));
	994	}
	995	}
	996
	997
	998
	999
	1000	// ******* rcube schared functions *******
	1001
	1002
	1003	// provide details about the client's browser
	1004	function rcube_browser()
	1005	{
de2e1e	1006	$HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT'];
4e17e6	1007
T	1008	$bw['ver'] = 0;
	1009	$bw['win'] = stristr($HTTP_USER_AGENT, 'win');
	1010	$bw['mac'] = stristr($HTTP_USER_AGENT, 'mac');
	1011	$bw['linux'] = stristr($HTTP_USER_AGENT, 'linux');
	1012	$bw['unix'] = stristr($HTTP_USER_AGENT, 'unix');
	1013
	1014	$bw['ns4'] = stristr($HTTP_USER_AGENT, 'mozilla/4') && !stristr($HTTP_USER_AGENT, 'msie');
	1015	$bw['ns'] = ($bw['ns4'] \|\| stristr($HTTP_USER_AGENT, 'netscape'));
	1016	$bw['ie'] = stristr($HTTP_USER_AGENT, 'msie');
	1017	$bw['mz'] = stristr($HTTP_USER_AGENT, 'mozilla/5');
	1018	$bw['opera'] = stristr($HTTP_USER_AGENT, 'opera');
	1019	$bw['safari'] = stristr($HTTP_USER_AGENT, 'safari');
	1020
	1021	if($bw['ns'])
	1022	{
	1023	$test = eregi("mozilla\/([0-9\.]+)", $HTTP_USER_AGENT, $regs);
	1024	$bw['ver'] = $test ? (float)$regs[1] : 0;
	1025	}
	1026	if($bw['mz'])
	1027	{
	1028	$test = ereg("rv:([0-9\.]+)", $HTTP_USER_AGENT, $regs);
	1029	$bw['ver'] = $test ? (float)$regs[1] : 0;
	1030	}
	1031	if($bw['ie'])
	1032	{
	1033	$test = eregi("msie ([0-9\.]+)", $HTTP_USER_AGENT, $regs);
	1034	$bw['ver'] = $test ? (float)$regs[1] : 0;
	1035	}
	1036	if($bw['opera'])
	1037	{
	1038	$test = eregi("opera ([0-9\.]+)", $HTTP_USER_AGENT, $regs);
	1039	$bw['ver'] = $test ? (float)$regs[1] : 0;
	1040	}
	1041
	1042	if(eregi(" ([a-z]{2})-([a-z]{2})", $HTTP_USER_AGENT, $regs))
	1043	$bw['lang'] = $regs[1];
	1044	else
	1045	$bw['lang'] = 'en';
	1046
	1047	$bw['dom'] = ($bw['mz'] \|\| $bw['safari'] \|\| ($bw['ie'] && $bw['ver']>=5) \|\| ($bw['opera'] && $bw['ver']>=7));
	1048	$bw['pngalpha'] = $bw['mz'] \|\| $bw['safari'] \|\| ($bw['ie'] && $bw['ver']>=5.5) \|\|
	1049	($bw['ie'] && $bw['ver']>=5 && $bw['mac']) \|\| ($bw['opera'] && $bw['ver']>=7) ? TRUE : FALSE;
	1050
	1051	return $bw;
	1052	}
	1053
	1054
	1055	// get text in the desired language from the language file
	1056	function rcube_label($attrib)
	1057	{
7cc38e	1058	global $sess_user_lang, $INSTALL_PATH, $OUTPUT;
a95e0e	1059	static $sa_text_data, $s_language, $utf8_decode;
4e17e6	1060
T	1061	// extract attributes
	1062	if (is_string($attrib))
	1063	$attrib = array('name' => $attrib);
	1064
	1065	$nr = is_numeric($attrib['nr']) ? $attrib['nr'] : 1;
	1066	$vars = isset($attrib['vars']) ? $attrib['vars'] : '';
	1067
	1068	$command_name = strlen($attrib['command']) ? $attrib['command'] : NULL;
	1069	$alias = $attrib['name'] ? $attrib['name'] : ($command_name && $command_label_map[$command_name] ? $command_label_map[$command_name] : '');
	1070
	1071
	1072	// load localized texts
	1073	if (!$sa_text_data \|\| $s_language != $sess_user_lang)
	1074	{
	1075	$sa_text_data = array();
	1076
