ThomasV
8 years ago
12 changed files with 246 additions and 365 deletions
@ -1,5 +0,0 @@ |
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from electrum.i18n import _ |
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fullname = _("Exchange rates") |
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description = _("Exchange rates and currency conversion tools.") |
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available_for = ['qt','kivy'] |
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@ -1,54 +0,0 @@ |
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from __future__ import absolute_import |
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from .exchange_rate import FxPlugin |
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from electrum.plugins import hook |
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from kivy.event import EventDispatcher |
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class MyEventDispatcher(EventDispatcher): |
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def __init__(self, **kwargs): |
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self.register_event_type('on_quotes') |
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self.register_event_type('on_history') |
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super(MyEventDispatcher, self).__init__(**kwargs) |
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def on_quotes(self, *args): |
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pass |
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def on_history(self, *args): |
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pass |
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class Plugin(FxPlugin): |
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def __init__(self, parent, config, name): |
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FxPlugin.__init__(self, parent, config, name) |
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self.dispatcher = MyEventDispatcher() |
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def on_quotes(self): |
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self.print_error("on_quotes", self.ccy) |
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self.dispatcher.dispatch('on_quotes') |
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def on_history(self): |
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self.print_error("on_history", self.ccy) |
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self.dispatcher.dispatch('on_history') |
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def on_close(self): |
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self.print_error("on close") |
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self.window.fiat_unit = '' |
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self.window.history_screen.update() |
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@hook |
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def init_kivy(self, window): |
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self.print_error("init_kivy") |
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self.window = window |
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self.dispatcher.bind(on_quotes=window.on_quotes) |
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self.dispatcher.bind(on_history=window.on_history) |
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self.window.fiat_unit = self.ccy |
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self.dispatcher.dispatch('on_history') |
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@hook |
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def load_wallet(self, wallet, window): |
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self.window = window |
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self.window.fiat_unit = self.ccy |
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@ -1,227 +0,0 @@ |
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import time |
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from PyQt4.QtGui import * |
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from PyQt4.QtCore import * |
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from electrum_gui.qt.util import * |
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from electrum_gui.qt.amountedit import AmountEdit |
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from electrum.bitcoin import COIN |
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from electrum.i18n import _ |
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from decimal import Decimal |
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from functools import partial |
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from electrum.plugins import hook |
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from exchange_rate import FxPlugin |
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from electrum.util import timestamp_to_datetime |
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class Plugin(FxPlugin, QObject): |
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def __init__(self, parent, config, name): |
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FxPlugin.__init__(self, parent, config, name) |
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QObject.__init__(self) |
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def connect_fields(self, window, btc_e, fiat_e, fee_e): |
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def edit_changed(edit): |
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if edit.follows: |
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return |
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edit.setStyleSheet(BLACK_FG) |
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fiat_e.is_last_edited = (edit == fiat_e) |
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amount = edit.get_amount() |
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rate = self.exchange_rate() |
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if rate is None or amount is None: |
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if edit is fiat_e: |
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btc_e.setText("") |
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if fee_e: |
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fee_e.setText("") |
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else: |
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fiat_e.setText("") |
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else: |
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if edit is fiat_e: |
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btc_e.follows = True |
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btc_e.setAmount(int(amount / Decimal(rate) * COIN)) |
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btc_e.setStyleSheet(BLUE_FG) |
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btc_e.follows = False |
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if fee_e: |
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window.update_fee() |
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else: |
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fiat_e.follows = True |
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fiat_e.setText(self.ccy_amount_str( |
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amount * Decimal(rate) / COIN, False)) |
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fiat_e.setStyleSheet(BLUE_FG) |
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fiat_e.follows = False |
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btc_e.follows = False |
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fiat_e.follows = False |
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fiat_e.textChanged.connect(partial(edit_changed, fiat_e)) |
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btc_e.textChanged.connect(partial(edit_changed, btc_e)) |
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fiat_e.is_last_edited = False |
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@hook |
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def init_qt(self, gui): |
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for window in gui.windows: |
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self.on_new_window(window) |
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@hook |
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def do_clear(self, window): |
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window.fiat_send_e.setText('') |
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def on_close(self): |
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self.emit(SIGNAL('close_fx_plugin')) |
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def restore_window(self, window): |
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window.update_status() |
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window.history_list.refresh_headers() |
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window.fiat_send_e.hide() |
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window.fiat_receive_e.hide() |
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def on_quotes(self): |
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self.emit(SIGNAL('new_fx_quotes')) |
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def on_history(self): |
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self.emit(SIGNAL('new_fx_history')) |
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def on_fx_history(self, window): |
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'''Called when historical fx quotes are updated''' |
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window.history_list.update() |
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def on_fx_quotes(self, window): |
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'''Called when fresh spot fx quotes come in''' |
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window.update_status() |
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self.populate_ccy_combo() |
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# Refresh edits with the new rate |
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edit = window.fiat_send_e if window.fiat_send_e.is_last_edited else window.amount_e |
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edit.textEdited.emit(edit.text()) |
