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# dleyna-control
#
# Copyright (C) 2012 Intel Corporation. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU Lesser General Public License,
# version 2.1, as published by the Free Software Foundation.
#
# This program is distributed in the hope it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
# for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
#
# Mark Ryan <mark.d.ryan@intel.com>
#
import pygtk
pygtk.require('2.0')
import gtk
import cStringIO
import dateutil.parser
import datetime
from msd_sort_order import *
from msd_upnp import *
class SearchModel(gtk.GenericTreeModel):
columns = (("DisplayName", str), ("Artist", str), ("Date", str),
("Type",str), ("Path", str), ("URLs", str))
filter = ["Artist", "DisplayName", "URLs", "Date", "Path",
"Type"]
buffer_size = 50
@staticmethod
def __create_query_string(query, images, videos, music):
search_string = None
if images or videos or music:
q_buffer = cStringIO.StringIO()
try:
if query != "":
q_buffer.write('(Artist contains "{0}"\
or DisplayName contains "{0}")'.format(query))
q_buffer.write(' and ')
q_buffer.write(' ( ')
if images:
q_buffer.write('Type derivedfrom "image" ')
if videos:
if images:
q_buffer.write(' or ')
q_buffer.write('Type derivedfrom "video" ')
if music:
if images or videos:
q_buffer.write(' or ')
q_buffer.write('Type derivedfrom "audio" ')
q_buffer.write(' ) and ( RefPath exists false )')
search_string = q_buffer.getvalue()
finally:
q_buffer.close()
return search_string
def __get_search_items(self, start, count):
if self.__items:
end = start
while (end < start + SearchModel.buffer_size and
end < self.__max_items and not self.__items[end]):
end = end + 1
else:
end = count
if start < end:
count = end - start
try:
sort_descriptor = self.__sort_order.get_upnp_sort_order()
items, max_items = self.__root.search(self.__search_string,
start, count,
SearchModel.filter,
sort_descriptor)
max_items = max(max_items, len(items))
# TODO: I need to inform list view if max item has changed?
if max_items != self.__max_items:
self.__max_items = max_items
self.__items = [None] * self.__max_items
for item in items:
self.__items[start] = item
start = start + 1
except Exception:
pass
def __init__(self, root, query, images, videos, music, sort_order):
gtk.GenericTreeModel.__init__(self)
self.__items = None
self.__max_items = 0
self.__root = root
self.__sort_order = sort_order
self.__search_string = SearchModel.__create_query_string(query, images,
videos, music)
if self.__search_string:
self.__get_search_items(0, SearchModel.buffer_size)
def flush(self):
i = 0
while i < self.__max_items:
self.__items[i] = None
i = i + 1
def on_get_flags(self):
return gtk.TREE_MODEL_LIST_ONLY | gtk.TREE_MODEL_ITERS_PERSIST
def on_get_n_columns(self):
return len(SearchModel.columns)
def on_get_column_type(self, n):
return SearchModel.columns[n][1]
def on_get_iter(self, path):
if path[0] >= self.__max_items:
raise ValueError("Invalid Path")
return path[0]
def on_get_path(self, rowref):
return (rowref, )
def on_get_value(self, rowref, col):
retval = None
self.__get_search_items(rowref, SearchModel.buffer_size)
if rowref < self.__max_items and self.__items and self.__items[rowref]:
key = SearchModel.columns[col][0]
if key in self.__items[rowref]:
data = self.__items[rowref][key]
if col == 2:
date = dateutil.parser.parse(data)
retval = date.strftime("%x")
elif col == 3:
data = data[0].upper() + data[1:]
period = data.find('.')
if period >=0:
retval = data[:period]
else:
retval = data
elif col == 5:
retval = data[0]
else:
retval = data
elif col == 1:
retval = "Unknown"
elif col == 2:
retval = datetime.date.today().strftime("%x")
else:
retval = ""
else:
retval = ""
return retval
def on_iter_next(self, rowref):
retval = None
rowref = rowref + 1
if rowref < self.__max_items:
retval = rowref
return retval
def on_iter_children(self, rowref):
retval = 0
if rowref:
retval = None
return retval
def on_iter_has_child(self, rowref):
return False
def on_iter_n_children(self, rowref):
retval = 0
if not rowref:
retval = self.__max_items
return retval
def on_iter_nth_child(self, rowref, child):
retval = None
if not rowref and child < self.__max_items:
retval = child
return retval
def on_iter_parent(self, child):
return None
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