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#! /usr/bin/env python3 |
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import sys |
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import os |
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import logging |
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from PyQt5.QtCore import QTimer, QSettings, QModelIndex, Qt, QCoreApplication, QObject, pyqtSignal |
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from PyQt5.QtGui import QIcon, QFont |
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from PyQt5.QtWidgets import QMainWindow, QApplication, QFileDialog, QMessageBox, QStyledItemDelegate, QMenu |
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from opcua import ua |
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from uawidgets import resources |
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from uawidgets.attrs_widget import AttrsWidget |
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from uawidgets.tree_widget import TreeWidget |
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from uawidgets.refs_widget import RefsWidget |
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from uawidgets.new_node_dialogs import NewNodeBaseDialog, NewUaObjectDialog, NewUaVariableDialog, NewUaMethodDialog |
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from uawidgets.utils import trycatchslot |
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from uawidgets.logger import QtHandler |
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from uamodeler.uamodeler_ui import Ui_UaModeler |
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from uamodeler.namespace_widget import NamespaceWidget |
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from uamodeler.refnodesets_widget import RefNodeSetsWidget |
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from uamodeler.model_manager import ModelManager |
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logger = logging.getLogger(__name__) |
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class BoldDelegate(QStyledItemDelegate): |
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def __init__(self, parent, model, added_node_list): |
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QStyledItemDelegate.__init__(self, parent) |
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self.added_node_list = added_node_list |
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self.model = model |
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def paint(self, painter, option, idx): |
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new_idx = idx.sibling(idx.row(), 0) |
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item = self.model.itemFromIndex(new_idx) |
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if item and item.data(Qt.UserRole) in self.added_node_list: |
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option.font.setWeight(QFont.Bold) |
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QStyledItemDelegate.paint(self, painter, option, idx) |
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class ActionsManager(object): |
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""" |
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Manage actions of Modeler |
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""" |
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def __init__(self, modeler): |
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self.modeler = modeler |
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self.ui = modeler.ui |
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self.model_slots = modeler.model_slots |
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self._fix_icons() |
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# actions |
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self.ui.actionNew.triggered.connect(self.model_slots.new) |
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self.ui.actionOpen.triggered.connect(self.model_slots.open) |
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self.ui.actionCopy.triggered.connect(self.model_slots.copy) |
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self.ui.actionPaste.triggered.connect(self.model_slots.paste) |
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self.ui.actionDelete.triggered.connect(self.model_slots.delete) |
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self.ui.actionImport.triggered.connect(self.model_slots.import_xml) |
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self.ui.actionSave.triggered.connect(self.model_slots.save) |
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self.ui.actionSaveAs.triggered.connect(self.model_slots.save_as) |
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self.ui.actionCloseModel.triggered.connect(self.model_slots.close_model) |
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self.ui.actionAddObjectType.triggered.connect(self.model_slots.add_object_type) |
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self.ui.actionAddObject.triggered.connect(self.model_slots.add_object) |
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self.ui.actionAddFolder.triggered.connect(self.model_slots.add_folder) |
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self.ui.actionAddMethod.triggered.connect(self.model_slots.add_method) |
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self.ui.actionAddDataType.triggered.connect(self.model_slots.add_data_type) |
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self.ui.actionAddVariable.triggered.connect(self.model_slots.add_variable) |
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self.ui.actionAddVariableType.triggered.connect(self.model_slots.add_variable_type) |
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self.ui.actionAddProperty.triggered.connect(self.model_slots.add_property) |
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self.disable_all_actions() |
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def _fix_icons(self): |
