[common] introduce ListModel

*qt: for now, use QObjectListModel for both Dict and List models

meshroom/common/__init__.py

@@ -1,7 +1,7 @@
 import meshroom
 
-Model = None
 DictModel = None
+ListModel = None
 Slot = None
 Signal = None
 Property = None
@@ -10,10 +10,10 @@ Variant = None
 
 if meshroom.backend == meshroom.Backend.PYSIDE:
     # PySide types
-    from .qt import DictModel, Slot, Signal, Property, BaseObject, Variant
+    from .qt import DictModel, ListModel, Slot, Signal, Property, BaseObject, Variant
 elif meshroom.backend == meshroom.Backend.STANDALONE:
     # Core types
-    from .core import DictModel, Slot, Signal, Property, BaseObject, Variant
+    from .core import DictModel, ListModel, Slot, Signal, Property, BaseObject, Variant
 
 
 class _BaseModel:

meshroom/common/core.py

@@ -54,6 +54,32 @@ class CoreDictModel:
         self.update(objects)
 
 
+class CoreListModel:
+    def __init__(self, parent=None):
+        self._objects = []
+
+    def __iter__(self):
+        return self._objects.__iter__()
+
+    def at(self, idx):
+        return self._objects[idx]
+
+    def append(self, obj):
+        self._objects.append(obj)
+
+    def extend(self, iterable):
+        self._objects.extend(iterable)
+
+    def indexOf(self, obj):
+        self._objects.index(obj)
+
+    def removeAt(self, idx):
+        del self._objects[idx]
+
+    def remove(self, obj):
+        self._objects.remove(obj)
+
+
 class CoreSignal:
     """ Simple signal/callback implementation """
     def __init__(self):
@@ -91,6 +117,7 @@ class CoreObject(object):
 
 
 DictModel = CoreDictModel
+ListModel = CoreListModel
 Slot = CoreSlot
 Signal = CoreSignal
 Property = CoreProperty

meshroom/common/qt.py

@@ -311,8 +311,8 @@ class QTypedObjectListModel(QObjectListModel):
         super(QTypedObjectListModel, self)._referenceItem(item)
 
 
-Model = QObjectListModel
 DictModel = QObjectListModel
+ListModel = QObjectListModel
 Slot = QtCore.Slot
 Signal = QtCore.Signal
 Property = QtCore.Property