refine the plate's sliced_result logic

1. when the plate is locked, the sliced result is kept after auto-arrange;
2. when only arrange a plate, other plates' results are not affected

Change-Id: I7566e11e9eec0c2b196a2e78d9dc306ea325e9ff

src/slic3r/GUI/Jobs/ArrangeJob.cpp

@@ -412,7 +412,7 @@ void ArrangeJob::prepare()
 
     //add the virtual object into unselect list if has
     m_plater->get_partplate_list().preprocess_exclude_areas(m_unselected, MAX_NUM_PLATES);
-    
+
 #if SAVE_ARRANGE_POLY
     if (1)
     { // subtract excluded region and get a polygon bed
@@ -625,8 +625,11 @@ void ArrangeJob::finalize() {
     //BBS: partplate
     PartPlateList& plate_list = m_plater->get_partplate_list();
     //clear all the relations before apply the arrangement results
-    plate_list.clear();
-
+    if (only_on_partplate) {
+        plate_list.clear(false, false, true, current_plate_index);
+    }
+    else
+        plate_list.clear(false, false, true, -1);
     //BBS: adjust the bed_index, create new plates, get the max bed_index
     for (ArrangePolygon& ap : m_selected) {
         //if (ap.bed_idx < 0) continue;  // bed_idx<0 means unarrangable
@@ -709,7 +712,12 @@ void ArrangeJob::finalize() {
     m_plater->get_notification_manager()->close_notification_of_type(NotificationType::ArrangeOngoing);
 
     //BBS: reload all objects due to arrange
-    plate_list.rebuild_plates_after_arrangement(!only_on_partplate);
+    if (only_on_partplate) {
+        plate_list.rebuild_plates_after_arrangement(!only_on_partplate, true, current_plate_index);
+    }
+    else {
+        plate_list.rebuild_plates_after_arrangement(!only_on_partplate, true);
+    }
 
     // BBS: update slice context and gcode result.
     m_plater->update_slicing_context_to_current_partplate();

src/slic3r/GUI/PartPlate.cpp

@@ -1162,12 +1162,14 @@ void PartPlate::set_index(int index)
 		m_print->set_plate_index(index);
 }
 
-void PartPlate::clear()
+void PartPlate::clear(bool clear_sliced_result)
 {
 	obj_to_instance_set.clear();
 	instance_outside_set.clear();
-	m_ready_for_slice = true;
-	update_slice_result_valid_state(false);
+	if (clear_sliced_result) {
+		m_ready_for_slice = true;
+		update_slice_result_valid_state(false);
+	}
 
 	return;
 }
@@ -2415,14 +2417,19 @@ void PartPlateList::reset_size(int width, int depth, int height)
 }
 
 //clear all the instances in the plate, but keep the plates
-void PartPlateList::clear(bool delete_plates, bool release_print_list)
+void PartPlateList::clear(bool delete_plates, bool release_print_list, bool except_locked, int plate_index)
 {
 	for (unsigned int i = 0; i < (unsigned int)m_plate_list.size(); ++i)
 	{
 		PartPlate* plate = m_plate_list[i];
 		assert(plate != NULL);
 
-		plate->clear();
+		if (except_locked && plate->is_locked())
+			plate->clear(false);
+		else if ((plate_index != -1) && (plate_index != i))
+			plate->clear(false);
+		else
+			plate->clear();
 		if (delete_plates)
 			delete plate;
 	}
@@ -3202,12 +3209,12 @@ int PartPlateList::add_to_plate(int obj_id, int instance_id, int plate_id)
 }
 
 //reload all objects
-int PartPlateList::reload_all_objects()
+int PartPlateList::reload_all_objects(bool except_locked, int plate_index)
 {
 	int ret = 0;
 	unsigned int i, j, k;
 
-	clear();
+	clear(false, false, except_locked, plate_index);
 
 	BOOST_LOG_TRIVIAL(debug) << __FUNCTION__ << boost::format(": m_model->objects.size() is %1%") % m_model->objects.size();
 	//try to find a new plate
@@ -3945,7 +3952,7 @@ int PartPlateList::rebuild_plates_after_deserialize(std::vector<bool>& previous_
 }
 
 //retruct plates structures after auto-arrangement
-int PartPlateList::rebuild_plates_after_arrangement(bool recycle_plates)
+int PartPlateList::rebuild_plates_after_arrangement(bool recycle_plates, bool except_locked, int plate_index)
 {
 	int ret = 0;
 
@@ -3956,7 +3963,7 @@ int PartPlateList::rebuild_plates_after_arrangement(bool recycle_plates)
 	//for (auto object : m_model->objects)
 	//	std::sort(object->instances.begin(), object->instances.end(), [](auto a, auto b) {return a->arrange_order < b->arrange_order; });
 
-	ret = reload_all_objects();
+	ret = reload_all_objects(except_locked, plate_index);
 
 	if (recycle_plates)
 	{

src/slic3r/GUI/PartPlate.hpp

@@ -198,7 +198,7 @@ public:
     bool operator<(PartPlate&) const;
 
     //clear alll the instances in plate
-    void clear();
+    void clear(bool clear_sliced_result = true);
 
     //static const int plate_x_offset = 20; //mm
     //static const double plate_x_gap = 0.2;
@@ -468,7 +468,7 @@ public:
     //this may be happened after machine changed
     void reset_size(int width, int depth, int height);
     //clear all the instances in the plate, but keep the plates
-    void clear(bool delete_plates = false, bool release_print_list = false);
+    void clear(bool delete_plates = false, bool release_print_list = false, bool except_locked = false, int plate_index = -1);
     //clear all the instances in the plate, and delete the plates, only keep the first default plate
     void reset(bool do_init);
 
@@ -563,7 +563,7 @@ public:
     int add_to_plate(int obj_id, int instance_id, int plate_id);
 
     //reload all objects
-    int reload_all_objects();
+    int reload_all_objects(bool except_locked = false, int plate_index = -1);
 
     //reload objects for newly created plate
     int construct_objects_list_for_new_plate(int plate_index);
@@ -624,7 +624,7 @@ public:
     int rebuild_plates_after_deserialize(std::vector<bool>& previous_sliced_result, std::vector<std::string>& previous_gcode_paths);
 
     //retruct plates structures after auto-arrangement
-    int rebuild_plates_after_arrangement(bool recycle_plates = true);
+    int rebuild_plates_after_arrangement(bool recycle_plates = true, bool except_locked = false, int plate_index = -1);
 
     /* load/store releted functions, with_gcode = true and plate_idx = -1, export all gcode
     * if with_gcode = true and specify plate_idx, export plate_idx gcode only