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exchange rate plugin: bi-directional conversion

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This commit is contained in:
ThomasV 2014-06-11 18:10:21 +02:00
parent efa35d9ec2
commit cff3d6ce31
2 changed files with 23 additions and 10 deletions
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4
gui/qt/main_window.py
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@ -641,7 +641,7 @@ class ElectrumWindow(QMainWindow):
def create_send_tab(self): def create_send_tab(self):
w = QWidget() w = QWidget()
grid = QGridLayout(w) self.send_grid = grid = QGridLayout(w)
grid.setSpacing(8) grid.setSpacing(8)
grid.setColumnMinimumWidth(3,300) grid.setColumnMinimumWidth(3,300)
grid.setColumnStretch(5,1) grid.setColumnStretch(5,1)
@ -694,8 +694,6 @@ class ElectrumWindow(QMainWindow):
+ _('The amount of fee can be decided freely by the sender. However, transactions with low fees take more time to be processed.') + '\n\n'\ + _('The amount of fee can be decided freely by the sender. However, transactions with low fees take more time to be processed.') + '\n\n'\
+ _('A suggested fee is automatically added to this field. You may override it. The suggested fee increases with the size of the transaction.')), 5, 3) + _('A suggested fee is automatically added to this field. You may override it. The suggested fee increases with the size of the transaction.')), 5, 3)
run_hook('exchange_rate_button', grid)
self.send_button = EnterButton(_("Send"), self.do_send) self.send_button = EnterButton(_("Send"), self.do_send)
grid.addWidget(self.send_button, 6, 1) grid.addWidget(self.send_button, 6, 1)

29
plugins/exchange_rate.py
View file

@ -332,6 +332,7 @@ class Plugin(BasePlugin):
self.exchanger = Exchanger(self) self.exchanger = Exchanger(self)
self.exchanger.start() self.exchanger.start()
self.gui.exchanger = self.exchanger # self.gui.exchanger = self.exchanger #
self.add_fiat_edit()
def set_currencies(self, currency_options): def set_currencies(self, currency_options):
self.currencies = sorted(currency_options) self.currencies = sorted(currency_options)
@ -391,12 +392,14 @@ class Plugin(BasePlugin):
def toggle(self): def toggle(self):
out = BasePlugin.toggle(self) enabled = BasePlugin.toggle(self)
self.win.update_status() self.win.update_status()
self.win.tabs.removeTab(1) self.win.tabs.removeTab(1)
new_send_tab = self.gui.main_window.create_send_tab() new_send_tab = self.gui.main_window.create_send_tab()
self.win.tabs.insertTab(1, new_send_tab, _('Send')) self.win.tabs.insertTab(1, new_send_tab, _('Send'))
return out if enabled:
self.add_fiat_edit()
return enabled
def close(self): def close(self):
@ -634,15 +637,27 @@ class Plugin(BasePlugin):
def fiat_unit(self): def fiat_unit(self):
return self.config.get("currency", "EUR") return self.config.get("currency", "EUR")
def exchange_rate_button(self, grid): def add_fiat_edit(self):
self.fiat_e = AmountEdit(self.fiat_unit) self.fiat_e = AmountEdit(self.fiat_unit)
self.btc_e = self.win.amount_e
grid = self.btc_e.parent()
def fiat_changed(): def fiat_changed():
fiat_amount = str(self.fiat_e.text()) fiat_amount = str(self.fiat_e.text())
if fiat_amount in ["", "."]: if fiat_amount in ["", "."]:
fiat_amount = "0" self.btc_e.setText("")
return
exchange_rate = self.exchanger.exchange(Decimal("1.0"), self.fiat_unit()) exchange_rate = self.exchanger.exchange(Decimal("1.0"), self.fiat_unit())
if exchange_rate is not None: if exchange_rate is not None:
btc_amount = Decimal(fiat_amount) / exchange_rate btc_amount = Decimal(fiat_amount) / exchange_rate
self.gui.main_window.amount_e.setAmount(int(btc_amount*Decimal(100000000))) self.btc_e.setAmount(int(btc_amount*Decimal(100000000)))
self.fiat_e.textChanged.connect(fiat_changed) self.fiat_e.textEdited.connect(fiat_changed)
grid.addWidget(self.fiat_e, 4, 3, Qt.AlignHCenter) def btc_changed():
btc_amount = self.btc_e.get_amount()
if btc_amount is None:
self.fiat_e.setText("")
return
fiat_amount = self.exchanger.exchange(Decimal(btc_amount)/Decimal(100000000), self.fiat_unit())
if fiat_amount is not None:
self.fiat_e.setText(str(fiat_amount))
self.btc_e.textEdited.connect(btc_changed)
self.win.send_grid.addWidget(self.fiat_e, 4, 3, Qt.AlignHCenter)