field.geocoder.php

<?php

defined('BASEPATH') or exit('No direct script access allowed');

/**
 * PyroStreams Geocoder Field Type
 *
 * Generate longitude and latitude from a specified location
 *
 * @package		PyroStreams
 * @author		David Lewis
 * @author		Jose Fonseca
 * @copyright	Copyright (c) 2012, David Lewis
 */
class Field_geocoder {

    public $field_type_slug = 'geocoder';
    public $db_col_type = 'varchar';
    public $version = '1.0.0';
    public $author = array('name' => 'David Lewis', 'url' => 'http://jedihorsemanship.com');

    // --------------------------------------------------------------------------

    /**
     * Output form input
     *
     * @access	public
     * @param $data	array
     * @return	string
     */
    public function form_output($data) {
        $value = json_decode($data['value']);
        $options = array(
            'name' => $data['form_slug'],
            'id' => $data['form_slug'],
            'value' => $data['value'],
            'type' => 'hidden',
        );

        $html = "";

        /** Add assets if not admin * */
        if ($this->CI->uri->segment(1) !== "admin") {
            $html .= '<script src="//maps.google.com/maps/api/js?sensor=false"></script>';
            $html .= '<link rel="stylesheet" href="' . base_url('streams_core/field_asset/css/geocoder/geocoder.css') . '" />';
            $html .= '<script type="text/javascript" src="' . base_url('streams_core/field_asset/js/geocoder/geocoder.js') . '"></script>';
            $html .= '<script type="text/javascript">$(function() {initialize("' . $data['form_slug'] . '");});</script>';
        }

        $html .= '<span id="' . $data['form_slug'] . '_msg" class="stream_map_msg"></span>';
        $html .= '<div id="' . $data['form_slug'] . '_map" class="stream_map"></div>';

        $options_input = array(
            'id' => $data['form_slug'] . '_input',
            // jhubb81 added name attribute to generated address_input to allow for proper javascript validation
            'name' => $data['form_slug'] . '_input',
            # Check if addres exists to maintain backward compatibility
            'value' => (!empty($value->address)) ? $value->address : $data['value'],
            'type' => 'text',
        );

        return form_input($options) . form_input($options_input) . $html;
    }

    // --------------------------------------------------------------------------

    /**
     * Tag output variables
     *
     * Outputs 'latitude' & 'longitude' variables
     *
     * @access 	public
     * @param	string
     * @param	array
     * @return	array
     */
    public function pre_output_plugin($input, $data) {
        if (!$input)
            return null;

        $location = json_decode($input);

        # Maintain backward compatability
        if (!is_object($location)) {
            $pieces = explode(',', $input);
            if (count($pieces) != 2)
                return null;

            $array = array(
                'lat' => $pieces[0],
                'lng' => $pieces[1],
                'address' => null,
            );

            $location = (object) $array;
        }

        /** HTML to show map * */
        $html = '<script src="//maps.google.com/maps/api/js?sensor=false"></script>';
        $html .= '<link rel="stylesheet" href="' . base_url('streams_core/field_asset/css/geocoder/geocoder.css') . '" />';
        $html .= '<script type="text/javascript" src="' . base_url('streams_core/field_asset/js/geocoder/geocoder.js') . '"></script>';
        $html .= '<script type="text/javascript">$(function() {initialize("' . $data['field_slug'] . '");});</script>';
        $html .= '<span id="' . $data['field_slug'] . '_msg" class="stream_map_msg"></span>';
        $html .= '<div id="' . $data['field_slug'] . '_map" class="stream_map"></div>';
        $options_input = array(
            'id' => $data['field_slug'] . '_input',
            // jhubb81 added name attribute to generated address_input to allow for proper javascript validation
            'name' => $data['field_slug'] . '_input',
            # Check if addres exists to maintain backward compatibility
            'value' => (!empty($location->address)) ? $location->address : "",
            'type' => 'hidden',
        );
        $html .= form_input($options_input);

        $data = array(
            'latitude' => $location->lat,
            'longitude' => $location->lng,
            'lat' => $location->lat,
            'lng' => $location->lng,
            'address' => $location->address,
            'html' => $html
        );

        return $data;
    }

    /**
     * Event
     *
     * Load assets
     *
     * @access public
     * @param $field object
     * @return void
     */
    public function event($field) {
        $this->CI->type->add_misc('<script src="//maps.google.com/maps/api/js?sensor=false"></script>');
        $this->CI->type->add_js('geocoder', 'geocoder.js');
        $this->CI->type->add_css('geocoder', 'geocoder.css');
        $this->CI->type->add_misc('<script type="text/javascript">
$(document).ready(function() {
    initialize("' . $field->field_slug . '");
    $(".tabs").bind("tabsshow", function(event, ui) {
        google.maps.event.trigger(map, "resize");
        mapLocation();
    });
});
</script>');
    }

}