Dev: Add new JSON output type to AjaxHelper: HTML

application/helpers/admin/ajax_helper.php

@@ -81,6 +81,15 @@ public static function outputNotLoggedIn()
         self::echoString($output);
     }
 
+    /**
+     * @return void
+     */
+    public static function outputHtml($html, $target)
+    {
+        $output = new JsonOutputHtml($html, $target);
+        self::echoString($output);
+    }
+
     /**
      * Echo $str with json header
      * @param string str
@@ -157,12 +166,13 @@ public function __construct($result)
     public function __toString()
     {
         return json_encode(array(
-            'ajaxHelper' => true,  // To help JS parse in some cases.
-            'success' => $this->success,
-            'result' => $this->result,
-            'error' => $this->error,
-            'loggedIn' => $this->loggedIn,
-            'hasPermission' => $this->hasPermission,
+            'ajaxHelper'       => true,  // To help JS parse in some cases.
+            'success'          => $this->success,
+            'result'           => $this->result,
+            'error'            => $this->error,
+            'type'             => $this->type,
+            'loggedIn'         => $this->loggedIn,
+            'hasPermission'    => $this->hasPermission,
             'noPermissionText' => gT('No permission')
         ));
     }
@@ -292,3 +302,46 @@ public function __construct()
         $this->loggedIn = false;
     }
 }
+
+/**
+ * Echo HTML and put it in a <div> with id $target.
+ */
+class JsonOutputHtml extends JsonOutput
+{
+
+    /**
+     * Content.
+     * @var string
+     */
+    public $html;
+
+    /**
+     * ID of element to put HTML in.
+     * @var string
+     */
+    public $target;
+
+    /**
+     * @param string $html
+     * @param string $target ID of element to put HTML in.
+     */
+    public function __construct($html, $target)
+    {
+        $this->html    = $html;
+        $this->target  = $target;
+    }
+
+    public function __toString()
+    {
+        return json_encode(
+            array(
+                'loggedIn'      => true,
+                'hasPermission' => true,
+                'success'       => true,
+                'html'          => $this->html,
+                'outputType'    => 'jsonoutputhtml',
+                'target'        => $this->target
+            )
+        );
+    }
+}

scripts/admin/admin_core.js

@@ -969,6 +969,10 @@ LS.ajaxHelperOnSuccess = function(response) {
     else if (response.error) {
         notifyFader(response.error.message, 'well-lg bg-danger text-center');
     }
+    // Put HTML into element.
+    else if (response.outputType == 'jsonoutputhtml') {
+        $('#' + response.target).html(response.html);
+    }
     // Success popup
     else if (response.success) {
         notifyFader(response.success, 'well-lg bg-primary text-center');