Start work on cover grid

src/calibre/gui2/init.py

@@ -15,7 +15,8 @@ from calibre.constants import (isosx, __appname__, preferred_encoding,
     get_version)
 from calibre.gui2 import config, is_widescreen, gprefs
 from calibre.gui2.library.views import BooksView, DeviceBooksView
-from calibre.gui2.widgets import Splitter
+from calibre.gui2.library.alternate_views import GridView
+from calibre.gui2.widgets import Splitter, LayoutButton
 from calibre.gui2.tag_browser.ui import TagBrowserWidget
 from calibre.gui2.book_details import BookDetails
 from calibre.gui2.notify import get_notifier
@@ -116,7 +117,13 @@ class LibraryWidget(Splitter):  # {{{
                 shortcut=_('Shift+Alt+B'))
         parent.library_view = BooksView(parent)
         parent.library_view.setObjectName('library_view')
-        self.addWidget(parent.library_view)
+        stack = QStackedWidget(self)
+        av = parent.library_view.alternate_views
+        av.set_stack(stack)
+        parent.grid_view = GridView(parent)
+        parent.grid_view.setObjectName('grid_view')
+        av.add_view('grid', parent.grid_view)
+        self.addWidget(stack)
 # }}}
 
 class Stack(QStackedWidget):  # {{{
@@ -251,7 +258,7 @@ class LayoutMixin(object):  # {{{
             self.bd_splitter.addWidget(self.book_details)
             self.bd_splitter.setCollapsible(self.bd_splitter.other_index, False)
             self.centralwidget.layout().addWidget(self.bd_splitter)
-            button_order = ('tb', 'bd', 'cb')
+            button_order = ('tb', 'bd', 'cb', 'gv')
         # }}}
         else:  # wide {{{
             self.bd_splitter = Splitter('book_details_splitter',
@@ -266,13 +273,16 @@ class LayoutMixin(object):  # {{{
             self.bd_splitter.setSizePolicy(QSizePolicy(QSizePolicy.Expanding,
                 QSizePolicy.Expanding))
             self.centralwidget.layout().addWidget(self.bd_splitter)
-            button_order = ('tb', 'cb', 'bd')
+            button_order = ('tb', 'cb', 'bd', 'gv')
         # }}}
 
         self.status_bar = StatusBar(self)
         stylename = unicode(self.style().objectName())
+        self.grid_view_button = LayoutButton(I('grid.png'), _('Cover Grid'), parent=self, shortcut=_('Shift+Alt+G'))
+        self.grid_view_button.set_state_to_show()
+
         for x in button_order:
-            button = getattr(self, x+'_splitter').button
+            button = self.grid_view_button if x == 'gv' else getattr(self, x+'_splitter').button
             button.setIconSize(QSize(24, 24))
             if isosx and stylename != u'Calibre':
                 button.setStyleSheet('''

src/calibre/gui2/library/alternate_views.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+# vim:fileencoding=utf-8
+from __future__ import (unicode_literals, division, absolute_import,
+                        print_function)
+
+__license__ = 'GPL v3'
+__copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
+
+from PyQt4.Qt import QListView
+
+class AlternateViews(object):
+
+    def __init__(self, main_view):
+        self.views = {}
+        self.current_view = self.main_view = main_view
+        self.stack = None
+
+    def set_stack(self, stack):
+        self.stack = stack
+        self.stack.addWidget(self.main_view)
+
+    def add_view(self, key, view):
+        self.views[key] = view
+        self.stack.addWidget(view)
+        self.stack.setCurrentIndex(0)
+
+class GridView(QListView):
+    pass
+

src/calibre/gui2/library/views.py

@@ -19,6 +19,7 @@ from calibre.gui2.library.delegates import (RatingDelegate, PubDateDelegate,
     CcBoolDelegate, CcCommentsDelegate, CcDateDelegate, CcTemplateDelegate,
     CcEnumDelegate, CcNumberDelegate, LanguagesDelegate)
 from calibre.gui2.library.models import BooksModel, DeviceBooksModel
+from calibre.gui2.library.alternate_views import AlternateViews
 from calibre.utils.config import tweaks, prefs
 from calibre.gui2 import error_dialog, gprefs
 from calibre.gui2.library import DEFAULT_SORT
@@ -141,6 +142,7 @@ class BooksView(QTableView):  # {{{
         QTableView.__init__(self, parent)
         self.setProperty('highlight_current_item', 150)
         self.row_sizing_done = False
+        self.alternate_views = AlternateViews(self)
 
         if not tweaks['horizontal_scrolling_per_column']:
             self.setHorizontalScrollMode(self.ScrollPerPixel)

src/calibre/gui2/widgets.py

@@ -927,14 +927,15 @@ class SplitterHandle(QSplitterHandle):
 
 class LayoutButton(QToolButton):
 
-    def __init__(self, icon, text, splitter, parent=None, shortcut=None):
+    def __init__(self, icon, text, splitter=None, parent=None, shortcut=None):
         QToolButton.__init__(self, parent)
         self.label = text
         self.setIcon(QIcon(icon))
         self.setCheckable(True)
 
         self.splitter = splitter
-        splitter.state_changed.connect(self.update_state)
+        if splitter is not None:
+            splitter.state_changed.connect(self.update_state)
         self.setCursor(Qt.PointingHandCursor)
         self.shortcut = ''
         if shortcut:
@@ -942,14 +943,13 @@ class LayoutButton(QToolButton):
 
     def set_state_to_show(self, *args):
         self.setChecked(False)
-        label =_('Show')
+        self.setText(_('Show %(label)s [%(shortcut)s]')%dict(label=self.label, shortcut=self.shortcut))
-        self.setText(label + ' ' + self.label + u' (%s)'%self.shortcut)
         self.setToolTip(self.text())
         self.setStatusTip(self.text())
 
     def set_state_to_hide(self, *args):
         self.setChecked(True)
-        self.setText(_('Hide %(label)s %(shortcut)s')%dict(
+        self.setText(_('Hide %(label)s [%(shortcut)s]')%dict(
             label=self.label, shortcut=self.shortcut))
         self.setToolTip(self.text())
         self.setStatusTip(self.text())