	1077	// get english labels (these should be complete)
0af7e8	1078	@include($INSTALL_PATH.'program/localization/en_US/labels.inc');
T	1079	@include($INSTALL_PATH.'program/localization/en_US/messages.inc');
4e17e6	1080
T	1081	if (is_array($labels))
	1082	$sa_text_data = $labels;
	1083	if (is_array($messages))
	1084	$sa_text_data = array_merge($sa_text_data, $messages);
	1085
	1086	// include user language files
	1087	if ($sess_user_lang!='en' && is_dir($INSTALL_PATH.'program/localization/'.$sess_user_lang))
	1088	{
	1089	include_once($INSTALL_PATH.'program/localization/'.$sess_user_lang.'/labels.inc');
	1090	include_once($INSTALL_PATH.'program/localization/'.$sess_user_lang.'/messages.inc');
0af7e8	1091
4e17e6	1092	if (is_array($labels))
T	1093	$sa_text_data = array_merge($sa_text_data, $labels);
	1094	if (is_array($messages))
	1095	$sa_text_data = array_merge($sa_text_data, $messages);
	1096	}
	1097
	1098	$s_language = $sess_user_lang;
	1099	}
	1100
	1101	// text does not exist
	1102	if (!($text_item = $sa_text_data[$alias]))
	1103	{
	1104	/*
	1105	raise_error(array('code' => 500,
	1106	'type' => 'php',
	1107	'line' => __LINE__,
	1108	'file' => __FILE__,
	1109	'message' => "Missing localized text for '$alias' in '$sess_user_lang'"), TRUE, FALSE);
	1110	*/
	1111	return "[$alias]";
	1112	}
	1113
	1114	// make text item array
	1115	$a_text_item = is_array($text_item) ? $text_item : array('single' => $text_item);
	1116
	1117	// decide which text to use
	1118	if ($nr==1)
	1119	$text = $a_text_item['single'];
	1120	else if ($nr>0)
	1121	$text = $a_text_item['multiple'];
	1122	else if ($nr==0)
	1123	{
	1124	if ($a_text_item['none'])
	1125	$text = $a_text_item['none'];
	1126	else if ($a_text_item['single'])
	1127	$text = $a_text_item['single'];
	1128	else if ($a_text_item['multiple'])
	1129	$text = $a_text_item['multiple'];
	1130	}
	1131
	1132	// default text is single
	1133	if ($text=='')
	1134	$text = $a_text_item['single'];
	1135
	1136	// replace vars in text
	1137	if (is_array($attrib['vars']))
	1138	{
	1139	foreach ($attrib['vars'] as $var_key=>$var_value)
	1140	$a_replace_vars[substr($var_key, 0, 1)=='$' ? substr($var_key, 1) : $var_key] = $var_value;
	1141	}
	1142
	1143	if ($a_replace_vars)
	1144	$text = preg_replace('/\${?([_a-z]{1}[_a-z0-9]*)}?/ei', '$a_replace_vars["\1"]', $text);
	1145
	1146	// remove variables in text which were not available in arg $vars and $nr
	1147	eval("\$text = <<<EOF
	1148	$text
	1149	EOF;
	1150	");
a95e0e	1151
4e17e6	1152	// format output
T	1153	if (($attrib['uppercase'] && strtolower($attrib['uppercase']=='first')) \|\| $attrib['ucfirst'])
	1154	return ucfirst($text);
	1155	else if ($attrib['uppercase'])
	1156	return strtoupper($text);
	1157	else if ($attrib['lowercase'])
	1158	return strtolower($text);
	1159	else
	1160	return $text;
	1161
	1162	return $text;
	1163	}
	1164
	1165
	1166	// send HTTP header for no-cacheing steps
