Support undo/redo module add

gui/builtinViews/fittingView.py

@@ -382,14 +382,12 @@ class FittingView(d.Display):
                         sFit.setAmmo(fitID, itemID, modules)
                         wx.PostEvent(self.mainFrame, GE.FitChanged(fitID=fitID))
                 else:
-                    populate = sFit.appendModule(fitID, itemID)
-                    if populate is not None:
-                        self.slotsChanged()
-                        wx.PostEvent(self.mainFrame, GE.FitChanged(fitID=fitID, action="modadd", typeID=itemID))
+                    self.mainFrame.command.Submit(cmd.FitModuleAddCommand(fitID, itemID))
 
         event.Skip()
 
     def removeItem(self, event):
+        '''Double Left Click - remove module'''
         if event.CmdDown():
             return
         row, _ = self.HitTest(event.Position)

gui/fitCommands/__init__.py

@@ -1 +1,2 @@
-from .moduleStateChange import FitModuleStateChangeCommand
+from .moduleStateChange import FitModuleStateChangeCommand
+from.moduleAdd import FitModuleAddCommand

gui/fitCommands/moduleAdd.py

@@ -0,0 +1,29 @@
+import wx
+from service.fit import Fit
+
+import gui.mainFrame
+from gui import globalEvents as GE
+
+
+class FitModuleAddCommand(wx.Command):
+    def __init__(self, fitID, itemID):
+        # todo: instead of modules, needs to be positions. Dead objects are a thing
+        wx.Command.__init__(self, True, "Module Add")
+        self.mainFrame = gui.mainFrame.MainFrame.getInstance()
+        self.sFit = Fit.getInstance()
+        self.fitID = fitID
+        self.itemID = itemID
+        self.new_position = None
+
+    def Do(self):
+        populate, self.new_position = self.sFit.appendModule(self.fitID, self.itemID)
+        if populate is not None:
+            # self.slotsChanged() # unsure how to handle this right now? Perhaps move this to the event itself?
+            wx.PostEvent(self.mainFrame, GE.FitChanged(fitID=self.fitID, action="modadd", typeID=self.itemID))
+        return True
+
+    def Undo(self):
+        # todo: self.slotsChanged()
+        result = self.sFit.removeModule(self.fitID, [self.new_position])
+        wx.PostEvent(self.mainFrame, GE.FitChanged(fitID=self.fitID, action="moddel", typeID=self.itemID))
+        return True

service/fit.py

@@ -566,7 +566,7 @@ class Fit(object):
             fit.fill()
             eos.db.commit()
 
-            return numSlots != len(fit.modules)
+            return numSlots != len(fit.modules), m.modPosition
         else:
             return None