egroupware_official/phpgwapi/inc/class.html.inc.php

1473 lines
52 KiB
PHP

<?php
/**
* eGroupWare API: generates html with methods representing html-tags or higher widgets
*
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de> complete rewrite in 6/2006 and earlier modifications
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @author RalfBecker-AT-outdoor-training.de
* @copyright 2001-2009 by RalfBecker@outdoor-training.de
* @package api
* @subpackage html
* @version $Id$
*/
/**
* Generates html with methods representing html-tags or higher widgets
*
* The class has only static methods now, so there's no need to instanciate as object anymore!
*/
class html
{
/**
* user-agent: 'firefox', 'msie', 'safari' (incl. iPhone, Chrome), 'opera', 'konqueror', 'mozilla'
* @var string
*/
static $user_agent;
/**
* version of user-agent as specified by browser
* @var string
*/
static $ua_version;
/**
* what attribute to use for the title of an image: 'title' for everything but netscape4='alt'
* @var string
*/
static $netscape4;
static private $prefered_img_title;
/**
* charset used by the page, as returned by $GLOBALS['egw']->translation->charset()
* @var string
*/
static $charset;
/**
* URL (NOT path) of the js directory in the api
* @var string
*/
static $api_js_url;
/**
* do we need to set the wz_tooltip class, to be included at the end of the page
* @var boolean
*/
static private $wz_tooltip_included = False;
/**
* initialise our static vars
*/
static function _init_static()
{
// should be Ok for all HTML 4 compatible browsers
if(!preg_match('/compatible; ([a-z]+)[\/ ]+([0-9.]+)/i',$_SERVER['HTTP_USER_AGENT'],$parts))
{
preg_match_all('/([a-z]+)\/([0-9.]+)/i',$_SERVER['HTTP_USER_AGENT'],$parts,PREG_SET_ORDER);
$parts = array_pop($parts);
}
list(,self::$user_agent,self::$ua_version) = $parts;
if ((self::$user_agent = strtolower(self::$user_agent)) == 'version') self::$user_agent = 'opera';
self::$netscape4 = self::$user_agent == 'mozilla' && self::$ua_version < 5;
self::$prefered_img_title = self::$netscape4 ? 'alt' : 'title';
//echo "<p>HTTP_USER_AGENT='$_SERVER[HTTP_USER_AGENT]', UserAgent: '".self::$user_agent."', Version: '".self::$ua_version."', img_title: '".self::$prefered_img_title."'</p>\n";
if ($GLOBALS['egw']->translation)
{
self::$charset = $GLOBALS['egw']->translation->charset();
}
self::$api_js_url = $GLOBALS['egw_info']['server']['webserver_url'].'/phpgwapi/js';
}
/**
* Created an input-field with an attached color-picker
*
* Please note: it need to be called before the call to egw_header() !!!
*
* @param string $name the name of the input-field
* @param string $value the actual value for the input-field, default ''
* @param string $title tooltip/title for the picker-activation-icon
* @return string the html
*/
static function inputColor($name,$value='',$title='')
{
$id = str_replace(array('[',']'),array('_',''),$name).'_colorpicker';
$onclick = "javascript:window.open('".self::$api_js_url.'/colorpicker/select_color.html?id='.urlencode($id)."&color='+encodeURIComponent(document.getElementById('$id').value),'colorPicker','width=240,height=187,scrollbars=no,resizable=no,toolbar=no');";
return '<input type="text" name="'.$name.'" id="'.$id.'" value="'.self::htmlspecialchars($value).'" size="7" maxsize="7" /> '.
'<a href="#" onclick="'.$onclick.'">'.
'<img src="'.self::$api_js_url.'/colorpicker/ed_color_bg.gif'.'"'.($title ? ' title="'.self::htmlspecialchars($title).'"' : '')." /></a>";
}
/**
* Handles tooltips via the wz_tooltip class from Walter Zorn
*
* Note: The wz_tooltip.js file gets automaticaly loaded at the end of the page
*
* @param string $text text or html for the tooltip, all chars allowed, they will be quoted approperiate
* @param boolean $do_lang (default False) should the text be run though lang()
* @param array $options param/value pairs, eg. 'TITLE' => 'I am the title'. Some common parameters:
* title (string) gives extra title-row, width (int,'auto') , padding (int), above (bool), bgcolor (color), bgimg (URL)
* For a complete list and description see http://www.walterzorn.com/tooltip/tooltip_e.htm
* @return string to be included in any tag, like '<p'.html::tooltip('Hello <b>Ralf</b>').'>Text with tooltip</p>'
*/
static function tooltip($text,$do_lang=False,$options=False)
{
if ($do_lang) $text = lang($text);
$ttip = ' onmouseover="Tip(\''.str_replace(array("\n","\r","'",'"'),array('','',"\\'",'&quot;'),$text).'\'';
$sticky = false;
if (is_array($options))
{
foreach($options as $option => $value)
{
$option = strtoupper($option);
if ($option == 'STICKY') $sticky = (bool)$value;
switch(gettype($value))
{
case 'boolean':
$value = $value ? 'true' : 'false';
break;
case 'string':
if (stripos($value,"'")===false) $value = "'$value'";
break;
}
$ttip .= ','.$option.','.$value;
}
}
$ttip .= ')"';
$ttip .= ' onmouseout="UnTip()"';
return $ttip;
}
/**
* activates URLs in a text, URLs get replaced by html-links
*
* @param string $content text containing URLs
* @return string html with activated links
*/
static function activate_links($content)
{
if (!$content || strlen($content) < 20) return $content; // performance
// Exclude everything which is already a link
$NotAnchor = '(?<!"|href=|href\s=\s|href=\s|href\s=)';
// spamsaver emailaddress
$result = preg_replace('/'.$NotAnchor.'mailto:([a-z0-9._-]+)@([a-z0-9_-]+)\.([a-z0-9._-]+)/i',
'<a href="#" onclick="document.location=\'mai\'+\'lto:\\1\'+unescape(\'%40\')+\'\\2.\\3\'; return false;">\\1 AT \\2 DOT \\3</a>',
$content);
// First match things beginning with http:// (or other protocols)
$Protocol = '(http:\/\/|(ftp:\/\/|https:\/\/))'; // only http:// gets removed, other protocolls are shown
$Domain = '([\w-]+\.[\w-.]+)';
$Subdir = '([\w\-\.,@?^=%&;:\/~\+#]*[\w\-\@?^=%&\/~\+#])?';
$Expr = '/' . $NotAnchor . $Protocol . $Domain . $Subdir . '/i';
$result = preg_replace( $Expr, "<a href=\"$0\" target=\"_blank\">$2$3$4</a>", $result );
// Now match things beginning with www.
