From 4ef0a0a769cd5273696f2b9309d1076a107f4bc3 Mon Sep 17 00:00:00 2001
From: Jon Gilkison <jon.gilkison@gmail.com>
Date: Wed, 30 Oct 2019 22:55:57 +0700
Subject: [PATCH] If $sizes have an imgix parameter defined, use them.  Add a
 source() method to attachment to return a <source> element.

---
 Classes/Core/UI.php           |  8 +++++
 Classes/Models/Attachment.php | 64 +++++++++++++++++++++++++----------
 stem.php                      |  4 +--
 3 files changed, 57 insertions(+), 19 deletions(-)

diff --git a/Classes/Core/UI.php b/Classes/Core/UI.php
index e7be964..3f1abc6 100644
--- a/Classes/Core/UI.php
+++ b/Classes/Core/UI.php
@@ -496,6 +496,14 @@ private function loadImageSizes()
 
                     return $sizes;
                 });
+
+	            add_filter('media-cloud/dynamic-images/filter-parameters', function($parameters, $imageSize, $attachmentId, $attachmentMeta) use ($sizesConfig) {
+	                if (isset($sizesConfig['sizes'][$imageSize]) && isset($sizesConfig['sizes'][$imageSize]['imgix'])) {
+                        return array_merge($sizesConfig['sizes'][$imageSize]['imgix'], $parameters);
+                    }
+
+		            return $parameters;
+	            }, 1000, 4);
             }
         }
 
diff --git a/Classes/Models/Attachment.php b/Classes/Models/Attachment.php
index 5703055..7f2ccb9 100644
--- a/Classes/Models/Attachment.php
+++ b/Classes/Models/Attachment.php
@@ -399,25 +399,55 @@ public function ampImg($size = 'thumbnail', $responsive = true, $attr = null) {
         return $img;
     }
 
-    /**
-     * Returns the url for an image using the requested size template.
-     *
-     * @param string $size The size template to use.
-     *
-     * @return string|null
-     */
-    public function src($size = 'original') {
-        if (empty($this->id)) {
-            return null;
-        }
+	/**
+	 * Returns the url for an image using the requested size template.
+	 *
+	 * @param string $size The size template to use.
+	 *
+	 * @return string|null
+	 */
+	public function src($size = 'original') {
+		if (empty($this->id)) {
+			return null;
+		}
 
-        $result = wp_get_attachment_image_src($this->id, $size);
-        if ($result && is_array($result) && (count($result) > 0)) {
-            return $result[0];
-        }
+		$result = wp_get_attachment_image_src($this->id, $size);
+		if ($result && is_array($result) && (count($result) > 0)) {
+			return $result[0];
+		}
 
-        return null;
-    }
+		return null;
+	}
+
+	/**
+	 * Returns a <source> tag
+	 *
+	 * @param string $size The size template to use.
+	 * @param array $mediaQuery The media query to match this source
+	 *
+	 * @return string|null
+	 */
+	public function source($size = 'original', $mediaQuery = []) {
+		if (empty($this->id)) {
+			return null;
+		}
+
+		$result = wp_get_attachment_image_src($this->id, $size);
+		if ($result && is_array($result) && (count($result) > 0)) {
+			$src = $result[0];
+
+			$queryEle = [];
+			foreach($mediaQuery as $query => $querySize) {
+				$queryEle[] = "$query:  $querySize";
+			}
+
+			$query = implode(' and ', $queryEle);
+
+			return "<source srcset='{$src}' media='({$query})'>";
+		}
+
+		return null;
+	}
 
     //endregion
 
diff --git a/stem.php b/stem.php
index f4a4a41..f5f80b4 100644
--- a/stem.php
+++ b/stem.php
@@ -4,14 +4,14 @@
 Plugin URI: https://github.com/jawngee/stem
 Description: Framework for building applications using Wordpress and Symfony
 Author: Jon Gilkison
-Version: 0.7.8
+Version: 0.7.9
 Author URI: http://interfacelab.com
 */
 
 define('ILAB_STEM', __FILE__);
 define('ILAB_STEM_DIR', dirname(__FILE__));
 define('ILAB_STEM_VIEW_DIR', ILAB_STEM_DIR.'/views');
-define('ILAB_STEM_VERSION', '0.7.7');
+define('ILAB_STEM_VERSION', '0.7.9');
 
 if (file_exists(ILAB_STEM_DIR.'/vendor/autoload.php')) {
     require_once ILAB_STEM_DIR.'/vendor/autoload.php';