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 2001-2014 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; /** * User agent is mobile browser: "iphone", "ipod", "ipad", "android", "symbianos", "blackberry", "kindle", "opera mobi", "windows phone" * @var string with name of mobile browser or null, if not mobile browser */ static $ua_mobile; /** * 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; /** * Automatically turn on enhanced selectboxes if there's more than this many options */ const SELECT_ENHANCED_ROW_COUNT = 12; /** * initialise our static vars */ static function _init_static() { // should be Ok for all HTML 4 compatible browsers $parts = $all_parts = null; if(!preg_match('/compatible; ([a-z]+)[\/ ]+([0-9.]+)/i',$_SERVER['HTTP_USER_AGENT'],$parts)) { preg_match_all('/([a-z]+)\/([0-9.]+)/i',$_SERVER['HTTP_USER_AGENT'],$all_parts,PREG_SET_ORDER); $parts = array_pop($all_parts); foreach($all_parts as $p) { if ($p[1] == 'Chrome') { $parts = $p; break; } } } list(,self::$user_agent,self::$ua_version) = $parts; if ((self::$user_agent = strtolower(self::$user_agent)) == 'version') self::$user_agent = 'opera'; // IE no longer reports MSIE, but "Trident/7.0; rv:11.0" if (self::$user_agent=='trident') { self::$user_agent='msie'; $matches = null; self::$ua_version = preg_match('|Trident/[0-9.]+; rv:([0-9.]+)|i', $_SERVER['HTTP_USER_AGENT'], $matches) ? $matches[1] : 11.0; } self::$ua_mobile = preg_match('/(iPhone|iPod|iPad|Android|SymbianOS|Blackberry|Kindle|Opera Mobi|Windows Phone)/i', $_SERVER['HTTP_USER_AGENT'], $matches) ? strtolower($matches[1]) : null; self::$netscape4 = self::$user_agent == 'mozilla' && self::$ua_version < 5; self::$prefered_img_title = self::$netscape4 ? 'alt' : 'title'; //error_log("HTTP_USER_AGENT='$_SERVER[HTTP_USER_AGENT]', UserAgent: '".self::$user_agent."', Version: '".self::$ua_version."', isMobile=".array2string(self::$ua_mobile).", img_title: '".self::$prefered_img_title."'"); 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 * @param string $options ='' options for input * @return string the html */ static function inputColor($name,$value='',$title='',$options='') { $options .= ' id="'.htmlspecialchars($id=str_replace(array('[',']'),array('_',''),$name).'_colorpicker').'"'; $onclick = "javascript:egw_openWindowCentered2('".self::$api_js_url.'/colorpicker/select_color.html?id='.urlencode($id)."&color='+encodeURIComponent(document.getElementById('$id').value),'colorPicker',240,187);"; if (preg_match('/^#[0-9A-F]{6}$/i',$value)) { $options .= ' style="background-color: '.$value.'"'; } $options .= ' onChange="this.style.backgroundColor=this.value.match(/^(#[0-9A-F]+|[a-z]+)$/i)?this.value:\'#FFFFFF\'+(this.value=\'\')"'; return self::input($name, $value, 'text', $options.' size="7" maxsize="7"').' '. ''. '"; } /** * Handles tooltips via the wz_tooltip class from Walter Zorn * * @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 * @param boolean $return_as_attributes true to return array(onmouseover, onmouseout) attributes * @return string|array to be included in any tag, like 'Ralf').'>Text with tooltip