$NotHTTP = '(?<!:\/\/|" target=\"_blank\">)'; // avoid running again on http://www links already handled above
$Domain = 'www(\.[\w-.]+)';
$Subdir = '([\w\-\.,@?^=%&:\/~\+#]*[\w\-\@?^=%&\/~\+#])?';
$Expr = '/' . $NotAnchor . $NotHTTP . $Domain . $Subdir . '/i';
return preg_replace( $Expr, "<a href=\"http://$0\" target=\"_blank\">$0</a>", $result );
}
/**
* activates URLs in a text, URLs get replaced by html-links using htmlpurify
*
* @param string $content text containing URLs
* @return string html with activated links
*/
static function activateLinks($content)
{
if (!$content || strlen($content) < 20) return $content; // performance
// spamsaver emailaddress
$result = preg_replace('/'.$NotAnchor.'mailto:([a-z0-9._-]+)@([a-z0-9_-]+)\.([a-z0-9._-]+)/i',
'<a href="#" onclick="document.location=\'mai\'+\'lto:\\1\'+unescape(\'%40\')+\'\\2.\\3\'; return false;">\\1 AT \\2 DOT \\3</a>',
$content);
$config = self::purifyCreateDefaultConfig();
$config->set('Core.Encoding', (self::$charset?self::$charset:'UTF-8'));
// maybe the two following lines are useful for caching???
$config->set('HTML.DefinitionID', 'activatelinks');
$config->set('HTML.DefinitionRev', 1);
// doctype and tidylevel
$config->set('HTML.Doctype', 'XHTML 1.0 Transitional');
$config->set('HTML.TidyLevel', 'light');
// EnableID is needed for anchor tags
$config->set('Attr.EnableID',true);
// enable target attributes
$config->set('Attr.AllowedFrameTargets','_blank,_top,_self,_parent');
// actual allowed tags and attributes
$config->set('URI.AllowedSchemes', array('http'=>true, 'https'=>true, 'ftp'=>true, 'file'=>true, 'cid'=>true));
$config->set('AutoFormat.RemoveEmpty', true);
$config->set('HTML.Allowed', 'br,p[align],b,i,u,s,em,pre,tt,strong,strike,center,div[align|style],hr[class|style],'.
'font[size|color],'.
'ul[type],ol[type|start],li,'.
'h1,h2,h3,h4,h5,h6,'.
'span[class|style],'.
'table[class|border|cellpadding|cellspacing|width|style|align|bgcolor|align],'.
'tbody,thead,tfoot,colgroup,'.
'col[width|span],'.
'blockquote[class|cite|dir],'.
'tr[class|style|align|bgcolor|align|valign],'.
'td[class|colspan|rowspan|width|style|align|bgcolor|align|valign|nowrap],'.
'th[class|colspan|rowspan|width|style|align|bgcolor|align|valign|nowrap],'.
'a[href|target|name|title],'.
'img[src|alt|title|align|style|width|height]');
$config->set('Attr.DefaultInvalidImage', 'Image removed by htmlpurify');
$config->set('Cache.SerializerPath', ($GLOBALS['egw_info']['server']['temp_dir']?$GLOBALS['egw_info']['server']['temp_dir']:sys_get_temp_dir()));
$config->set('AutoFormat.Linkify',true);
return self::purify($result,$config);
}
/**
* deactivates URLs in a text, URLs get replaced by html-links using htmlpurify
*
* @param string $content text containing URLs
* @return string html with activated links
*/
static function deactivateLinks($_html)
{
$config = self::purifyCreateDefaultConfig();
$config->set('Core.Encoding', (self::$charset?self::$charset:'UTF-8'));
// maybe the two following lines are useful for caching???
$config->set('HTML.DefinitionID', 'deactivatelinks');
$config->set('HTML.DefinitionRev', 1);
// doctype and tidylevel
$config->set('HTML.Doctype', 'XHTML 1.0 Transitional');
$config->set('HTML.TidyLevel', 'light');
// EnableID is needed for anchor tags
$config->set('Attr.EnableID',true);
// enable target attributes
$config->set('Attr.AllowedFrameTargets','_blank,_top,_self,_parent');
// actual allowed tags and attributes
$config->set('URI.AllowedSchemes', array('http'=>true, 'https'=>true, 'ftp'=>true, 'file'=>true, 'cid'=>true));
$config->set('AutoFormat.RemoveEmpty', true);
$config->set('HTML.Allowed', 'br,p[align],b,i,u,s,em,pre,tt,strong,strike,center,div[align|style],hr[class|style],'.
'font[size|color],'.
'ul[type],ol[type|start],li,'.
'h1,h2,h3,h4,h5,h6,'.
'span[class|style],'.
'table[class|border|cellpadding|cellspacing|width|style|align|bgcolor|align],'.
'tbody,thead,tfoot,colgroup,'.
'col[width|span],'.
'blockquote[class|cite|dir],'.
'tr[class|style|align|bgcolor|align|valign],'.
'td[class|colspan|rowspan|width|style|align|bgcolor|align|valign|nowrap],'.
'th[class|colspan|rowspan|width|style|align|bgcolor|align|valign|nowrap],'.
'a[href|target|name|title],'.
'img[src|alt|title|align|style|width|height]');
$config->set('Attr.DefaultInvalidImage', 'Image removed by htmlpurify');
$config->set('Cache.SerializerPath', ($GLOBALS['egw_info']['server']['temp_dir']?$GLOBALS['egw_info']['server']['temp_dir']:sys_get_temp_dir()));
$config->set('AutoFormat.DisplayLinkURI',true);
$_html = self::purify($_html,$config);
return $_html;
}
/**
* escapes chars with special meaning in html as entities
*
* Allows to use and char in the html-output and prefents XSS attacks.
