# Copyright: Ankitects Pty Ltd and contributors # License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html from __future__ import annotations import re from concurrent.futures import Future from enum import Enum, auto from typing import Dict, Iterable, List, Optional, Tuple, cast import aqt from anki.collection import Config, SearchJoiner, SearchNode from anki.decks import DeckTreeNode from anki.errors import DeckRenameError, InvalidInput from anki.tags import TagTreeNode from anki.types import assert_exhaustive from aqt import colors, gui_hooks from aqt.main import ResetReason from aqt.models import Models from aqt.qt import * from aqt.theme import ColoredIcon, theme_manager from aqt.utils import ( TR, askUser, getOnlyText, show_invalid_search_error, showInfo, showWarning, tr, ) class SidebarTool(Enum): SELECT = auto() SEARCH = auto() class SidebarItemType(Enum): ROOT = auto() SAVED_SEARCH_ROOT = auto() SAVED_SEARCH = auto() TODAY_ROOT = auto() TODAY = auto() FLAG_ROOT = auto() FLAG = auto() CARD_STATE_ROOT = auto() CARD_STATE = auto() DECK_ROOT = auto() DECK_CURRENT = auto() DECK = auto() NOTETYPE_ROOT = auto() NOTETYPE = auto() NOTETYPE_TEMPLATE = auto() TAG_ROOT = auto() TAG_NONE = auto() TAG = auto() CUSTOM = auto() @staticmethod def section_roots() -> Iterable[SidebarItemType]: return (type for type in SidebarItemType if type.name.endswith("_ROOT")) def is_section_root(self) -> bool: return self in self.section_roots() def is_editable(self) -> bool: return self in ( SidebarItemType.SAVED_SEARCH, SidebarItemType.DECK, SidebarItemType.TAG, SidebarItemType.NOTETYPE, SidebarItemType.NOTETYPE_TEMPLATE, ) def is_deletable(self) -> bool: return self in ( SidebarItemType.SAVED_SEARCH, SidebarItemType.DECK, SidebarItemType.TAG, ) class SidebarStage(Enum): ROOT = auto() SAVED_SEARCHES = auto() TODAY = auto() FLAGS = auto() CARD_STATE = auto() DECKS = auto() NOTETYPES = auto() TAGS = auto() class SidebarItem: def __init__( self, name: str, icon: Union[str, ColoredIcon], search_node: Optional[SearchNode] = None, on_expanded: Callable[[bool], None] = None, expanded: bool = False, item_type: SidebarItemType = SidebarItemType.CUSTOM, id: int = 0, full_name: str = None, ) -> None: self.name = name if not full_name: full_name = name self.full_name = full_name self.icon = icon self.item_type = item_type self.id = id self.search_node = search_node self.on_expanded = on_expanded self.children: List["SidebarItem"] = [] self.tooltip: Optional[str] = None self._parent_item: Optional["SidebarItem"] = None self._expanded = expanded self._row_in_parent: Optional[int] = None self._search_matches_self = False self._search_matches_child = False def add_child(self, cb: "SidebarItem") -> None: self.children.append(cb) cb._parent_item = self def add_simple( self, name: Union[str, TR.V], icon: Union[str, ColoredIcon], type: SidebarItemType, search_node: Optional[SearchNode], ) -> SidebarItem: "Add child sidebar item, and return it." if not isinstance(name, str): name = tr(name) item = SidebarItem( name=name, icon=icon, search_node=search_node, item_type=type, ) self.add_child(item) return item @property def expanded(self) -> bool: return self._expanded @expanded.setter def expanded(self, expanded: bool) -> None: if self.expanded != expanded: self._expanded = expanded if self.on_expanded: self.on_expanded(expanded) def show_expanded(self, searching: bool) -> bool: if not searching: return self.expanded if self._search_matches_child: return True # if search matches top level, expand children one level return self._search_matches_self and self.item_type.is_section_root() def is_highlighted(self) -> bool: return self._search_matches_self def search(self, lowered_text: str) -> bool: "True if we or child matched." self._search_matches_self = lowered_text in self.name.lower() self._search_matches_child = any( [child.search(lowered_text) for child in self.children] ) return self._search_matches_self or self._search_matches_child class SidebarModel(QAbstractItemModel): def __init__(self, sidebar: SidebarTreeView, root: SidebarItem) -> None: super().