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Change to cache colors instead of metadata.

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This commit is contained in:
Charles Haley 2011-05-30 20:52:26 +01:00
parent cfae562f75
commit e21d45824e
1 changed files with 13 additions and 11 deletions
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22
src/calibre/gui2/library/models.py
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@ -7,6 +7,7 @@ __docformat__ = 'restructuredtext en'
import shutil, functools, re, os, traceback import shutil, functools, re, os, traceback
from contextlib import closing from contextlib import closing
from collections import defaultdict
from PyQt4.Qt import (QAbstractTableModel, Qt, pyqtSignal, QIcon, QImage, from PyQt4.Qt import (QAbstractTableModel, Qt, pyqtSignal, QIcon, QImage,
QModelIndex, QVariant, QDate, QColor) QModelIndex, QVariant, QDate, QColor)
@ -87,7 +88,7 @@ class BooksModel(QAbstractTableModel): # {{{
self.column_map = [] self.column_map = []
self.headers = {} self.headers = {}
self.alignment_map = {} self.alignment_map = {}
self.mi_cache = {} self.color_cache = defaultdict(dict)
self.buffer_size = buffer self.buffer_size = buffer
self.metadata_backup = None self.metadata_backup = None
self.bool_yes_icon = QIcon(I('ok.png')) self.bool_yes_icon = QIcon(I('ok.png'))
@ -173,13 +174,13 @@ class BooksModel(QAbstractTableModel): # {{{
def refresh_ids(self, ids, current_row=-1): def refresh_ids(self, ids, current_row=-1):
self.mi_cache = {} self.color_cache = defaultdict(dict)
rows = self.db.refresh_ids(ids) rows = self.db.refresh_ids(ids)
if rows: if rows:
self.refresh_rows(rows, current_row=current_row) self.refresh_rows(rows, current_row=current_row)
def refresh_rows(self, rows, current_row=-1): def refresh_rows(self, rows, current_row=-1):
self.mi_cache = {} self.color_cache = defaultdict(dict)
for row in rows: for row in rows:
if row == current_row: if row == current_row:
self.new_bookdisplay_data.emit( self.new_bookdisplay_data.emit(
@ -209,7 +210,7 @@ class BooksModel(QAbstractTableModel): # {{{
return ret return ret
def count_changed(self, *args): def count_changed(self, *args):
self.mi_cache = {} self.color_cache = defaultdict(dict)
self.count_changed_signal.emit(self.db.count()) self.count_changed_signal.emit(self.db.count())
def row_indices(self, index): def row_indices(self, index):
@ -341,7 +342,7 @@ class BooksModel(QAbstractTableModel): # {{{
self.resort(reset=reset) self.resort(reset=reset)
def reset(self): def reset(self):
self.mi_cache = {} self.color_cache = defaultdict(dict)
QAbstractTableModel.reset(self) QAbstractTableModel.reset(self)
def resort(self, reset=True): def resort(self, reset=True):
@ -727,18 +728,19 @@ class BooksModel(QAbstractTableModel): # {{{
key = self.column_map[col] key = self.column_map[col]
if key in self.column_color_map: if key in self.column_color_map:
id_ = self.id(index) id_ = self.id(index)
if id_ in self.mi_cache: if id_ in self.color_cache:
mi = self.mi_cache[id_] if key in self.color_cache[id_]:
else: return self.color_cache[id_][key]
mi = self.db.get_metadata(self.id(index), index_is_id=True) mi = self.db.get_metadata(self.id(index), index_is_id=True)
self.mi_cache[id_] = mi
fmt = self.column_color_map[key] fmt = self.column_color_map[key]
try: try:
color = composite_formatter.safe_format(fmt, mi, '', mi) color = composite_formatter.safe_format(fmt, mi, '', mi)
if color in self.colors: if color in self.colors:
color = QColor(color) color = QColor(color)
if color.isValid(): if color.isValid():
return QVariant(color) color = QVariant(color)
self.color_cache[id_][key] = color
return color
except: except:
return NONE return NONE
elif self.is_custom_column(key) and \ elif self.is_custom_column(key) and \