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<?php |
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/** |
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* @copyright Copyright (c) 2013-2015 2amigOS! Consulting Group LLC |
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* @link http://2amigos.us |
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* @license http://www.opensource.org/licenses/bsd-license.php New BSD License |
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*/ |
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namespace dosamigos\leaflet; |
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use dosamigos\leaflet\controls\Control; |
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use dosamigos\leaflet\layers\Layer; |
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use dosamigos\leaflet\layers\LayerGroup; |
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use dosamigos\leaflet\layers\TileLayer; |
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use dosamigos\leaflet\layers\Polygon; |
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use dosamigos\leaflet\types\LatLng; |
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use dosamigos\leaflet\widgets\Map; |
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use yii\base\Component; |
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use yii\base\InvalidConfigException; |
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use yii\base\InvalidParamException; |
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use yii\helpers\ArrayHelper; |
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/** |
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* Class LeafLet |
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* @package dosamigos\leaflet |
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*/ |
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/** |
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* @property LatLng $center |
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* |
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*/ |
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class LeafLet extends Component |
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{ |
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// JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_NUMERIC_CHECK |
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const JSON_OPTIONS = 352; |
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/** |
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* @var integer a counter used to generate [[name]] for layers. |
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* @internal |
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*/ |
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public static $counter = 0; |
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/** |
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* @var string the prefix to the automatically generated object names. |
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* @see [[generateName()]] |
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*/ |
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public static $autoNamePrefix = 'l'; |
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/** |
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* @var string the name to give to the variable. The name of the map specified on the |
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* [[TileLayer]] component overrides this one. |
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*/ |
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public $name = 'map'; |
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/** |
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* @var int the zoom level of the map |
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*/ |
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public $zoom = 13; |
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/** |
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* @var array the options for the underlying LeafLetJs JS component. |
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* Please refer to the LeafLetJs api reference for possible |
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* [options](http://leafletjs.com/reference.html). |
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*/ |
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public $clientOptions = []; |
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/** |
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* @var array the event handlers for the underlying LeafletJs JS plugin. |
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* Please refer to the LeafLetJs js api object options for possible events. |
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*/ |
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public $clientEvents = []; |
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/** |
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* @var Layer[] holding ui layers (do not confuse with map layers, these are markers, popups, polygons, etc) |
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*/ |
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private $_layers = []; |
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/** |
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* @var LayerGroup[] holding layer groups |
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*/ |
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private $_layerGroups = []; |
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/** |
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* @var LatLng sets the center of the map |
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*/ |
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private $_center; |
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/** |
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* Returns the center of the map. |
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* @return LatLng center of the map. |
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*/ |
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public function getCenter() |
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{ |
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return $this->_center; |
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} |
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/** |
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* Sets the center of the map. |
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* |
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* @param LatLng $value center of the map. |
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*/ |
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public function setCenter(LatLng $value) |
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{ |
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$this->_center = $value; |
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} |
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/** |
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* @var Control[] holding controls to be added to the map. |
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*/ |
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private $_controls = []; |
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/** |
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* @param \dosamigos\leaflet\controls\Control[] $controls |
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* |
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* @throws \yii\base\InvalidParamException |
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*/ |
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public function setControls(array $controls) |
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{ |
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foreach ($controls as $control) { |
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if (!($control instanceof Control)) { |
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throw new InvalidParamException("All controls must be of type Control."); |
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} |
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} |
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$this->_controls = $controls; |
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} |
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/** |
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* @return \dosamigos\leaflet\controls\Control[] |
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*/ |
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public function getControls() |
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{ |
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return $this->_controls; |
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} |
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/** |
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* @param Control $control |
