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https://github.com/ankitects/anki.git
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311 lines
10 KiB
Python
311 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright: Damien Elmes <anki@ichi2.net>
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# License: GNU GPL, version 3 or later; http://www.gnu.org/copyleft/gpl.html
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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import anki, anki.utils
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from anki.sound import playFromText, stripSounds
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from anki.latex import renderLatex, stripLatex
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from anki.utils import stripHTML
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from anki.hooks import runHook
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import types, time, re, os, urllib, sys, difflib
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from ankiqt import ui
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from ankiqt.ui.utils import mungeQA
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from anki.utils import fmtTimeSpan
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from PyQt4.QtWebKit import QWebPage, QWebView
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failedCharColour = "#FF0000"
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passedCharColour = "#00FF00"
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futureWarningColour = "#FF0000"
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# Views - define the way a user is prompted for questions, etc
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##########################################################################
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class View(object):
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"Handle the main window update as we transition through various states."
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def __init__(self, parent, body, frame=None):
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self.main = parent
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self.body = body
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self.frame = frame
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self.main.connect(self.body, SIGNAL("loadFinished(bool)"),
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self.onLoadFinished)
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# State control
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##########################################################################
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def setState(self, state):
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"Change to STATE, and update the display."
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self.oldState = getattr(self, 'state', None)
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self.state = state
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if self.state == "initial":
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return
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elif self.state == "noDeck":
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self.clearWindow()
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self.drawWelcomeMessage()
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self.flush()
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return
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self.redisplay()
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def redisplay(self):
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"Idempotently display the current state (prompt for question, etc)"
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if self.state == "noDeck" or self.state == "studyScreen":
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return
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self.clearWindow()
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self.haveTop = (self.main.lastCard and (
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self.main.config['showLastCardContent'] or
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self.main.config['showLastCardInterval'])) or (
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self.main.currentCard and self.main.currentCard.due > time.time())
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self.drawRule = (self.main.config['qaDivider'] and
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self.main.currentCard and
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not self.main.currentCard.cardModel.questionInAnswer)
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if not self.main.deck.isEmpty():
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if self.haveTop:
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self.drawTopSection()
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if self.state == "showQuestion":
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self.drawQuestion()
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if self.drawRule:
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self.write("<hr>")
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elif self.state == "showAnswer":
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if not self.main.currentCard.cardModel.questionInAnswer:
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self.drawQuestion(nosound=True)
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if self.drawRule:
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self.write("<hr>")
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self.drawAnswer()
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elif self.state == "deckEmpty":
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self.drawWelcomeMessage()
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elif self.state == "deckFinished":
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self.drawDeckFinishedMessage()
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self.flush()
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def addStyles(self):
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# card styles
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s = "<style>\n"
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if self.main.deck:
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s += self.main.deck.css
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s += "div { white-space: pre-wrap; }"
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s += "</style>"
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return s
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def clearWindow(self):
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self.body.setHtml("")
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self.buffer = ""
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# Font properties & output
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##########################################################################
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def flush(self):
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"Write the current HTML buffer to the screen."
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self.buffer = self.addStyles() + self.buffer
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# hook for user css
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runHook("preFlushHook")
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#print self.buffer.encode("utf-8")
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self.body.setHtml(self.buffer)
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def write(self, text):
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if type(text) != types.UnicodeType:
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text = unicode(text, "utf-8")
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self.buffer += text
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# Question and answer
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##########################################################################
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def center(self, str, height=40):
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if not self.main.config['splitQA']:
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return "<center>" + str + "</center>"
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return '''\
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<center><div style="display: table; height: %s%%; width:100%%; overflow: hidden;">\
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<div style="display: table-cell; vertical-align: middle;">\
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<div style="">%s</div></div></div></center>''' % (height, str)
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def drawQuestion(self, nosound=False):
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"Show the question."
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if not self.main.config['splitQA']:
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self.write("<br>")
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q = self.main.currentCard.htmlQuestion()
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if self.haveTop:
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height = 35
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else:
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height = 45
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self.write(self.center(self.mungeQA(self.main.deck, q), height))
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if self.state != self.oldState and not nosound:
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playFromText(q)
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def correct(self, a, b):
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ret = "";
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s = difflib.SequenceMatcher(None, b, a)
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sz = self.main.currentCard.cardModel.answerFontSize
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ok = "background: %s; color: #000; font-size: %dpx" % (
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passedCharColour, sz)
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bad = "background: %s; color: #000; font-size: %dpx;" % (
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failedCharColour, sz)
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for tag, i1, i2, j1, j2 in s.get_opcodes():
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if tag == "equal":
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ret += ("<span style='%s'>%s</span>" % (ok, b[i1:i2]))
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elif tag == "replace":
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ret += ("<span style='%s'>%s</span>"
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% (bad, b[i1:i2] + (" " * ((j2 - j1) - (i2 - i1)))))
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elif tag == "delete":
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ret += ("<span style='%s'>%s</span>" % (bad, b[i1:i2]))
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elif tag == "insert":
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ret += ("<span style='%s'>%s</span>" % (bad, " " * (j2 - j1)))
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return ret
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def drawAnswer(self):
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"Show the answer."
