Esempio n. 1
0
    def __init__(self, cover_thread_count=2, detail_thread_count=4):
        QAbstractItemModel.__init__(self)

        self.DRM_LOCKED_ICON = QPixmap(I('drm-locked.png')).scaledToHeight(
            64, Qt.SmoothTransformation)
        self.DRM_UNLOCKED_ICON = QPixmap(I('drm-unlocked.png')).scaledToHeight(
            64, Qt.SmoothTransformation)
        self.DRM_UNKNOWN_ICON = QPixmap(
            I('dialog_question.png')).scaledToHeight(64,
                                                     Qt.SmoothTransformation)
        self.DONATE_ICON = QPixmap(I('donate.png')).scaledToHeight(
            16, Qt.SmoothTransformation)
        self.DOWNLOAD_ICON = QPixmap(I('arrow-down.png')).scaledToHeight(
            16, Qt.SmoothTransformation)

        # All matches. Used to determine the order to display
        # self.matches because the SearchFilter returns
        # matches unordered.
        self.all_matches = []
        # Only the showing matches.
        self.matches = []
        self.query = ''
        self.filterable_query = False
        self.search_filter = SearchFilter()
        self.cover_pool = CoverThreadPool(cover_thread_count)
        self.details_pool = DetailsThreadPool(detail_thread_count)

        self.filter_results_dispatcher = FunctionDispatcher(
            self.filter_results)
        self.got_result_details_dispatcher = FunctionDispatcher(
            self.got_result_details)

        self.sort_col = 2
        self.sort_order = Qt.AscendingOrder
Esempio n. 2
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    def __init__(self, cover_thread_count=2, detail_thread_count=4):
        QAbstractItemModel.__init__(self)

        self.DRM_LOCKED_ICON = QPixmap(I('drm-locked.png')).scaledToHeight(64,
                Qt.SmoothTransformation)
        self.DRM_UNLOCKED_ICON = QPixmap(I('drm-unlocked.png')).scaledToHeight(64,
                Qt.SmoothTransformation)
        self.DRM_UNKNOWN_ICON = QPixmap(I('dialog_question.png')).scaledToHeight(64,
                Qt.SmoothTransformation)
        self.DONATE_ICON = QPixmap(I('donate.png')).scaledToHeight(16,
                Qt.SmoothTransformation)
        self.DOWNLOAD_ICON = QPixmap(I('arrow-down.png')).scaledToHeight(16,
                Qt.SmoothTransformation)

        # All matches. Used to determine the order to display
        # self.matches because the SearchFilter returns
        # matches unordered.
        self.all_matches = []
        # Only the showing matches.
        self.matches = []
        self.query = ''
        self.filterable_query = False
        self.search_filter = SearchFilter()
        self.cover_pool = CoverThreadPool(cover_thread_count)
        self.details_pool = DetailsThreadPool(detail_thread_count)

        self.filter_results_dispatcher = FunctionDispatcher(self.filter_results)
        self.got_result_details_dispatcher = FunctionDispatcher(self.got_result_details)

        self.sort_col = 2
        self.sort_order = Qt.AscendingOrder
Esempio n. 3
0
class Matches(QAbstractItemModel):

    total_changed = pyqtSignal(int)

    HEADERS = [
        _('Cover'),
        _('Title'),
        _('Price'),
        _('DRM'),
        _('Store'),
        _('Download'),
        _('Affiliate')
    ]
    HTML_COLS = (1, 4)

    def __init__(self, cover_thread_count=2, detail_thread_count=4):
        QAbstractItemModel.__init__(self)

        self.DRM_LOCKED_ICON = QPixmap(I('drm-locked.png')).scaledToHeight(
            64, Qt.SmoothTransformation)
        self.DRM_UNLOCKED_ICON = QPixmap(I('drm-unlocked.png')).scaledToHeight(
            64, Qt.SmoothTransformation)
        self.DRM_UNKNOWN_ICON = QPixmap(
            I('dialog_question.png')).scaledToHeight(64,
                                                     Qt.SmoothTransformation)
        self.DONATE_ICON = QPixmap(I('donate.png')).scaledToHeight(
            16, Qt.SmoothTransformation)
        self.DOWNLOAD_ICON = QPixmap(I('arrow-down.png')).scaledToHeight(
            16, Qt.SmoothTransformation)

