split dialogs and war/campaign/round classes to files

src/warchron/view/war_dialog.py

@@ -0,0 +1,24 @@
+from PyQt6.QtWidgets import QWidget, QDialog
+
+from warchron.view.ui.ui_war_dialog import Ui_warDialog
+
+
+class WarDialog(QDialog):
+    def __init__(
+        self,
+        parent: QWidget | None = None,
+        default_name: str = "",
+        default_year: int | None = None,
+    ) -> None:
+        super().__init__(parent)
+        self.ui: Ui_warDialog = Ui_warDialog()
+        self.ui.setupUi(self)  # type: ignore
+        self.ui.warName.setText(default_name)
+        if default_year is not None:
+            self.ui.warYear.setValue(default_year)
+
+    def get_war_name(self) -> str:
+        return self.ui.warName.text().strip()
+
+    def get_war_year(self) -> int:
+        return int(self.ui.warYear.value())