' */ static function tooltip($text,$do_lang=False,$options=False, $return_as_attributes=false) { // tell egw_framework to include wz_tooltip.js $GLOBALS['egw_info']['flags']['include_wz_tooltip'] = true; if ($do_lang) $text = lang($text); $ttip = 'Tip(\''.str_replace(array("\n","\r","'",'"'),array('','',"\\'",'"'),$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 .= ')'; $untip = 'UnTip()'; return $return_as_attributes ? array($ttip, $untip) : ' onmouseover="'.self::htmlspecialchars($ttip).'" onmouseout="'.$untip.'"'; } /** * 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 = '(?\\1 AT \\2 DOT \\3', $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\-\@?^=%&\/~\+#])?'; $optBracket = ''; //$optBracket = '(>|>)'; $Expr = '/' . $NotAnchor . $Protocol . $Domain . $Subdir . $optBracket . '/i'; $result2 = preg_replace( $Expr, "$2$3$4", $result ); //$result = preg_replace( $Expr, "$2$3$4$5 ", $result ); // Now match things beginning with www. $NotHTTP = '(?)'; // avoid running again on http://www links already handled above $Domain2 = 'www(\.[\w-.]+)'; $Subdir2 = '([\w\-\.,@?^=%&:\/~\+#]*[\w\-\@?^=%&\/~\+#])?'; $Expr = '/' . $NotAnchor . $NotHTTP . $Domain2 . $Subdir2 . '/i'; //$optBracket = '(>|>)'; //$Expr = '/' . $NotAnchor . $NotHTTP . $Domain . $Subdir . $optBracket . '/i'; return preg_replace( $Expr, "$0", $result2 ); //return preg_replace( $Expr, "www$1$2$3 ", $result ); } /** * escapes chars with special meaning in html as entities * * Allows to use and char in the html-output and prevents XSS attacks. * Some entities are allowed and get NOT escaped: -> prevented by 4th param = doubleencode=false * - &# some translations (AFAIK: the arabic ones) need this; * -   < > for convenience -> should not happen anymore, as we do not doubleencode anymore (20101020) * * @param string $str string to escape * @param boolean $double_encoding =false do we want double encoding or not, default no * @return string */ static function htmlspecialchars($str, $double_encoding=false) { //if (!is_scalar($str) && !is_null($str)) error_log(__METHOD__.'('.array2string($str).') '.function_backtrace()); // as EGroupware supports only utf-8 we should not need to worry about wrong charsets //if (is_array($str)) error_log(__METHOD__.__LINE__.' string expected -> array given:'.array2string($str).'->'.function_backtrace()); return htmlspecialchars($str,ENT_COMPAT,self::$charset,$double_encoding); // we need '&#' unchanged, so we translate it back -> this is provided by 4th param = false -> do not doubleencode //$str = str_replace(array('&#','&nbsp;','&lt;','&gt;'),array('&#',' ','<','>'),$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 * @param boolean $enhanced Use enhanced selectbox with search. Null for default yes if more than 12 options. * @return string to set for a template or to echo into html page */ static function select($name, $key, $arr=0,$no_lang=false,$options='',$multiple=0,$enhanced=null) { if(is_null($enhanced)) $enhanced = false; //disabled by default (count($arr) > self::SELECT_ENHANCED_ROW_COUNT); 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 < 9 in/for selectboxes if (self::$user_agent == 'msie' && self::$ua_version < 9) { if (stripos($options,'onfocus="') === false) { $options .= ' onfocus="window.dropdown_menu_hack(this);" '; } else { $options = str_ireplace('onfocus="','onfocus="window.dropdown_menu_hack(this);',$options); } } $out = "\n"; if($enhanced) { egw_framework::validate_file('/phpgwapi/js/jquery/chosen/chosen.jquery.js'); egw_framework::includeCSS('/phpgwapi/js/jquery/chosen/chosen.css',null,false); $out .= "\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='',$enhanced = null) { //echo "

checkbox_multiselect('$name',".array2string($key).",".array2string($arr).",$no_lang,'$options',$multiple,$selected_first,'$style')

