2020-03-29 21:10:30 +02:00
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import json
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import re
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import time
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2020-03-30 10:37:38 +02:00
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from typing import Any, List, Optional, Union
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2020-03-29 21:10:30 +02:00
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2020-03-30 15:40:19 +02:00
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from anki.cards import Card
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2020-03-29 21:10:30 +02:00
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from anki.lang import _
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from aqt import AnkiQt, gui_hooks
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from aqt.qt import (
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QAbstractItemView,
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QCheckBox,
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QDialog,
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QDialogButtonBox,
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QKeySequence,
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Qt,
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QVBoxLayout,
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QWidget,
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)
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from aqt.sound import av_player, play_clicked_audio
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from aqt.theme import theme_manager
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from aqt.utils import restoreGeom, saveGeom
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from aqt.webview import AnkiWebView
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2020-04-02 10:02:54 +02:00
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class Previewer(QDialog):
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_last_state = None
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_card_changed = False
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_last_render: Union[int, float] = 0
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_timer = None
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_show_both_sides = False
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2020-03-29 21:10:30 +02:00
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def __init__(self, parent: QWidget, mw: AnkiQt):
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super().__init__(None, Qt.Window)
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self._open = True
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self._parent = parent
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self.mw = mw
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def card(self) -> Optional[Card]:
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raise NotImplementedError
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def open(self):
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self._state = "question"
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self._last_state = None
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self._create_gui()
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self._setup_web_view()
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self.render_card(True)
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self.show()
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def _create_gui(self):
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self.setWindowTitle(_("Preview"))
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self.finished.connect(self._onFinished)
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self.silentlyClose = True
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self.vbox = QVBoxLayout()
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self.vbox.setContentsMargins(0, 0, 0, 0)
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self._web = AnkiWebView(title="previewer")
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self.vbox.addWidget(self._web)
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self.bbox = QDialogButtonBox()
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self._replay = self.bbox.addButton(
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_("Replay Audio"), QDialogButtonBox.ActionRole
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)
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self._replay.setAutoDefault(False)
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self._replay.setShortcut(QKeySequence("R"))
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self._replay.setToolTip(_("Shortcut key: %s" % "R"))
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self._replay.clicked.connect(self._onReplayAudio)
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both_sides_button = QCheckBox(_("Show Both Sides"))
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both_sides_button.setShortcut(QKeySequence("B"))
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both_sides_button.setToolTip(_("Shortcut key: %s" % "B"))
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self.bbox.addButton(both_sides_button, QDialogButtonBox.ActionRole)
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self._show_both_sides = self.mw.col.conf.get("previewBothSides", False)
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both_sides_button.setChecked(self._show_both_sides)
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both_sides_button.toggled.connect(self._on_show_both_sides)
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self.vbox.addWidget(self.bbox)
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self.setLayout(self.vbox)
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restoreGeom(self, "preview")
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def _on_finished(self, ok):
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saveGeom(self, "preview")
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self.mw.progress.timer(100, self._on_close, False)
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def _on_replay_audio(self):
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self.mw.reviewer.replayAudio(self)
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def close(self):
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if self:
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self.close()
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self._on_close()
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def _on_close(self):
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self._open = False
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def _setup_web_view(self):
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jsinc = [
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"jquery.js",
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"browsersel.js",
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"mathjax/conf.js",
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"mathjax/MathJax.js",
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"reviewer.js",
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]
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self._previewWeb.stdHtml(
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self.mw.reviewer.revHtml(), css=["reviewer.css"], js=jsinc, context=self,
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)
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self._web.set_bridge_command(self._on_bridge_cmd, self)
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def _on_bridge_cmd(self, cmd: str) -> Any:
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if cmd.startswith("play:"):
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play_clicked_audio(cmd, self.card())
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def render_card(self, cardChanged=False):
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self.cancel_timer()
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# Keep track of whether render() has ever been called
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# with cardChanged=True since the last successful render
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self._card_changed |= cardChanged
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# avoid rendering in quick succession
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elap_ms = int((time.time() - self._last_render) * 1000)
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delay = 300
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if elap_ms < delay:
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self._timer = self.mw.progress.timer(
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delay - elap_ms, self._render_scheduled, False
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)
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else:
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self._render_scheduled()
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def cancel_timer(self):
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if self._timer:
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self._timer.stop()
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self._timer = None
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def _render_scheduled(self) -> None:
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self.cancel_timer()
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self._last_render = time.time()
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if not self._open:
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return
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c = self.card()
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func = "_showQuestion"
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if not c:
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txt = _("(please select 1 card)")
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bodyclass = ""
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self._last_state = None
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else:
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if self._show_both_sides:
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self._state = "answer"
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elif self._card_changed:
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self._state = "question"
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currentState = self._state_and_mod()
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if currentState == self._last_state:
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# nothing has changed, avoid refreshing
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return
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# need to force reload even if answer
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txt = c.q(reload=True)
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if self._state == "answer":
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func = "_showAnswer"