* Some entities are allowed and get NOT escaped:
* - &# some translations (AFAIK the arabic ones) need this
* - &nbsp; &lt; &gt; for convinience
*
* @param string $str string to escape
* @return string
*/
static function htmlspecialchars($str)
{
// add @ by lkneschke to supress warning about unknown charset
$str = @htmlspecialchars($str,ENT_COMPAT,self::$charset);
// we need '&#' unchanged, so we translate it back
$str = str_replace(array('&amp;#','&amp;nbsp;','&amp;lt;','&amp;gt;'),array('&#','&nbsp;','&lt;','&gt;'),$str);
return $str;
}
/**
* allows to show and select one item from an array
*
* @param string $name string with name of the submitted var which holds the key of the selected item form array
* @param string/array $key key(s) of already selected item(s) from $arr, eg. '1' or '1,2' or array with keys
* @param array $arr array with items to select, eg. $arr = array ( 'y' => 'yes','n' => 'no','m' => 'maybe');
* @param boolean $no_lang NOT run the labels of the options through lang(), default false=use lang()
* @param string $options additional options (e.g. 'width')
* @param int $multiple number of lines for a multiselect, default 0 = no multiselect, < 0 sets size without multiple
* @return string to set for a template or to echo into html page
*/
static function select($name, $key, $arr=0,$no_lang=false,$options='',$multiple=0)
{
if (!is_array($arr))
{
$arr = array('no','yes');
}
if ((int)$multiple > 0)
{
$options .= ' multiple="1" size="'.(int)$multiple.'"';
if (substr($name,-2) != '[]')
{
$name .= '[]';
}
}
elseif($multiple < 0)
{
$options .= ' size="'.abs($multiple).'"';
}
// fix width for MSIE in/for selectboxes
if (self::$user_agent == 'msie')
{
if (stripos($options,'onfocus="') === false)
{
$options .= ' onfocus="window.dropdown_menu_hack(this);" ';
}
else
{
$options = str_ireplace('onfocus="','onfocus="window.dropdown_menu_hack(this);',$options);
}
}
$out = "<select name=\"$name\" $options>\n";
if (!is_array($key))
{
// explode on ',' only if multiple values expected and the key contains just numbers and commas
$key = $multiple > 0 && preg_match('/^[,0-9]+$/',$key) ? explode(',',$key) : array($key);
}
foreach($arr as $k => $data)
{
if (!is_array($data) || count($data) == 2 && isset($data['label']) && isset($data['title']))
{
$out .= self::select_option($k,is_array($data)?$data['label']:$data,$key,$no_lang,
is_array($data)?$data['title']:'');
}
else
{
if (isset($data['lable']))
{
$k = $data['lable'];
unset($data['lable']);
}
$out .= '<optgroup label="'.self::htmlspecialchars($no_lang || $k == '' ? $k : lang($k))."\">\n";
foreach($data as $k => $label)
{
$out .= self::select_option($k,is_array($label)?$label['label']:$label,$key,$no_lang,
is_array($label)?$lable['title']:'');
}
$out .= "</optgroup>\n";
}
}
$out .= "</select>\n";
return $out;
}
/**
* emulating a multiselectbox using checkboxes
*
* Unfortunaly this is not in all aspects like a multi-selectbox, eg. you cant select options via javascript
* in the same way. Therefor I made it an extra function.
*
* @param string $name string with name of the submitted var which holds the key of the selected item form array
* @param string/array $key key(s) of already selected item(s) from $arr, eg. '1' or '1,2' or array with keys
* @param array $arr array with items to select, eg. $arr = array ( 'y' => 'yes','n' => 'no','m' => 'maybe');
* @param boolean $no_lang NOT run the labels of the options through lang(), default false=use lang()
* @param string $options additional options (e.g. 'width')
* @param int $multiple number of lines for a multiselect, default 3
* @param boolean $selected_first show the selected items before the not selected ones, default true
* @param string $style='' extra style settings like "width: 100%", default '' none
* @return string to set for a template or to echo into html page
*/
static function checkbox_multiselect($name, $key, $arr=0,$no_lang=false,$options='',$multiple=3,$selected_first=true,$style='')
{
//echo "<p align=right>checkbox_multiselect('$name',".print_r($key,true).",".print_r($arr,true).",$no_lang,'$options',$multiple,$selected_first,'$style')</p>\n";
if (!is_array($arr))
{
$arr = array('no','yes');
}
if ((int)$multiple <= 0) $multiple = 1;
if (substr($name,-2) != '[]')
{
$name .= '[]';
}
$base_name = substr($name,0,-2);
if (!is_array($key))
{
// explode on ',' only if multiple values expected and the key contains just numbers and commas
$key = preg_match('/^[,0-9]+$/',$key) ? explode(',',$key) : array($key);
}
$html = '';
$options_no_id = preg_replace('/id="[^"]+"/i','',$options);
if ($selected_first)
{
$selected = $not_selected = array();
foreach($arr as $val => $label)
{
if (in_array($val,$key,!$val))
{
$selected[$val] = $label;
}
else
{
$not_selected[$val] = $label;
}
}
$arr = $selected + $not_selected;
}
foreach($arr as $val => $label)
{
if (is_array($label))
{
$title = $label['title'];
$label = $label['label'];
}
else
{
$title = '';
}
if ($label && !$no_lang) $label = lang($label);
if ($title && !$no_lang) $title = lang($title);
if (strlen($label) > $max_len) $max_len = strlen($label);
$html .= self::label(self::checkbox($name,in_array($val,$key),$val,$options_no_id.
' id="'.$base_name.'['.$val.']'.'"').self::htmlspecialchars($label),
$base_name.'['.$val.']','',($title ? 'title="'.self::htmlspecialchars($title).'" ':''))."<br />\n";
}
if ($style && substr($style,-1) != ';') $style .= '; ';
if (strpos($style,'height')===false) $style .= 'height: '.(1.7*$multiple).'em; ';
if (strpos($style,'width')===false) $style .= 'width: '.(4+$max_len*($max_len < 15 ? 0.65 : 0.6)).'em; ';
$style .= 'background-color: white; overflow: auto; border: lightgray 2px inset; text-align: left;';
return self::div($html,$options,'',$style);
}
/**
* generates an option-tag for a selectbox
*
* @param string $value value
* @param string $label label
* @param mixed $selected value or array of values of options to mark as selected
* @param boolean $no_lang NOT running the label through lang(), default false=use lang()
* @return string html
*/
static function select_option($value,$label,$selected,$no_lang=0,$title='')
{
// the following compares strict as strings, to archive: '0' == 0 != ''
// the first non-strict search via array_search, is for performance reasons, to not always search the whole array with php
if (($found = ($key = array_search($value,$selected)) !== false) && (string) $value !== (string) $selected[$key])
{
$found = false;
foreach($selected as $sel)
{
if ($found = (((string) $value) === ((string) $selected[$key]))) break;
}
}
return '<option value="'.self::htmlspecialchars($value).'"'.($found ? ' selected="selected"' : '') .
