699 lines
14 KiB
PHP
699 lines
14 KiB
PHP
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<?php
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/**
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* @package Joomla.Platform
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* @subpackage Google
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die;
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/**
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* Google Maps embed class for the Joomla Platform.
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*
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* @package Joomla.Platform
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* @subpackage Google
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* @since 12.3
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*/
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class JGoogleEmbedMaps extends JGoogleEmbed
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{
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/**
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* @var JHttp The HTTP client object to use in sending HTTP requests.
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* @since 12.3
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*/
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protected $http;
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/**
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* Constructor.
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*
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* @param JRegistry $options Google options object
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* @param JUri $uri URL of the page being rendered
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* @param JHttp $http Http client for geocoding requests
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*
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* @since 12.3
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*/
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public function __construct(JRegistry $options = null, JUri $uri = null, JHttp $http = null)
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{
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parent::__construct($options = null, $uri = null);
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$this->http = $http ? $http : new JHttp($this->options);
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}
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/**
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* Method to get the API key
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*
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* @return string The Google Maps API key
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*
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* @since 12.3
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*/
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public function getKey()
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{
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return $this->getOption('key');
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}
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/**
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* Method to set the API key
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*
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* @param string $key The Google Maps API key
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*
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* @return JGoogleEmbedMaps The object for method chaining
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*
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* @since 12.3
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*/
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public function setKey($key)
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{
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$this->setOption('key', $key);
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return $this;
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}
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/**
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* Method to get the id of the map div
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*
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* @return string The ID
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*
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* @since 12.3
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*/
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public function getMapID()
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{
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return $this->getOption('mapid') ? $this->getOption('mapid') : 'map_canvas';
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}
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/**
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* Method to set the map div id
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*
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* @param string $id The ID
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*
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* @return JGoogleEmbedMaps The object for method chaining
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*
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* @since 12.3
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*/
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public function setMapID($id)
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{
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$this->setOption('mapid', $id);
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return $this;
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}
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/**
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* Method to get the class of the map div
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*
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* @return string The class
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*
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* @since 12.3
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*/
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public function getMapClass()
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{
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return $this->getOption('mapclass') ? $this->getOption('mapclass') : '';
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}
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/**
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* Method to set the map div class
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*
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* @param string $class The class
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*
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* @return JGoogleEmbedMaps The object for method chaining
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*
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* @since 12.3
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*/
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public function setMapClass($class)
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{
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$this->setOption('mapclass', $class);
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return $this;
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}
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/**
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* Method to get the style of the map div
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*
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* @return string The style
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*
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* @since 12.3
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*/
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public function getMapStyle()
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{
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return $this->getOption('mapstyle') ? $this->getOption('mapstyle') : '';
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}
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/**
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* Method to set the map div style
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*
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* @param string $style The style
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*
