Implemented ability to split drone stacks by ship's available bandwidth

gui/builtinContextMenus/droneSplitStack.py

@@ -37,14 +37,51 @@ def activate(self, callingWindow, fullContext, mainItem, i):
                 fitID = self.mainFrame.getActiveFit()
                 fit = Fit.getInstance().getFit(fitID)
                 cleanInput = re.sub(r'[^0-9.]', '', dlg.input.GetLineText(0).strip())
-
                 if mainItem in fit.drones:
                     position = fit.drones.index(mainItem)
                     self.mainFrame.command.Submit(cmd.GuiSplitLocalDroneStackCommand(
                         fitID=fitID, position=position, amount=int(cleanInput)))
 
 
+class DroneSplitStackBandwidth(DroneSplitStack):
+    """
+    Split drone stack to match ship's available bandwidth, ensuring that only
+    one of the stacks is active so as not to exceed the bandwidth limit.
+    """
+    def getText(self, callingWindow, itmContext, mainItem):
+        return "Split {} Stack to Fit Max Bandwidth".format(itmContext)
+
+    def activate(self, callingWindow, fullContext, mainItem, i):
+        fitID = self.mainFrame.getActiveFit()
+        fit = Fit.getInstance().getFit(fitID)
+        if mainItem in fit.drones:
+            bandwidth_per_drone = mainItem.item.\
+                                  attributes['droneBandwidthUsed'].value
+            ship_bandwidth = fit.ship.item.attributes['droneBandwidth'].value
+            max_active_drones = int(ship_bandwidth/bandwidth_per_drone)
+            if max_active_drones == 0:
+                wx.MessageDialog(
+                    None, "Cannot split drone stack to fit bandwidth. This "
+                    "drone type uses {0} mbit/s and this ship only has {1} "
+                    "mbit/s.".format(int(bandwidth_per_drone),
+                                     int(ship_bandwidth)),
+                    "Ship drone bandwidth exceeded", wx.OK | wx.ICON_ERROR
+                ).ShowModal()
+            else:
+                if max_active_drones > 5:
+                    max_active_drones = 5
+
+                position = fit.drones.index(mainItem)
+                self.mainFrame.command.Submit(
+                    cmd.GuiSplitLocalDroneStackCommand(fitID=fitID,
+                                                       position=position,
+                                                       amount=max_active_drones,
+                                                       deactivate=True)
+                )
+
+
 DroneSplitStack.register()
+DroneSplitStackBandwidth.register()
 
 
 class DroneStackSplit(wx.Dialog):

gui/fitCommands/calc/drone/localRemove.py

@@ -10,13 +10,14 @@
 
 class CalcRemoveLocalDroneCommand(wx.Command):
 
-    def __init__(self, fitID, position, amount):
+    def __init__(self, fitID, position, amount, deactivate=False):
         wx.Command.__init__(self, True, 'Remove Local Drone')
         self.fitID = fitID
         self.position = position
         self.amountToRemove = amount
         self.savedDroneInfo = None
         self.removedStack = None
+        self.deactivate = deactivate
 
     def Do(self):
         pyfalog.debug('Doing removal of {} local drones at position {} from fit {}'.format(self.amountToRemove, self.position, self.fitID))
@@ -26,7 +27,10 @@ def Do(self):
 
         drone.amount = max(drone.amount - self.amountToRemove, 0)
         if drone.amountActive > 0:
-            drone.amountActive = min(drone.amountActive, drone.amount)
+            if self.deactivate:
+                drone.amountActive = 0
+            else:
+                drone.amountActive = min(drone.amountActive, drone.amount)
 
         if drone.amount == 0:
             fit.drones.remove(drone)

gui/fitCommands/gui/localDrone/stackSplit.py

@@ -11,12 +11,17 @@
 
 class GuiSplitLocalDroneStackCommand(wx.Command):
 
-    def __init__(self, fitID, position, amount):
+    def __init__(self, fitID, position, amount, deactivate=False):
+        """
+        Deactivate argument is only True when splitting drone stacks to match
+        ship's available bandwidth.
+        """
         wx.Command.__init__(self, True, 'Split Local Drone Stack')
         self.internalHistory = InternalCommandHistory()
         self.fitID = fitID
         self.position = position
         self.amount = amount
+        self.deactivate = deactivate
 
     def Do(self):
         sFit = Fit.getInstance()
@@ -31,7 +36,8 @@ def Do(self):
         commands.append(CalcRemoveLocalDroneCommand(
             fitID=self.fitID,
             position=self.position,
-            amount=self.amount))
+            amount=self.amount,
+            deactivate=self.deactivate))
         commands.append(CalcAddLocalDroneCommand(
             fitID=self.fitID,
             droneInfo=info,