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<?php
/**
* Phoogle Maps 2.0 | Uses Google Maps API to create customizable maps
* that can be embedded on your website
* Copyright (C) 2005 Justin Johnson
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* Phoogle Maps 2.0
* Uses Google Maps Mapping API to create customizable
* Google Maps that can be embedded on your website
*
* @class Phoogle Maps 2.0
* @author Justin Johnson <justinjohnson@system7designs.com>
* @copyright 2005 system7designs
*/
class PhoogleMap{
/**
* validPoints : array
* Holds addresses and HTML Messages for points that are valid (ie: have longitude and latitutde)
*/
var $validPoints = array();
/**
* invalidPoints : array
* Holds addresses and HTML Messages for points that are invalid (ie: don't have longitude and latitutde)
*/
var $invalidPoints = array();
/**
* mapWidth
* width of the Google Map, in pixels
*/
var $mapWidth = 300;
/**
* mapHeight
* height of the Google Map, in pixels
*/
var $mapHeight = 300;
/**
* apiKey
* Google API Key
*/
var $apiKey = "";
/**
* showControl
* True/False whether to show map controls or not
*/
var $showControl = true;
/**
* showType
* True/False whether to show map type controls or not
*/
var $showType = true;
/**
* controlType
* string: can be 'small' or 'large'
* display's either the large or the small controls on the map, small by default
*/
var $controlType = 'small';
/**
* zoomLevel
* int: 0-17
* set's the initial zoom level of the map
*/
var $zoomLevel = 4;
/**
* @function addGeoPoint
* @description Add's an address to be displayed on the Google Map using latitude/longitude
* early version of this function, considered experimental
*/
function addGeoPoint($lat,$long,$infoHTML){
$pointer = count($this->validPoints);
$this->validPoints[$pointer]['lat'] = $lat;
$this->validPoints[$pointer]['long'] = $long;
$this->validPoints[$pointer]['htmlMessage'] = $infoHTML;
}
/**
* @function centerMap
* @description center's Google Map on a specific point
* (thus eliminating the need for two different show methods from version 1.0)
*/
function centerMap($lat,$long){
$this->centerMap = "map.centerAndZoom(new GPoint(".$long.",".$lat."), ".$this->zoomLevel.");\n";
}
/**
* @function addAddress
* @param $address:string
* @returns Boolean True:False (True if address has long/lat, false if it doesn't)
* @description Add's an address to be displayed on the Google Map
* (thus eliminating the need for two different show methods from version 1.0)
*/
function addAddress($address,$htmlMessage=null){
if (!is_string($address)){
die("All Addresses must be passed as a string");
}
$apiURL = "http://maps.google.com/maps/geo?&output=xml&key=".$this->apiKey."&q=";
$addressData = file_get_contents($apiURL.urlencode($address));
$results = $this->xml2array(utf8_encode($addressData));
if (empty($results['kml']['Response']['Placemark']['Point']['coordinates'])){
$pointer = count($this->invalidPoints);
$this->invalidPoints[$pointer]['lat']= $results['kml'][Response]['Placemark']['Point']['coordinates'][0];
$this->invalidPoints[$pointer]['long']= $results['kml'][Response]['Placemark']['Point']['coordinates'][1];
$this->invalidPoints[$pointer]['passedAddress'] = $address;
$this->invalidPoints[$pointer]['htmlMessage'] = $htmlMessage;
}else{
$pointer = count($this->validPoints);
$this->validPoints[$pointer]['lat']= $results['kml'][Response]['Placemark']['Point']['coordinates'];
$this->validPoints[$pointer]['long']= $results['kml'][Response]['Placemark']['Point']['coordinates'];
$this->validPoints[$pointer]['passedAddress'] = $address;
$this->validPoints[$pointer]['htmlMessage'] = $htmlMessage;
}
}
/**
* @function showValidPoints
* @param $displayType:string
* @param $css_id:string
* @returns nothing
* @description Displays either a table or a list of the address points that are valid.
* Mainly used for debugging but could be useful for showing a list of addresses
* on the map
*/
function showValidPoints($displayType,$css_id){
$total = count($this->validPoints);
if ($displayType == "table"){
echo "<table id=\"".$css_id."\">\n<tr>\n\t<td>Address</td>\n</tr>\n";
for ($t=0; $t<$total; $t++){
echo"<tr>\n\t<td>".$this->validPoints[$t]['passedAddress']."</td>\n</tr>\n";
}
echo "</table>\n";
}
if ($displayType == "list"){
echo "<ul id=\"".$css_id."\">\n";
for ($lst=0; $lst<$total; $lst++){
echo "<li>".$this->validPoints[$lst]['passedAddress']."</li>\n";
}
echo "</ul>\n";
}
}
/**
* @function showInvalidPoints
* @param $displayType:string
* @param $css_id:string
* @returns nothing
* @description Displays either a table or a list of the address points that are invalid.