($title ? ' title="'.self::htmlspecialchars($no_lang ? $title : lang($title)).'"' : '') . '>'.
self::htmlspecialchars($no_lang || $label == '' ? $label : lang($label)) . "</option>\n";
}
/**
* generates a div-tag
*
* @param string $content of a div, or '' to generate only the opening tag
* @param string $options to include in the tag, default ''=none
* @param string $class css-class attribute, default ''=none
* @param string $style css-styles attribute, default ''=none
* @return string html
*/
static function div($content,$options='',$class='',$style='')
{
if ($class) $options .= ' class="'.$class.'"';
if ($style) $options .= ' style="'.$style.'"';
return "<div $options>\n".($content ? "$content</div>\n" : '');
}
/**
* generate one or more hidden input tag(s)
*
* @param array/string $vars var-name or array with name / value pairs
* @param string $value value if $vars is no array, default ''
* @param boolean $ignore_empty if true all empty, zero (!) or unset values, plus filer=none
* @param string html
*/
static function input_hidden($vars,$value='',$ignore_empty=True)
{
if (!is_array($vars))
{
$vars = array( $vars => $value );
}
foreach($vars as $name => $value)
{
if (is_array($value))
{
$value = serialize($value);
}
if (!$ignore_empty || $value && !($name == 'filter' && $value == 'none')) // dont need to send all the empty vars
{
$html .= "<input type=\"hidden\" name=\"$name\" value=\"".self::htmlspecialchars($value)."\" />\n";
}
}
return $html;
}
/**
* generate a textarea tag
*
* @param string $name name attr. of the tag
* @param string $value default
* @param boolean $ignore_empty if true all empty, zero (!) or unset values, plus filer=none
* @param string html
*/
static function textarea($name,$value='',$options='' )
{
return "<textarea name=\"$name\" $options>".self::htmlspecialchars($value)."</textarea>\n";
}
/**
* Checks if HTMLarea (or an other richtext editor) is availible for the used browser
*
* @return boolean
*/
static function htmlarea_availible()
{
/* require_once(EGW_INCLUDE_ROOT.'/phpgwapi/js/fckeditor/fckeditor.php');
// use FCKeditor's own check
return FCKeditor_IsCompatibleBrowser();*/
//CKeditor3 will check availability for us
return true;
}
/**
* compability static function for former used htmlarea. Please use static function fckeditor now!
*
* creates a textarea inputfield for the htmlarea js-widget (returns the necessary html and js)
*/
static function htmlarea($name,$content='',$style='',$base_href='',$plugins='',$custom_toolbar='',$set_width_height_in_config=false)
{
/*if (!self::htmlarea_availible())
{
return self::textarea($name,$content,'style="'.$style.'"');
}*/
return self::fckEditor($name, $content, ($style ? $style : 'extended'), array('toolbar_expanded' =>'true'), '400px', '100%', $base_href);
}
/**
* this static function is a wrapper for fckEditor to create some reuseable layouts
*
* @param string $_name name and id of the input-field
* @param string $_content of the tinymce (will be run through htmlspecialchars !!!), default ''
* @param string $_mode display mode of the tinymce editor can be: simple, extended or advanced
* @param array $_options (toolbar_expanded true/false)
* @param string $_height='400px'
* @param string $_width='100%'
* @param string $_start_path='' if passed activates the browser for image at absolute path passed
* @param boolean $_purify=true run $_content through htmlpurifier before handing it to fckEditor
* @return string the necessary html for the textarea
*/
static function fckEditor($_name, $_content, $_mode, $_options=array('toolbar_expanded' =>'true'),
$_height='400px', $_width='100%',$_start_path='',$_purify=true)
{
if (!self::htmlarea_availible() || $_mode == 'ascii')
{
return self::textarea($_name,$_content,'style="width: '.$_width.'; height: '.$_height.';"');
}
//include the ckeditor js file
egw_framework::validate_file('ckeditor3','ckeditor','phpgwapi');
// run content through htmlpurifier
if ($_purify && !empty($_content))
$_content = self::purify($_content);
// By default the editor start expanded
$expanded = isset($_options['toolbar_expanded']) ?
$_options['toolbar_expanded'] == 'true' : true;
//Get the height in pixels from the pixels parameter
$pxheight = (strpos('px', $_height) === false) ?
(empty($_height) ? 400 : $_height) : str_replace('px', '', $_height);
return '
<textarea name="'.$_name.'">'.htmlspecialchars($_content).'</textarea>
<script type="text/javascript">
window.CKEDITOR_BASEPATH="'.$GLOBALS['egw_info']['server']['webserver_url'].'/phpgwapi/js/ckeditor3/";
CKEDITOR.replace("'.$_name.'", '.egw_ckeditor_config::get_ckeditor_config($_mode,
$pxheight, $expanded, $_start_path).');
CKEDITOR.instances["'.$_name.'"].on(
"instanceReady",
function (ev)
{
ev.editor.resize("100%", '.str_replace('px', '', $pxheight).');
}
);
</script>
';
}
/**
* this static function is a wrapper for tinymce to create some reuseable layouts
*
* Please note: if you did not run init_tinymce already you this static function need to be called before the call to phpgw_header() !!!
*
* @param string $_name name and id of the input-field
* @param string $_mode display mode of the tinymce editor can be: simple, extended or advanced
* @param string $_content='' of the tinymce (will be run through htmlspecialchars !!!), default ''
* @param string $_height='400px'
* @param string $_width='100%'
* @param boolean $_purify=true
* @return string the necessary html for the textarea
*/
static function fckEditorQuick($_name, $_mode, $_content='', $_height='400px', $_width='100%',$_purify=true)
{
if (!self::htmlarea_availible() || $_mode == 'ascii')
{
return "<textarea name=\"$_name\" style=\"width:100%; height:400px; border:0px;\">$_content</textarea>";
}
else
{
return self::fckEditor($_name, $_content, $_mode, array(), $_height, $_width,'',$_purify);
}
}
/**
* represents html's input tag
*
* @param string $name name
* @param string $value default value of the field
* @param string $type type, default ''=not specified = text
* @param string $options attributes for the tag, default ''=none
*/
static function input($name,$value='',$type='',$options='' )
{
if ($type)
{
$type = 'type="'.$type.'"';
}
return "<input $type name=\"$name\" value=\"".self::htmlspecialchars($value)."\" $options />\n";
}
/**
* represents html's button (input type submit or input type button or image)
*
* @param string $name name
* @param string $label label of the button
* @param string $onClick javascript to call, when button is clicked
* @param boolean $no_lang NOT running the label through lang(), default false=use lang()
* @param string $options attributes for the tag, default ''=none
* @param string $image to show instead of the label, default ''=none
* @param string $app app to search the image in
* @param string $buttontype which type of html button (button|submit), default ='submit'
* @return string html
*/
static function submit_button($name,$label,$onClick='',$no_lang=false,$options='',$image='',$app='phpgwapi', $buttontype='submit')
{
// workaround for idots and IE button problem (wrong cursor-image)
if (self::$user_agent == 'msie')
{
$options .= ' style="cursor: pointer;"';
}
if ($image != '')
{
$image = str_replace(array('.gif','.GIF','.png','.PNG'),'',$image);
if (!($path = $GLOBALS['egw']->common->image($app,$image)))
{
$path = $image; // name may already contain absolut path
}
$image = ' src="'.$path.'"';
}
if (!$no_lang)
{
$label = lang($label);
}
if (($accesskey = @strstr($label,'&')) && $accesskey[1] != ' ' &&
(($pos = strpos($accesskey,';')) === false || $pos > 5))
{
$label_u = str_replace('&'.$accesskey[1],'<u>'.$accesskey[1].'</u>',$label);
$label = str_replace('&','',$label);
$options = 'accesskey="'.$accesskey[1].'" '.$options;
}
else
{
$accesskey = '';
$label_u = $label;
}
if ($onClick) $options .= ' onclick="'.str_replace('"','\\"',$onClick).'"';
// <button> is not working in all cases if (self::$user_agent == 'mozilla' && self::$ua_version < 5 || $image)
{
return self::input($name,$label,$image != '' ? 'image' : $buttontype,$options.$image);
}
return '<button type="'.$buttontype.'" name="'.$name.'" value="'.$label.'" '.$options.' />'.
