first commit

2020-06-11 16:42:43 +02:00
commit 449ca1d987
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+<?php
+
+namespace Grav\Plugin\Vimeo\Twig;
+
+use Grav\Common\GravTrait;
+
+/**
+ * Class VimeoTwigExtension
+ * @package Grav\Plugin\Vimeo\Twig
+ */
+class VimeoTwigExtension extends \Twig_Extension
+{
+
+    use GravTrait;
+
+    const VIMEO_PLAYER_URL = '//player.vimeo.com/video/';
+
+    /**
+     * Filters player parameters to only those not matching Vimeo defaults
+     * @param array $params Player parameters
+     * @return array
+     */
+    private function filterParameters($params=[])
+    {
+        $filtered = [];
+        $grav = static::getGrav();
+        $blueprints = $grav['config']->blueprints();
+        foreach ($params as $key => $value) {
+
+            // Skip if string value is empty
+            if (is_string($value)){
+                $value = trim($value);
+                if (empty($value)) continue;
+            }
+
+            // Skip if there is an default value and it's different to the looping parameter value
+            $blueprint_param = $blueprints->get("plugins.vimeo.player_parameters.{$key}");
+            if (isset($blueprint_param['default']) && ($blueprint_param['default'] == $value)) {
+              continue;
+            }
+
+            if ($key == 'color') $value = str_replace('#', '', $value); // Remove # from hexadecimal color value
+
+            $filtered[$key] = $value;
+        }
+
+        return $filtered;
+    }
+
+    /**
+     * Returns an array of available twig functions
+     * @return array
+     */
+    public function getFunctions()
+    {
+        return [
+          new \Twig_SimpleFunction('vimeo_embed_url', [$this, 'embedUrl']),
+          new \Twig_SimpleFunction('vimeo_embed_video', [$this, 'embedVideo']),
+        ];
+    }
+
+    /**
+     * Builds the Vimeo embed url
+     * @param string $video_id Vimeo Video ID
+     * @param array $params Player parameters
+     * @return string
+     */
+    public function embedUrl($video_id, $params = [])
+    {
+        $url = static::VIMEO_PLAYER_URL.$video_id;
+        $params = $this->filterParameters($params);
+        if ((!empty($params)) && ($query = http_build_query($params))) $url.= "?{$query}";
+
+        return $url;
+    }
+
+    /**
+     * Builds the Vimeo embed iframe
+     * @param string $video_id Vimeo Video ID
+     * @param array $params Player parameters
+     * @param bool $div Surrounds the iframe code with a div element
+     * @return string
+     */
+    public function embedVideo($video_id, $params = [], $div=true)
+    {
+        $url = $this->embedUrl($video_id, $params);
+        $code = "<iframe src=\"{$url}\" frameborder=\"0\" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>";
+        if ($div) $code = "<div class=\"grav-vimeo\">{$code}</div>";
+
+        return $code;
+    }
+}