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from gettext import gettext as _
import locale
from os.path import join
import gi
gi.require_version("Gtk", "2.0")
from gi.repository import Gtk
from gi.repository import GObject
import mate_invest
import currencies
import cPickle
class PrefsDialog:
def __init__(self, applet):
self.ui = Gtk.Builder()
self.ui.add_from_file(join(mate_invest.BUILDER_DATA_DIR, "prefs-dialog.ui"))
self.dialog = self.ui.get_object("preferences")
self.treeview = self.ui.get_object("stocks")
self.currency = self.ui.get_object("currency")
self.currency_code = None
self.currencies = currencies.Currencies.currencies
self.ui.get_object("add").connect('clicked', self.on_add_stock)
self.ui.get_object("add").connect('activate', self.on_add_stock)
self.ui.get_object("remove").connect('clicked', self.on_remove_stock)
self.ui.get_object("remove").connect('activate', self.on_remove_stock)
self.ui.get_object("help").connect('clicked', self.on_help)
self.treeview.connect('key-press-event', self.on_tree_keypress)
self.currency.connect('key-press-event', self.on_entry_keypress)
self.currency.connect('activate', self.on_activate_entry)
self.currency.connect('focus-out-event', self.on_focus_out_entry)
self.typs = (str, str, float, float, float, float)
self.names = (_("Symbol"), _("Label"), _("Amount"), _("Price"), _("Commission"), _("Currency Rate"))
store = Gtk.ListStore(*self.typs)
store.set_sort_column_id(0, Gtk.SortType.ASCENDING)
self.treeview.set_model(store)
self.model = store
completion = Gtk.EntryCompletion()
self.currency.set_completion(completion)
liststore = Gtk.ListStore(GObject.TYPE_STRING, GObject.TYPE_STRING)
completion.set_model(liststore)
completion.set_text_column(0)
for code, label in self.currencies.items():
liststore.append([self.format_currency(label, code), code])
completion.set_match_func(self.match_func, 0)
completion.connect("match-selected", self.on_completion_selection, 1)
if mate_invest.CONFIG.has_key("currency"):
code = mate_invest.CONFIG["currency"];
if self.currencies.has_key(code):
self.currency_code = code;
currency = self.format_currency(self.currencies[self.currency_code], self.currency_code)
self.currency.set_text(currency)
for n in xrange (0, 5):
self.create_cell (self.treeview, n, self.names[n], self.typs[n])
if self.currency_code != None:
self.add_exchange_column()
stock_items = mate_invest.STOCKS.items ()
stock_items.sort ()
for key, data in stock_items:
label = data["label"]
purchases = data["purchases"]
for purchase in purchases:
if purchase.has_key("exchange"):
exchange = purchase["exchange"]
else:
exchange = 0.0
store.append([key, label, float(purchase["amount"]), float(purchase["bought"]), float(purchase["comission"]), float(exchange)])
self.sync_ui()
def on_cell_edited(self, cell, path, new_text, col, typ):
try:
if col == 0: # stock symbols must be uppercase
new_text = str.upper(new_text)
if col < 2:
self.model[path][col] = new_text
else:
value = locale.atof(new_text)
self.model[path][col] = value
except Exception, msg:
mate_invest.error('Exception while processing cell change: %s' % msg)
pass
def format(self, fmt, value):
return locale.format(fmt, value, True)
def get_cell_data(self, column, cell, model, iter, data):
typ, col = data
val = model[iter][col]
if typ == int:
cell.set_property('text', "%d" % typ(val))
elif typ == float:
# provide float numbers with at least 2 fractional digits
digits = self.fraction_digits(val)
fmt = "%%.%df" % max(digits, 2)
cell.set_property('text', self.format(fmt, val))
else:
cell.set_property('text', typ(val))
# determine the number of non zero digits in the fraction of the value
def fraction_digits(self, value):
text = "%g" % value # do not use locale here, so that %g always is rendered to a number with . as decimal separator
if text.find(".") < 0:
return 0
return len(text) - text.find(".") - 1
def create_cell (self, view, column, name, typ):
cell_description = Gtk.CellRendererText ()
if typ == float:
cell_description.set_property("xalign", 1.0)
cell_description.set_property("editable", True)
cell_description.connect("edited", self.on_cell_edited, column, typ)
column_description = Gtk.TreeViewColumn (name, cell_description)
if typ == str:
#column_description.add_attribute (cell_description, column, 0)
column_description.set_sort_column_id(column)
column_description.set_cell_data_func(cell_description, self.get_cell_data, (typ, column))
view.append_column(column_description)
def add_exchange_column(self):
self.create_cell (self.treeview, 5, self.names[5], self.typs[5])
