7741475ae0
* Fix wrong hook being torn down * Fix item models not being destroyed * Add missing gc for FilteredDeckConfigDialog * Add missing type annotation * Pass calling widget as parent to QTimer Implicitly passing `self.mw` as the parent means that the QTimer won't get destroyed before quitting the app, which also thwarts garbage collection of any data captured by a passed closure. * Make `Editor._links` an instance variable Browser is inserting a closure into this dict capturing itself. As a class variable, it won't get destroyed, so neither will the browser. * Make `Editor._links` funcs take instance again * Deprecate calling progress.timer() without parent * show caller location when printing deprecation warning (dae)
663 lines
25 KiB
Python
663 lines
25 KiB
Python
# Copyright: Ankitects Pty Ltd and contributors
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# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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from __future__ import annotations
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from typing import Any, Callable, Sequence
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import aqt
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import aqt.browser
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import aqt.forms
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from anki.cards import Card, CardId
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from anki.collection import Collection, Config, OpChanges
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from anki.consts import *
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from anki.notes import Note, NoteId
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from anki.utils import is_win
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from aqt import colors, gui_hooks
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from aqt.browser.table import Columns, ItemId, SearchContext
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from aqt.browser.table.model import DataModel
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from aqt.browser.table.state import CardState, ItemState, NoteState
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from aqt.qt import *
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from aqt.theme import theme_manager
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from aqt.utils import (
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KeyboardModifiersPressed,
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qtMenuShortcutWorkaround,
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restoreHeader,
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saveHeader,
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showInfo,
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tr,
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)
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class Table:
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SELECTION_LIMIT: int = 500
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def __init__(self, browser: aqt.browser.Browser) -> None:
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self.browser = browser
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self.col: Collection = browser.col
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self._state: ItemState = (
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NoteState(self.col)
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if self.col.get_config_bool(Config.Bool.BROWSER_TABLE_SHOW_NOTES_MODE)
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else CardState(self.col)
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)
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self._model = DataModel(
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self.browser,
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self.col,
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self._state,
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self._on_row_state_will_change,
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self._on_row_state_changed,
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)
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self._view: QTableView | None = None
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# cached for performance
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self._len_selection = 0
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self._selected_rows: list[QModelIndex] | None = None
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# temporarily set for selection preservation
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self._current_item: ItemId | None = None
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self._selected_items: Sequence[ItemId] = []
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def set_view(self, view: QTableView) -> None:
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self._view = view
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self._setup_view()
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self._setup_headers()
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def cleanup(self) -> None:
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self._save_header()
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gui_hooks.theme_did_change.remove(self._setup_style)
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# Public Methods
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######################################################################
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# Get metadata
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def len(self) -> int:
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return self._model.len_rows()
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def len_selection(self, refresh: bool = False) -> int:
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# `len(self._view.selectionModel().selectedRows())` is slow for large
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# selections, because Qt queries flags() for every selected cell, so we
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# calculate the number of selected rows ourselves
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return self._len_selection
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def has_current(self) -> bool:
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return self._view.selectionModel().currentIndex().isValid()
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def has_previous(self) -> bool:
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return self.has_current() and self._current().row() > 0
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def has_next(self) -> bool:
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return self.has_current() and self._current().row() < self.len() - 1
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def is_notes_mode(self) -> bool:
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return self._state.is_notes_mode()
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# Get objects
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def get_current_card(self) -> Card | None:
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return self._model.get_card(self._current())
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def get_current_note(self) -> Note | None:
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return self._model.get_note(self._current())
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def get_single_selected_card(self) -> Card | None:
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"""If there is only one row selected return its card, else None.
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This may be a different one than the current card."""