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*/ |
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public function addControl(Control $control) |
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{ |
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$this->_controls[] = $control; |
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} |
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/** |
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* @var \dosamigos\leaflet\layers\TileLayer |
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*/ |
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private $_tileLayer; |
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/** |
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* @param \dosamigos\leaflet\layers\TileLayer $tileLayer |
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* |
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* @return static the component itself |
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*/ |
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public function setTileLayer(TileLayer $tileLayer) |
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{ |
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if (!empty($tileLayer->map) && strcmp($tileLayer->map, $this->name) !== 0) { |
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$this->name = $tileLayer->map; |
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} |
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if (empty($tileLayer->map)) { |
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$tileLayer->map = $this->name; |
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} |
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$this->_tileLayer = $tileLayer; |
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return $this; |
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} |
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/** |
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* @return \dosamigos\leaflet\layers\TileLayer |
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*/ |
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public function getTileLayer() |
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{ |
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return $this->_tileLayer; |
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} |
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/** |
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* @var array holds the js script lines to be registered. |
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*/ |
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private $_js = []; |
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/** |
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* @param string|array $js custom javascript code to be registered. |
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* *Warning*: This method overrides any previous settings. |
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* |
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* @return static the component itself |
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*/ |
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public function setJs($js) |
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{ |
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$this->_js = is_array($js) ? $js : [$js]; |
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return $this; |
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} |
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/** |
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* @param string $js appends javascript code to be registered. |
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* |
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* @return static the component itself |
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*/ |
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public function appendJs($js) |
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{ |
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$this->_js[] = $js; |
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return $this; |
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} |
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/** |
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* @return array the queued javascript code to be registered. |
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* *Warning*: This method does not include map initialization. |
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*/ |
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public function getJs() |
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{ |
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$js = []; |
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foreach ($this->getLayers() as $layer) { |
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if ($layer instanceof Polygon) { |
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$layerJs = $layer->encode(); |
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$insertAtTheBottom = $layer->insertAtTheBottom ? 'true' : 'false'; |
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$js[] = "$this->name.addLayer($layerJs, $insertAtTheBottom);"; |
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continue; |
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} |
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$layer->map = $this->name; |
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$js[] = $layer->encode(); |
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} |
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$groups = $this->getEncodedLayerGroups($this->getLayerGroups()); |
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$controls = $this->getEncodedControls($this->getControls()); |
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$plugins = $this->getEncodedPlugins($this->getPlugins()->getInstalledPlugins()); |
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$js = ArrayHelper::merge($js, $groups); |
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$js = ArrayHelper::merge($js, $controls); |
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$js = ArrayHelper::merge($js, $plugins); |
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$js = ArrayHelper::merge($js, $this->_js); |
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return $js; |
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} |
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/** |
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* @var PluginManager |
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*/ |
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private $_plugins; |
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/** |
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* @return PluginManager |
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*/ |
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public function getPlugins() |
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{ |
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return $this->_plugins; |
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} |
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/** |
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* Installs a plugin |
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* |
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* @param Plugin $plugin |
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*/ |
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public function installPlugin(Plugin $plugin) |
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{ |
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$plugin->map = $this->name; |
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$this->getPlugins()->install($plugin); |
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} |
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/** |
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* Removes an installed plugin |
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* |
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* @param $plugin |
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* |
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* @return mixed|null |
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*/ |
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public function removePlugin($plugin) |
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{ |
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return $this->getPlugins()->remove($plugin); |
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} |
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/** |
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* Initializes the widget. |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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if (empty($this->center) || empty($this->zoom)) { |
