TipPluginBase.php

<?php

namespace Drupal\tour;

use Drupal\Core\Plugin\PluginBase;

/**
 * Defines a base tour item implementation.
 *
 * @see \Drupal\tour\Annotation\Tip
 * @see \Drupal\tour\TipPluginInterface
 * @see \Drupal\tour\TipPluginManager
 * @see plugin_api
 */
abstract class TipPluginBase extends PluginBase implements TipPluginInterface {
    
    /**
     * The label which is used for render of this tip.
     *
     * @var string
     */
    protected $label;
    
    /**
     * Allows tips to take more priority that others.
     *
     * @var string
     */
    protected $weight;
    
    /**
     * The attributes that will be applied to the markup of this tip.
     *
     * @var array
     */
    protected $attributes;
    
    /**
     * {@inheritdoc}
     */
    public function id() {
        return $this->get('id');
    }
    
    /**
     * {@inheritdoc}
     */
    public function getLabel() {
        return $this->get('label');
    }
    
    /**
     * {@inheritdoc}
     */
    public function getWeight() {
        return $this->get('weight');
    }
    
    /**
     * {@inheritdoc}
     */
    public function getAttributes() {
        return $this->get('attributes') ?: [];
    }
    
    /**
     * {@inheritdoc}
     */
    public function get($key) {
        if (!empty($this->configuration[$key])) {
            return $this->configuration[$key];
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function set($key, $value) {
        $this->configuration[$key] = $value;
    }

}