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<?php |
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class LatLongField extends FieldGroup { |
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private static $allowed_actions = array ( |
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'geocode' |
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); |
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protected $latField; |
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protected $longField; |
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protected $zoomField; |
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protected $buttonText; |
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private $guidePoints = null; |
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private static $ctr = 0; |
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public function __construct($children = array(), $buttonText = null) { |
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self::$ctr++; |
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if ((sizeof($children) < 2) || (sizeof($children) > 3) || |
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(!$children[0] instanceof FormField) || |
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(!$children[1] instanceof FormField) |
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) { |
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user_error('LatLongField argument 1 must be an array containing at least two FormField '. |
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'objects for Lat/Long values, respectively.', E_USER_ERROR); |
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} |
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parent::__construct($children); |
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$this->buttonText = $buttonText ? $buttonText : _t('LatLongField.LOOKUP', 'Search'); |
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$this->latField = $children[0]->getName(); |
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$this->longField = $children[1]->getName(); |
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if (sizeof($children) == 3) { |
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$this->zoomField = $children[2]->getName(); |
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} |
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$name = ""; |
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foreach ($children as $field) { |
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$name .= $field->getName(); |
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} |
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// hide the lat long and zoom fields from the interface |
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foreach ($this->FieldList() as $fieldToHide) { |
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$fieldToHide->addExtraClass('hide'); |
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} |
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$this->name = $name; |
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} |
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public function FieldHolder($properties = array()) { |
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Requirements::javascript(THIRDPARTY_DIR.'/jquery/jquery.js'); |
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Requirements::javascript(THIRDPARTY_DIR.'/jquery-livequery/jquery.livequery.js'); |
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Requirements::javascript(THIRDPARTY_DIR.'/jquery-metadata/jquery.metadata.js'); |
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Requirements::javascript(MAPPABLE_MODULE_PATH.'/javascript/mapField.js'); |
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$attributes = array( |
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'class' => 'editableMap', |
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'id' => 'GoogleMap', |
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'data-LatFieldName' => $this->latField, |
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'data-LonFieldName' => $this->longField, |
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'data-ZoomFieldName' => $this->zoomField, |
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'data-UseMapBounds' => false |
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); |
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Requirements::css('mappable/css/mapField.css'); |
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$guidePointsJSON = ''; |
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if (!empty($this->guidePoints)) { |
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$latlongps = array(); |
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foreach ($this->guidePoints as $guidepoint) { |
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array_push($latlongps, $guidepoint); |
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} |
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$guidePointsJSON = json_encode($latlongps); |
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// convert the mappable guidepoints to lat lon |
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$attributes['data-GuidePoints'] = $guidePointsJSON; |
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84
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// we only wish to change the bounds to those of all the points iff |
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// the item currently has no location |
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$attributes['data-useMapBounds'] = true; |
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} |
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$content = '<div class="editableMapWrapper">' . $this->createTag( |
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"div", |
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$attributes |
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) . '</div>'; |
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93
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$this->FieldList()->push(new LiteralField('locationEditor', $content)); |
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95
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$content2 = <<<HTML |
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<div id="mapSearch"> |
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<input name="location_search" id="location_search" size=80/> |
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<button class="action" id="searchLocationButton">Search Location Name</button> |
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<div id="mapSearchResults"> |
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</div> |
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</div> |
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HTML; |
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$this->FieldList()->push(new LiteralField('mapSearch', $content2)); |
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106
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return parent::FieldHolder(); |
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} |
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108
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109
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110
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/* |
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Perform place name search as a means of navigation when editing locations |
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*/ |
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113
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public function geocode(SS_HTTPRequest $r) { |
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if ($address = $r->requestVar('address')) { |
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if ($json = @file_get_contents( |
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"http://maps.googleapis.com/maps/api/geocode/json?sensor=false&address=". |
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urlencode($address))) { |
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$response = Convert::json2array($json); |
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$location = $response['results'][0]->geometry->location; |
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return new SS_HTTPResponse($location->lat.",".$location->lng); |
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} |
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122
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} |
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123
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} |
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124
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125
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126
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/* |
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127
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Set guidance points for the map being edited. For example in a photographic set show the map |
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128
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position of some other images so that subsequent photo edits do not start with a map centred |
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at the origin |
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131
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@var newGuidePoints array of points expressed as associative arrays containing keys latitude |
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and longitude mapping to geographical locations |
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*/ |
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134
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public function setGuidePoints($newGuidePoints) { |
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$this->guidePoints = $newGuidePoints; |
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} |
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137
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138
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} |
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gordonbanderson /
Mappable
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