\version 1.00 \date 2007/11/02 This class handles the exceptions occuring in ObjectListViewport. */ class ObjectListViewportException extends Exception { public function __construct($message, $code = 0) { parent::__construct($message, $code); } } /*! \brief Implementation for ObjectListViewport \author Cajus Pollmeier \version 1.00 \date 2007/11/02 This class handles painting of ObjectList objects. \sa ObjectList */ class ObjectListViewport { /* Dummy here ----> */ private $headline; private $footer; private $entryFormat; private $attributes= array('cn', '_icon', '_actions', 'dn'); /* <---- Dummy here */ private $b_displayHeader = TRUE; private $b_displayFooter = TRUE; private $i_numberOfCols = 0; /*! \brief Container for objects This variable stores the ObjectList object to be displayed. */ private $objects; /*! \brief Switch to handle multiselect or not */ private $multiselect; /*! \brief ID used to identify objects of same list */ private $id = ""; /*! \brief ObjectListViewport constructor The ObjectListViewport class renders/handles the ObjectList defined by $config. \param config Config section that is used to configure this ObjectListViewport */ public function __construct($config, $multiselect= TRUE){ $this->multiselect= $multiselect; /* Dummy here */ $cr= Registry::getInstance("ConfigManager"); $cr->setSection($config); $this->parseHeadline($cr->getValue("headline")); $this->footer= $cr->getValue("footer"); $this->entryFormat= $cr->getValue("entryFormat"); /* Load and instanciate classes, extract filter, icons, view hooks, etc. */ $this->objects= new ObjectList($config); /* generate an unique id */ $this->id = preg_replace("/[^0-9]/","",microtime()); } /*! \brief Handles _POST / _GET events Processes the list of registered plugins to do their eventHandler and adapt internal objectlist according to this. */ public function eventHandler(){ /* Reloads the list if things have changed interally */ $this->objects->reload(); } /*! \brief Renders headline into a string Gets the headline description from the ObjectList object and renders it. \return HTML rendered headline */ private function renderHeadline(){ $buffer ="\n"; $buffer.="\n"; foreach($this->headline as $key => $value){ $buffer .= "\n"; } $buffer.="\n"; $buffer.="

".$value['name']."

\n"; return $buffer; } /*! \brief Renders footer into a string Gets the footer description from the ObjectList object and renders it. \return HTML rendered footer */ private function renderFooter(){ $buffer ="\n"; $buffer.="\n"; $buffer.= "\n"; $buffer.="\n"; $buffer.="

".$this->footer."

\n"; return $buffer; } private function getEntryIcon($entry,$alt = ""){ return(" ".$alt."

"); } /*! \brief Renders entries from the ObjectList iterator into a string Gets the entry descriptions from the ObjectList object and renders them. \return HTML rendered list entries */ private function renderEntry($entry){ /* Copy template */ $buffer= $this->entryFormat; /* Replace set of attributes */ foreach ($this->attributes as $attribute){ if (!isset($entry[$attribute])){ throw new ObjectListViewportException(sprintf(_("Can't locate attribute '%s' to replace in entry!"), $attribute)); } else { if(preg_match("/_icon/i",$attribute)){ $buffer= preg_replace('/\{'.$attribute.'\}/', $this->getEntryIcon($entry),$buffer); }else{ $buffer= preg_replace('/\{'.$attribute.'\}/', $entry[$attribute],$buffer); } } } /* Execute optional filters */ preg_match_all ( '/\{_filter$([^)]+)$\}/', $buffer, $matches, PREG_SET_ORDER); foreach ($matches as $match){ $filterName= preg_replace('/,.+$/', '', $match[1]); $filterParameter= preg_replace('/^[^,]+,/', '', $match[1]); $buffer= preg_replace('/\{_filter$'.normalizePreg($match[1]).'$\}/', $this->applyEntryFilter($filterName, $filterParameter), $buffer); } #TODO: Make $buffer a proper HTML table output $tmp = split("\|",trim($buffer,"|")); $buffer="\n"; // foreach($tmp as $key => $value){ // $buffer .= "". // "

". // $value. // "

". // "\n"; // } for($i = 0 ; $i < $this->i_numberOfCols ; $i ++){ $value = $tmp[$i]; if($i == ($this->i_numberOfCols -1 )){ $buffer .= "". "

". $value. "

". "\n"; }else{ $buffer .= "". "

". $value. "

". "\n"; } } $buffer.="\n"; return $buffer."\n"; } /*! \brief Applies filter to the given entry format string. Instanciates the given ObjectListEntryFilter and calls the method. \return rendered output \sa ObjectListEntryFilter */ private function applyEntryFilter($filterName, $string){ $className= "ObjectListEntryFilter_".$filterName; $cl= new $className; return $cl->filter("$string"); } /*! \brief Renders complete ObjectList into a string \return HTML rendered list */ public function render() { $header = $footer = ""; if($this->b_displayHeader){ $header =" ".$this->renderHeadline()." "; } if($this->b_displayFooter){ $footer =" ".$this->renderFooter()." "; } /* Apply current filter */ $entries = ""; $objects= new ObjectListFilterIterator($this->objects->getIterator()); foreach ($objects as $value){ $entries .= $this->renderEntry($value); } /* Generate fixed headline */ $buffer = "

".$header." ".$footer."

".$entries."

"; return ($buffer); } /*! \brief Parses the given headline format string \return Array with cell properties (width, alignment,name) */ private function parseHeadline($data) { /* Each cell definition is seperated by | * split by and go through each definition */ $this->headline = array(); $this->i_numberOfCols = 0; $tmp = split("\|",trim($data,"|")); $cell_formats = array(); foreach($tmp as $key => $data){ $s_width = ""; $s_alignment= ""; $s_name = preg_replace("/\{[^\}]*+\}/","",$data); $s_style = ""; /* Parse format string and detect width & alignment */ if(preg_match("/\{.*\}/",$data)){ $s_format= preg_replace("/^[^\{]*+\{([^\}]*).*$/","\\1",$data); /* Get aligment */ if(preg_match("/:/",$s_format)){ $s_al = preg_replace("/^[^:]*+:([a-z]*).*$/i","\\1",$s_format); if(preg_match("/T/i",$s_al)){ $s_alignment.= "top-" ; $s_style.= "vertical-align: top;"; } if(preg_match("/B/i",$s_al)){ $s_alignment.= "bottom-" ; $s_style.= "vertical-align: bottom;"; } if(preg_match("/R/i",$s_al)){ $s_alignment.= "right" ; $s_style.= "text-align: right;"; }elseif(preg_match("/L/i",$s_al)){ $s_alignment.= "left" ; $s_style.= "text-align: left;"; }elseif(preg_match("/C/i",$s_al) || preg_match("/M/i",$s_al) ){ $s_alignment.= "center" ; $s_style.= "text-align: center;"; } } /* Get width */ $s_width = preg_replace("/^([^:]*).*$/","\\1",$s_format); if(!empty($s_width)){ $s_style.= "width: ".$s_width.";"; } } $cell_formats[$key] = array("name" => $s_name, "width" => $s_width, "alignment" => $s_alignment,"style" => $s_style); $this->i_numberOfCols ++; } $this->headline = $cell_formats; } public function enableFooter($bool = TRUE){ $this->b_displayFooter = $bool; } public function enableHeader($bool = TRUE){ $this->b_displayHeader = $bool; } } // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler: ?>