Browse Source

parse payto text

283
ThomasV 11 years ago
parent
commit
d3f136d609
  1. 4
      gui/qt/amountedit.py
  2. 4
      gui/qt/main_window.py
  3. 73
      gui/qt/paytoedit.py

4
gui/qt/amountedit.py

@ -41,3 +41,7 @@ class AmountEdit(QLineEdit):
s = s[:p] + '.' + s[p:p+8]
self.setText(s)
self.setCursorPosition(pos)
def setAmount(self, amount):
self.setText(self.format_amount(self.wallet.fee).strip())

4
gui/qt/main_window.py

@ -644,7 +644,8 @@ class ElectrumWindow(QMainWindow):
grid.setRowStretch(8, 1)
from paytoedit import PayToEdit
self.payto_e = PayToEdit()
self.amount_e = AmountEdit(self.base_unit)
self.payto_e = PayToEdit(self.amount_e)
self.payto_help = HelpButton(_('Recipient of the funds.') + '\n\n' + _('You may enter a Bitcoin address, a label from your list of contacts (a list of completions will be proposed), or an alias (email-like address that forwards to a Bitcoin address)'))
grid.addWidget(QLabel(_('Pay to')), 1, 0)
grid.addWidget(self.payto_e, 1, 1, 1, 3)
@ -672,7 +673,6 @@ class ElectrumWindow(QMainWindow):
grid.addWidget(self.from_list, 3, 1, 1, 3)
self.set_pay_from([])
self.amount_e = AmountEdit(self.base_unit)
self.amount_help = HelpButton(_('Amount to be sent.') + '\n\n' \
+ _('The amount will be displayed in red if you do not have enough funds in your wallet. Note that if you have frozen some of your addresses, the available funds will be lower than your total balance.') \
+ '\n\n' + _('Keyboard shortcut: type "!" to send all your coins.'))

73
gui/qt/paytoedit.py

@ -19,11 +19,18 @@
from PyQt4.QtCore import *
from PyQt4.QtGui import *
import re
from decimal import Decimal
from electrum import bitcoin
RE_ADDRESS = '[1-9A-HJ-NP-Za-km-z]{26,}'
RE_ALIAS = '(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>'
class PayToEdit(QTextEdit):
def __init__(self, *args, **kwargs):
QTextEdit.__init__(self, *args, **kwargs)
def __init__(self, amount_edit):
QTextEdit.__init__(self)
self.amount_edit = amount_edit
self.document().contentsChanged.connect(self.update_size)
self.heightMin = 0
self.heightMax = 150
@ -33,6 +40,57 @@ class PayToEdit(QTextEdit):
self.c = None
def lock_amount(self):
e = self.amount_edit
e.setReadOnly(True)
e.setFrame(False)
def unlock_amount(self):
e = self.amount_edit
e.setReadOnly(False)
e.setFrame(True)
def parse_line(self, line):
recipient, amount = line.split(',')
amount = Decimal(amount.strip())
recipient = recipient.strip()
m = re.match(RE_ALIAS, recipient)
to_address = m.group(2) if m else recipient
assert bitcoin.is_address(to_address)
return to_address, amount
def check_text(self):
# filter out empty lines
lines = filter( lambda x: x, self.lines())
outputs = []
total = 0
for line in lines:
try:
to_address, amount = self.parse_line(line)
except:
continue
outputs.append((to_address, amount))
total += amount
self.outputs = outputs
self.amount_edit.setText(str(total) if total else "")
if total or len(lines)>1:
self.lock_amount()
else:
self.unlock_amount()
def lines(self):
return str(self.toPlainText()).split('\n')
def is_multiline(self):
return len(self.lines()) > 1
def update_size(self):
docHeight = self.document().size().height()
if self.heightMin <= docHeight <= self.heightMax:
@ -56,6 +114,7 @@ class PayToEdit(QTextEdit):
tc.movePosition(QTextCursor.EndOfWord)
tc.insertText(completion.right(extra))
self.setTextCursor(tc)
self.check_text()
def textUnderCursor(self):
@ -70,10 +129,20 @@ class PayToEdit(QTextEdit):
e.ignore()
return
if e.key() in [Qt.Key_Tab]:
e.ignore()
return
if e.key() in [Qt.Key_Down, Qt.Key_Up] and not self.is_multiline():
e.ignore()
return
isShortcut = (e.modifiers() and Qt.ControlModifier) and e.key() == Qt.Key_E
if not self.c or not isShortcut:
QTextEdit.keyPressEvent(self, e)
self.check_text()
ctrlOrShift = e.modifiers() and (Qt.ControlModifier or Qt.ShiftModifier)
if self.c is None or (ctrlOrShift and e.text().isEmpty()):

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