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<?php |
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class MapExtension extends DataExtension implements Mappable |
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{ |
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/* |
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* Template suffix for rendering MapInfoWindow aka map bubble |
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*/ |
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private static $map_info_window_suffix = '_MapInfoWindow'; |
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private static $db = array( |
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'Lat' => 'Decimal(18,15)', |
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'Lon' => 'Decimal(18,15)', |
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'ZoomLevel' => 'Int', |
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'MapPinEdited' => 'Boolean', |
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); |
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public static $has_one = array( |
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'MapPinIcon' => 'Image', |
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); |
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public static $defaults = array( |
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'Lat' => 0, |
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'Lon' => 0, |
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'Zoom' => 4, |
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'MapPinEdited' => false, |
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); |
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/* |
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Map editing field |
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*/ |
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private $mapField = null; |
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/* |
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Add a Location tab containing the map |
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*/ |
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public function updateCMSFields(FieldList $fields) |
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{ |
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// These fields need removed, as they may have already been created by the form scaffolding |
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$fields->removeByName('Lat'); |
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$fields->removeByName('Lon'); |
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$fields->removeByName('ZoomLevel'); |
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$fields->removeByName('MapPinIcon'); |
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$fields->removeByName('MapPinEdited'); |
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$fields->addFieldToTab( |
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'Root.Location', |
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$this->getMapField() |
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); |
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$fields->addFieldToTab('Root.Location', $uf = new UploadField( |
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'MapPinIcon', |
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_t('Mappable.MAP_PIN', 'Map Pin Icon. Leave this blank for default pin to show') |
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)); |
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$uf->setFolderName('mapicons'); |
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} |
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public function getMappableLatitude() |
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{ |
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return $this->owner->Lat; |
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} |
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public function getMappableLongitude() |
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{ |
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return $this->owner->Lon; |
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} |
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/** |
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* Renders the map info window for the DataObject. |
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* |
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* Be sure to define a template for that, named by the decorated class suffixed with _MapInfoWindow |
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* e.g. MyPage_MapInfoWindow |
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* |
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* You can change the suffix globally by editing the MapExtension.map_info_window_suffix config val |
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* |
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* @return string |
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*/ |
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public function getMappableMapContent() |
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{ |
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$defaultTemplate = 'MapInfoWindow'; |
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$classTemplate = |
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SSViewer::get_templates_by_class( |
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$this->owner->ClassName, |
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Config::inst()->get('MapExtension', 'map_info_window_suffix') |
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); |
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$template = count($classTemplate) ? $classTemplate : $defaultTemplate; |
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return MapUtil::sanitize($this->owner->renderWith($template)); |
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} |
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/* |
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If the marker pin is not at position 0,0 mark the pin as edited. This provides the option of |
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filtering out (0,0) point which is often irrelevant for plots |
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*/ |
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public function onBeforeWrite() |
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{ |
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$latzero = ($this->owner->Lat == 0); |
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$lonzero = ($this->owner->Lon == 0); |
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$latlonzero = $latzero && $lonzero; |
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// if both latitude and longitude still default, do not set the map location as edited |
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if (!$latlonzero) { |
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$this->owner->MapPinEdited = true; |
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} |
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} |
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/* |
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If a user has uploaded a map pin icon display that, otherwise |
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*/ |
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public function getMappableMapPin() |
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{ |
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$result = false; |
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if ($this->owner->MapPinIconID != 0) { |
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$mapPin = $this->owner->MapPinIcon(); |
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$result = $mapPin->getAbsoluteURL(); |
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} else { |
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// check for a cached map pin already having been provided for the layer |
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if ($this->owner->CachedMapPinURL) { |
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$result = $this->owner->CachedMapPinURL; |
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} |
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} |
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return $result; |
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} |
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/* |
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Check for non zero coordinates, on the assumption that (0,0) will never be the desired coordinates |
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*/ |
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public function HasGeo() |
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{ |
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$isOrigin = ($this->owner->Lat == 0) && ($this->owner->Lon == 0); |
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$result = !$isOrigin; |
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if ($this->owner->hasExtension('MapLayerExtension')) { |
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if ($this->owner->MapLayers()->count() > 0) { |
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$result = true; |
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} |
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} |
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$this->owner->extend('updateHasGeo', $result); |
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return $result; |
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} |
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/* |
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Render a map at the provided lat,lon, zoom from the editing functions, |
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*/ |
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public function BasicMap() |
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{ |
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$map = $this->owner->getRenderableMap()-> |
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setZoom($this->owner->ZoomLevel)-> |
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setAdditionalCSSClasses('fullWidthMap')-> |
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setShowInlineMapDivStyle(true); |
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$autozoom = false; |
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$this->owner->extend('updateBasicMap', $map, $autozoom); |
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$map->setEnableAutomaticCenterZoom($autozoom); |
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$map->setShowInlineMapDivStyle(true); |
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return $map; |
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} |
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/** |
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* Access the map editing field for the purpose of adding guide points. |
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* |
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* @return [LatLongField] instance of location editing field |
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*/ |
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public function getMapField() |
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{ |
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if (!isset($this->mapField)) { |
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$this->mapField = new LatLongField( |
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array( |
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new TextField('Lat', 'Latitude'), |
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new TextField('Lon', 'Longitude'), |
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new TextField('ZoomLevel', 'Zoom'), |
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) |
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); |
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} |
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return $this->mapField; |
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} |
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1 |
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/** |
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* Template helper, used to decide whether or not to use compressed assets. |
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*/ |
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public function UseCompressedAssets() |
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1 |
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{ |
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return Config::inst()->get('Mappable', 'use_compressed_assets'); |
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} |
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} |
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gordonbanderson /
Mappable
Loading history...
An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name.
If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading.