Implemented ObjectLayers class

+ some code refactoring

src/slic3r/GUI/GUI_ObjectLayers.cpp

@@ -0,0 +1,150 @@
+#include "GUI_ObjectLayers.hpp"
+#include "GUI_ObjectList.hpp"
+
+#include "OptionsGroup.hpp"
+#include "PresetBundle.hpp"
+#include "libslic3r/Model.hpp"
+
+#include <boost/algorithm/string.hpp>
+
+#include "I18N.hpp"
+
+#include <wx/wupdlock.h>
+
+namespace Slic3r
+{
+namespace GUI
+{    
+
+ObjectLayers::ObjectLayers(wxWindow* parent) :
+    OG_Settings(parent, true)
+{
+    m_og->label_width = 0;
+    m_og->set_grid_vgap(5);  
+    
+    // Legend for object layers
+    Line line = Line{ "", "" };
+
+    ConfigOptionDef def;
+    def.label = "";
+    def.gui_type = "legend";
+    def.type = coString;
+    def.width = field_width;
+
+    for (const std::string axis : { "Min Z", "Max Z", "Layer height" }) {
+        def.set_default_value(new ConfigOptionString{ axis });
+        std::string label = boost::algorithm::replace_all_copy(axis, " ", "_");
+        boost::algorithm::to_lower(label);
+        line.append_option(Option(def, label + "_legend"));
+    }
+
+    m_og->append_line(line);
+
+    m_bmp_delete    = ScalableBitmap(parent, "cross");
+    m_bmp_add       = ScalableBitmap(parent, "add_copies");
+}
+
+void ObjectLayers::update_layers_list()
+{
+    ObjectList* objects_ctrl   = wxGetApp().obj_list();
+    if (objects_ctrl->multiple_selection()) return;
+
+    const auto item = objects_ctrl->GetSelection();
+    if (!item) return;
+
+    const int obj_idx = objects_ctrl->get_selected_obj_idx();
+    if (obj_idx < 0) return;
+
+    const ItemType type = objects_ctrl->GetModel()->GetItemType(item);
+    if (!(type & (itLayerRoot | itLayer))) return;
+
+    ModelObject* object = objects_ctrl->object(obj_idx);
+    if (!object || object->layer_height_ranges.empty()) return;
+
+    auto grid_sizer = m_og->get_grid_sizer();
+
+    const int cols = grid_sizer->GetCols();
+    const int rows = grid_sizer->GetRows();
+    for (int idx = cols*rows-1; idx >= cols; idx--) {
+        grid_sizer->Remove(idx);
+    }
+
+    ConfigOptionDef def;
+    def.label = "";
+    def.gui_type = "";
+    def.type = coFloat;
+    def.width = field_width;
+
+    if (type & itLayerRoot)
+    {
+        auto create_btns = [this](wxWindow* parent) {
+            auto sizer = new wxBoxSizer(wxHORIZONTAL);
+            auto del_btn = new ScalableButton(parent, wxID_ANY, m_bmp_delete);
+            del_btn->SetToolTip(_(L("Remove layer")));
+
+            sizer->Add(del_btn, 0, wxRIGHT, em_unit(parent));
+
+            del_btn->Bind(wxEVT_BUTTON, [this](wxEvent &event) {
+                del_layer();
+//                 wxTheApp->CallAfter([this]() {
+//                     wxWindowUpdateLocker noUpdates(m_parent);
+//                     update_layers_list(); 
+//                     m_parent->Layout();
+//                 });
+            });
+
+            auto add_btn = new ScalableButton(parent, wxID_ANY, m_bmp_add);
+            add_btn->SetToolTip(_(L("Add layer")));
+
+            sizer->Add(add_btn, 0, wxRIGHT, em_unit(parent));
+
+            add_btn->Bind(wxEVT_BUTTON, [this](wxEvent &event) {
+                add_layer();
+//                 wxTheApp->CallAfter([this]() {
+//                     wxWindowUpdateLocker noUpdates(m_parent);
+//                     update_layers_list(); 
+//                     m_parent->Layout();
+//                 });
+            });
+
+            return sizer;
+        };
+
+        Line line{"",""};
+        for (const auto layer : object->layer_height_ranges)
+        {
+            std::string label = (boost::format("min_z_%.2f") % layer.first.first).str();
+            def.set_default_value(new ConfigOptionFloat(layer.first.first));
+            line.append_option(Option(def, label));
+           
+            label = (boost::format("max_z_%.2f") % layer.first.second).str();
+            def.set_default_value(new ConfigOptionFloat(layer.first.second));
+            line.append_option(Option(def, label));
+           
+            label = (boost::format("layer_height_%.2f_%.2f") % layer.first.first % layer.first.second).str();
+            def.set_default_value(new ConfigOptionFloat(layer.second));
+            line.append_option(Option(def, label));
+
+            line.append_widget(create_btns);
+        }
+
+        m_og->append_line(line);
+    }
+}
+
+void ObjectLayers::UpdateAndShow(const bool show)
+{
+    if (show)
+        update_layers_list();
+
+    OG_Settings::UpdateAndShow(show);
+}
+
+void ObjectLayers::msw_rescale()
+{
+    m_bmp_delete.msw_rescale();
+    m_bmp_add.msw_rescale();
+}
+
+} //namespace GUI
+} //namespace Slic3r