        # All matches. Used to determine the order to display
        # self.matches because the SearchFilter returns
        # matches unordered.
        self.all_matches = []
        # Only the showing matches.
        self.matches = []
        self.query = ''
        self.filterable_query = False
        self.search_filter = SearchFilter()
        self.cover_pool = CoverThreadPool(cover_thread_count)
        self.details_pool = DetailsThreadPool(detail_thread_count)

        self.filter_results_dispatcher = FunctionDispatcher(
            self.filter_results)
        self.got_result_details_dispatcher = FunctionDispatcher(
            self.got_result_details)

        self.sort_col = 2
        self.sort_order = Qt.AscendingOrder

    def closing(self):
        self.cover_pool.abort()
        self.details_pool.abort()

    def clear_results(self):
        self.all_matches = []
        self.matches = []
        self.all_matches = []
        self.search_filter.clear_search_results()
        self.query = ''
        self.filterable_query = False
        self.cover_pool.abort()
        self.details_pool.abort()
        self.total_changed.emit(self.rowCount())
        self.beginResetModel(), self.endResetModel()

    def add_result(self, result, store_plugin):
        if result not in self.all_matches:
            self.layoutAboutToBeChanged.emit()
            self.all_matches.append(result)
            self.search_filter.add_search_result(result)
            if result.cover_url:
                result.cover_queued = True
                self.cover_pool.add_task(result,
                                         self.filter_results_dispatcher)
            else:
                result.cover_queued = False
            self.details_pool.add_task(result, store_plugin,
                                       self.got_result_details_dispatcher)
            self.filter_results()
            self.layoutChanged.emit()

    def get_result(self, index):
        row = index.row()
        if row < len(self.matches):
            return self.matches[row]
        else:
            return None

    def has_results(self):
        return len(self.matches) > 0

    def filter_results(self):
        self.layoutAboutToBeChanged.emit()
        # Only use the search filter's filtered results when there is a query
        # and it is a filterable query. This allows for the stores best guess
        # matches to come though.
        if self.query and self.filterable_query:
            self.matches = list(self.search_filter.parse(self.query))
        else:
            self.matches = list(self.search_filter.universal_set())
        self.total_changed.emit(self.rowCount())
        self.sort(self.sort_col, self.sort_order, False)
        self.layoutChanged.emit()

    def got_result_details(self, result):
        if not result.cover_queued and result.cover_url:
            result.cover_queued = True
            self.cover_pool.add_task(result, self.filter_results_dispatcher)
        if result in self.matches:
            row = self.matches.index(result)
            self.dataChanged.emit(self.index(row, 0),
                                  self.index(row,
                                             self.columnCount() - 1))
        if result.drm not in (SearchResult.DRM_LOCKED,
                              SearchResult.DRM_UNLOCKED,
                              SearchResult.DRM_UNKNOWN):
            result.drm = SearchResult.DRM_UNKNOWN
        self.filter_results()

    def set_query(self, query):
        self.query = query
        self.filterable_query = self.is_filterable_query(query)