__init__() self.sidebar = sidebar self.root = root self._cache_rows(root) def _cache_rows(self, node: SidebarItem) -> None: "Cache index of children in parent." for row, item in enumerate(node.children): item._row_in_parent = row self._cache_rows(item) def item_for_index(self, idx: QModelIndex) -> SidebarItem: return idx.internalPointer() def index_for_item(self, item: SidebarItem) -> QModelIndex: return self.createIndex(item._row_in_parent, 0, item) def search(self, text: str) -> bool: return self.root.search(text.lower()) # Qt API ###################################################################### def rowCount(self, parent: QModelIndex = QModelIndex()) -> int: if not parent.isValid(): return len(self.root.children) else: item: SidebarItem = parent.internalPointer() return len(item.children) def columnCount(self, parent: QModelIndex = QModelIndex()) -> int: return 1 def index( self, row: int, column: int, parent: QModelIndex = QModelIndex() ) -> QModelIndex: if not self.hasIndex(row, column, parent): return QModelIndex() parentItem: SidebarItem if not parent.isValid(): parentItem = self.root else: parentItem = parent.internalPointer() item = parentItem.children[row] return self.createIndex(row, column, item) def parent(self, child: QModelIndex) -> QModelIndex: # type: ignore if not child.isValid(): return QModelIndex() childItem: SidebarItem = child.internalPointer() parentItem = childItem._parent_item if parentItem is None or parentItem == self.root: return QModelIndex() row = parentItem._row_in_parent return self.createIndex(row, 0, parentItem) def data(self, index: QModelIndex, role: int = Qt.DisplayRole) -> QVariant: if not index.isValid(): return QVariant() if role not in (Qt.DisplayRole, Qt.DecorationRole, Qt.ToolTipRole, Qt.EditRole): return QVariant() item: SidebarItem = index.internalPointer() if role in (Qt.DisplayRole, Qt.EditRole): return QVariant(item.name) if role == Qt.ToolTipRole: return QVariant(item.tooltip) return QVariant(theme_manager.icon_from_resources(item.icon)) def setData( self, index: QModelIndex, text: QVariant, _role: int = Qt.EditRole ) -> bool: return self.sidebar.rename_node(index.internalPointer(), text) def supportedDropActions(self) -> Qt.DropActions: return cast(Qt.DropActions, Qt.MoveAction) def flags(self, index: QModelIndex) -> Qt.ItemFlags: if not index.isValid(): return cast(Qt.ItemFlags, Qt.ItemIsEnabled) flags = Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsDragEnabled item: SidebarItem = index.internalPointer() if item.item_type in self.sidebar.valid_drop_types: flags |= Qt.ItemIsDropEnabled if item.item_type.is_editable(): flags |= Qt.ItemIsEditable return cast(Qt.ItemFlags, flags) class SidebarToolbar(QToolBar): _tools: Tuple[Tuple[SidebarTool, str, TR.V], ...] = ( (SidebarTool.SEARCH, ":/icons/magnifying_glass.svg", TR.ACTIONS_SEARCH), (SidebarTool.SELECT, ":/icons/select.svg", TR.ACTIONS_SELECT), ) def __init__(self, sidebar: SidebarTreeView) -> None: super().__init__() self.sidebar = sidebar self._action_group = QActionGroup(self) qconnect(self._action_group.triggered, self._on_action_group_triggered) self._setup_tools() self.setIconSize(QSize(16, 16)) self.setStyle(QStyleFactory.create("fusion")) def _setup_tools(self) -> None: for row, tool in enumerate(self._tools): action = self.addAction( theme_manager.icon_from_resources(tool[1]), tr(tool[2]) ) action.setCheckable(True) action.setShortcut(f"Alt+{row + 1}") self._action_group.addAction(action) saved = self.sidebar.col.get_config("sidebarTool", 0) active = saved if saved < len(self._tools) else 0 self._action_group.actions()[active].setChecked(True) self.sidebar.tool = self._tools[active][0] def _on_action_group_triggered(self, action: QAction) -> None: index = self._action_group.actions().index(action) self.sidebar.col.set_config("sidebarTool", index) self.sidebar.tool = self._tools[index][0] class SidebarSearchBar(QLineEdit): def __init__(self, sidebar: SidebarTreeView) -> None: QLineEdit.__init__(self, sidebar) self.setPlaceholderText(sidebar.col.tr(TR.BROWSING_SIDEBAR_FILTER)) self.sidebar = sidebar self.timer = QTimer(self) self.timer.setInterval(600) self.timer.setSingleShot(True) self.setFrame(False) border = theme_manager.color(colors.MEDIUM_BORDER) styles = [ "padding: 1px", "padding-left: 3px", f"border-bottom: 1px solid {border}", ] if _want_right_border(): styles.append( f"border-right: 1px solid {border}", ) self.setStyleSheet("QLineEdit { %s }" % ";".join(styles)) qconnect(self.timer.timeout, self.onSearch) qconnect(self.textChanged, self.onTextChanged) def onTextChanged(self, text: str) -> None: if not self.timer.isActive(): self.timer.start() def onSearch(self) -> None: self.sidebar.search_for(self.text()) def keyPressEvent(self, evt: QKeyEvent) -> None: if evt.key() in (Qt.Key_Up, Qt.Key_Down): self.sidebar.setFocus() elif evt.key() in (Qt.Key_Enter, Qt.Key_Return): self.onSearch() else: QLineEdit.keyPressEvent(self, evt) def _want_right_border() -> bool: return not isMac or theme_manager.night_mode class SidebarTreeView(QTreeView): def __init__(self, browser: aqt.browser.Browser) -> None: super().