\n"; if(is_null($enhanced)) $enhanced = (count($arr) > self::SELECT_ENHANCED_ROW_COUNT); 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($enhanced) return self::select($name, $key, $arr,$no_lang,$options." style=\"$style\" ",$multiple,$enhanced); 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 => $label) { if (in_array((string)$val,$key)) { $selected[$val] = $label; } else { $not_selected[$val] = $label; } } $arr = $selected + $not_selected; } $max_len = 0; foreach($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((string)$val,$key),$val,$options_no_id. ' id="'.$base_name.'['.$val.']'.'"').self::htmlspecialchars($label), $base_name.'['.$val.']','',($title ? 'title="'.self::htmlspecialchars($title).'" ':''))."
\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() * @param string $extra extra text, e.g.: style="", default: '' * @return string html */ static function select_option($value,$label,$selected,$no_lang=0,$title='',$extra='') { // the following compares strict as strings, to archive: '0' == 0 != '' // the first non-strict search via array_search, is for performance reasons, to not always search the whole array with php if (($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; } unset($sel); } return '\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 "
\n".($content ? "$content
\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)) { $value = json_encode($value); } if (!$ignore_empty || $value && !($name == 'filter' && $value == 'none')) // dont need to send all the empty vars { $html .= "\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 boolean $double_encoding =false do we want double encoding or not, default no * @param string html */ static function textarea($name,$value='',$options='',$double_encoding=false) { return "\n"; } /** * Checks if HTMLarea (or an other richtext editor) is availible for the used browser * * @return boolean */ static function htmlarea_availible() { //error_log(__METHOD__.__LINE__.' userAgent:'.$_SERVER[HTTP_USER_AGENT]); // we check for the useragent to be able to recognize andoid machines that do not support ckeditor yet. // ckeditors fallback is rather unpleaseant. if (stripos($_SERVER[HTTP_USER_AGENT],'android') !== false) return false; // this one is for testing how it will turn out, if you do not have the device or agent ready at your fingertips // if (stripos($_SERVER[HTTP_USER_AGENT],'mozilla') !== false) return false; // CKeditor will doublecheck availability for us, but its fallback does not look nice, and you will get // no conversion of html content to plain text, so we provide a check for known USER_AGENTS to fail the test 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, 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 * @param mixed (boolean/string) $_focusToBody=false USED only for CKEDIOR true means yes, focus on top, you may specify TOP or BOTTOM (to focus on the end of the editor area) * @param string $_executeJSAfterInit ='' Javascript to be executed after InstanceReady of CKEditor * @return string the necessary html for the textarea */ static function fckEditor($_name, $_content, $_mode, $_options=array('toolbar_expanded' =>'true'), $_height='400px', $_width='100%',$_start_path='',$_purify=true, $_focusToBody=false, $_executeJSAfterInit='') { if (!self::htmlarea_availible() || $_mode == 'ascii') { return self::textarea($_name,$_content,'style="width: '.$_width.'; height: '.$_height.';" id="'.htmlspecialchars($_name).'"'); } //include the ckeditor js file egw_framework::validate_file('ckeditor','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); // User preferences $font = $GLOBALS['egw_info']['user']['preferences']['common']['rte_font']; $font_size = egw_ckeditor_config::font_size_from_prefs(); $font_span = ''; if (empty($font) && empty($font_size)) $font_span = ''; // we need to enable double encoding here, as ckEditor has to undo one level of encoding // otherwise < and > chars eg. from html markup entered in regular (not source) input, will turn into html! //error_log(__METHOD__.