electrum-bitcoinprivate/gui/kivy/uix/dialogs/fx_dialog.py

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from kivy.app import App
from kivy.factory import Factory
from kivy.properties import ObjectProperty
from kivy.lang import Builder
Builder.load_string('''
<FxDialog@Popup>
id: popup
title: 'Fiat Currency'
size_hint: 0.8, 0.8
pos_hint: {'top':0.9}
BoxLayout:
orientation: 'vertical'
BoxLayout:
orientation: 'horizontal'
size_hint: 1, 0.1
Label:
text: _('Enable')
height: '48dp'
CheckBox:
height: '48dp'
id: enabled
on_active: popup.on_active(self.active)
Widget:
size_hint: 1, 0.1
BoxLayout:
orientation: 'horizontal'
size_hint: 1, 0.1
Label:
text: _('Source')
height: '48dp'
Spinner:
height: '48dp'
id: exchanges
on_text: popup.on_exchange(self.text)
Widget:
size_hint: 1, 0.1
BoxLayout:
orientation: 'horizontal'
size_hint: 1, 0.1
Label:
text: _('Currency')
height: '48dp'
Spinner:
height: '48dp'
id: ccy
on_text: popup.on_currency(self.text)
Widget:
size_hint: 1, 0.2
BoxLayout:
orientation: 'horizontal'
size_hint: 1, 0.2
Button:
text: 'Cancel'
size_hint: 0.5, None
height: '48dp'
on_release: popup.dismiss()
Button:
text: 'OK'
size_hint: 0.5, None
height: '48dp'
on_release:
root.callback()
popup.dismiss()
''')
from kivy.uix.label import Label
from kivy.uix.checkbox import CheckBox
from kivy.uix.widget import Widget
from kivy.clock import Clock
from electrum.plugins import run_hook
from functools import partial
class FxDialog(Factory.Popup):
def __init__(self, app, plugins, config, callback):
Factory.Popup.__init__(self)
self.app = app
self.config = config
self.callback = callback
self.plugins = plugins
p = self.plugins.get('exchange_rate')
self.ids.enabled.active = bool(p)
def on_active(self, b):
if b:
p = self.plugins.enable('exchange_rate')
p.init_kivy(self.app)
values = sorted(p.exchanges.keys())
text = p.exchange.name()
else:
self.plugins.disable('exchange_rate')
values = []
text = ''
Clock.schedule_once(partial(self.add_exchanges, values, text), 0.1)
def add_exchanges(self, values, text, dt):
ex = self.ids.exchanges
ex.values = values
ex.text = text
def on_exchange(self, text):
if not text:
return
p = self.plugins.get('exchange_rate')
if p and text != p.exchange.name():
p.set_exchange(text)
Clock.schedule_once(self.add_currencies, 1)
def add_currencies(self, dt):
p = self.plugins.get('exchange_rate')
currencies = sorted(p.exchange.quotes.keys()) if p else []
self.ids.ccy.values = currencies
my_ccy = p.get_currency() if p else None
if currencies:
self.ids.ccy.text = my_ccy if my_ccy in currencies else currencies[0]
def on_currency(self, ccy):
if not ccy:
return
p = self.plugins.get('exchange_rate')
if p and ccy != p.get_currency():
p.set_currency(ccy)
self.app.fiat_unit = ccy