From eb42bb7e83891896d685aebe4cab9888a7414048 Mon Sep 17 00:00:00 2001
From: Dave Cooper <dave@moodle.com>
Date: Mon, 4 May 2015 14:38:16 +0800
Subject: [PATCH] MDL-50084 pix: Updated pix to use the templatable interface

---
 lib/outputcomponents.php | 20 +++++++++++++++++++-
 lib/outputrenderers.php  |  9 ++-------
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/lib/outputcomponents.php b/lib/outputcomponents.php
index fe827558d36..4efe670aafd 100644
--- a/lib/outputcomponents.php
+++ b/lib/outputcomponents.php
@@ -503,7 +503,7 @@ class help_icon implements renderable {
  * @package core
  * @category output
  */
-class pix_icon implements renderable {
+class pix_icon implements renderable, templatable {
 
     /**
      * @var string The icon name
@@ -545,6 +545,24 @@ class pix_icon implements renderable {
             unset($this->attributes['title']);
         }
     }
+
+    /**
+     * Export this data so it can be used as the context for a mustache template.
+     *
+     * @param renderer_base $output Used to do a final render of any components that need to be rendered for export.
+     * @return array
+     */
+    public function export_for_template(renderer_base $output) {
+        $attributes = $this->attributes;
+        $attributes['src'] = $output->pix_url($this->pix, $this->component);
+        $templatecontext = array();
+        foreach ($attributes as $name => $value) {
+            $templatecontext[] = array('name' => $name, 'value' => $value);
+        }
+        $data = array('attributes' => $templatecontext);
+
+        return $data;
+    }
 }
 
 /**
diff --git a/lib/outputrenderers.php b/lib/outputrenderers.php
index 1df85acd5db..c185cdcd731 100644
--- a/lib/outputrenderers.php
+++ b/lib/outputrenderers.php
@@ -2170,13 +2170,8 @@ class core_renderer extends renderer_base {
      * @return string HTML fragment
      */
     protected function render_pix_icon(pix_icon $icon) {
-        $attributes = $icon->attributes;
-        $attributes['src'] = $this->pix_url($icon->pix, $icon->component);
-        $templatecontext = array();
-        foreach ($attributes as $name => $value) {
-            $templatecontext[] = array('name' => $name, 'value' => $value);
-        }
-        return $this->render_from_template('core/pix_icon', array('attributes' => $templatecontext));
+        $data = $icon->export_for_template($this);
+        return $this->render_from_template('core/pix_icon', $data);
     }
 
     /**