From 121a0f0f5ecc37f556acfbf861ba153a8a4652a7 Mon Sep 17 00:00:00 2001
From: Brad Davis <bdavis@saintandreas.org>
Date: Sat, 23 Jul 2016 11:41:58 -0700
Subject: [PATCH] Allow atomic editing of multiple overlays from scripts

---
 interface/src/ui/overlays/Overlays.cpp | 23 +++++++++++++++++++++++
 interface/src/ui/overlays/Overlays.h   |  4 ++++
 2 files changed, 27 insertions(+)

diff --git a/interface/src/ui/overlays/Overlays.cpp b/interface/src/ui/overlays/Overlays.cpp
index e99ca3a9e0..0b4bcc8652 100644
--- a/interface/src/ui/overlays/Overlays.cpp
+++ b/interface/src/ui/overlays/Overlays.cpp
@@ -234,6 +234,29 @@ bool Overlays::editOverlay(unsigned int id, const QVariant& properties) {
     return false;
 }
 
+bool Overlays::editOverlays(const QVariant& propertiesById) {
+    QVariantMap map = propertiesById.toMap();
+    bool success = true;
+    QWriteLocker lock(&_lock);
+    for (const auto& key : map.keys()) {
+        bool convertSuccess;
+        unsigned int id = key.toUInt(&convertSuccess);
+        if (!convertSuccess) {
+            success = false;
+            continue;
+        }
+
+        Overlay::Pointer thisOverlay = getOverlay(id);
+        if (!thisOverlay) {
+            success = false;
+            continue;
+        }
+        QVariant properties = map[key];
+        thisOverlay->setProperties(properties.toMap());
+    }
+    return success;
+}
+
 void Overlays::deleteOverlay(unsigned int id) {
     Overlay::Pointer overlayToDelete;
 
diff --git a/interface/src/ui/overlays/Overlays.h b/interface/src/ui/overlays/Overlays.h
index f47f8de153..99f74fa0f9 100644
--- a/interface/src/ui/overlays/Overlays.h
+++ b/interface/src/ui/overlays/Overlays.h
@@ -89,6 +89,10 @@ public slots:
     /// successful edit, if the input id is for an unknown overlay this function will have no effect
     bool editOverlay(unsigned int id, const QVariant& properties);
 
+    /// edits an overlay updating only the included properties, will return the identified OverlayID in case of
+    /// successful edit, if the input id is for an unknown overlay this function will have no effect
+    bool editOverlays(const QVariant& propertiesById);
+
     /// deletes a particle
     void deleteOverlay(unsigned int id);