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* @return JGoogleEmbedMaps The object for method chaining
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*
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* @since 12.3
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*/
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public function setMapStyle($style)
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{
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$this->setOption('mapstyle', $style);
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return $this;
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}
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/**
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* Method to get the map type setting
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*
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* @return string The class
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*
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* @since 12.3
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*/
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public function getMapType()
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{
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return $this->getOption('maptype') ? $this->getOption('maptype') : 'ROADMAP';
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}
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/**
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* Method to set the map type ()
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*
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* @param string $type Valid types are ROADMAP, SATELLITE, HYBRID, and TERRAIN
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*
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* @return JGoogleEmbedMaps The object for method chaining
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*
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* @since 12.3
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*/
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public function setMapType($type)
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{
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$this->setOption('maptype', strtoupper($type));
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return $this;
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}
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/**
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* Method to get additional map options
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*
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* @return string The options
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*
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* @since 12.3
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*/
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public function getAdditionalMapOptions()
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{
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return $this->getOption('mapoptions') ? $this->getOption('mapoptions') : array();
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}
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/**
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* Method to add additional map options
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*
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* @param array $options Additional map options
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*
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* @return JGoogleEmbedMaps The object for method chaining
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*
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* @since 12.3
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*/
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public function setAdditionalMapOptions($options)
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{
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$this->setOption('mapoptions', $options);
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return $this;
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}
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/**
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* Method to get additional map options
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*
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* @return string The options
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*
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* @since 12.3
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*/
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public function getAdditionalJavascript()
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{
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return $this->getOption('extrascript') ? $this->getOption('extrascript') : '';
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}
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/**
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* Method to add additional javascript
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*
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* @param array $script Additional javascript
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*
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* @return JGoogleEmbedMaps The object for method chaining
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*
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* @since 12.3
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*/
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public function setAdditionalJavascript($script)
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{
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$this->setOption('extrascript', $script);
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return $this;
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}
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/**
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* Method to get the zoom
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*
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* @return int The zoom level
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*
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* @since 12.3
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*/
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public function getZoom()
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{
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return $this->getOption('zoom') ? $this->getOption('zoom') : 0;
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}
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/**
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* Method to set the map zoom
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*
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* @param int $zoom Zoom level (0 is whole world)
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*
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* @return JGoogleEmbedMaps The object for method chaining
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*
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* @since 12.3
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*/
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public function setZoom($zoom)
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{
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$this->setOption('zoom', $zoom);
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return $this;
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}
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/**
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* Method to set the center of the map
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*
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* @return mixed A latitude longitude array or an address string
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*
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* @since 12.3
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*/
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public function getCenter()
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{
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return $this->getOption('mapcenter') ? $this->getOption('mapcenter') : array(0, 0);
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}
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/**
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* Method to set the center of the map
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*
