class HeatmapWidget(W.DOMWidget):
_view_name = T.Unicode('HeatmapView', sync=True)
heatmap_data = T.List(sync=True)
row_labels = T.List(sync=True)
col_labels = T.List(sync=True)
hcrow = T.List(sync=True)
hccol = T.List(sync=True)
minval = T.Float(sync=True)
maxval = T.Float(sync=True)
html_style = T.Unicode(sync=True)
class NormalizeDist(ToolBase):
"""
A simple example Tool.
This tool re-scales the input distribution so that the sum
is equal to `norm_val`.
"""
norm_val = traitlets.Float(1, tooltip='new sum', label='norm')
input_dist = traitlets.Instance(klass=DistributionSource,
tooltip='input distribution',
label='input')
output_dist = traitlets.Instance(klass=DistributionSink,
tooltip='output distribution',
label='output')
def run(self):
# sanity checks
if self.input_dist is None:
raise ValueError("input source must be not-none")
if self.output_dist is None:
raise ValueError("output sink must be not-none")
# grab data from input
with self.input_dist as src:
tmp_val = np.array(src.values(), dtype='float')
edges = src.bin_edges()
# scale data
tmp_val *= self.norm_val / np.sum(tmp_val)
# write results out
with self.output_dist as snk:
snk.write_dist(edges, tmp_val)
class IPythonProgressWidget(widgets.DOMWidget):
"""IPython widget for displaying a progress bar."""
# pylint: disable=too-many-public-methods
_view_name = traitlets.Unicode('NengoProgressBar', sync=True)
progress = traitlets.Float(0., sync=True)
text = traitlets.Unicode(u'', sync=True)
FRONTEND = '''
require(["widgets/js/widget", "widgets/js/manager"],
function(widget, manager) {
if (typeof widget.DOMWidgetView == 'undefined') {
widget = IPython;
}
if (typeof manager.WidgetManager == 'undefined') {
manager = IPython;
}
var NengoProgressBar = widget.DOMWidgetView.extend({
render: function() {
// $el is the DOM of the widget
this.$el.css({width: '100%', marginBottom: '0.5em'});
this.$el.html([
'<div style="',
'width: 100%;',
'border: 1px solid #cfcfcf;',
'border-radius: 4px;',
'text-align: center;',
'position: relative;">',
'<div class="pb-text" style="',
'position: absolute;',
'width: 100%;">',
'0%',
'</div>',
'<div class="pb-bar" style="',
'background-color: #bdd2e6;',
'width: 0%;',
'transition: width 0.1s linear;">',
' ',
'</div>',
'</div>'].join(''));
},
update: function() {
this.$el.css({width: '100%', marginBottom: '0.5em'});
var progress = 100 * this.model.get('progress');
var text = this.model.get('text');
this.$el.find('div.pb-bar').width(progress.toString() + '%');
this.$el.find('div.pb-text').text(text);
},
});
manager.WidgetManager.register_widget_view(
'NengoProgressBar', NengoProgressBar);
});'''
@classmethod
def load_frontend(cls):
"""Loads the JavaScript front-end code required by then widget."""
get_ipython().run_cell_magic('javascript', '', cls.FRONTEND)
class D3Sankey(widgets.DOMWidget):
# the name of the requirejs module (no .js!)
_view_module = traitlets.Unicode(
'nbextensions/ipythond3sankey/js/widget_d3sankey',
sync=True)
# the name of the Backbone.View subclass to be used
_view_name = traitlets.Unicode(
'D3SankeyView',
sync=True
)
# the name of the CSS file to load with this widget
_view_style = traitlets.Unicode(
'nbextensions/ipythond3sankey/css/widget_d3sankey',
sync=True
)
# the actual value: lists of nodes and links
nodes = traitlets.List(sync=True)
links = traitlets.List(sync=True)
# margins & size
margin_top = traitlets.Float(1, sync=True)
margin_right = traitlets.Float(1, sync=True)
margin_bottom = traitlets.Float(6, sync=True)
margin_left = traitlets.Float(1, sync=True)
width = traitlets.Float(960, sync=True)
height = traitlets.Float(500, sync=True)
unit = traitlets.Unicode('', sync=True)
class BoundedThreshold(ToolBase):
"""
Select a band of thresholds
"""
input_file = traitlets.Instance(klass=ImageSource,
tooltip='Image File',
label='input')
output_file = traitlets.Instance(klass=ImageSink,
tooltip='Image File',
label='output')
min_val = traitlets.Float(0, tooltip='Minimum Value', label='min_val')
max_val = traitlets.Float(1, tooltip='Maximum Value', label='max_val')
def run(self):
with self.input_file as src:
# grab the input data
res = _generic_thresh(src.get_frame(0),
min_val=self.min_val,
max_val=self.max_val)
self.output_file.set_resolution(self.input_file.resolution,
self.input_file.resolution_units)
with self.output_file as snk:
snk.record_frame(res, 0)
class IPythonProgressWidget(DOMWidget):
"""IPython widget for displaying a progress bar."""
