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<?php |
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/** |
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* @link https://github.com/2amigos/yii2-type-ahead-widget |
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* @copyright Copyright (c) 2013-2015 2amigOS! Consulting Group LLC |
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* @license http://opensource.org/licenses/BSD-3-Clause |
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*/ |
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namespace dosamigos\typeahead; |
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use yii\base\BaseObject; |
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use yii\base\InvalidConfigException; |
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use yii\helpers\Json; |
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use yii\web\JsExpression; |
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/** |
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* Bloodhound is a helper class to configure Bloodhound suggestion engines. |
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* |
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* @author Antonio Ramirez <[email protected]> |
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* @link http://www.ramirezcobos.com/ |
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* @link http://www.2amigos.us/ |
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* @package dosamigos\typeahead |
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*/ |
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class Bloodhound extends BaseObject |
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{ |
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/** |
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* @var string the engine js name |
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*/ |
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public $name; |
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/** |
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* @var array the configuration of Bloodhound suggestion engine. |
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* @see https://github.com/twitter/typeahead.js/blob/master/doc/bloodhound.md#options |
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*/ |
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public $clientOptions = []; |
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/** |
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* @inheritdoc |
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* @throws \yii\base\InvalidConfigException |
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*/ |
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public function init() |
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{ |
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if ($this->name === null) { |
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throw new InvalidConfigException("'name' cannot be null."); |
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} |
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parent::init(); |
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} |
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/** |
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* Returns the engine adapter. To be used to configure [[TypeAhead::dataSets]] `source` option. |
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* @return JsExpression |
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*/ |
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public function getAdapterScript() |
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{ |
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return new JsExpression("{$this->name}.ttAdapter()"); |
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} |
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/** |
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* Returns the javascript initialization code |
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* @return string |
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*/ |
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public function getClientScript() |
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{ |
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$options = $this->clientOptions !== false && !empty($this->clientOptions) |
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? Json::encode($this->clientOptions) |
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: '{}'; |
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return "var {$this->name} = new Bloodhound($options);\n{$this->name}.initialize();"; |
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} |
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} |
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2amigos /
yii2-type-ahead-widget