    def is_filterable_query(self, query):
        # Remove control modifiers.
        query = query.replace('\\', '')
        query = query.replace('!', '')
        query = query.replace('=', '')
        query = query.replace('~', '')
        query = query.replace('>', '')
        query = query.replace('<', '')
        # Store the query at this point for comparision later
        mod_query = query
        # Remove filter identifiers
        # Remove the prefix.
        for loc in ('all', 'author', 'author2', 'authors', 'title', 'title2'):
            query = re.sub(r'%s:"(?P<a>[^\s"]+)"' % loc, '\g<a>', query)
            query = query.replace('%s:' % loc, '')
        # Remove the prefix and search text.
        for loc in ('cover', 'download', 'downloads', 'drm', 'format',
                    'formats', 'price', 'store'):
            query = re.sub(r'%s:"[^"]"' % loc, '', query)
            query = re.sub(r'%s:[^\s]*' % loc, '', query)
        # Remove whitespace
        query = re.sub('\s', '', query)
        mod_query = re.sub('\s', '', mod_query)
        # If mod_query and query are the same then there were no filter modifiers
        # so this isn't a filterable query.
        if mod_query == query:
            return False
        return True

    def index(self, row, column, parent=QModelIndex()):
        return self.createIndex(row, column)

    def parent(self, index):
        if not index.isValid() or index.internalId() == 0:
            return QModelIndex()
        return self.createIndex(0, 0)

    def rowCount(self, *args):
        return len(self.matches)

    def columnCount(self, *args):
        return len(self.HEADERS)

    def headerData(self, section, orientation, role):
        if role != Qt.DisplayRole:
            return None
        text = ''
        if orientation == Qt.Horizontal:
            if section < len(self.HEADERS):
                text = self.HEADERS[section]
            return (text)
        else:
            return (section + 1)

    def data(self, index, role):
        row, col = index.row(), index.column()
        if row >= len(self.matches):
            return None
        result = self.matches[row]
        if role == Qt.DisplayRole:
            if col == 1:
                t = result.title if result.title else _('Unknown')
                a = result.author if result.author else ''
                return ('<b>%s</b><br><i>%s</i>' % (t, a))
            elif col == 2:
                return (result.price)
            elif col == 4:
                return ('%s<br>%s' % (result.store_name, result.formats))
            return None
        elif role == Qt.DecorationRole:
            if col == 0 and result.cover_data:
                p = QPixmap()
                p.loadFromData(result.cover_data)
                return (p)
            if col == 3:
                if result.drm == SearchResult.DRM_LOCKED:
                    return (self.DRM_LOCKED_ICON)
                elif result.drm == SearchResult.DRM_UNLOCKED:
                    return (self.DRM_UNLOCKED_ICON)
                elif result.drm == SearchResult.DRM_UNKNOWN:
                    return (self.DRM_UNKNOWN_ICON)
            if col == 5:
                if result.downloads:
                    return (self.DOWNLOAD_ICON)
            if col == 6:
                if result.affiliate:
                    return (self.DONATE_ICON)
        elif role == Qt.ToolTipRole:
            if col == 1:
                return ('<p>%s</p>' % result.title)
            elif col == 2:
                return ('<p>' + _(
                    'Detected price as: %s. Check with the store before making a purchase to verify this price is correct. This price often does not include promotions the store may be running.'
                ) % result.price + '</p>')  # noqa
            elif col == 3:
                if result.drm == SearchResult.DRM_LOCKED:
                    return ('<p>' + _(
                        'This book as been detected as having DRM restrictions. This book may not work with your reader and you will have limitations placed upon you as to what you can do with this book. Check with the store before making any purchases to ensure you can actually read this book.'
                    ) + '</p>')  # noqa
                elif result.drm == SearchResult.DRM_UNLOCKED:
                    return ('<p>' + _(
                        'This book has been detected as being DRM Free. You should be able to use this book on any device provided it is in a format calibre supports for conversion. However, before making a purchase double check the DRM status with the store. The store may not be disclosing the use of DRM.'
                    ) + '</p>')  # noqa
                else:
                    return ('<p>' + _(
                        'The DRM status of this book could not be determined. There is a very high likelihood that this book is actually DRM restricted.'
                    ) + '</p>')  # noqa
            elif col == 4:
                return ('<p>%s</p>' % result.formats)
            elif col == 5:
                if result.downloads:
                    return ('<p>' + _(
                        'The following formats can be downloaded directly: %s.'
                    ) % ', '.join(result.downloads.keys()) + '</p>')
            elif col == 6:
                if result.affiliate:
                    return ('<p>' + _(
                        'Buying from this store supports the calibre developer: %s.'
                    ) % result.plugin_author + '</p>')
        elif role == Qt.SizeHintRole:
            return QSize(64, 64)
        return None

