153 lines
5.7 KiB
Python
153 lines
5.7 KiB
Python
import json
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from typing import Set
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from anki import hooks, buildinfo
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from aqt import editor, gui_hooks, mw
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from aqt.utils import *
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from aqt.theme import theme_manager
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from aqt.webview import AnkiWebView
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config = mw.addonManager.getConfig(__name__)
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class EditorPreview(object):
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editors: Set[editor.Editor] = set()
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js = [
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"js/mathjax.js",
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"js/vendor/mathjax/tex-chtml.js",
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"js/reviewer.js",
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]
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def __init__(self):
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gui_hooks.editor_did_init.append(self.editor_init_hook)
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gui_hooks.editor_did_init_buttons.append(self.editor_init_button_hook)
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gui_hooks.editor_did_load_note.append(self.editor_note_hook)
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gui_hooks.editor_did_fire_typing_timer.append(self.onedit_hook)
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buildversion = buildinfo.version.split(".")
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# Anki changed their versioning scheme in 2023 to year.month(.patch), causing things to explode here.
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if int(buildversion[0]) >= 24 or (int(buildversion[0]) == 23 and int(buildversion[1]) == 12 and 2 < len(buildversion) and int(buildversion[2])) >= 1: # >= 23.12.1
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self.js = [
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"js/mathjax.js",
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"js/vendor/mathjax/tex-chtml-full.js",
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"js/reviewer.js",
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]
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elif int(buildversion[0]) < 23 and int(buildversion[2]) < 45: # < 2.1.45
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self.js = [
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"js/vendor/jquery.min.js",
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"js/vendor/css_browser_selector.min.js",
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"js/mathjax.js",
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"js/vendor/mathjax/tex-chtml.js",
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"js/reviewer.js",
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]
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def editor_init_hook(self, ed: editor.Editor):
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ed.editor_preview = AnkiWebView(title="editor_preview")
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# This is taken out of clayout.py
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ed.editor_preview.stdHtml(
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ed.mw.reviewer.revHtml(),
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css=["css/reviewer.css"],
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js=self.js,
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context=ed,
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)
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if not config["showPreviewAutomatically"]:
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ed.editor_preview.hide()
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self._inject_splitter(ed)
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def _get_splitter(self, editor):
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mainR, editorR = [int(r) * 10000 for r in config["splitRatio"].split(":")]
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location = config["location"]
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split = QSplitter()
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if location == "above":
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split.setOrientation(Qt.Orientation.Vertical)
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split.addWidget(editor.editor_preview)
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split.addWidget(editor.wrapped_web)
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sizes = [editorR, mainR]
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elif location == "below":
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split.setOrientation(Qt.Orientation.Vertical)
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split.addWidget(editor.wrapped_web)
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split.addWidget(editor.editor_preview)
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sizes = [mainR, editorR]
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elif location == "left":
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split.setOrientation(Qt.Orientation.Horizontal)
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split.addWidget(editor.editor_preview)
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split.addWidget(editor.wrapped_web)
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sizes = [editorR, mainR]
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elif location == "right":
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split.setOrientation(Qt.Orientation.Horizontal)
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split.addWidget(editor.wrapped_web)
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split.addWidget(editor.editor_preview)
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sizes = [mainR, editorR]
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else:
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raise ValueError("Invalid value for config key location")
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split.setSizes(sizes)
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return split
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def _inject_splitter(self, editor: editor.Editor):
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layout = editor.web.parentWidget().layout()
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if layout is None:
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layout = QVBoxLayout()
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editor.web.parentWidget().setLayout(layout)
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web_index = layout.indexOf(editor.web)
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layout.removeWidget(editor.web)
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# Wrap a widget on the outer layer of the webview
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# So that other plugins can continue to modify the layout
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editor.wrapped_web = QWidget()
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wrapLayout = QHBoxLayout()
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editor.wrapped_web.setLayout(wrapLayout)
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wrapLayout.addWidget(editor.web)
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split = self._get_splitter(editor)
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layout.insertWidget(web_index, split)
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def editor_note_hook(self, editor):
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self.editors = set(filter(lambda it: it.note is not None, self.editors))
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self.editors.add(editor)
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# The initial loading of notes will also trigger an editing event
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# which will cause a second refresh
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# Caching the content of notes here will be used to determine if the content has changed
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editor.cached_fields = list(editor.note.fields)
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self.refresh(editor)
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def editor_init_button_hook(self, buttons, editor):
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addon_path = os.path.dirname(__file__)
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icons_dir = os.path.join(addon_path, "icons")
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b = editor.addButton(
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icon=os.path.join(icons_dir, "file.svg"),
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cmd="_editor_toggle_preview",
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tip="Toggle Live Preview",
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func=lambda o=editor: self.onEditorPreviewButton(o),
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disables=False,
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)
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buttons.append(b)
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def onEditorPreviewButton(self, origin: editor.Editor):
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if origin.editor_preview.isHidden():
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origin.editor_preview.show()
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else:
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origin.editor_preview.hide()
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def _obtainCardText(self, note):
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c = note.ephemeral_card()
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a = mw.prepare_card_text_for_display(c.answer())
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a = gui_hooks.card_will_show(a, c, "clayoutAnswer")
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bodyclass = theme_manager.body_classes_for_card_ord(c.ord, theme_manager.night_mode)
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bodyclass += " editor-preview"
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return f"_showAnswer({json.dumps(a)},'{bodyclass}');"
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def onedit_hook(self, note):
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for editor in self.editors:
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if editor.note == note and editor.cached_fields != note.fields:
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editor.cached_fields = list(note.fields)
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self.refresh(editor)
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def refresh(self, editor):
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editor.editor_preview.eval(self._obtainCardText(editor.note))
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eprev = EditorPreview()
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