($image != '' ? /*self::image($app,$image,$label,$options)*/'<img'.$image.' '.self::$prefered_img_title.'="'.$label.'"> ' : '').
($image == '' || $accesskey ? $label_u : '').'</button>';
}
/**
* creates an absolut link + the query / get-variables
*
* Example link('/index.php?menuaction=infolog.uiinfolog.get_list',array('info_id' => 123))
* gives 'http://domain/phpgw-path/index.php?menuaction=infolog.uiinfolog.get_list&info_id=123'
*
* @param string $url phpgw-relative link, may include query / get-vars
* @param array/string $vars query or array ('name' => 'value', ...) with query
* @return string absolut link already run through $phpgw->link
*/
static function link($url,$vars='')
{
//echo "<p>html::link(url='$url',vars='"; print_r($vars); echo "')</p>\n";
if (!is_array($vars))
{
parse_str($vars,$vars);
}
list($url,$v) = explode('?',$url); // url may contain additional vars
if ($v)
{
parse_str($v,$v);
$vars += $v;
}
return $GLOBALS['egw']->link($url,$vars);
}
/**
* represents html checkbox
*
* @param string $name name
* @param boolean $checked box checked on display
* @param string $value value the var should be set to, default 'True'
* @param string $options attributes for the tag, default ''=none
* @return string html
*/
static function checkbox($name,$checked=false,$value='True',$options='')
{
return '<input type="checkbox" name="'.$name.'" value="'.self::htmlspecialchars($value).'"' .($checked ? ' checked="1"' : '') . "$options />\n";
}
/**
* represents a html form
*
* @param string $content of the form, if '' only the opening tag gets returned
* @param array $hidden_vars array with name-value pairs for hidden input fields
* @param string $url eGW relative URL, will be run through the link function, if empty the current url is used
* @param string/array $url_vars parameters for the URL, send to link static function too
* @param string $name name of the form, defaul ''=none
* @param string $options attributes for the tag, default ''=none
* @param string $method method of the form, default 'POST'
* @return string html
*/
static function form($content,$hidden_vars,$url,$url_vars='',$name='',$options='',$method='POST')
{
$url = $url ? self::link($url,$url_vars) : $_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING'];
$html = "<form method=\"$method\" ".($name != '' ? "name=\"$name\" " : '')."action=\"$url\" $options>\n";
$html .= self::input_hidden($hidden_vars);
if ($content)
{
$html .= $content;
$html .= "</form>\n";
}
return $html;
}
/**
* represents a html form with one button
*
* @param string $name name of the button
* @param string $label label of the button
* @param array $hidden_vars array with name-value pairs for hidden input fields
* @param string $url eGW relative URL, will be run through the link function
* @param string/array $url_vars parameters for the URL, send to link static function too
* @param string $options attributes for the tag, default ''=none
* @param string $form_name name of the form, defaul ''=none
* @param string $method method of the form, default 'POST'
* @return string html
*/
static function form_1button($name,$label,$hidden_vars,$url,$url_vars='',$form_name='',$method='POST')
{
return self::form(self::submit_button($name,$label),$hidden_vars,$url,$url_vars,$form_name,'',$method);
}
const THEAD = 1;
const TFOOT = 2;
const TBODY = 3;
static $part2tag = array(
self::THEAD => 'thead',
self::TFOOT => 'tfoot',
self::TBODY => 'tbody',
);
/**
* creates table from array of rows
*
* abstracts the html stuff for the table creation
* Example: $rows = array (
* 'h1' => array( // optional header row(s)
* ),
* 'f1' => array( // optional footer row(s)
* ),
* '1' => array(
* 1 => 'cell1', '.1' => 'colspan=3',
* 2 => 'cell2',
* 3 => 'cell3', '.3' => 'width="10%"'
* ),'.1' => 'BGCOLOR="#0000FF"' );
* table($rows,'width="100%"') = '<table width="100%"><tr><td colspan=3>cell1</td><td>cell2</td><td width="10%">cell3</td></tr></table>'
*
* @param array $rows with rows, each row is an array of the cols
* @param string $options options for the table-tag
* @param boolean $no_table_tr dont return the table- and outmost tr-tabs, default false=return table+tr
* @return string with html-code of the table
*/
static function table($rows,$options = '',$no_table_tr=False)
{
$html = $no_table_tr ? '' : "<table $options>\n";
$part = 0;
foreach($rows as $key => $row)
{
if (!is_array($row))
{
continue; // parameter
}
// get the current part from the optional 'h' or 'f' prefix of the key
$p = $key[0] == 'h' ? html::THEAD : ($key[0] == 'f' ? html::TFOOT : html::TBODY);
if ($part < $p && ($part || $p < self::TBODY)) // add only allowed and neccessary transitions
{
if ($part) $html .= '</'.self::$part2tag[$part].">\n";
$html .= '<'.self::$part2tag[$part=$p].">\n";
}
$html .= $no_table_tr && $key == 1 ? '' : "\t<tr ".$rows['.'.$key].">\n";
foreach($row as $key => $cell)
{
if ($key[0] == '.')
{
continue; // parameter
}
$table_pos = strpos($cell,'<table');
$td_pos = strpos($cell,'<td');
if ($td_pos !== False && ($table_pos === False || $td_pos < $table_pos))
{
$html .= $cell;
}
else
{
$html .= "\t\t<td ".$row['.'.$key].">$cell</td>\n";
}
}
$html .= "\t</tr>\n";
}
if (!is_array($rows))
{
echo "<p>".function_backtrace()."</p>\n";
}
if ($part) // close current part
{
$html .= "</".self::$part2tag[$part].">\n";
}
$html .= "</table>\n";
if ($no_table_tr)
{
$html = substr($html,0,-16);
}
return $html;
}
/**
* changes a selectbox to submit the form if it gets changed, to be used with the sbox-class
*
* @param string $sbox html with the select-box
* @param boolean $no_script if true generate a submit-button if javascript is off
* @return string html
*/
static function sbox_submit( $sbox,$no_script=false )
{
$html = str_replace('<select','<select onchange="this.form.submit()" ',$sbox);
if ($no_script)
{
$html .= '<noscript>'.self::submit_button('send','>').'</noscript>';
}
return $html;
}
/**
* html-widget showing progessbar with a view div's (html4 only, textual percentage otherwise)
*
* @param mixed $percent percent-value, gets casted to int
* @param string $title title for the progressbar, default ''=the percentage itself
* @param string $options attributes for the outmost div (may include onclick="...")