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txt = c.a()
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txt = re.sub(r"\[\[type:[^]]+\]\]", "", txt)
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bodyclass = theme_manager.body_classes_for_card_ord(c.ord)
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if self.mw.reviewer.autoplay(c):
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if self._show_both_sides:
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# if we're showing both sides at once, remove any audio
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# from the answer that's appeared on the question already
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question_audio = c.question_av_tags()
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only_on_answer_audio = [
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x for x in c.answer_av_tags() if x not in question_audio
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]
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audio = question_audio + only_on_answer_audio
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elif self._state == "question":
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audio = c.question_av_tags()
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else:
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audio = c.answer_av_tags()
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av_player.play_tags(audio)
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else:
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av_player.clear_queue_and_maybe_interrupt()
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txt = self.mw.prepare_card_text_for_display(txt)
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txt = gui_hooks.card_will_show(txt, c, "preview" + self._state.capitalize())
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self._last_state = self._state_and_mod()
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self._web.eval("{}({},'{}');".format(func, json.dumps(txt), bodyclass))
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self._card_changed = False
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def _on_show_both_sides(self, toggle):
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self._show_both_sides = toggle
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self.mw.col.conf["previewBothSides"] = toggle
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self.mw.col.setMod()
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if self._state == "answer" and not toggle:
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self._state = "question"
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self.render_card()
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def _state_and_mod(self):
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c = self.card()
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n = c.note()
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n.load()
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return (self._state, c.id, n.mod)
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class MultiCardPreviewer(Previewer):
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def card(self) -> Optional[Card]:
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# need to state explicitly it's not implement to avoid W0223
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raise NotImplementedError
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def _create_gui(self):
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super()._create_gui()
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self._prev = self.bbox.addButton("<", QDialogButtonBox.ActionRole)
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self._prev.setAutoDefault(False)
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self._prev.setShortcut(QKeySequence("Left"))
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self._prev.setToolTip(_("Shortcut key: Left arrow"))
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self._next = self.bbox.addButton(">", QDialogButtonBox.ActionRole)
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self._next.setAutoDefault(True)
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self._next.setShortcut(QKeySequence("Right"))
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self._next.setToolTip(_("Shortcut key: Right arrow or Enter"))
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self._prev.clicked.connect(self._on_prev)
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self._next.clicked.connect(self._on_next)
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def _on_prev(self):
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if self._state == "answer" and not self._show_both_sides:
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self._state = "question"
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self.render_card()
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else:
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self._on_prev_card()
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def _on_prev_card(self):
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pass
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def _on_next(self):
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if self._state == "question":
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self._state = "answer"
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self.render_card()
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else:
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self._on_next_card()
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def _on_next_card(self):
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pass
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def _updateButtons(self):
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if not self._open:
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return
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self._prev.setEnabled(self._should_enable_prev())
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self._next.setEnabled(self._should_enable_next())
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def _should_enable_prev(self):
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return self._state == "answer" and not self._show_both_sides
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def _should_enable_next(self):
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return self._state == "question"
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def _on_close(self):
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super()._on_close()
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self._prev = None
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self._next = None
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class BrowserPreviewer(MultiCardPreviewer):
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def card(self) -> Optional[Card]:
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2020-04-02 10:31:29 +02:00
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if self._parent.singleCard:
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return self._parent.card
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2020-03-30 10:13:38 +02:00
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else:
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return None
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2020-04-02 17:34:53 +02:00
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def _on_finished(self, ok):
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super()._on_finished(ok)
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2020-04-02 10:31:29 +02:00
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self._parent.form.previewButton.setChecked(False)
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2020-03-30 10:13:38 +02:00
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2020-04-02 17:34:53 +02:00
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def _on_prev_card(self):
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2020-04-02 10:31:29 +02:00
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self._parent.editor.saveNow(
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lambda: self._parent._moveCur(QAbstractItemView.MoveUp)
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2020-03-29 22:32:24 +02:00
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)
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2020-03-30 10:13:38 +02:00
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2020-04-02 17:34:53 +02:00
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def _on_next_card(self):
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2020-04-02 10:31:29 +02:00
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self._parent.editor.saveNow(
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lambda: self._parent._moveCur(QAbstractItemView.MoveDown)
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2020-03-30 10:13:38 +02:00
|
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)
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def _should_enable_prev(self):
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2020-04-02 10:31:29 +02:00
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return super()._should_enable_prev() or self._parent.currentRow() > 0
|
2020-03-30 09:56:46 +02:00
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def _should_enable_next(self):
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2020-03-30 10:13:38 +02:00
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return (
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super()._should_enable_next()
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2020-04-02 10:31:29 +02:00
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or self._parent.currentRow() < self._parent.model.rowCount(None) - 1
|
2020-03-29 22:32:24 +02:00
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)
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2020-04-02 17:34:53 +02:00
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def _on_close(self):
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super()._on_close()
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2020-04-02 10:31:29 +02:00
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self._parent.previewer = None
|
2020-03-29 22:32:24 +02:00
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2020-04-02 17:34:53 +02:00
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def _render_scheduled(self) -> None:
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super()._render_scheduled()
|
2020-04-02 09:48:25 +02:00
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self._updateButtons()
|
2020-03-29 23:41:00 +02:00
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|
2020-04-03 00:27:26 +02:00
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class CardListPreviewer(MultiCardPreviewer):
|
2020-03-30 15:10:47 +02:00
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def __init__(self, cards: List[Union[Card, int]], *args, **kwargs):
|
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|
"""A previewer displaying a list of card.
