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Make ExtruderManagerModel no longer a PyQt model

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It is still a model according to the MVC paradigm but not according to Qt. To be consistent with the rest, don't call it a model any more.

Contributes to issues CURA-1278 and CURA-351.
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Ghostkeeper 2016-05-31 10:59:32 +02:00
parent 2a288cd7a2
commit a08e71774d
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102
cura/ExtruderManagerModel.py
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@ -1,102 +0,0 @@
# Copyright (c) 2016 Ultimaker B.V.
# Cura is released under the terms of the AGPLv3 or higher.
from PyQt5.QtCore import QObject, pyqtSlot, pyqtProperty, pyqtSignal
import re
from UM.Application import Application #To get the global container stack to find the current machine.
from UM.Logger import Logger
from UM.Settings.ContainerStack import ContainerStack #To create container stacks for each extruder.
from UM.Settings.ContainerRegistry import ContainerRegistry #Finding containers by ID.
## Class that handles the current extruder stack.
#
# This finds the extruders that are available for the currently active machine
# and makes sure that whenever the machine is swapped, this list is kept up to
# date. It also contains and updates the setting stacks for the extruders.
class ExtruderManagerModel(QObject):
## Registers listeners and such to listen to changes to the extruders.
#
# \param parent Parent QObject of this model.
def __init__(self, parent = None):
super().__init__(parent)
self._extruderDefinitions = [] #Extruder definitions for the current machine.
self._nozzles = {} #Nozzle instances for each extruder.
self._extruderTrains = [] #Container stacks for each of the extruder trains.
Application.getInstance().getGlobalContainerStack().containersChanged.connect(self._reloadExtruders) #When the current machine changes, we need to reload all extruders belonging to the new machine.
## (Re)loads all extruders of the currently active machine.
#
# This looks at the global container stack to see which machine is active.
# Then it loads the extruder definitions for that machine and the variants
# of those definitions. Then it puts the new extruder definitions in the
# appropriate place in the container stacks.
def _reloadExtruders(self):
self._extruderDefinitions = []
self._nozzles = {}
self._extruderTrains = []
global_container_stack = Application.getInstance().getGlobalContainerStack()
if not global_container_stack: #No machine has been added yet.
return #Then leave them empty!
#Fill the list of extruder trains.
machine = global_container_stack.getBottom()
extruder_train_ids = machine.getMetaData("machine_extruder_trains")
for extruder_train_id in extruder_train_ids:
extruders = ContainerRegistry.getInstance().findDefinitionContainers(id = extruder_train_id) #Should be only 1 definition if IDs are unique, but add the whole list anyway.
if not extruders: #Empty list or error.
Logger.log("w", "Machine definition %s refers to an extruder train \"%s\", but no such extruder was found.", machine.getId(), extruder_train_id)
continue
self._extruderDefinitions += extruders
#Fill the nozzles for each of the extruder trains.
for extruder in self._extruderDefinitions:
self._nozzles[extruder.id] = []
all_nozzles = ContainerRegistry.getInstance().findInstanceContainers(type="nozzle")
for nozzle in all_nozzles:
extruders = nozzle.getMetaDataEntry("definitions").split(",").strip()
for extruder_id in extruders:
self._nozzles[extruder_id] = nozzle
#Create the extruder train container stacks.
for extruder in self._extruderDefinitions:
self._extruderTrains.append(self._createContainerStack(extruder))
## Creates a container stack for the specified extruder.
#
# This fills in the specified extruder as base definition, then a nozzle
# that fits in that extruder train, then a material that fits through that
# nozzle, then a quality profile that can be used with that material, and
# finally an empty user profile.
#
# \param extruder The extruder to create the container stack for.
# \return A container stack with the specified extruder as base.
def _createContainerStack(self, extruder):
container_stack = ContainerStack(self._uniqueName(extruder))
#TODO: Fill the container stack.
return container_stack
## Finds a unique name for an extruder stack.
#
# \param extruder Extruder to design a name for.
# \return A name for an extruder stack that is unique and reasonably
# human-readable.
def _uniqueName(self, extruder):
container_registry = ContainerRegistry.getInstance()
name = extruder.getName().strip()
num_check = re.compile("(.*?)\s*#\d$").match(name)
if(num_check): #There is a number in the name.
name = num_check.group(1) #Filter out the number.
if name == "": #Wait, that deleted everything!
name = "Extruder"
unique_name = name
i = 1
while(container_registry.findContainers(id = unique_name) or container_registry.findContainers(name = unique_name)): #A container already has this name.
i += 1 #Try next numbering.
unique_name = "%s #%d" % (name, i) #Fill name like this: "Extruder #2".
return unique_name