__init__() self.browser = browser self.mw = browser.mw self.col = self.mw.col self.current_search: Optional[str] = None self.valid_drop_types: Tuple[SidebarItemType, ...] = () self.setContextMenuPolicy(Qt.CustomContextMenu) self.customContextMenuRequested.connect(self.onContextMenu) # type: ignore self.setUniformRowHeights(True) self.setHeaderHidden(True) self.setIndentation(15) self.setAutoExpandDelay(600) self.setDragDropOverwriteMode(False) self.setEditTriggers(QAbstractItemView.EditKeyPressed) qconnect(self.expanded, self._on_expansion) qconnect(self.collapsed, self._on_collapse) # match window background color and tweak style bgcolor = QPalette().window().color().name() border = theme_manager.color(colors.MEDIUM_BORDER) styles = [ "padding: 3px", "padding-right: 0px", "border: 0", f"background: {bgcolor}", ] if _want_right_border(): styles.append(f"border-right: 1px solid {border}") self.setStyleSheet("QTreeView { %s }" % ";".join(styles)) @property def tool(self) -> SidebarTool: return self._tool @tool.setter def tool(self, tool: SidebarTool) -> None: self._tool = tool if tool == SidebarTool.SEARCH: selection_mode = QAbstractItemView.SingleSelection drag_drop_mode = QAbstractItemView.NoDragDrop double_click_expands = False else: selection_mode = QAbstractItemView.ExtendedSelection drag_drop_mode = QAbstractItemView.InternalMove double_click_expands = True self.setSelectionMode(selection_mode) self.setDragDropMode(drag_drop_mode) self.setExpandsOnDoubleClick(double_click_expands) def model(self) -> SidebarModel: return super().model() def refresh( self, is_current: Optional[Callable[[SidebarItem], bool]] = None ) -> None: "Refresh list. No-op if sidebar is not visible." if not self.isVisible(): return def on_done(fut: Future) -> None: self.setUpdatesEnabled(True) root = fut.result() model = SidebarModel(self, root) # from PyQt5.QtTest import QAbstractItemModelTester # tester = QAbstractItemModelTester(model) self.setModel(model) qconnect(self.selectionModel().selectionChanged, self._on_selection_changed) if self.current_search: self.search_for(self.current_search) else: self._expand_where_necessary(model) if is_current: self.restore_current(is_current) # block repainting during refreshing to avoid flickering self.setUpdatesEnabled(False) self.mw.taskman.run_in_background(self._root_tree, on_done) def restore_current(self, is_current: Callable[[SidebarItem], bool]) -> None: if current := self.find_item(is_current): index = self.model().index_for_item(current) self.selectionModel().setCurrentIndex( index, QItemSelectionModel.SelectCurrent ) self.scrollTo(index) def find_item( self, is_target: Callable[[SidebarItem], bool], parent: Optional[SidebarItem] = None, ) -> Optional[SidebarItem]: def find_item_rec(parent: SidebarItem) -> Optional[SidebarItem]: if is_target(parent): return parent for child in parent.children: if item := find_item_rec(child): return item return None return find_item_rec(parent or self.model().root) def search_for(self, text: str) -> None: self.showColumn(0) if not text.strip(): self.current_search = None self.refresh() return self.current_search = text # start from a collapsed state, as it's faster self.collapseAll() self.setColumnHidden(0, not self.model().search(text)) self._expand_where_necessary(self.model(), searching=True) def _expand_where_necessary( self, model: SidebarModel, parent: Optional[QModelIndex] = None, searching: bool = False, ) -> None: parent = parent or QModelIndex() for row in range(model.rowCount(parent)): idx = model.index(row, 0, parent) if not idx.isValid(): continue self._expand_where_necessary(model, idx, searching) if item := model.item_for_index(idx): if item.show_expanded(searching): self.setExpanded(idx, True) def update_search( self, *terms: Union[str, SearchNode], joiner: SearchJoiner = "AND", ) -> None: """Modify the current search string based on modifier keys, then refresh.""" mods = self.mw.app.keyboardModifiers() previous = SearchNode(parsable_text=self.browser.current_search()) current = self.mw.col.group_searches(*terms, joiner=joiner) # if Alt pressed, invert if mods & Qt.AltModifier: current = SearchNode(negated=current) try: if mods & Qt.ControlModifier and mods & Qt.ShiftModifier: # If Ctrl+Shift, replace searches nodes of the same type. search = self.col.replace_in_search_node(previous, current) elif mods & Qt.ControlModifier: # If Ctrl, AND with previous search = self.col.join_searches(previous, current, "AND") elif mods & Qt.ShiftModifier: # If Shift, OR with previous search = self.col.join_searches(previous, current, "OR") else: search = self.col.build_search_string(current) except InvalidInput as e: show_invalid_search_error(e) else: self.browser.search_for(search) # Qt API ########### def drawRow( self, painter: QPainter, options: QStyleOptionViewItem, idx: QModelIndex ) -> None: if self.current_search and (item := self.model().item_for_index(idx)): if item.is_highlighted(): brush = QBrush(theme_manager.qcolor(colors.SUSPENDED_BG)) painter.save() painter.fillRect(options.rect, brush) painter.restore() return super().drawRow(painter, options, idx) def dropEvent(self, event: QDropEvent) -> None: model = self.model() target_item = model.item_for_index(self.indexAt(event.pos())) if self.handle_drag_drop(self._selected_items(), target_item): event.acceptProposedAction() def mouseReleaseEvent(self, event: QMouseEvent) -> None: super().mouseReleaseEvent(event) if self.tool == SidebarTool.SEARCH and event.button() == Qt.LeftButton: if (index := self.currentIndex()) == self.indexAt(event.pos()): self._on_search(index) def keyPressEvent(self, event: QKeyEvent) -> None: index = self.currentIndex() if event.key() in (Qt.Key_Return, Qt.Key_Enter): if not self.isPersistentEditorOpen(index): self._on_search(index) elif event.key() == Qt.Key_Delete: self._on_delete(index) else: super().keyPressEvent(event) ########### def _on_selection_changed(self, _new: QItemSelection, _old: QItemSelection) -> None: selected_types = [item.item_type for item in self._selected_items()] if all(item_type == SidebarItemType.DECK for item_type in selected_types): self.valid_drop_types = (SidebarItemType.DECK, SidebarItemType.DECK_ROOT) elif all(item_type == SidebarItemType.TAG for item_type in selected_types): self.valid_drop_types = (SidebarItemType.TAG, SidebarItemType.TAG_ROOT) else: self.valid_drop_types = () def handle_drag_drop(self, sources: List[SidebarItem], target: SidebarItem) -> bool: if target.item_type in (SidebarItemType.DECK, SidebarItemType.DECK_ROOT): return self._handle_drag_drop_decks(sources, target) if target.item_type in (SidebarItemType.TAG, SidebarItemType.TAG_ROOT): return self._handle_drag_drop_tags(sources, target) return False def _handle_drag_drop_decks( self, sources: List[SidebarItem], target: SidebarItem ) -> bool: source_ids = [ source.id for source in sources if source.item_type == SidebarItemType.DECK ] if not source_ids: return False def on_done(fut: Future) -> None: self.browser.model.endReset() fut.result() self.refresh() self.mw.deckBrowser.refresh() def on_save() -> None: self.mw.checkpoint(tr(TR.ACTIONS_RENAME_DECK)) self.browser.model.beginReset() self.mw.taskman.with_progress( lambda: self.col.decks.drag_drop_decks(source_ids, target.id), on_done ) self.browser.editor.saveNow(on_save) return True def _handle_drag_drop_tags( self, sources: List[SidebarItem], target: SidebarItem ) -> bool: source_ids = [ source.full_name for source in sources if source.item_type == SidebarItemType.TAG ] if not source_ids: return False def on_done(fut: Future) -> None: self.mw.requireReset(reason=ResetReason.BrowserAddTags, context=self) self.browser.model.endReset() fut.result() self.refresh() if target.item_type == SidebarItemType.TAG_ROOT: target_name = "" else: target_name = target.full_name def on_save() -> None: self.mw.checkpoint(tr(TR.ACTIONS_RENAME_TAG)) self.browser.model.beginReset() self.mw.taskman.with_progress( lambda: self.col.tags.drag_drop(source_ids, target_name), on_done ) self.browser.editor.saveNow(on_save) return True def _on_search(self, index: QModelIndex) -> None: if item := self.model().item_for_index(index): if search_node := item.search_node: self.update_search(search_node) def _on_delete(self, index: QModelIndex) -> None: if item := self.model().item_for_index(index): if item.item_type == SidebarItemType.SAVED_SEARCH: self.remove_saved_searches(item) elif item.item_type == SidebarItemType.DECK: self.delete_decks(item) elif item.item_type == SidebarItemType.TAG: self.remove_tags(item) def _on_expansion(self, idx: QModelIndex) -> None: if self.current_search: return if item := self.model().item_for_index(idx): item.expanded = True def _on_collapse(self, idx: QModelIndex) -> None: if self.current_search: return if item := self.model().item_for_index(idx): item.expanded = False # Tree building ########################### def _root_tree(self) -> SidebarItem: root: Optional[SidebarItem] = None for stage in SidebarStage: if stage == SidebarStage.ROOT: root = SidebarItem("", "", item_type=SidebarItemType.ROOT) handled = gui_hooks.browser_will_build_tree(False, root, stage, self) if