|
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|
List can be changed by setting self.cards to a new value.
|
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self.cards contains both cid and card. So that card is loaded
|
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|
only when required and is not loaded twice.
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"""
|
2020-03-30 10:37:38 +02:00
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|
|
self.index = 0
|
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|
|
self.cards = cards
|
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|
|
super().__init__(*args, **kwargs)
|
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|
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def card(self):
|
|
|
|
if not self.cards:
|
|
|
|
return None
|
2020-03-30 15:10:47 +02:00
|
|
|
if isinstance(self.cards[self.index], int):
|
|
|
|
self.cards[self.index] = self.mw.col.getCard(self.cards[self.index])
|
|
|
|
return self.cards[self.index]
|
2020-03-30 10:37:38 +02:00
|
|
|
|
2020-04-02 09:35:51 +02:00
|
|
|
def open(self):
|
2020-03-30 10:37:38 +02:00
|
|
|
if not self.cards:
|
|
|
|
return
|
2020-04-02 09:35:51 +02:00
|
|
|
super().open()
|
2020-03-30 10:37:38 +02:00
|
|
|
|
2020-04-02 17:34:53 +02:00
|
|
|
def _on_prev_card(self):
|
2020-03-30 10:37:38 +02:00
|
|
|
self.index -= 1
|
2020-04-03 00:29:35 +02:00
|
|
|
self.render_card()
|
2020-03-30 10:37:38 +02:00
|
|
|
|
2020-04-02 17:34:53 +02:00
|
|
|
def _on_next_card(self):
|
2020-03-30 10:37:38 +02:00
|
|
|
self.index += 1
|
2020-04-03 00:29:35 +02:00
|
|
|
self.render_card()
|
2020-03-30 10:37:38 +02:00
|
|
|
|
|
|
|
def _should_enable_prev(self):
|
|
|
|
return super()._should_enable_prev() or self.index > 0
|
|
|
|
|
|
|
|
def _should_enable_next(self):
|
|
|
|
return super()._should_enable_next() or self.index < len(self.cards) - 1
|
|
|
|
|
|
|
|
def _on_other_side(self):
|
2020-04-02 09:48:25 +02:00
|
|
|
if self._state == "question":
|
|
|
|
self._state = "answer"
|
2020-03-30 10:37:38 +02:00
|
|
|
else:
|
2020-04-02 09:48:25 +02:00
|
|
|
self._state = "question"
|
2020-04-03 00:29:35 +02:00
|
|
|
self.render_card()
|
2020-03-30 10:37:38 +02:00
|
|
|
|
|
|
|
|
2020-03-29 23:41:00 +02:00
|
|
|
class SingleCardPreviewer(Previewer):
|
|
|
|
def __init__(self, card: Card, *args, **kwargs):
|
|
|
|
self._card = card
|
|
|
|
super().__init__(*args, **kwargs)
|
|
|
|
|
|
|
|
def card(self) -> Card:
|
|
|
|
return self._card
|
|
|
|
|
|
|
|
def _create_gui(self):
|
|
|
|
super()._create_gui()
|
|
|
|
self._other_side = self.bbox.addButton(
|
|
|
|
"Other side", QDialogButtonBox.ActionRole
|
|
|
|
)
|
|
|
|
self._other_side.setAutoDefault(False)
|
|
|
|
self._other_side.setShortcut(QKeySequence("Right"))
|
|
|
|
self._other_side.setShortcut(QKeySequence("Left"))
|
|
|
|
self._other_side.setToolTip(_("Shortcut key: Left or Right arrow"))
|
|
|
|
self._other_side.clicked.connect(self._on_other_side)
|
|
|
|
|
|
|
|
def _on_other_side(self):
|
2020-04-02 09:48:25 +02:00
|
|
|
if self._state == "question":
|
|
|
|
self._state = "answer"
|
2020-03-29 23:41:00 +02:00
|
|
|
else:
|
2020-04-02 09:48:25 +02:00
|
|
|
self._state = "question"
|
2020-04-03 00:29:35 +02:00
|
|
|
self.render_card()
|