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# fix icon stuff |
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self.ui.actionNew.setIcon(QIcon(":/new.svg")) |
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self.ui.actionOpen.setIcon(QIcon(":/open.svg")) |
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self.ui.actionCopy.setIcon(QIcon(":/copy.svg")) |
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self.ui.actionPaste.setIcon(QIcon(":/paste.svg")) |
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self.ui.actionDelete.setIcon(QIcon(":/delete.svg")) |
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self.ui.actionSave.setIcon(QIcon(":/save.svg")) |
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self.ui.actionAddFolder.setIcon(QIcon(":/folder.svg")) |
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self.ui.actionAddObject.setIcon(QIcon(":/object.svg")) |
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self.ui.actionAddMethod.setIcon(QIcon(":/method.svg")) |
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self.ui.actionAddObjectType.setIcon(QIcon(":/object_type.svg")) |
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self.ui.actionAddProperty.setIcon(QIcon(":/property.svg")) |
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self.ui.actionAddVariable.setIcon(QIcon(":/variable.svg")) |
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self.ui.actionAddVariableType.setIcon(QIcon(":/variable_type.svg")) |
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self.ui.actionAddDataType.setIcon(QIcon(":/data_type.svg")) |
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self.ui.actionAddReferenceType.setIcon(QIcon(":/reference_type.svg")) |
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def update_actions_states(self, node): |
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self.disable_add_actions() |
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if not node or node in (self.modeler.get_current_server().nodes.root, |
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self.modeler.get_current_server().nodes.types, |
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self.modeler.get_current_server().nodes.event_types, |
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self.modeler.get_current_server().nodes.object_types, |
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self.modeler.get_current_server().nodes.reference_types, |
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self.modeler.get_current_server().nodes.variable_types, |
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self.modeler.get_current_server().nodes.data_types): |
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return |
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path = node.get_path() |
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nodeclass = node.get_node_class() |
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self.ui.actionCopy.setEnabled(True) |
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self.ui.actionDelete.setEnabled(True) |
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if nodeclass == ua.NodeClass.Variable: |
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return |
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self.ui.actionPaste.setEnabled(True) |
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if self.modeler.get_current_server().nodes.base_object_type in path: |
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self.ui.actionAddObjectType.setEnabled(True) |
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if self.modeler.get_current_server().nodes.base_variable_type in path: |
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self.ui.actionAddVariableType.setEnabled(True) |
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if self.modeler.get_current_server().nodes.base_data_type in path: |
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self.ui.actionAddDataType.setEnabled(True) |
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if self.modeler.get_current_server().nodes.enum_data_type in path: |
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self.ui.actionAddProperty.setEnabled(True) |
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return # not other nodes should be added here |
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self.ui.actionAddFolder.setEnabled(True) |
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self.ui.actionAddObject.setEnabled(True) |
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self.ui.actionAddVariable.setEnabled(True) |
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self.ui.actionAddProperty.setEnabled(True) |
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self.ui.actionAddMethod.setEnabled(True) |
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def disable_model_actions(self): |
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self.ui.actionImport.setEnabled(False) |
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self.ui.actionSave.setEnabled(False) |
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self.ui.actionSaveAs.setEnabled(False) |
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def disable_all_actions(self): |
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self.disable_add_actions() |
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self.disable_model_actions() |
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def disable_add_actions(self): |
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self.ui.actionPaste.setEnabled(False) |
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self.ui.actionCopy.setEnabled(False) |
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self.ui.actionDelete.setEnabled(False) |
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self.ui.actionAddObject.setEnabled(False) |
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self.ui.actionAddFolder.setEnabled(False) |
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self.ui.actionAddVariable.setEnabled(False) |
