beakerx_form_password.py

from beakerx import EasyForm, EasyFormComponent,  BeakerxLayout, widget_serialization, getValue
from beakerx import BeakerxText
from ipywidgets.widgets.trait_types import InstanceDict
from beakerx import Int, Unicode, Dict, Bool, Union, List
from ipywidgets import Password, Text

class BeakerxPassword(Password, EasyFormComponent):
    def on_value_change(self, change):
        self.fireChanged(change['new'])

    def __init__(self, **kwargs):
        super(BeakerxPassword, self).__init__(**kwargs)
        self.observe(self.on_value_change, names='value')

    _view_module = Unicode('beakerx').tag(sync=True)
    _model_module = Unicode('beakerx').tag(sync=True)
    _model_module_version = Unicode('*').tag(sync=True)
    _view_module_version = Unicode('*').tag(sync=True)

    size = Int(default_value=-1).tag(sync=True)
    layout = InstanceDict(BeakerxLayout).tag(sync=True, **widget_serialization)
    style = None
class EasyFormWPass(EasyForm):
     def addPasswordField(self, *args, **kwargs):
        text = BeakerxPassword(description=self.getDescription(args, kwargs))
        text.size = getValue(kwargs, 'width', -1)
        self.children += (text,)
        self.components[text.description] = text
        return text