Cutlery/calibre
1
0
Fork 0
mirror of https://github.com/kovidgoyal/calibre.git synced 2025-06-23 15:30:45 -04:00
Code Issues Packages Projects Releases Wiki Activity

ToC Editor: Allow creating toc from arbitrary xpath expressions

Browse Source
This commit is contained in:
Kovid Goyal 2013-03-20 17:51:27 +05:30
parent 1f93448791
commit 6f7d6cf4ea
1 changed files with 63 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
src/calibre/gui2/toc/main.py
View File

@ -22,10 +22,52 @@ from calibre.ebooks.oeb.polish.toc import (
from calibre.gui2 import Application, error_dialog, gprefs
from calibre.gui2.progress_indicator import ProgressIndicator
from calibre.gui2.toc.location import ItemEdit
from calibre.gui2.convert.xpath_wizard import XPathEdit
from calibre.utils.logging import GUILog
ICON_SIZE = 24
class XPathDialog(QDialog): # {{{
def __init__(self, parent):
QDialog.__init__(self, parent)
self.setWindowTitle(_('Create ToC from XPath'))
self.l = l = QVBoxLayout()
self.setLayout(l)
self.la = la = QLabel(_(
'Specify a series of XPath expressions for the different levels of'
' the Table of Contents. You can use the wizard buttons to help'
' you create XPath expressions.'))
la.setWordWrap(True)
l.addWidget(la)
self.widgets = []
for i in xrange(5):
la = _('Level %s ToC:')%('&%d'%(i+1))
xp = XPathEdit(self)
xp.set_msg(la)
self.widgets.append(xp)
l.addWidget(xp)
self.bb = bb = QDialogButtonBox(QDialogButtonBox.Ok|QDialogButtonBox.Cancel)
bb.accepted.connect(self.accept)
bb.rejected.connect(self.reject)
l.addStretch()
l.addWidget(bb)
self.resize(self.sizeHint() + QSize(50, 75))
def accept(self):
for w in self.widgets:
if not w.check():
return error_dialog(self, _('Invalid XPath'),
_('The XPath expression %s is not valid.')%w.xpath,
show=True)
super(XPathDialog, self).accept()
@property
def xpaths(self):
return [w.xpath for w in self.widgets if w.xpath.strip()]
# }}}
class ItemView(QFrame): # {{{
add_new_item = pyqtSignal(object, object)
@ -90,6 +132,14 @@ class ItemView(QFrame): # {{{
)))
l.addWidget(b)
self.xpb = b = QPushButton(_('Generate ToC from &XPath'))
b.clicked.connect(self.create_from_user_xpath)
b.setToolTip(textwrap.fill(_(
'Generate a Table of Contents from arbitrary XPath expressions.'
)))
l.addWidget(b)
l.addStretch()
self.w1 = la = QLabel(_('<b>WARNING:</b> calibre only supports the '
'creation of linear ToCs in AZW3 files. In a '
@ -151,18 +201,20 @@ class ItemView(QFrame): # {{{
ip.b5 = b = QPushButton(QIcon(I('plus.png')), _('New entry &below this entry'))
b.clicked.connect(partial(self.add_new, 'after'))
l.addWidget(b, l.rowCount(), 0, 1, 2)
ip.hl4 = hl = QFrame()
hl.setFrameShape(hl.HLine)
l.addWidget(hl, l.rowCount(), 0, 1, 2)
l.setRowMinimumHeight(rs, 20)
# Flatten entry
rs = l.rowCount()
ip.b3 = b = QPushButton(QIcon(I('heuristics.png')), _('&Flatten this entry'))
b.clicked.connect(self.flatten_item)
b.setToolTip(_('All children of this entry are brought to the same '
'level as this entry.'))
l.addWidget(b, l.rowCount()+1, 0, 1, 2)
ip.hl4 = hl = QFrame()
hl.setFrameShape(hl.HLine)
l.addWidget(hl, l.rowCount(), 0, 1, 2)
l.setRowMinimumHeight(rs, 20)
# Return to welcome
rs = l.rowCount()
ip.b4 = b = QPushButton(QIcon(I('back.png')), _('&Return to welcome screen'))
b.clicked.connect(self.go_to_root)
b.setToolTip(_('Go back to the top level view'))
@ -183,6 +235,11 @@ class ItemView(QFrame): # {{{
def create_from_all_headings(self):
self.create_from_xpath.emit(['//h:h%d'%i for i in xrange(1, 7)])
def create_from_user_xpath(self):
d = XPathDialog(self)
if d.exec_() == d.Accepted and d.xpaths:
self.create_from_xpath.emit(d.xpaths)
def hide_azw3_warning(self):
self.w1.setVisible(False), self.w2.setVisible(False)