예제 #1
0
파일: coloring.py 프로젝트: tletnes/calibre
class ConditionEditor(QWidget):  # {{{

    ACTION_MAP = {
            'bool' : (
                    (_('is true'), 'is true',),
                    (_('is false'), 'is false'),
                    (_('is undefined'), 'is undefined')
            ),
            'ondevice' : (
                    (_('is true'), 'is set',),
                    (_('is false'), 'is not set'),
            ),
            'identifiers' : (
                (_('has id'), 'has id'),
                (_('does not have id'), 'does not have id'),
            ),
            'int' : (
                (_('is equal to'), 'eq'),
                (_('is less than'), 'lt'),
                (_('is greater than'), 'gt')
            ),
            'datetime' : (
                (_('is equal to'), 'eq'),
                (_('is less than'), 'lt'),
                (_('is greater than'), 'gt'),
                (_('is set'), 'is set'),
                (_('is not set'), 'is not set'),
                (_('is more days ago than'), 'older count days'),
                (_('is fewer days ago than'), 'count_days'),
                (_('is more days from now than'), 'newer future days'),
                (_('is fewer days from now than'), 'older future days')
            ),
            'multiple' : (
                (_('has'), 'has'),
                (_('does not have'), 'does not have'),
                (_('has pattern'), 'has pattern'),
                (_('does not have pattern'), 'does not have pattern'),
                (_('is set'), 'is set'),
                (_('is not set'), 'is not set'),
            ),
            'single'   : (
                (_('is'), 'is'),
                (_('is not'), 'is not'),
                (_('contains'), 'contains'),
                (_('does not contain'), 'does not contain'),
                (_('matches pattern'), 'matches pattern'),
                (_('does not match pattern'), 'does not match pattern'),
                (_('is set'), 'is set'),
                (_('is not set'), 'is not set'),
            ),
    }

    for x in ('float', 'rating'):
        ACTION_MAP[x] = ACTION_MAP['int']

    def __init__(self, fm, parent=None):
        QWidget.__init__(self, parent)
        self.fm = fm

        self.action_map = self.ACTION_MAP

        self.l = l = QGridLayout(self)
        self.setLayout(l)

        texts = _('If the ___ column ___ values')
        try:
            one, two, three = texts.split('___')
        except:
            one, two, three = 'If the ', ' column ', ' value '

        self.l1 = l1 = QLabel(one)
        l.addWidget(l1, 0, 0)

        self.column_box = QComboBox(self)
        l.addWidget(self.column_box, 0, 1)

        self.l2 = l2 = QLabel(two)
        l.addWidget(l2, 0, 2)

        self.action_box = QComboBox(self)
        l.addWidget(self.action_box, 0, 3)

        self.l3 = l3 = QLabel(three)
        l.addWidget(l3, 0, 4)

        self.value_box = QLineEdit(self)
        l.addWidget(self.value_box, 0, 5)

        self.column_box.addItem('', '')
        for key in sorted(
                conditionable_columns(fm),
                key=lambda key: sort_key(fm[key]['name'])):
            self.column_box.addItem(fm[key]['name'], key)
        self.column_box.setCurrentIndex(0)

        self.column_box.currentIndexChanged.connect(self.init_action_box)
        self.action_box.currentIndexChanged.connect(self.init_value_box)

        for b in (self.column_box, self.action_box):
            b.setSizeAdjustPolicy(b.AdjustToMinimumContentsLengthWithIcon)
            b.setMinimumContentsLength(20)

    @dynamic_property
    def current_col(self):
        def fget(self):
            idx = self.column_box.currentIndex()
            return unicode_type(self.column_box.itemData(idx) or '')

        def fset(self, val):
            for idx in range(self.column_box.count()):
                c = unicode_type(self.column_box.itemData(idx) or '')
                if c == val:
                    self.column_box.setCurrentIndex(idx)
                    return
            raise ValueError('Column %r not found'%val)
        return property(fget=fget, fset=fset)

    @dynamic_property
    def current_action(self):
        def fget(self):
            idx = self.action_box.currentIndex()
            return unicode_type(self.action_box.itemData(idx) or '')

        def fset(self, val):
            for idx in range(self.action_box.count()):
                c = unicode_type(self.action_box.itemData(idx) or '')
                if c == val:
                    self.action_box.setCurrentIndex(idx)
                    return
            raise ValueError('Action %r not valid for current column'%val)
        return property(fget=fget, fset=fset)

    @property
    def current_val(self):
        ans = unicode_type(self.value_box.text()).strip()
        if self.current_col == 'languages':
            rmap = {lower(v):k for k, v in lang_map().iteritems()}
            ans = rmap.get(lower(ans), ans)
        return ans

    @dynamic_property
    def condition(self):

        def fget(self):
            c, a, v = (self.current_col, self.current_action,
                    self.current_val)
            if not c or not a:
                return None
            return (c, a, v)

        def fset(self, condition):
            c, a, v = condition
            if not v:
                v = ''
            v = v.strip()
            self.current_col = c
            self.current_action = a
            self.value_box.setText(v)

        return property(fget=fget, fset=fset)

    def init_action_box(self):
        self.action_box.blockSignals(True)
        self.action_box.clear()
        self.action_box.addItem('', '')
        col = self.current_col
        if col:
            m = self.fm[col]
            dt = m['datatype']
            if dt in self.action_map:
                actions = self.action_map[dt]
            else:
                if col == 'ondevice':
                    k = 'ondevice'
                elif col == 'identifiers':
                    k = 'identifiers'
                else:
                    k = 'multiple' if m['is_multiple'] else 'single'
                actions = self.action_map[k]

            for text, key in actions:
                self.action_box.addItem(text, key)
        self.action_box.setCurrentIndex(0)
        self.action_box.blockSignals(False)
        self.init_value_box()

    def init_value_box(self):
        self.value_box.setEnabled(True)
        self.value_box.setText('')
        self.value_box.setInputMask('')
        self.value_box.setValidator(None)
        col = self.current_col
        if not col:
            return
        action = self.current_action
        if not action:
            return
        m = self.fm[col]
        dt = m['datatype']
        tt = ''
        if col == 'identifiers':
            tt = _('Enter either an identifier type or an '
                    'identifier type and value of the form identifier:value')
        elif col == 'languages':
            tt = _('Enter a 3 letter ISO language code, like fra for French'
                    ' or deu for German or eng for English. You can also use'
                    ' the full language name, in which case calibre will try to'
                    ' automatically convert it to the language code.')
        elif dt in ('int', 'float', 'rating'):
            tt = _('Enter a number')
            v = QIntValidator if dt == 'int' else QDoubleValidator
            self.value_box.setValidator(v(self.value_box))
        elif dt == 'datetime':
            if action == 'count_days':
                self.value_box.setValidator(QIntValidator(self.value_box))
                tt = _('Enter the maximum days old the item can be. Zero is today. '
                       'Dates in the future always match')
            elif action == 'older count days':
                self.value_box.setValidator(QIntValidator(self.value_box))
                tt = _('Enter the minimum days old the item can be. Zero is today. '
                       'Dates in the future never match')
            elif action == 'older future days':
                self.value_box.setValidator(QIntValidator(self.value_box))
                tt = _('Enter the maximum days in the future the item can be. '
                       'Zero is today. Dates in the past always match')
            elif action == 'newer future days':
                self.value_box.setValidator(QIntValidator(self.value_box))
                tt = _('Enter the minimum days in the future the item can be. '
                       'Zero is today. Dates in the past never match')
            else:
                self.value_box.setInputMask('9999-99-99')
                tt = _('Enter a date in the format YYYY-MM-DD')
        else:
            tt = _('Enter a string.')
            if 'pattern' in action:
                tt = _('Enter a regular expression')
            elif m.get('is_multiple', False):
                tt += '\n' + _('You can match multiple values by separating'
                        ' them with %s')%m['is_multiple']['ui_to_list']
        self.value_box.setToolTip(tt)
        if action in ('is set', 'is not set', 'is true', 'is false',
                'is undefined'):
            self.value_box.setEnabled(False)
예제 #2
0
파일: coloring.py 프로젝트: rakyi/calibre
class ConditionEditor(QWidget):  # {{{

    ACTION_MAP = {
            'bool' : (
                    (_('is true'), 'is true',),
                    (_('is false'), 'is false'),
                    (_('is undefined'), 'is undefined')
            ),
            'ondevice' : (
                    (_('is true'), 'is set',),
                    (_('is false'), 'is not set'),
            ),
            'identifiers' : (
                (_('has id'), 'has id'),
                (_('does not have id'), 'does not have id'),
            ),
            'int' : (
                (_('is equal to'), 'eq'),
                (_('is less than'), 'lt'),
                (_('is greater than'), 'gt')
            ),
            'datetime' : (
                (_('is equal to'), 'eq'),
                (_('is less than'), 'lt'),
                (_('is greater than'), 'gt'),
                (_('is set'), 'is set'),
                (_('is not set'), 'is not set'),
                (_('is more days ago than'), 'older count days'),
                (_('is fewer days ago than'), 'count_days'),
                (_('is more days from now than'), 'newer future days'),
                (_('is fewer days from now than'), 'older future days')
            ),
            'multiple' : (
                (_('has'), 'has'),
                (_('does not have'), 'does not have'),
                (_('has pattern'), 'has pattern'),
                (_('does not have pattern'), 'does not have pattern'),
                (_('is set'), 'is set'),
                (_('is not set'), 'is not set'),
            ),
            'single'   : (
                (_('is'), 'is'),
                (_('is not'), 'is not'),
                (_('matches pattern'), 'matches pattern'),
                (_('does not match pattern'), 'does not match pattern'),
                (_('is set'), 'is set'),
                (_('is not set'), 'is not set'),
            ),
    }

    for x in ('float', 'rating'):
        ACTION_MAP[x] = ACTION_MAP['int']

    def __init__(self, fm, parent=None):
        QWidget.__init__(self, parent)
        self.fm = fm

        self.action_map = self.ACTION_MAP

        self.l = l = QGridLayout(self)
        self.setLayout(l)

        texts = _('If the ___ column ___ values')
        try:
            one, two, three = texts.split('___')
        except:
            one, two, three = 'If the ', ' column ', ' value '

        self.l1 = l1 = QLabel(one)
        l.addWidget(l1, 0, 0)

        self.column_box = QComboBox(self)
        l.addWidget(self.column_box, 0, 1)

        self.l2 = l2 = QLabel(two)
        l.addWidget(l2, 0, 2)

        self.action_box = QComboBox(self)
        l.addWidget(self.action_box, 0, 3)

        self.l3 = l3 = QLabel(three)
        l.addWidget(l3, 0, 4)

        self.value_box = QLineEdit(self)
        l.addWidget(self.value_box, 0, 5)

        self.column_box.addItem('', '')
        for key in sorted(
                conditionable_columns(fm),
                key=lambda(key): sort_key(fm[key]['name'])):
            self.column_box.addItem(fm[key]['name'], key)
        self.column_box.setCurrentIndex(0)

        self.column_box.currentIndexChanged.connect(self.init_action_box)
        self.action_box.currentIndexChanged.connect(self.init_value_box)

        for b in (self.column_box, self.action_box):
            b.setSizeAdjustPolicy(b.AdjustToMinimumContentsLengthWithIcon)
            b.setMinimumContentsLength(20)

    @dynamic_property
    def current_col(self):
        def fget(self):
            idx = self.column_box.currentIndex()
            return unicode(self.column_box.itemData(idx) or '')

        def fset(self, val):
            for idx in range(self.column_box.count()):
                c = unicode(self.column_box.itemData(idx) or '')
                if c == val:
                    self.column_box.setCurrentIndex(idx)
                    return
            raise ValueError('Column %r not found'%val)
        return property(fget=fget, fset=fset)