* @param string $width width, default 30px
* @param string $color color, default '#D00000' (dark red)
* @param string $height height, default 5px
* @return string html
*/
static function progressbar( $percent,$title='',$options='',$width='',$color='',$height='' )
{
$percent = (int) $percent;
if (!$width) $width = '30px';
if (!$height)$height= '5px';
if (!$color) $color = '#D00000';
$title = $title ? self::htmlspecialchars($title) : $percent.'%';
if (self::$netscape4)
{
return $title;
}
return '<div class="onlyPrint">'.$title.'</div><div class="noPrint" title="'.$title.'" '.$options.
' style="height: '.$height.'; width: '.$width.'; border: 1px solid black; padding: 1px; text-align: left;'.
(@stristr($options,'onclick="') ? ' cursor: pointer;' : '').'">'."\n\t".
'<div style="height: '.$height.'; width: '.$percent.'%; background: '.$color.';"></div>'."\n</div>\n";
}
/**
* representates a html img tag, output a picture
*
* If the name ends with a '%' and the rest is numeric, a progressionbar is shown instead of an image.
* The vfs:/ pseudo protocoll allows to access images in the vfs, eg. vfs:/home/ralf/me.png
* Instead of a name you specify an array with get-vars, it is passed to eGW's link function.
* This way session-information gets passed, eg. $name=array('menuaction'=>'myapp.class.image','id'=>123).
*
* @param string $app app-name to search the image
* @param string/array $name image-name or URL (incl. vfs:/) or array with get-vars
* @param string $title tooltip, default '' = none
* @param string $options further options for the tag, default '' = none
* @return string the html
*/
static function image( $app,$name,$title='',$options='' )
{
if (is_array($name)) // menuaction and other get-vars
{
$name = $GLOBALS['egw']->link('/index.php',$name);
}
if (substr($name,0,5) == 'vfs:/') // vfs pseudo protocoll
{
$name = egw::link(egw_vfs::download_url(substr($name,4)));
}
if ($name[0] == '/' || substr($name,0,7) == 'http://' || substr($name,0,8) == 'https://' || stripos($name,'etemplate/thumbnail.php') )
{
if (!($name[0] == '/' || substr($name,0,7) == 'http://' || substr($name,0,8) == 'https://')) $name = '/'.$name;
$url = $name;
}
else // no URL, so try searching the image
{
$name = str_replace(array('.gif','.GIF','.png','.PNG'),'',$name);
if (!($url = $GLOBALS['egw']->common->image($app,$name)))
{
$url = $name; // name may already contain absolut path
}
if($GLOBALS['egw_info']['server']['webserver_url'])
{
list(,$path) = explode($GLOBALS['egw_info']['server']['webserver_url'],$url);
if (!is_null($path)) $path = EGW_SERVER_ROOT.$path;
}
else
{
$path = EGW_SERVER_ROOT.$url;
}
if (is_null($path) || (!@is_readable($path) && stripos($path,'webdav.php')===false))
{
// if the image-name is a percentage, use a progressbar
if (substr($name,-1) == '%' && is_numeric($percent = substr($name,0,-1)))
{
return self::progressbar($percent,$title);
}
return $title;
}
}
if ($title)
{
$options .= ' '.self::$prefered_img_title.'="'.self::htmlspecialchars($title).'"';
}
// This block makes pngfix.js useless, adding a check on disable_pngfix to have pngfix.js do its thing
if (self::$user_agent == 'msie' && self::$ua_version < 7.0 && substr($url,-4) == '.png' && ($GLOBALS['egw_info']['user']['preferences']['common']['disable_pngfix'] || !isset($GLOBALS['egw_info']['user']['preferences']['common']['disable_pngfix'])))
{
$extra_styles = "display: inline-block; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='$url',sizingMethod='image'); width: 1px; height: 1px;";
if (false!==strpos($options,'style="'))
{
$options = str_replace('style="','style="'.$extra_styles, $options);
}
else
{
$options .= ' style="'.$extra_styles.'"';
}
return "<span $options></span>";
}
return "<img src=\"$url\" $options />";
}
/**
* representates a html link
*
* @param string $content of the link, if '' only the opening tag gets returned
* @param string $url eGW relative URL, will be run through the link function
* @param string/array $vars parameters for the URL, send to link static function too
* @param string $options attributes for the tag, default ''=none
* @return string the html
*/
static function a_href( $content,$url,$vars='',$options='')
{
if (is_array($url))
{
$vars = $url;
$url = '/index.php';
}
elseif (strpos($url,'/')===false &&
count(explode('.',$url)) >= 3 &&
!(strpos($url,'mailto:')!==false ||
strpos($url,'://')!==false ||
strpos($url,'javascript:')!==false))
{
$url = "/index.php?menuaction=$url";
}
if ($url[0] == '/') // link relative to eGW
{
$url = self::link($url,$vars);
}
//echo "<p>html::a_href('".htmlspecialchars($content)."','$url',".print_r($vars,True).") = ".self::link($url,$vars)."</p>";
return '<a href="'.$url.'" '.$options.'>'.$content.'</a>';
}
/**
* representates a b tab (bold)
*
* @param string $content of the link, if '' only the opening tag gets returned
* @return string the html
*/
static function bold($content)
{
return '<b>'.$content.'</b>';
}
/**
* representates a i tab (bold)
*
* @param string $content of the link, if '' only the opening tag gets returned
* @return string the html
*/
static function italic($content)
{
return '<i>'.$content.'</i>';
}
/**
* representates a hr tag (horizontal rule)
*
* @param string $width default ''=none given
* @param string $options attributes for the tag, default ''=none
* @return string the html
*/
static function hr($width='',$options='')
{
if ($width) $options .= " width=\"$width\"";
return "<hr $options />\n";
}
/**
* formats option-string for most of the above functions
*
* Example: formatOptions('100%,,1','width,height,border') = ' width="100%" border="1"'
*
* @param mixed $options String (or Array) with option-values eg. '100%,,1'
* @param mixed $names String (or Array) with the option-names eg. 'WIDTH,HEIGHT,BORDER'
* @return string with options/attributes
*/
static function formatOptions($options,$names)
{
if (!is_array($options)) $options = explode(',',$options);
if (!is_array($names)) $names = explode(',',$names);
foreach($options as $n => $val)
{
if ($val != '' && $names[$n] != '')
{
$html .= ' '.strtolower($names[$n]).'="'.$val.'"';
}
}
return $html;
}
/**
* returns simple stylesheet (incl. <STYLE> tags) for nextmatch row-colors
*
* @deprecated included now always by the framework
* @return string classes 'th' = nextmatch header, 'row_on'+'row_off' = alternating rows
*/
static function themeStyles()
{
return self::style(self::theme2css());
}
/**
* returns simple stylesheet for nextmatch row-colors
*
* @deprecated included now always by the framework
* @return string classes 'th' = nextmatch header, 'row_on'+'row_off' = alternating rows
*/
static function theme2css()
{
return ".th { background: ".$GLOBALS['egw_info']['theme']['th_bg']."; }\n".
