feat: 实现 PDD 任务列表 UI (#4)
This commit is contained in:
chengma
+505
-48
@@ -25,83 +25,540 @@
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“开始自动获取”。其余操作全部只读本地数据库。
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"""
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from dataclasses import dataclass
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from typing import Iterable, Optional
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from PyQt5.QtCore import QAbstractTableModel, QModelIndex, Qt, pyqtSignal
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from PyQt5.QtGui import QKeySequence
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from PyQt5.QtWidgets import (
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QAbstractItemView,
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QGridLayout,
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QHeaderView,
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QHBoxLayout,
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QSizePolicy,
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QShortcut,
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QStackedWidget,
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QVBoxLayout,
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QWidget,
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)
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from qfluentwidgets import (
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BodyLabel,
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CaptionLabel,
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CardWidget,
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ComboBox,
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FluentIcon as FIF,
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LineEdit,
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PrimaryPushButton,
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PushButton,
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SearchLineEdit,
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SubtitleLabel,
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TableView,
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TitleLabel,
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)
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PAGE_SIZE = 50
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DETAIL_COLUMN = 8
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REMOTE_TASK_ID_ROLE = Qt.UserRole + 1
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@dataclass(frozen=True)
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class TaskRow:
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"""任务表格的一行，只保存列表展示和搜索需要的字段。"""
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remote_task_id: str
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task_type: str
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goods_id: str = ""
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title: str = ""
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color: str = ""
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size: str = ""
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price_cents: Optional[int] = None
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price_is_starting: bool = False
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quantity: Optional[int] = None
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status: str = "待执行"
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updated_at: str = ""
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class TaskTableModel(QAbstractTableModel):
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"""PDD 任务表格模型，当前使用内存数据模拟 Repository 查询结果。"""
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HEADERS = (
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"任务类型",
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"商品标题",
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"颜色",
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"尺码",
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"价格",
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"数量",
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"状态",
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"更新时间",
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"操作",
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)
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def __init__(self, parent=None):
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super().__init__(parent)
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self._source_rows: list[TaskRow] = []
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self._filtered_rows: list[TaskRow] = []
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self._rows: list[TaskRow] = []
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self._task_type = "全部"
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self._status = "全部"
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self._keyword = ""
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self._sort_column = 7
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self._sort_order = Qt.DescendingOrder
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def rowCount(self, parent=QModelIndex()) -> int:
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return 0 if parent.isValid() else len(self._rows)
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def columnCount(self, parent=QModelIndex()) -> int:
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return 0 if parent.isValid() else len(self.HEADERS)
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def headerData(self, section, orientation, role=Qt.DisplayRole):
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if orientation == Qt.Horizontal and role == Qt.DisplayRole:
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return self.HEADERS[section]
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return super().headerData(section, orientation, role)
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def data(self, index, role=Qt.DisplayRole):
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if not index.isValid() or not 0 <= index.row() < len(self._rows):
