def line_config(app, df):
options = CheckboxGroup(
labels=['Show peaks', 'Show Std. Dev.', 'Bolinger Bands'],
name='new_chart_options')
title = TextInput(title="Chart Title",
name='new_chart_title',
value="Line")
new_chart_index = Select.create(options=['---'] + list(df.columns),
name='"new_chart_index"',
title="Chart index")
chart_values_select = MultiSelect.create(options=df.columns,
name="chart_values",
title="Values")
chart_data = AppHBox(
app=app, children=[new_chart_index, chart_values_select, options])
main_tab = AppVBox(app=app, children=[title, chart_data, 'select_palette'])
confirm_chart_button = Button(label="Confirm",
type="success",
name='confirm_add_chart')
return {
'dlg':
Dialog(buttons=[confirm_chart_button], content=main_tab, visible=True),
"new_chart_index":
new_chart_index,
'new_chart_title':
title,
'chart_values':
chart_values_select,
'new_chart_options':
options
}
def confirm_new_annotation(btn, app):
global saved_annotations
annotations = app.objects['annotations']
annotation_txt = app.objects['annotation_txt'].value
dlg = app.objects['new_annotation_dlg']
dlg.visible = False
new_annotations = MultiSelect.create(options=[x for x in annotations.options], name='annotations')
rec = {'name': annotation_txt, 'value': annotation_txt}
if annotation_txt and not rec in new_annotations.options:
new_annotations.options.append(rec)
saved_annotations[annotation_txt] = {
"txt": annotation_txt,
"charts_selection": current_selection,
}
#
# for p in app.objects['charts_box'].children:
# import pdb; pdb.set_trace()
# p.text(
#
# df['ind'][current_selection['1d']['indices'][0]], 0, annotation_txt,
# text_font_size="8pt", text_align="center", text_baseline="middle"
# )
# import pdb; pdb.set_trace()
# print "SAVED!!", saved_annotations
return {'annotations': new_annotations}
def dash_remove_field(rbutton, app):
"""
Event handler for click on "remove field" button
"""
ms = app.objects['ms']
to_remove = ms.value
options = [x for x in ms.options if x['value'] not in to_remove]
new_ms = MultiSelect.create(options=options, name='ms')
# TODO: Do we really need to recreate the entire DataTable object?
ndt = DataTable(source=source, columns=[], editable=True, width=500)
for new_value in options:
ndt.columns.append(
TableColumn(
field=new_value['value'], title=new_value['value'],editor=StringEditor()
)
)
main_content = MultiSelect.create(options=['AW', 'BS', 'C'], name='pppp')
main_tab = AppHBox(app=app, children=[main_content], width=300)
return {'ms': new_ms, 'dt': ndt}
def setup_filter_widgets(self, obj, attrname, old, new):
# print ("setup_filter_widgets")
"""Creates new filter widget each time a new column is added to filters.
Args:
obj (Widget): the object that has an attribute change
attrname (str): name of the attribute
old (type): the previous value of unknown type
new (type): the new value of unknown type
"""
self.clear_selections(obj, attrname, old, new)
# add new widget as required for each column set to filter on
column_descriptor_dict = self.column_descriptor_dict()
for col in self.filtering_columns:
metadata = column_descriptor_dict[col]
if not col in self.filter_widgets:
# discrete
if metadata['type'] == 'DiscreteColumn':
description = self.query('/bench/v1/desc/single/{0}'.format(col))
options = description['options']
select = MultiSelect.create(
name=col,
options=options)
self.filter_widgets[col] = select
# continuous
else:
col_query = self.query('/bench/v1/col/single/{0}'.format(col))
histogram = col_query['values']
source = make_histogram_source(histogram)
self.filter_sources[col] = source
hist_plot = make_histogram(self.filter_sources[col],
plot_width=200, plot_height=100,
title_text_font_size='8pt',
tools='box_select'
)
hist_plot.title = col
self.filter_widgets[col] = hist_plot
curdoc()._add_all()
def setup_filter_widgets(self, obj, attrname, old, new):
# print ("setup_filter_widgets")
"""Creates new filter widget each time a new column is added to filters.
Args:
obj (Widget): the object that has an attribute change
attrname (str): name of the attribute
old (type): the previous value of unknown type
new (type): the new value of unknown type
"""
self.clear_selections(obj, attrname, old, new)
# add new widget as required for each column set to filter on
column_descriptor_dict = self.column_descriptor_dict()
for col in self.filtering_columns:
metadata = column_descriptor_dict[col]
if not col in self.filter_widgets:
# discrete
if metadata['type'] == 'DiscreteColumn':
description = self.query(
'/bench/v1/desc/single/{0}'.format(col))
options = description['options']
select = MultiSelect.create(name=col, options=options)
self.filter_widgets[col] = select
# continuous
else:
col_query = self.query(
'/bench/v1/col/single/{0}'.format(col))
histogram = col_query['values']
source = make_histogram_source(histogram)
self.filter_sources[col] = source
hist_plot = make_histogram(self.filter_sources[col],
plot_width=200,
plot_height=100,
title_text_font_size='8pt',
tools='box_select')
hist_plot.title = col
self.filter_widgets[col] = hist_plot
curdoc()._add_all()
def update_select(select_sec, app):