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edit = window.fiat_receive_e if window.fiat_receive_e.is_last_edited else window.receive_amount_e |
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edit.textEdited.emit(edit.text()) |
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# History tab needs updating if it used spot |
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if self.history_used_spot: |
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self.on_fx_history(window) |
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def on_ccy_combo_change(self): |
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'''Called when the chosen currency changes''' |
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ccy = str(self.ccy_combo.currentText()) |
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if ccy and ccy != self.ccy: |
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self.set_currency(ccy) |
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self.hist_checkbox_update() |
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def hist_checkbox_update(self): |
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if self.hist_checkbox: |
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self.hist_checkbox.setEnabled(self.ccy in self.exchange.history_ccys()) |
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self.hist_checkbox.setChecked(self.config_history()) |
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def populate_ccy_combo(self): |
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# There should be at most one instance of the settings dialog |
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combo = self.ccy_combo |
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# NOTE: bool(combo) is False if it is empty. Nuts. |
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if combo is not None: |
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combo.blockSignals(True) |
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combo.clear() |
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combo.addItems(sorted(self.exchange.quotes.keys())) |
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combo.blockSignals(False) |
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combo.setCurrentIndex(combo.findText(self.ccy)) |
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@hook |
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def on_new_window(self, window): |
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# Additional send and receive edit boxes |
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if not hasattr(window, 'fiat_send_e'): |
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send_e = AmountEdit(self.get_currency) |
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window.send_grid.addWidget(send_e, 4, 2, Qt.AlignLeft) |
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window.amount_e.frozen.connect( |
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lambda: send_e.setFrozen(window.amount_e.isReadOnly())) |
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receive_e = AmountEdit(self.get_currency) |
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window.receive_grid.addWidget(receive_e, 2, 2, Qt.AlignLeft) |
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window.fiat_send_e = send_e |
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window.fiat_receive_e = receive_e |
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self.connect_fields(window, window.amount_e, send_e, window.fee_e) |
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self.connect_fields(window, window.receive_amount_e, receive_e, None) |
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else: |
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window.fiat_send_e.show() |
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window.fiat_receive_e.show() |
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window.history_list.refresh_headers() |
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window.update_status() |
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window.connect(self, SIGNAL('new_fx_quotes'), lambda: self.on_fx_quotes(window)) |
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window.connect(self, SIGNAL('new_fx_history'), lambda: self.on_fx_history(window)) |
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window.connect(self, SIGNAL('close_fx_plugin'), lambda: self.restore_window(window)) |
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window.connect(self, SIGNAL('refresh_headers'), window.history_list.refresh_headers) |
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def settings_widget(self, window): |
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return EnterButton(_('Settings'), partial(self.settings_dialog, window)) |
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def settings_dialog(self, window): |
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d = WindowModalDialog(window, _("Exchange Rate Settings")) |
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layout = QGridLayout(d) |
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layout.addWidget(QLabel(_('Exchange rate API: ')), 0, 0) |
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layout.addWidget(QLabel(_('Currency: ')), 1, 0) |
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layout.addWidget(QLabel(_('History Rates: ')), 2, 0) |
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# Currency list |
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self.ccy_combo = QComboBox() |
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self.ccy_combo.currentIndexChanged.connect(self.on_ccy_combo_change) |
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self.populate_ccy_combo() |
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def on_change_ex(idx): |
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exchange = str(combo_ex.currentText()) |
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if exchange != self.exchange.name(): |
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self.set_exchange(exchange) |
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self.hist_checkbox_update() |
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def on_change_hist(checked): |
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if checked: |
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self.config.set_key('history_rates', 'checked') |
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self.get_historical_rates() |
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else: |
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self.config.set_key('history_rates', 'unchecked') |
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self.emit(SIGNAL('refresh_headers')) |
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def ok_clicked(): |
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self.timeout = 0 |
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self.ccy_combo = None |
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d.accept() |
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combo_ex = QComboBox() |
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combo_ex.addItems(sorted(self.exchanges.keys())) |
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combo_ex.setCurrentIndex(combo_ex.findText(self.config_exchange())) |
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combo_ex.currentIndexChanged.connect(on_change_ex) |
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self.hist_checkbox = QCheckBox() |
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self.hist_checkbox.stateChanged.connect(on_change_hist) |
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self.hist_checkbox_update() |
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ok_button = QPushButton(_("OK")) |
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ok_button.clicked.connect(lambda: ok_clicked()) |
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layout.addWidget(self.ccy_combo,1,1) |
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layout.addWidget(combo_ex,0,1) |
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layout.addWidget(self.hist_checkbox,2,1) |
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layout.addWidget(ok_button,3,1) |
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return d.exec_() |
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def config_history(self): |
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return self.config.get('history_rates', 'unchecked') != 'unchecked' |
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def show_history(self): |
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return self.config_history() and self.ccy in self.exchange.history_ccys() |
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@hook |
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def history_tab_headers(self, headers): |
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if self.show_history(): |
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headers.extend(['%s '%self.ccy + _('Amount'), '%s '%self.ccy + _('Balance')]) |
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@hook |
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def history_tab_update_begin(self): |
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self.history_used_spot = False |
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@hook |
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def history_tab_update(self, tx, entry): |
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if not self.show_history(): |
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return |
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tx_hash, height, conf, timestamp, value, balance = tx |
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if conf <= 0: |
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date = timestamp_to_datetime(time.time()) |
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else: |
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date = timestamp_to_datetime(timestamp) |
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for amount in [value, balance]: |
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text = self.historical_value_str(amount, date) |
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entry.append(text) |
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