Hallo Peter,
es wird die GeoClass Version 0.3.1a benutzt, wobei ich denke das der Inhalt der Geo.php eher für die Koordinatenberechnung der Objekte zuständig ist.
Inhalt der Seracher.php (denke dort muss es irgendwo sein, kann´s aber nicht finden)
Class Searcher {
/**
* An array of Dealer objects.
*
* @var array of Dealer objects
*/
var $Dealers;
/**
* GeoObject representing the customer location.
*
* @var Geo_Object
*/
var $customerLocationGeoObject;
/**
* The Geodb object, it´s used for the geodb->findGeoObject() method.
*
* @var Geodb
*/
var $geodb;
/**
* Is true if the search rendered multiple locations,
* but (AND) nothing is selected in the lid1 select field.
* @var boolean
*/
var $noUniqueMatches = false;
/**
* is true if the search rendered no matches
*
* @var boolean
*/
var $noMatchesFound = false;
/**
* Constructor. Opens a db connection and retrieves all the Dealers
* from the db and stores them in the $Dealers array.
*
* @return Searcher
*/
function Searcher() {
$this->geodb = Utilities :: getGeodbObject();
$this->_retrieveDealersFromDb();
}
/**
* Is used in the constructor to build the dealer objects from the db.
* Is private, dont use in public context. May change soon.
*
*/
function _retrieveDealersFromDb() { // mod
// This query now retrieves all the columns required later in the script
$query = "SELECT *
FROM ".DEALERS_TABLENAME." "; # LIMIT 2
# echo "<br>Query in retrieveDealersFromDb: <br>$query <br>";
$rs = mysql_query ($query) or die(mysql_error());
while ($r = mysql_fetch_assoc($rs)) {
// Pass the query result array to the Dealer class constructor
$this->Dealers[$r['id']] = new Dealer($r);
}
}
/**
* Creates a Geo_Object for the customer location.
* Returns true if one or more locations match the user input,
* false if there are no matches.
*
* Also sets the variables
* $this->noUniqueMatches and
* $this->noMatchesFound.
*
* @param string $CostumerLocationName City name or PLZ for the customers location
* @return boolean matches found
*/
function setcustomerLocation($customerLocationName) {
// takes a string as argument representing any type that
// the geoclass can search for (eg a Ortsname or PLZ)
if ($customerLocationName == '') {
// if form has been submitted empty
exit ('<p>Bitte geben Sie etwas in das Formularfeld ein.<p>');
}
$possibleLocations = $this->geodb->findGeoObject('%'.$customerLocationName.'%');
if (count($possibleLocations)) {
// if any matches have been found (unique OR mutliple)
$sel_field = '<select name="lid1" onchange="javascript:document.getElementById(\'formSent\').click();">';
if (sizeof($possibleLocations) > 1) {
// if the input matches to more than one geographic location
// the different location names are stored
// in the sel_field html select field.
$sel_field .= '<option value="">- bitte auswählen -</option>';
if ($_GET['lid1'] == '') {
// if nothing had been selected from the multiple matches
$this->noUniqueMatches = true;
}
} else {
// only one match found
$obj1 = $possibleLocations[0];
}
foreach ($possibleLocations AS $obj) {
if ($_GET['lid1'] == $obj->databaseValues['loc_id']) {
$obj1 = $obj;
$sel = 'SELECTED';
$one_matched = true;
} else {
$sel = '';
}
$sel_field .= '<option value="'.$obj->databaseValues['loc_id'].'" '.$sel.'>'.utf8_encode($obj->name).'</option>'."\n";
}
if ((!$one_matched) && (sizeof($possibleLocations) > 1)) {
$this->noUniqueMatches = true;
}
$sel_field .= "</select>\n";
} else {
// if no matches are found
echo "<p>Ein solcher Ort konnte nicht gefunden werden</p>";
$sel_field .= "- keine Treffer - ";
$this->noMatchesFound = true;
return false;
}
echo $sel_field;
$this->customerLocationGeoObject = $obj1;
return true;
}
/**
* Finds the nearest dealers around the costumerLocationObject
*
* @param int $number_of_results Number of results to be returned.
* @return sorted Array of Dealer objects.
*/
function getNearestDealers($number_of_results = 5) {
// finds the nearest dealers around the the
// customerLocationGeoObject.
// Build a Geo_Object from the location entered by the user.
$i = 0;
$distances = array();
foreach ($this->Dealers as $number => $dealer) {
$geoObject = $dealer->getGeo_Object();
if (! is_object($geoObject)) echo "<br> Error: Geo_Object not loaded!<br>";
$dist = round($geoObject->getDistance($this->customerLocationGeoObject, GEO_UNIT_KM), 2);
$distances["$dist"] = $dealer;
unset ($dist);
}
ksort($distances, SORT_NUMERIC);
$counter = 0;
foreach ($distances as $k => $v) {
if ($counter < $number_of_results) {
$temp[$k] = $v;
}
$counter ++;
}
unset ($counter);
$distances = $temp;
foreach ($distances as $num => $item) {
$item->setDistance($num);
$temp[$num] = $item;
}
$distances = $temp;
if (!($this->noUniqueMatches or $this->noMatchesFound)) {
return $distances;
}
elseif ($this->mutlipleChoices) {
$distances = array (0 => "multiple matches found");
return $distances;
}
elseif ($this->noMatchesFound) {
$distances = array (0 => "no matches found");
return $distances;
}
}
/**
* NOT IN USE ANY MORE // DEPRECATED USE
*
* @param string $header_dist
* @param string $header_dealer
* @return unknown
*/
function getHtmlTableWithNeaerstDealers($header_dist = 'dist', $header_dealer = 'Dealer') {
$distances = $this->getNearestDealers();
if (!($this->noUniqueMatches or $this->noMatchesFound)) {
$html = "<table><tr><th></th>
<th>$header_dist</th><th>$header_dealer</th></tr>\n";
foreach ($distances as $dist => $dealer) {
# echo "<br>Variable dealer (in getHtmlTabe...):<br><pre>".print_r($dealer)."</pre>";
$html .= "<tr>";
$graph = '
';
$html .= "<td class=\"graph\">$graph</td>\n";
$html .= "<td class=\"dist\">".str_replace('.', ',', $dist)." km</td>\n";
$DbValues = $dealer->getDbValues();
$name = $DbValues['firma'];
$loc = $DbValues['ort'];
$plz = $DbValues['plz'];
$html .= "<td class=\"dealer\">$name ($plz $loc)</td>\n";
$html .= "</tr>\n";
}
// only return table if no multiple choices are given
return $html.'</table>DEPRECATED // DONT USE THIS FUNCTION';
}
elseif ($this->mutlipleChoices) {
return '<p>multiple matches, please choose!<p>';
}
elseif ($this->noMatchesFound) {
return '<p>no matches found, please try again</p>';
}
}
/**
* Returns an array with all the Dealer objects from the database.
* Dealer ids are the array keys.
*
* @return array of Dealer objects.
*/
function getDealersArray () {
return $this->Dealers;
}
/**
* Returns the Dealer objects with the matching id.
*
* @param int $id
* @return Dealer object
*/
function getDealer ($id) {
$d = $this->Dealers[$id];
if (is_object($d)) {
return $d;
} else {
return "no such Dealer with id $id";
}
}
/**
* Returns the Geo_Object that represents the costumers location.
*
* @return Geo_Object
*/
function getcustomerLocationGeoObject () {
return $this->customerLocationGeoObject;
}
}
Gruß,
Martin
