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# searchscreen.py
#
# Copyright (C) 2013 Matthew Rahing
#
# 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 MERCHANTABILITY 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., 51 Franklin
# St, Fifth Floor, Boston, MA 02110-1301 USA
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GdkPixbuf
import os
import openweathermap
import logging
from gettext import gettext as _
SCREEN_WIDTH = Gdk.Screen.width()
SCREEN_HEIGHT = Gdk.Screen.height()
_logger = logging.getLogger('weather-activity')
class SearchTreeView(Gtk.TreeView):
def __init__(self, activity):
Gtk.TreeView.__init__(self)
self.activity = activity
self.liststore = Gtk.ListStore(object)
self.set_grid_lines(Gtk.TreeViewGridLines.HORIZONTAL)
renderer_pixbuf = Gtk.CellRendererPixbuf()
renderer_text = Gtk.CellRendererText()
renderer_text.set_property('height', SCREEN_HEIGHT / 10)
column = Gtk.TreeViewColumn('', renderer_pixbuf)
column.set_cell_data_func(renderer_pixbuf, self.load_pixbuf)
column.set_min_width(SCREEN_WIDTH / 9)
column.set_max_width(SCREEN_WIDTH / 9)
self.append_column(column)
column = Gtk.TreeViewColumn('', renderer_text)
column.set_cell_data_func(renderer_text, self.load_info)
column.set_min_width(SCREEN_WIDTH / 2.6)
column.set_max_width(SCREEN_WIDTH / 2.6)
self.append_column(column)
column = Gtk.TreeViewColumn(_('Wind'), renderer_text)
column.set_cell_data_func(renderer_text, self.load_wind)
column.set_min_width(SCREEN_WIDTH / 8)
column.set_max_width(SCREEN_WIDTH / 8)
self.append_column(column)
column = Gtk.TreeViewColumn(_('Clouds'), renderer_text)
column.set_cell_data_func(renderer_text, self.load_clouds)
column.set_min_width(SCREEN_WIDTH / 9)
column.set_max_width(SCREEN_WIDTH / 9)
self.append_column(column)
column = Gtk.TreeViewColumn(_('Pressure'), renderer_text)
column.set_cell_data_func(renderer_text, self.load_pressure)
column.set_min_width(SCREEN_WIDTH / 7)
column.set_max_width(SCREEN_WIDTH / 7)
self.append_column(column)
column = Gtk.TreeViewColumn(_('Humidity'), renderer_text)
column.set_cell_data_func(renderer_text, self.load_humidity)
self.append_column(column)
self.set_model(self.liststore)
selection = self.get_selection()
selection.connect('changed', self.treeview_changed)
self.show()
def load_pixbuf(self, column, cell_renderer, model, iter, data):
city = model.get_value(iter, 0)
file_name = 'icons/%s.svg' % (city.icon[:3])
pixbuf = GdkPixbuf.Pixbuf.new_from_file(file_name)
cell_renderer.set_property('pixbuf', pixbuf)
def load_info(self, column, cell_renderer, model, iter, data):
city = model.get_value(iter, 0)
name = '%s, %s' % (city.name, city.country)
temp = self.activity.convert(city.temp)
temp_max = self.activity.convert(city.temp_max)
temp_min = self.activity.convert(city.temp_min)
info = '<b>%s</b> %s\n<span foreground="white" background="#5FACE0" \
> %s%s </span> Temp from %s%s to %s%s' % (name, city.weather,
temp, self.activity.temp_scale,
temp_min, self.activity.temp_scale,
temp_max, self.activity.temp_scale)
cell_renderer.set_property('markup', info)
def load_wind(self, column, cell_renderer, model, iter, data):
cell_renderer.set_property('text', '')
city = model.get_value(iter, 0)
if city.wind_speed != None:
wind = '\n%s %s' % (city.wind_speed, self.activity.wind_scale)
cell_renderer.set_property('text', wind)
def load_clouds(self, column, cell_renderer, model, iter, data):
cell_renderer.set_property('text', '')
city = model.get_value(iter, 0)
if city.clouds != None:
clouds = '\n %s %s' % (int(city.clouds),
self.activity.cloud_scale)
cell_renderer.set_property('text', clouds)
def load_pressure(self, column, cell_renderer, model, iter, data):
cell_renderer.set_property('text', '')
city = model.get_value(iter, 0)
if city.pressure != None:
pressure = '\n%s %s' % (city.pressure,
self.activity.pressure_scale)
cell_renderer.set_property('text', pressure)
def load_humidity(self, column, cell_renderer, model, iter, data):
cell_renderer.set_property('text', '')
city = model.get_value(iter, 0)
if city.humidity != None:
humidity = '\n %s %s' % (int(city.humidity),
self.activity.humidity_scale)
cell_renderer.set_property('text', humidity)
def treeview_changed(self, selection):
model, treeiter = selection.get_selected()
if treeiter != None:
self.activity.select_city(model[treeiter][0])
def update(self, results):
self.set_model(None)
self.liststore.clear()
for city in results:
self.liststore.append([city])
self.set_model(self.liststore)
class SearchScreen(Gtk.Box):
def __init__(self, activity):
Gtk.Box.__init__(self)
self.activity = activity
self.search_results = []
self.search_treeview = SearchTreeView(self.activity)
self.scroll = Gtk.ScrolledWindow()
self.scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
self.scroll.add(self.search_treeview)
self.scroll.show()
self.set_orientation(Gtk.Orientation.VERTICAL)
self.pack_start(self.scroll, expand=True, fill=True, padding=0)
self.show()
def search(self):
_logger.debug('searching: %s' % (self.activity.input))
source = 'find?q=%s&type=like&mode=json' % (self.activity.input)
dest = os.path.join(self.activity.get_activity_root(),
'tmp', '', 'search.json')
self.activity.add_download(source, dest)
def download_complete(self, downloader, file_path, file_name):
self.search_results = []
for result in self.activity.read_file(file_path)['list']:
self.search_results.append(openweathermap.City(result))
self.activity.back_button.set_sensitive(False)
self.activity.forecast_button.set_sensitive(False)
self.activity.set_canvas(self)
def refresh(self):
self.activity.search_entry.set_text(self.activity.input)
self.search()
def display_results(self):
self.search_treeview.update(self.search_results)
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