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return None
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task = self._rows[index.row()]
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column = index.column()
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if role == Qt.DisplayRole:
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return self._display_value(task, column)
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if role == Qt.TextAlignmentRole:
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if column in (0, 6, 8):
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return Qt.AlignCenter
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if column in (4, 5):
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return Qt.AlignRight | Qt.AlignVCenter
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return Qt.AlignLeft | Qt.AlignVCenter
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if role == Qt.ToolTipRole:
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if column == 1:
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return task.title or "尚未获取标题"
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if column == DETAIL_COLUMN:
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return f"查看任务 {task.remote_task_id} 的详情"
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if role == REMOTE_TASK_ID_ROLE:
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return task.remote_task_id
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return None
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def flags(self, index):
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if not index.isValid():
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return Qt.NoItemFlags
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return Qt.ItemIsEnabled | Qt.ItemIsSelectable
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def canFetchMore(self, parent=QModelIndex()) -> bool:
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"""告诉 Qt 内存结果中是否还有下一页。"""
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return not parent.isValid() and len(self._rows) < len(self._filtered_rows)
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def fetchMore(self, parent=QModelIndex()) -> None:
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"""每次再展示最多 50 行，模拟后续 Repository 的分页行为。"""
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if parent.isValid() or not self.canFetchMore(parent):
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return
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start = len(self._rows)
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end = min(start + PAGE_SIZE, len(self._filtered_rows))
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self.beginInsertRows(QModelIndex(), start, end - 1)
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self._rows.extend(self._filtered_rows[start:end])
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self.endInsertRows()
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def sort(self, column, order=Qt.AscendingOrder) -> None:
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if not 0 <= column < len(self.HEADERS):
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return
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loaded_count = max(PAGE_SIZE, len(self._rows))
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self.beginResetModel()
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self._sort_column = column
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self._sort_order = order
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self._sort_filtered_rows()
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self._rows = self._filtered_rows[:loaded_count]
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self.endResetModel()
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def set_tasks(self, tasks: Iterable[TaskRow]) -> None:
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"""替换内存任务列表；后续由 Repository 查询结果调用。"""
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self.beginResetModel()
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self._source_rows = list(tasks)
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self._rebuild_filtered_rows()
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self._rows = self._filtered_rows[:PAGE_SIZE]
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self.endResetModel()
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def apply_filters(self, task_type: str, status: str, keyword: str) -> None:
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"""按类型、状态和关键词同时筛选当前内存任务。"""
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self.beginResetModel()
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self._task_type = task_type
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self._status = status
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self._keyword = keyword.strip().casefold()
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self._rebuild_filtered_rows()
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self._rows = self._filtered_rows[:PAGE_SIZE]
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self.endResetModel()
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def row_at(self, row: int) -> Optional[TaskRow]:
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"""根据当前可见行获取任务，越界时返回 None。"""
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if 0 <= row < len(self._rows):
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return self._rows[row]
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return None
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def find_row(self, remote_task_id: str) -> int:
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"""根据稳定任务编号查找当前已加载行。"""
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for row, task in enumerate(self._rows):
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if task.remote_task_id == remote_task_id:
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return row
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return -1
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def filtered_count(self) -> int:
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return len(self._filtered_rows)
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def _rebuild_filtered_rows(self) -> None:
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self._filtered_rows = [
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task for task in self._source_rows if self._matches_filters(task)
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]
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self._sort_filtered_rows()
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def _matches_filters(self, task: TaskRow) -> bool:
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if self._task_type != "全部" and task.task_type != self._task_type:
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return False
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if self._status != "全部" and task.status != self._status:
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return False
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if not self._keyword:
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return True
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searchable_text = " ".join(
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(task.remote_task_id, task.goods_id, task.title)
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).casefold()
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return self._keyword in searchable_text
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def _sort_filtered_rows(self) -> None:
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reverse = self._sort_order == Qt.DescendingOrder
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self._filtered_rows.sort(
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key=lambda task: self._sort_value(task, self._sort_column),
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reverse=reverse,
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)
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@staticmethod
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def _sort_value(task: TaskRow, column: int):
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values = (
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task.task_type,
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task.title,
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task.color,
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task.size,
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task.price_cents if task.price_cents is not None else -1,
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task.quantity if task.quantity is not None else -1,
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task.status,
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task.updated_at,
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task.remote_task_id,
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)
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value = values[column]
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return value.casefold() if isinstance(value, str) else value
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@staticmethod
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def _display_value(task: TaskRow, column: int) -> str:
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if column == 0:
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return task.task_type
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if column == 1:
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return task.title or "尚未获取标题"
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if column == 2:
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return task.color or "—"
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if column == 3:
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return task.size or "—"
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if column == 4:
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if task.price_cents is None:
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return "—"
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suffix = " 起" if task.price_is_starting else ""
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return f"¥{task.price_cents / 100:.2f}{suffix}"
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if column == 5:
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return "—" if task.quantity is None else str(task.quantity)
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if column == 6:
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return task.status
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if column == 7:
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return task.updated_at or "—"
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return "详情"
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class PDDTaskPage(QWidget):
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"""商品与规格配置页。"""
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"""展示、筛选本机任务，并把用户操作转发给事件层。"""
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autoFetchRequested = pyqtSignal()
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searchRequested = pyqtSignal(dict)
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refreshRequested = pyqtSignal()
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detailRequested = pyqtSignal(str)
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def __init__(self, parent=None):
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super().__init__(parent)
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self.setObjectName("pddTaskPage")
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self.goodsInput = LineEdit(self)
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self.goodsInput.setPlaceholderText("输入拼多多商品链接或商品 ID")
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self.goodsInput.setClearButtonEnabled(True)
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self.goodsInput.setAccessibleName("商品链接或商品 ID")
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self.taskModel = TaskTableModel(self)
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self._build_command_area()
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self._build_content_area()
