Move PerObjectSettings from Uranium to Cura

This tool is deemed Cura-specific, so it is moved to Cura. This prevents it from being included in other Uranium applications.

plugins/PerObjectSettingsTool/SettingOverrideModel.py

@@ -0,0 +1,76 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Uranium is released under the terms of the AGPLv3 or higher.
+
+from PyQt5.QtCore import Qt, pyqtSlot, QUrl
+
+from UM.Application import Application
+from UM.Qt.ListModel import ListModel
+from UM.Settings.SettingOverrideDecorator import SettingOverrideDecorator
+
+class SettingOverrideModel(ListModel):
+    KeyRole = Qt.UserRole + 1
+    LabelRole = Qt.UserRole + 2
+    DescriptionRole = Qt.UserRole + 3
+    ValueRole = Qt.UserRole + 4
+    TypeRole = Qt.UserRole + 5
+    UnitRole = Qt.UserRole + 6
+    ValidRole = Qt.UserRole + 7
+
+    def __init__(self, node, parent = None):
+        super().__init__(parent)
+
+        self._ignore_setting_change = None
+
+        self._node = node
+        self._node.decoratorsChanged.connect(self._onDecoratorsChanged)
+        self._onDecoratorsChanged(None)
+
+        self.addRoleName(self.KeyRole, "key")
+        self.addRoleName(self.LabelRole, "label")
+        self.addRoleName(self.DescriptionRole, "description")
+        self.addRoleName(self.ValueRole,"value")
+        self.addRoleName(self.TypeRole, "type")
+        self.addRoleName(self.UnitRole, "unit")
+        self.addRoleName(self.ValidRole, "valid")
+
+    @pyqtSlot(str, "QVariant")
+    def setSettingValue(self, key, value):
+        if not self._decorator:
+            return
+
+        self._ignore_setting_change = key
+        self._decorator.setSettingValue(key, value)
+        self._ignore_setting_change = None
+
+    def _onDecoratorsChanged(self, node):
+        if not self._node.getDecorator(SettingOverrideDecorator):
+            self.clear()
+            return
+
+        self._decorator = self._node.getDecorator(SettingOverrideDecorator)
+        self._decorator.settingAdded.connect(self._onSettingsChanged)
+        self._decorator.settingRemoved.connect(self._onSettingsChanged)
+        self._decorator.settingValueChanged.connect(self._onSettingValueChanged)
+        self._onSettingsChanged()
+
+    def _onSettingsChanged(self):
+        self.clear()
+
+        for key, setting in self._decorator.getAllSettings().items():
+            value = self._decorator.getSettingValue(key)
+            self.appendItem({
+                "key": key,
+                "label": setting.getLabel(),
+                "description": setting.getDescription(),
+                "value": str(value),
+                "type": setting.getType(),
+                "unit": setting.getUnit(),
+                "valid": setting.validate(value)
+            })
+
+    def _onSettingValueChanged(self, setting):
+        index = self.find("key", setting.getKey())
+        if index != -1 and self._ignore_setting_change != setting.getKey():
+            value = self._decorator.getSettingValue(setting.getKey())
+            self.setProperty(index, "value", str(value))
+            self.setProperty(index, "valid", setting.validate(value))