W.I.P.: Press print on abstract cloud printer. User should see dialog.

Start of implementation. When printing on an abstract printer, a user should see a dialog with the matching concrete cloud printers to pick from to actually print. Names are not final. Very much a work in progress. Very not finished also.

start of implementation for CURA-9278

2 files changed, 85 insertions, 8 deletions

diff --git a/cura/Machines/Models/CompatibleMachineModel.py b/cura/Machines/Models/CompatibleMachineModel.py
new file mode 100644
index 0000000000..a0a6fd8bb2
--- /dev/null
+++ b/cura/Machines/Models/CompatibleMachineModel.py
@@ -0,0 +1,73 @@
+# Copyright (c) 2022 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+# TODO?: documentation
+
+from typing import Optional
+
+from PyQt6.QtCore import Qt, QTimer, QObject, pyqtSlot, pyqtProperty, pyqtSignal
+
+from UM.Qt.ListModel import ListModel
+from UM.Settings.ContainerStack import ContainerStack
+from UM.i18n import i18nCatalog
+from UM.Util import parseBool
+
+from cura.PrinterOutput.PrinterOutputDevice import ConnectionType
+from cura.Settings.CuraContainerRegistry import CuraContainerRegistry
+
+
+class CompatibleMachineModel(ListModel):
+    NameRole = Qt.ItemDataRole.UserRole + 1
+    IdRole = Qt.ItemDataRole.UserRole + 2
+    ExtrudersRole = Qt.ItemDataRole.UserRole + 3
+
+    def __init__(self, parent: Optional[QObject] = None) -> None:
+        super().__init__(parent)
+
+        self._filter_on_definition_id: Optional[str] = None
+
+        self._catalog = i18nCatalog("cura")
+
+        self.addRoleName(self.NameRole, "name")
+        self.addRoleName(self.IdRole, "id")
+        self.addRoleName(self.ExtrudersRole, "extruders")
+
+    filterChanged = pyqtSignal(str)
+
+    @pyqtSlot(str)
+    def setFilter(self, abstract_machine_id: str) -> None:
+        # TODO??: defensive coding; check if machine is abstract & abort/log if not
+        self._filter_on_definition_id = abstract_machine_id
+
+        # Don't need a delayed update, since it's fire once on user click (either on 'print to cloud' or 'refresh').
+        # So, no signals that could come in (too) quickly.
+        self.filterChanged.emit(self._filter_on_definition_id)
+        self._update()
+
+    @pyqtProperty(str, fset=setFilter, notify=filterChanged)
+    def filter(self) -> str:
+        return self._filter_on_definition_id
+
+    def _update(self) -> None:
+        self.clear()
+        if not self._filter_on_definition_id or self._filter_on_definition_id == "":
+            # TODO?: log
+            return
+
+        from cura.CuraApplication import CuraApplication
+        machine_manager = CuraApplication.getInstance().getMachineManager()
+        compatible_machines = machine_manager.getMachinesWithDefinition(self._filter_on_definition_id, online_only = True)
+        # TODO: Handle 0 compatible machines -> option to close window? Message in card? (remember  the design has a refresh button!)
+
+        for container_stack in compatible_machines:
+            if parseBool(container_stack.getMetaDataEntry("hidden", False)) or parseBool(container_stack.getMetaDataEntry("is_abstract_machine", False)):
+                continue
+            self.addItem(container_stack)
+
+    def addItem(self, container_stack: ContainerStack, machine_count: int = 0) -> None:
+        extruders = CuraContainerRegistry.getInstance().findContainerStacks(type="extruder_train", machine=container_stack.getId())
+        self.appendItem({
+                         "name": container_stack.getName(),
+                         "id": container_stack.getId(),
+                         "extruders": [extruder.getMetaData().copy() for extruder in extruders]
+                        })
diff --git a/cura/Machines/Models/MachineListModel.py b/cura/Machines/Models/MachineListModel.py
index 55db072180..bc071e226f 100644
--- a/cura/Machines/Models/MachineListModel.py
+++ b/cura/Machines/Models/MachineListModel.py
@@ -5,10 +5,13 @@
 # online cloud connected printers are represented within this ListModel. Additional information such as the number of
 # connected printers for each printer type is gathered.
 
-from PyQt6.QtCore import Qt, QTimer, pyqtSlot, pyqtProperty, pyqtSignal
+from typing import Optional
+
+from PyQt6.QtCore import Qt, QTimer, QObject, pyqtSlot, pyqtProperty, pyqtSignal
 
 from UM.Qt.ListModel import ListModel
 from UM.Settings.ContainerStack import ContainerStack
+from UM.Settings.Interfaces import ContainerInterface
 from UM.i18n import i18nCatalog
 from UM.Util import parseBool
 from cura.PrinterOutput.PrinterOutputDevice import ConnectionType
@@ -27,7 +30,7 @@ class MachineListModel(ListModel):
     IsAbstractMachineRole = Qt.ItemDataRole.UserRole + 7
     ComponentTypeRole = Qt.ItemDataRole.UserRole + 8
 
-    def __init__(self, parent=None) -> None:
+    def __init__(self, parent: Optional[QObject] = None) -> None:
         super().__init__(parent)
 
         self._show_cloud_printers = False
@@ -66,7 +69,7 @@ class MachineListModel(ListModel):
         self._updateDelayed()
         self.showCloudPrintersChanged.emit(show_cloud_printers)
 
-    def _onContainerChanged(self, container) -> None:
+    def _onContainerChanged(self, container: ContainerInterface) -> None:
         """Handler for container added/removed events from registry"""
 
         # We only need to update when the added / removed container GlobalStack
@@ -79,14 +82,15 @@ class MachineListModel(ListModel):
     def _update(self) -> None:
         self.clear()
 
+        from cura.CuraApplication import CuraApplication
+        machines_manager = CuraApplication.getInstance().getMachineManager()
+
         other_machine_stacks = CuraContainerRegistry.getInstance().findContainerStacks(type="machine")
 
         abstract_machine_stacks = CuraContainerRegistry.getInstance().findContainerStacks(is_abstract_machine = "True")
         abstract_machine_stacks.sort(key = lambda machine: machine.getName(), reverse = True)
         for abstract_machine in abstract_machine_stacks:
             definition_id = abstract_machine.definition.getId()
-            from cura.CuraApplication import CuraApplication
-            machines_manager = CuraApplication.getInstance().getMachineManager()
             online_machine_stacks = machines_manager.getMachinesWithDefinition(definition_id, online_only = True)
 
             # Create a list item for abstract machine
@@ -132,11 +136,11 @@ class MachineListModel(ListModel):
             has_connection |= connection_type in container_stack.configuredConnectionTypes
 
         self.appendItem({
-                        "componentType": "MACHINE",
-                        "name": container_stack.getName(),
+                         "componentType": "MACHINE",
+                         "name": container_stack.getName(),
                          "id": container_stack.getId(),
                          "metadata": container_stack.getMetaData().copy(),
                          "isOnline": parseBool(container_stack.getMetaDataEntry("is_online", False)) and has_connection,
                          "isAbstractMachine": parseBool(container_stack.getMetaDataEntry("is_abstract_machine", False)),
                          "machineCount": machine_count,
-                         })
+                        })