* Mainly used for debugging shows only the points that are NOT on the map
*/
function showInvalidPoints($displayType,$css_id){
$total = count($this->invalidPoints);
if ($displayType == "table"){
echo "<table id=\"".$css_id."\">\n<tr>\n\t<td>Address</td>\n</tr>\n";
for ($t=0; $t<$total; $t++){
echo"<tr>\n\t<td>".$this->invalidPoints[$t]['passedAddress']."</td>\n</tr>\n";
}
echo "</table>\n";
}
if ($displayType == "list"){
echo "<ul id=\"".$css_id."\">\n";
for ($lst=0; $lst<$total; $lst++){
echo "<li>".$this->invalidPoints[$lst]['passedAddress']."</li>\n";
}
echo "</ul>\n";
}
}
/**
* @function setWidth
* @param $width:int
* @returns nothing
* @description Sets the width of the map to be displayed
*/
function setWidth($width){
$this->mapWidth = $width;
}
/**
* @function setHeight
* @param $height:int
* @returns nothing
* @description Sets the height of the map to be displayed
*/
function setHeight($height){
$this->mapHeight = $height;
}
/**
* @function setAPIkey
* @param $key:string
* @returns nothing
* @description Stores the API Key acquired from Google
*/
function setAPIkey($key){
$this->apiKey = $key;
}
/**
* @function printGoogleJS
* @returns nothing
* @description Adds the necessary Javascript for the Google Map to function
* should be called in between the html <head></head> tags
*/
function printGoogleJS(){
echo "\n<script src=\"http://maps.google.com/maps?file=api&v=2&key=".$this->apiKey."\" type=\"text/javascript\"></script>\n";
}
/**
* @function showMap
* @description Displays the Google Map on the page
*/
function showMap(){
echo "\n<div id=\"map\" style=\"width: ".$this->mapWidth."px; height: ".$this->mapHeight."px\">\n</div>\n";
echo " <script type=\"text/javascript\">\n
function showmap(){
//<![CDATA[\n
if (GBrowserIsCompatible()) {\n
var map = new GMap(document.getElementById(\"map\"));\n";
if (empty($this->centerMap)){
echo "map.centerAndZoom(new GPoint(".$this->validPoints[0]['long'].",".$this->validPoints[0]['lat']."), ".$this->zoomLevel.");\n";
}else{
echo $this->centerMap;
}
echo "}\n
var icon = new GIcon();
icon.image = \"http://labs.google.com/ridefinder/images/mm_20_red.png\";
icon.shadow = \"http://labs.google.com/ridefinder/images/mm_20_shadow.png\";
icon.iconSize = new GSize(12, 20);
icon.shadowSize = new GSize(22, 20);
icon.iconAnchor = new GPoint(6, 20);
icon.infoWindowAnchor = new GPoint(5, 1);
";
if ($this->showControl){
if ($this->controlType == 'small'){echo "map.addControl(new GSmallMapControl());\n";}
if ($this->controlType == 'large'){echo "map.addControl(new GLargeMapControl());\n";}
}
if ($this->showType){
echo "map.addControl(new GMapTypeControl());\n";
}
$numPoints = count($this->validPoints);
for ($g = 0; $g<$numPoints; $g++){
echo "var point".$g." = new GPoint(".$this->validPoints[$g]['long'].",".$this->validPoints[$g]['lat'].")\n;
var marker".$g." = new GMarker(point".$g.");\n
map.addOverlay(marker".$g.")\n
GEvent.addListener(marker".$g.", \"click\", function() {\n";
if ($this->validPoints[$g]['htmlMessage']!=null){
echo "marker".$g.".openInfoWindowHtml(\"".$this->validPoints[$g]['htmlMessage']."\");\n";
}else{
echo "marker".$g.".openInfoWindowHtml(\"".$this->validPoints[$g]['passedAddress']."\");\n";
}
echo "});\n";
}
echo " //]]>\n
}
window.onload = showmap;
</script>\n";
}
///////////THIS BLOCK OF CODE IS FROM Roger Veciana's CLASS (assoc_array2xml) OBTAINED FROM PHPCLASSES.ORG//////////////
function xml2array($xml){
$this->depth=-1;
$this->xml_parser = xml_parser_create();
xml_set_object($this->xml_parser, $this);
xml_parser_set_option ($this->xml_parser,XML_OPTION_CASE_FOLDING,0);//Don't put tags uppercase
xml_set_element_handler($this->xml_parser, "startElement", "endElement");
xml_set_character_data_handler($this->xml_parser,"characterData");
xml_parse($this->xml_parser,$xml,true);
xml_parser_free($this->xml_parser);
return $this->arrays[0];
}
function startElement($parser, $name, $attrs){
$this->keys[]=$name;
$this->node_flag=1;
$this->depth++;
}
function characterData($parser,$data){
$key=end($this->keys);
$this->arrays[$this->depth][$key]=$data;
$this->node_flag=0;
}
function endElement($parser, $name)
{
$key=array_pop($this->keys);
if($this->node_flag==1){
$this->arrays[$this->depth][$key]=$this->arrays[$this->depth+1];
unset($this->arrays[$this->depth+1]);
}
$this->node_flag=1;
$this->depth--;
}
//////////////////END CODE FROM Roger Veciana's CLASS (assoc_array2xml) /////////////////////////////////
}//End Of Class
?>