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self.ui.actionAddProperty.setEnabled(False) |
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self.ui.actionAddDataType.setEnabled(False) |
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self.ui.actionAddVariableType.setEnabled(False) |
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self.ui.actionAddObjectType.setEnabled(False) |
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self.ui.actionAddMethod.setEnabled(False) |
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def enable_model_actions(self): |
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self.ui.actionImport.setEnabled(True) |
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self.ui.actionSave.setEnabled(True) |
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self.ui.actionSaveAs.setEnabled(True) |
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class ModelSlots(QObject): |
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""" |
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All methods that are called to modify/create/close models. |
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Logic is inside ModelManager, this class only handle the UI and dialogs |
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""" |
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error = pyqtSignal(Exception) |
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def __init__(self, modeler): |
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QObject.__init__(self) |
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self.modeler = modeler |
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self.model_mgr = modeler.model_mgr |
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self.settings = QSettings() |
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self._last_dir = self.settings.value("last_dir", ".") |
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self._copy_clipboard = None |
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@trycatchslot |
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def new(self): |
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if not self.try_close_model(): |
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return |
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self.model_mgr.new_model() |
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@trycatchslot |
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def delete(self): |
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node = self.modeler.get_current_node() |
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self.model_mgr.delete_node(node) |
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@trycatchslot |
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def copy(self): |
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node = self.modeler.get_current_node() |
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if node: |
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self._copy_clipboard = node |
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@trycatchslot |
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def paste(self): |
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if self._copy_clipboard: |
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self.model_mgr.paste_node(self._copy_clipboard) |
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@trycatchslot |
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def close_model(self): |
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self.try_close_model() |
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def try_close_model(self): |
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if self.model_mgr.modified: |
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reply = QMessageBox.question( |
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self.modeler, |
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"OPC UA Modeler", |
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"Model is modified, do you really want to close model?", |
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QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel |
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) |
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if reply != QMessageBox.Yes: |
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return False |
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self.model_mgr.close_model(force=True) |
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return True |
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def _get_xml(self): |
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path, ok = QFileDialog.getOpenFileName(self.modeler, caption="Open OPC UA XML", filter="XML Files (*.xml *.XML)", directory=self._last_dir) |
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if ok: |
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self._last_dir = os.path.dirname(path) |
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self.settings.setValue("last_dir", self._last_dir) |
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return path, ok |
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@trycatchslot |
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def open(self): |
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if not self.try_close_model(): |
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return |
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path, ok = self._get_xml() |
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if not ok: |
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return |
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self.model_mgr.open_model(path) |
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@trycatchslot |
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def import_xml(self): |
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path, ok = self._get_xml() |
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if not ok: |
