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Implement #777001 (Add Preview ePub button to Tweak ePub dialog)

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This commit is contained in:
Kovid Goyal 2011-05-04 13:13:38 -06:00
parent 1400f54107
commit fe90a1b04f
2 changed files with 66 additions and 29 deletions
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38
src/calibre/gui2/dialogs/tweak_epub.py
View File

@ -7,16 +7,16 @@ __copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
import os, shutil
from contextlib import closing
from zipfile import ZipFile, ZIP_DEFLATED, ZIP_STORED
from PyQt4.Qt import QDialog
from calibre.constants import isosx
from calibre.gui2 import open_local_file
from calibre.gui2 import open_local_file, error_dialog
from calibre.gui2.dialogs.tweak_epub_ui import Ui_Dialog
from calibre.libunzip import extract as zipextract
from calibre.ptempfile import PersistentTemporaryDirectory
from calibre.ptempfile import (PersistentTemporaryDirectory,
PersistentTemporaryFile)
class TweakEpub(QDialog, Ui_Dialog):
'''
@ -37,11 +37,15 @@ class TweakEpub(QDialog, Ui_Dialog):
self.cancel_button.clicked.connect(self.reject)
self.explode_button.clicked.connect(self.explode)
self.rebuild_button.clicked.connect(self.rebuild)
self.preview_button.clicked.connect(self.preview)
# Position update dialog overlaying top left of app window
parent_loc = parent.pos()
self.move(parent_loc.x(),parent_loc.y())
self.gui = parent
self._preview_files = []
def cleanup(self):
if isosx:
try:
@ -55,6 +59,11 @@ class TweakEpub(QDialog, Ui_Dialog):
# Delete directory containing exploded ePub
if self._exploded is not None:
shutil.rmtree(self._exploded, ignore_errors=True)
for x in self._preview_files:
try:
os.remove(x)
except:
pass
def display_exploded(self):
'''
@ -71,9 +80,8 @@ class TweakEpub(QDialog, Ui_Dialog):
self.rebuild_button.setEnabled(True)
self.explode_button.setEnabled(False)
def rebuild(self, *args):
self._output = os.path.join(self._exploded, 'rebuilt.epub')
with closing(ZipFile(self._output, 'w', compression=ZIP_DEFLATED)) as zf:
def do_rebuild(self, src):
with ZipFile(src, 'w', compression=ZIP_DEFLATED) as zf:
# Write mimetype
zf.write(os.path.join(self._exploded,'mimetype'), 'mimetype', compress_type=ZIP_STORED)
# Write everything else
@ -86,5 +94,23 @@ class TweakEpub(QDialog, Ui_Dialog):
zfn = os.path.relpath(absfn,
self._exploded).replace(os.sep, '/')
zf.write(absfn, zfn)
def preview(self):
if not self._exploded:
return error_dialog(self, _('Cannot preview'),
_('You must first explode the epub before previewing.'),
show=True)
tf = PersistentTemporaryFile('.epub')
tf.close()
self._preview_files.append(tf.name)
self.do_rebuild(tf.name)
self.gui.iactions['View']._view_file(tf.name)
def rebuild(self, *args):
self._output = os.path.join(self._exploded, 'rebuilt.epub')
self.do_rebuild(self._output)
return QDialog.accept(self)

57
src/calibre/gui2/dialogs/tweak_epub.ui
View File

@ -23,6 +23,16 @@
<bool>false</bool>
</property>
<layout class="QGridLayout" name="gridLayout">
<item row="0" column="0" colspan="2">
<widget class="QLabel" name="label">
<property name="text">
<string>&lt;p&gt;Explode the ePub to display contents in a file browser window. To tweak individual files, right-click, then 'Open with...' your editor of choice. When tweaks are complete, close the file browser window &lt;b&gt;and the editor windows you used to edit files in the epub&lt;/b&gt;.&lt;/p&gt;&lt;p&gt;Rebuild the ePub, updating your calibre library.&lt;/p&gt;</string>
</property>
<property name="wordWrap">
<bool>true</bool>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QPushButton" name="explode_button">
<property name="statusTip">
@ -37,23 +47,6 @@
</property>
</widget>
</item>
<item row="2" column="0">
<widget class="QPushButton" name="rebuild_button">
<property name="enabled">
<bool>false</bool>
</property>
<property name="statusTip">
<string>Rebuild ePub from exploded contents</string>
</property>
<property name="text">
<string>&amp;Rebuild ePub</string>
</property>
<property name="icon">
<iconset resource="../../../../resources/images.qrc">
<normaloff>:/images/exec.png</normaloff>:/images/exec.png</iconset>
</property>
</widget>
</item>
<item row="3" column="0">
<widget class="QPushButton" name="cancel_button">
<property name="statusTip">
@ -68,13 +61,31 @@
</property>
</widget>
</item>
<item row="0" column="0">
<widget class="QLabel" name="label">
<property name="text">
<string>&lt;p&gt;Explode the ePub to display contents in a file browser window. To tweak individual files, right-click, then 'Open with...' your editor of choice. When tweaks are complete, close the file browser window &lt;b&gt;and the editor windows you used to edit files in the epub&lt;/b&gt;.&lt;/p&gt;&lt;p&gt;Rebuild the ePub, updating your calibre library.&lt;/p&gt;</string>
<item row="3" column="1">
<widget class="QPushButton" name="rebuild_button">
<property name="enabled">
<bool>false</bool>
</property>
<property name="wordWrap">
<bool>true</bool>
<property name="statusTip">
<string>Rebuild ePub from exploded contents</string>
</property>
<property name="text">
<string>&amp;Rebuild ePub</string>
</property>
<property name="icon">
<iconset resource="../../../../resources/images.qrc">
<normaloff>:/images/exec.png</normaloff>:/images/exec.png</iconset>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QPushButton" name="preview_button">
<property name="text">
<string>&amp;Preview ePub</string>
</property>
<property name="icon">
<iconset resource="../../../../resources/images.qrc">
<normaloff>:/images/view.png</normaloff>:/images/view.png</iconset>
</property>
</widget>
</item>