    @dynamic_property
    def current_action(self):
        def fget(self):
            idx = self.action_box.currentIndex()
            return unicode(self.action_box.itemData(idx) or '')

        def fset(self, val):
            for idx in range(self.action_box.count()):
                c = unicode(self.action_box.itemData(idx) or '')
                if c == val:
                    self.action_box.setCurrentIndex(idx)
                    return
            raise ValueError('Action %r not valid for current column'%val)
        return property(fget=fget, fset=fset)

    @property
    def current_val(self):
        ans = unicode(self.value_box.text()).strip()
        if self.current_col == 'languages':
            rmap = {lower(v):k for k, v in lang_map().iteritems()}
            ans = rmap.get(lower(ans), ans)
        return ans

    @dynamic_property
    def condition(self):

        def fget(self):
            c, a, v = (self.current_col, self.current_action,
                    self.current_val)
            if not c or not a:
                return None
            return (c, a, v)

        def fset(self, condition):
            c, a, v = condition
            if not v:
                v = ''
            v = v.strip()
            self.current_col = c
            self.current_action = a
            self.value_box.setText(v)

        return property(fget=fget, fset=fset)

    def init_action_box(self):
        self.action_box.blockSignals(True)
        self.action_box.clear()
        self.action_box.addItem('', '')
        col = self.current_col
        if col:
            m = self.fm[col]
            dt = m['datatype']
            if dt in self.action_map:
                actions = self.action_map[dt]
            else:
                if col == 'ondevice':
                    k = 'ondevice'
                elif col == 'identifiers':
                    k = 'identifiers'
                else:
                    k = 'multiple' if m['is_multiple'] else 'single'
                actions = self.action_map[k]

            for text, key in actions:
                self.action_box.addItem(text, key)
        self.action_box.setCurrentIndex(0)
        self.action_box.blockSignals(False)
        self.init_value_box()

    def init_value_box(self):
        self.value_box.setEnabled(True)
        self.value_box.setText('')
        self.value_box.setInputMask('')
        self.value_box.setValidator(None)
        col = self.current_col
        if not col:
            return
        action = self.current_action
        if not action:
            return
        m = self.fm[col]
        dt = m['datatype']
        tt = ''
        if col == 'identifiers':
            tt = _('Enter either an identifier type or an '
                    'identifier type and value of the form identifier:value')
        elif col == 'languages':
            tt = _('Enter a 3 letter ISO language code, like fra for French'
                    ' or deu for German or eng for English. You can also use'
                    ' the full language name, in which case calibre will try to'
                    ' automatically convert it to the language code.')
        elif dt in ('int', 'float', 'rating'):
            tt = _('Enter a number')
            v = QIntValidator if dt == 'int' else QDoubleValidator
            self.value_box.setValidator(v(self.value_box))
        elif dt == 'datetime':
            if action == 'count_days':
                self.value_box.setValidator(QIntValidator(self.value_box))
                tt = _('Enter the maximum days old the item can be. Zero is today. '
                       'Dates in the future always match')
            elif action == 'older count days':
                self.value_box.setValidator(QIntValidator(self.value_box))
                tt = _('Enter the minimum days old the item can be. Zero is today. '
                       'Dates in the future never match')
            elif action == 'older future days':
                self.value_box.setValidator(QIntValidator(self.value_box))
                tt = _('Enter the maximum days in the future the item can be. '
                       'Zero is today. Dates in the past always match')
            elif action == 'newer future days':
                self.value_box.setValidator(QIntValidator(self.value_box))
                tt = _('Enter the minimum days in the future the item can be. '
                       'Zero is today. Dates in the past never match')
            else:
                self.value_box.setInputMask('9999-99-99')
                tt = _('Enter a date in the format YYYY-MM-DD')
        else:
            tt = _('Enter a string.')
            if 'pattern' in action:
                tt = _('Enter a regular expression')
            elif m.get('is_multiple', False):
                tt += '\n' + _('You can match multiple values by separating'
                        ' them with %s')%m['is_multiple']['ui_to_list']
        self.value_box.setToolTip(tt)
        if action in ('is set', 'is not set', 'is true', 'is false',
                'is undefined'):
            self.value_box.setEnabled(False)
예제 #3
0
class CreateVirtualLibrary(QDialog):  # {{{

    def __init__(self, gui, existing_names, editing=None):
        QDialog.__init__(self, gui)

        self.gui = gui
        self.existing_names = existing_names

        if editing:
            self.setWindowTitle(_('Edit virtual library'))
        else:
            self.setWindowTitle(_('Create virtual library'))
        self.setWindowIcon(QIcon(I('lt.png')))

        gl = QGridLayout()
        self.setLayout(gl)
        self.la1 = la1 = QLabel(_('Virtual library &name:'))
        gl.addWidget(la1, 0, 0)
        self.vl_name = QComboBox()
        self.vl_name.setEditable(True)
        self.vl_name.lineEdit().setMaxLength(MAX_VIRTUAL_LIBRARY_NAME_LENGTH)
        la1.setBuddy(self.vl_name)
        gl.addWidget(self.vl_name, 0, 1)
        self.editing = editing

        self.saved_searches_label = QLabel('')
        self.saved_searches_label.setTextInteractionFlags(Qt.TextSelectableByMouse)
        gl.addWidget(self.saved_searches_label, 2, 0, 1, 2)

        self.la2 = la2 = QLabel(_('&Search expression:'))
        gl.addWidget(la2, 1, 0)
        self.vl_text = QLineEdit()
        self.vl_text.textChanged.connect(self.search_text_changed)
        la2.setBuddy(self.vl_text)
        gl.addWidget(self.vl_text, 1, 1)
        self.vl_text.setText(_build_full_search_string(self.gui))

        self.sl = sl = QLabel('<p>'+_('Create a virtual library based on: ')+
            ('<a href="author.{0}">{0}</a>, '
            '<a href="tag.{1}">{1}</a>, '
            '<a href="publisher.{2}">{2}</a>, '
            '<a href="series.{3}">{3}</a>, '
            '<a href="search.{4}">{4}</a>.').format(_('Authors'), _('Tags'),
                                            _('Publishers'), _('Series'), _('Saved Searches')))
        sl.setWordWrap(True)
        sl.setTextInteractionFlags(Qt.LinksAccessibleByMouse)
        sl.linkActivated.connect(self.link_activated)
        gl.addWidget(sl, 3, 0, 1, 2)
        gl.setRowStretch(3,10)

        self.hl = hl = QLabel(_('''
            <h2>Virtual Libraries</h2>

            <p>Using <i>virtual libraries</i> you can restrict calibre to only show
            you books that match a search. When a virtual library is in effect, calibre
            behaves as though the library contains only the matched books. The Tag Browser
            display only the tags/authors/series/etc. that belong to the matched books and any searches
            you do will only search within the books in the virtual library. This
            is a good way to partition your large library into smaller and easier to work with subsets.</p>

            <p>For example you can use a Virtual Library to only show you books with the Tag <i>"Unread"</i>
            or only books by <i>"My Favorite Author"</i> or only books in a particular series.</p>

            <p>More information and examples are available in the
            <a href="%s">User Manual</a>.</p>
            ''') % localize_user_manual_link('http://manual.calibre-ebook.com/virtual_libraries.html'))
        hl.setWordWrap(True)
        hl.setOpenExternalLinks(True)
        hl.setFrameStyle(hl.StyledPanel)
        gl.addWidget(hl, 0, 3, 4, 1)

        bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
        bb.accepted.connect(self.accept)
        bb.rejected.connect(self.reject)
        gl.addWidget(bb, 4, 0, 1, 0)

        if editing:
            db = self.gui.current_db
            virt_libs = db.prefs.get('virtual_libraries', {})
            for dex,vl in enumerate(sorted(virt_libs.keys(), key=sort_key)):
                self.vl_name.addItem(vl, virt_libs.get(vl, ''))
                if vl == editing:
                    self.vl_name.setCurrentIndex(dex)
                    self.original_index = dex
            self.original_search = virt_libs.get(editing, '')
            self.vl_text.setText(self.original_search)
            self.new_name = editing
            self.vl_name.currentIndexChanged[int].connect(self.name_index_changed)
            self.vl_name.lineEdit().textEdited.connect(self.name_text_edited)

        self.resize(self.sizeHint()+QSize(150, 25))

    def search_text_changed(self, txt):
        db = self.gui.current_db
        searches = [_('Saved searches recognized in the expression:')]
        txt = unicode(txt)
        while txt:
            p = txt.partition('search:')
            if p[1]:  # found 'search:'
                possible_search = p[2]
                if possible_search:  # something follows the 'search:'
                    if possible_search[0] == '"':  # strip any quotes
                        possible_search = possible_search[1:].partition('"')
                    else:  # find end of the search name. Is EOL, space, rparen
                        sp = possible_search.find(' ')
                        pp = possible_search.find(')')
                        if pp < 0 or (sp > 0 and sp <= pp):
                            # space in string before rparen, or neither found
                            possible_search = possible_search.partition(' ')
                        else:
                            # rparen in string before space
                            possible_search = possible_search.partition(')')
                    txt = possible_search[2]  # grab remainder of the string
                    search_name = possible_search[0]
                    if search_name.startswith('='):
                        search_name = search_name[1:]
                    if search_name in db.saved_search_names():
                        searches.append(search_name + '=' +
                                        db.saved_search_lookup(search_name))
                else:
                    txt = ''
            else:
                txt = ''
        if len(searches) > 1:
            self.saved_searches_label.setText('\n'.join(searches))
        else:
            self.saved_searches_label.setText('')

    def name_text_edited(self, new_name):
        self.new_name = unicode(new_name)

    def name_index_changed(self, dex):
        if self.editing and (self.vl_text.text() != self.original_search or
                             self.new_name != self.editing):
            if not question_dialog(self.gui, _('Search text changed'),
                         _('The virtual library name or the search text has changed. '
                           'Do you want to discard these changes?'),
                         default_yes=False):
                self.vl_name.blockSignals(True)
                self.vl_name.setCurrentIndex(self.original_index)
                self.vl_name.lineEdit().setText(self.new_name)
                self.vl_name.blockSignals(False)
                return
        self.new_name = self.editing = self.vl_name.currentText()
        self.original_index = dex
        self.original_search = unicode(self.vl_name.itemData(dex) or '')
        self.vl_text.setText(self.original_search)

    def link_activated(self, url):
        db = self.gui.current_db
        f, txt = unicode(url).partition('.')[0::2]
        if f == 'search':
            names = db.saved_search_names()
        else:
            names = getattr(db, 'all_%s_names'%f)()
        d = SelectNames(names, txt, parent=self)
        if d.exec_() == d.Accepted:
            prefix = f+'s' if f in {'tag', 'author'} else f
            if f == 'search':
                search = ['(%s)'%(db.saved_search_lookup(x)) for x in d.names]
            else:
                search = ['%s:"=%s"'%(prefix, x.replace('"', '\\"')) for x in d.names]
            if search:
                if not self.editing:
                    self.vl_name.lineEdit().setText(d.names.next())
                    self.vl_name.lineEdit().setCursorPosition(0)
                self.vl_text.setText(d.match_type.join(search))
                self.vl_text.setCursorPosition(0)

    def accept(self):
        n = unicode(self.vl_name.currentText()).strip()
        if not n:
            error_dialog(self.gui, _('No name'),
                         _('You must provide a name for the new virtual library'),
                         show=True)
            return

        if n.startswith('*'):
            error_dialog(self.gui, _('Invalid name'),
                         _('A virtual library name cannot begin with "*"'),
                         show=True)
            return

        if n in self.existing_names and n != self.editing:
            if not question_dialog(self.gui, _('Name already in use'),
                         _('That name is already in use. Do you want to replace it '
                           'with the new search?'),
                            default_yes=False):
                return

