Perch Custom Map Field

<?php

/**
 * Perch Map fieldtype extended by Oliver Lowe
 *
 * The aim is to move the field hint up the page to a more useful position
 * underneath the address field, and above the main map.
 *
 * Also adds static map attributes and static-map class to static map.
 */
class PerchFieldType_gmap extends PerchFieldType_map
{
    public function add_page_resources()
    {
        $Perch = Perch::fetch();
        $Perch->add_foot_content('<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?key='.$this->_get_api_key().'"></script>');
        $Perch->add_javascript(PERCH_LOGINPATH.'/core/assets/js/maps.js');
    }

    /**
     * Render the map in the admin screen.
     * Move amny hints to below the search box, not at the bottom of the map.
     *
     * @param  array  $details [description]
     * @return [type]          [description]
     */
    public function render_inputs($details=array())
    {
        $s = $this->Form->text($this->Tag->input_id().'_adr', $this->Form->get((isset($details[$this->Tag->input_id()])? $details[$this->Tag->input_id()] : array()), 'adr', $this->Tag->default()), 'map_adr');

        // This is the only change from the initial map.
        if ($this->Tag->help()) {
            $s .= $this->Form->translated_hint($this->Tag->help());
        }
        // Remove the help no we've loutput it to avoid outputting twice.
        unset($this->Tag->attributes['help']);

        $s .= '<br>';

        // Carry on, nothing to see here...
        $s .= '<div class="map" data-btn-label="'.PerchLang::get('Find').'" data-mapid="'.PerchUtil::html($this->Tag->input_id(), true).'" data-width="'.($this->Tag->width() ? $this->Tag->width() : '640').'" data-height="'.($this->Tag->height() ? $this->Tag->height() : '480').'">';
            if (isset($details[$this->Tag->input_id()]['admin_html'])) {
                $s .= $details[$this->Tag->input_id()]['admin_html'];
                $s .= $this->Form->hidden($this->Tag->input_id().'_lat',  $details[$this->Tag->input_id()]['lat']);
                $s .= $this->Form->hidden($this->Tag->input_id().'_lng',  $details[$this->Tag->input_id()]['lng']);
                $s .= $this->Form->hidden($this->Tag->input_id().'_clat', $details[$this->Tag->input_id()]['clat']);
                $s .= $this->Form->hidden($this->Tag->input_id().'_clng', $details[$this->Tag->input_id()]['clng']);
                $s .= $this->Form->hidden($this->Tag->input_id().'_type', $details[$this->Tag->input_id()]['type']);
                $s .= $this->Form->hidden($this->Tag->input_id().'_zoom', $details[$this->Tag->input_id()]['zoom']);
            }
        $s .= '</div>';

        return $s;
    }

    /**
     * Get the data for output.
     *
     * Address 'directions' and 'address' output mode
     *
     * @param  boolean $raw [description]
     * @return [type]       [description]
     */
    public function get_processed($raw = false)
    {
        if ($raw === false) {
            $raw = $this->get_raw();
        }

        if (is_array($raw)) {
            switch ($this->Tag->output()) {
                case 'address':
                    return $raw['adr'];
                    break;

                case 'directions':
                    $directionsURL = "https://www.google.com/maps/dir/Current+Location/";
                    $adr = urlencode($raw['adr']);

                    return $directionsURL . $adr;
                    break;
            }

            return $raw['html'];
        }
    }

    /**
     * Add static width attributes to default method
     *
     * @param  [type] $id    [description]
     * @param  [type] $tag   [description]
     * @param  [type] $value [description]
     * @return [type]        [description]
     */
    private function _process_map($id, $tag, $value)
    {
        $out = array();

        if (isset($value['adr'])) {

            $out['adr']     = $value['adr'];
            $out['_title']  = $value['adr'];
            $out['_default']= $value['adr'];

            if (!isset($value['lat'])) {

                $lat = false;
                $lng = false;

                $path = '/maps/api/geocode/json?address='.urlencode($value['adr']).'&sensor=false&key='.$this->_get_api_key();
                $result = PerchUtil::http_get_request('http://', 'maps.googleapis.com', $path);
                if ($result) {
                    $result = PerchUtil::json_safe_decode($result, true);
                    //PerchUtil::debug($result);
                    if ($result['status']=='OK') {
                        if (isset($result['results'][0]['geometry']['location']['lat'])) {
                            $lat = $result['results'][0]['geometry']['location']['lat'];
                            $lng = $result['results'][0]['geometry']['location']['lng'];
                        }
                    }
                }
            }else{
                $lat = $value['lat'];
                $lng = $value['lng'];
            }