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a = self.main.currentCard.htmlAnswer()
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if self.main.currentCard.cardModel.typeAnswer:
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try:
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cor = stripHTML(self.main.currentCard.fact[
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self.main.currentCard.cardModel.typeAnswer])
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except KeyError:
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cor = ""
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if cor:
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given = unicode(self.main.typeAnswerField.text())
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res = self.correct(cor, given)
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a = res + "<br>" + a
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self.write(self.center('<span id=answer />'
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+ self.mungeQA(self.main.deck, a)))
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if self.state != self.oldState:
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playFromText(a)
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def mungeQA(self, deck, txt):
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txt = mungeQA(deck, txt)
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# hack to fix thai presentation issues
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if self.main.config['addZeroSpace']:
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txt = txt.replace("</span>", "​</span>")
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return txt
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def onLoadFinished(self):
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if self.state == "showAnswer":
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if self.main.config['scrollToAnswer']:
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mf = self.body.page().mainFrame()
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mf.evaluateJavaScript("location.hash = 'answer'")
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# Top section
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##########################################################################
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def drawTopSection(self):
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"Show previous card, next scheduled time, and stats."
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self.buffer += "<center>"
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self.drawFutureWarning()
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self.drawLastCard()
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self.buffer += "</center>"
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def drawFutureWarning(self):
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if not self.main.currentCard:
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return
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if self.main.currentCard.due <= time.time():
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return
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if self.main.currentCard.due - time.time() <= self.main.deck.delay0:
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return
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self.write("<span style='color: %s'>" % futureWarningColour +
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_("This card was due in %s.") % fmtTimeSpan(
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self.main.currentCard.due - time.time()) +
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"</span>")
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def drawLastCard(self):
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"Show the last card if not the current one, and next time."
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if self.main.lastCard:
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if self.main.config['showLastCardContent']:
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if (self.state == "deckFinished" or
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self.main.currentCard.id != self.main.lastCard.id):
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q = self.main.lastCard.question.replace("<br>", " ")
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q = stripHTML(q)
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if len(q) > 50:
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q = q[:50] + "..."
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a = self.main.lastCard.answer.replace("<br>", " ")
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a = stripHTML(a)
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if len(a) > 50:
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a = a[:50] + "..."
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s = "%s<br>%s" % (q, a)
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s = stripLatex(s)
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self.write('<span class="lastCard">%s</span><br>' % s)
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if self.main.config['showLastCardInterval']:
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if self.main.lastQuality > 1:
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msg = _("Well done! This card will appear again in "
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"<b>%(next)s</b>.") % \
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{"next":self.main.lastScheduledTime}
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else:
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msg = _("This card will appear again later.")
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self.write(msg)
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self.write("<br>")
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# Welcome/empty/finished deck messages
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##########################################################################
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def drawWelcomeMessage(self):
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self.main.mainWin.welcomeText.setText(_("""
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<h1>Welcome to Anki!</h1>
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<p>
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<table>
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<tr>
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<td width=50>
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<a href="welcome:addfacts"><img src=":/icons/list-add.png"></a>
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</td>
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<td valign=middle><h1><a href="welcome:addfacts">Add material</a></h1>
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Start adding your own material.</td>
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</tr>
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</table>
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<br>
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<table>
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<tr>
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<td>
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<a href="welcome:open"><img src=":/icons/document-open.png"></a>
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</td>
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<td valign=middle><h2><a href="welcome:open">Open Local Deck</a></h2></td>
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</tr>
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<tr>
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<td>
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<a href="welcome:openrem"><img src=":/icons/document-open-remote.png"></a>
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</td>
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<td valign=middle><h2><a href="welcome:openrem">Open Online Deck</a></h2></td>
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</tr>
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<tr>
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<td width=50>
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<a href="welcome:sample"><img src=":/icons/anki.png"></a>
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</td>
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<td valign=middle><h2><a href="welcome:sample">Open Sample Deck</a></h2></td>
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</tr>
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<tr>
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<td width=50>
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<a href="welcome:more"><img src=":/icons/khtml_kget.png"></a>
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</td>
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<td valign=middle><h2><a href="welcome:more">Get More Decks</a></h2></td>
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</tr>
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</table>"""))
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def drawDeckFinishedMessage(self):
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"Tell the user the deck is finished."
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self.main.mainWin.congratsLabel.setText(
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self.main.deck.deckFinishedMsg())
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class AnkiWebView(QWebView):
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def __init__(self, *args):
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QWebView.__init__(self, *args)
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self.setObjectName("mainText")
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def keyPressEvent(self, evt):
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if evt.matches(QKeySequence.Copy):
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self.triggerPageAction(QWebPage.Copy)
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evt.accept()
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evt.ignore()
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def contextMenuEvent(self, evt):
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QWebView.contextMenuEvent(self, evt)
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def dropEvent(self, evt):
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pass
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