        v = unicode(self.vl_text.text()).strip()
        if not v:
            error_dialog(self.gui, _('No search string'),
                         _('You must provide a search to define the new virtual library'),
                         show=True)
            return

        try:
            db = self.gui.library_view.model().db
            recs = db.data.search_getting_ids('', v, use_virtual_library=False, sort_results=False)
        except ParseException as e:
            error_dialog(self.gui, _('Invalid search'),
                         _('The search in the search box is not valid'),
                         det_msg=e.msg, show=True)
            return

        if not recs and not question_dialog(
                self.gui, _('Search found no books'),
                _('The search found no books, so the virtual library '
                'will be empty. Do you really want to use that search?'),
                default_yes=False):
                return

        self.library_name = n
        self.library_search = v
        QDialog.accept(self)
class CreateVirtualLibrary(QDialog):  # {{{
    def __init__(self, gui, existing_names, editing=None):
        QDialog.__init__(self, gui)

        self.gui = gui
        self.existing_names = existing_names

        if editing:
            self.setWindowTitle(_('Edit virtual library'))
        else:
            self.setWindowTitle(_('Create virtual library'))
        self.setWindowIcon(QIcon(I('lt.png')))

        gl = QGridLayout()
        self.setLayout(gl)
        self.la1 = la1 = QLabel(_('Virtual library &name:'))
        gl.addWidget(la1, 0, 0)
        self.vl_name = QComboBox()
        self.vl_name.setEditable(True)
        self.vl_name.lineEdit().setMaxLength(MAX_VIRTUAL_LIBRARY_NAME_LENGTH)
        la1.setBuddy(self.vl_name)
        gl.addWidget(self.vl_name, 0, 1)
        self.editing = editing

        self.saved_searches_label = sl = QTextBrowser(self)
        sl.viewport().setAutoFillBackground(False)
        gl.addWidget(sl, 2, 0, 1, 2)

        self.la2 = la2 = QLabel(_('&Search expression:'))
        gl.addWidget(la2, 1, 0)
        self.vl_text = QLineEdit()
        self.vl_text.textChanged.connect(self.search_text_changed)
        la2.setBuddy(self.vl_text)
        gl.addWidget(self.vl_text, 1, 1)
        self.vl_text.setText(_build_full_search_string(self.gui))

        self.sl = sl = QLabel(
            '<p>' + _('Create a virtual library based on: ') +
            ('<a href="author.{0}">{0}</a>, '
             '<a href="tag.{1}">{1}</a>, '
             '<a href="publisher.{2}">{2}</a>, '
             '<a href="series.{3}">{3}</a>, '
             '<a href="search.{4}">{4}</a>.').format(_('Authors'), _(
                 'Tags'), _('Publishers'), _('Series'), _('Saved searches')))
        sl.setWordWrap(True)
        sl.setTextInteractionFlags(Qt.LinksAccessibleByMouse)
        sl.linkActivated.connect(self.link_activated)
        gl.addWidget(sl, 3, 0, 1, 2)
        gl.setRowStretch(3, 10)

        self.hl = hl = QLabel(
            _('''
            <h2>Virtual libraries</h2>

            <p>Using <i>virtual libraries</i> you can restrict calibre to only show
            you books that match a search. When a virtual library is in effect, calibre
            behaves as though the library contains only the matched books. The Tag browser
            display only the tags/authors/series/etc. that belong to the matched books and any searches
            you do will only search within the books in the virtual library. This
            is a good way to partition your large library into smaller and easier to work with subsets.</p>

            <p>For example you can use a Virtual library to only show you books with the Tag <i>"Unread"</i>
            or only books by <i>"My favorite author"</i> or only books in a particular series.</p>

            <p>More information and examples are available in the
            <a href="%s">User Manual</a>.</p>
            ''') % localize_user_manual_link(
                'https://manual.calibre-ebook.com/virtual_libraries.html'))
        hl.setWordWrap(True)
        hl.setOpenExternalLinks(True)
        hl.setFrameStyle(hl.StyledPanel)
        gl.addWidget(hl, 0, 3, 4, 1)

        bb = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
        bb.accepted.connect(self.accept)
        bb.rejected.connect(self.reject)
        gl.addWidget(bb, 4, 0, 1, 0)

        if editing:
            db = self.gui.current_db
            virt_libs = db.prefs.get('virtual_libraries', {})
            for dex, vl in enumerate(sorted(virt_libs.keys(), key=sort_key)):
                self.vl_name.addItem(vl, virt_libs.get(vl, ''))
                if vl == editing:
                    self.vl_name.setCurrentIndex(dex)
                    self.original_index = dex
            self.original_search = virt_libs.get(editing, '')
            self.vl_text.setText(self.original_search)
            self.new_name = editing
            self.vl_name.currentIndexChanged[int].connect(
                self.name_index_changed)
            self.vl_name.lineEdit().textEdited.connect(self.name_text_edited)

        self.resize(self.sizeHint() + QSize(150, 25))

    def search_text_changed(self, txt):
        db = self.gui.current_db
        searches = [_('Saved searches recognized in the expression:')]
        txt = unicode(txt)
        while txt:
            p = txt.partition('search:')
            if p[1]:  # found 'search:'
                possible_search = p[2]
                if possible_search:  # something follows the 'search:'
                    if possible_search[0] == '"':  # strip any quotes
                        possible_search = possible_search[1:].partition('"')
                    else:  # find end of the search name. Is EOL, space, rparen
                        sp = possible_search.find(' ')
                        pp = possible_search.find(')')
                        if pp < 0 or (sp > 0 and sp <= pp):
                            # space in string before rparen, or neither found
                            possible_search = possible_search.partition(' ')
                        else:
                            # rparen in string before space
                            possible_search = possible_search.partition(')')
                    txt = possible_search[2]  # grab remainder of the string
                    search_name = possible_search[0]
                    if search_name.startswith('='):
                        search_name = search_name[1:]
                    if search_name in db.saved_search_names():
                        searches.append(search_name + '=' +
                                        db.saved_search_lookup(search_name))
                else:
                    txt = ''
            else:
                txt = ''
        if len(searches) > 1:
            self.saved_searches_label.setPlainText('\n'.join(searches))
        else:
            self.saved_searches_label.setPlainText('')

    def name_text_edited(self, new_name):
        self.new_name = unicode(new_name)

    def name_index_changed(self, dex):
        if self.editing and (self.vl_text.text() != self.original_search
                             or self.new_name != self.editing):
            if not question_dialog(
                    self.gui,
                    _('Search text changed'),
                    _('The virtual library name or the search text has changed. '
                      'Do you want to discard these changes?'),
                    default_yes=False):
                self.vl_name.blockSignals(True)
                self.vl_name.setCurrentIndex(self.original_index)
                self.vl_name.lineEdit().setText(self.new_name)
                self.vl_name.blockSignals(False)
                return
        self.new_name = self.editing = self.vl_name.currentText()
        self.original_index = dex
        self.original_search = unicode(self.vl_name.itemData(dex) or '')
        self.vl_text.setText(self.original_search)

    def link_activated(self, url):
        db = self.gui.current_db
        f, txt = unicode(url).partition('.')[0::2]
        if f == 'search':
            names = db.saved_search_names()
        else:
            names = getattr(db, 'all_%s_names' % f)()
        d = SelectNames(names, txt, parent=self)
        if d.exec_() == d.Accepted:
            prefix = f + 's' if f in {'tag', 'author'} else f
            if f == 'search':
                search = [
                    '(%s)' % (db.saved_search_lookup(x)) for x in d.names
                ]
            else:
                search = [
                    '%s:"=%s"' % (prefix, x.replace('"', '\\"'))
                    for x in d.names
                ]
            if search:
                if not self.editing:
                    self.vl_name.lineEdit().setText(d.names.next())
                    self.vl_name.lineEdit().setCursorPosition(0)
                self.vl_text.setText(d.match_type.join(search))
                self.vl_text.setCursorPosition(0)

    def accept(self):
        n = unicode(self.vl_name.currentText()).strip()
        if not n:
            error_dialog(
                self.gui,
                _('No name'),
                _('You must provide a name for the new virtual library'),
                show=True)
            return

        if n.startswith('*'):
            error_dialog(self.gui,
                         _('Invalid name'),
                         _('A virtual library name cannot begin with "*"'),
                         show=True)
            return

        if n in self.existing_names and n != self.editing:
            if not question_dialog(
                    self.gui,
                    _('Name already in use'),
                    _('That name is already in use. Do you want to replace it '
                      'with the new search?'),
                    default_yes=False):
                return

        v = unicode(self.vl_text.text()).strip()
        if not v:
            error_dialog(
                self.gui,
                _('No search string'),
                _('You must provide a search to define the new virtual library'
                  ),
                show=True)
            return

        try:
            db = self.gui.library_view.model().db
            recs = db.data.search_getting_ids('',
                                              v,
                                              use_virtual_library=False,
                                              sort_results=False)
        except ParseException as e:
            error_dialog(self.gui,
                         _('Invalid search'),
                         _('The search in the search box is not valid'),
                         det_msg=e.msg,
                         show=True)
            return

        if not recs and not question_dialog(
                self.gui,
                _('Search found no books'),
                _('The search found no books, so the virtual library '
                  'will be empty. Do you really want to use that search?'),
                default_yes=False):
            return

        self.library_name = n
        self.library_search = v
        QDialog.accept(self)
class ConfigWidget(QWidget, Logger):
    '''
    Config dialog for Marvin Manager
    '''

    WIZARD_PROFILES = {
        'Annotations': {
            'label': 'mm_annotations',
            'datatype': 'comments',
            'display': {},
            'is_multiple': False
        },
        'Collections': {
            'label': 'mm_collections',
            'datatype': 'text',
            'display': {u'is_names': False},
            'is_multiple': True
        },
        'Last read': {
            'label': 'mm_date_read',
            'datatype': 'datetime',
            'display': {},
            'is_multiple': False
        },
        'Locked': {
            'label': 'mm_locked',
            'datatype': 'bool',
            'display': {},
            'is_multiple': False
        },
        'Progress': {
            'label': 'mm_progress',
            'datatype': 'float',
            'display': {u'number_format': u'{0:.0f}%'},
            'is_multiple': False
        },
        'Read': {
            'label': 'mm_read',
            'datatype': 'bool',
            'display': {},
            'is_multiple': False
        },
        'Reading list': {
            'label': 'mm_reading_list',
            'datatype': 'bool',
            'display': {},
            'is_multiple': False
        },
        'Word count': {
            'label': 'mm_word_count',
            'datatype': 'int',
            'display': {u'number_format': u'{0:n}'},
            'is_multiple': False
        }
    }

    def __init__(self, plugin_action):
        QWidget.__init__(self)
        self.parent = plugin_action

        self.gui = get_gui()
        self.icon = plugin_action.icon
        self.opts = plugin_action.opts
        self.prefs = plugin_prefs
        self.resources_path = plugin_action.resources_path
        self.verbose = plugin_action.verbose

        self.restart_required = False

        self._log_location()

        self.l = QGridLayout()
        self.setLayout(self.l)
        self.column1_layout = QVBoxLayout()
        self.l.addLayout(self.column1_layout, 0, 0)
        self.column2_layout = QVBoxLayout()
        self.l.addLayout(self.column2_layout, 0, 1)

        # ----------------------------- Column 1 -----------------------------
        # ~~~~~~~~ Create the Custom fields options group box ~~~~~~~~
        self.cfg_custom_fields_gb = QGroupBox(self)
        self.cfg_custom_fields_gb.setTitle('Custom column assignments')
        self.column1_layout.addWidget(self.cfg_custom_fields_gb)

        self.cfg_custom_fields_qgl = QGridLayout(self.cfg_custom_fields_gb)
        current_row = 0