            $out['lat'] = $lat;
            $out['lng'] = $lng;


            if (!isset($value['clat'])) {
                $clat = $lat;
                $clng = $lng;
            }else{
                $clat = $value['clat'];
                $clng = $value['clng'];
            }

            $out['clat'] = $clat;
            $out['clng'] = $clng;

            if (!isset($value['zoom'])) {
                if ($tag->zoom()) {
                    $zoom = $tag->zoom();
                }else{
                    $zoom = 15;
                }
            }else{
                $zoom = $value['zoom'];
            }

            if (!isset($value['type'])) {
                if ($tag->type()) {
                    $type = $tag->type();
                }else{
                    $type = 'roadmap';
                }
            }else{
                $type = $value['type'];
            }


            $adr    = $value['adr'];

            if (PERCH_RWD) {
                $width  = ($tag->width() ? $tag->width() : '');
                $height = ($tag->height() ? $tag->height() : '');
            }else{
                $width  = ($tag->width() ? $tag->width() : '460');
                $height = ($tag->height() ? $tag->height() : '320');
            }

            // OL Add static width attributes
            $static_width  = ($tag->static_width()  == '' ? '460' : $tag->static_width());
            $static_height = ($tag->static_height() == '' ? '320' : $tag->static_height());
            $static_zoom = ($tag->static_zoom() == '' ? $zoom : $tag->static_zoom());

            $out['zoom'] = $zoom;
            $out['type'] = $type;

            $r  = '<img id="cmsmap'.PerchUtil::html($id).'" src="//maps.google.com/maps/api/staticmap';

            $r  .= '?key='.PerchUtil::html($this->_get_api_key(), true).'&amp;center='.$clat.','.$clng.'&amp;size='.$static_width.'x'.$static_height.'&amp;scale=2&amp;zoom='.$static_zoom.'&amp;maptype='.$type;

            if ($lat && $lng)   $r .= '&amp;markers=color:red|color:red|'.$lat.','.$lng;
            $r  .= '" ';

            if ($tag->class())  $r .= ' class="'.PerchUtil::html($tag->class()).'"';

            $r  .= ' width="'.$static_width.'" height="'.$static_height.'" alt="'.PerchUtil::html($adr).'" />';

            $out['admin_html'] = $r;

            $map_js_path = PerchUtil::html(PERCH_LOGINPATH).'/core/assets/js/public_maps.min.js';

            if (defined('PERCH_MAP_JS') && PERCH_MAP_JS) {
                $map_js_path = PerchUtil::html(PERCH_MAP_JS);
            }

            // JavaScript
            $r .= '<script type="text/javascript">/* <![CDATA[ */ ';
            $r .= "if(typeof CMSMap =='undefined'){var CMSMap={};CMSMap.maps=[];document.write('<scr'+'ipt type=\"text\/javascript\" src=\"".$map_js_path."\"><'+'\/sc'+'ript>');}";
            $r .= "CMSMap.maps.push({'mapid':'cmsmap".PerchUtil::html($id)."','width':'".$width."','height':'".$height."','type':'".$type."','zoom':'".$zoom."','adr':'".addslashes(PerchUtil::html($adr))."','lat':'".$lat."','lng':'".$lng."','clat':'".$clat."','clng':'".$clng."'});";
            $r .= "CMSMap.key='".PerchUtil::html($this->_get_api_key(), true)."';";
            $r .= '/* ]]> */';
            $r .= '</script>';


            if (defined('PERCH_XHTML_MARKUP') && PERCH_XHTML_MARKUP==false) {
                $r = str_replace('/>', '>', $r);
            }

            $out['html'] = $r;
        }

        return $out;
    }

    /**
     * Need to reimplement this method as its a private method on parent class.
     *
     * @return [type] [description]
     */
    private function _get_api_key()
    {
        if (!defined('PERCH_GMAPS_API_KEY')) {
            return null;
        }

        return PERCH_GMAPS_API_KEY;
    }
}