calibre/src/calibre/gui2/dialogs/book_info.py
2010-03-02 03:50:56 -08:00

122 lines
4.5 KiB
Python

#!/usr/bin/env python
__license__ = 'GPL v3'
__copyright__ = '2008, Kovid Goyal kovid@kovidgoyal.net'
__docformat__ = 'restructuredtext en'
'''
'''
import textwrap, os
from PyQt4.QtCore import QCoreApplication, SIGNAL, QModelIndex, QUrl, QTimer, Qt
from PyQt4.QtGui import QDialog, QPixmap, QGraphicsScene, QIcon, QDesktopServices
from calibre.gui2.dialogs.book_info_ui import Ui_BookInfo
from calibre.gui2 import dynamic
from calibre import fit_image
class BookInfo(QDialog, Ui_BookInfo):
def __init__(self, parent, view, row):
QDialog.__init__(self, parent)
Ui_BookInfo.__init__(self)
self.setupUi(self)
self.cover_pixmap = None
desktop = QCoreApplication.instance().desktop()
screen_height = desktop.availableGeometry().height() - 100
self.resize(self.size().width(), screen_height)
self.view = view
self.current_row = None
self.fit_cover.setChecked(dynamic.get('book_info_dialog_fit_cover',
True))
self.refresh(row)
self.connect(self.view.selectionModel(), SIGNAL('currentChanged(QModelIndex,QModelIndex)'), self.slave)
self.connect(self.next_button, SIGNAL('clicked()'), self.next)
self.connect(self.previous_button, SIGNAL('clicked()'), self.previous)
self.connect(self.text, SIGNAL('linkActivated(QString)'), self.open_book_path)
self.fit_cover.stateChanged.connect(self.toggle_cover_fit)
self.cover.resizeEvent = self.cover_view_resized
def toggle_cover_fit(self, state):
dynamic.set('book_info_dialog_fit_cover', self.fit_cover.isChecked())
self.resize_cover()
def cover_view_resized(self, event):
QTimer.singleShot(1, self.resize_cover)
def slave(self, current, previous):
row = current.row()
self.refresh(row)
def open_book_path(self, path):
if os.sep in unicode(path):
QDesktopServices.openUrl(QUrl('file:'+path))
else:
format = unicode(path)
path = self.view.model().db.format_abspath(self.current_row, format)
if path is not None:
QDesktopServices.openUrl(QUrl('file:'+path))
def next(self):
row = self.view.currentIndex().row()
ni = self.view.model().index(row+1, 0)
if ni.isValid():
self.view.setCurrentIndex(ni)
def previous(self):
row = self.view.currentIndex().row()
ni = self.view.model().index(row-1, 0)
if ni.isValid():
self.view.setCurrentIndex(ni)
def resize_cover(self):
if self.cover_pixmap is None:
return
self.setWindowIcon(QIcon(self.cover_pixmap))
self.scene = QGraphicsScene()
pixmap = self.cover_pixmap
if self.fit_cover.isChecked():
scaled, new_width, new_height = fit_image(pixmap.width(),
pixmap.height(), self.cover.size().width()-10,
self.cover.size().height()-10)
if scaled:
pixmap = pixmap.scaled(new_width, new_height,
Qt.KeepAspectRatio, Qt.SmoothTransformation)
self.scene.addPixmap(pixmap)
self.cover.setScene(self.scene)
def refresh(self, row):
if isinstance(row, QModelIndex):
row = row.row()
if row == self.current_row:
return
self.previous_button.setEnabled(False if row == 0 else True)
self.next_button.setEnabled(False if row == self.view.model().rowCount(QModelIndex())-1 else True)
self.current_row = row
info = self.view.model().get_book_info(row)
self.setWindowTitle(info[_('Title')])
self.title.setText('<b>'+info.pop(_('Title')))
self.comments.setText('<div>%s</div>' % info.pop(_('Comments'), ''))
cdata = info.pop('cover', '')
self.cover_pixmap = QPixmap.fromImage(cdata)
self.resize_cover()
rows = u''
self.text.setText('')
self.data = info
if _('Path') in info.keys():
p = info[_('Path')]
info[_('Path')] = '<a href="%s">%s</a>'%(p, p)
if _('Formats') in info.keys():
formats = info[_('Formats')].split(',')
info[_('Formats')] = ''
for f in formats:
f = f.strip()
info[_('Formats')] += '<a href="%s">%s</a>, '%(f,f)
for key in info.keys():
txt = info[key]
txt = u'<br />\n'.join(textwrap.wrap(txt, 120))
rows += u'<tr><td><b>%s:</b></td><td>%s</td></tr>'%(key, txt)
self.text.setText(u'<table>'+rows+'</table>')