".row_on,.th_bright { background: ".$GLOBALS['egw_info']['theme']['row_on']."; }\n".
".row_off { background: ".$GLOBALS['egw_info']['theme']['row_off']."; }\n";
}
/**
* html style tag (incl. type)
*
* @param string $styles css-style definitions
* @return string html
*/
static function style($styles)
{
return $styles ? "<style type=\"text/css\">\n<!--\n$styles\n-->\n</style>" : '';
}
/**
* html label tag
*
* @param string $content the label
* @param string $id for the for attribute, default ''=none
* @param string $accesskey accesskey, default ''=none
* @param string $options attributes for the tag, default ''=none
* @return string the html
*/
static function label($content,$id='',$accesskey='',$options='')
{
if ($id != '')
{
$id = " for=\"$id\"";
}
if ($accesskey != '')
{
$accesskey = " accesskey=\"$accesskey\"";
}
return "<label$id$accesskey $options>$content</label>";
}
/**
* html fieldset, eg. groups a group of radiobuttons
*
* @param string $content the content
* @param string $legend legend / label of the fieldset, default ''=none
* @param string $options attributes for the tag, default ''=none
* @return string the html
*/
static function fieldset($content,$legend='',$options='')
{
$html = "<fieldset $options>".($legend ? '<legend>'.self::htmlspecialchars($legend).'</legend>' : '')."\n";
if ($content)
{
$html .= $content;
$html .= "\n</fieldset>\n";
}
return $html;
}
/**
* tree widget using dhtmlXtree
*
* Code inspired by Lars's Felamimail uiwidgets::createFolderTree()
*
* @author Lars Kneschke <lars-AT-kneschke.de> original code in felamimail
* @param array $_folders array of folders: pairs path => node (string label or array with keys: label, (optional) image, (optional) title, (optional) checked)
* @param string $_selected path of selected folder
* @param mixed $_topFolder=false node of topFolder or false for none
* @param string $_onNodeSelect='alert' js static function to call if node gets selected
* @param string $_tree='foldertree' id of the div and name of the variable containing the tree object
* @param string $_divClass='' css class of the div
* @param string $_leafImage='' default image of a leaf-node, ''=default of foldertree, set it eg. 'folderClosed.gif' to show leafs as folders
* @param boolean/string $_onCheckHandler=false string with handler-name to display a checkbox for each folder, or false (default), 'null' switches checkboxes on without an handler!
* @param string $delimiter='/' path-delimiter, default /
* @param mixed $folderImageDir=null string path to the tree menu images, null uses default path
*
* @return string the html code, to be added into the template
*/
static function tree($_folders,$_selected,$_topFolder=false,$_onNodeSelect="null",$tree='foldertree',$_divClass='',$_leafImage='',$_onCheckHandler=false,$delimiter='/',$folderImageDir=null)
{
if(is_null($folderImageDir))
{
$folderImageDir = $GLOBALS['egw_info']['server']['webserver_url'].'/phpgwapi/templates/default/images/';
}
static $tree_initialised=false;
if (!$tree_initialised)
{
$html .= '<link rel="STYLESHEET" type="text/css" href="'.$GLOBALS['egw_info']['server']['webserver_url'].'/phpgwapi/js/dhtmlxtree/css/dhtmlXTree.css" />'."\n";
$html .= "<script type='text/javascript' src='{$GLOBALS['egw_info']['server']['webserver_url']}/phpgwapi/js/dhtmlxtree/js/dhtmlXCommon.js'></script>\n";
$html .= "<script type='text/javascript' src='{$GLOBALS['egw_info']['server']['webserver_url']}/phpgwapi/js/dhtmlxtree/js/dhtmlXTree.js'></script>\n";
$tree_initialised = true;
if (!$_folders) return $html;
}
$html = self::div("\n",'id="'.$tree.'"',$_divClass).$html;
$html .= "<script type='text/javascript'>\n";
$html .= "var $tree = new dhtmlXTreeObject('$tree','100%','100%',0);\n";
$html .= "$tree.setImagePath('$folderImageDir/dhtmlxtree/');\n";
if($_onCheckHandler)
{
$html .= "$tree.enableCheckBoxes(1);\n";
$html .= "$tree.setOnCheckHandler('$_onCheckHandler');\n";
}
$top = 0;
if ($_topFolder)
{
$top = '--topfolder--';
$topImage = '';
if (is_array($_topFolder))
{
$label = $_topFolder['label'];
if (isset($_topFolder['image']))
{
$topImage = $_topFolder['image'];
}
}
else
{
$label = $_topFolder;
}
$html .= "\n$tree.insertNewItem(0,'$top','".addslashes($label)."',$_onNodeSelect,'$topImage','$topImage','$topImage','CHILD,TOP');\n";
if (is_array($_topFolder) && isset($_topFolder['title']))
{
$html .= "$tree.setItemText('$top','".addslashes($label)."','".addslashes($_topFolder['title'])."');\n";
}
}
// evtl. remove leading delimiter
if ($_selected[0] == $delimiter) $_selected = substr($_selected,1);
foreach($_folders as $path => $data)
{
if (!is_array($data))
{
$data = array('label' => $data);
}
$image1 = $image2 = $image3 = '0';
if (isset($data['image']))
{
$image1 = $image2 = $image3 = "'".$data['image']."'";
}
// evtl. remove leading delimiter
if ($path[0] == $delimiter) $path = substr($path,1);
$folderParts = explode($delimiter,$path);
//get rightmost folderpart
$label = array_pop($folderParts);
if (isset($data['label'])) $label = $data['label'];
// the rest of the array is the name of the parent
$parentName = implode((array)$folderParts,$delimiter);
if(empty($parentName)) $parentName = $top;
$entryOptions = 'CHILD';
if ($_onCheckHandler && $_selected) // check selected items on multi selection
{
if (!is_array($_selected)) $_selected = explode(',',$_selected);
if (in_array($path,$_selected,!is_numeric($path))) $entryOptions .= ',CHECKED';
//echo "<p>path=$path, _selected=".print_r($_selected,true).": $entryOptions</p>\n";
}
// highlight current item
elseif ((string)$_selected === (string)$path)
{
$entryOptions .= ',SELECT';
}
$html .= "$tree.insertNewItem('".addslashes($parentName)."','".addslashes($path)."','".addslashes($label).