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if self.len_selection() != 1:
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return None
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return self._model.get_card(self._selected()[0])
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# Get ids
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def get_selected_card_ids(self) -> Sequence[CardId]:
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return self._model.get_card_ids(self._selected())
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def get_selected_note_ids(self) -> Sequence[NoteId]:
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return self._model.get_note_ids(self._selected())
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def get_card_ids_from_selected_note_ids(self) -> Sequence[CardId]:
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return self._state.card_ids_from_note_ids(self.get_selected_note_ids())
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# Selecting
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def select_all(self) -> None:
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self._view.selectAll()
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def clear_selection(self) -> None:
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self._len_selection = 0
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self._selected_rows = None
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self._view.selectionModel().clear()
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def invert_selection(self) -> None:
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selection = self._view.selectionModel().selection()
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self.select_all()
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self._view.selectionModel().select(
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selection,
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QItemSelectionModel.SelectionFlag.Deselect
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| QItemSelectionModel.SelectionFlag.Rows,
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)
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def select_single_card(self, card_id: CardId) -> None:
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"""Try to set the selection to the item corresponding to the given card."""
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self._reset_selection()
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if (row := self._model.get_card_row(card_id)) is not None:
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self._view.selectRow(row)
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self._scroll_to_row(row, scroll_even_if_visible=True)
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else:
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self.browser.on_all_or_selected_rows_changed()
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self.browser.on_current_row_changed()
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# Reset
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def reset(self) -> None:
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"""Reload table data from collection and redraw."""
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self.begin_reset()
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self.end_reset()
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def begin_reset(self) -> None:
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self._save_selection()
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self._model.begin_reset()
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def end_reset(self) -> None:
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self._model.end_reset()
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self._restore_selection(self._intersected_selection)
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def on_backend_will_block(self) -> None:
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# make sure the card list doesn't try to refresh itself during the operation,
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# as that will block the UI
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self._model.begin_blocking()
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def on_backend_did_block(self) -> None:
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self._model.end_blocking()
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def redraw_cells(self) -> None:
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self._model.redraw_cells()
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def op_executed(
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self, changes: OpChanges, handler: object | None, focused: bool
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) -> None:
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if changes.browser_table:
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self._model.mark_cache_stale()
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if focused:
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self.redraw_cells()
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# Modify table
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def search(self, txt: str) -> None:
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self._save_selection()
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self._model.search(SearchContext(search=txt, browser=self.browser))
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self._restore_selection(self._intersected_selection)
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def toggle_state(self, is_notes_mode: bool, last_search: str) -> None:
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if is_notes_mode == self.is_notes_mode():
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return
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self._save_header()
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self._save_selection()
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self._state = self._model.toggle_state(
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SearchContext(search=last_search, browser=self.browser)
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)
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self.col.set_config_bool(
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Config.Bool.BROWSER_TABLE_SHOW_NOTES_MODE,
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self.is_notes_mode(),
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)
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self._restore_header()
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self._restore_selection(self._toggled_selection)
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# Move cursor
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def to_previous_row(self) -> None:
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self._move_current(QAbstractItemView.CursorAction.MoveUp)
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def to_next_row(self) -> None:
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self._move_current(QAbstractItemView.CursorAction.MoveDown)
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def to_first_row(self) -> None:
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self._move_current_to_row(0)
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def to_last_row(self) -> None:
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self._move_current_to_row(self._model.len_rows() - 1)
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def to_row_of_unselected_note(self) -> Sequence[NoteId]:
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"""Select and set focus to a row whose note is not selected, trying
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the rows below the bottomost, then above the topmost selected row.
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If that's not possible, clear selection.
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Return previously selected note ids.
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"""
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nids = self.get_selected_note_ids()
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bottom = max(r.row() for r in self._selected()) + 1
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for row in range(bottom, self.len()):
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index = self._model.index(row, 0)
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if self._model.get_row(index).is_deleted:
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continue
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if self._model.get_note_id(index) in nids:
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continue
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self._move_current_to_row(row)
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return nids
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top = min(r.row() for r in self._selected()) - 1
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for row in range(top, -1, -1):
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index = self._model.index(row, 0)
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if self._model.get_row(index).is_deleted:
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continue
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if self._model.get_note_id(index) in nids:
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continue
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self._move_current_to_row(row)
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return nids
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self._reset_selection()
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self.browser.on_all_or_selected_rows_changed()
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self.browser.on_current_row_changed()
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return nids
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def clear_current(self) -> None:
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self._view.selectionModel().setCurrentIndex(
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QModelIndex(),
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QItemSelectionModel.SelectionFlag.NoUpdate,
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)
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# Private methods
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######################################################################
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# Helpers
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def _current(self) -> QModelIndex:
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return self._view.selectionModel().currentIndex()
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def _selected(self) -> list[QModelIndex]:
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if self._selected_rows is None:
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self._selected_rows = self._view.selectionModel().selectedRows()
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return self._selected_rows
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def _set_current(self, row: int, column: int = 0) -> None:
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index = self._model.index(
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row, self._view.horizontalHeader().logicalIndex(column)
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)
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self._view.selectionModel().setCurrentIndex(
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index,
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QItemSelectionModel.SelectionFlag.NoUpdate,
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)
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def _reset_selection(self) -> None:
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"""Remove selection and focus without emitting signals.