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return None |
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self.model_mgr.import_xml(path) |
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@trycatchslot |
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def save_as(self): |
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self._save_as() |
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def _save_as(self): |
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path, ok = QFileDialog.getSaveFileName(self, caption="Save OPC UA XML", filter="XML Files (*.xml *.XML)") |
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if ok: |
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if os.path.isfile(path): |
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reply = QMessageBox.question( |
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self.modeler, |
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"OPC UA Modeler", |
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"File already exit, do you really want to save to this file?", |
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QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel |
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) |
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if reply != QMessageBox.Yes: |
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return |
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self.model_mgr.save_model(path) |
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@trycatchslot |
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def save(self): |
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if not self.model_mgr.current_path: |
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self.save_as() |
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else: |
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self.model_mgr.save_model() |
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@trycatchslot |
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def add_method(self): |
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args, ok = NewUaMethodDialog.getArgs(self.modeler, "Add Method", self.model_mgr.server_mgr) |
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if ok: |
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self.model_mgr.add_method(*args) |
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@trycatchslot |
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def add_object_type(self): |
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args, ok = NewNodeBaseDialog.getArgs(self.modeler, "Add Object Type", self.model_mgr.server_mgr) |
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if ok: |
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self.model_mgr.add_object_type(*args) |
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@trycatchslot |
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def add_folder(self): |
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args, ok = NewNodeBaseDialog.getArgs(self.modeler, "Add Folder", self.model_mgr.server_mgr) |
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if ok: |
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self.model_mgr.add_folder(*args) |
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@trycatchslot |
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def add_object(self): |
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args, ok = NewUaObjectDialog.getArgs(self.modeler, "Add Object", self.model_mgr.server_mgr, base_node_type=self.model_mgr.server_mgr.nodes.base_object_type) |
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if ok: |
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self.model_mgr.add_object(*args) |
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@trycatchslot |
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def add_data_type(self): |
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args, ok = NewNodeBaseDialog.getArgs(self.modeler, "Add Data Type", self.model_mgr.server_mgr) |
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292
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if ok: |
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293
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self.model_mgr.add_data_type(*args) |
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294
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295
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@trycatchslot |
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296
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def add_variable(self): |
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297
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dtype = self.settings.value("last_datatype", None) |
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298
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args, ok = NewUaVariableDialog.getArgs(self.modeler, "Add Variable", self.model_mgr.server_mgr, default_value=9.99, dtype=dtype) |
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299
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if ok: |
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300
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self.model_mgr.add_variable(*args) |
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301
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self.settings.setValue("last_datatype", args[4]) |
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302
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303
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@trycatchslot |
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304
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def add_property(self): |
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305
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dtype = self.settings.value("last_datatype", None) |
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306