    def data_as_text(self, result, col):
        text = ''
        if col == 1:
            text = result.title
        elif col == 2:
            text = comparable_price(result.price)
        elif col == 3:
            if result.drm == SearchResult.DRM_UNLOCKED:
                text = 'a'
            if result.drm == SearchResult.DRM_LOCKED:
                text = 'b'
            else:
                text = 'c'
        elif col == 4:
            text = result.store_name
        elif col == 5:
            if result.downloads:
                text = 'a'
            else:
                text = 'b'
        elif col == 6:
            if result.affiliate:
                text = 'a'
            else:
                text = 'b'
        return text

    def sort(self, col, order, reset=True):
        self.sort_col = col
        self.sort_order = order
        if not self.matches:
            return
        descending = order == Qt.DescendingOrder
        self.all_matches.sort(
            None, lambda x: sort_key(unicode(self.data_as_text(x, col))),
            descending)
        self.reorder_matches()
        if reset:
            self.beginResetModel(), self.endResetModel()

    def reorder_matches(self):
        def keygen(x):
            try:
                return self.all_matches.index(x)
            except:
                return 100000

        self.matches = sorted(self.matches, key=keygen)
Esempio n. 4
0
class Matches(QAbstractItemModel):

    total_changed = pyqtSignal(int)

    HEADERS = [_('Cover'), _('Title'), _('Price'), _('DRM'), _('Store'), _('Download'), _('Affiliate')]
    HTML_COLS = (1, 4)

    def __init__(self, cover_thread_count=2, detail_thread_count=4):
        QAbstractItemModel.__init__(self)

        self.DRM_LOCKED_ICON = QPixmap(I('drm-locked.png')).scaledToHeight(64,
                Qt.SmoothTransformation)
        self.DRM_UNLOCKED_ICON = QPixmap(I('drm-unlocked.png')).scaledToHeight(64,
                Qt.SmoothTransformation)
        self.DRM_UNKNOWN_ICON = QPixmap(I('dialog_question.png')).scaledToHeight(64,
                Qt.SmoothTransformation)
        self.DONATE_ICON = QPixmap(I('donate.png')).scaledToHeight(16,
                Qt.SmoothTransformation)
        self.DOWNLOAD_ICON = QPixmap(I('arrow-down.png')).scaledToHeight(16,
                Qt.SmoothTransformation)

        # All matches. Used to determine the order to display
        # self.matches because the SearchFilter returns
        # matches unordered.
        self.all_matches = []
        # Only the showing matches.
        self.matches = []
        self.query = ''
        self.filterable_query = False
        self.search_filter = SearchFilter()
        self.cover_pool = CoverThreadPool(cover_thread_count)
        self.details_pool = DetailsThreadPool(detail_thread_count)

        self.filter_results_dispatcher = FunctionDispatcher(self.filter_results)
        self.got_result_details_dispatcher = FunctionDispatcher(self.got_result_details)

        self.sort_col = 2
        self.sort_order = Qt.AscendingOrder

    def closing(self):
        self.cover_pool.abort()
        self.details_pool.abort()

    def clear_results(self):
        self.all_matches = []
        self.matches = []
        self.all_matches = []
        self.search_filter.clear_search_results()
        self.query = ''
        self.filterable_query = False
        self.cover_pool.abort()
        self.details_pool.abort()
        self.total_changed.emit(self.rowCount())
        self.reset()

