phooglemap.php | searchcode

/library/phooglemap.php

https://github.com/josesanch/wimpy
PHP | 385 lines | 205 code | 47 blank | 133 comment | 35 complexity | afe1d2f16e55e56838dadf9ad237dd37 MD5 | raw file

<?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;





	private $icons = array();



/**

* @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, $title, $infoHTML, $icon = null, $callback = null, $id = null) {


		$pointer = count($this->validPoints);
		$this->validPoints[$pointer]['lat'] = $lat;

       		$this->validPoints[$pointer]['long'] = $long;
       		$this->validPoints[$pointer]['title'] = $title;

        	$this->validPoints[$pointer]['htmlMessage'] = $infoHTML;
        	if($icon) $this->validPoints[$pointer]['icon'] = $icon;
       		if($id)	$this->validPoints[$pointer]['id'] = $id;
		if($callback) $this->validPoints[$pointer]['callback'] = $callback;
		return $pointer;

    }




/**

* @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){

    $this->centerMap = "map.setCenter(new GLatLng(".$lat.",".$long."), ".$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, $icon = 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'] = $htmlMessage;
			if($icon) $this->validPoints[$pointer]['icon'] = $icon;

		}





	}

/**

* @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 $this->googleJS();

	}

	function googleJS(){

		return "\n<script src=\"http://maps.google.com/maps?file=api&amp;v=2&amp;key=".$this->apiKey."\" type=\"text/javascript\"></script>\n";

	}


	public function addCustomIcon($name, $url) {
		$icon = new GIcon($name);
		if($url) $icon->image = "\"$url\"";
		$this->icons[$name]= $icon;
		return $icon;
	}


	/**

	* @function     showMap

	* @description  Displays the Google Map on the page

	*/

	public function createMap() {
		$str =  "\n<div id=\"map\" style=\"width: ".$this->mapWidth."px; height: ".$this->mapHeight."px\">\n</div>\n";

		$str .= "
		<script type=\"text/javascript\">\n
				//<![CDATA[\n";

		$numPoints = count($this->validPoints);

    	for ($g = 0; $g < $numPoints; $g++) {
	    	$str .= "var point".$g.";var marker".$g.";";
    	}
		$str .="

			    var map;
			    function initialize_GoogleMAPS() {
			    map = new GMap2(document.getElementById(\"map\"));
	    		if (GBrowserIsCompatible()) {\n";
      	if (empty($this->centerMap)){

             $str.= "map.setCenter(new GPoint(".$this->validPoints[0]['long'].",".$this->validPoints[0]['lat']."), ".$this->zoomLevel.");\n";

		}else{

               $str.= $this->centerMap;

        }


		$str.= "}\n

			map.enableScrollWheelZoom()
			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') { $str.= "map.addControl(new GSmallMapControl());\n"; }

          	if ($this->controlType == 'large') { $str.= "map.addControl(new GLargeMapControl());\n"; }

		}


		if ($this->showType) {

			$str.= "map.addControl(new GMapTypeControl());\n";

		}

		foreach($this->icons as $name => $icon) {
			$str .= "var icon_$name = new GIcon(G_DEFAULT_ICON);\n";
			foreach(get_object_vars($icon) as $item => $value) {
				if($value) $str .= "icon_$name.$item = $value;\n";
			}
		}

	    $numPoints = count($this->validPoints);

    	for ($g = 0; $g < $numPoints; $g++) {
    		if($this->validPoints[$g]['icon']) {
    			$str .= "var options".$g." = { icon: icon_".$this->validPoints[$g]['icon']." };\n";
    		} else {
	    		$str .= "var options".$g." = {};\n";
    		}


    	    $str.= "point".$g." = new GPoint(".$this->validPoints[$g]['long'].",".$this->validPoints[$g]['lat'].");\n

					marker".$g." = new GMarker(point".$g.", options".$g.");\n

		            map.addOverlay(marker".$g.")\n

        		    GEvent.addListener(marker".$g.", \"click\", function() {\n";


			$htmlMessage = $this->validPoints[$g]['htmlMessage']!=null ? $this->validPoints[$g]['htmlMessage'] : $this->validPoints[$g]['passedAddress'];
			if($this->validPoints[$g]['callback']) {
				$str.= "if(".$this->validPoints[$g]['callback']."(marker".$g.")) ";
			}
       		$str.= "marker".$g.".openInfoWindowHtml(\"".$htmlMessage."\");\n";



            $str.= "});\n";

		}


		$str.= "}
		//]]>\n


    	</script>\n";
    	return $str;
	}


	function showMap() {
		return $this->createMap()."<script type=\"text/javascript\">initialize_GoogleMAPS();</script>";

	}
//				window.onload = showmap;


 ///////////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


class GIcon {

	public $image, $shadow, $iconSize, $shadowSize, $iconArchor;

}



?>