def __init__(self, data, comment="", parent=None):
QWidget.__init__(self, parent)
from copy import deepcopy
self.data = deepcopy(data)
self.widgets = []
self.formlayout = QFormLayout(self)
if comment:
self.formlayout.addRow(QLabel(comment))
self.formlayout.addRow(QLabel(" "))
if DEBUG_FORMLAYOUT:
print("\n"+("*"*80))
print("DATA:", self.data)
print("*"*80)
print("COMMENT:", comment)
print("*"*80)
def __init__(self, parent=None):
super(KernelConnectionDialog, self).__init__(parent)
self.setWindowTitle(_('Connect to an existing kernel'))
main_label = QLabel(
_("Please enter the connection info of the kernel "
"you want to connect to. For that you can "
"either select its JSON connection file using "
"the <tt>Browse</tt> button, or write directly "
"its id, in case it's a local kernel (for "
"example <tt>kernel-3764.json</tt> or just "
"<tt>3764</tt>)."))
main_label.setWordWrap(True)
main_label.setAlignment(Qt.AlignJustify)
# connection file
cf_label = QLabel(_('Connection info:'))
self.cf = QLineEdit()
self.cf.setPlaceholderText(_('Path to connection file or kernel id'))
self.cf.setMinimumWidth(250)
cf_open_btn = QPushButton(_('Browse'))
self.connect(cf_open_btn, SIGNAL('clicked()'),
self.select_connection_file)
cf_layout = QHBoxLayout()
cf_layout.addWidget(cf_label)
cf_layout.addWidget(self.cf)
cf_layout.addWidget(cf_open_btn)
# remote kernel checkbox
self.rm_cb = QCheckBox(_('This is a remote kernel'))
# ssh connection
self.hn = QLineEdit()
self.hn.setPlaceholderText(_('username@hostname:port'))
self.kf = QLineEdit()
self.kf.setPlaceholderText(_('Path to ssh key file'))
kf_open_btn = QPushButton(_('Browse'))
self.connect(kf_open_btn, SIGNAL('clicked()'), self.select_ssh_key)
kf_layout = QHBoxLayout()
kf_layout.addWidget(self.kf)
kf_layout.addWidget(kf_open_btn)
self.pw = QLineEdit()
self.pw.setPlaceholderText(_('Password or ssh key passphrase'))
self.pw.setEchoMode(QLineEdit.Password)
ssh_form = QFormLayout()
ssh_form.addRow(_('Host name'), self.hn)
ssh_form.addRow(_('Ssh key'), kf_layout)
ssh_form.addRow(_('Password'), self.pw)
# Ok and Cancel buttons
accept_btns = QDialogButtonBox(
QDialogButtonBox.Ok | QDialogButtonBox.Cancel, Qt.Horizontal, self)
self.connect(accept_btns, SIGNAL('accepted()'), self.accept)
self.connect(accept_btns, SIGNAL('rejected()'), self.reject)
# Dialog layout
layout = QVBoxLayout(self)
layout.addWidget(main_label)
layout.addLayout(cf_layout)
layout.addWidget(self.rm_cb)
layout.addLayout(ssh_form)
layout.addWidget(accept_btns)
# remote kernel checkbox enables the ssh_connection_form
def ssh_set_enabled(state):
for wid in [self.hn, self.kf, kf_open_btn, self.pw]:
wid.setEnabled(state)
for i in range(ssh_form.rowCount()):
ssh_form.itemAt(2 * i).widget().setEnabled(state)
ssh_set_enabled(self.rm_cb.checkState())
self.connect(self.rm_cb, SIGNAL('stateChanged(int)'), ssh_set_enabled)
class FormWidget(QWidget):
def __init__(self, data, comment="", parent=None):
QWidget.__init__(self, parent)
from copy import deepcopy
self.data = deepcopy(data)
self.widgets = []
self.formlayout = QFormLayout(self)
if comment:
self.formlayout.addRow(QLabel(comment))
self.formlayout.addRow(QLabel(" "))
if DEBUG_FORMLAYOUT:
print("\n"+("*"*80))
print("DATA:", self.data)
print("*"*80)
print("COMMENT:", comment)
print("*"*80)
def get_dialog(self):
"""Return FormDialog instance"""
dialog = self.parent()
while not isinstance(dialog, QDialog):
dialog = dialog.parent()
return dialog
def setup(self):
for label, value in self.data:
if DEBUG_FORMLAYOUT:
print("value:", value)
if label is None and value is None:
# Separator: (None, None)
self.formlayout.addRow(QLabel(" "), QLabel(" "))
self.widgets.append(None)
continue
elif label is None:
# Comment
self.formlayout.addRow(QLabel(value))
self.widgets.append(None)
continue
elif tuple_to_qfont(value) is not None:
field = FontLayout(value, self)
elif text_to_qcolor(value).isValid():
field = ColorLayout(QColor(value), self)
elif is_text_string(value):
if '\n' in value:
for linesep in (os.linesep, '\n'):
if linesep in value:
value = value.replace(linesep, u("\u2029"))
field = QTextEdit(value, self)
else:
field = QLineEdit(value, self)
elif isinstance(value, (list, tuple)):
value = list(value) # in case this is a tuple
selindex = value.pop(0)
field = QComboBox(self)
if isinstance(value[0], (list, tuple)):
keys = [ key for key, _val in value ]
value = [ val for _key, val in value ]
else:
keys = value
field.addItems(value)
if selindex in value:
selindex = value.index(selindex)
elif selindex in keys:
selindex = keys.index(selindex)
elif not isinstance(selindex, int):