"',$_onNodeSelect,$image1,$image2,$image3,'$entryOptions');\n";
if (isset($data['title']))
{
$html .= "$tree.setItemText('".addslashes($path)."','".addslashes($label)."','".addslashes($data['title'])."');\n";
}
}
$html .= "$tree.closeAllItems(0);\n";
if ($_selected)
{
foreach(is_array($_selected)?$_selected:array($_selected) as $path)
{
$html .= "$tree.openItem('".addslashes($path)."');\n";
}
}
else
{
$html .= "$tree.openItem('$top');\n";
}
$html .= "</script>\n";
return $html;
}
/**
* creates the HTMLPurifier default config
*
* @return HTMLPurifier_Config object
*/
static function purifyCreateDefaultConfig()
{
// add htmlpurifiers library to include_path
require_once(EGW_API_INC.'/htmlpurifier/library/HTMLPurifier.path.php');
// include most of the required files, for best performance with bytecode caches
require_once(EGW_API_INC.'/htmlpurifier/library/HTMLPurifier.includes.php');
// installs an autoloader for other files
require_once(EGW_API_INC.'/htmlpurifier/library/HTMLPurifier.autoload.php');
// testcase to test the processing of purify
//$html = "<h1 onclick=\"alert('hallo');\"> h1 </h1>".$html;
return HTMLPurifier_Config::createDefault();
}
/**
* Runs HTMLPurifier over supplied html to remove malicious code
*
* @param string $html
* @param HTMLPurifier_Config $config=null
*/
static function purify($html,$config=null)
{
static $purifier;
if (empty($html)) return $html; // no need to process further
if (is_null($purifier) || !is_null($config))
{
// add htmlpurifiers library to include_path
require_once(EGW_API_INC.'/htmlpurifier/library/HTMLPurifier.path.php');
// include most of the required files, for best performance with bytecode caches
require_once(EGW_API_INC.'/htmlpurifier/library/HTMLPurifier.includes.php');
// installs an autoloader for other files
require_once(EGW_API_INC.'/htmlpurifier/library/HTMLPurifier.autoload.php');
// testcase to test the processing of purify
//$html = "<h1 onclick=\"alert('hallo');\"> h1 </h1>".$html;
if (is_null($config))
{
$config = HTMLPurifier_Config::createDefault();
$config->set('Core.Encoding', (self::$charset?self::$charset:'UTF-8'));
// maybe the two following lines are useful for caching???
$config->set('HTML.DefinitionID', 'egroupware');
$config->set('HTML.DefinitionRev', 1);
// doctype and tidylevel
$config->set('HTML.Doctype', 'XHTML 1.0 Transitional');
$config->set('HTML.TidyLevel', 'light');
// EnableID is needed for anchor tags
$config->set('Attr.EnableID',true);
// enable target attributes
$config->set('Attr.AllowedFrameTargets','_blank,_top,_self,_parent');
// actual allowed tags and attributes
$config->set('HTML.Allowed', 'br,p[align|style],b,i,u,s,em,pre,tt,strong,strike,center,div[align|style],hr[class|style],'.
'ul[type],ol[type|start],li,'.
'h1,h2,h3,h4,h5,h6,'.
'span[class|style],'.
'table[class|border|cellpadding|cellspacing|width|style|align|bgcolor|align],'.
'tbody,thead,tfoot,colgroup,'.
'col[width|span],'.
'blockquote[class|cite|dir],'.
'tr[class|style|align|bgcolor|align|valign],'.
'td[class|colspan|rowspan|width|style|align|bgcolor|align|valign|nowrap],'.
'th[class|colspan|rowspan|width|style|align|bgcolor|align|valign|nowrap],'.
'a[href|target|name|title],img[src|alt|title|align|style|width|height]');
$config->set('Cache.SerializerPath', ($GLOBALS['egw_info']['server']['temp_dir']?$GLOBALS['egw_info']['server']['temp_dir']:sys_get_temp_dir()));
}
$purifier = new HTMLPurifier($config);
// the latter may enable you to modify the config later on, but by now
// the effort for e.g. enabling anchor tags is already included above
//$def =& $purifier->config->getHTMLDefinition(true);
//$def->addAttribute('a', 'name', 'Text');
}
$result = $purifier->purify( $html );
//error_log(__METHOD__.$purifier->version);
return $result;
}
/**
* Output content headers for file downloads
*
* @author Miles Lott originally in browser class
* @param string $fn filename
* @param string $mime='' mimetype or '' (default) to detect it from filename, using mime_magic::filename2mime()
* @param int $length=0 content length, default 0 = skip that header
* @param boolean $nocache=true send headers to disallow browser/proxies to cache the download
*/
public static function content_header($fn,$mime='',$length=0,$nocache=True)
{
// if no mime-type is given or it's the default binary-type, guess it from the extension
if(empty($mime) || $mime == 'application/octet-stream')
{
$mime = mime_magic::filename2mime($fn);
}
if($fn)
{
if(self::$user_agent == 'msie') // && self::$ua_version == '5.5')
{
$attachment = '';
}
else
{
$attachment = ' attachment;';
}
// Show this for all
header('Content-disposition:'.$attachment.' filename="'.$fn.'"');
header('Content-type: '.$mime);
if($length)
{
header('Content-length: '.$length);
}
if($nocache)
{
header('Pragma: no-cache');
header('Pragma: public');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
}
}
}
/**
* split html by PRE tag, return array with all content pre-sections isolated in array elements
* @author Leithoff, Klaus
* @param string html
* @return mixed array of parts or unaffected html
*/
static function splithtmlByPRE($html)
{
if (($pos = stripos($html,'<pre>')) === false)
{
return $html;
}
$html2ret[] = substr($html,0,$pos);
while ($pos!==false)
{
$endofpre = stripos($html,'</pre>',$pos);
$length = $endofpre-$pos+6;
$html2ret[] = substr($html,$pos,$length);
$pos = stripos($html,'<pre>', $endofpre+6);
$html2ret[] = ($pos ? substr($html,$endofpre+6,$pos-($endofpre+6)): substr($html,$endofpre+6));
//$pos=false;
}
return $html2ret;
}
}
html::_init_static();