__LINE__.' '.self::$user_agent.','.self::$ua_version); return self::textarea($_name,$_content,'id="'.htmlspecialchars($_name).'"',true). // true = double encoding ' '; } /** * 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 * @param string $_border ='0px' NOT used for CKEditor * @param mixed (boolean/string) $_focusToBody=false USED only for CKEDIOR true means yes, focus on top, you may specify TOP or BOTTOM (to focus on the end of the editor area) * @param string $_executeJSAfterInit ='' Javascript to be executed after InstanceReady of CKEditor * @return string the necessary html for the textarea */ static function fckEditorQuick($_name, $_mode, $_content='', $_height='400px', $_width='100%',$_purify=true, $_border='0px',$_focusToBody=false,$_executeJSAfterInit='') { if (!self::htmlarea_availible() || $_mode == 'ascii') { //TODO: use self::textarea return ""; } else { return self::fckEditor($_name, $_content, $_mode, array(), $_height, $_width,'',$_purify,$_focusToBody,$_executeJSAfterInit); } } /** * 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='',$options='' ) { switch ((string)$type) { case 'color': return self::inputColor($name, $value, '', $options); case ''; break; default: $type = 'type="'.htmlspecialchars($type).'"'; } return "\n"; } static protected $default_background_images = array( 'save' => '/save(&|\]|$)/', 'apply' => '/apply(&|\]|$)/', 'cancel' => '/cancel(&|\]|$)/', 'delete' => '/delete(&|\]|$)/', 'edit' => '/edit(&|\]|$)/', 'next' => '/(next|continue)(&|\]|$)/', 'finish' => '/finish(&|\]|$)/', 'back' => '/(back|previous)(&|\]|$)/', 'copy' => '/copy(&|\]|$)/', 'more' => '/more(&|\]|$)/', 'check' => '/(yes|check)(&|\]|$)/', 'cancelled' => '/no(&|\]|$)/', 'ok' => '/ok(&|\]|$)/', 'close' => '/close(&|\]|$)/', 'add' => '/(add(&|\]|$)|create)/', // customfields use create* ); static protected $default_classes = array( 'et2_button_cancel' => '/cancel(&|\]|$)/', // yellow 'et2_button_question' => '/(yes|no)(&|\]|$)/', // yellow 'et2_button_delete' => '/delete(&|\]|$)/' // red ); /** * 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;"'; } // add et2_classes to "old" buttons $classes = array('et2_button'); if ($image != '') { $image = str_replace(array('.gif','.GIF','.png','.PNG'),'',$image); if (!($path = common::image($app,$image))) { $path = $image; // name may already contain absolut path } $image = ' src="'.$path.'"'; $classes[] = 'image_button'; } else { $classes[] = 'et_button_text'; } if (!$no_lang) { $label = lang($label); } if (($accesskey = @strstr($label,'&')) && $accesskey[1] != ' ' && (($pos = strpos($accesskey,';')) === false || $pos > 5)) { $label_u = str_replace('&'.$accesskey[1],''.$accesskey[1].'',$label); $label = str_replace('&','',$label); $options .= ' accesskey="'.$accesskey[1].'" '.$options; } else { $accesskey = ''; $label_u = $label; } if ($onClick) $options .= ' onclick="'.str_replace('"','\\"',$onClick).'"'; // add default background-image to get et2 like buttons foreach(self::$default_background_images as $img => $reg_exp) { if (preg_match($reg_exp, $name) && ($url = common::image($GLOBALS['egw_info']['flags']['currentapp'], $img))) { $options .= ' style="background-image: url('.$url.');"'; $classes[] = 'et2_button_with_image'; break; } } // add default class for cancel, delete or yes/no buttons foreach(self::$default_classes as $class => $reg_exp) { if (preg_match($reg_exp, $name)) { $classes[] = $class; break; } } if (strpos($options, 'class="') !== false) { $options = str_replace('class="', 'class="'.implode(' ', $classes).' ', $options); } else { $options .= ' class="'.implode(' ', $classes).'"'; } return ''; } /** * 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 egw-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 "