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self._build_status_area()
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self._build_page_layout()
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self._connect_ui_events()
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self._update_empty_state()
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self.colorInput = LineEdit(self)
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self.colorInput.setPlaceholderText("例如：黑色")
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self.colorInput.setClearButtonEnabled(True)
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self.colorInput.setAccessibleName("目标颜色")
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def _build_command_area(self) -> None:
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self.autoFetchButton = PrimaryPushButton(
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FIF.PLAY, "开始自动获取", self
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)
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self.autoFetchButton.setMinimumWidth(132)
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self.autoFetchButton.setAccessibleName("开始自动获取 PDD 任务")
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self.sizeInput = LineEdit(self)
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self.sizeInput.setPlaceholderText("例如：L")
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self.sizeInput.setClearButtonEnabled(True)
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self.sizeInput.setAccessibleName("目标尺码")
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self.taskTypeCombo = ComboBox(self)
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self.taskTypeCombo.addItems(("全部", "采集", "采购"))
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self.taskTypeCombo.setMinimumWidth(100)
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self.taskTypeCombo.setAccessibleName("任务类型")
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self.startButton = PrimaryPushButton(FIF.PLAY, "开始任务", self)
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self.startButton.setAccessibleName("开始自动购买任务")
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self.statusLabel = CaptionLabel("等待启动", self)
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self.statusCombo = ComboBox(self)
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self.statusCombo.addItems(
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("全部", "待执行", "执行中", "已完成", "失败", "需要人工处理")
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)
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self.statusCombo.setMinimumWidth(130)
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self.statusCombo.setAccessibleName("任务状态")
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card = CardWidget(self)
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card.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
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cardLayout = QVBoxLayout(card)
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cardLayout.setContentsMargins(24, 20, 24, 22)
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cardLayout.setSpacing(12)
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cardLayout.addWidget(SubtitleLabel("创建任务", card))
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cardLayout.addWidget(CaptionLabel("商品链接 / ID", card))
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cardLayout.addWidget(self.goodsInput)
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self.keywordInput = SearchLineEdit(self)
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self.keywordInput.setPlaceholderText("任务编号、商品编号或商品标题")
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self.keywordInput.setClearButtonEnabled(True)
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self.keywordInput.setMinimumWidth(240)
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self.keywordInput.setAccessibleName("任务关键词")
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specLayout = QGridLayout()
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specLayout.setHorizontalSpacing(16)
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specLayout.setVerticalSpacing(8)
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specLayout.addWidget(CaptionLabel("颜色", card), 0, 0)
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specLayout.addWidget(CaptionLabel("尺码", card), 0, 1)
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specLayout.addWidget(self.colorInput, 1, 0)
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specLayout.addWidget(self.sizeInput, 1, 1)
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specLayout.setColumnStretch(0, 1)
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specLayout.setColumnStretch(1, 1)
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cardLayout.addLayout(specLayout)
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self.searchButton = PushButton(FIF.SEARCH, "搜索", self)
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self.searchButton.setAccessibleName("搜索本地任务")
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actionLayout = QHBoxLayout()
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actionLayout.setContentsMargins(0, 6, 0, 0)
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actionLayout.addWidget(self.statusLabel)
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actionLayout.addStretch(1)
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actionLayout.addWidget(self.startButton)
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cardLayout.addLayout(actionLayout)
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self.refreshButton = PushButton(FIF.SYNC, "刷新", self)
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self.refreshButton.setAccessibleName("刷新本地任务表格")
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self.commandCard = CardWidget(self)
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commandLayout = QGridLayout(self.commandCard)
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commandLayout.setContentsMargins(20, 16, 20, 18)
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commandLayout.setHorizontalSpacing(12)