	1167	function send_nocacheing_headers()
	1168	{
	1169	if (headers_sent())
	1170	return;
	1171
	1172	header("Expires: ".gmdate("D, d M Y H:i:s")." GMT");
	1173	header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
	1174	header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
	1175	header("Pragma: no-cache");
	1176	}
	1177
	1178
	1179	// send header with expire date 30 days in future
	1180	function send_future_expire_header()
	1181	{
	1182	if (!headers_sent())
	1183	header("Expires: ".gmdate("D, d M Y H:i:s", mktime()+2600000)." GMT");
	1184	}
	1185
	1186
	1187	// function to convert an array to a javascript array
	1188	function array2js($arr, $type='')
	1189	{
	1190	if (!$type)
	1191	$type = 'mixed';
	1192
	1193	if (is_array($arr))
	1194	{
	1195	// no items in array
	1196	if (!sizeof($arr))
	1197	return 'new Array()';
	1198	else
	1199	{
	1200	$a_pairs = array();
	1201	$keys_arr = array_keys($arr);
	1202	$is_assoc = $have_numeric = 0;
	1203
	1204	for ($i=0; $i<sizeof($keys_arr); ++$i)
	1205	{
	1206	if(is_numeric($keys_arr[$i]))
	1207	$have_numeric = 1;
	1208	if (!is_numeric($keys_arr[$i]) \|\| $keys_arr[$i]!=$i)
	1209	$is_assoc = 1;
	1210	if($is_assoc && $have_numeric)
	1211	break;
	1212	}
	1213
	1214	$previous_was_array = false;
	1215	while (list($key, $value) = each($arr))
	1216	{
	1217	// enclose key with quotes if it is not variable-name conform
	1218	if (!ereg("^[_a-zA-Z]{1}[_a-zA-Z0-9]$", $key) / \|\| is_js_reserved_word($key) */)
	1219	$key = "'$key'";
	1220
	1221	if (!is_array($value))
	1222	{
	1223	$value = str_replace("\r\n", '\n', $value);
	1224	$value = str_replace("\n", '\n', $value);
	1225	}
	1226
	1227	$is_string = false;
	1228	if (!is_array($value))
	1229	{
	1230	if ($type=='string')
	1231	$is_string = true;
	1232	else if ((($type=='mixed' && is_numeric($value)) \|\| $type=='int') && strlen($value)<16) // js interprets numbers with digits >15 as ...e+...
	1233	$is_string = FALSE;
	1234	else
	1235	$is_string = TRUE;
	1236	}
	1237
	1238	if ($is_string)
	1239	$value = "'".preg_replace("/(?<!\\\)'/", "\'", $value)."'";
	1240
	1241	$a_pairs[] = sprintf("%s%s",
	1242	$is_assoc ? "$key:" : '',
	1243	is_array($value) ? array2js($value, $type) : $value);
	1244	}
	1245
	1246	if ($a_pairs)
	1247	{
	1248	if ($is_assoc)
	1249	$return = '{'.implode(',', $a_pairs).'}';
	1250	else
	1251	$return = '['.implode(',', $a_pairs).']';
	1252	}
	1253
	1254	return $return;
	1255	}
	1256	}
	1257	else
	1258	return $arr;
	1259	}
	1260
	1261
	1262	// similar function as in_array() ut case-insensitive
	1263	function in_array_nocase($needle, $haystack)
	1264	{
	1265	foreach ($haystack as $value)
	1266	{
	1267	if (strtolower($needle)===strtolower($value))
	1268	return TRUE;
	1269	}
	1270
	1271	return FALSE;
	1272	}
	1273
	1274
	1275
	1276	// find out if the string content means TRUE or FALSE
	1277	function get_boolean($str)