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If no selection change is triggerd afterwards, `browser.on_all_or_selected_rows_changed()`
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and `browser.on_current_row_changed()` must be called.
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"""
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self._view.selectionModel().reset()
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self._len_selection = 0
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self._selected_rows = None
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def _select_rows(self, rows: list[int]) -> None:
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selection = QItemSelection()
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for row in rows:
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selection.select(
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self._model.index(row, 0),
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self._model.index(row, self._model.len_columns() - 1),
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)
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self._view.selectionModel().select(
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selection, QItemSelectionModel.SelectionFlag.SelectCurrent
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)
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def _set_sort_indicator(self) -> None:
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hh = self._view.horizontalHeader()
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index = self._model.active_column_index(self._state.sort_column)
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if index is None:
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hh.setSortIndicatorShown(False)
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return
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if self._state.sort_backwards:
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order = Qt.SortOrder.DescendingOrder
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else:
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order = Qt.SortOrder.AscendingOrder
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hh.blockSignals(True)
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hh.setSortIndicator(index, order)
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hh.blockSignals(False)
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hh.setSortIndicatorShown(True)
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def _set_column_sizes(self) -> None:
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hh = self._view.horizontalHeader()
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hh.setSectionResizeMode(QHeaderView.ResizeMode.Interactive)
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hh.setSectionResizeMode(
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hh.logicalIndex(self._model.len_columns() - 1),
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QHeaderView.ResizeMode.Stretch,
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)
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# this must be set post-resize or it doesn't work
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hh.setCascadingSectionResizes(False)
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def _save_header(self) -> None:
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saveHeader(self._view.horizontalHeader(), self._state.GEOMETRY_KEY_PREFIX)
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def _restore_header(self) -> None:
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self._view.horizontalHeader().blockSignals(True)
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restoreHeader(self._view.horizontalHeader(), self._state.GEOMETRY_KEY_PREFIX)
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self._set_column_sizes()
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self._set_sort_indicator()
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self._view.horizontalHeader().blockSignals(False)
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# Setup
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def _setup_view(self) -> None:
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self._view.setSortingEnabled(True)
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self._view.setModel(self._model)
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self._view.selectionModel()
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self._view.setItemDelegate(StatusDelegate(self.browser, self._model))
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qconnect(
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self._view.selectionModel().selectionChanged, self._on_selection_changed
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)
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qconnect(self._view.selectionModel().currentChanged, self._on_current_changed)
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self._view.setWordWrap(False)
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self._view.setHorizontalScrollMode(QAbstractItemView.ScrollMode.ScrollPerPixel)
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self._view.horizontalScrollBar().setSingleStep(10)
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self._update_font()
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self._setup_style()
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self._view.setContextMenuPolicy(Qt.ContextMenuPolicy.CustomContextMenu)
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qconnect(self._view.customContextMenuRequested, self._on_context_menu)
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gui_hooks.theme_did_change.append(self._setup_style)
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def _update_font(self) -> None:
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# we can't choose different line heights efficiently, so we need
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# to pick a line height big enough for any card template
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curmax = 16
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for m in self.col.models.all():
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for t in m["tmpls"]:
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bsize = t.get("bsize", 0)
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if bsize > curmax:
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curmax = bsize
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self._view.verticalHeader().setDefaultSectionSize(curmax + 6)