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* @param mixed $location A latitude/longitude array or an address string
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* @param mixed $title Title of marker or false for no marker
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* @param array $markeroptions Options for marker
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*
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* @return JGoogleEmbedMaps The latitude/longitude of the center or false on failure
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*
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* @since 12.3
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*/
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public function setCenter($location, $title = true, $markeroptions = array())
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{
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if ($title)
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{
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$title = is_string($title) ? $title : null;
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if (!$marker = $this->addMarker($location, $title, $markeroptions))
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{
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return false;
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}
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$location = $marker['loc'];
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}
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elseif (is_string($location))
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{
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$geocode = $this->geocodeAddress($location);
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if (!$geocode)
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{
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return false;
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}
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$location = $geocode['geometry']['location'];
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$location = array_values($location);
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}
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$this->setOption('mapcenter', $location);
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return $this;
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}
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/**
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* Add a marker to the map
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*
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* @param mixed $location A latitude longitude array or an address string
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* @param mixed $title The hover-text for the marker
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* @param array $options Options for marker
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*
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* @return mixed The marker or false on failure
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*
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* @since 12.3
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*/
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public function addMarker($location, $title = null, $options = array())
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{
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if (is_string($location))
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{
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if (!$title)
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{
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$title = $location;
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}
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$geocode = $this->geocodeAddress($location);
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if (!$geocode)
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{
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return false;
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}
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$location = $geocode['geometry']['location'];
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}
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elseif (!$title)
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{
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$title = implode(', ', $location);
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}
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$location = array_values($location);
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$marker = array('loc' => $location, 'title' => $title, 'options' => $options);
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$markers = $this->listMarkers();
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$markers[] = $marker;
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$this->setOption('markers', $markers);
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return $marker;
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}
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/**
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* List the markers added to the map
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*
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* @return array A list of markers
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*
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* @since 12.3
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*/
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public function listMarkers()
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{
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return $this->getOption('markers') ? $this->getOption('markers') : array();
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}
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/**
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* Delete a marker from the map
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*
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* @param int $index Index of marker to delete (defaults to last added marker)
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*
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* @return array The latitude/longitude of the deleted marker
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*
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* @since 12.3
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*/
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public function deleteMarker($index = null)
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{
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$markers = $this->listMarkers();
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if ($index === null)
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{
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$index = count($markers) - 1;
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}
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if ($index >= count($markers) || $index < 0)
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{
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throw new OutOfBoundsException('Marker index out of bounds.');
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}
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$marker = $markers[$index];
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unset($markers[$index]);
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$markers = array_values($markers);
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$this->setOption('markers', $markers);
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return $marker;
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}
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/**
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* Checks if the javascript is set to be asynchronous
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*
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* @return boolean True if asynchronous
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*
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* @since 12.3
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*/
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public function isAsync()
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{
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return $this->getOption('async') === null ? true : $this->getOption('async');
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}
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/**
