From 90beadb65f0841d2773d2def866adfd542fee6b2 Mon Sep 17 00:00:00 2001
From: YuSanka <yusanka@gmail.com>
Date: Mon, 17 Jun 2019 17:04:19 +0200
Subject: [PATCH] Check a possibility to load SLA project if there is at least
 one multi-part object on the bed

---
 src/slic3r/GUI/Plater.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index bdf249877..557b12377 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -1671,6 +1671,22 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
                     if (load_config && !config_loaded.empty()) {
                         // Based on the printer technology field found in the loaded config, select the base for the config,
 					    PrinterTechnology printer_technology = Preset::printer_technology(config_loaded);
+
+                        // We can't to load SLA project if there is at least one multi-part object on the bed
+                        if (printer_technology == ptSLA)
+                        {
+                            const ModelObjectPtrs& objects = q->model().objects;
+                            for (auto object : objects)
+                                if (object->volumes.size() > 1)
+                                {
+                                    Slic3r::GUI::show_info(nullptr,
+                                        _(L("You can't to load SLA project if there is at least one multi-part object on the bed")) + "\n\n" +
+                                        _(L("Please check your object list before preset changing.")),
+                                        _(L("Attention!")));
+                                    return obj_idxs;
+                                }
+                        }
+
 					    config.apply(printer_technology == ptFFF ?
                             static_cast<const ConfigBase&>(FullPrintConfig::defaults()) : 
                             static_cast<const ConfigBase&>(SLAFullPrintConfig::defaults()));