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UI to edit templates used for cover generation

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This commit is contained in:
Kovid Goyal 2014-09-22 20:48:35 +05:30
parent cc38a40fae
commit d875710f01
1 changed files with 62 additions and 4 deletions
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66
src/calibre/gui2/covers.py
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@ -7,12 +7,13 @@ __license__ = 'GPL v3'
__copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'
from collections import OrderedDict
from functools import partial
from PyQt5.Qt import (
QWidget, QHBoxLayout, QTabWidget, QLabel, QSizePolicy, QSize, QFormLayout,
QSpinBox, pyqtSignal, QPixmap, QDialog, QVBoxLayout, QDialogButtonBox,
QListWidget, QListWidgetItem, Qt, QGridLayout, QPushButton, QIcon,
QColorDialog, QToolButton, QLineEdit, QColor)
QColorDialog, QToolButton, QLineEdit, QColor, QFrame)
from calibre.ebooks.covers import all_styles, cprefs, generate_cover, override_prefs, default_color_themes
from calibre.gui2 import gprefs, error_dialog
@ -219,6 +220,44 @@ class CoverSettingsWidget(QWidget):
fs.valueChanged.connect(self.emit_changed)
l.addRow(size_label, fs)
self.templates_page = tp = QWidget(st)
st.addTab(tp, _('Text'))
tp.l = l = QVBoxLayout()
tp.setLayout(l)
tp.la = la = QLabel(_(
'The text on the generated cover is taken from the metadata of the book.'
' This is controlled via templates. You can use the <b>, <i> and <br> tags'
' in the templates for bold, italic and line breaks, respectively. The'
' default templates use the title, series and authors. You can change them to use'
' whatever metadata you like.'))
la.setWordWrap(True), la.setTextFormat(Qt.PlainText)
l.addWidget(la)
def create_template_widget(title, which, button):
attr = which + '_template'
heading = QLabel('<h2>' + title)
setattr(tp, attr + '_heading', heading)
l.addWidget(heading)
la = QLabel(prefs[attr])
setattr(self, attr, la)
l.addWidget(la), la.setTextFormat(Qt.PlainText), la.setStyleSheet('QLabel {font-family: monospace}')
la.setWordWrap(True)
b = QPushButton(button)
b.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
b.clicked.connect(partial(self.change_template, which))
setattr(self, attr + '_button', b)
l.addWidget(b)
if which != 'footer':
f = QFrame(tp)
setattr(tp, attr + '_sep', f), f.setFrameShape(QFrame.HLine)
l.addWidget(f)
l.addSpacing(10)
create_template_widget(_('The title template'), 'title', _('Change the &title template'))
create_template_widget(_('The sub-title template'), 'subtitle', _('Change the &sub-title template'))
create_template_widget(_('The footer template'), 'footer', _('Change the &footer template'))
l.addStretch(2)
self.apply_prefs(prefs)
self.changed.connect(self.update_preview)
self.styles_list.itemSelectionChanged.connect(self.update_preview)
@ -283,9 +322,12 @@ class CoverSettingsWidget(QWidget):
prefs[attr] = getattr(self, attr).font_family
attr = '%s_font_size' % x
prefs[attr] = getattr(self, attr).value()
prefs['color_themes'] = self.custom_colors
prefs['disabled_styles'] = list(self.disabled_styles)
prefs['disabled_colors'] = list(self.disabled_colors)
prefs['color_themes'] = self.custom_colors
prefs['disabled_styles'] = list(self.disabled_styles)
prefs['disabled_colors'] = list(self.disabled_colors)
for x in ('title', 'subtitle', 'footer'):
x += '_template'
prefs[x] = getattr(self, x).text()
return prefs
def insert_scheme(self, name, li):
@ -343,6 +385,22 @@ class CoverSettingsWidget(QWidget):
self.emit_changed()
return
def change_template(self, which):
from calibre.gui2.dialogs.template_dialog import TemplateDialog
from calibre.gui2.ui import get_gui
gui = get_gui()
if gui is None:
from calibre.ebooks.metadata.book.base import field_metadata
else:
field_metadata = gui.current_db.new_api.field_metadata
attr = which + '_template'
templ = getattr(self, attr).text()
d = TemplateDialog(self, templ, mi=self.mi, fm=field_metadata)
if d.exec_() == d.Accepted:
templ = d.rule[1]
getattr(self, attr).setText(templ)
self.emit_changed()
def update_preview(self):
if self.ignore_changed:
return