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args, ok = NewUaVariableDialog.getArgs(self.modeler, "Add Property", self.model_mgr.server_mgr, default_value=9.99, dtype=dtype) |
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307
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if ok: |
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308
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self.model_mgr.add_property(*args) |
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309
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310
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@trycatchslot |
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311
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def add_variable_type(self): |
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312
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args, ok = NewUaObjectDialog.getArgs(self.modeler, "Add Variable Type", self.model_mgr.server_mgr, base_node_type=self.model_mgr.server_mgr.get_node(ua.ObjectIds.BaseVariableType)) |
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313
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if ok: |
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314
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self.model_mgr.add_variable_type(*args) |
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315
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316
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317
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class UaModeler(QMainWindow): |
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318
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""" |
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319
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Main class of modeler. Should be as simple as possible, try to push things to other classes |
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320
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or even better python-opcua |
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321
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""" |
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322
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323
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def __init__(self): |
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324
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QMainWindow.__init__(self) |
|
325
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self.ui = Ui_UaModeler() |
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326
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self.ui.setupUi(self) |
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327
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self.setWindowIcon(QIcon(":/network.svg")) |
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328
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329
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# we only show statusbar in case of errors |
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330
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self.ui.statusBar.hide() |
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331
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|
332
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# setup QSettings for application and get a settings object |
|
333
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QCoreApplication.setOrganizationName("FreeOpcUa") |
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334
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QCoreApplication.setApplicationName("OpcUaModeler") |
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335
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self.settings = QSettings() |
|
336
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|
337
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self._restore_state() |
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338
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|
339
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self.tree_ui = TreeWidget(self.ui.treeView) |
|
340
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self.tree_ui.error.connect(self.show_error) |
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341
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|
342
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self.refs_ui = RefsWidget(self.ui.refView) |
|
343
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self.refs_ui.error.connect(self.show_error) |
|
344
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self.attrs_ui = AttrsWidget(self.ui.attrView, show_timestamps=False) |
|
345
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self.attrs_ui.error.connect(self.show_error) |
|
346
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|
self.idx_ui = NamespaceWidget(self.ui.namespaceView) |
|
347
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|
|
self.nodesets_ui = RefNodeSetsWidget(self.ui.refNodeSetsView) |
|
348
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self.nodesets_ui.error.connect(self.show_error) |
|
349
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self.nodesets_ui.nodeset_added.connect(self.nodesets_change) |
|
350
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self.nodesets_ui.nodeset_removed.connect(self.nodesets_change) |
|
351
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|
352
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self.ui.treeView.activated.connect(self.show_refs) |
|
353
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self.ui.treeView.clicked.connect(self.show_refs) |
|
354
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self.ui.treeView.activated.connect(self.show_attrs) |
|
355
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|
self.ui.treeView.clicked.connect(self.show_attrs) |
|
356
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|
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|
|
357
|
|
|
self.model_mgr = ModelManager(self) |
|
358
|
|
|