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commandLayout.setVerticalSpacing(6)
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commandLayout.addWidget(CaptionLabel("任务类型", self.commandCard), 0, 1)
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commandLayout.addWidget(CaptionLabel("任务状态", self.commandCard), 0, 2)
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commandLayout.addWidget(CaptionLabel("关键词", self.commandCard), 0, 3)
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commandLayout.addWidget(self.autoFetchButton, 1, 0)
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commandLayout.addWidget(self.taskTypeCombo, 1, 1)
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commandLayout.addWidget(self.statusCombo, 1, 2)
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commandLayout.addWidget(self.keywordInput, 1, 3)
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commandLayout.addWidget(self.searchButton, 1, 4)
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commandLayout.addWidget(self.refreshButton, 1, 5)
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commandLayout.setColumnStretch(3, 1)
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def _build_content_area(self) -> None:
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self.taskTable = TableView(self)
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self.taskTable.setModel(self.taskModel)
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self.taskTable.setAccessibleName("本机 PDD 任务列表")
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self.taskTable.setSelectionBehavior(QAbstractItemView.SelectRows)
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self.taskTable.setSelectionMode(QAbstractItemView.SingleSelection)
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self.taskTable.setEditTriggers(QAbstractItemView.NoEditTriggers)
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self.taskTable.setAlternatingRowColors(True)
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self.taskTable.setWordWrap(False)
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self.taskTable.setSortingEnabled(True)
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self.taskTable.verticalHeader().setVisible(False)
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header = self.taskTable.horizontalHeader()
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header.setSectionResizeMode(QHeaderView.Interactive)
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header.setSectionResizeMode(1, QHeaderView.Stretch)
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header.setMinimumSectionSize(64)
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self.taskTable.setColumnWidth(0, 82)
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self.taskTable.setColumnWidth(2, 108)
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self.taskTable.setColumnWidth(3, 82)
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self.taskTable.setColumnWidth(4, 96)
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self.taskTable.setColumnWidth(5, 70)
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self.taskTable.setColumnWidth(6, 116)
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self.taskTable.setColumnWidth(7, 156)
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self.taskTable.setColumnWidth(8, 72)
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self.taskTable.sortByColumn(7, Qt.DescendingOrder)
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self.emptyPage = QWidget(self)
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emptyLayout = QVBoxLayout(self.emptyPage)
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emptyLayout.setContentsMargins(32, 32, 32, 32)
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emptyLayout.addStretch(1)
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self.emptyTitleLabel = SubtitleLabel("还没有领取过任务", self.emptyPage)
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self.emptyTitleLabel.setAlignment(Qt.AlignCenter)
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self.emptyMessageLabel = BodyLabel(
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"点击“开始自动获取”开始领取任务。", self.emptyPage
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)
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self.emptyMessageLabel.setAlignment(Qt.AlignCenter)
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self.emptyMessageLabel.setWordWrap(True)
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self.clearFiltersButton = PushButton("清除筛选条件", self.emptyPage)
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self.clearFiltersButton.setAccessibleName("清除全部任务筛选条件")
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clearButtonLayout = QHBoxLayout()
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clearButtonLayout.addStretch(1)
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clearButtonLayout.addWidget(self.clearFiltersButton)
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clearButtonLayout.addStretch(1)
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emptyLayout.addWidget(self.emptyTitleLabel)
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emptyLayout.addWidget(self.emptyMessageLabel)
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emptyLayout.addSpacing(8)
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emptyLayout.addLayout(clearButtonLayout)
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emptyLayout.addStretch(1)
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self.contentStack = QStackedWidget(self)
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self.contentStack.addWidget(self.taskTable)
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self.contentStack.addWidget(self.emptyPage)
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def _build_status_area(self) -> None:
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self.statusCard = CardWidget(self)
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statusLayout = QHBoxLayout(self.statusCard)
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statusLayout.setContentsMargins(16, 10, 16, 10)
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self.statusLabel = CaptionLabel(