def remove_exchange_column(self):
column = self.treeview.get_column(5)
self.treeview.remove_column(column)
def show_run_hide(self, explanation = ""):
expl = self.ui.get_object("explanation")
expl.set_markup(explanation)
self.dialog.show_all()
if explanation == "":
expl.hide()
# returns 1 if help is clicked
while self.dialog.run() == 1:
pass
self.dialog.destroy()
mate_invest.STOCKS = {}
def save_symbol(model, path, iter, data):
#if int(model[iter][1]) == 0 or float(model[iter][2]) < 0.0001:
# return
if not model[iter][0] in mate_invest.STOCKS:
mate_invest.STOCKS[model[iter][0]] = { 'label': model[iter][1], 'purchases': [] }
mate_invest.STOCKS[model[iter][0]]["purchases"].append({
"amount": float(model[iter][2]),
"bought": float(model[iter][3]),
"comission": float(model[iter][4]),
"exchange": float(model[iter][5])
})
self.model.foreach(save_symbol, None)
try:
cPickle.dump(mate_invest.STOCKS, file(mate_invest.STOCKS_FILE, 'w'))
mate_invest.debug('Stocks written to file')
except Exception, msg:
mate_invest.error('Could not save stocks file: %s' % msg)
mate_invest.CONFIG = {}
if self.currency_code != None and len(self.currency_code) == 3:
mate_invest.CONFIG['currency'] = self.currency_code
try:
cPickle.dump(mate_invest.CONFIG, file(mate_invest.CONFIG_FILE, 'w'))
mate_invest.debug('Configuration written to file')
except Exception, msg:
mate_invest.debug('Could not save configuration file: %s' % msg)
def sync_ui(self):
pass
def on_add_stock(self, w):
iter = self.model.append(["GOOG", "Google Inc.", 0.0, 0.0, 0.0, 0.0])
path = self.model.get_path(iter)
self.treeview.set_cursor(path, self.treeview.get_column(0), True)
def on_remove_stock(self, w):
model, paths = self.treeview.get_selection().get_selected_rows()
for path in paths:
model.remove(model.get_iter(path))
def on_help(self, w):
mate_invest.help.show_help_section("invest-applet-usage")
def on_tree_keypress(self, w, event):
if event.keyval == 65535:
self.on_remove_stock(w)
return False
def format_currency(self, label, code):
if code == None:
return label
return label + " (" + code + ")"
def on_entry_keypress(self, w, event):
# enter key was pressed
if event.keyval == 65293:
self.match_currency()
return False
# entry was activated (Enter)
def on_activate_entry(self, entry):
self.match_currency()
# entry left focus
def on_focus_out_entry(self, w, event):
self.match_currency()
return False
# tries to find a currency for the text in the currency entry
def match_currency(self):
# get the text
text = self.currency.get_text().upper()
# if there is none, finish
if len(text) == 0:
self.currency_code = None
self.pick_currency(None)
return
# if it is a currency code, take that one
if len(text) == 3:
# try to find the string as code
if self.currencies.has_key(text):
self.pick_currency(text)
return
else:
# try to find the code for the string
for code, label in self.currencies.items():
# if the entry equals to the full label,
# or the entry equals to the label+code concat
if label.upper() == text or self.format_currency(label.upper(), code) == text:
# then we take that code
self.pick_currency(code)
return
# the entry is not valid, reuse the old one
self.pick_currency(self.currency_code)
# pick this currency, stores it and sets the entry text
def pick_currency(self, code):
if code == None:
label = ""
if len(self.treeview.get_columns()) == 6:
self.remove_exchange_column()
else:
label = self.currencies[code]
if len(self.treeview.get_columns()) == 5:
self.add_exchange_column()
self.currency.set_text(self.format_currency(label, code))
self.currency_code = code
# finds matches by testing candidate strings to have tokens starting with the entered text's tokens
def match_func(self, completion, key, iter, column):
keys = key.split()
model = completion.get_model()
text = model.get_value(iter, column).lower()
tokens = text.split()
# each key must have a match
for key in keys:
found_key = False
# check any token of the completions start with the key
for token in tokens:
# remove the ( from the currency code
if token.startswith("("):
token = token[1:]
if token.startswith(key):
found_key = True
break
# this key does not have a match, this is not a completion
if not found_key:
return False
# all keys matched, this is a completion
return True
# stores the selected currency code
def on_completion_selection(self, completion, model, iter, column):
self.pick_currency(model.get_value(iter, column))
def show_preferences(applet, explanation = ""):
PrefsDialog(applet).show_run_hide(explanation)
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