def create_dropdown(name):
dd = Dropdown(value=value, options=trait.values)
def callback(dummy, value):
setattr(obj, name, value)
dd.on_trait_change(callback, 'value')
items.append(dd)
class UQVar:
def __init__(self, name, label, state, a, b=1):
self.name = name
self.label = label
self.w = Dropdown(options=['Exact', 'Gaussian', 'Uniform'],
description='%s:' % label,
value=state)
self.w1 = FloatText(value=a, description='mean:')
self.w2 = FloatText(value=b, description='dev:')
self.form = VBox(children=[self.w, self.w1, self.w2],
padding=10,
border_width=5)
self.w.on_trait_change(self.on_value_change, 'value')
self.on_value_change('')
def on_value_change(self, v):
value = self.w.value
if value == 'Exact':
self.w2.visible = False
self.w1.description = 'value:'
elif value == 'Gaussian':
self.w1.description = 'mean:'
self.w2.description = 'dev:'
self.w2.visible = True
else:
self.w1.description = 'min:'
self.w2.description = 'max:'
self.w2.visible = True
@property
def value(self):
value = self.w.value
if value == 'Exact':
return [self.name, self.label, self.w1.value]
if value == 'Gaussian':
return puq.NormalParameter(self.name,
self.label,
mean=self.w1.value,
dev=self.w2.value)
if value == 'Uniform':
return puq.UniformParameter(self.name,
self.label,
min=self.w1.value,
max=self.w2.value)
return None
def file_loading(name, old, new):
"""Update self.model when user requests a list of files to be uploaded"""
traits = [("value_{}".format(i), Unicode(sync=True)) for i in range(len(new))]
file_widget.add_traits(**dict(traits))
for i in range(len(new)):
file_widget.on_trait_change(file_loaded, "value_{}".format(i))
# file_names are uniqe, we ignore any duplicates
old_fnames = self.model.file_names
file_names = [fn for fn in new if fn not in old_fnames]
old_len = len(old_fnames)
new_len = len(file_names)
self.model.file_names.extend(file_names)
self.model.atom_types.extend(["H" for i in range(new_len)])
self.model.centrum_nums.extend([[1, 1, 1] for i in range(new_len)])
old_children = list(upload_area.children)
new_children = []
options = {"-": 0}
for i, file_name in zip(range(old_len, new_len), file_names):
j = "_{}".format(i)
element_picker = Dropdown(
description=file_name, value="", options=[""], color="Black", height=32, width=32, font_size=14
)
element_picker.add_traits(**{j: Unicode(sync=True)})
link((element_picker, "value"), (element_picker, j))
element_picker.on_trait_change(centrum_changed, j)
atomnum_picker1 = Dropdown(options=options, value=0, color="Black", height=32, font_size=14)
atomnum_picker2 = Dropdown(options=options, value=0, color="Black", height=32, font_size=14)
atomnum_picker3 = Dropdown(options=options, value=0, color="Black", height=32, font_size=14)
link((atomnum_picker1, "options"), (atomnum_picker2, "options"))
link((atomnum_picker2, "options"), (atomnum_picker3, "options"))
atomnum_picker1.add_traits(**{j: Int(sync=True)})
atomnum_picker2.add_traits(**{j: Int(sync=True)})
atomnum_picker3.add_traits(**{j: Int(sync=True)})
link((atomnum_picker1, "value"), (atomnum_picker1, j))
link((atomnum_picker2, "value"), (atomnum_picker2, j))
link((atomnum_picker3, "value"), (atomnum_picker3, j))
atomnum_picker1.on_trait_change(atomnum_changed, j)
atomnum_picker2.on_trait_change(atomnum_changed, j)
atomnum_picker3.on_trait_change(atomnum_changed, j)
line = HBox([element_picker, atomnum_picker1, atomnum_picker2, atomnum_picker3])
new_children.append(line)
upload_area.children = old_children + new_children
import matplotlib.font_manager as fm
font_list = fm.findSystemFonts(fontpaths=None, fontext='ttf')
f = [f.name for f in fm.fontManager.ttflist]
print(f)
from collections import OrderedDict
from IPython.display import (display, clear_output, YouTubeVideo)
from ipywidgets import Dropdown
dw = Dropdown(
options=OrderedDict([('SciPy 2016',
'Ejh0ftSjk6g'), ('PyCon 2016', 'YgtL4S7Hrwo')]))
from collections import OrderedDict
from IPython.display import (display, clear_output, YouTubeVideo)
from ipywidgets import Dropdown
dw = Dropdown(
options=OrderedDict([('SciPy 2016',
'Ejh0ftSjk6g'), ('PyCon 2016', 'YgtL4S7Hrwo')]))
def on_value_change(name, val):
clear_output()
display(YouTubeVideo(val))
dw.on_trait_change(on_value_change, 'value')
dw.value = dw.options['SciPy 2016']
display(dw)