        # ++++++++ Labels + HLine ++++++++
        self.marvin_source_label = QLabel("Marvin source")
        self.cfg_custom_fields_qgl.addWidget(self.marvin_source_label, current_row, 0)
        self.calibre_destination_label = QLabel("calibre destination")
        self.cfg_custom_fields_qgl.addWidget(self.calibre_destination_label, current_row, 1)
        current_row += 1
        self.sd_hl = QFrame(self.cfg_custom_fields_gb)
        self.sd_hl.setFrameShape(QFrame.HLine)
        self.sd_hl.setFrameShadow(QFrame.Raised)
        self.cfg_custom_fields_qgl.addWidget(self.sd_hl, current_row, 0, 1, 3)
        current_row += 1

        # ++++++++ Annotations ++++++++
        self.cfg_annotations_label = QLabel('Annotations')
        self.cfg_annotations_label.setAlignment(Qt.AlignLeft)
        self.cfg_custom_fields_qgl.addWidget(self.cfg_annotations_label, current_row, 0)

        self.annotations_field_comboBox = QComboBox(self.cfg_custom_fields_gb)
        self.annotations_field_comboBox.setObjectName('annotations_field_comboBox')
        self.annotations_field_comboBox.setToolTip('Select a custom column to store Marvin annotations')
        self.cfg_custom_fields_qgl.addWidget(self.annotations_field_comboBox, current_row, 1)

        self.cfg_highlights_wizard = QToolButton()
        self.cfg_highlights_wizard.setIcon(QIcon(I('wizard.png')))
        self.cfg_highlights_wizard.setToolTip("Create a custom column to store Marvin annotations")
        self.cfg_highlights_wizard.clicked.connect(partial(self.launch_cc_wizard, 'Annotations'))
        self.cfg_custom_fields_qgl.addWidget(self.cfg_highlights_wizard, current_row, 2)
        current_row += 1

        # ++++++++ Collections ++++++++
        self.cfg_collections_label = QLabel('Collections')
        self.cfg_collections_label.setAlignment(Qt.AlignLeft)
        self.cfg_custom_fields_qgl.addWidget(self.cfg_collections_label, current_row, 0)

        self.collection_field_comboBox = QComboBox(self.cfg_custom_fields_gb)
        self.collection_field_comboBox.setObjectName('collection_field_comboBox')
        self.collection_field_comboBox.setToolTip('Select a custom column to store Marvin collection assignments')
        self.cfg_custom_fields_qgl.addWidget(self.collection_field_comboBox, current_row, 1)

        self.cfg_collections_wizard = QToolButton()
        self.cfg_collections_wizard.setIcon(QIcon(I('wizard.png')))
        self.cfg_collections_wizard.setToolTip("Create a custom column for Marvin collection assignments")
        self.cfg_collections_wizard.clicked.connect(partial(self.launch_cc_wizard, 'Collections'))
        self.cfg_custom_fields_qgl.addWidget(self.cfg_collections_wizard, current_row, 2)
        current_row += 1

        # ++++++++ Last read ++++++++
        self.cfg_date_read_label = QLabel("Last read")
        self.cfg_date_read_label.setAlignment(Qt.AlignLeft)
        self.cfg_custom_fields_qgl.addWidget(self.cfg_date_read_label, current_row, 0)

        self.date_read_field_comboBox = QComboBox(self.cfg_custom_fields_gb)
        self.date_read_field_comboBox.setObjectName('date_read_field_comboBox')
        self.date_read_field_comboBox.setToolTip('Select a custom column to store Last read date')
        self.cfg_custom_fields_qgl.addWidget(self.date_read_field_comboBox, current_row, 1)

        self.cfg_collections_wizard = QToolButton()
        self.cfg_collections_wizard.setIcon(QIcon(I('wizard.png')))
        self.cfg_collections_wizard.setToolTip("Create a custom column to store Last read date")
        self.cfg_collections_wizard.clicked.connect(partial(self.launch_cc_wizard, 'Last read'))
        self.cfg_custom_fields_qgl.addWidget(self.cfg_collections_wizard, current_row, 2)
        current_row += 1

        # ++++++++ Locked ++++++++
        self.cfg_locked_label = QLabel("Locked")
        self.cfg_locked_label.setAlignment(Qt.AlignLeft)
        self.cfg_custom_fields_qgl.addWidget(self.cfg_locked_label, current_row, 0)

        self.locked_field_comboBox = QComboBox(self.cfg_custom_fields_gb)
        self.locked_field_comboBox.setObjectName('locked_field_comboBox')
        self.locked_field_comboBox.setToolTip('Select a custom column to store Locked status')
        self.cfg_custom_fields_qgl.addWidget(self.locked_field_comboBox, current_row, 1)

        self.cfg_locked_wizard = QToolButton()
        self.cfg_locked_wizard.setIcon(QIcon(I('wizard.png')))
        self.cfg_locked_wizard.setToolTip("Create a custom column to store Locked status")
        self.cfg_locked_wizard.clicked.connect(partial(self.launch_cc_wizard, 'Locked'))
        self.cfg_custom_fields_qgl.addWidget(self.cfg_locked_wizard, current_row, 2)
        current_row += 1

        # ++++++++ Progress ++++++++
        self.cfg_progress_label = QLabel('Progress')
        self.cfg_progress_label.setAlignment(Qt.AlignLeft)
        self.cfg_custom_fields_qgl.addWidget(self.cfg_progress_label, current_row, 0)

        self.progress_field_comboBox = QComboBox(self.cfg_custom_fields_gb)
        self.progress_field_comboBox.setObjectName('progress_field_comboBox')
        self.progress_field_comboBox.setToolTip('Select a custom column to store Marvin reading progress')
        self.cfg_custom_fields_qgl.addWidget(self.progress_field_comboBox, current_row, 1)

        self.cfg_progress_wizard = QToolButton()
        self.cfg_progress_wizard.setIcon(QIcon(I('wizard.png')))
        self.cfg_progress_wizard.setToolTip("Create a custom column to store Marvin reading progress")
        self.cfg_progress_wizard.clicked.connect(partial(self.launch_cc_wizard, 'Progress'))
        self.cfg_custom_fields_qgl.addWidget(self.cfg_progress_wizard, current_row, 2)
        current_row += 1

        # ++++++++ Read flag ++++++++
        self.cfg_read_label = QLabel('Read')
        self.cfg_read_label.setAlignment(Qt.AlignLeft)
        self.cfg_custom_fields_qgl.addWidget(self.cfg_read_label, current_row, 0)

        self.read_field_comboBox = QComboBox(self.cfg_custom_fields_gb)
        self.read_field_comboBox.setObjectName('read_field_comboBox')
        self.read_field_comboBox.setToolTip('Select a custom column to store Marvin Read status')
        self.cfg_custom_fields_qgl.addWidget(self.read_field_comboBox, current_row, 1)

        self.cfg_read_wizard = QToolButton()
        self.cfg_read_wizard.setIcon(QIcon(I('wizard.png')))
        self.cfg_read_wizard.setToolTip("Create a custom column to store Marvin Read status")
        self.cfg_read_wizard.clicked.connect(partial(self.launch_cc_wizard, 'Read'))
        self.cfg_custom_fields_qgl.addWidget(self.cfg_read_wizard, current_row, 2)
        current_row += 1

        # ++++++++ Reading list flag ++++++++
        self.cfg_reading_list_label = QLabel('Reading list')
        self.cfg_reading_list_label.setAlignment(Qt.AlignLeft)
        self.cfg_custom_fields_qgl.addWidget(self.cfg_reading_list_label, current_row, 0)

        self.reading_list_field_comboBox = QComboBox(self.cfg_custom_fields_gb)
        self.reading_list_field_comboBox.setObjectName('reading_list_field_comboBox')
        self.reading_list_field_comboBox.setToolTip('Select a custom column to store Marvin Reading list status')
        self.cfg_custom_fields_qgl.addWidget(self.reading_list_field_comboBox, current_row, 1)

        self.cfg_reading_list_wizard = QToolButton()
        self.cfg_reading_list_wizard.setIcon(QIcon(I('wizard.png')))
        self.cfg_reading_list_wizard.setToolTip("Create a custom column to store Marvin Reading list status")
        self.cfg_reading_list_wizard.clicked.connect(partial(self.launch_cc_wizard, 'Reading list'))
        self.cfg_custom_fields_qgl.addWidget(self.cfg_reading_list_wizard, current_row, 2)
        current_row += 1

        # ++++++++ Word count ++++++++
        self.cfg_word_count_label = QLabel('Word count')
        self.cfg_word_count_label.setAlignment(Qt.AlignLeft)
        self.cfg_custom_fields_qgl.addWidget(self.cfg_word_count_label, current_row, 0)

        self.word_count_field_comboBox = QComboBox(self.cfg_custom_fields_gb)
        self.word_count_field_comboBox.setObjectName('word_count_field_comboBox')
        self.word_count_field_comboBox.setToolTip('Select a custom column to store Marvin word counts')
        self.cfg_custom_fields_qgl.addWidget(self.word_count_field_comboBox, current_row, 1)

        self.cfg_word_count_wizard = QToolButton()
        self.cfg_word_count_wizard.setIcon(QIcon(I('wizard.png')))
        self.cfg_word_count_wizard.setToolTip("Create a custom column to store Marvin word counts")
        self.cfg_word_count_wizard.clicked.connect(partial(self.launch_cc_wizard, 'Word count'))
        self.cfg_custom_fields_qgl.addWidget(self.cfg_word_count_wizard, current_row, 2)
        current_row += 1

        self.spacerItem1 = QSpacerItem(20, 20, QSizePolicy.Minimum, QSizePolicy.Expanding)
        self.column1_layout.addItem(self.spacerItem1)

        # ----------------------------- Column 2 -----------------------------
        # ~~~~~~~~ Create the CSS group box ~~~~~~~~
        self.cfg_css_options_gb = QGroupBox(self)
        self.cfg_css_options_gb.setTitle('CSS')
        self.column2_layout.addWidget(self.cfg_css_options_gb)
        self.cfg_css_options_qgl = QGridLayout(self.cfg_css_options_gb)

        current_row = 0

        # ++++++++ Annotations appearance ++++++++
        self.annotations_icon = QIcon(os.path.join(self.resources_path, 'icons', 'annotations_hiliter.png'))
        self.cfg_annotations_appearance_toolbutton = QToolButton()
        self.cfg_annotations_appearance_toolbutton.setIcon(self.annotations_icon)
        self.cfg_annotations_appearance_toolbutton.clicked.connect(self.configure_appearance)
        self.cfg_css_options_qgl.addWidget(self.cfg_annotations_appearance_toolbutton, current_row, 0)
        self.cfg_annotations_label = ClickableQLabel("Book notes, Bookmark notes and Annotations")
        self.cfg_annotations_label.clicked.connect(self.configure_appearance)
        self.cfg_css_options_qgl.addWidget(self.cfg_annotations_label, current_row, 1)
        current_row += 1

        # ++++++++ Injected CSS ++++++++
        self.css_editor_icon = QIcon(I('format-text-heading.png'))
        self.cfg_css_editor_toolbutton = QToolButton()
        self.cfg_css_editor_toolbutton.setIcon(self.css_editor_icon)
        self.cfg_css_editor_toolbutton.clicked.connect(self.edit_css)
        self.cfg_css_options_qgl.addWidget(self.cfg_css_editor_toolbutton, current_row, 0)
        self.cfg_css_editor_label = ClickableQLabel("Articles, Vocabulary")
        self.cfg_css_editor_label.clicked.connect(self.edit_css)
        self.cfg_css_options_qgl.addWidget(self.cfg_css_editor_label, current_row, 1)