not handled: self._build_stage(root, stage) return root def _build_stage(self, root: SidebarItem, stage: SidebarStage) -> None: if stage is SidebarStage.SAVED_SEARCHES: self._saved_searches_tree(root) elif stage is SidebarStage.CARD_STATE: self._card_state_tree(root) elif stage is SidebarStage.TODAY: self._today_tree(root) elif stage is SidebarStage.FLAGS: self._flags_tree(root) elif stage is SidebarStage.DECKS: self._deck_tree(root) elif stage is SidebarStage.NOTETYPES: self._notetype_tree(root) elif stage is SidebarStage.TAGS: self._tag_tree(root) elif stage is SidebarStage.ROOT: pass else: assert_exhaustive(stage) def _section_root( self, *, root: SidebarItem, name: TR.V, icon: Union[str, ColoredIcon], collapse_key: Config.Bool.Key.V, type: Optional[SidebarItemType] = None, ) -> SidebarItem: def update(expanded: bool) -> None: self.col.set_config_bool(collapse_key, not expanded) top = SidebarItem( tr(name), icon, on_expanded=update, expanded=not self.col.get_config_bool(collapse_key), item_type=type, ) root.add_child(top) return top # Tree: Saved Searches ########################### def _saved_searches_tree(self, root: SidebarItem) -> None: icon = ":/icons/heart.svg" saved = self._get_saved_searches() root = self._section_root( root=root, name=TR.BROWSING_SIDEBAR_SAVED_SEARCHES, icon=icon, collapse_key=Config.Bool.COLLAPSE_SAVED_SEARCHES, type=SidebarItemType.SAVED_SEARCH_ROOT, ) for name, filt in sorted(saved.items()): item = SidebarItem( name, icon, search_node=SearchNode(parsable_text=filt), item_type=SidebarItemType.SAVED_SEARCH, ) root.add_child(item) # Tree: Today ########################### def _today_tree(self, root: SidebarItem) -> None: icon = ":/icons/clock.svg" root = self._section_root( root=root, name=TR.BROWSING_TODAY, icon=icon, collapse_key=Config.Bool.COLLAPSE_TODAY, type=SidebarItemType.TODAY_ROOT, ) type = SidebarItemType.TODAY root.add_simple( name=TR.BROWSING_SIDEBAR_DUE_TODAY, icon=icon, type=type, search_node=SearchNode(due_on_day=0), ) root.add_simple( name=TR.BROWSING_ADDED_TODAY, icon=icon, type=type, search_node=SearchNode(added_in_days=1), ) root.add_simple( name=TR.BROWSING_EDITED_TODAY, icon=icon, type=type, search_node=SearchNode(edited_in_days=1), ) root.add_simple( name=TR.BROWSING_STUDIED_TODAY, icon=icon, type=type, search_node=SearchNode(rated=SearchNode.Rated(days=1)), ) root.add_simple( name=TR.BROWSING_AGAIN_TODAY, icon=icon, type=type, search_node=SearchNode( rated=SearchNode.Rated(days=1, rating=SearchNode.RATING_AGAIN) ), ) root.add_simple( name=TR.BROWSING_SIDEBAR_OVERDUE, icon=icon, type=type, search_node=self.col.group_searches( SearchNode(card_state=SearchNode.CARD_STATE_DUE), SearchNode(negated=SearchNode(due_on_day=0)), ), ) # Tree: Card State ########################### def _card_state_tree(self, root: SidebarItem) -> None: icon = ColoredIcon(path=":/icons/card-state.svg", color=colors.DISABLED) root = self._section_root( root=root, name=TR.BROWSING_SIDEBAR_CARD_STATE, icon=icon, collapse_key=Config.Bool.COLLAPSE_CARD_STATE, type=SidebarItemType.CARD_STATE_ROOT, ) type = SidebarItemType.CARD_STATE root.add_simple( TR.ACTIONS_NEW, icon=icon.with_color(colors.NEW_COUNT), type=type, search_node=SearchNode(card_state=SearchNode.CARD_STATE_NEW), ) root.add_simple( name=TR.SCHEDULING_LEARNING, icon=icon.with_color(colors.LEARN_COUNT), type=type, search_node=SearchNode(card_state=SearchNode.CARD_STATE_LEARN), ) root.add_simple( name=TR.SCHEDULING_REVIEW, icon=icon.with_color(colors.REVIEW_COUNT), type=type, search_node=SearchNode(card_state=SearchNode.CARD_STATE_REVIEW), ) root.add_simple( name=TR.BROWSING_SUSPENDED, icon=icon.with_color(colors.SUSPENDED_FG), type=type, search_node=SearchNode(card_state=SearchNode.CARD_STATE_SUSPENDED), ) root.add_simple( name=TR.BROWSING_BURIED, icon=icon.with_color(colors.BURIED_FG), type=type, search_node=SearchNode(card_state=SearchNode.CARD_STATE_BURIED), ) # Tree: Flags ########################### def _flags_tree(self, root: SidebarItem) -> None: icon = ColoredIcon(path=":/icons/flag.svg", color=colors.DISABLED) root = self._section_root( root=root, name=TR.BROWSING_SIDEBAR_FLAGS, icon=icon, collapse_key=Config.Bool.COLLAPSE_FLAGS, type=SidebarItemType.FLAG_ROOT, ) root.search_node = SearchNode(flag=SearchNode.FLAG_ANY) type = SidebarItemType.FLAG