	1278	{
	1279	$str = strtolower($str);
	1280	if(in_array($str, array('false', '0', 'no', 'nein', ''), TRUE))
	1281	return FALSE;
	1282	else
	1283	return TRUE;
	1284	}
	1285
	1286
	1287	function show_bytes($numbytes)
	1288	{
	1289	if ($numbytes > 1024)
	1290	return sprintf('%d KB', round($numbytes/1024));
	1291	else
	1292	return sprintf('%d B', $numbytes);
	1293	}
	1294
	1295
	1296	// convert paths like ../xxx to an absolute path using a base url
	1297	function make_absolute_url($path, $base_url)
	1298	{
	1299	$host_url = $base_url;
	1300	$abs_path = $path;
	1301
	1302	// cut base_url to the last directory
	1303	if (strpos($base_url, '/')>7)
	1304	{
	1305	$host_url = substr($base_url, 0, strpos($base_url, '/'));
	1306	$base_url = substr($base_url, 0, strrpos($base_url, '/'));
	1307	}
	1308
	1309	// $path is absolute
	1310	if ($path{0}=='/')
	1311	$abs_path = $host_url.$path;
	1312	else
	1313	{
	1314	// strip './' because its the same as ''
	1315	$path = preg_replace('/^\.\//', '', $path);
	1316
	1317	if(preg_match_all('/\.\.\//', $path, $matches, PREG_SET_ORDER))
	1318	foreach($matches as $a_match)
	1319	{
	1320	if (strrpos($base_url, '/'))
	1321	$base_url = substr($base_url, 0, strrpos($base_url, '/'));
	1322
	1323	$path = substr($path, 3);
	1324	}
	1325
	1326	$abs_path = $base_url.'/'.$path;
	1327	}
	1328
	1329	return $abs_path;
	1330	}
	1331
	1332
	1333
9fee0e	1334	function abbrevate_string($str, $maxlength, $place_holder='...')
T	1335	{
	1336	$length = strlen($str);
	1337	$first_part_length = floor($maxlength/2) - strlen($place_holder);
	1338
	1339	if ($length > $maxlength)
	1340	{
	1341	$second_starting_location = $length - $maxlength + $first_part_length + 1;
	1342	$str = substr($str, 0, $first_part_length) . $place_holder . substr($str, $second_starting_location, $length);
	1343	}
	1344
	1345	return $str;
	1346	}
1cded8	1347
T	1348
	1349	// delete all files within a folder
	1350	function clear_directory($dir_path)
	1351	{
	1352	$dir = @opendir($dir_path);
	1353	if(!$dir) return FALSE;
	1354
	1355	while ($file = readdir($dir))
	1356	if (strlen($file)>2)
	1357	unlink("$dir_path/$file");
	1358
	1359	closedir($dir);
	1360	return TRUE;
	1361	}
9fee0e	1362
T	1363
cc9570	1364	// create a unix timestamp with a specified offset from now
T	1365	function get_offset_time($offset_str, $factor=1)
	1366	{
	1367	if (preg_match('/^([0-9]+)\s*([smhdw])/i', $offset_str, $regs))
	1368	{
	1369	$amount = (int)$regs[1];
	1370	$unit = strtolower($regs[2]);
	1371	}
	1372	else
	1373	{
	1374	$amount = (int)$offset_str;
	1375	$unit = 's';
	1376	}
	1377
	1378	$ts = mktime();
	1379	switch ($unit)
	1380	{
	1381	case 'w':
	1382	$amount *= 7;
	1383	case 'd':
	1384	$amount *= 24;
	1385	case 'h':
	1386	$amount *= 60;
	1387	case 'h':
	1388	$amount *= 60;
	1389	case 's':
	1390	$ts += $amount * $factor;
	1391	}
	1392
	1393	return $ts;
	1394	}
	1395
	1396
f88d41	1397	?>