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"自动获取：已停止 · 当前没有执行中的任务", self.statusCard
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)
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self.statusLabel.setTextInteractionFlags(Qt.TextSelectableByMouse)
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self.statusLabel.setAccessibleName("PDD 任务运行状态")
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statusLayout.addWidget(self.statusLabel, 1)
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def _build_page_layout(self) -> None:
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layout = QVBoxLayout(self)
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layout.setContentsMargins(36, 30, 36, 36)
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layout.setSpacing(16)
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layout.addWidget(TitleLabel("pdd任务", self))
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# description = BodyLabel("配置商品与目标规格，然后启动自动化任务。", self)
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||||
# description.setWordWrap(True)
|
||||
# layout.addWidget(description)
|
||||
layout.addWidget(card)
|
||||
layout.addStretch(1)
|
||||
layout.addWidget(TitleLabel("PDD 任务", self))
|
||||
layout.addWidget(self.commandCard)
|
||||
layout.addWidget(self.contentStack, 1)
|
||||
layout.addWidget(self.statusCard)
|
||||
|
||||
def _connect_ui_events(self) -> None:
|
||||
self.autoFetchButton.clicked.connect(self.autoFetchRequested.emit)
|
||||
self.searchButton.clicked.connect(self._apply_filters)
|
||||
self.keywordInput.returnPressed.connect(self._apply_filters)
|
||||
self.refreshButton.clicked.connect(self.refreshRequested.emit)
|
||||
self.clearFiltersButton.clicked.connect(self.clear_filters)
|
||||
self.taskTable.clicked.connect(self._on_table_clicked)
|
||||
self.taskTable.activated.connect(self._on_table_activated)
|
||||
|
||||
self.findShortcut = QShortcut(QKeySequence.Find, self)
|
||||
self.findShortcut.activated.connect(self.keywordInput.setFocus)
|
||||
|
||||
def set_tasks(self, tasks: Iterable[TaskRow]) -> None:
|
||||
"""显示任务数据，并尽量恢复原来选中的稳定任务编号。"""
|
||||
|
||||
current_task_id = self.current_task_id()
|
||||
self.taskModel.set_tasks(tasks)
|
||||
self._update_empty_state()
|
||||
self._restore_current_task(current_task_id)
|
||||
|
||||
def set_loading(self) -> None:
|
||||
"""显示正在读取本地任务的状态。"""
|
||||
|
||||
self._show_empty_state("正在加载任务", "正在读取本地任务，请稍候。", False)
|
||||
|
||||
def set_load_error(self, message: str) -> None:
|
||||
"""显示本地任务加载失败状态，不清除当前筛选条件。"""
|
||||
|
||||
self._show_empty_state(
|
||||
"任务加载失败",
|
||||
message or "无法读取本地任务，请检查日志后重试。",
|
||||
False,
|
||||
)
|
||||
|
||||
def set_auto_fetch_state(self, state: str) -> None:
|
||||
"""更新自动获取按钮；state 为 stopped/starting/running/stopping。"""
|
||||
|
||||
states = {
|
||||
"stopped": ("开始自动获取", FIF.PLAY, True),
|
||||
"starting": ("正在启动", FIF.SYNC, False),
|
||||
"running": ("停止自动获取", FIF.PAUSE, True),
|
||||
"stopping": ("正在停止", FIF.PAUSE, False),
|
||||
}
|
||||
text, icon, enabled = states.get(state, states["stopped"])
|
||||
self.autoFetchButton.setText(text)
|
||||
self.autoFetchButton.setIcon(icon)
|
||||
self.autoFetchButton.setEnabled(enabled)
|
||||
|
||||
def set_engine_status(self, text: str) -> None:
|
||||
"""更新页面底部的任务引擎状态说明。"""
|
||||
|
||||
self.statusLabel.setText(text or "自动获取：已停止 · 当前没有执行中的任务")
|
||||
|
||||
def clear_filters(self) -> None:
|
||||
"""清除全部搜索条件并恢复当前内存任务列表。"""
|
||||
|
||||
self.taskTypeCombo.setCurrentIndex(0)
|
||||
self.statusCombo.setCurrentIndex(0)
|
||||
self.keywordInput.clear()
|
||||
self._apply_filters()
|
||||
|
||||
def current_task_id(self) -> str:
|
||||
"""返回当前行的稳定任务编号，没有当前行时返回空字符串。"""
|
||||
|
||||
index = self.taskTable.currentIndex()
|
||||
task = self.taskModel.row_at(index.row()) if index.isValid() else None
|
||||
return task.remote_task_id if task else ""
|
||||
|
||||
def _apply_filters(self) -> None:
|
||||
current_task_id = self.current_task_id()
|
||||
filters = {
|
||||
"task_type": self.taskTypeCombo.currentText(),
|
||||
"status": self.statusCombo.currentText(),
|
||||
"keyword": self.keywordInput.text().strip(),
|
||||
}
|
||||
self.taskModel.apply_filters(
|
||||
filters["task_type"], filters["status"], filters["keyword"]
|
||||
)
|
||||
self._update_empty_state()
|
||||
self._restore_current_task(current_task_id)
|
||||
self.searchRequested.emit(filters)
|
||||
|
||||
def _on_table_clicked(self, index: QModelIndex) -> None:
|
||||
if index.column() == DETAIL_COLUMN:
|
||||
self._emit_detail(index)
|
||||
|
||||
def _on_table_activated(self, index: QModelIndex) -> None:
|
||||
self._emit_detail(index)
|
||||
|
||||
def _emit_detail(self, index: QModelIndex) -> None:
|
||||
task = self.taskModel.row_at(index.row())
|
||||
if task is not None:
|
||||
self.detailRequested.emit(task.remote_task_id)
|
||||
|
||||
def _restore_current_task(self, remote_task_id: str) -> None:
|
||||
if not remote_task_id:
|
||||
return
|
||||
|
||||
row = self.taskModel.find_row(remote_task_id)
|
||||
if row < 0:
|
||||
return
|
||||
|
||||
index = self.taskModel.index(row, 0)
|
||||
self.taskTable.setCurrentIndex(index)
|
||||
self.taskTable.selectRow(row)
|
||||
self.taskTable.scrollTo(index)
|
||||
|
||||
def _has_active_filters(self) -> bool:
|
||||
return (
|
||||
self.taskTypeCombo.currentIndex() != 0
|
||||
or self.statusCombo.currentIndex() != 0
|
||||
or bool(self.keywordInput.text().strip())
|
||||
)
|
||||
|
||||
def _update_empty_state(self) -> None:
|
||||
if self.taskModel.rowCount() > 0:
|
||||
self.contentStack.setCurrentWidget(self.taskTable)
|
||||
return
|
||||
|
||||
if self._has_active_filters():
|
||||
self._show_empty_state(
|
||||
"没有符合条件的任务",
|
||||
"请调整搜索条件，或者清除筛选后查看全部本地任务。",
|
||||
True,
|
||||
)
|
||||
return
|
||||
|
||||
self._show_empty_state(
|
||||
"还没有领取过任务",
|
||||
"点击“开始自动获取”开始领取任务。",
|
||||
False,
|
||||
)
|
||||
|
||||
def _show_empty_state(
|
||||
self, title: str, message: str, show_clear_button: bool
|
||||
) -> None:
|
||||
self.emptyTitleLabel.setText(title)
|
||||
self.emptyMessageLabel.setText(message)
|
||||
self.clearFiltersButton.setVisible(show_clear_button)
|
||||
self.contentStack.setCurrentWidget(self.emptyPage)
|
||||
|
||||
Reference in New Issue
Block a user