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def _setup_style(self) -> None:
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if not theme_manager.night_mode:
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self._view.setStyleSheet(
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"QTableView{ selection-background-color: rgba(150, 150, 150, 50); "
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"selection-color: black; }"
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)
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elif theme_manager.macos_dark_mode():
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self._view.setStyleSheet(
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f"QTableView {{ gridline-color: {colors.FRAME_BG} }}"
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)
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else:
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self._view.setStyleSheet("")
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def _setup_headers(self) -> None:
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vh = self._view.verticalHeader()
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hh = self._view.horizontalHeader()
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if not is_win:
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vh.hide()
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hh.show()
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hh.setHighlightSections(False)
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hh.setMinimumSectionSize(50)
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hh.setSectionsMovable(True)
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hh.setContextMenuPolicy(Qt.ContextMenuPolicy.CustomContextMenu)
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self._restore_header()
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qconnect(hh.customContextMenuRequested, self._on_header_context)
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if qtmajor == 5:
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qconnect(hh.sortIndicatorChanged, self._on_sort_column_changed_qt5)
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else:
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qconnect(hh.sortIndicatorChanged, self._on_sort_column_changed)
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qconnect(hh.sectionMoved, self._on_column_moved)
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# Slots
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def _on_current_changed(self, current: QModelIndex, previous: QModelIndex) -> None:
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if current.row() != previous.row():
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self.browser.on_current_row_changed()
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def _on_selection_changed(
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self, selected: QItemSelection, deselected: QItemSelection
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) -> None:
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# `selection.indexes()` calls `flags()` for all the selection's indexes,
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# whereas `selectedRows()` calls it for the indexes of the resulting selection.
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# Both may be slow, so we try to optimise.
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if KeyboardModifiersPressed().shift or KeyboardModifiersPressed().control:
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# Current selection is modified. The number of added/removed rows is
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# usually smaller than the number of rows in the resulting selection.
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self._len_selection += (
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len(selected.indexes()) - len(deselected.indexes())
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) // self._model.len_columns()
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else:
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# New selection is created. Usually a single row or none at all.
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self._len_selection = len(self._view.selectionModel().selectedRows())
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self._selected_rows = None
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self.browser.on_all_or_selected_rows_changed()
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def _on_row_state_will_change(self, index: QModelIndex, was_restored: bool) -> None:
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if not was_restored:
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if self._view.selectionModel().isSelected(index):
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self._len_selection -= 1
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self._selected_rows = None
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self.browser.on_all_or_selected_rows_changed()
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if index.row() == self._current().row():
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# avoid focus on deleted (disabled) rows
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self.clear_current()
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self.browser.on_current_row_changed()
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def _on_row_state_changed(self, index: QModelIndex, was_restored: bool) -> None:
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if was_restored:
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if self._view.selectionModel().isSelected(index):
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self._len_selection += 1
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self._selected_rows = None
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self.browser.on_all_or_selected_rows_changed()
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elif not self._current().isValid() and self.len_selection() == 0:
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# restore focus for convenience
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self._select_rows([index.row()])
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self._set_current(index.row())
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self._scroll_to_row(index.row())
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# row change and redraw have been triggered
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return
