Add Dispatch_V0.1.1

Dispatch_V0.1.1/ui/pages/document_browser_page.py

@@ -0,0 +1,153 @@
+# -*- coding: utf-8 -*-
+# hub/ticket/ui/pages/document_browser_page.py
+
+"""Общая страница просмотра документов Ticket."""
+
+from __future__ import annotations
+
+from gui.components import Button, Label, TextInput
+from gui.containers import HContainer, SContainer, VContainer
+
+from application import TaskApplicationService
+from domain import TicketDocumentSnapshot
+from ui.ticket_selection_list import TicketSelectionEntry, TicketSelectionList
+from .report_viewer import ReportViewer
+
+
+class DocumentBrowserPage(SContainer):
+    """Базовая страница списка документов и предпросмотра."""
+
+    def __init__(
+        self,
+        application: TaskApplicationService,
+        title: str,
+        empty_message: str,
+        document_type: str,
+        parent=None,
+    ):
+        super().__init__(width_percent=100, height_percent=100, parent=parent)
+        self._application = application
+        self._title = title
+        self._empty_message = empty_message
+        self._document_type = document_type
+        self._documents: dict[str, TicketDocumentSnapshot] = {}
+        self._list_widget: TicketSelectionList | None = None
+        self._preview: TextInput | None = None
+        self._open_button: Button | None = None
+        self._setup_ui()
+        self._connect_signals()
+        self._reload_documents()
+
+    def _setup_ui(self) -> None:
+        # Root-контейнер страницы документов: заголовок плюс двухпанельная область.
+        main_container = VContainer(margin=12, spacing=10, parent=self)
+        title_label = Label(self._title, alignment="left", style="TICKET_LIST_HEADER")
+        # Content-row документов: раскладывает список документов и их предпросмотр.
+        content_row = HContainer(spacing=10, parent=main_container)
+
+        # Левая панель списка документов
+        list_panel = SContainer(style="TICKET_LIST_CONTAINER")
+        # List-layout: внутренний контейнер заголовка и списка документов.
+        list_layout = VContainer(margin=12, spacing=8, parent=list_panel)
+        list_title_label = Label("Список документов", 
+                                 margin=[0, 0, 0, 8],
+                                 alignment="left", 
+                                 style="TICKET_LIST_TITLE")
+        
+        self._list_widget = TicketSelectionList()
+        list_layout.add_widget(list_title_label)
+        list_layout.add_widget(self._list_widget)
+
+        # Правая панель предпросмотра
+        preview_panel = SContainer(style="TICKET_LIST_CONTAINER")
+        # Preview-layout: внутренний контейнер заголовка, preview-поля и кнопки открытия.
+        preview_layout = VContainer(margin=12, spacing=8, parent=preview_panel)
+        preview_title_label = Label("Предпросмотр", alignment="left", style="TICKET_LIST_TITLE")
+        self._preview = TextInput(style="TICKET_PREVIEW_AREA", multiline=True)
+        self._preview.set_read_only(True)
+        self._open_button = Button("Открыть документ", style="FILTER_BUTTON", content_fit=True)
+        self._open_button.set_enabled(False)
+        preview_layout.add_widget(preview_title_label)
+        preview_layout.add_widget(self._preview)
+        preview_layout.add_widget(self._open_button)
+
+        content_row.add_widget_with_stretch(list_panel, 4)
+        content_row.add_widget_with_stretch(preview_panel, 7)
+        main_container.add_widget(title_label)
+        main_container.add_widget(content_row)
+
+    def _connect_signals(self) -> None:
+        # Application-состояние
+        self._application.task_updated.connect(self._reload_documents)
+        self._application.state_loaded.connect(self._reload_documents)
+
+        # UI-события страницы
+        if self._list_widget is not None:
+            self._list_widget.selection_changed.connect(self._update_preview)
+            self._list_widget.item_activated.connect(self._open_current_document)
+        if self._open_button is not None:
+            self._open_button.clicked.connect(self._open_current_document)
+
+    def _reload_documents(self, *_args) -> None:
+        if self._list_widget is None or self._preview is None:
+            return
+        current_document_id = self._current_document_id()
+        self._documents = {
+            document.document_id: document
+            for document in self._application.list_documents(self._document_type)
+        }
+        entries = [
+            TicketSelectionEntry(
+                entry_id=document.document_id,
+                title=document.title,
+                subtitle=document.created_at.strftime("%d.%m.%Y %H:%M"),
+            )
+            for document in self._documents.values()
+        ]
+        self._list_widget.set_entries(entries)
+        if not self._documents:
+            self._preview.set_text(self._empty_message)
+            if self._open_button is not None:
+                self._open_button.set_enabled(False)
+            return
+        self._restore_selection(current_document_id)
+        self._update_preview()
+
+    def _restore_selection(self, document_id: str | None) -> None:
+        if self._list_widget is None:
+            return
+        self._list_widget.set_current_entry(document_id)
+
+    def _update_preview(self, *_args) -> None:
+        if self._preview is None:
+            return
+        document = self._current_document()
+        if document is None:
+            self._preview.set_text(self._empty_message)
+            if self._open_button is not None:
+                self._open_button.set_enabled(False)
+            return
+        self._preview.set_text(document.content or document.summary or document.title)
+        if self._open_button is not None:
+            self._open_button.set_enabled(True)
+
+    def _current_document(self) -> TicketDocumentSnapshot | None:
+        document_id = self._current_document_id()
+        if document_id is None:
+            return None
+        return self._documents.get(document_id)
+
+    def _current_document_id(self) -> str | None:
+        if self._list_widget is None:
+            return None
+        entry_id = self._list_widget.current_entry_id()
+        return str(entry_id) if entry_id is not None else None
+
+    def _open_current_document(self, *_args) -> None:
+        document = self._current_document()
+        if document is not None:
+            ReportViewer(document, parent=self).exec()
+
+    def showEvent(self, event) -> None:
+        super().showEvent(event)
+        self._reload_documents()