        """
        # ~~~~~~~~ Create the Dropbox syncing group box ~~~~~~~~
        self.cfg_dropbox_syncing_gb = QGroupBox(self)
        self.cfg_dropbox_syncing_gb.setTitle('Dropbox')
        self.column2_layout.addWidget(self.cfg_dropbox_syncing_gb)
        self.cfg_dropbox_syncing_qgl = QGridLayout(self.cfg_dropbox_syncing_gb)
        current_row = 0

        # ++++++++ Syncing enabled checkbox ++++++++
        self.dropbox_syncing_checkbox = QCheckBox('Enable Dropbox updates')
        self.dropbox_syncing_checkbox.setObjectName('dropbox_syncing')
        self.dropbox_syncing_checkbox.setToolTip('Refresh custom column content from Marvin metadata')
        self.cfg_dropbox_syncing_qgl.addWidget(self.dropbox_syncing_checkbox,
            current_row, 0, 1, 3)
        current_row += 1

        # ++++++++ Dropbox folder picker ++++++++
        self.dropbox_folder_icon = QIcon(os.path.join(self.resources_path, 'icons', 'dropbox.png'))
        self.cfg_dropbox_folder_toolbutton = QToolButton()
        self.cfg_dropbox_folder_toolbutton.setIcon(self.dropbox_folder_icon)
        self.cfg_dropbox_folder_toolbutton.setToolTip("Specify Dropbox folder location on your computer")
        self.cfg_dropbox_folder_toolbutton.clicked.connect(self.select_dropbox_folder)
        self.cfg_dropbox_syncing_qgl.addWidget(self.cfg_dropbox_folder_toolbutton,
            current_row, 1)

        # ++++++++ Dropbox location lineedit ++++++++
        self.dropbox_location_lineedit = QLineEdit()
        self.dropbox_location_lineedit.setPlaceholderText("Dropbox folder location")
        self.cfg_dropbox_syncing_qgl.addWidget(self.dropbox_location_lineedit,
            current_row, 2)
        """

        # ~~~~~~~~ Create the General options group box ~~~~~~~~
        self.cfg_runtime_options_gb = QGroupBox(self)
        self.cfg_runtime_options_gb.setTitle('General options')
        self.column2_layout.addWidget(self.cfg_runtime_options_gb)
        self.cfg_runtime_options_qvl = QVBoxLayout(self.cfg_runtime_options_gb)

        # ++++++++ Temporary markers: Duplicates ++++++++
        self.duplicate_markers_checkbox = QCheckBox('Apply temporary markers to duplicate books')
        self.duplicate_markers_checkbox.setObjectName('apply_markers_to_duplicates')
        self.duplicate_markers_checkbox.setToolTip('Books with identical content will be flagged in the Library window')
        self.cfg_runtime_options_qvl.addWidget(self.duplicate_markers_checkbox)

        # ++++++++ Temporary markers: Updated ++++++++
        self.updated_markers_checkbox = QCheckBox('Apply temporary markers to books with updated content')
        self.updated_markers_checkbox.setObjectName('apply_markers_to_updated')
        self.updated_markers_checkbox.setToolTip('Books with updated content will be flagged in the Library window')
        self.cfg_runtime_options_qvl.addWidget(self.updated_markers_checkbox)

        # ++++++++ Auto refresh checkbox ++++++++
        self.auto_refresh_checkbox = QCheckBox('Automatically refresh custom column content')
        self.auto_refresh_checkbox.setObjectName('auto_refresh_at_startup')
        self.auto_refresh_checkbox.setToolTip('Update calibre custom column when Marvin XD is opened')
        self.cfg_runtime_options_qvl.addWidget(self.auto_refresh_checkbox)

        # ++++++++ Progress as percentage checkbox ++++++++
        self.reading_progress_checkbox = QCheckBox('Show reading progress as percentage')
        self.reading_progress_checkbox.setObjectName('show_progress_as_percentage')
        self.reading_progress_checkbox.setToolTip('Display percentage in Progress column')
        self.cfg_runtime_options_qvl.addWidget(self.reading_progress_checkbox)

        # ~~~~~~~~ Create the Debug options group box ~~~~~~~~
        self.cfg_debug_options_gb = QGroupBox(self)
        self.cfg_debug_options_gb.setTitle('Debug options')
        self.column2_layout.addWidget(self.cfg_debug_options_gb)
        self.cfg_debug_options_qvl = QVBoxLayout(self.cfg_debug_options_gb)

        # ++++++++ Debug logging checkboxes ++++++++
        self.debug_plugin_checkbox = QCheckBox('Enable debug logging for Marvin XD')
        self.debug_plugin_checkbox.setObjectName('debug_plugin_checkbox')
        self.debug_plugin_checkbox.setToolTip('Print plugin diagnostic messages to console')
        self.cfg_debug_options_qvl.addWidget(self.debug_plugin_checkbox)

        self.debug_libimobiledevice_checkbox = QCheckBox('Enable debug logging for libiMobileDevice')
        self.debug_libimobiledevice_checkbox.setObjectName('debug_libimobiledevice_checkbox')
        self.debug_libimobiledevice_checkbox.setToolTip('Print libiMobileDevice diagnostic messages to console')
        self.cfg_debug_options_qvl.addWidget(self.debug_libimobiledevice_checkbox)

        self.spacerItem2 = QSpacerItem(20, 20, QSizePolicy.Minimum, QSizePolicy.Expanding)
        self.column2_layout.addItem(self.spacerItem2)

        # ~~~~~~~~ End of construction zone ~~~~~~~~
        self.resize(self.sizeHint())

        # ~~~~~~~~ Populate/restore config options ~~~~~~~~
        #  Annotations comboBox
        self.populate_annotations()
        self.populate_collections()
        self.populate_date_read()
        self.populate_locked()
        self.populate_progress()
        self.populate_read()
        self.populate_reading_list()
        self.populate_word_count()

        """
        # Restore Dropbox settings, hook changes
        dropbox_syncing = self.prefs.get('dropbox_syncing', False)
        self.dropbox_syncing_checkbox.setChecked(dropbox_syncing)
        self.set_dropbox_syncing(dropbox_syncing)
        self.dropbox_syncing_checkbox.clicked.connect(partial(self.set_dropbox_syncing))
        self.dropbox_location_lineedit.setText(self.prefs.get('dropbox_folder', ''))
        """

        # Restore general settings
        self.duplicate_markers_checkbox.setChecked(self.prefs.get('apply_markers_to_duplicates', True))
        self.updated_markers_checkbox.setChecked(self.prefs.get('apply_markers_to_updated', True))
        self.auto_refresh_checkbox.setChecked(self.prefs.get('auto_refresh_at_startup', False))
        self.reading_progress_checkbox.setChecked(self.prefs.get('show_progress_as_percentage', False))

        # Restore debug settings, hook changes
        self.debug_plugin_checkbox.setChecked(self.prefs.get('debug_plugin', False))
        self.debug_plugin_checkbox.stateChanged.connect(self.set_restart_required)
        self.debug_libimobiledevice_checkbox.setChecked(self.prefs.get('debug_libimobiledevice', False))
        self.debug_libimobiledevice_checkbox.stateChanged.connect(self.set_restart_required)

        # Hook changes to Annotations comboBox
#         self.annotations_field_comboBox.currentIndexChanged.connect(
#             partial(self.save_combobox_setting, 'annotations_field_comboBox'))
#        self.connect(self.annotations_field_comboBox,
#                     SIGNAL('currentIndexChanged(const QString &)'),
#                     self.annotations_destination_changed)
        self.annotations_field_comboBox.currentIndexChanged.connect(self.annotations_destination_changed)
        # Launch the annotated_books_scanner
        field = get_cc_mapping('annotations', 'field', None)
        self.annotated_books_scanner = InventoryAnnotatedBooks(self.gui, field)
        self.annotated_books_scanner.signal.connect(self.inventory_complete)
        QTimer.singleShot(1, self.start_inventory)

    def annotations_destination_changed(self, qs_new_destination_name):
        '''
        If the destination field changes, move all existing annotations from old to new
        '''
        self._log_location(str(qs_new_destination_name))
        self._log("self.eligible_annotations_fields: %s" % self.eligible_annotations_fields)

        old_destination_field = get_cc_mapping('annotations', 'field', None)
        old_destination_name = get_cc_mapping('annotations', 'combobox', None)

        self._log("old_destination_field: %s" % old_destination_field)
        self._log("old_destination_name: %s" % old_destination_name)

#        new_destination_name = unicode(qs_new_destination_name)
        # Signnls available have changed. Now receivin an indec rather than a name. Can get the name
        # from the combobox
        new_destination_name = unicode(self.annotations_field_comboBox.currentText())
        self._log("new_destination_name: %s" % repr(new_destination_name))

        if old_destination_name == new_destination_name:
            self._log_location("old_destination_name = new_destination_name, no changes")
            return

        if new_destination_name == '':
            self._log_location("annotations storage disabled")
            set_cc_mapping('annotations', field=None, combobox=new_destination_name)
            return

        new_destination_field = self.eligible_annotations_fields[new_destination_name]

        if existing_annotations(self.parent, old_destination_field):
            command = self.launch_new_destination_dialog(old_destination_name, new_destination_name)

            if command == 'move':
                set_cc_mapping('annotations', field=new_destination_field, combobox=new_destination_name)

                if self.annotated_books_scanner.isRunning():
                    self.annotated_books_scanner.wait()
                move_annotations(self, self.annotated_books_scanner.annotation_map,
                    old_destination_field, new_destination_field)

            elif command == 'change':
                # Keep the updated destination field, but don't move annotations
                pass

            elif command == 'cancel':
                # Restore previous destination
                self.annotations_field_comboBox.blockSignals(True)
                old_index = self.annotations_field_comboBox.findText(old_destination_name)
                self.annotations_field_comboBox.setCurrentIndex(old_index)
                self.annotations_field_comboBox.blockSignals(False)

        else:
            # No existing annotations, just update prefs
            self._log("no existing annotations, updating destination to '{0}'".format(new_destination_name))
            set_cc_mapping('annotations', field=new_destination_field, combobox=new_destination_name)

    def configure_appearance(self):
        '''
        '''
        self._log_location()
        appearance_settings = {
                                'appearance_css': default_elements,
                                'appearance_hr_checkbox': False,
                                'appearance_timestamp_format': default_timestamp
                              }

        # Save, hash the original settings
        original_settings = {}
        osh = hashlib.md5()
        for setting in appearance_settings:
            original_settings[setting] = plugin_prefs.get(setting, appearance_settings[setting])
            osh.update(repr(plugin_prefs.get(setting, appearance_settings[setting])))

        # Display the Annotations appearance dialog
        aa = AnnotationsAppearance(self, self.annotations_icon, plugin_prefs)
        cancelled = False
        if aa.exec_():
            # appearance_hr_checkbox and appearance_timestamp_format changed live to prefs during previews
            plugin_prefs.set('appearance_css', aa.elements_table.get_data())
            # Generate a new hash
            nsh = hashlib.md5()
            for setting in appearance_settings:
                nsh.update(repr(plugin_prefs.get(setting, appearance_settings[setting])))
        else:
            for setting in appearance_settings:
                plugin_prefs.set(setting, original_settings[setting])
            nsh = osh

        # If there were changes, and there are existing annotations,
        # and there is an active Annotations field, offer to re-render
        field = get_cc_mapping('annotations', 'field', None)
        if osh.digest() != nsh.digest() and existing_annotations(self.parent, field):
            title = 'Update annotations?'
            msg = '<p>Update existing annotations to new appearance settings?</p>'
            d = MessageBox(MessageBox.QUESTION,
                           title, msg,
                           show_copy_button=False)
            self._log_location("QUESTION: %s" % msg)
            if d.exec_():
                self._log_location("Updating existing annotations to modified appearance")