self.model_slots = ModelSlots(self) |
|
359
|
|
|
self.actions = ActionsManager(self) |
|
360
|
|
|
self.model_slots.error.connect(self.show_error) |
|
361
|
|
|
self.setup_context_menu_tree() |
|
362
|
|
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|
|
363
|
|
|
self.setup_context_menu_tree() |
|
364
|
|
|
|
|
365
|
|
|
delegate = BoldDelegate(self, self.tree_ui.model, self.model_mgr.new_nodes) |
|
366
|
|
|
self.ui.treeView.setItemDelegate(delegate) |
|
367
|
|
|
self.ui.treeView.selectionModel().currentChanged.connect(self._update_actions_state) |
|
368
|
|
|
|
|
369
|
|
|
def get_current_server(self): |
|
370
|
|
|
return self.model_mgr.server_mgr |
|
371
|
|
|
|
|
372
|
|
|
def get_current_node(self, idx=None): |
|
373
|
|
|
return self.tree_ui.get_current_node(idx) |
|
374
|
|
|
|
|
375
|
|
|
def clear_all_widgets(self): |
|
376
|
|
|
self.tree_ui.clear() |
|
377
|
|
|
self.refs_ui.clear() |
|
378
|
|
|
self.attrs_ui.clear() |
|
379
|
|
|
self.idx_ui.clear() |
|
380
|
|
|
self.nodesets_ui.clear() |
|
381
|
|
|
|
|
382
|
|
|
def _update_actions_state(self, current, previous): |
|
383
|
|
|
node = self.get_current_node(current) |
|
384
|
|
|
self.actions.update_actions_states(node) |
|
385
|
|
|
|
|
386
|
|
|
def setup_context_menu_tree(self): |
|
387
|
|
|
self.ui.treeView.setContextMenuPolicy(Qt.CustomContextMenu) |
|
388
|
|
|
self.ui.treeView.customContextMenuRequested.connect(self._show_context_menu_tree) |
|
389
|
|
|
self._contextMenu = QMenu() |
|
390
|
|
|
|
|
391
|
|
|
# tree view menu |
|
392
|
|
|
self._contextMenu.addAction(self.ui.actionCopy) |
|
393
|
|
|
self._contextMenu.addAction(self.ui.actionPaste) |
|
394
|
|
|
self._contextMenu.addAction(self.ui.actionDelete) |
|
395
|
|
|
self._contextMenu.addSeparator() |
|
396
|
|
|
self._contextMenu.addAction(self.ui.actionAddFolder) |
|
397
|
|
|
self._contextMenu.addAction(self.ui.actionAddObject) |
|
398
|
|
|
self._contextMenu.addAction(self.ui.actionAddVariable) |
|
399
|
|
|
self._contextMenu.addAction(self.ui.actionAddProperty) |
|
400
|
|
|
self._contextMenu.addAction(self.ui.actionAddMethod) |
|
401
|
|
|
self._contextMenu.addAction(self.ui.actionAddObjectType) |
|
402
|
|
|
self._contextMenu.addAction(self.ui.actionAddVariableType) |
|
403
|
|
|
self._contextMenu.addAction(self.ui.actionAddDataType) |
|
404
|
|
|
|
|
405
|
|
|
def _show_context_menu_tree(self, position): |
|
406
|
|
|
node = self.tree_ui.get_current_node() |
|
407
|
|
|
if node: |
|
408
|
|
|
self._contextMenu.exec_(self.ui.treeView.viewport().mapToGlobal(position)) |
|
409
|
|
|
|
|
410
|
|
|
def _restore_state(self): |
|
411
|
|
|
self.resize(int(self.settings.value("main_window_width", 800)), |
|
412
|
|
|
int(self.settings.value("main_window_height", 600))) |
|
413
|
|
|
#self.restoreState(self.settings.value("main_window_state", b"", type="QByteArray")) |
|
414
|
|
|
self.restoreState(self.settings.value("main_window_state", bytearray())) |
|
415
|
|
|
self.ui.splitterLeft.restoreState(self.settings.value("splitter_left", bytearray())) |
|
416
|
|
|
self.ui.splitterRight.restoreState(self.settings.value("splitter_right", bytearray())) |
|
417
|
|
|
self.ui.splitterCenter.restoreState(self.settings.value("splitter_center", bytearray())) |
|
418
|
|
|
def update_title(self, path): |
|
419
|
|
|
self.setWindowTitle("FreeOpcUa Modeler " + str(path)) |
|
420
|
|
|
|
|
421
|
|
|
def show_error(self, msg): |
|
422
|
|
|
self.ui.statusBar.show() |
|
423
|
|
|
self.ui.statusBar.setStyleSheet("QStatusBar { background-color : red; color : black; }") |
|
424
|
|
|
self.ui.statusBar.showMessage(str(msg)) |
|
425
|
|
|
QTimer.singleShot(2500, self.ui.statusBar.hide) |
|
426
|
|
|
|
|
427
|
|
|
def show_msg(self, msg): |
|
428
|
|
|
self.ui.statusBar.show() |
|
429
|
|
|
self.ui.statusBar.setStyleSheet("QStatusBar { background-color : green; color : black; }") |
|
430
|
|
|
self.ui.statusBar.showMessage(str(msg)) |
|
431
|
|
|
QTimer.singleShot(1500, self.ui.statusBar.hide) |
|
432
|
|
|
|
|
433
|
|
|
@trycatchslot |
|
434
|
|
|
def show_refs(self, idx=None): |
|
435
|
|
|
node = self.get_current_node(idx) |
|
436
|
|
|
self.refs_ui.show_refs(node) |
|
437
|
|
|
|
|
438
|
|
|
@trycatchslot |
|
439
|
|
|
def show_attrs(self, idx=None): |
|
440
|
|
|
if not isinstance(idx, QModelIndex): |
|
441
|
|
|
idx = None |
|
442
|
|
|
node = self.get_current_node(idx) |
|
443
|
|
|
self.attrs_ui.show_attrs(node) |
|
444
|
|
|
|
|
445
|
|
|
def nodesets_change(self, data): |
|
446
|
|
|
self.idx_ui.reload() |
|
447
|
|
|
self.tree_ui.reload() |
|
448
|
|
|
self.refs_ui.clear() |
|
449
|
|
|
self.attrs_ui.clear() |
|
450
|
|
|
|
|
451
|
|
|
def closeEvent(self, event): |
|
452
|
|
|
if not self.model_slots.try_close_model(): |
|
453
|
|
|
event.ignore() |
|
454
|
|
|
return |
|
455
|
|
|
self.attrs_ui.save_state() |
|
456
|
|
|
self.refs_ui.save_state() |
|
457
|
|
|
self.settings.setValue("main_window_width", self.size().width()) |
|
458
|
|
|
self.settings.setValue("main_window_height", self.size().height()) |
|
459
|
|
|
self.settings.setValue("main_window_state", self.saveState()) |
|
460
|
|
|
self.settings.setValue("splitter_left", self.ui.splitterLeft.saveState()) |
|
461
|
|
|
self.settings.setValue("splitter_right", self.ui.splitterRight.saveState()) |
|
462
|
|
|
self.settings.setValue("splitter_center", self.ui.splitterCenter.saveState()) |
|
463
|
|
|
self.model_mgr.server_mgr.close() |
|
464
|
|
|
event.accept() |
|
465
|
|
|
|
|
466
|
|
|
|
|
467
|
|
|
def main(): |
|
468
|
|
|
app = QApplication(sys.argv) |
|
469
|
|
|
modeler = UaModeler() |
|
470
|
|
|
handler = QtHandler(modeler.ui.logTextEdit) |
|
471
|
|
|
logging.getLogger().addHandler(handler) |
|
472
|
|
|
logging.getLogger("uamodeler").setLevel(logging.INFO) |
|
473
|
|
|
logging.getLogger("uawidgets").setLevel(logging.INFO) |
|
474
|
|
|
#logging.getLogger("opcua").setLevel(logging.INFO) # to enable logging of ua server |
|
475
|
|
|
modeler.show() |
|
476
|
|
|
sys.exit(app.exec_()) |
|
477
|
|
|
|
|
478
|
|
|
|
|
479
|
|
|
if __name__ == "__main__": |
|
480
|
|
|
main() |
|
481
|
|
|
|
FreeOpcUa /
opcua-modeler