html::link(url='$url',vars='"; print_r($vars); echo "')

\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 += $v; } return egw::link($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 '\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 = "
\n"; $html .= self::input_hidden($hidden_vars); if ($content) { $html .= $content; $html .= "
\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,' style="display: inline-block"',$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%"') = '
cell1cell2cell3
' * * @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 ? '' : "\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 .= '\n"; $html .= '<'.self::$part2tag[$part=$p].">\n"; } $html .= $no_table_tr && $key == 1 ? '' : "\t\n"; foreach($row as $key => $cell) { if ($key[0] == '.') { continue; // parameter } $table_pos = strpos($cell,'$cell\n"; } } $html .= "\t\n"; } if (!is_array($rows)) { echo "

".function_backtrace()."

\n"; } if ($part) // close current part { $html .= "\n"; } $html .= "
\n"; if ($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('').''; } 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 $title; } return '
'.$title.'
'."\n\t". '
'."\n
\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 ""; } return ""; } /** * 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 "

html::a_href('".self::htmlspecialchars($content)."','$url',".print_r($vars,True).") = ".self::link($url,$vars)."

"; return ''.$content.''; } /** * 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 ''.$content.''; } /** * 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 ''.$content.''; } /** * 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 "
\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. " : ''; } /** * 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 "$content"; } /** * 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='') { $html = "
".($legend ? ''.self::htmlspecialchars($legend).'' : '')."\n"; if ($content) { $html .= $content; $html .= "\n
\n"; } return $html; } /** * tree widget using dhtmlXtree * * Code inspired by Lars's Felamimail uiwidgets::createFolderTree() * * @author Lars Kneschke 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 string $folderImageDir =null string path to the tree menu images, null uses default path * @param string|array $autoLoading =null EGw relative path or array with get parameter, both send through egw::link * @param string $dataMode ='JSON' data type for autoloading: XML, JSON, CSV * @param boolean $dragndrop =false true to enable drag-n-drop (must be before autoloading get enabled!) * * @return string the html code, to be added into the template */ static function tree($_folders,$_selected,$_topFolder=false,$_onNodeSelect="null",$tree='foldertree',$_divClass='', $_leafImage='',$_onCheckHandler=false,$delimiter='/',$folderImageDir=null,$autoLoading=null,$dataMode='JSON', $dragndrop=false) { $webserver_url = $GLOBALS['egw_info']['server']['webserver_url']; if (empty($folderImageDir)) { $folderImageDir = $webserver_url.'/phpgwapi/templates/default/images'; } // check if we have template-set specific image path $image_path = $folderImageDir; if ($webserver_url && $webserver_url != '/') { list(,$image_path) = explode($webserver_url, $image_path, 2); } $templated_path = strtr($image_path, array( '/phpgwapi/templates/default' => $GLOBALS['egw']->framework->template_dir, '/default/' => '/'.$GLOBALS['egw']->framework->template.'/', )); if (file_exists(EGW_SERVER_ROOT.$templated_path.'/dhtmlxtree')) { $folderImageDir = ($webserver_url != '/' ? $webserver_url : '').$templated_path; //error_log(__METHOD__."() setting templated image-path: $folderImageDir"); } static $tree_initialised=false; if (!$tree_initialised) { egw_framework::includeCSS('/phpgwapi/js/dhtmlxtree/codebase/dhtmlxtree.css'); egw_framework::validate_file('/phpgwapi/js/dhtmlxtree/codebase/dhtmlxcommon.js'); egw_framework::validate_file('/phpgwapi/js/dhtmlxtree/sources/dhtmlxtree.js'); if ($autoLoading && $dataMode != 'XML') egw_framework::validate_file('/phpgwapi/js/dhtmlxtree/sources/ext/dhtmlxtree_json.js'); $tree_initialised = true; if (!$_folders && !$autoLoading) return null; } $html = self::div("\n",'id="'.$tree.'"',$_divClass).$html; $html .= "\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($_topFolder['title'])."');\n"; } } if (is_string($_folders)) { switch($dataMode) { case 'JSON': $html .= "$tree.loadJSONObject($_folders);\n"; break; case 'XML': $html .= "$tree.loadXMLString('$_folders');\n"; break; } } else { // evtl. remove leading delimiter if ($_selected[0] == $delimiter) $_selected = substr($_selected,1); $n = 0; foreach($_folders as $path => $data) { if (!is_array($data)) { $data = array('label' => $data); } $image1 = $image2 = $image3 = '0'; // if _leafImage given, set it only for leaves, not for folders containing children if ($_leafImage) { $image1 = $image2 = $image3 = "'".$_leafImage."'"; if (($next_item = array_slice($_folders, $n+1, 1, true))) { list($next_path) = each($next_item); if (substr($next_path,0,strlen($path)+1) == $path.'/') { $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; $entryOptions = !isset($data['child']) || $data['child'] ? 'CHILD' : ''; if ($_onCheckHandler && $_selected) // check selected items on multi selection { if (!is_array($_selected)) $_selected = explode(',',$_selected); if (array_search("$path",$_selected)!==false) $entryOptions .= ',CHECKED'; //echo "