                # Wait for indexing to complete
                while not self.annotated_books_scanner.isFinished():
                    Application.processEvents()

                move_annotations(self, self.annotated_books_scanner.annotation_map,
                    field, field, window_title="Updating appearance")

    def edit_css(self):
        '''
        '''
        self._log_location()
        from calibre_plugins.marvin_manager.book_status import dialog_resources_path
        klass = os.path.join(dialog_resources_path, 'css_editor.py')
        if os.path.exists(klass):
            sys.path.insert(0, dialog_resources_path)
            this_dc = importlib.import_module('css_editor')
            sys.path.remove(dialog_resources_path)
            dlg = this_dc.CSSEditorDialog(self, 'css_editor')
            dlg.initialize(self)
            dlg.exec_()

    def get_eligible_custom_fields(self, eligible_types=[], is_multiple=None):
        '''
        Discover qualifying custom fields for eligible_types[]
        '''
        #self._log_location(eligible_types)

        eligible_custom_fields = {}
        for cf in self.gui.current_db.custom_field_keys():
            cft = self.gui.current_db.metadata_for_field(cf)['datatype']
            cfn = self.gui.current_db.metadata_for_field(cf)['name']
            cfim = self.gui.current_db.metadata_for_field(cf)['is_multiple']
            #self._log("cf: %s  cft: %s  cfn: %s cfim: %s" % (cf, cft, cfn, cfim))
            if cft in eligible_types:
                if is_multiple is not None:
                    if bool(cfim) == is_multiple:
                        eligible_custom_fields[cfn] = cf
                else:
                    eligible_custom_fields[cfn] = cf
        return eligible_custom_fields

    def inventory_complete(self, msg):
        self._log_location(msg)

    def launch_cc_wizard(self, column_type):
        '''
        '''
        def _update_combo_box(comboBox, destination, previous):
            '''
            '''
            cb = getattr(self, comboBox)
            cb.blockSignals(True)
            all_items = [str(cb.itemText(i))
                         for i in range(cb.count())]
            if previous and previous in all_items:
                all_items.remove(previous)
            all_items.append(destination)

            cb.clear()
            cb.addItems(sorted(all_items, key=lambda s: s.lower()))

            # Select the new destination in the comboBox
            idx = cb.findText(destination)
            if idx > -1:
                cb.setCurrentIndex(idx)

            cb.blockSignals(False)

        from calibre_plugins.marvin_manager.book_status import dialog_resources_path

        klass = os.path.join(dialog_resources_path, 'cc_wizard.py')
        if os.path.exists(klass):
            #self._log("importing CC Wizard dialog from '%s'" % klass)
            sys.path.insert(0, dialog_resources_path)
            this_dc = importlib.import_module('cc_wizard')
            sys.path.remove(dialog_resources_path)
            dlg = this_dc.CustomColumnWizard(self,
                                             column_type,
                                             self.WIZARD_PROFILES[column_type],
                                             verbose=True)
            dlg.exec_()

            if dlg.modified_column:
                self._log("modified_column: %s" % dlg.modified_column)

                self.restart_required = True

                destination = dlg.modified_column['destination']
                label = dlg.modified_column['label']
                previous = dlg.modified_column['previous']
                source = dlg.modified_column['source']

                if source == "Annotations":
                    _update_combo_box("annotations_field_comboBox", destination, previous)

                    # Add/update the new destination so save_settings() can find it
                    self.eligible_annotations_fields[destination] = label

                    # Save manually in case user cancels
                    set_cc_mapping('annotations', combobox=destination, field=label)

                elif source == 'Collections':
                    _update_combo_box("collection_field_comboBox", destination, previous)

                    # Add/update the new destination so save_settings() can find it
                    self.eligible_collection_fields[destination] = label

                    # Save manually in case user cancels
                    set_cc_mapping('collections', combobox=destination, field=label)

                elif source == 'Last read':
                    _update_combo_box("date_read_field_comboBox", destination, previous)

                    # Add/update the new destination so save_settings() can find it
                    self.eligible_date_read_fields[destination] = label

                    # Save manually in case user cancels
                    set_cc_mapping('date_read', combobox=destination, field=label)

                elif source == 'Locked':
                    _update_combo_box("locked_field_comboBox", destination, previous)

                    # Add/update the new destination so save_settings() can find it
                    self.eligible_locked_fields[destination] = label

                    # Save manually in case user cancels
                    set_cc_mapping('locked', combobox=destination, field=label)

                elif source == "Progress":
                    _update_combo_box("progress_field_comboBox", destination, previous)

                    # Add/update the new destination so save_settings() can find it
                    self.eligible_progress_fields[destination] = label

                    # Save manually in case user cancels
                    set_cc_mapping('progress', combobox=destination, field=label)

                elif source == "Read":
                    _update_combo_box("read_field_comboBox", destination, previous)

                    # Add/update the new destination so save_settings() can find it
                    self.eligible_read_fields[destination] = label

                    # Save manually in case user cancels
                    set_cc_mapping('read', combobox=destination, field=label)

                elif source == "Reading list":
                    _update_combo_box("reading_list_field_comboBox", destination, previous)

                    # Add/update the new destination so save_settings() can find it
                    self.eligible_reading_list_fields[destination] = label

                    # Save manually in case user cancels
                    set_cc_mapping('reading_list', combobox=destination, field=label)

                elif source == "Word count":
                    _update_combo_box("word_count_field_comboBox", destination, previous)

                    # Add/update the new destination so save_settings() can find it
                    self.eligible_word_count_fields[destination] = label

                    # Save manually in case user cancels
                    set_cc_mapping('word_count', combobox=destination, field=label)
        else:
            self._log("ERROR: Can't import from '%s'" % klass)

    def launch_new_destination_dialog(self, old, new):
        '''
        Return 'move', 'change' or 'cancel'
        '''
        from calibre_plugins.marvin_manager.book_status import dialog_resources_path
        self._log_location()
        klass = os.path.join(dialog_resources_path, 'new_destination.py')
        if os.path.exists(klass):
            self._log("importing new destination dialog from '%s'" % klass)
            sys.path.insert(0, dialog_resources_path)
            this_dc = importlib.import_module('new_destination')
            sys.path.remove(dialog_resources_path)
            dlg = this_dc.NewDestinationDialog(self, old, new)
            dlg.exec_()
            return dlg.command

    def populate_annotations(self):
        datatype = self.WIZARD_PROFILES['Annotations']['datatype']
        self.eligible_annotations_fields = self.get_eligible_custom_fields([datatype])
        self.annotations_field_comboBox.addItems([''])
        ecf = sorted(self.eligible_annotations_fields.keys(), key=lambda s: s.lower())
        self.annotations_field_comboBox.addItems(ecf)

        # Retrieve stored value
        existing = get_cc_mapping('annotations', 'combobox')
        if existing:
            ci = self.annotations_field_comboBox.findText(existing)
            self.annotations_field_comboBox.setCurrentIndex(ci)

    def populate_collections(self):
        datatype = self.WIZARD_PROFILES['Collections']['datatype']
        self.eligible_collection_fields = self.get_eligible_custom_fields([datatype],
                                                                          is_multiple=True)
        self.collection_field_comboBox.addItems([''])
        ecf = sorted(self.eligible_collection_fields.keys(), key=lambda s: s.lower())
        self.collection_field_comboBox.addItems(ecf)

        # Retrieve stored value
        existing = get_cc_mapping('collections', 'combobox')
        if existing:
            ci = self.collection_field_comboBox.findText(existing)
            self.collection_field_comboBox.setCurrentIndex(ci)

    def populate_date_read(self):
        #self.eligible_date_read_fields = self.get_eligible_custom_fields(['datetime'])
        datatype = self.WIZARD_PROFILES['Last read']['datatype']
        self.eligible_date_read_fields = self.get_eligible_custom_fields([datatype])
        self.date_read_field_comboBox.addItems([''])
        ecf = sorted(self.eligible_date_read_fields.keys(), key=lambda s: s.lower())
        self.date_read_field_comboBox.addItems(ecf)

        # Retrieve stored value
        existing = get_cc_mapping('date_read', 'combobox')
        if existing:
            ci = self.date_read_field_comboBox.findText(existing)
            self.date_read_field_comboBox.setCurrentIndex(ci)

    def populate_locked(self):
        datatype = self.WIZARD_PROFILES['Locked']['datatype']
        self.eligible_locked_fields = self.get_eligible_custom_fields([datatype])
        self.locked_field_comboBox.addItems([''])
        ecf = sorted(self.eligible_locked_fields.keys(), key=lambda s: s.lower())
        self.locked_field_comboBox.addItems(ecf)

        # Retrieve stored value
        existing = get_cc_mapping('locked', 'combobox')
        if existing:
            ci = self.locked_field_comboBox.findText(existing)
            self.locked_field_comboBox.setCurrentIndex(ci)

    def populate_progress(self):
        #self.eligible_progress_fields = self.get_eligible_custom_fields(['float'])
        datatype = self.WIZARD_PROFILES['Progress']['datatype']
        self.eligible_progress_fields = self.get_eligible_custom_fields([datatype])
        self.progress_field_comboBox.addItems([''])
        ecf = sorted(self.eligible_progress_fields.keys(), key=lambda s: s.lower())
        self.progress_field_comboBox.addItems(ecf)

        # Retrieve stored value
        existing = get_cc_mapping('progress', 'combobox')
        if existing:
            ci = self.progress_field_comboBox.findText(existing)
            self.progress_field_comboBox.setCurrentIndex(ci)

    def populate_read(self):
        datatype = self.WIZARD_PROFILES['Read']['datatype']
        self.eligible_read_fields = self.get_eligible_custom_fields([datatype])
        self.read_field_comboBox.addItems([''])
        ecf = sorted(self.eligible_read_fields.keys(), key=lambda s: s.lower())
        self.read_field_comboBox.addItems(ecf)

        # Retrieve stored value
        existing = get_cc_mapping('read', 'combobox')
        if existing:
            ci = self.read_field_comboBox.findText(existing)
            self.read_field_comboBox.setCurrentIndex(ci)

    def populate_reading_list(self):
        datatype = self.WIZARD_PROFILES['Reading list']['datatype']
        self.eligible_reading_list_fields = self.get_eligible_custom_fields([datatype])
        self.reading_list_field_comboBox.addItems([''])
        ecf = sorted(self.eligible_reading_list_fields.keys(), key=lambda s: s.lower())
        self.reading_list_field_comboBox.addItems(ecf)

        # Retrieve stored value
        existing = get_cc_mapping('reading_list', 'combobox')
        if existing:
            ci = self.reading_list_field_comboBox.findText(existing)
            self.reading_list_field_comboBox.setCurrentIndex(ci)

    def populate_word_count(self):
        #self.eligible_word_count_fields = self.get_eligible_custom_fields(['int'])
        datatype = self.WIZARD_PROFILES['Word count']['datatype']
        self.eligible_word_count_fields = self.get_eligible_custom_fields([datatype])
        self.word_count_field_comboBox.addItems([''])
        ecf = sorted(self.eligible_word_count_fields.keys(), key=lambda s: s.lower())
        self.word_count_field_comboBox.addItems(ecf)

        # Retrieve stored value
        existing = get_cc_mapping('word_count', 'combobox')
        if existing:
            ci = self.word_count_field_comboBox.findText(existing)
            self.word_count_field_comboBox.setCurrentIndex(ci)