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throw new InvalidConfigException("'center' and/or 'zoom' attributes cannot be empty."); |
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} |
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$this->_plugins = new PluginManager(); |
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$this->clientOptions['center'] = $this->center->toArray(true); |
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$this->clientOptions['zoom'] = $this->zoom; |
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} |
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/** |
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* Helper method to render the widget. It is also possible to use the widget directly: |
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* ``` |
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* echo Map::widget(['leafLet' => $leafLetObject, ...]); |
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* ``` |
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* |
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* @param array $config |
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* |
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* @return string |
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*/ |
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public function widget($config = []) |
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{ |
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ob_start(); |
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ob_implicit_flush(false); |
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$config['leafLet'] = $this; |
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$widget = new Map($config); |
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$out = $widget->run(); |
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return ob_get_clean() . $out; |
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} |
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/** |
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* @param Layer $layer the layer script to add to the js script code. It could be any object extending from [[Layer]] |
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* component (markers, polylines, popup, etc) |
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* |
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* @return static the component itself |
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*/ |
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18 |
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public function addLayer(Layer $layer) |
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{ |
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$this->_layers[] = $layer; |
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return $this; |
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} |
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/** |
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* @return Layer[] the stored layers |
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*/ |
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18 |
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public function getLayers() |
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{ |
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18 |
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return $this->_layers; |
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} |
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/** |
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* @param LayerGroup $group sets a layer group |
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* |
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* @return static the component itself |
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*/ |
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6 |
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public function addLayerGroup(LayerGroup $group) |
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{ |
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6 |
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$this->_layerGroups[] = $group; |
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return $this; |
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} |
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320
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321
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/** |
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322
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* @return layers\LayerGroup[] all stored layer groups |
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323
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*/ |
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324
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21 |
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public function getLayerGroups() |
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325
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{ |
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21 |
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return $this->_layerGroups; |
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327
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} |
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328
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329
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/** |
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330
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* Clears all stored layer groups |
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331
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* @return static the component itself |
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332
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*/ |
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333
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3 |
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public function clearLayerGroups() |
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334
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{ |
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335
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3 |
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$this->_layerGroups = []; |
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336
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3 |
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return $this; |
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337
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} |
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338
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339
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/** |
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340
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* @param Control[] $controls |
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341
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* |
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342
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* @return array |
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343
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*/ |
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344
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18 |
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public function getEncodedControls($controls) |
|
345
|
|
|
{ |
|
346
|
18 |
|
return $this->getEncodedObjects($controls); |
|
347
|
|
|
} |
|
348
|
|
|
|
|
349
|
|
|
/** |
|
350
|
|
|
* @param LayerGroup[] $groups |
|
351
|
|
|
* |
|
352
|
|
|
* @return array |
|
353
|
|
|
*/ |
|
354
|
18 |
|
public function getEncodedLayerGroups($groups) |
|
355
|
|
|
{ |
|
356
|
18 |
|
return $this->getEncodedObjects($groups); |
|
357
|
|
|
} |
|
358
|
|
|
|
|
359
|
|
|
/** |
|
360
|
|
|
* @param Plugin[] $plugins |
|
361
|
|
|
* |
|
362
|
|
|
* @return array |
|
363
|
|
|
*/ |
|
364
|
18 |
|
public function getEncodedPlugins($plugins) |
|
365
|
|
|
{ |
|
366
|
18 |
|
return $this->getEncodedObjects($plugins); |
|
367
|
|
|
} |
|
368
|
|
|
|
|
369
|
|
|
/** |
|
370
|
|
|
* @return string |
|
371
|
|
|
*/ |
|
372
|
45 |
|
public static function generateName() |
|
373
|
|
|
{ |
|
374
|
45 |
|
return self::$autoNamePrefix . self::$counter++; |
|
375
|
|
|
} |
|
376
|
|
|
|
|
377
|
|
|
/** |
|
378
|
|
|
* @param $objects |
|
379
|
|
|
* |
|
380
|
|
|
* @return array |
|
381
|
|
|
*/ |
|
382
|
18 |
|
protected function getEncodedObjects($objects) |
|
383
|
|
|
{ |
|
384
|
18 |
|
$js = []; |
|
385
|
18 |
|
foreach ((array)$objects as $object) { |
|
386
|
15 |
|
if (property_exists($object, 'map')) { |
|
387
|
15 |
|
$object->map = $this->name; |
|
388
|
15 |
|
} |
|
389
|
15 |
|
$js[] = method_exists($object, 'encode') ? $object->encode() : null; |
|
390
|
18 |
|
} |
|
391
|
18 |
|
return array_filter($js); |
|
392
|
|
|
} |
|
393
|
|
|
} |
|
394
|
|
|
|