path=$path, _selected=".print_r($_selected,true).": $entryOptions

\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($data['title'])."');\n"; } ++$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 .= "});"; $html .= "\n"; return $html; } /** * Runs HTMLPurifier over supplied html to remove malicious code * * @param string $html * @param array|string $config =null - config to influence the behavior of current purifying engine * @param array|string $spec =null - spec to influence the behavior of current purifying engine * The $spec argument can be used to disallow an otherwise legal attribute for an element, * or to restrict the attribute's values * @param boolean $_force =null - force the config passed to be used without merging to the default */ static function purify($html,$config=null,$spec=array(),$_force=false) { $defaultConfig = array('valid_xhtml'=>1,'safe'=>1); if (empty($html)) return $html; // no need to process further if (!empty($config) && is_string($config)) { //error_log(__METHOD__.__LINE__.$config); $config = json_decode($config,true); if (is_null($config)) error_log(__METHOD__.__LINE__." decoding of config failed; standard will be applied"); } // User preferences $font = $GLOBALS['egw_info']['user']['preferences']['common']['rte_font']; $font_size = $GLOBALS['egw_info']['user']['preferences']['common']['rte_font_size']; // Check for "blank" = just user preference span - for some reason we can't match on the entity, so approximate $regex = '#^.?$#us'; if(preg_match($regex,$html)) { return ''; } $htmLawed = new egw_htmLawed(); if (is_array($config) && $_force===false) $config = array_merge($defaultConfig, $config); if (empty($config)) $config = $defaultConfig; //error_log(__METHOD__.__LINE__.array2string($config)); return $htmLawed->egw_htmLawed($html,$config,$spec); } /** * Output content headers for user-content, mitigating risk of javascript or html * * Mitigate risk of serving javascript or css from our domain, * which will get around same origin policy and CSP! * * Mitigate risk of html downloads by using CSP or force download for IE * * @param resource|string &$content content might be changed by this call * @param string $path filename or path for content-disposition header * @param string &$mime ='' mimetype or '' (default) to detect it from filename, using mime_magic::filename2mime() * on return used, maybe changed, mime-type * @param int $length =0 content length, default 0 = skip that header * on return changed size * @param boolean $nocache =true send headers to disallow browser/proxies to cache the download * @param boolean $force_download =true send content-disposition attachment header * @param boolean $no_content_type =false do not send actual content-type and content-length header, just content-disposition */ public static function safe_content_header(&$content, $path, &$mime='', &$length=0, $nocache=true, $force_download=true, $no_content_type=false) { // mitigate risk of serving javascript or css via webdav from our domain, // which will get around same origin policy and CSP list($type, $subtype) = explode('/', strtolower($mime)); if (!$force_download && in_array($type, array('application', 'text')) && in_array($subtype, array('javascript', 'x-javascript', 'ecmascript', 'jscript', 'vbscript', 'css'))) { // unfortunatly only Chrome and IE >= 8 allow to switch content-sniffing off with X-Content-Type-Options: nosniff if (html::$user_agent == 'chrome' || html::$user_agent == 'msie' && html::$ua_version >= 8) { $mime = 'text/plain'; header('X-Content-Type-Options: nosniff'); // stop IE & Chrome from content-type sniffing } // for the rest we change mime-type to text/html and let code below handle it safely // this stops Safari and Firefox from using it as src attribute in a script tag // but only for "real" browsers, we dont want to modify data for our WebDAV clients elseif (isset($_SERVER['HTTP_REFERER'])) { $mime = 'text/html'; if (is_resource($content)) { $data = fread($content, $length); fclose($content); $content =& $data; unset($data); } $content = '
'.$content;
				$length += 5;
			}
		}
		// mitigate risk of html downloads by using CSP or force download for IE
		if (!$force_download && in_array($mime, array('text/html', 'application/xhtml+xml')))
		{
			// use CSP only for current user-agents/versions I was able to positivly test
			if (html::$user_agent == 'chrome' && html::$ua_version >= 24 ||
				// mobile FF 24 on Android does NOT honor CSP!
				html::$user_agent == 'firefox' && !html::$ua_mobile && html::$ua_version >= 24 ||
				html::$user_agent == 'safari' && !html::$ua_mobile && html::$ua_version >= 536 ||	// OS X
				html::$user_agent == 'safari' && html::$ua_mobile && html::$ua_version >= 9537)	// iOS 7
			{
				$csp = "script-src 'none'";	// forbid to execute any javascript
				header("Content-Security-Policy: $csp");
				header("X-Webkit-CSP: $csp");	// Chrome: <= 24, Safari incl. iOS
				//header("X-Content-Security-Policy: $csp");	// FF <= 22
				//error_log(__METHOD__."('$options[path]') ".html::$user_agent.'/'.html::$ua_version.(html::$ua_mobile?'/mobile':'').": using Content-Security-Policy: $csp");
			}
			else	// everything else get's a Content-dispostion: attachment, to be on save side
			{
				//error_log(__METHOD__."('$options[path]') ".html::$user_agent.'/'.html::$ua_version.(html::$ua_mobile?'/mobile':'').": using Content-disposition: attachment");
				$force_download = true;
			}
		}
		if ($no_content_type)
		{
			if ($force_download) self::content_disposition_header(egw_vfs::basename($path), $force_download);
		}
		else
		{
			self::content_header(egw_vfs::basename($path), $mime, $length, $nocache, $force_download);
		}
	}

