muzich/src/Muzich/CoreBundle/Twig/Extensions/MuzichTwigSocialBar.php

<?php

namespace Muzich\CoreBundle\Twig\Extensions;

class MuzichTwigSocialBar extends \Twig_Extension{

    protected $container;
    protected $translator;

    /**
     * Constructor.
     *
     * @param ContainerInterface $container
     */
    public function __construct($container, $translator)
    {
        $this->container = $container;
        $this->translator = $translator;
    }
    
    public function getName()
    {
        return 'muzich_social_bar';
    }
    
    public function getFunctions()
    {
      return array(
        'socialButtons' => new \Twig_Function_Method($this, 'getSocialButtons' ,array('is_safe' => array('html'))),
        'facebookButton' => new \Twig_Function_Method($this, 'getFacebookLikeButton' ,array('is_safe' => array('html'))),
        'twitterButton' => new \Twig_Function_Method($this, 'getTwitterButton' ,array('is_safe' => array('html'))),
        'googlePlusButton' => new \Twig_Function_Method($this, 'getGooglePlusButton' ,array('is_safe' => array('html'))),
      );
    }

    public function getSocialButtons($parameters = array())
    {
      // no parameters were defined, keeps default values
      if (!array_key_exists('facebook', $parameters)){
        $render_parameters['facebook'] = array();
      // parameters are defined, overrides default values
      }else if(is_array($parameters['facebook'])){
        $render_parameters['facebook'] = $parameters['facebook'];
      // the button is not displayed 
      }else{
        $render_parameters['facebook'] = false;
      }

      if (!array_key_exists('twitter', $parameters)){
        $render_parameters['twitter'] = array();
      }else if(is_array($parameters['twitter'])){
        $render_parameters['twitter'] = $parameters['twitter'];
      }else{
        $render_parameters['twitter'] = false;
      }

      if (!array_key_exists('googleplus', $parameters)){
        $render_parameters['googleplus'] = array();
      }else if(is_array($parameters['googleplus'])){
        $render_parameters['googleplus'] = $parameters['googleplus'];
      }else{
        $render_parameters['googleplus'] = false;
      }

      // get the helper service and display the template
      return $this->container->get('muzich.socialBarHelper')->socialButtons($render_parameters);
    }
 
    // https://developers.facebook.com/docs/reference/plugins/like/ 
    public function getFacebookLikeButton($parameters = array())
    {
       // default values, you can override the values by setting them
       $parameters = $parameters + array(
            'url' => null,
            'locale' => 'fr_FR',
            'send' => false,
            'width' => 300,
            'showFaces' => false,
            'layout' => 'button_count'
        );

       return $this->container->get('muzich.socialBarHelper')->facebookButton($parameters);
    }

    public function getTwitterButton($parameters = array())
    {
       $parameters = $parameters + array(
            'url' => null,
            'locale' => 'fr',
            'message' => $this->translator->trans('element.share.twitter.text', array(), 'userui'),
            'text' => 'Tweet',
            'via' => 'Muzich_Official',
            'tag' => 'music'
        );


       return $this->container->get('muzich.socialBarHelper')->twitterButton($parameters);
    }

    public function getGooglePlusButton($parameters = array())
    {
       $parameters = $parameters + array(
            'url' => null,
            'locale' => 'en',
            'size' => 'medium',
            'annotation' => 'bubble',
            'width' => '300'
        );

       return $this->container->get('muzich.socialBarHelper')->googlePlusButton($parameters);
    }
}