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* Load javascript asynchronously
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*
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* @return JGoogleEmbedMaps The object for method chaining
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*
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* @since 12.3
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*/
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public function useAsync()
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{
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$this->setOption('async', true);
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return $this;
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}
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/**
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* Load javascript synchronously
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*
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* @return JGoogleEmbedAMaps The object for method chaining
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*
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* @since 12.3
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|
|
*/
|
||
|
|
public function useSync()
|
||
|
|
{
|
||
|
|
$this->setOption('async', false);
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Method to get callback function for async javascript loading
|
||
|
|
*
|
||
|
|
* @return string The ID
|
||
|
|
*
|
||
|
|
* @since 12.3
|
||
|
|
*/
|
||
|
|
public function getAsyncCallback()
|
||
|
|
{
|
||
|
|
return $this->getOption('callback') ? $this->getOption('callback') : 'initialize';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Method to set the callback function for async javascript loading
|
||
|
|
*
|
||
|
|
* @param string $callback The callback function name
|
||
|
|
*
|
||
|
|
* @return JGoogleEmbedMaps The object for method chaining
|
||
|
|
*
|
||
|
|
* @since 12.3
|
||
|
|
*/
|
||
|
|
public function setAsyncCallback($callback)
|
||
|
|
{
|
||
|
|
$this->setOption('callback', $callback);
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if a sensor is set to be required
|
||
|
|
*
|
||
|
|
* @return boolean True if asynchronous
|
||
|
|
*
|
||
|
|
* @since 12.3
|
||
|
|
*/
|
||
|
|
public function hasSensor()
|
||
|
|
{
|
||
|
|
return $this->getOption('sensor') === null ? false : $this->getOption('sensor');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Require access to sensor data
|
||
|
|
*
|
||
|
|
* @return JGoogleEmbedMaps The object for method chaining
|
||
|
|
*
|
||
|
|
* @since 12.3
|
||
|
|
*/
|
||
|
|
public function useSensor()
|
||
|
|
{
|
||
|
|
$this->setOption('sensor', true);
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Don't require access to sensor data
|
||
|
|
*
|
||
|
|
* @return JGoogleEmbedAMaps The object for method chaining
|
||
|
|
*
|
||
|
|
* @since 12.3
|
||
|
|
*/
|
||
|
|
public function noSensor()
|
||
|
|
{
|
||
|
|
$this->setOption('sensor', false);
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks how the script should be loaded
|
||
|
|
*
|
||
|
|
* @return string Autoload type (onload, jquery, mootools, or false)
|
||
|
|
*
|
||
|
|
* @since 12.3
|
||
|
|
*/
|
||
|
|
public function getAutoload()
|
||
|
|
{
|
||
|
|
return $this->getOption('autoload') ? $this->getOption('autoload') : 'false';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Automatically add the callback to the window
|
||
|
|
*
|
||
|
|
* @param string $type The method to add the callback (options are onload, jquery, mootools, and false)
|
||
|
|
*
|
||
|
|
* @return JGoogleEmbedAMaps The object for method chaining
|
||
|
|
*
|
||
|
|
* @since 12.3
|
||
|
|
*/
|
||
|
|
public function setAutoload($type = 'onload')
|
||
|
|
{
|
||
|
|
$this->setOption('autoload', $type);
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get code to load Google Maps javascript
|
||
|
|
*
|
||
|
|
* @return string Javascript code
|
||
|
|
*
|
||
|
|
* @since 12.3
|
||
|
|
*/
|
||
|
|
public function getHeader()
|
||
|
|
{
|
||
|
|
if (!$this->getOption('key'))
|
||
|
|
{
|
||
|
|
throw new UnexpectedValueException('A Google Maps API key is required.');
|
||
|
|
}
|
||
|
|
|
||
|
|
$zoom = $this->getZoom();
|
||
|
|
$center = $this->getCenter();
|
||
|
|
$maptype = $this->getMapType();
|
||
|
|
$id = $this->getMapID();
|
||
|
|
$scheme = $this->isSecure() ? 'https' : 'http';
|
||
|
|
$key = $this->getKey();
|
||
|
|
$sensor = $this->hasSensor() ? 'true' : 'false';
|
||
|
|
|
||
|
|
$setup = 'var mapOptions = {';
|
||
|
|
$setup .= "zoom: {$zoom},";
|
||
|
|
$setup .= "center: new google.maps.LatLng({$center[0]},{$center[1]}),";
|
||
|
|
$setup .= "mapTypeId: google.maps.MapTypeId.{$maptype},";
|
||
|
|
$setup .= substr(json_encode($this->getAdditionalMapOptions()), 1, -1);
|
||
|
|
$setup .= '};';
|
||
|
|
$setup .= "var map = new google.maps.Map(document.getElementById('{$id}'), mapOptions);";
|
||
|
|
|
||
|
|
foreach ($this->listMarkers() as $marker)
|
||
|
|
{
|
||
|
|
$loc = $marker['loc'];
|
||
|
|
$title = $marker['title'];
|
||
|
|
$options = $marker['options'];
|
||
|
|
|
||
|
|
$setup .= 'new google.maps.Marker({';
|
||
|
|
$setup .= "position: new google.maps.LatLng({$loc[0]},{$loc[1]}),";
|
||
|
|
$setup .= 'map: map,';
|
||
|
|
$setup .= "title:'{$title}',";
|
||
|
|
$setup .= substr(json_encode($options), 1, -1);
|
||
|
|
$setup .= '});';
|
||
|
|
}
|
||
|
|
|
||
|
|
$setup .= $this->getAdditionalJavascript();
|
||
|
|
|
||
|
|
if ($this->isAsync())
|
||
|
|
{
|
||
|
|
$asynccallback = $this->getAsyncCallback();
|
||
|
|
|
||
|
|
$output = '<script type="text/javascript">';
|
||
|
|
$output .= "function {$asynccallback}() {";
|
||
|
|
$output .= $setup;
|
||
|
|
$output .= '}';
|
||
|
|
|
||
|
|
$onload = "function() {";
|
||
|
|
$onload .= 'var script = document.createElement("script");';
|
||
|
|
$onload .= 'script.type = "text/javascript";';
|
||
|
|
$onload .= "script.src = '{$scheme}://maps.googleapis.com/maps/api/js?key={$key}&sensor={$sensor}&callback={$asynccallback}';";
|
||
|
|
$onload .= 'document.body.appendChild(script);';
|
||
|
|
$onload .= '}';
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$output = "<script type='text/javascript' src='{$scheme}://maps.googleapis.com/maps/api/js?key={$key}&sensor={$sensor}'>";
|
||
|
|
$output .= '</script>';
|
||
|
|
$output .= '<script type="text/javascript">';
|
||
|
|
|
||
|
|
$onload = "function() {";
|
||
|
|
$onload .= $setup;
|
||
|
|
$onload .= '}';
|
||
|
|
}
|
||
|
|
|
||
|
|
switch ($this->getAutoload())
|
||
|
|
{
|
||
|
|
case 'onload':
|
||
|
|
$output .= "window.onload={$onload};";
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'jquery':
|
||
|
|
$output .= "$(document).ready({$onload});";
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'mootools':
|
||
|
|
$output .= "window.addEvent('domready',{$onload});";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
$output .= '</script>';
|
||
|
|
|
||
|
|
return $output;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Method to retrieve the div that the map is loaded into
|
||
|
|
*
|
||
|
|
* @return string The body
|
||
|
|
*
|
||
|
|
* @since 12.3
|
||
|
|
*/
|
||
|
|
public function getBody()
|
||
|
|
{
|
||
|
|
$id = $this->getMapID();
|
||
|
|
$class = $this->getMapClass();
|
||
|
|
$style = $this->getMapStyle();
|
||
|
|
|
||
|
|
$output = "<div id='{$id}'";
|
||
|
|
|
||
|
|
if (!empty($class))
|
||
|
|
{
|
||
|
|
$output .= " class='{$class}'";
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!empty($style))
|
||
|
|
{
|
||
|
|
$output .= " style='{$style}'";
|
||
|
|
}
|
||
|
|
|
||
|
|
$output .= '></div>';
|
||
|
|
|
||
|
|
return $output;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Method to get the location information back from an address
|
||
|
|
*
|
||
|
|
* @param string $address The address to geocode
|
||
|
|
*
|
||
|
|
* @return array An array containing Google's geocode data
|
||
|
|
*
|
||
|
|
* @since 12.3
|
||
|
|
*/
|
||
|
|
public function geocodeAddress($address)
|
||
|
|
{
|
||
|
|
$url = 'http://maps.googleapis.com/maps/api/geocode/json?sensor=false&address=' . urlencode($address);
|
||
|
|
$response = $this->http->get($url);
|
||
|
|
|
||
|
|
if ($response->code < 200 || $response->code >= 300)
|
||
|
|
{
|
||
|
|
throw new RuntimeException('Error code ' . $response->code . ' received geocoding address: ' . $response->body . '.');
|
||
|
|
}
|
||
|
|
|
||
|
|
$data = json_decode($response->body, true);
|
||
|
|
|
||
|
|
if (!$data)
|
||
|
|
{
|
||
|
|
throw new RuntimeException('Invalid json received geocoding address: ' . $response->body . '.');
|
||
|
|
}
|
||
|
|
if ($data['status'] != 'OK')
|
||
|
|
{
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $data['results'][0];
|
||
|
|
}
|
||
|
|
}
|