GoogleMapHelper

By Mahmoud Lababidi (lababidi)
Use this helper to add a GoogleMap to your application. For a tutorial on how to use it, check out http://bakery.cakephp.org/articles/view/186.

Helper Class:

Download code <?php 
/*
 * CakeMap -- a google maps integrated application built on CakePHP framework.
 * Copyright (c) 2005 Garrett J. Woodworth : gwoo@rd11.com
 * rd11,inc : http://rd11.com
 *
 * @author      gwoo <gwoo@rd11.com>
 * @version     0.10.1311_pre_beta
 * @license     OPPL
 *
 * Modified by     Mahmoud Lababidi <lababidi@bearsontherun.com>
 * Date        Dec 16, 2006
 * 
 *
 */
class GoogleMapHelper extends Helper {

    var $errors = array();

    var $key = "ABQIAAAAvCbGW5EV-rEJpZP96-o0NxQ1SJ3zY01f5orEIl-iQQteZ6BtLxQEPgACixUBYnGKDDbCXFOnFTJ1JQ";

    function map($default, $style = 'width: 400px; height: 400px' )
    {
        //if (empty($default)){return "error: You have not specified an address to map"; exit();}
        $out = "<div id=\"map\"";
        $out .= isset($style) ? "style=\"".$style."\"" : null;
        $out .= " ></div>";
        $out .= "
        <script type=\"text/javascript\">
        //<![CDATA[

        if (GBrowserIsCompatible()) 
        {    
            var map = new GMap(document.getElementById(\"map\"));
            map.addControl(new GLargeMapControl());
            map.addControl(new GMapTypeControl());
            map.setMapType(map.getMapTypes()[".$default['type']."]);
            map.centerAndZoom(new GPoint(".$default['long'].", ".$default['lat']."), ".$default['zoom'].");
        }
        //]]>
        </script>";

        return $out;
    }

    function addMarkers(&$data, $icon=null)
    {
        $out = "
            <script type=\"text/javascript\">
            //<![CDATA[
            if (GBrowserIsCompatible()) 
            {
            ";
            
            if(is_array($data))
            {
                if($icon)
                {
                    $out .= $icon;        
                }
                else
                {
                    $out .= '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);
                    ';

                }
                $i = 0;
                foreach($data as $n=>$m){
                    $keys = array_keys($m);
                    $point = $m[$keys[0]];
                    if(!preg_match('/[^0-9\\.\\-]+/',$point['longitude']) && preg_match('/^[-]?(?:180|(?:1[0-7]\\d)|(?:\\d?\\d))[.]{1,1}[0-9]{0,15}/',$point['longitude'])
                        && !preg_match('/[^0-9\\.\\-]+/',$point['latitude']) && preg_match('/^[-]?(?:180|(?:1[0-7]\\d)|(?:\\d?\\d))[.]{1,1}[0-9]{0,15}/',$point['latitude']))
                    {
                        $out .= "
                            var point".$i." = new GPoint(".$point['longitude'].",".$point['latitude'].");
                            var marker".$i." = new GMarker(point".$i.",icon);
                            map.addOverlay(marker".$i.");
                            marker$i.html = \"$point[title]$point[html]\";
                            GEvent.addListener(marker".$i.", \"click\", 
                            function() {
                                marker$i.openInfoWindowHtml(marker$i.html);
                            });";
                        $data[$n][$keys[0]]['js']="marker$i.openInfoWindowHtml(marker$i.html);";
                        $i++;
                    }
                }
            }
        $out .=    "} 
                //]]>
            </script>";
        return $out;
    }
    
    function addClick($var, $script=null)
    {
        $out = "
            <script type=\"text/javascript\">
            //<![CDATA[
            if (GBrowserIsCompatible()) 
            {
            " 
            .$script
            .'GEvent.addListener(map, "click", '.$var.', true);'
            ."} 
                //]]>
            </script>";
        return $out;
    }    
    
    function addMarkerOnClick($innerHtml = null)
    {
        $mapClick = '
            var mapClick = function (overlay, point) {
                var point = new GPoint(point.x,point.y);
                var marker = new GMarker(point,icon);
                map.addOverlay(marker)
                GEvent.addListener(marker, "click", 
                function() {
                    marker.openInfoWindowHtml('.$innerHtml.');
                });
            }
        ';
        return $this->addClick('mapClick', $mapClick);
        
    }    

}
?>