Author: dmeyer
Date: Thu Dec 27 15:09:04 2007
New Revision: 10242
Log:
add calendar view for images
Added:
trunk/ui/src/image/plugins/calendar.py
trunk/ui/src/image/plugins/config.cxml
Added: trunk/ui/src/image/plugins/calendar.py
==============================================================================
--- (empty file)
+++ trunk/ui/src/image/plugins/calendar.py Thu Dec 27 15:09:04 2007
@@ -0,0 +1,164 @@
+# -*- coding: iso-8859-1 -*-
+# -----------------------------------------------------------------------------
+# calendar.py - Show images by date
+# -----------------------------------------------------------------------------
+# $Id$
+#
+# This plugin let the user browse the images by date. It does not look so nice
+# on the GUI right now but shows the power of beacon.
+#
+# -----------------------------------------------------------------------------
+# Freevo - A Home Theater PC framework
+# Copyright (C) 2007 Dirk Meyer, et al.
+#
+# First Edition: Dirk Meyer <[EMAIL PROTECTED]>
+# Maintainer: Dirk Meyer <[EMAIL PROTECTED]>
+#
+# Please see the file AUTHORS for a complete list of authors.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of MER-
+# CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# -----------------------------------------------------------------------------
+
+# python imports
+import time
+
+# kaa imports
+import kaa.notifier
+import kaa.beacon
+
+# freevo imports
+from freevo.ui.menu import Item, Menu
+from freevo.ui.mainmenu import MainMenuPlugin
+from freevo.ui.playlist import Playlist
+
+
+class BeaconQueryItem(Item):
+ """
+ Base item for all items in this plugin.
+ """
+
+ media_type = 'image'
+
+ def __init__(self, name, parent, sample=None):
+ Item.__init__(self, parent)
+ self.name = name
+ if sample:
+ self.info['thumbnail'] = sample.get('thumbnail')
+
+
+ def _query(self, start, stop, **query):
+ """
+ Query beacon for images between start and stop dates
+ """
+ s1 = time.mktime((start[0], start[1], start[2], 0, 0, 0, -1, -1, -1))
+ s2 = time.mktime((stop[0], stop[1], stop[2], 23, 59, 59, -1, -1, -1))
+ q = kaa.beacon.QExpr('range', (s1, s2))
+ return kaa.beacon.query(timestamp=q, type='image', **query)
+
+
+ @kaa.notifier.yield_execution()
+ def select(self):
+ """
+ Select the item and generate a new menu.
+ """
+ all = []
+ for start, stop in self.query[0]:
+ result = self._query(start, stop, limit=1)
+ yield result.wait()
+ if len(result) == 1:
+ all.append((start[self.query[1]], result[0]))
+ items = self.get_items(all)
+ if isinstance(items, kaa.notifier.InProgress):
+ yield items
+ items = items.get_result()
+ menu = Menu(self.name, items, type='image')
+ menu.autoselect = True
+ self.get_menustack().pushmenu(menu)
+
+
+class MonthItem(BeaconQueryItem):
+ """
+ Item for one month.
+ """
+ def __init__(self, year, month, sample, parent):
+ name = _('%s-%s') % (year, month)
+ BeaconQueryItem.__init__(self, name, parent, sample)
+ self.query = [ ((year, month, x), (year, month, x)) \
+ for x in range(1, 32) ], 2
+ self._year = year
+ self._month = month
+
+
+ @kaa.notifier.yield_execution()
+ def get_items(self, result):
+ """
+ Return days as Playlist items
+ """
+ items = []
+ for day, sample in result:
+ result = self._query((self._year, self._month, day),
+ (self._year, self._month, day))
+ yield result.wait()
+ p = Playlist(_('%s-%s-%s') % (self._year, self._month, day),
+ playlist=result, parent=self, type='image')
+ p.info['thumbnail'] = result[0].get('thumbnail')
+ items.append(p)
+ yield items
+
+
+class YearItem(BeaconQueryItem):
+ """
+ Item for one year.
+ """
+ def __init__(self, year, sample, parent):
+ BeaconQueryItem.__init__(self, unicode(year), parent, sample)
+ self.query = [ ((year, x, 1), (year, x, 31)) for x in range(1, 13) ], 1
+ self._year = year
+
+
+ def get_items(self, result):
+ """
+ Return months as MonthItem items.
+ """
+ return [ MonthItem(self._year, month, sample, self) \
+ for month, sample in result ]
+
+
+class CalendarItem(BeaconQueryItem):
+ """
+ Item for the whole calendar.
+ """
+ def __init__(self, parent):
+ BeaconQueryItem.__init__(self, _('Calendar'), parent)
+ self.query = [ ((x, 1, 1), (x,12,31)) for x in range(1970, 2037) ], 0
+
+
+ def get_items(self, result):
+ """
+ Return years as YearItem items.
+ """
+ return [ YearItem(year, sample, self) for year, sample in result ]
+
+
+class PluginInterface(MainMenuPlugin):
+ """
+ Calendar view plugin.
+ """
+ def items(self, parent):
+ """
+ Return the main menu item.
+ """
+ return [ CalendarItem(parent) ]
Added: trunk/ui/src/image/plugins/config.cxml
==============================================================================
--- (empty file)
+++ trunk/ui/src/image/plugins/config.cxml Thu Dec 27 15:09:04 2007
@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<config name="image.plugin">
+ <desc lang="en">image plugins</desc>
+ <group name="calendar" plugin="10">
+ <desc>Show image files by date</desc>
+ </group>
+</config>
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