Add Open Book action

src/calibre/gui2/tweak_book/boss.py

@@ -10,7 +10,7 @@ import tempfile, shutil
 
 from PyQt4.Qt import QObject
 
-from calibre.gui2 import error_dialog
+from calibre.gui2 import error_dialog, choose_files
 from calibre.ptempfile import PersistentTemporaryDirectory
 from calibre.ebooks.oeb.polish.main import SUPPORTED
 from calibre.ebooks.oeb.polish.container import get_container, clone_container
@@ -37,7 +37,17 @@ class Boss(QObject):
         # TODO: Implement this
         return True
 
-    def open_book(self, path):
+    def open_book(self, path=None):
+        if not self.check_dirtied():
+            return
+
+        if not hasattr(path, 'rpartition'):
+            path = choose_files(self.gui, 'open-book-for-tweaking', _('Choose book'),
+                                [(_('Books'), [x.lower() for x in SUPPORTED])], all_files=False, select_only_single_file=True)
+            if not path:
+                return
+            path = path[0]
+
         ext = path.rpartition('.')[-1].upper()
         if ext not in SUPPORTED:
             return error_dialog(self.gui, _('Unsupported format'),
@@ -45,9 +55,6 @@ class Boss(QObject):
                   ' Convert your book to one of these formats first.') % _(' and ').join(sorted(SUPPORTED)),
                 show=True)
 
-        if not self.check_dirtied():
-            return
-
         self.container_count = -1
         if self.tdir:
             shutil.rmtree(self.tdir, ignore_errors=True)

src/calibre/gui2/tweak_book/ui.py

@@ -6,13 +6,14 @@ from __future__ import (unicode_literals, division, absolute_import,
 __license__ = 'GPL v3'
 __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
 
-from PyQt4.Qt import QDockWidget, Qt, QLabel, QIcon
+from PyQt4.Qt import QDockWidget, Qt, QLabel, QIcon, QAction
 
 from calibre.gui2.main_window import MainWindow
 from calibre.gui2.tweak_book import current_container
 from calibre.gui2.tweak_book.file_list import FileListWidget
 from calibre.gui2.tweak_book.job import BlockingJob
 from calibre.gui2.tweak_book.boss import Boss
+from calibre.gui2.keyboard import Manager as KeyboardManager
 
 class Main(MainWindow):
 
@@ -28,12 +29,11 @@ class Main(MainWindow):
         self.container = None
         self.current_metadata = None
         self.blocking_job = BlockingJob(self)
+        self.keyboard = KeyboardManager(parent=self, config_name='shortcuts/tweak')
 
-        self.file_list_dock = d = QDockWidget(_('&Files Browser'), self)
-        d.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
-        self.file_list = FileListWidget(d)
-        d.setWidget(self.file_list)
-        self.addDockWidget(Qt.LeftDockWidgetArea, d)
+        self.create_actions()
+        self.create_menubar()
+        self.create_docks()
 
         self.status_bar = self.statusBar()
         self.l = QLabel('Placeholder')
@@ -41,6 +41,35 @@ class Main(MainWindow):
         self.setCentralWidget(self.l)
         self.boss(self)
 
+        self.keyboard.finalize()
+
+    def create_actions(self):
+        group = _('Global Actions')
+
+        def reg(icon, text, target, sid, keys, description):
+            ac = QAction(QIcon(I(icon)), text, self)
+            ac.triggered.connect(target)
+            if isinstance(keys, type('')):
+                keys = (keys,)
+            self.keyboard.register_shortcut(
+                sid, unicode(ac.text()), default_keys=keys, description=description, action=ac, group=group)
+            self.addAction(ac)
+            return ac
+
+        self.action_open_book = reg('document_open.png', _('Open &book'), self.boss.open_book, 'open-book', 'Ctrl+O', _('Open a new book'))
+
+    def create_menubar(self):
+        b = self.menuBar()
+        f = b.addMenu(_('&File'))
+        f.addAction(self.action_open_book)
+
+    def create_docks(self):
+        self.file_list_dock = d = QDockWidget(_('&Files Browser'), self)
+        d.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
+        self.file_list = FileListWidget(d)
+        d.setWidget(self.file_list)
+        self.addDockWidget(Qt.LeftDockWidgetArea, d)
+
     def resizeEvent(self, ev):
         self.blocking_job.resize(ev.size())
         return super(Main, self).resizeEvent(ev)