print("Warning: '%s' index is invalid (label: "\
"%s, value: %s)" % (selindex, label, value),
file=STDERR)
selindex = 0
field.setCurrentIndex(selindex)
elif isinstance(value, bool):
field = QCheckBox(self)
field.setCheckState(Qt.Checked if value else Qt.Unchecked)
elif isinstance(value, float):
field = QLineEdit(repr(value), self)
field.setValidator(QDoubleValidator(field))
dialog = self.get_dialog()
dialog.register_float_field(field)
field.textChanged.connect(lambda text: dialog.update_buttons())
elif isinstance(value, int):
field = QSpinBox(self)
field.setRange(-1e9, 1e9)
field.setValue(value)
elif isinstance(value, datetime.datetime):
field = QDateTimeEdit(self)
field.setDateTime(value)
elif isinstance(value, datetime.date):
field = QDateEdit(self)
field.setDate(value)
else:
field = QLineEdit(repr(value), self)
self.formlayout.addRow(label, field)
self.widgets.append(field)
def get(self):
valuelist = []
for index, (label, value) in enumerate(self.data):
field = self.widgets[index]
if label is None:
# Separator / Comment
continue
elif tuple_to_qfont(value) is not None:
value = field.get_font()
elif is_text_string(value):
if isinstance(field, QTextEdit):
value = to_text_string(field.toPlainText()
).replace(u("\u2029"), os.linesep)
else:
value = to_text_string(field.text())
elif isinstance(value, (list, tuple)):
index = int(field.currentIndex())
if isinstance(value[0], int):
# Return an int index, if initialization was an int
value = index
else:
value = value[index+1]
if isinstance(value, (list, tuple)):
value = value[0]
elif isinstance(value, bool):
value = field.checkState() == Qt.Checked
elif isinstance(value, float):
value = float(field.text())
elif isinstance(value, int):
value = int(field.value())
elif isinstance(value, datetime.datetime):
value = field.dateTime()
try:
value = value.toPyDateTime() # PyQt
except AttributeError:
value = value.toPython() # PySide
elif isinstance(value, datetime.date):
value = field.date()
try:
value = value.toPyDate() # PyQt
except AttributeError:
value = value.toPython() # PySide
else:
value = eval(str(field.text()))
valuelist.append(value)
return valuelist
def __init__(self, parent=None):
super(KernelConnectionDialog, self).__init__(parent)
self.setWindowTitle(_('Connect to an existing kernel'))
main_label = QLabel(_("Please enter the connection info of the kernel "
"you want to connect to. For that you can "
"either select its JSON connection file using "
"the <tt>Browse</tt> button, or write directly "
"its id, in case it's a local kernel (for "
"example <tt>kernel-3764.json</tt> or just "
"<tt>3764</tt>)."))
main_label.setWordWrap(True)
main_label.setAlignment(Qt.AlignJustify)
# connection file
cf_label = QLabel(_('Connection info:'))
self.cf = QLineEdit()
self.cf.setPlaceholderText(_('Path to connection file or kernel id'))
self.cf.setMinimumWidth(250)
cf_open_btn = QPushButton(_('Browse'))
self.connect(cf_open_btn, SIGNAL('clicked()'),
self.select_connection_file)
cf_layout = QHBoxLayout()
cf_layout.addWidget(cf_label)
cf_layout.addWidget(self.cf)
cf_layout.addWidget(cf_open_btn)
# remote kernel checkbox
self.rm_cb = QCheckBox(_('This is a remote kernel'))
# ssh connection
self.hn = QLineEdit()
self.hn.setPlaceholderText(_('username@hostname:port'))
self.kf = QLineEdit()
self.kf.setPlaceholderText(_('Path to ssh key file'))
kf_open_btn = QPushButton(_('Browse'))
self.connect(kf_open_btn, SIGNAL('clicked()'), self.select_ssh_key)
kf_layout = QHBoxLayout()
kf_layout.addWidget(self.kf)
kf_layout.addWidget(kf_open_btn)
self.pw = QLineEdit()
self.pw.setPlaceholderText(_('Password or ssh key passphrase'))
self.pw.setEchoMode(QLineEdit.Password)
ssh_form = QFormLayout()
ssh_form.addRow(_('Host name'), self.hn)
ssh_form.addRow(_('Ssh key'), kf_layout)
ssh_form.addRow(_('Password'), self.pw)
# Ok and Cancel buttons
accept_btns = QDialogButtonBox(
QDialogButtonBox.Ok | QDialogButtonBox.Cancel,
Qt.Horizontal, self)
self.connect(accept_btns, SIGNAL('accepted()'), self.accept)
self.connect(accept_btns, SIGNAL('rejected()'), self.reject)
# Dialog layout
layout = QVBoxLayout(self)
layout.addWidget(main_label)
layout.addLayout(cf_layout)
layout.addWidget(self.rm_cb)
layout.addLayout(ssh_form)
layout.addWidget(accept_btns)
# remote kernel checkbox enables the ssh_connection_form
def ssh_set_enabled(state):
for wid in [self.hn, self.kf, kf_open_btn, self.pw]:
wid.setEnabled(state)
for i in range(ssh_form.rowCount()):
ssh_form.itemAt(2 * i).widget().setEnabled(state)
ssh_set_enabled(self.rm_cb.checkState())
self.connect(self.rm_cb, SIGNAL('stateChanged(int)'), ssh_set_enabled)
