#!/usr/bin/env python


__license__   = 'GPL v3'
__copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'

from calibre.gui2 import error_dialog
from calibre.gui2.actions import InterfaceAction


class EditCollectionsAction(InterfaceAction):

    name = 'Edit Collections'
    action_spec = (_('Manage collections'), None,
            _('Manage the collections on this device'), ())
    dont_add_to = frozenset(('menubar', 'toolbar', 'context-menu', 'toolbar-child'))
    action_type = 'current'

    def genesis(self):
        self.qaction.triggered.connect(self.edit_collections)

    def location_selected(self, loc):
        enabled = loc != 'library'
        self.qaction.setEnabled(enabled)
        self.menuless_qaction.setEnabled(enabled)

    def edit_collections(self, *args):
        oncard = None
        cv = self.gui.current_view()
        if cv is self.gui.library_view:
            return error_dialog(self.gui, _('In library view'), _(
                'Collections can only be edited when showing the books on the device. Click the toolbar button to switch to the device view first.'), show=True)
        if cv is self.gui.card_a_view:
            oncard = 'carda'
        elif cv is self.gui.card_b_view:
            oncard = 'cardb'
        self.gui.iactions['Edit Metadata'].edit_device_collections(cv,
                oncard=oncard)
