Fixed some bugs

BEdit/src/bedit/gui/controllers/commands.py

@@ -304,6 +304,20 @@ class RenameConnectionCommand(QUndoCommand):
         self.controller._rename_connection(self.owner_id, self.connection_id, self.old)
 
 
+class RenameDocumentCommand(QUndoCommand):
+    def __init__(self, controller, old: str, new: str) -> None:
+        super().__init__("Rename document")
+        self.controller = controller
+        self.old = old
+        self.new = new
+
+    def redo(self) -> None:
+        self.controller._rename_document(self.new)
+
+    def undo(self) -> None:
+        self.controller._rename_document(self.old)
+
+
 class DeleteSelectionCommand(QUndoCommand):
     def __init__(
         self,

BEdit/src/bedit/gui/controllers/document.py

@@ -23,6 +23,7 @@ from bedit.gui.controllers.commands import (
     MoveInterfacePortCommand,
     PasteSelectionCommand,
     RenameConnectionCommand,
+    RenameDocumentCommand,
     RenameInterfacePortCommand,
     ReplaceSourceCommand,
     RotateComponentsCommand,
@@ -50,6 +51,7 @@ from bedit.gui.preferences import application_settings
 class DocumentController(QObject):
     documentReset = Signal()
     documentOpenedChanged = Signal(bool)
+    documentNameChanged = Signal(str)
     activeGraphChanged = Signal()
     componentAdded = Signal(str)
     componentRemoved = Signal(str)
@@ -228,10 +230,19 @@ class DocumentController(QObject):
                 {component_id: component},
                 connections,
                 [],
-                [],
             )
         )
 
+    def rename_document(self, name: str) -> None:
+        if self.document is None:
+            return
+        name = name.strip()
+        if not name:
+            raise ValueError("The document name cannot be empty")
+        old = str(self.document.metadata.get("name") or "Current Document")
+        if name != old:
+            self.undo_stack.push(RenameDocumentCommand(self, old, name))
+
     def add_component_copy(self, source: Component, position: QPointF) -> str:
         if self.active_component is None or self.active_component.implementation_kind != "graph":
             raise ValueError("Open a graph component before placing components")
@@ -1374,6 +1385,12 @@ class DocumentController(QObject):
             connection.name = name
             self.documentReset.emit()
 
+    def _rename_document(self, name: str) -> None:
+        if self.document is None:
+            return
+        self.document.metadata["name"] = name
+        self.documentNameChanged.emit(name)
+
     def _replace_source(self, component_id: str, source: dict) -> None:
         if self.document is None:
             return

BEdit/src/bedit/gui/models/library_tree.py

@@ -1,6 +1,6 @@
 import json
 
-from PySide6.QtCore import QByteArray, QMimeData, QModelIndex, Qt, Signal
+from PySide6.QtCore import QByteArray, QMimeData, QModelIndex, QSignalBlocker, Qt, Signal
 from PySide6.QtGui import QStandardItem, QStandardItemModel
 
 from bedit.core.model import Component
@@ -80,8 +80,24 @@ class DocumentTreeModel(LibraryTreeModel):
         controller.componentMoved.connect(lambda _component_id, _position: self.rebuild())
         controller.connectionAdded.connect(lambda _connection_id: self.rebuild())
         controller.connectionRemoved.connect(lambda _connection_id: self.rebuild())
+        controller.documentNameChanged.connect(self._document_name_changed)
+        self.itemChanged.connect(self._document_item_changed)
         self.rebuild()
 
+    def _document_item_changed(self, item: QStandardItem) -> None:
+        if item.data(ITEM_KIND_ROLE) != "current-document":
+            return
+        try:
+            self.controller.rename_document(item.text())
+        except ValueError:
+            self.rebuild()
+
+    def _document_name_changed(self, name: str) -> None:
+        root = self.item(0)
+        if root is not None:
+            with QSignalBlocker(self):
+                root.setText(name)
+
     def rebuild(self) -> None:
         self.clear()
         self.setHorizontalHeaderLabels(["Document"])