# pylint: disable=too-many-public-methods
_view_name = traitlets.Unicode('NengoProgressBar', sync=True)
if notebook_version[0] >= 4:
_view_module = traitlets.Unicode('nengo', sync=True)
progress = traitlets.Float(0., sync=True)
text = traitlets.Unicode(u'', sync=True)
WIDGET = '''
var NengoProgressBar = widgets.DOMWidgetView.extend({
render: function() {
// Work-around for messed up CSS in IPython 4
$('.widget-subarea').css({flex: '2 1 0%'});
// $el is the DOM of the widget
this.$el.css({width: '100%', marginBottom: '0.5em'});
this.$el.html([
'<div style="',
'width: 100%;',
'border: 1px solid #cfcfcf;',
'border-radius: 4px;',
'text-align: center;',
'position: relative;">',
'<div class="pb-text" style="',
'position: absolute;',
'width: 100%;">',
'0%',
'</div>',
'<div class="pb-bar" style="',
'background-color: #bdd2e6;',
'width: 0%;',
'transition: width 0.1s linear;">',
' ',
'</div>',
'</div>'].join(''));
},
update: function() {
this.$el.css({width: '100%', marginBottom: '0.5em'});
var progress = 100 * this.model.get('progress');
var text = this.model.get('text');
this.$el.find('div.pb-bar').width(progress.toString() + '%');
this.$el.find('div.pb-text').html(text);
},
});
'''
FRONTEND = '''
define('nengo', ["jupyter-js-widgets"], function(widgets) {{
{widget}
return {{
NengoProgressBar: NengoProgressBar
}};
}});'''.format(widget=WIDGET)
LEGACY_FRONTEND = '''
require(["widgets/js/widget", "widgets/js/manager"],
function(widgets, manager) {{
if (typeof widgets.DOMWidgetView == 'undefined') {{
widgets = IPython;
}}
if (typeof manager.WidgetManager == 'undefined') {{
manager = IPython;
}}
{widget}
manager.WidgetManager.register_widget_view(
'NengoProgressBar', NengoProgressBar);
}});'''.format(widget=WIDGET)
LEGACY_4_FRONTEND = '''
define('nengo', ["widgets/js/widget"], function(widgets) {{
{widget}
return {{
NengoProgressBar: NengoProgressBar
}};
}});'''.format(widget=WIDGET)
@classmethod
def load_frontend(cls, ipython):
"""Loads the JavaScript front-end code required by then widget."""
if notebook_version[0] < 4:
ipython.run_cell_magic('javascript', '', cls.LEGACY_FRONTEND)
elif ipywidgets.version_info[0] < 5:
nb_ver_4x = (notebook_version[0] == 4 and notebook_version[1] > 1)
if notebook_version[0] > 4 or nb_ver_4x:
warnings.warn(
"Incompatible versions of notebook and ipywidgets "
"detected. Please update your ipywidgets package to "
"version 5 or above.")
ipython.run_cell_magic('javascript', '', cls.LEGACY_4_FRONTEND)
else:
ipython.run_cell_magic('javascript', '', cls.FRONTEND)
# the content for the TextWidget must also be a traitlet
elif class_name == "TextWidget":
traitlets_dict.update({"content": klass.content})
# now define the trailets with the correct traitlet.Type
for name, default in traitlets_dict.items():
try:
default = float(default)
attribute_type = "float"
except:
attribute_type = "string"
if attribute_type == "float":
setattr(klass, name, traitlets.Float(default, sync=True))
elif attribute_type == "string":
setattr(klass, name, traitlets.Unicode(default, sync=True))
traitlet = getattr(klass, name)
# normally set by metaclass IPython.utils.traitlets.MetaHasTraits.__new__
traitlet.name = name
# normally set by metaclass IPython.utils.traitlets.MetaHasTraits.__init__
traitlet.this_class = klass
# prepare data to send to Javascript
widget_properties = {
class_name: {
class TestDocument(documents.Document):
mstr = traitlets.Unicode(default_value = "axx", db= True)
number = traitlets.Float(db=True)
emb = traitlets.Instance(EmbDoc, db=True)
moreembs = traitlets.List(traitlets.Instance(EmbDoc), db=True)
lst = documents.TList(traitlets.Int)
