Merge pull request #209 from friesoft/master

Disable autorefresh for grafana iframe

configuration.php

@@ -24,3 +24,5 @@
        'url' => 'graph'
    ));
 }
+
+$this->provideJsFile('behavior/iframe.js');

public/js/behavior/iframe.js

@@ -0,0 +1,68 @@
+/* Garrett Seward | @spectralsun | GPLv2 */
+
+/**
+ * Icinga.Behavior.Iframe
+ *
+ * Merges content for containers when iframes are present to prevent reloading.
+ */
+(function(Icinga, $) {
+    'use strict';
+
+    function Iframe(icinga) {
+        Icinga.EventListener.call(this, icinga);
+    }
+
+    Iframe.prototype = new Icinga.EventListener();
+
+    /**
+     * Mutates the HTML before it is placed in the DOM after a reload
+     *
+     * @param   content     {string}    The content to be rendered
+     * @param   $container  {jQuery}    The target container
+     * @param   action      {string}    The URL that caused the reload
+     * @param   autorefresh {bool}      Whether the rendering is due to an auto-refresh
+     *
+     * @return  {string|null}           The content to be rendered or null, when nothing should be changed
+     */
+    Iframe.prototype.renderHook = function(content, $container, action, autorefresh) {
+        if (!autorefresh) {
+            return content;
+        } else {
+            var containerId = $container.attr('id');
+            if (containerId === 'menu' || containerId === 'application-state') {
+                return content;
+            }
+        }
+
+        if (!$container.find('iframe').length) {
+                return content;
+        }
+
+        var $children = $container.children();
+        var $contentChildren = $container.find('.content').children();
+        var $content = $('<div>').html(content);
+
+        $content.children().each(function(idx) {
+            var $child = $(this);
+            if (!$child.hasClass('content')) {
+                $($children[idx]).html($child.html());
+            } else {
+                $child.children().each(function(contentIdx) {
+                    var $contentChild = $(this);
+                    // All the iframes we use have this class, overwrite any others
+                    if (!$contentChild.hasClass('module-grafana')) {
+                        $($contentChildren[contentIdx]).html($contentChild.html());
+                    }
+                });
+            }
+        });
+        $container.find('.controls .tabs').after('<div class="tabs-spacer">');
+        return null;
+    };
+
+    Icinga.Behaviors = Icinga.Behaviors || {};
+
+    Icinga.Behaviors.Iframe = Iframe;
+
+}) (Icinga, jQuery);
+