    """
    def select_dropbox_folder(self):
        '''
        '''
        self._log_location()
        dropbox_location = QFileDialog.getExistingDirectory(
            self,
            "Dropbox folder",
            os.path.expanduser("~"),
            QFileDialog.ShowDirsOnly | QFileDialog.DontResolveSymlinks)
        self.dropbox_location_lineedit.setText(unicode(dropbox_location))

    def set_dropbox_syncing(self, state):
        '''
        Called when checkbox changes state, or when restoring state
        Set enabled state of Dropbox folder picker to match
        '''
        self.cfg_dropbox_folder_toolbutton.setEnabled(state)
        self.dropbox_location_lineedit.setEnabled(state)
    """

    def set_restart_required(self, state):
        '''
        Set restart_required flag to show show dialog when closing dialog
        '''
        self.restart_required = True

    """
    def save_combobox_setting(self, cb, index):
        '''
        Apply changes immediately
        '''
        cf = str(getattr(self, cb).currentText())
        self._log_location("%s => %s" % (cb, repr(cf)))

        if cb == 'annotations_field_comboBox':
            field = None
            if cf:
                field = self.eligible_annotations_fields[cf]
            set_cc_mapping('annotations', combobox=cf, field=field)
    """

    def save_settings(self):
        self._log_location()

        # Annotations field
        cf = unicode(self.annotations_field_comboBox.currentText())
        field = None
        if cf:
            field = self.eligible_annotations_fields[cf]
        set_cc_mapping('annotations', combobox=cf, field=field)

        # Collections field
        cf = unicode(self.collection_field_comboBox.currentText())
        field = None
        if cf:
            field = self.eligible_collection_fields[cf]
        set_cc_mapping('collections', combobox=cf, field=field)

        # Date read field
        cf = unicode(self.date_read_field_comboBox.currentText())
        field = None
        if cf:
            field = self.eligible_date_read_fields[cf]
        set_cc_mapping('date_read', combobox=cf, field=field)

        # Locked field
        cf = unicode(self.locked_field_comboBox.currentText())
        field = None
        if cf:
            field = self.eligible_locked_fields[cf]
        set_cc_mapping('locked', combobox=cf, field=field)

        # Progress field
        cf = unicode(self.progress_field_comboBox.currentText())
        field = None
        if cf:
            field = self.eligible_progress_fields[cf]
        set_cc_mapping('progress', combobox=cf, field=field)

        # Read field
        cf = unicode(self.read_field_comboBox.currentText())
        field = None
        if cf:
            field = self.eligible_read_fields[cf]
        set_cc_mapping('read', combobox=cf, field=field)

        # Reading list field
        cf = unicode(self.reading_list_field_comboBox.currentText())
        field = None
        if cf:
            field = self.eligible_reading_list_fields[cf]
        set_cc_mapping('reading_list', combobox=cf, field=field)

        # Word count field
        cf = unicode(self.word_count_field_comboBox.currentText())
        field = None
        if cf:
            field = self.eligible_word_count_fields[cf]
        set_cc_mapping('word_count', combobox=cf, field=field)

        '''
        # Save Dropbox settings
        self.prefs.set('dropbox_syncing', self.dropbox_syncing_checkbox.isChecked())
        self.prefs.set('dropbox_folder', unicode(self.dropbox_location_lineedit.text()))
        '''

        # Save general settings
        self.prefs.set('apply_markers_to_duplicates', self.duplicate_markers_checkbox.isChecked())
        self.prefs.set('apply_markers_to_updated', self.updated_markers_checkbox.isChecked())
        self.prefs.set('auto_refresh_at_startup', self.auto_refresh_checkbox.isChecked())
        self.prefs.set('show_progress_as_percentage', self.reading_progress_checkbox.isChecked())

        # Save debug settings
        self.prefs.set('debug_plugin', self.debug_plugin_checkbox.isChecked())
        self.prefs.set('debug_libimobiledevice', self.debug_libimobiledevice_checkbox.isChecked())

        # If restart needed, inform user
        if self.restart_required:
            do_restart = show_restart_warning('Restart calibre for the changes to be applied.',
                                              parent=self.gui)
            if do_restart:
                self.gui.quit(restart=True)

    def start_inventory(self):
        self._log_location()
        self.annotated_books_scanner.start()
예제 #6
0
class ConfigWidget(QWidget, Logger):
    # Manually managed controls when saving/restoring
    EXCLUDED_CONTROLS = [
        'cfg_annotations_destination_comboBox'
        ]

    #LOCATION_TEMPLATE = "{cls}:{func}({arg1}) {arg2}"

    WIZARD_PROFILES = {
        'Annotations': {
            'label': 'mm_annotations',
            'datatype': 'comments',
            'display': {},
            'is_multiple': False
            }
        }

    def __init__(self, plugin_action):
        self.gui = plugin_action.gui
        self.opts = plugin_action.opts

        QWidget.__init__(self)
        self.l = QVBoxLayout()
        self.setLayout(self.l)

        # ~~~~~~~~ Create the runtime options group box ~~~~~~~~
        self.cfg_runtime_options_gb = QGroupBox(self)
        self.cfg_runtime_options_gb.setTitle(_('Runtime options'))
        self.l.addWidget(self.cfg_runtime_options_gb)
        self.cfg_runtime_options_qvl = QVBoxLayout(self.cfg_runtime_options_gb)

        # ~~~~~~~~ Disable caching checkbox ~~~~~~~~
        self.cfg_disable_caching_checkbox = QCheckBox(_('Disable caching'))
        self.cfg_disable_caching_checkbox.setObjectName('cfg_disable_caching_checkbox')
        self.cfg_disable_caching_checkbox.setToolTip(_('Force reload of reader database'))
        self.cfg_disable_caching_checkbox.setChecked(False)
        self.cfg_runtime_options_qvl.addWidget(self.cfg_disable_caching_checkbox)

        # ~~~~~~~~ plugin logging checkbox ~~~~~~~~
        self.cfg_plugin_debug_log_checkbox = QCheckBox(_('Enable debug logging for Annotations plugin'))
        self.cfg_plugin_debug_log_checkbox.setObjectName('cfg_plugin_debug_log_checkbox')
        self.cfg_plugin_debug_log_checkbox.setToolTip(_('Print plugin diagnostic messages to console'))
        self.cfg_plugin_debug_log_checkbox.setChecked(False)
        self.cfg_runtime_options_qvl.addWidget(self.cfg_plugin_debug_log_checkbox)

        # ~~~~~~~~ libiMobileDevice logging checkbox ~~~~~~~~
        self.cfg_libimobiledevice_debug_log_checkbox = QCheckBox(_('Enable debug logging for libiMobileDevice'))
        self.cfg_libimobiledevice_debug_log_checkbox.setObjectName('cfg_libimobiledevice_debug_log_checkbox')
        self.cfg_libimobiledevice_debug_log_checkbox.setToolTip(_('Print libiMobileDevice debug messages to console'))
        self.cfg_libimobiledevice_debug_log_checkbox.setChecked(False)
        self.cfg_libimobiledevice_debug_log_checkbox.setEnabled(LIBIMOBILEDEVICE_AVAILABLE)
        self.cfg_runtime_options_qvl.addWidget(self.cfg_libimobiledevice_debug_log_checkbox)

        # ~~~~~~~~ Create the Annotations options group box ~~~~~~~~
        self.cfg_annotation_options_gb = QGroupBox(self)
        self.cfg_annotation_options_gb.setTitle(_('Annotation options'))
        self.l.addWidget(self.cfg_annotation_options_gb)

        self.cfg_annotation_options_qgl = QGridLayout(self.cfg_annotation_options_gb)
        current_row = 0

        # Add the label/combobox for annotations destination
        self.cfg_annotations_destination_label = QLabel(_('<b>Add fetched annotations to<b>'))
        self.cfg_annotations_destination_label.setAlignment(Qt.AlignLeft)
        self.cfg_annotation_options_qgl.addWidget(self.cfg_annotations_destination_label, current_row, 0)
        current_row += 1

        self.cfg_annotations_destination_comboBox = QComboBox(self.cfg_annotation_options_gb)
        self.cfg_annotations_destination_comboBox.setObjectName('cfg_annotations_destination_comboBox')
        self.cfg_annotations_destination_comboBox.setToolTip(_('Custom field to store annotations'))
        self.cfg_annotation_options_qgl.addWidget(self.cfg_annotations_destination_comboBox, current_row, 0)

        # Populate annotations_field combobox
        db = self.gui.current_db
        all_custom_fields = db.custom_field_keys()
        self.custom_fields = {}
        for custom_field in all_custom_fields:
            field_md = db.metadata_for_field(custom_field)
            if field_md['datatype'] in ['comments']:
                self.custom_fields[field_md['name']] = {'field': custom_field,
                                                   'datatype': field_md['datatype']}

        all_fields = self.custom_fields.keys() + ['Comments']
        for cf in sorted(all_fields):
            self.cfg_annotations_destination_comboBox.addItem(cf)

        # Add CC Wizard
        self.cfg_annotations_wizard = QToolButton()
        self.cfg_annotations_wizard.setIcon(QIcon(I('wizard.png')))
        self.cfg_annotations_wizard.setToolTip(_("Create a custom column to store annotations"))
        self.cfg_annotations_wizard.clicked.connect(partial(self.launch_cc_wizard, 'Annotations'))
        self.cfg_annotation_options_qgl.addWidget(self.cfg_annotations_wizard, current_row, 2)

        current_row += 1

        # ~~~~~~~~ Add a horizontal line ~~~~~~~~
        self.cfg_appearance_hl = QFrame(self)
        self.cfg_appearance_hl.setGeometry(QRect(0, 0, 1, 3))
        self.cfg_appearance_hl.setFrameShape(QFrame.HLine)
        self.cfg_appearance_hl.setFrameShadow(QFrame.Raised)
        self.cfg_annotation_options_qgl.addWidget(self.cfg_appearance_hl, current_row, 0)
        current_row += 1

        # ~~~~~~~~ Add the Modify… button ~~~~~~~~
        self.cfg_annotations_appearance_pushbutton = QPushButton(_("Modify appearance…"))
        self.cfg_annotations_appearance_pushbutton.clicked.connect(self.configure_appearance)
        self.cfg_annotation_options_qgl.addWidget(self.cfg_annotations_appearance_pushbutton, current_row, 0)
        current_row += 1

        self.spacerItem = QtGui.QSpacerItem(20, 40, QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Expanding)
        self.cfg_annotation_options_qgl.addItem(self.spacerItem, current_row, 0, 1, 1)

        # ~~~~~~~~ Compilations group box ~~~~~~~~
        self.cfg_compilation_options_gb = QGroupBox(self)
        self.cfg_compilation_options_gb.setTitle(_('Compilations'))
        self.l.addWidget(self.cfg_compilation_options_gb)
        self.cfg_compilation_options_qgl = QGridLayout(self.cfg_compilation_options_gb)
        current_row = 0

        #   News clippings
        self.cfg_news_clippings_checkbox = QCheckBox(_('Collect News clippings'))
        self.cfg_news_clippings_checkbox.setObjectName('cfg_news_clippings_checkbox')
        self.cfg_compilation_options_qgl.addWidget(self.cfg_news_clippings_checkbox,
            current_row, 0)

        self.cfg_news_clippings_lineEdit = QLineEdit()
        self.cfg_news_clippings_lineEdit.setObjectName('cfg_news_clippings_lineEdit')
        self.cfg_news_clippings_lineEdit.setToolTip(_('Title for collected news clippings'))
        self.cfg_compilation_options_qgl.addWidget(self.cfg_news_clippings_lineEdit,
            current_row, 1)

        # ~~~~~~~~ End of construction zone ~~~~~~~~

        self.resize(self.sizeHint())

        # Restore state of controls, populate annotations combobox
        self.controls = inventory_controls(self, dump_controls=False)
        restore_state(self)
        self.populate_annotations()