root.add_simple( TR.ACTIONS_RED_FLAG, icon=icon.with_color(colors.FLAG1_FG), type=type, search_node=SearchNode(flag=SearchNode.FLAG_RED), ) root.add_simple( TR.ACTIONS_ORANGE_FLAG, icon=icon.with_color(colors.FLAG2_FG), type=type, search_node=SearchNode(flag=SearchNode.FLAG_ORANGE), ) root.add_simple( TR.ACTIONS_GREEN_FLAG, icon=icon.with_color(colors.FLAG3_FG), type=type, search_node=SearchNode(flag=SearchNode.FLAG_GREEN), ) root.add_simple( TR.ACTIONS_BLUE_FLAG, icon=icon.with_color(colors.FLAG4_FG), type=type, search_node=SearchNode(flag=SearchNode.FLAG_BLUE), ) root.add_simple( TR.BROWSING_NO_FLAG, icon=icon.with_color(colors.DISABLED), type=type, search_node=SearchNode(flag=SearchNode.FLAG_NONE), ) # Tree: Tags ########################### def _tag_tree(self, root: SidebarItem) -> None: icon = ":/icons/tag.svg" def render( root: SidebarItem, nodes: Iterable[TagTreeNode], head: str = "" ) -> None: for node in nodes: def toggle_expand() -> Callable[[bool], None]: full_name = head + node.name # pylint: disable=cell-var-from-loop return lambda expanded: self.mw.col.tags.set_expanded( full_name, expanded ) item = SidebarItem( name=node.name, icon=icon, search_node=SearchNode(tag=head + node.name), on_expanded=toggle_expand(), expanded=node.expanded, item_type=SidebarItemType.TAG, full_name=head + node.name, ) root.add_child(item) newhead = f"{head + node.name}::" render(item, node.children, newhead) tree = self.col.tags.tree() root = self._section_root( root=root, name=TR.BROWSING_SIDEBAR_TAGS, icon=icon, collapse_key=Config.Bool.COLLAPSE_TAGS, type=SidebarItemType.TAG_ROOT, ) root.search_node = SearchNode(negated=SearchNode(tag="none")) root.add_simple( name=tr(TR.BROWSING_SIDEBAR_UNTAGGED), icon=icon, type=SidebarItemType.TAG_NONE, search_node=SearchNode(tag="none"), ) render(root, tree.children) # Tree: Decks ########################### def _deck_tree(self, root: SidebarItem) -> None: icon = ":/icons/deck.svg" def render( root: SidebarItem, nodes: Iterable[DeckTreeNode], head: str = "" ) -> None: for node in nodes: def toggle_expand() -> Callable[[bool], None]: did = node.deck_id # pylint: disable=cell-var-from-loop return lambda _: self.mw.col.decks.collapseBrowser(did) item = SidebarItem( name=node.name, icon=icon, search_node=SearchNode(deck=head + node.name), on_expanded=toggle_expand(), expanded=not node.collapsed, item_type=SidebarItemType.DECK, id=node.deck_id, full_name=head + node.name, ) root.add_child(item) newhead = f"{head + node.name}::" render(item, node.children, newhead) tree = self.col.decks.deck_tree() root = self._section_root( root=root, name=TR.BROWSING_SIDEBAR_DECKS, icon=icon, collapse_key=Config.Bool.COLLAPSE_DECKS, type=SidebarItemType.DECK_ROOT, ) root.search_node = SearchNode(deck="*") current = root.add_simple( name=tr(TR.BROWSING_CURRENT_DECK), icon=icon, type=SidebarItemType.DECK_CURRENT, search_node=SearchNode(deck="current"), ) current.id = self.mw.col.decks.selected() render(root, tree.children) # Tree: Notetypes ########################### def _notetype_tree(self, root: SidebarItem) -> None: icon = ":/icons/notetype.svg" root = self._section_root( root=root, name=TR.BROWSING_SIDEBAR_NOTETYPES, icon=icon, collapse_key=Config.Bool.COLLAPSE_NOTETYPES, type=SidebarItemType.NOTETYPE_ROOT, ) for nt in sorted(self.col.models.all(), key=lambda nt: nt["name"].lower()): item = SidebarItem( nt["name"], icon, search_node=SearchNode(note=nt["name"]), item_type=SidebarItemType.NOTETYPE, id=nt["id"], ) for c, tmpl in enumerate(nt["tmpls"]): child = SidebarItem( tmpl["name"], icon, search_node=self.col.group_searches( SearchNode(note=nt["name"]), SearchNode(template=c) ), item_type=SidebarItemType.NOTETYPE_TEMPLATE, full_name=f"{nt['name']}::{tmpl['name']}", id=tmpl["ord"], ) item.add_child(child) root.add_child(item) # Context menu actions ########################### def onContextMenu(self, point: QPoint) -> None: index: QModelIndex = self.indexAt(point) item = self.model().item_for_index(index) if item and self.selectionModel().isSelected(index): self.show_context_menu(item, index) def show_context_menu(self, item: SidebarItem, index: QModelIndex) -> None: menu = QMenu() self._maybe_add_type_specific_actions(menu, item) self._maybe_add_delete_action(menu, item, index) self._maybe_add_rename_action(menu, item, index) self._maybe_add_search_actions(menu) self._maybe_add_tree_actions(menu) if menu.children(): menu.exec_(QCursor.pos()) def _maybe_add_type_specific_actions(self, menu: QMenu, item: SidebarItem) -> None: if item.item_type in (SidebarItemType.NOTETYPE, SidebarItemType.NOTETYPE_ROOT): menu.addAction(tr(TR.ACTIONS_MANAGE), lambda: self.manage_notetype(item)) elif item.item_type == SidebarItemType.SAVED_SEARCH_ROOT: menu.addAction( tr(TR.BROWSING_SIDEBAR_SAVE_CURRENT_SEARCH), self.save_current_search ) def _maybe_add_delete_action( self, menu: QMenu, item: SidebarItem, index: QModelIndex ) -> None: if item.item_type.is_deletable() and all( s.item_type == item.item_type for s in self._selected_items() ): menu.addAction(tr(TR.ACTIONS_DELETE), lambda: self._on_delete(index)) def _maybe_add_rename_action( self, menu: QMenu, item: SidebarItem, index: QModelIndex ) -> None: if item.item_type.is_editable() and len(self._selected_items()) == 1: menu.addAction(tr(TR.ACTIONS_RENAME), lambda: self.edit(index)) def _maybe_add_search_actions(self, menu: QMenu) -> None: nodes = [ item.search_node for item in self._selected_items() if item.search_node ] if not nodes: return menu.addSeparator() if len(nodes) == 1: menu.addAction(tr(TR.ACTIONS_SEARCH), lambda: self.update_search(*nodes)) return sub_menu = menu.addMenu(tr(TR.ACTIONS_SEARCH)) sub_menu.addAction( tr(TR.ACTIONS_ALL_SELECTED), lambda: self.update_search(*nodes) ) sub_menu.addAction( tr(TR.ACTIONS_ANY_SELECTED), lambda: self.update_search(*nodes, joiner="OR"), ) def _maybe_add_tree_actions(self, menu: QMenu) -> None: def set_expanded(expanded: bool) -> None: for index in self.selectedIndexes(): self.setExpanded(index, expanded) def set_children_expanded(expanded: bool) -> None: for index in self.selectedIndexes(): self.setExpanded(index, True) for row in range(self.model().rowCount(index)): self.setExpanded(self.model().index(row, 0, index), expanded) if self.current_search: return selected_items = self._selected_items() if not any(item.children for item in selected_items): return menu.addSeparator() if any(not item.expanded for item in selected_items if item.children): menu.addAction(tr(TR.BROWSING_SIDEBAR_EXPAND), lambda: set_expanded(True)) if any(item.expanded for item in selected_items if item.children): menu.addAction( tr(TR.BROWSING_SIDEBAR_COLLAPSE), lambda: set_expanded(False) ) if any( not c.expanded for i in selected_items for c in i.children if c.children ): menu.addAction( tr(TR.BROWSING_SIDEBAR_EXPAND_CHILDREN), lambda: set_children_expanded(True), ) if any(c.expanded for i in selected_items for c in i.children if c.children): menu.addAction( tr(TR.BROWSING_SIDEBAR_COLLAPSE_CHILDREN), lambda: set_children_expanded(False), ) def rename_deck(self, item: SidebarItem, new_name: str) -> None: deck = self.mw.col.decks.get(item.id) old_name = deck["name"] new_name = re.sub( re.escape(item.name) + "$", new_name.replace("\\", r"\\"), old_name ) self.mw.checkpoint(tr(TR.ACTIONS_RENAME_DECK)) try: self.mw.col.decks.rename(deck, new_name) except DeckRenameError as e: showWarning(e.description) return self.refresh( lambda other: other.item_type == SidebarItemType.DECK and other.id == item.id ) self.mw.deckBrowser.refresh() def remove_tags(self, item: SidebarItem) -> None: self.browser.editor.saveNow(lambda: self._remove_tags(item)) def _remove_tags(self, _item: SidebarItem) -> None: tags = self._selected_tags() if not self.ask_remove_tags(tags): return def do_remove() -> None: self.col._backend.expunge_tags(" ".join(tags)) def on_done(fut: Future) -> None: self.mw.requireReset(reason=ResetReason.BrowserRemoveTags, context=self) self.browser.model.endReset() fut.result() self.refresh() self.mw.checkpoint(tr(TR.ACTIONS_REMOVE_TAG)) self.browser.model.beginReset() self.mw.taskman.run_in_background(do_remove, on_done) def rename_tag(self, item: SidebarItem, new_name: str) -> None: new_name = new_name.replace(" ", "") if new_name and new_name != item.name: # block repainting until collection is updated self.setUpdatesEnabled(False) self.browser.editor.saveNow(lambda: self._rename_tag(item, new_name)) def _rename_tag(self, item: SidebarItem, new_name: str) -> None: old_name = item.full_name new_name = re.sub( re.escape(item.name) + "$", new_name.replace("\\", r"\\"), old_name ) def do_rename() -> int: self.mw.col.tags.remove(old_name) return self.col.tags.rename(old_name, new_name) def on_done(fut: Future) -> None: self.mw.requireReset(reason=ResetReason.BrowserAddTags, context=self) self.browser.model.endReset() count = fut.result() if not count: showInfo(tr(TR.BROWSING_TAG_RENAME_WARNING_EMPTY)) return self.refresh( lambda item: item.item_type == SidebarItemType.TAG and item.full_name == new_name ) self.mw.checkpoint(tr(TR.ACTIONS_RENAME_TAG)) self.browser.model.beginReset() self.mw.taskman.run_in_background(do_rename, on_done) def delete_decks(self, _item: SidebarItem) -> None: self.browser.editor.saveNow(self._delete_decks) def _delete_decks(self) -> None: dids = self._selected_decks() if self.mw.deckBrowser.ask_delete_decks(dids): def do_delete() -> None: return