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# Workaround for a bug where the flags for the first column don't update
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# automatically (due to the shortcut in 'model.flags()')
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top_left = self._model.index(index.row(), 0)
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bottom_right = self._model.index(index.row(), self._model.len_columns() - 1)
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self._model.dataChanged.emit(top_left, bottom_right) # type: ignore
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def _on_context_menu(self, _point: QPoint) -> None:
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menu = QMenu()
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if self.is_notes_mode():
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main = self.browser.form.menu_Notes
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other = self.browser.form.menu_Cards
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other_name = tr.qt_accel_cards()
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else:
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main = self.browser.form.menu_Cards
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other = self.browser.form.menu_Notes
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other_name = tr.qt_accel_notes()
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for action in main.actions():
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menu.addAction(action)
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menu.addSeparator()
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sub_menu = menu.addMenu(other_name)
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for action in other.actions():
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sub_menu.addAction(action)
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gui_hooks.browser_will_show_context_menu(self.browser, menu)
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qtMenuShortcutWorkaround(menu)
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menu.exec(QCursor.pos())
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def _on_header_context(self, pos: QPoint) -> None:
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gpos = self._view.mapToGlobal(pos)
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m = QMenu()
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m.setToolTipsVisible(True)
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for key, column in self._model.columns.items():
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a = m.addAction(self._state.column_label(column))
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a.setCheckable(True)
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a.setChecked(self._model.active_column_index(key) is not None)
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a.setToolTip(self._state.column_tooltip(column))
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qconnect(
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a.toggled,
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lambda checked, key=key: self._on_column_toggled(checked, key),
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)
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gui_hooks.browser_header_will_show_context_menu(self.browser, m)
|
|
m.exec(gpos)
|
|
|
|
def _on_column_moved(self, *_args: Any) -> None:
|
|
self._set_column_sizes()
|
|
|
|
def _on_column_toggled(self, checked: bool, column: str) -> None:
|
|
if not checked and self._model.len_columns() < 2:
|
|
showInfo(tr.browsing_you_must_have_at_least_one())
|
|
return
|
|
self._model.toggle_column(column)
|
|
self._set_column_sizes()
|
|
# sorted field may have been hidden or revealed
|
|
self._set_sort_indicator()
|
|
if checked:
|
|
self._scroll_to_column(self._model.len_columns() - 1)
|
|
|
|
def _on_sort_column_changed_qt5(self, section: int, order: int) -> None:
|
|
self._on_sort_column_changed(
|
|
section,
|
|
Qt.SortOrder.AscendingOrder if not order else Qt.SortOrder.DescendingOrder,
|
|
)
|
|
|
|
def _on_sort_column_changed(self, section: int, order: Qt.SortOrder) -> None:
|
|
column = self._model.column_at_section(section)
|
|
if column.sorting == Columns.SORTING_NONE:
|
|
showInfo(tr.browsing_sorting_on_this_column_is_not())
|
|
self._set_sort_indicator()
|
|
return
|
|
if self._state.sort_column != column.key:
|
|
self._state.sort_column = column.key
|
|
# numeric fields default to descending
|
|
if column.sorting == Columns.SORTING_DESCENDING:
|
|
order = Qt.SortOrder.DescendingOrder
|
|
self._state.sort_backwards = order == Qt.SortOrder.DescendingOrder
|
|
self.browser.search()
|
|
else:
|
|
descending = order == Qt.SortOrder.DescendingOrder
|
|
if self._state.sort_backwards != descending:
|
|
self._state.sort_backwards = descending
|
|
self._reverse()
|
|
self._set_sort_indicator()
|
|
|
|
def _reverse(self) -> None:
|
|
self._save_selection()
|
|
self._model.reverse()
|
|
self._restore_selection(self._intersected_selection)
|
|
|
|
# Restore selection
|
|
|
|
def _save_selection(self) -> None:
|
|
"""Save the current item and selected items."""
|
|
if self.has_current():
|
|
self._current_item = self._model.get_item(self._current())
|
|
self._selected_items = self._model.get_items(self._selected())
|
|
|
|
def _restore_selection(self, new_selected_and_current: Callable) -> None:
|
|
"""Restore the saved selection and current element as far as possible and scroll to the
|
|
new current element. Clear the saved selection.
|
|
"""
|
|
self._reset_selection()
|
|
if not self._model.is_empty():
|
|
rows, current = new_selected_and_current()
|
|
rows = self._qualify_selected_rows(rows, current)
|
|
current = current or rows[0]
|
|
self._select_rows(rows)
|
|
self._set_current(current)
|
|
self._scroll_to_row(current)
|
|
if self.len_selection() == 0:
|
|
# no row change will fire
|
|
self.browser.on_all_or_selected_rows_changed()
|
|
self.browser.on_current_row_changed()
|
|
self._selected_items = []
|
|
self._current_item = None
|
|
|
|
def _qualify_selected_rows(self, rows: list[int], current: int | None) -> list[int]:
|
|
"""Return between 1 and SELECTION_LIMIT rows, as far as possible from rows or current."""
|
|
if rows:
|
|
if len(rows) < self.SELECTION_LIMIT:
|
|
return rows
|
|
if current and current in rows:
|
|
return [current]
|
|
return rows[0:1]
|
|
return [current if current else 0]
|
|
|
|
def _intersected_selection(self) -> tuple[list[int], int | None]:
|
|
"""Return all rows of items that were in the saved selection and the row of the saved
|
|
current element if present.