        # Hook changes to annotations_destination_combobox
#        self.connect(self.cfg_annotations_destination_comboBox,
#                     pyqtSignal('currentIndexChanged(const QString &)'),
#                     self.annotations_destination_changed)
        self.cfg_annotations_destination_comboBox.currentIndexChanged.connect(self.annotations_destination_changed)

        # Hook changes to diagnostic checkboxes
        self.cfg_disable_caching_checkbox.stateChanged.connect(self.restart_required)
        self.cfg_libimobiledevice_debug_log_checkbox.stateChanged.connect(self.restart_required)
        self.cfg_plugin_debug_log_checkbox.stateChanged.connect(self.restart_required)

        # Hook changes to News clippings, initialize
        self.cfg_news_clippings_checkbox.stateChanged.connect(self.news_clippings_toggled)
        self.news_clippings_toggled(self.cfg_news_clippings_checkbox.checkState())
        self.cfg_news_clippings_lineEdit.editingFinished.connect(self.news_clippings_destination_changed)

        # Launch the annotated_books_scanner
        field = get_cc_mapping('annotations', 'field', 'Comments')
        self.annotated_books_scanner = InventoryAnnotatedBooks(self.gui, field)
        self.annotated_books_scanner.signal.connect(self.inventory_complete)
#        self.connect(self.annotated_books_scanner, self.annotated_books_scanner.signal,
#            self.inventory_complete)
        QTimer.singleShot(1, self.start_inventory)

    def annotations_destination_changed(self, qs_new_destination_name):
        '''
        If the destination field changes, move all existing annotations from old to new
        '''
        self._log_location(repr(qs_new_destination_name))
        self._log("self.custom_fields: %s" % self.custom_fields)

        old_destination_field = get_cc_mapping('annotations', 'field', None)
        if old_destination_field and not (old_destination_field in self.gui.current_db.custom_field_keys() or old_destination_field == 'Comments'):
            return
        old_destination_name = get_cc_mapping('annotations', 'combobox', None)

        self._log("old_destination_field: %s" % old_destination_field)
        self._log("old_destination_name: %s" % old_destination_name)

        # Catch initial change from None to Comments - first run only
        if old_destination_field is None:
            return

#        new_destination_name = unicode(qs_new_destination_name)
        new_destination_name = unicode(self.cfg_annotations_destination_comboBox.currentText())
        self._log("new_destination_name: %s" % new_destination_name)

        if old_destination_name == new_destination_name:
            self._log_location("old_destination_name = new_destination_name, no changes")
            return

        new_destination_field = None
        if new_destination_name == 'Comments':
            new_destination_field = 'Comments'
        else:
            new_destination_field = self.custom_fields[new_destination_name]['field']

        if existing_annotations(self.opts.parent, old_destination_field):
            command = self.launch_new_destination_dialog(old_destination_name, new_destination_name)

            if command == 'move':
                set_cc_mapping('annotations', field=new_destination_field, combobox=new_destination_name)

                if self.annotated_books_scanner.isRunning():
                    self.annotated_books_scanner.wait()
                move_annotations(self, self.annotated_books_scanner.annotation_map,
                    old_destination_field, new_destination_field)

            elif command == 'change':
                # Keep the updated destination field, but don't move annotations
                pass

            elif command == 'cancel':
                # Restore previous destination
                self.cfg_annotations_destination_comboBox.blockSignals(True)
                old_index = self.cfg_annotations_destination_comboBox.findText(old_destination_name)
                self.cfg_annotations_destination_comboBox.setCurrentIndex(old_index)
                self.cfg_annotations_destination_comboBox.blockSignals(False)

            """
            # Warn user that change will move existing annotations to new field
            title = 'Move annotations?'
            msg = ("<p>Existing annotations will be moved from <b>%s</b> to <b>%s</b>.</p>" %
                    (old_destination_name, new_destination_name) +
                   "<p>New annotations will be added to <b>%s</b>.</p>" %
                    new_destination_name +
                   "<p>Proceed?</p>")
            d = MessageBox(MessageBox.QUESTION,
                           title, msg,
                           show_copy_button=False)
            self._log_location("QUESTION: %s" % msg)
            if d.exec_():
                set_cc_mapping('annotations', field=new_destination_field, combobox=new_destination_name)

                if self.annotated_books_scanner.isRunning():
                    self.annotated_books_scanner.wait()
                move_annotations(self, self.annotated_books_scanner.annotation_map,
                    old_destination_field, new_destination_field)

            else:
                self.cfg_annotations_destination_comboBox.blockSignals(True)
                old_index = self.cfg_annotations_destination_comboBox.findText(old_destination_name)
                self.cfg_annotations_destination_comboBox.setCurrentIndex(old_index)
                self.cfg_annotations_destination_comboBox.blockSignals(False)
            """

        else:
            # No existing annotations, just update prefs
            set_cc_mapping('annotations', field=new_destination_field, combobox=new_destination_name)

    def configure_appearance(self):
        '''
        '''
        from calibre_plugins.annotations.appearance import default_elements
        from calibre_plugins.annotations.appearance import default_timestamp
        appearance_settings = {
                                'appearance_css': default_elements,
                                'appearance_hr_checkbox': False,
                                'appearance_timestamp_format': default_timestamp
                              }

        # Save, hash the original settings
        original_settings = {}
        osh = hashlib.md5()
        for setting in appearance_settings:
            original_settings[setting] = plugin_prefs.get(setting, appearance_settings[setting])
            osh.update(repr(plugin_prefs.get(setting, appearance_settings[setting])))

        # Display the appearance dialog
        aa = AnnotationsAppearance(self, get_icon('images/annotations.png'), plugin_prefs)
        cancelled = False
        if aa.exec_():
            # appearance_hr_checkbox and appearance_timestamp_format changed live to prefs during previews
            plugin_prefs.set('appearance_css', aa.elements_table.get_data())
            # Generate a new hash
            nsh = hashlib.md5()
            for setting in appearance_settings:
                nsh.update(repr(plugin_prefs.get(setting, appearance_settings[setting])))
        else:
            for setting in appearance_settings:
                plugin_prefs.set(setting, original_settings[setting])
            nsh = osh

        # If there were changes, and there are existing annotations, offer to re-render
        field = get_cc_mapping('annotations', 'field', None)
        if osh.digest() != nsh.digest() and existing_annotations(self.opts.parent,field):
            title = _('Update annotations?')
            msg = _('<p>Update existing annotations to new appearance settings?</p>')
            d = MessageBox(MessageBox.QUESTION,
                           title, msg,
                           show_copy_button=False)
            self._log_location("QUESTION: %s" % msg)
            if d.exec_():
                self._log_location("Updating existing annotations to modified appearance")
                if self.annotated_books_scanner.isRunning():
                    self.annotated_books_scanner.wait()
                move_annotations(self, self.annotated_books_scanner.annotation_map,
                    field, field, window_title=_("Updating appearance"))

    def inventory_complete(self, msg):
        self._log_location(msg)

    def launch_cc_wizard(self, column_type):
        '''
        '''
        def _update_combo_box(comboBox, destination, previous):
            '''
            '''
            self._log_location()

            cb = getattr(self, comboBox)
            cb.blockSignals(True)
            all_items = [str(cb.itemText(i))
                         for i in range(cb.count())]
            if previous and previous in all_items:
                all_items.remove(previous)
            all_items.append(destination)

            cb.clear()
            cb.addItems(sorted(all_items, key=lambda s: s.lower()))

            # Select the new destination in the comboBox
            idx = cb.findText(destination)
            if idx > -1:
                cb.setCurrentIndex(idx)

            # Process the changed destination
            self.annotations_destination_changed(destination)

            cb.blockSignals(False)


        klass = os.path.join(dialog_resources_path, 'cc_wizard.py')
        if os.path.exists(klass):
            #self._log("importing CC Wizard dialog from '%s'" % klass)
            sys.path.insert(0, dialog_resources_path)
            this_dc = importlib.import_module('cc_wizard')
            sys.path.remove(dialog_resources_path)
            dlg = this_dc.CustomColumnWizard(self,
                                             column_type,
                                             self.WIZARD_PROFILES[column_type],
                                             verbose=True)
            dlg.exec_()

            if dlg.modified_column:
                self._log("modified_column: %s" % dlg.modified_column)

                destination = dlg.modified_column['destination']
                label = dlg.modified_column['label']
                previous = dlg.modified_column['previous']
                source = dlg.modified_column['source']

                self._log("destination: %s" % destination)
                self._log("label: %s" % label)
                self._log("previous: %s" % previous)
                self._log("source: %s" % source)

                if source == "Annotations":
                    # Add/update the new destination so save_settings() can find it
                    if destination in self.custom_fields:
                        self.custom_fields[destination]['field'] = label
                    else:
                        self.custom_fields[destination] = {'field': label}

                    _update_combo_box('cfg_annotations_destination_comboBox', destination, previous)

                    # Save field manually in case user cancels
                    #self.prefs.set('cfg_annotations_destination_comboBox', destination)
                    #self.prefs.set('cfg_annotations_destination_field', label)
                    set_cc_mapping('annotations', field=label, combobox=destination)

                    # Inform user to restart
                    self.restart_required('custom_column')

        else:
            self._log("ERROR: Can't import from '%s'" % klass)

    def launch_new_destination_dialog(self, old, new):
        '''
        Return 'move', 'change' or 'cancel'
        '''
        self._log_location()

        klass = os.path.join(dialog_resources_path, 'new_destination.py')
        if os.path.exists(klass):
            self._log("importing new destination dialog from '%s'" % klass)
            sys.path.insert(0, dialog_resources_path)
            this_dc = importlib.import_module('new_destination')
            sys.path.remove(dialog_resources_path)
            dlg = this_dc.NewDestinationDialog(self, old, new)
            dlg.exec_()
            return dlg.command

    def news_clippings_destination_changed(self):
        qs_new_destination_name = self.cfg_news_clippings_lineEdit.text()
        if not re.match(r'^\S+[A-Za-z0-9 ]+$', qs_new_destination_name):
            # Complain about News clippings title
            title = _('Invalid title for News clippings')
            msg = _("Supply a valid title for News clippings, for example 'My News Clippings'.")
            d = MessageBox(MessageBox.WARNING,
                           title, msg,
                           show_copy_button=False)
            self._log_location("WARNING: %s" % msg)
            d.exec_()

    def news_clippings_toggled(self, state):
        if state == Qt.Checked:
            self.cfg_news_clippings_lineEdit.setEnabled(True)
        else:
            self.cfg_news_clippings_lineEdit.setEnabled(False)

    def populate_annotations(self):
        '''
        Restore annotations combobox
        '''
        self._log_location()
        target = 'Comments'
        existing = get_cc_mapping('annotations', 'combobox')
        if existing:
            target = existing
        ci = self.cfg_annotations_destination_comboBox.findText(target)
        self.cfg_annotations_destination_comboBox.setCurrentIndex(ci)

    def restart_required(self, state):
        title = _('Restart required')
        msg = _('To apply changes, restart calibre.')
        d = MessageBox(MessageBox.WARNING,
                       title, msg,
                       show_copy_button=False)
        self._log_location("WARNING: %s" % (msg))
        d.exec_()

    def save_settings(self):
        save_state(self)

        # Save the annotation destination field
        ann_dest = unicode(self.cfg_annotations_destination_comboBox.currentText())
        self._log_location("INFO: ann_dest=%s" % (ann_dest))
        self._log_location("INFO: self.custom_fields=%s" % (self.custom_fields))
        if ann_dest == 'Comments':
            set_cc_mapping('annotations', field='Comments', combobox='Comments')
        elif ann_dest:
            set_cc_mapping('annotations', field=self.custom_fields[ann_dest]['field'], combobox=ann_dest)

    def start_inventory(self):
        self.annotated_books_scanner.start()