self.mw.col.decks.remove(dids) def on_done(fut: Future) -> None: self.mw.requireReset(reason=ResetReason.BrowserDeleteDeck, context=self) self.browser.search() self.browser.model.endReset() self.refresh() res = fut.result() # Required to check for errors self.mw.checkpoint(tr(TR.DECKS_DELETE_DECK)) self.browser.model.beginReset() self.mw.taskman.run_in_background(do_delete, on_done) def rename_notetype(self, item: SidebarItem, new_name: str) -> None: notetype = self.col.models.get(item.id) self.mw.checkpoint(tr(TR.ACTIONS_RENAME)) notetype["name"] = new_name self.col.models.save(notetype) self.refresh( lambda other: other.item_type == SidebarItemType.NOTETYPE and other.id == item.id ) self.browser.model.reset() def rename_template(self, item: SidebarItem, new_name: str) -> None: notetype = self.col.models.get(item._parent_item.id) self.mw.checkpoint(tr(TR.ACTIONS_RENAME)) notetype["tmpls"][item.id]["name"] = new_name self.col.models.save(notetype) self.refresh( lambda other: other.item_type == SidebarItemType.NOTETYPE_TEMPLATE and other._parent_item.id == item._parent_item.id and other.id == item.id ) self.browser.model.reset() def rename_node(self, item: SidebarItem, text: str) -> bool: new_name = text.replace('"', "") if new_name and new_name != item.name: if item.item_type == SidebarItemType.DECK: self.rename_deck(item, new_name) elif item.item_type == SidebarItemType.SAVED_SEARCH: self.rename_saved_search(item, new_name) elif item.item_type == SidebarItemType.TAG: self.rename_tag(item, new_name) elif item.item_type == SidebarItemType.NOTETYPE: self.rename_notetype(item, new_name) elif item.item_type == SidebarItemType.NOTETYPE_TEMPLATE: self.rename_template(item, new_name) # renaming may be asynchronous so always return False return False # Saved searches ################## _saved_searches_key = "savedFilters" def _get_saved_searches(self) -> Dict[str, str]: return self.col.get_config(self._saved_searches_key, {}) def _set_saved_searches(self, searches: Dict[str, str]) -> None: self.col.set_config(self._saved_searches_key, searches) def remove_saved_searches(self, _item: SidebarItem) -> None: selected = self._selected_saved_searches() if len(selected) == 1: query = tr(TR.BROWSING_REMOVE_FROM_YOUR_SAVED_SEARCHES, val=selected[0]) else: query = tr(TR.BROWSING_CONFIRM_SAVED_SEARCHES_DELETION) if not askUser(query): return conf = self._get_saved_searches() for name in selected: del conf[name] self._set_saved_searches(conf) self.refresh() def rename_saved_search(self, item: SidebarItem, new_name: str) -> None: old_name = item.name conf = self._get_saved_searches() try: filt = conf[old_name] except KeyError: return if new_name in conf and not askUser( tr(TR.BROWSING_CONFIRM_SAVED_SEARCH_OVERWRITE, name=new_name) ): return conf[new_name] = filt del conf[old_name] self._set_saved_searches(conf) self.refresh( lambda item: item.item_type == SidebarItemType.SAVED_SEARCH and item.name == new_name ) def save_current_search(self) -> None: try: filt = self.col.build_search_string( self.browser.form.searchEdit.lineEdit().text() ) except InvalidInput as e: show_invalid_search_error(e) return name = getOnlyText(tr(TR.BROWSING_PLEASE_GIVE_YOUR_FILTER_A_NAME)) if not name: return conf = self._get_saved_searches() if name in conf and not askUser( tr(TR.BROWSING_CONFIRM_SAVED_SEARCH_OVERWRITE, name=name) ): return conf[name] = filt self._set_saved_searches(conf) self.refresh( lambda item: item.item_type == SidebarItemType.SAVED_SEARCH and item.name == name ) def manage_notetype(self, item: SidebarItem) -> None: Models( self.mw, parent=self.browser, fromMain=True, selected_notetype_id=item.id ) # Helpers ################## def _selected_items(self) -> List[SidebarItem]: return [self.model().item_for_index(idx) for idx in self.selectedIndexes()] def _selected_decks(self) -> List[int]: return [ item.id for item in self._selected_items() if item.item_type == SidebarItemType.DECK ] def _selected_saved_searches(self) -> List[str]: return [ item.name for item in self._selected_items() if item.item_type == SidebarItemType.SAVED_SEARCH ] def _selected_tags(self) -> List[str]: return [ item.full_name for item in self._selected_items() if item.item_type == SidebarItemType.TAG ] def ask_remove_tags(self, tags: List[str]) -> bool: count = len( self.col.find_notes( self.col.build_search_string( *(SearchNode(tag=tag) for tag in tags), joiner="OR" ) ) ) if not count: return True if len(tags) == 1: return askUser( tr(TR.BROWSING_SIDEBAR_REMOVE_TAG, name=tags[0], count=count) ) return askUser(tr(TR.BROWSING_SIDEBAR_REMOVE_TAGS, count=count))