    def add_result(self, result, store_plugin):
        if result not in self.all_matches:
            self.layoutAboutToBeChanged.emit()
            self.all_matches.append(result)
            self.search_filter.add_search_result(result)
            if result.cover_url:
                result.cover_queued = True
                self.cover_pool.add_task(result, self.filter_results_dispatcher)
            else:
                result.cover_queued = False
            self.details_pool.add_task(result, store_plugin, self.got_result_details_dispatcher)
            self.filter_results()
            self.layoutChanged.emit()

    def get_result(self, index):
        row = index.row()
        if row < len(self.matches):
            return self.matches[row]
        else:
            return None

    def has_results(self):
        return len(self.matches) > 0

    def filter_results(self):
        self.layoutAboutToBeChanged.emit()
        # Only use the search filter's filtered results when there is a query
        # and it is a filterable query. This allows for the stores best guess
        # matches to come though.
        if self.query and self.filterable_query:
            self.matches = list(self.search_filter.parse(self.query))
        else:
            self.matches = list(self.search_filter.universal_set())
        self.total_changed.emit(self.rowCount())
        self.sort(self.sort_col, self.sort_order, False)
        self.layoutChanged.emit()

    def got_result_details(self, result):
        if not result.cover_queued and result.cover_url:
            result.cover_queued = True
            self.cover_pool.add_task(result, self.filter_results_dispatcher)
        if result in self.matches:
            row = self.matches.index(result)
            self.dataChanged.emit(self.index(row, 0), self.index(row, self.columnCount() - 1))
        if result.drm not in (SearchResult.DRM_LOCKED, SearchResult.DRM_UNLOCKED, SearchResult.DRM_UNKNOWN):
            result.drm = SearchResult.DRM_UNKNOWN
        self.filter_results()

    def set_query(self, query):
        self.query = query
        self.filterable_query = self.is_filterable_query(query)
        
    def is_filterable_query(self, query):
        # Remove control modifiers.
        query = query.replace('\\', '')
        query = query.replace('!', '')
        query = query.replace('=', '')
        query = query.replace('~', '')
        query = query.replace('>', '')
        query = query.replace('<', '')
        # Store the query at this point for comparision later
        mod_query = query
        # Remove filter identifiers
        # Remove the prefix.
        for loc in ('all', 'author', 'authors', 'title'):
            query = re.sub(r'%s:"(?P<a>[^\s"]+)"' % loc, '\g<a>', query)
            query = query.replace('%s:' % loc, '')
        # Remove the prefix and search text.
        for loc in ('cover', 'download', 'downloads', 'drm', 'format', 'formats', 'price', 'store'):
            query = re.sub(r'%s:"[^"]"' % loc, '', query)
            query = re.sub(r'%s:[^\s]*' % loc, '', query)
        # Remove whitespace
        query = re.sub('\s', '', query)
        mod_query = re.sub('\s', '', mod_query)
        # If mod_query and query are the same then there were no filter modifiers
        # so this isn't a filterable query.
        if mod_query == query:
            return False
        return True

    def index(self, row, column, parent=QModelIndex()):
        return self.createIndex(row, column)

    def parent(self, index):
        if not index.isValid() or index.internalId() == 0:
            return QModelIndex()
        return self.createIndex(0, 0)

    def rowCount(self, *args):
        return len(self.matches)

    def columnCount(self, *args):
        return len(self.HEADERS)

    def headerData(self, section, orientation, role):
        if role != Qt.DisplayRole:
            return NONE
        text = ''
        if orientation == Qt.Horizontal:
            if section < len(self.HEADERS):
                text = self.HEADERS[section]
            return QVariant(text)
        else:
            return QVariant(section+1)

