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Add an ID role and addGlobal property to ExtrudersModel

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Contributes to CURA-340
This commit is contained in:
Arjen Hiemstra 2016-06-09 13:46:39 +02:00
parent 1a573345f2
commit d57e2b2e22
1 changed files with 36 additions and 5 deletions
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41
cura/ExtrudersModel.py
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@ -1,7 +1,7 @@
# Copyright (c) 2016 Ultimaker B.V.
# Cura is released under the terms of the AGPLv3 or higher.
from PyQt5.QtCore import Qt
from PyQt5.QtCore import Qt, pyqtSignal, pyqtProperty
import cura.ExtruderManager
import UM.Qt.ListModel
@ -12,18 +12,21 @@ import UM.Qt.ListModel
# intended for drop-down lists of the current machine's extruders in place of
# settings.
class ExtrudersModel(UM.Qt.ListModel.ListModel):
# The ID of the container stack for the extruder.
IdRole = Qt.UserRole + 1
## Human-readable name of the extruder.
NameRole = Qt.UserRole + 1
NameRole = Qt.UserRole + 2
## Colour of the material loaded in the extruder.
ColourRole = Qt.UserRole + 2
ColourRole = Qt.UserRole + 3
## Index of the extruder, which is also the value of the setting itself.
#
# An index of 0 indicates the first extruder, an index of 1 the second
# one, and so on. This is the value that will be saved in instance
# containers.
IndexRole = Qt.UserRole + 3
IndexRole = Qt.UserRole + 4
## Initialises the extruders model, defining the roles and listening for
# changes in the data.
@ -32,16 +35,30 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
def __init__(self, parent = None):
super().__init__(parent)
self.addRoleName(self.IdRole, "id")
self.addRoleName(self.NameRole, "name")
self.addRoleName(self.ColourRole, "colour")
self.addRoleName(self.IndexRole, "index")
self._add_global = False
#Listen to changes.
manager = cura.ExtruderManager.ExtruderManager.getInstance()
manager.extrudersChanged.connect(self._updateExtruders) #When the list of extruders changes in general.
UM.Application.globalContainerStackChanged.connect(self._updateExtruders) #When the current machine changes.
self._updateExtruders()
def setAddGlobal(self, add):
if add != self._add_global:
self._add_global = add
self._updateExtruders()
self.addGlobalChanged.emit()
addGlobalChanged = pyqtSignal()
@pyqtProperty(bool, fset = setAddGlobal, notify = addGlobalChanged)
def addGlobal(self):
return self._add_global
## Update the list of extruders.
#
# This should be called whenever the list of extruders changes.
@ -51,6 +68,18 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
global_container_stack = UM.Application.getInstance().getGlobalContainerStack()
if not global_container_stack:
return #There is no machine to get the extruders of.
if self._add_global:
material = global_container_stack.findContainer({ "type": "material" })
colour = material.getMetaDataEntry("color_code", default = "#FFFF00") if material else "#FFFF00"
item = {
"id": global_container_stack.getId(),
"name": "Global",
"colour": colour,
"index": -1
}
self.appendItem(item)
for extruder in manager.getMachineExtruders(global_container_stack.getBottom()):
material = extruder.findContainer({ "type": "material" })
colour = material.getMetaDataEntry("color_code", default = "#FFFF00") if material else "#FFFF00"
@ -60,9 +89,11 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
except ValueError: #Not a proper int.
position = -1
item = { #Construct an item with only the relevant information.
"id": extruder.getId(),
"name": extruder.getName(),
"colour": colour,
"index": position
}
self.appendItem(item)
self.sort(lambda item: item["index"])
self.sort(lambda item: item["index"])