move some files around and create a context manager for fit recalclation

gui/fitCommands/guiAddModule.py

@@ -0,0 +1,52 @@
+import wx
+from service.fit import Fit
+
+import gui.mainFrame
+from gui import globalEvents as GE
+from .calc.fitAddModule import FitAddModuleCommand
+from .calc.fitReplaceModule import FitReplaceModuleCommand
+
+class GuiModuleAddCommand(wx.Command):
+    def __init__(self, fitID, itemID, position=None):
+        wx.Command.__init__(self, True, "Module Add")
+        # todo: evaluate mutaplasmid modules
+        self.mainFrame = gui.mainFrame.MainFrame.getInstance()
+        self.sFit = Fit.getInstance()
+        self.fitID = fitID
+        self.itemID = itemID
+        self.internal_history = wx.CommandProcessor()
+        self.new_position = position
+        self.old_mod = None
+
+    def Do(self):
+        success = False
+        # if we have a position set, try to apply the module to that position
+
+        # todo: check to see if item is a charge. if it is, dont try to add module, but instead set amm
+        if self.new_position:
+            success = self.internal_history.Submit(FitReplaceModuleCommand(self.fitID, self.new_position, self.itemID))
+            if not success:
+                # something went wrong with trying to fit the module into specific location, attemp to append it
+                self.new_position = None
+
+        # if we're not trying to set module to a position, simply append
+        if not self.new_position:
+            success = self.internal_history.Submit(FitAddModuleCommand(self.fitID, self.itemID))
+
+        if success:
+            wx.PostEvent(self.mainFrame, GE.FitChanged(fitID=self.fitID, action="modadd", typeID=self.itemID))
+            return True
+        return False
+
+        #
+        # if change is not None:
+        #     print('new position: ',self.new_position )
+        #     # self.slotsChanged() # unsure how to handle this right now? Perhaps move this to the event itself?
+        #     return True
+        # return False
+
+    def Undo(self):
+        for _ in self.internal_history.Commands:
+            self.internal_history.Undo()
+        wx.PostEvent(self.mainFrame, GE.FitChanged(fitID=self.fitID, action="moddel", typeID=self.itemID))
+        return True