def __init__(self, parent, controller_widget, control_name):
super(ListValuesEditor, self).__init__(parent)
self.controller_widget = controller_widget
self.control_name = control_name
self.format = 'JSON'
self.separator = ','
self.modified = False
layout = QtGui.QVBoxLayout()
self.setLayout(layout)
textedit = QtGui.QTextEdit()
layout.addWidget(textedit)
hlayout2 = QtGui.QHBoxLayout()
layout.addLayout(hlayout2)
hlayout2.addWidget(QtGui.QLabel('Format:'))
format_c = QtGui.QComboBox()
hlayout2.addWidget(format_c)
hlayout2.addWidget(QtGui.QLabel('Separator:'))
sep_c = QtGui.QComboBox()
hlayout2.addWidget(sep_c)
format_c.addItem('JSON')
format_c.addItem('CSV')
sep_c.addItem(',')
sep_c.addItem(';')
sep_c.addItem(' ')
hlayout2.addStretch(1)
ok = QtGui.QPushButton('OK')
cancel = QtGui.QPushButton('Cancel')
hlayout2.addWidget(ok)
hlayout2.addWidget(cancel)
ok.pressed.connect(self.accept)
cancel.pressed.connect(self.reject)
parent_controller = controller_widget.controller
value = getattr(parent_controller, control_name)
text = json.dumps(value)
textedit.setText(text)
self.textedit = textedit
self.format_c = format_c
self.separator_c = sep_c
self.internal_change = False
textedit.textChanged.connect(self.set_modified)
format_c.currentIndexChanged.connect(self.format_changed)
sep_c.currentIndexChanged.connect(self.separator_changed)
def create_widget(parent, control_name, control_value, trait,
label_class=None):
""" Method to create the widget.
Parameters
----------
parent: QWidget (mandatory)
the parent widget
control_name: str (mandatory)
the name of the control we want to create
control_value: str (mandatory)
the default control value, here the enum values
trait: Tait (mandatory)
the trait associated to the control
label_class: Qt widget class (optional, default: None)
the label widget will be an instance of this class. Its constructor
will be called using 2 arguments: the label string and the parent
widget.
Returns
-------
out: 2-uplet
a two element tuple of the form (control widget: QComboBox,
associated label: QLabel)
"""
# Create the widget that will be used to select a value
widget = QtGui.QComboBox(parent)
# Save the possible choices
widget._choices = trait.handler.values
# Add a parameter to tell us if the widget is optional
widget.optional = trait.optional
# Set the enum list items to the widget
for item in widget._choices:
widget.addItem(unicode(item))
# Select the default value
# If the default value is not in the enum list, pick the first item
# of the enum list
if control_value not in widget._choices:
widget.setCurrentIndex(0)
else:
widget.setCurrentIndex(widget._choices.index(control_value))
# Create the label associated with the enum widget
control_label = trait.label
if control_label is None:
control_label = control_name
if label_class is None:
label_class = QtGui.QLabel
if control_label is not None:
label = label_class(control_label, parent)
else:
label = None
return (widget, label)