    def data(self, index, role):
        row, col = index.row(), index.column()
        if row >= len(self.matches):
            return NONE
        result = self.matches[row]
        if role == Qt.DisplayRole:
            if col == 1:
                t = result.title if result.title else _('Unknown')
                a = result.author if result.author else ''
                return QVariant('<b>%s</b><br><i>%s</i>' % (t, a))
            elif col == 2:
                return QVariant(result.price)
            elif col == 4:
                return QVariant('%s<br>%s' % (result.store_name, result.formats))
            return NONE
        elif role == Qt.DecorationRole:
            if col == 0 and result.cover_data:
                p = QPixmap()
                p.loadFromData(result.cover_data)
                return QVariant(p)
            if col == 3:
                if result.drm == SearchResult.DRM_LOCKED:
                    return QVariant(self.DRM_LOCKED_ICON)
                elif result.drm == SearchResult.DRM_UNLOCKED:
                    return QVariant(self.DRM_UNLOCKED_ICON)
                elif result.drm == SearchResult.DRM_UNKNOWN:
                    return QVariant(self.DRM_UNKNOWN_ICON)
            if col == 5:
                if result.downloads:
                    return QVariant(self.DOWNLOAD_ICON)
            if col == 6:
                if result.affiliate:
                    return QVariant(self.DONATE_ICON)
        elif role == Qt.ToolTipRole:
            if col == 1:
                return QVariant('<p>%s</p>' % result.title)
            elif col == 2:
                return QVariant('<p>' + _('Detected price as: %s. Check with the store before making a purchase to verify this price is correct. This price often does not include promotions the store may be running.') % result.price + '</p>')
            elif col == 3:
                if result.drm == SearchResult.DRM_LOCKED:
                    return QVariant('<p>' + _('This book as been detected as having DRM restrictions. This book may not work with your reader and you will have limitations placed upon you as to what you can do with this book. Check with the store before making any purchases to ensure you can actually read this book.') + '</p>')
                elif result.drm == SearchResult.DRM_UNLOCKED:
                    return QVariant('<p>' + _('This book has been detected as being DRM Free. You should be able to use this book on any device provided it is in a format calibre supports for conversion. However, before making a purchase double check the DRM status with the store. The store may not be disclosing the use of DRM.') + '</p>')
                else:
                    return QVariant('<p>' + _('The DRM status of this book could not be determined. There is a very high likelihood that this book is actually DRM restricted.') + '</p>')
            elif col == 4:
                return QVariant('<p>%s</p>' % result.formats)
            elif col == 5:
                if result.downloads:
                    return QVariant('<p>' + _('The following formats can be downloaded directly: %s.') % ', '.join(result.downloads.keys()) + '</p>')
            elif col == 6:
                if result.affiliate:
                    return QVariant('<p>' + _('Buying from this store supports the calibre developer: %s.') % result.plugin_author + '</p>')
        elif role == Qt.SizeHintRole:
            return QSize(64, 64)
        return NONE

    def data_as_text(self, result, col):
        text = ''
        if col == 1:
            text = result.title
        elif col == 2:
            text = comparable_price(result.price)
        elif col == 3:
            if result.drm == SearchResult.DRM_UNLOCKED:
                text = 'a'
            if result.drm == SearchResult.DRM_LOCKED:
                text = 'b'
            else:
                text = 'c'
        elif col == 4:
            text = result.store_name
        elif col == 5:
            if result.downloads:
                text = 'a'
            else:
                text = 'b'
        elif col == 6:
            if result.affiliate:
                text = 'a'
            else:
                text = 'b'
        return text

    def sort(self, col, order, reset=True):
        self.sort_col = col
        self.sort_order = order
        if not self.matches:
            return
        descending = order == Qt.DescendingOrder
        self.all_matches.sort(None,
            lambda x: sort_key(unicode(self.data_as_text(x, col))),
            descending)
        self.reorder_matches()
        if reset:
            self.reset()

    def reorder_matches(self):
        def keygen(x):
            try:
                return self.all_matches.index(x)
            except:
                return 100000
        self.matches = sorted(self.matches, key=keygen)