# -*- coding: utf-8 -*- """详情面板：展示所选资产的完整元信息与预览，并提供操作按钮。""" from __future__ import annotations import os from pathlib import Path from PySide6.QtCore import Qt, Signal from PySide6.QtWidgets import ( QFrame, QHBoxLayout, QLabel, QPushButton, QScrollArea, QSizePolicy, QTabWidget, QVBoxLayout, QWidget, ) from .. import thumbnail as thumb_mod from ..models import Asset, AssetType from .theme import ACCENT, BG_CARD, BG_INPUT, BG_PANEL, BORDER, FG, FG_DIM, FG_FAINT from .viewer import AudioPlayer, ImageViewer, TextViewer from .widgets import type_badge_label SECTION_QSS = f"color: {FG_FAINT}; font-size: 10px; font-weight: 600; letter-spacing: 1px;" class DetailPanel(QScrollArea): """右侧详情面板。""" edit_requested = Signal(int) delete_requested = Signal(int) open_file = Signal(str) open_folder = Signal(str) navigate = Signal(int) # 翻页预览（同系列同类型上下页） def __init__(self, thumb_root: Path | None = None, parent=None): super().__init__(parent) self.setWidgetResizable(True) self.setFixedWidth(320) self.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff) self.thumb_root = thumb_root inner = QWidget() inner.setStyleSheet(f"background: {BG_PANEL};") root = QVBoxLayout(inner) root.setContentsMargins(14, 12, 14, 12) root.setSpacing(8) # ── 标题 ── self.title = QLabel("", inner) self.title.setWordWrap(True) self.title.setStyleSheet(f"color: {FG}; font-size: 16px; font-weight: 700;") root.addWidget(self.title) # ── 类型徽章 + 状态 ── self.badge_row = QHBoxLayout() self.badge_row.setSpacing(6) self.status_lbl = QLabel("", inner) self.status_lbl.setStyleSheet(f"color: {FG_FAINT}; font-size: 10px;") root.addLayout(self.badge_row) # ── 预览区（Tab：图片 / 音频 / 文本）── self.tabs = QTabWidget() self.tabs.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding) self.tabs.setMinimumHeight(180) self.tabs.setStyleSheet(f""" QTabWidget::pane {{ border: 1px solid {BORDER}; border-radius: 8px; background: {BG_INPUT}; }} QTabBar::tab {{ background: transparent; color: {FG_DIM}; padding: 6px 12px; border: none; border-bottom: 2px solid transparent; font-size: 12px; }} QTabBar::tab:selected {{ color: {FG}; border-bottom: 2px solid {ACCENT}; }} QTabBar::tab:hover {{ color: {FG}; }} """) self.image_view = ImageViewer() self.audio_player = AudioPlayer() self.text_view = TextViewer() self.tabs.addTab(self.image_view, "图片") self.tabs.addTab(self.audio_player, "音频") self.tabs.addTab(self.text_view, "文本") root.addWidget(self.tabs, 1) # ── 描述 ── self.desc_section = self._section("描述") root.addWidget(self.desc_section) self.desc = QLabel("—", inner) self.desc.setWordWrap(True) self.desc.setStyleSheet(f"color: {FG_DIM}; font-size: 12px; padding: 0 2px;") root.addWidget(self.desc) # ── 标签 ── self.tags_section = self._section("标签") root.addWidget(self.tags_section) self.tags_row = QWidget(inner) self.tags_lay = QHBoxLayout(self.tags_row) self.tags_lay.setContentsMargins(0, 0, 0, 0) root.addWidget(self.tags_row) # ── 属性表（只显示有值的行，保持简洁）── root.addWidget(self._section("属性")) self.props = QFrame(inner) self.props.setObjectName("Card") self.props.setStyleSheet( f"QFrame#Card {{ background: {BG_CARD}; border: 1px solid {BORDER};" f" border-radius: 8px; }}" ) self.props_lay = QVBoxLayout(self.props) self.props_lay.setContentsMargins(10, 6, 10, 6) self.props_lay.setSpacing(2) self._prop_rows: dict[str, tuple[QWidget, QLabel]] = {} for key in ("系列", "章节", "页序", "文件", "大小", "尺寸", "时长", "创建", "修改"): row = QWidget(self.props) rl = QHBoxLayout(row) rl.setContentsMargins(0, 3, 0, 3) rl.setSpacing(8) k = QLabel(key, row) k.setFixedWidth(30) k.setStyleSheet(f"color: {FG_FAINT}; font-size: 11px;") v = QLabel("—", row) v.setWordWrap(True) v.setTextInteractionFlags(Qt.TextInteractionFlag.TextSelectableByMouse) v.setStyleSheet(f"color: {FG}; font-size: 11px;") rl.addWidget(k) rl.addWidget(v, 1) self.props_lay.addWidget(row) self._prop_rows[key] = (row, v) root.addWidget(self.props) # ── 操作按钮 ── btns = QWidget(inner) bl = QVBoxLayout(btns) bl.setContentsMargins(0, 2, 0, 0) bl.setSpacing(6) self.btn_edit = QPushButton("✎ 编辑元数据") self.btn_edit.setObjectName("Ghost") self.btn_edit.clicked.connect(lambda: self.edit_requested.emit(self._asset.id)) self.btn_open = QPushButton("↗ 