From a6a781f67c22e1fc794e7942196463e817338abc Mon Sep 17 00:00:00 2001
From: cinhcet <cinhcet@users.noreply.github.com>
Date: Tue, 19 May 2020 13:51:08 +0200
Subject: [PATCH] fix debug undo/redo by introducing a sideEffectCallback in
 history object

---
 .../@node-red/editor-client/src/js/history.js |  5 ++
 .../@node-red/nodes/core/common/21-debug.html | 75 +++++++++++--------
 2 files changed, 49 insertions(+), 31 deletions(-)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/history.js b/packages/node_modules/@node-red/editor-client/src/js/history.js
index 51d0e00a0..b7d6d00f9 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/history.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/history.js
@@ -452,6 +452,11 @@ RED.history = (function() {
                 }
             }
 
+            if(ev.sideEffectCallback && typeof ev.sideEffectCallback === 'function') {
+                inverseEv.sideEffectCallback = ev.sideEffectCallback;
+                ev.sideEffectCallback(ev);
+            }
+
             Object.keys(modifiedTabs).forEach(function(id) {
                 var subflow = RED.nodes.subflow(id);
                 if (subflow) {
diff --git a/packages/node_modules/@node-red/nodes/core/common/21-debug.html b/packages/node_modules/@node-red/nodes/core/common/21-debug.html
index e2855c1bd..c79e08672 100644
--- a/packages/node_modules/@node-red/nodes/core/common/21-debug.html
+++ b/packages/node_modules/@node-red/nodes/core/common/21-debug.html
@@ -36,6 +36,25 @@
 <script type="text/javascript">
 (function() {
     var subWindow = null;
+
+    function activateAjaxCall(node, active, successCallback) {
+        $.ajax({
+            url: "debug/"+node.id+"/"+(active?"enable":"disable"),
+            type: "POST",
+            success: successCallback,
+            error: function(jqXHR,textStatus,errorThrown) {
+                if (jqXHR.status == 404) {
+                    RED.notify(node._("common.notification.error", {message: node._("common.notification.errors.not-deployed")}),"error");
+                } else if (jqXHR.status === 0) {
+                    RED.notify(node._("common.notification.error", {message: node._("common.notification.errors.no-response")}),"error");
+                } else {
+                    // TODO where is the err.status comming from?
+                    RED.notify(node._("common.notification.error",{message:node._("common.notification.errors.unexpected",{status:err.status,message:err.response})}),"error");
+                }
+            }
+        });
+    }
+
     RED.nodes.registerType('debug',{
         category: 'common',
         defaults: {
@@ -73,38 +92,28 @@
             onclick: function() {
                 var label = this.name||"debug";
                 var node = this;
-                $.ajax({
-                    url: "debug/"+this.id+"/"+(this.active?"enable":"disable"),
-                    type: "POST",
-                    success: function(resp, textStatus, xhr) {
-                        var historyEvent = {
-                            t:'edit',
-                            node:node,
-                            changes:{
-                                active:!node.active
-                            },
-                            dirty:node.dirty,
-                            changed:node.changed
-                        };
-                        node.changed = true;
-                        node.dirty = true;
-                        RED.nodes.dirty(true);
-                        RED.history.push(historyEvent);
-                        RED.view.redraw();
-                        if (xhr.status == 200) {
-                            RED.notify(node._("debug.notification.activated",{label:label}),"success");
-                        } else if (xhr.status == 201) {
-                            RED.notify(node._("debug.notification.deactivated",{label:label}),"success");
-                        }
-                    },
-                    error: function(jqXHR,textStatus,errorThrown) {
-                        if (jqXHR.status == 404) {
-                            RED.notify(node._("common.notification.error", {message: node._("common.notification.errors.not-deployed")}),"error");
-                        } else if (jqXHR.status === 0) {
-                            RED.notify(node._("common.notification.error", {message: node._("common.notification.errors.no-response")}),"error");
-                        } else {
-                            RED.notify(node._("common.notification.error",{message:node._("common.notification.errors.unexpected",{status:err.status,message:err.response})}),"error");
+                activateAjaxCall(node, node.active, function(resp, textStatus, xhr) {
+                    var historyEvent = {
+                        t:'edit',
+                        node:node,
+                        changes:{
+                            active:!node.active
+                        },
+                        dirty:node.dirty,
+                        changed:node.changed,
+                        sideEffectCallback: function(ev) {
+                            activateAjaxCall(ev.node, ev.node.active);
                         }
+                    };
+                    node.changed = true;
+                    node.dirty = true;
+                    RED.nodes.dirty(true);
+                    RED.history.push(historyEvent);
+                    RED.view.redraw();
+                    if (xhr.status == 200) {
+                        RED.notify(node._("debug.notification.activated",{label:label}),"success");
+                    } else if (xhr.status == 201) {
+                        RED.notify(node._("debug.notification.deactivated",{label:label}),"success");
                     }
                 });
             }
@@ -281,11 +290,15 @@
                                 changed: n.changed,
                                 changes: {
                                     active: n.active
+                                },
+                                sideEffectCallback: function() {
+                                    activateAjaxCall(n, n.active);
                                 }
                             });
                             n.active = false;
                             n.changed = true;
                             n.dirty = true;
+                            activateAjaxCall(n, n.active);
                         }
                     }
                 });