source: trunk/src/inc/KMLFile.class.php@ 7640

<?
/*
 * Project: NodeMap2.0
 * File: KMLHandler.class.php
 * Purpose: Creating of editing KML files
 */

define('PLACEMARK_GREEN', 'http://www.google.com/intl/en_us/mapfiles/ms/micons/green-dot.png');
define('PLACEMARK_ORANGE', 'http://www.google.com/intl/en_us/mapfiles/ms/micons/orange-dot.png');
define('PLACEMARK_RED', 'http://www.google.com/intl/en_us/mapfiles/ms/micons/red-dot.png');

class KMLFile {
        private $template = '
                <?xml version="1.0" encoding="UTF-8"?>
                <kml xmlns="http://www.opengis.net/kml/2.2">
                        <Document>
                                <name>Wireless Leiden Interactive Nodemap 2.0</name>
                                <open>1</open>
                                <description>Wireless Leiden Interactive Nodemap 2.0</description>
                                <Style id="greenArrowIcon">
                                        <IconStyle>
                                                <Icon>
                                                        <href>%PLACEMARK_GREEN%</href>
                                                </Icon>
                                        </IconStyle>
                                </Style>
                                <Style id="orangeArrowIcon">
                                        <IconStyle>
                                                <Icon>
                                                        <href>%PLACEMARK_ORANGE%</href>
                                                </Icon>
                                        </IconStyle>
                                </Style>
                                <Style id="redArrowIcon">
                                        <IconStyle>
                                                <Icon>
                                                        <href>%PLACEMARK_RED%</href>
                                                </Icon>
                                        </IconStyle>
                                </Style>
                                <Folder>
                                        <name>Nodes</name>
                                        <description>Nodes from the Wireless Leiden network</description>
                                        <LookAt>
                                                <longitude>52.161087</longitude>
                                                <latitude>4.490153</latitude>
                                                <altitude>0</altitude>
                                                <heading>0</heading>
                                                <tilt>0</tilt>
                                                <range>500</range>
                                        </LookAt>
                                        %CONTENT%
                                </Folder>
                        </Document>
                </kml>';

        static $fileFirst = 'type,host_name,has_been_checked,check_execution_time,current_state,last_hard_state,last_check,problem_has_been_acknowledged';
        private $fileContent = array('string', 'string', 'integer', 'double', 'integer', 'integer', 'integer', 'integer');

        private $KMLPlacemarks = array();

        /*
         * Function: __construct (constructor)
         * Parameters: -
         * Function: Creating a new KMLFile
         */
        public function __construct() {
        }

        public function addPlacemark(KMLPlacemark $placemark) {
                $this->KMLPlacemarks[] = $placemark;
        }

        public function toString() {
                $toString = $this->template;

                $placemarkString = '';
                $placemarkCount = count($this->KMLPlacemarks);
                for ($i = 0; $i < $placemarkCount; $i++) {
                        $placemarkString .= $this->KMLPlacemarks[$i]->toString();
                }

                $toString = str_replace('%PLACEMARK_GREEN%', PLACEMARK_GREEN, $toString);
                $toString = str_replace('%PLACEMARK_ORANGE%', PLACEMARK_ORANGE, $toString);
                $toString = str_replace('%PLACEMARK_RED%', PLACEMARK_RED, $toString);
                $toString = str_replace('%CONTENT%', $placemarkString, $toString);

                return $toString;
        }

        public function write($filename) {
                // TODO: Write KMLFile to a KML file
        }

        public function parseLocationFile($file) {
                //preg_match_all('#\[(^\/.+?)\]#is', $file, $matches);
                $nodesCount = preg_match_all('/\[[a-zA-Z0-9]*\]/i', $file, $nodes, PREG_OFFSET_CAPTURE);
                for ($i = 0; $i < $nodesCount; $i++) {
                        $location       = $this->findInLocationFile($file, 'location', $nodes[0][$i][1]);
                        $status         = $this->findInLocationFile($file, 'status', $nodes[0][$i][1]);
                        $latitude       = $this->findInLocationFile($file, 'latitude', $nodes[0][$i][1]);
                        $longitude      = $this->findInLocationFile($file, 'longitude', $nodes[0][$i][1]);
                        $interfaces     = $this->findInLocationFile($file, 'interfaces', $nodes[0][$i][1]);
                        $masterip       = $this->findInLocationFile($file, 'masterip', $nodes[0][$i][1]);
                        $nodetype       = $this->findInLocationFile($file, 'nodetype', $nodes[0][$i][1]);
                        $name           = $this->findInLocationFile($file, 'name', $nodes[0][$i][1]);

                        $placemark = new KMLPlacemark();
                        $placemark->setName($name);
                        $placemark->setDescription('Naam: ' . $name . '<br/>Locatie: ' . $location . '<br/>Status: ' . $status . '<br/>Latitude: ' . $latitude . '<br/>Longitude: ' . $longitude . '<br/>Interfaces: ' . $interfaces . '<br/>Master IP: ' . $masterip . '<br/>Node type: ' . $nodetype);
                        $placemark->setLongitude($longitude);
                        $placemark->setLatitude($latitude);
                        $placemark->setStyle($status == 'up' ? 'greenArrowIcon' : 'redArrowIcon');
                        $this->addPlacemark($placemark);
                }
        }

        private function findInLocationFile($file, $keyword, $offset) {
                $start  = strpos($file, $keyword, $offset) + strlen($keyword . ' = ');
                $end    = strpos($file, "\n", $start);
                return substr($file, $start, $end - $start);
        }

        public function parseStatusFile($file) {
                /*
                 * TODO: Needs to be rebuild so it doesn't create a new KMLFile object,
                 * but add the KMLPlacemarks to the current object.
                 */
                $fileContents = explode("\r\n", $file);

                if ($fileContents[0] != KMLFile::$fileFirst) {
                        trigger_log(LOG_WARNING, 'Contents of file do not match with template of first line', __FILE__, __LINE__);
                }

                $lines = count($fileContents);
                for ($i = 1; $i < count($lines); $i++) {
                        $lineContent = explode(',', $fileContents[$i]);

                        if (count($lineContent) != count($this->fileContent)) {
                                trigger_log(LOG_WARNING, 'Contents of file do not match with template of lines', __FILE__, __LINE__);
                        }

                        // TODO: Process all lines and create KMLPlacemark objects we can add to a new KMLFile object
                }
        }
}
?>