	/**
	 * Output content-type headers for file downloads
	 *
	 * This function should only be used for non-user supplied content!
	 * For uploaded files, mail attachmentes, etc, you have to use safe_content_header!
	 *
	 * @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
	 * @param boolean $forceDownload =true send headers to handle as attachment/download
	 */
	public static function content_header($fn,$mime='',$length=0,$nocache=True,$forceDownload=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($fn)
		{
			// Show this for all
			self::content_disposition_header($fn,$forceDownload);
			header('Content-type: '.$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');
			}
		}
	}

	/**
	 * Output content-disposition header for file downloads
	 *
	 * @param string $fn filename
	 * @param boolean $forceDownload =true send headers to handle as attachment/download
	 */
	public static function content_disposition_header($fn,$forceDownload=true)
	{
		if ($forceDownload===true)
		{
			$attachment = ' attachment;';
		}
		else
		{
			$attachment = ' inline;';
		}

		header('Content-disposition:'.$attachment.' filename="'.translation::to_ascii($fn).'"; filename*=utf-8\'\''.rawurlencode($fn));
	}

	/**
	 * 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)
	{
		$searchFor = '
',$pos);
			$length = $endofpre-$pos+6;
			$html2ret[] = substr($html,$pos,$length);
			$searchFor = '
 stuff  of the html passed in
	 * and remove it from input
	 * @author Leithoff, Klaus
	 * @param string html
	 * @return string the style css
	 */
	static function getStyles(&$html)
	{
		$ct=0;
		$newStyle = null;
		if (stripos($html,'(.+)#isU', $html, $newStyle);
		if ($ct>0)
		{
			//error_log(__METHOD__.__LINE__.array2string($newStyle[0]));
			$style2buffer = implode('',$newStyle[0]);
			// only replace what we have found, we use it here, as we use the same routine in translation::replaceTagsCompletley
			// no need to do the extra routine
			$html = str_ireplace($newStyle[0],'',$html);
		}
		if ($style2buffer)
		{
			//error_log(__METHOD__.__LINE__.array2string($style2buffer));
			$test = json_encode($style2buffer);
			//error_log(__METHOD__.__LINE__.'#'.$test.'# ->'.strlen($style2buffer).' Error:'.json_last_error());
			//if (json_last_error() != JSON_ERROR_NONE && strlen($style2buffer)>0)
			if ($test=="null" && strlen($style2buffer)>0)
			{
				// this should not be needed, unless something fails with charset detection/ wrong charset passed
				error_log(__METHOD__.__LINE__.' Found Invalid sequence for utf-8 in CSS:'.$style2buffer.' Carset Detected:'.translation::detect_encoding($style2buffer));
				$style2buffer = utf8_encode($style2buffer);
			}
		}
		$style .= $style2buffer;
		// clean out comments and stuff
		$search = array(
			'@url\(http:\/\/[^\)].*?\)@si',  // url calls e.g. in style definitions
//			'@@',   // Strip multi-line comments including CDATA
//			'@ in stylesheet are outdated, and ck-editor does not understand it, we remove it
		$css_no_comment = str_replace(array(':',''),array(': ','',''),$css);
		//error_log(__METHOD__.__LINE__.$css);
		// we already removed what we have found, above, as we used pretty much the same routine as in translation::replaceTagsCompletley
		// no need to do the extra routine
		// TODO: we may have to strip urls and maybe comments and ifs
		//if (stripos($html,'style')!==false) translation::replaceTagsCompletley($html,'style'); // clean out empty or pagewide style definitions / left over tags
		return $css_no_comment;
	}
}
html::_init_static();