打开文件") self.btn_open.setObjectName("Ghost") self.btn_open.clicked.connect(lambda: self.open_file.emit(self._asset.file_path)) self.btn_folder = QPushButton("📁 显示在文件夹") self.btn_folder.setObjectName("Ghost") self.btn_folder.clicked.connect(lambda: self.open_folder.emit( os.path.dirname(self._asset.file_path))) self.btn_delete = QPushButton("🗑 删除资产") self.btn_delete.setObjectName("Danger") self.btn_delete.clicked.connect(lambda: self.delete_requested.emit(self._asset.id)) for b in (self.btn_edit, self.btn_open, self.btn_folder): bl.addWidget(b) self.btn_delete.setMinimumHeight(30) bl.addWidget(self.btn_delete) root.addWidget(btns) root.addStretch(1) self.setWidget(inner) self._asset = Asset(type=AssetType.COMIC_PAGE) def _section(self, text: str) -> QLabel: lbl = QLabel(text) lbl.setStyleSheet(SECTION_QSS) return lbl # ------------------------------------------------------------------ def show_asset(self, asset: Asset | None, series_name: str = "", chapter_label: str = ""): """显示一个资产的详情；asset 为 None 时显示空态。""" self._asset = asset or Asset(type=AssetType.COMIC_PAGE) a = self._asset if asset is None: self.title.setText("未选择资产") self.title.setStyleSheet(f"color: {FG_FAINT}; font-size: 16px;") self.desc.setText("—") self.desc_section.setVisible(False) self.desc.setVisible(False) self.tags_section.setVisible(False) self.tags_row.setVisible(False) self.tabs.setEnabled(False) self.btn_edit.setEnabled(False) self.btn_open.setEnabled(False) self.btn_folder.setEnabled(False) self.btn_delete.setEnabled(False) self._clear_props() return self.tabs.setEnabled(True) for b in (self.btn_edit, self.btn_delete): b.setEnabled(True) self.btn_open.setEnabled(bool(a.file_path) and os.path.exists(a.file_path)) self.btn_folder.setEnabled(bool(a.file_path)) self.title.setText(a.title or "(无标题)") self.title.setStyleSheet(f"color: {FG}; font-size: 16px; font-weight: 700;") # 徽章重建（保留 status_lbl，只替换 badge） while self.badge_row.count(): item = self.badge_row.takeAt(0) w = item.widget() if w is not None and w is not self.status_lbl: w.deleteLater() self.badge_row.addWidget(type_badge_label(a)) self.badge_row.addStretch(1) self.badge_row.addWidget(self.status_lbl) # 描述（无内容时折叠） has_desc = bool(a.description) self.desc_section.setVisible(has_desc) self.desc.setVisible(has_desc) self.desc.setText(a.description if has_desc else "—") # 标签（无内容时折叠） self.tags_section.setVisible(bool(a.tags)) self.tags_row.setVisible(bool(a.tags)) self._render_tags(a.tags) # 预览 if a.type == AssetType.AUDIO: self.tabs.setCurrentIndex(1) self.audio_player.load(a.file_path) elif a.is_text: self.tabs.setCurrentIndex(2) self.text_view.set_text(a.content or a.description) else: self.tabs.setCurrentIndex(0) if a.file_path and os.path.exists(a.file_path): self.image_view.show_image(a.file_path) # 属性 info = thumb_mod.describe_file(a.file_path) if a.file_path else {} import datetime fmt = lambda ts: datetime.datetime.fromtimestamp(ts).strftime("%Y-%m-%d %H:%M") self._set_props({ "系列": series_name or "—", "章节": chapter_label or "—", "页序": str(a.page_index) if a.page_index is not None else "—", "文件": os.path.basename(a.file_path) if a.file_path else "—", "大小": info.get("size", "—"), "尺寸": info.get("dimensions", "—"), "时长": info.get("duration", "—"), "创建": fmt(a.created_at), "修改": fmt(a.updated_at), }) self.status_lbl.setText(f"ID {a.id}" if a.id else "") # ------------------------------------------------------------------ def _render_tags(self, tags: list[str]): while self.tags_lay.count(): item = self.tags_lay.takeAt(0) w = item.widget() if w: w.deleteLater() if not tags: lbl = QLabel("—") lbl.setStyleSheet(f"color: {FG_FAINT}; font-size: 12px;") self.tags_lay.addWidget(lbl) else: from .widgets import make_tag_chips self.tags_lay.addWidget(make_tag_chips(tags)) def _set_props(self, values: dict[str, str]): """设置属性值；空值行自动隐藏以保持简洁，属性表整体为空时隐藏。""" any_visible = False for key, (row, lbl) in self._prop_rows.items(): val = values.get(key, "—") visible = val != "—" lbl.setText(val) row.setVisible(visible) any_visible = any_visible or visible self.props.setVisible(any_visible) def _clear_props(self): for row, lbl in self._prop_rows.values(): lbl.setText("—") row.setVisible(False) self.props.setVisible(False)