|
|
"""
|
|
selected_rows = self._model.get_item_rows(self._selected_items)
|
|
current_row = self._current_item and self._model.get_item_row(
|
|
self._current_item
|
|
)
|
|
return selected_rows, current_row
|
|
|
|
def _toggled_selection(self) -> tuple[list[int], int | None]:
|
|
"""Convert the items of the saved selection and current element to the new state and
|
|
return their rows.
|
|
"""
|
|
selected_rows = self._model.get_item_rows(
|
|
self._state.get_new_items(self._selected_items)
|
|
)
|
|
current_row = None
|
|
if self._current_item:
|
|
if new_current := self._state.get_new_items([self._current_item]):
|
|
current_row = self._model.get_item_row(new_current[0])
|
|
return selected_rows, current_row
|
|
|
|
# Move
|
|
|
|
def _scroll_to_row(self, row: int, scroll_even_if_visible: bool = False) -> None:
|
|
"""Scroll vertically to row."""
|
|
top_border = self._view.rowViewportPosition(row)
|
|
bottom_border = top_border + self._view.rowHeight(0)
|
|
visible = top_border >= 0 and bottom_border < self._view.viewport().height()
|
|
if not visible or scroll_even_if_visible:
|
|
horizontal = self._view.horizontalScrollBar().value()
|
|
self._view.scrollTo(
|
|
self._model.index(row, 0), QAbstractItemView.ScrollHint.PositionAtTop
|
|
)
|
|
self._view.horizontalScrollBar().setValue(horizontal)
|
|
|
|
def _scroll_to_column(self, column: int) -> None:
|
|
"""Scroll horizontally to column."""
|
|
position = self._view.columnViewportPosition(column)
|
|
visible = 0 <= position < self._view.viewport().width()
|
|
if not visible:
|
|
vertical = self._view.verticalScrollBar().value()
|
|
self._view.scrollTo(
|
|
self._model.index(0, column),
|
|
QAbstractItemView.ScrollHint.PositionAtCenter,
|
|
)
|
|
self._view.verticalScrollBar().setValue(vertical)
|
|
|
|
def _move_current(
|
|
self, direction: QAbstractItemView.CursorAction, index: QModelIndex = None
|
|
) -> None:
|
|
if not self.has_current():
|
|
return
|
|
if index is None:
|
|
index = self._view.moveCursor(
|
|
direction,
|
|
self.browser.mw.app.keyboardModifiers(),
|
|
)
|
|
self._view.selectionModel().setCurrentIndex(
|
|
index,
|
|
QItemSelectionModel.SelectionFlag.Clear
|
|
| QItemSelectionModel.SelectionFlag.Select
|
|
| QItemSelectionModel.SelectionFlag.Rows,
|
|
)
|
|
|
|
def _move_current_to_row(self, row: int) -> None:
|
|
old = self._view.selectionModel().currentIndex()
|
|
self._move_current(None, self._model.index(row, 0))
|
|
if not KeyboardModifiersPressed().shift:
|
|
return
|
|
new = self._view.selectionModel().currentIndex()
|
|
selection = QItemSelection(new, old)
|
|
self._view.selectionModel().select(
|
|
selection,
|
|
QItemSelectionModel.SelectionFlag.SelectCurrent
|
|
| QItemSelectionModel.SelectionFlag.Rows,
|
|
)
|
|
|
|
|
|
class StatusDelegate(QItemDelegate):
|
|
def __init__(self, browser: aqt.browser.Browser, model: DataModel) -> None:
|
|
QItemDelegate.__init__(self, browser)
|
|
self._model = model
|
|
|
|
def paint(
|
|
self, painter: QPainter, option: QStyleOptionViewItem, index: QModelIndex
|
|
) -> None:
|
|
if self._model.get_cell(index).is_rtl:
|
|
option.direction = Qt.LayoutDirection.RightToLeft
|
|
if row_color := self._model.get_row(index).color:
|
|
brush = QBrush(theme_manager.qcolor(row_color))
|
|
painter.save()
|
|
painter.fillRect(option.rect, brush)
|
|
painter.restore()
|
|
return QItemDelegate.paint(self, painter, option, index)
|