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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\layers; |
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use dosamigos\leaflet\LeafLet; |
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use yii\base\Component; |
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use dosamigos\leaflet\types\Type; |
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use yii\helpers\Json; |
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/** |
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* Layer is the base class for UI Layers |
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* |
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* @property string $name |
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* |
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* @package dosamigos\leaflet\layers |
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*/ |
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abstract class Layer extends Component |
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{ |
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use NameTrait; |
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/** |
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* @var string the name of the javascript variable that will hold the reference |
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* to the map object. |
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*/ |
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public $map; |
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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 $clientEvents = []; |
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/** |
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* Returns the processed js options |
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* @return array |
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*/ |
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public function getOptions() |
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{ |
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$options = []; |
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foreach ($this->clientOptions as $key => $option) { |
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if ($option instanceof Type) { |
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$option = $option->encode(); |
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} |
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$options[$key] = $option; |
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} |
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return empty($options) ? '{}' : Json::encode($options, LeafLet::JSON_OPTIONS); |
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} |
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/** |
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* @return string the processed js events |
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*/ |
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public function getEvents() |
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{ |
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$js = []; |
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if (!empty($this->clientEvents)) { |
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if (!empty($this->name)) { |
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$name = $this->name; |
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$js[] = "{$name}"; |
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foreach ($this->clientEvents as $event => $handler) { |
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$js[] = ".on('$event', $handler)"; |
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} |
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} else { |
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foreach ($this->clientEvents as $event => $handler) { |
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$js[] = ".on('$event', $handler)"; |
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} |
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} |
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} |
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return !empty($js) ? implode("", $js) . ($this->name !== null ? ";" : "") : ""; |
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} |
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/** |
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* Returns the javascript ready code for the object to render |
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* @return \yii\web\JsExpression |
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*/ |
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abstract public function encode(); |
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} |
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2amigos /
yii2-leaflet-extension