# TODO: Definitely needs a better design to avoid using globals...
global source
global csource
global df
global index
ss = app.objects['select_sec'].value
df = load_symbol(ss)
index = df.pop('dt')
df = df[num_columns]
df['ind'] = list(range(len(index)))
for name in num_columns:
stdv = df[name].std()
values = [stdv for x in df.index]
df['%s_std_dv' % name] = values
source = ColumnDataSource(df)
source.tags = ['main_source']
ndt = DataTable(source=source, columns=[], editable=True, width=500)
charts_box = AppVBox(app=app, children=[], name='charts_box')
templ = """FOUND %s CRASHES FOR SYMBOL %s"""
crashes_info = check_for_crash(ss)
crashes_source = ColumnDataSource(crashes_info)
ccolumns = [TableColumn(field=x, title=x, editor=NumberEditor()) for x in crashes_info.columns]
txt = PreText(text=templ % (len(crashes_info), ss), width=500, height=100)
crashes_dt = DataTable(source=crashes_source, columns=ccolumns, editable=True, width=500)
crashes_box = AppVBox(app=app, children=[txt, crashes_dt], name='crash_stats')
new_ms = MultiSelect.create(options=[], name='ms')
return {
'charts_box': charts_box,
'dt': ndt,
'crash_stats': crashes_box,
'ms': new_ms,
}
def dash_update_input(abutton, app):
"""
Event handler for click on "add field" button
"""
ms = app.objects['ms']
dt = app.objects['dt']
columns = [x for x in dt.columns]
ndt = DataTable(source=source, columns=columns, editable=True, width = 500)
new_ms = MultiSelect.create(options=[x for x in ms.options], name='ms')
new_value = app.objects['field_to_add'].value or app.objects['field_to_add'].options[0]['value']
rec = {'name': new_value, 'value': new_value}
if new_value and not rec in new_ms.options:
new_ms.options.append(rec)
ndt.columns.append(
TableColumn(field=new_value, title=new_value, editor=StringEditor())
)
return {'ms': new_ms, 'dt': ndt}
def line_config(app, df):
options = CheckboxGroup(
labels=['Show peaks', 'Show Std. Dev.', 'Bolinger Bands'],
name='new_chart_options'
)
title = TextInput(title="Chart Title", name='new_chart_title', value="Line")
new_chart_index = Select.create(options=['---']+list(df.columns), name='"new_chart_index"', title="Chart index")
chart_values_select = MultiSelect.create(options=df.columns, name="chart_values", title="Values")
chart_data = AppHBox(app=app, children=[new_chart_index, chart_values_select, options])
main_tab = AppVBox(app=app, children=[title, chart_data, 'select_palette'])
confirm_chart_button = Button(label="Confirm", type="success", name='confirm_add_chart')
return {
'dlg': Dialog(buttons=[confirm_chart_button], content=main_tab, visible=True),
"new_chart_index": new_chart_index,
'new_chart_title': title,
'chart_values': chart_values_select,
'new_chart_options': options
}
def dashboard():
"""
Creates the main app objects
"""
# TODO: Should find a better design and remove those global objs...
global source
global csource
source = ColumnDataSource(df)
source.tags = ['main_source']
csource = ColumnDataSource(cdf)
csource.tags = ['crash_source']
select_sec = Select.create(options=SECURITIES, name='select_sec', title="")
asel = Select.create(options=df.columns, name='field_to_add', title="")
chart_sel = Select.create(options=chart_types, name='chart_to_add', title="")
msel = MultiSelect.create(options=[], name='ms')
abutton = Button(label="add", type="success", name='add_button')
rbutton = Button(label="remove", type="danger", name='remove_button')
add_chart_button = Button(label="add chart", type="success", name='add_chart')
data_table = DataTable(source=source, editable=True, width=500, height=400)
ccolumns = [TableColumn(field=x, title=x, editor=NumberEditor()) for x in cdf.columns]
crashes_table = DataTable(source=csource, editable=True, width=1200, height=400, columns=ccolumns)
charts_box = AppVBox(children=[], name='charts_box')
counts = cdf['crashes']
crashes_hist = charts.Histogram({'crash_counts': counts}, bins=20, height=300, title="# Crashes per Symbol")
crashes_scatter = create_crashes_scatter()
main_tab = VBox(children=[], name='d_box')
dlg = Dialog(buttons=[], content=main_tab , visible=False)
options = CheckboxGroup(
labels=['Show peaks', 'Show Std. Dev.', 'Bolinger Bands'],
name='new_chart_options'
)
select_palette = Select.create(options=brewer.keys(), name='select_palette', title="Palette")
return {
# security tab
'select_sec': select_sec,
'field_to_add': asel,
'chart_to_add': chart_sel,
'ms': msel,
'dt': data_table,
'add_button': abutton,
'remove_button': rbutton,
'add_chart': add_chart_button,
'charts_box': charts_box,
'dlg': dlg,
# Crashes tab objs
'crashes_hist': crashes_hist,
'crashes_scatter': crashes_scatter,
'crashes_table': crashes_table,
'crash_stats': PreText(text="NO CRASHES FOR SYMBOL %s" % SYMBOL, width=300),
#
'chart_values': MultiSelect.create(options=df.columns, name="chart_values", title="Values"),
'new_chart_index': Select.create(options=['---']+list(df.columns), title="Chart index", name="new_chart_index"),
'new_chart_title': TextInput(title="Chart Title", name='new_chart_title', value=''),
'new_chart_options': options,
'select_palette': select_palette,
# ANNOTATIONS
"annotations": MultiSelect.create(options=[], name="annotations", title="Annotations"),
"add_annotation": Button(label="add", type="success", name='add_annotation'),
"delete_annotation": Button(label="remove", type="danger", name='delete_annotation'),
"show_annotation": Button(label="Show", type="link", name='show_annotation'),
'new_annotation_dlg': Dialog(buttons=[], content=main_tab , visible=False),
'annotation_txt': TextInput(title="New Annotation", name='annotation_txt', value=''),
'new_annotation_options': CheckboxGroup(labels=[], name='new_annotation_options'),
}