move point of sale mode into plugins
This commit is contained in:
thomasv
246
plugins/pointofsale.py
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246
plugins/pointofsale.py
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import re
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import platform
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from decimal import Decimal
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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import PyQt4.QtCore as QtCore
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import PyQt4.QtGui as QtGui
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from electrum_gui.qrcodewidget import QRCodeWidget
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from electrum_gui import bmp, pyqrnative, qrscanner
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from electrum_gui.i18n import _
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if platform.system() == 'Windows':
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MONOSPACE_FONT = 'Lucida Console'
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elif platform.system() == 'Darwin':
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MONOSPACE_FONT = 'Monaco'
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else:
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MONOSPACE_FONT = 'monospace'
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class QR_Window(QWidget):
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def __init__(self, exchanger):
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QWidget.__init__(self)
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self.exchanger = exchanger
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self.setWindowTitle('Electrum - '+_('Invoice'))
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self.setMinimumSize(800, 250)
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self.address = ''
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self.labe = ''
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self.amount = 0
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self.setFocusPolicy(QtCore.Qt.NoFocus)
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main_box = QHBoxLayout()
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self.qrw = QRCodeWidget()
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main_box.addWidget(self.qrw, 1)
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vbox = QVBoxLayout()
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main_box.addLayout(vbox)
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self.address_label = QLabel("")
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#self.address_label.setFont(QFont(MONOSPACE_FONT))
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vbox.addWidget(self.address_label)
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self.label_label = QLabel("")
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vbox.addWidget(self.label_label)
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self.amount_label = QLabel("")
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vbox.addWidget(self.amount_label)
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vbox.addStretch(1)
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self.setLayout(main_box)
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def set_content(self, addr, label, amount, currency):
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self.address = addr
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address_text = "<span style='font-size: 18pt'>%s</span>" % addr if addr else ""
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self.address_label.setText(address_text)
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if currency == 'BTC': currency = None
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amount_text = ''
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if amount:
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if currency:
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self.amount = Decimal(amount) / self.exchanger.exchange(1, currency) if currency else amount
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else:
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self.amount = Decimal(amount)
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self.amount = self.amount.quantize(Decimal('1.0000'))
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if currency:
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amount_text += "<span style='font-size: 18pt'>%s %s</span><br/>" % (amount, currency)
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amount_text += "<span style='font-size: 21pt'>%s</span> <span style='font-size: 16pt'>BTC</span> " % str(self.amount)
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self.amount_label.setText(amount_text)
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self.label = label
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label_text = "<span style='font-size: 21pt'>%s</span>" % label if label else ""
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self.label_label.setText(label_text)
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msg = 'bitcoin:'+self.address
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if self.amount is not None:
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msg += '?amount=%s'%(str( self.amount))
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if self.label is not None:
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msg += '&label=%s'%(self.label)
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elif self.label is not None:
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msg += '?label=%s'%(self.label)
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self.qrw.set_addr( msg )
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def get_info():
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return 'Point of Sale', _('Show QR code window and amounts requested for each address. Add menu item to request amount.')
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def init(wallet):
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wallet.requested_amounts = wallet.config.get('requested_amounts',{})
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def init_gui(gui):
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gui.qr_window = None
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enabled = False
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def is_enabled():
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return False
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def toggle(gui):
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global enabled
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enabled = not enabled
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toggle_QR_window(gui, enabled)
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if enabled:
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gui.wallet.set_hook('item_changed', item_changed)
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gui.wallet.set_hook('current_item_changed', recv_changed)
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gui.wallet.set_hook('receive_menu', receive_menu)
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gui.wallet.set_hook('update_receive_item', update_receive_item)
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gui.wallet.set_hook('timer_actions', timer_actions)
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gui.wallet.set_hook('close_main_window', close_main_window)
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else:
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gui.wallet.unset_hook('item_changed', item_changed)
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gui.wallet.unset_hook('current_item_changed', recv_changed)
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gui.wallet.unset_hook('receive_menu', receive_menu)
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gui.wallet.unset_hook('update_receive_item', update_receive_item)
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gui.wallet.unset_hook('timer_actions', timer_actions)
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gui.wallet.unset_hook('close_main_window', close_main_window)
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return enabled
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def toggle_QR_window(self, show):
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if show and not self.qr_window:
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self.qr_window = QR_Window(self.exchanger)
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self.qr_window.setVisible(True)
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self.qr_window_geometry = self.qr_window.geometry()
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item = self.receive_list.currentItem()
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if item:
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address = str(item.text(1))
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label = self.wallet.labels.get(address)
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amount, currency = self.wallet.requested_amounts.get(address, (None, None))
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self.qr_window.set_content( address, label, amount, currency )
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elif show and self.qr_window and not self.qr_window.isVisible():
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self.qr_window.setVisible(True)
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self.qr_window.setGeometry(self.qr_window_geometry)
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elif not show and self.qr_window and self.qr_window.isVisible():
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self.qr_window_geometry = self.qr_window.geometry()
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self.qr_window.setVisible(False)
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#self.print_button.setHidden(self.qr_window is None or not self.qr_window.isVisible())
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self.receive_list.setColumnHidden(2, self.qr_window is None or not self.qr_window.isVisible())
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#self.receive_list.setColumnWidth(1, 200)
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def item_changed(self, item, column):
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if column == 4:
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address = str( item.text(0) )
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text = str( item.text(column) )
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try:
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seq = self.wallet.get_address_index(address)
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index = seq[-1]
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except:
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print "cannot get index"
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return
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text = text.strip().upper()
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print text
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m = re.match('^(\d+(|\.\d*))\s*(|BTC|EUR|USD|GBP|CNY|JPY|RUB|BRL)$', text)
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if m:
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amount = m.group(1)
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currency = m.group(3)
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if not currency:
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currency = 'BTC'
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else:
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currency = currency.upper()
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self.wallet.requested_amounts[address] = (amount, currency)
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self.wallet.config.set_key('requested_amounts', self.wallet.requested_amounts, True)
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label = self.wallet.labels.get(address)
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if label is None:
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label = self.merchant_name + ' - %04d'%(index+1)
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self.wallet.labels[address] = label
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if self.qr_window:
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self.qr_window.set_content( address, label, amount, currency )
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else:
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item.setText(column,'')
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if address in self.wallet.requested_amounts:
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self.wallet.requested_amounts.pop(address)
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self.update_receive_item(self.receive_list.currentItem())
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def recv_changed(self, a):
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if a is not None and self.qr_window and self.qr_window.isVisible():
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address = str(a.text(0))
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label = self.wallet.labels.get(address)
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try:
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amount, currency = self.wallet.requested_amounts.get(address, (None, None))
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except:
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amount, currency = None, None
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self.qr_window.set_content( address, label, amount, currency )
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def edit_amount(self):
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l = self.receive_list
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item = l.currentItem()
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item.setFlags(Qt.ItemIsEditable|Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
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l.editItem( item, 4 )
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item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsUserCheckable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled)
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def receive_menu(self, menu):
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menu.addAction(_("Request amount"), lambda: edit_amount(self))
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def update_receive_item(self, address, item):
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try:
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amount, currency = self.wallet.requested_amounts.get(address, (None, None))
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except:
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print "cannot get requested amount", address, self.wallet.requested_amounts.get(address)
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amount, currency = None, None
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amount_str = amount + (' ' + currency if currency else '') if amount is not None else ''
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item.setData(4,0,amount_str)
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def close_main_window(self):
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if self.qr_window:
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self.qr_window.close()
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self.qr_window = None
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def timer_actions(self):
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if self.qr_window:
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self.qr_window.qrw.update_qr()
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