def init_callbacks(dash_app):
"""
Dynamically adds dash callbacks to dash-wrapped flask server
:param dash_app: flask server with dash support enabled
:type dash_app: :class:`flask:flask.Flask`
:return: flask server with dash callbacks added
:rtype: :class:`flask:flask.Flask`
"""
@dash_app.callback(
[
Output("query-data", "data"),
Output("query-input", "style"),
Output("query-input", "title"),
],
[Input("query-input", "value")],
[State("url", "pathname"),
State("query-data", "data")],
)
def query_input(query, pathname, curr_query):
"""
dash callback for storing valid pandas dataframe queries. This acts as an intermediary between values typed
by the user and values that are applied to pandas dataframes. Most of the time what the user has typed is not
complete and thus not a valid pandas dataframe query.
:param query: query input
:type query: str
:param pathname: URL path
:param curr_query: current valid pandas dataframe query
:return: tuple of (query (if valid), styling for query input (if invalid input), query input title (containing
invalid query exception information)
:rtype: tuple of (str, str, str)
"""
try:
data_id = get_data_id(pathname)
data = global_state.get_data(data_id)
ctxt_vars = global_state.get_context_variables(data_id)
run_query(data, query, ctxt_vars)
return query, {"line-height": "inherit"}, ""
except BaseException as ex:
return (
curr_query,
{
"line-height": "inherit",
"background-color": "pink"
},
str(ex),
)
@dash_app.callback(
[
Output("input-data", "data"),
Output("x-dropdown", "options"),
Output("y-single-dropdown", "options"),
Output("y-multi-dropdown", "options"),
Output("z-dropdown", "options"),
Output("group-dropdown", "options"),
Output("barsort-dropdown", "options"),
Output("yaxis-dropdown", "options"),
Output("non-map-inputs", "style"),
Output("map-inputs", "style"),
Output("colorscale-input", "style"),
],
[
Input("query-data", "modified_timestamp"),
Input("chart-tabs", "value"),
Input("x-dropdown", "value"),
Input("y-multi-dropdown", "value"),
Input("y-single-dropdown", "value"),
Input("z-dropdown", "value"),
Input("group-dropdown", "value"),
Input("group-val-dropdown", "value"),
Input("agg-dropdown", "value"),
Input("window-input", "value"),
Input("rolling-comp-dropdown", "value"),
],
[State("url", "pathname"),
State("query-data", "data")],
)
def input_data(
_ts,
chart_type,
x,
y_multi,
y_single,
z,
group,
group_val,
agg,
window,
rolling_comp,
pathname,
query,
):
"""
dash callback for maintaining chart input state and column-based dropdown options. This will guard against
users selecting the same column for multiple axes.
"""
y_val = make_list(y_single if chart_type in ZAXIS_CHARTS else y_multi)
if group_val is not None:
group_val = [json.loads(gv) for gv in group_val]
inputs = dict(
query=query,
chart_type=chart_type,
x=x,
y=y_val,
z=z,
group=group,
group_val=group_val,
agg=agg,
window=window,
rolling_comp=rolling_comp,
)
data_id = get_data_id(pathname)
options = build_input_options(global_state.get_data(data_id), **inputs)
(
x_options,
y_multi_options,
y_single_options,
z_options,
group_options,
barsort_options,
yaxis_options,
) = options
show_map = chart_type == "maps"
map_style = {} if show_map else {"display": "none"}
non_map_style = {"display": "none"} if show_map else {}
cscale_style = colorscale_input_style(chart_type=chart_type)
return (
inputs,
x_options,
y_single_options,
y_multi_options,
z_options,
group_options,
barsort_options,
yaxis_options,
non_map_style,
map_style,
cscale_style,
)
@dash_app.callback(
[
Output("map-input-data", "data"),
Output("map-loc-dropdown", "options"),
Output("map-lat-dropdown", "options"),
Output("map-lon-dropdown", "options"),
Output("map-val-dropdown", "options"),
Output("map-loc-mode-input", "style"),
Output("map-loc-input", "style"),
Output("map-lat-input", "style"),
Output("map-lon-input", "style"),
Output("map-scope-input", "style"),
Output("map-mapbox-style-input", "style"),
Output("map-proj-input", "style"),
Output("proj-hover", "style"),
Output("proj-hover", "children"),
Output("loc-mode-hover", "style"),
Output("loc-mode-hover", "children"),
Output("custom-geojson-input", "style"),
],
[
Input("map-type-tabs", "value"),
Input("map-loc-mode-dropdown", "value"),
Input("map-loc-dropdown", "value"),
Input("map-lat-dropdown", "value"),
Input("map-lon-dropdown", "value"),
Input("map-val-dropdown", "value"),
Input("map-scope-dropdown", "value"),
Input("map-mapbox-style-dropdown", "value"),
Input("map-proj-dropdown", "value"),
Input("map-group-dropdown", "value"),
Input("geojson-dropdown", "value"),
Input("featureidkey-dropdown", "value"),
],
[State("url", "pathname")],
)
def map_data(
map_type,
loc_mode,
loc,
lat,
lon,
map_val,
scope,
style,
proj,
group,
geojson,
featureidkey,
pathname,
):
data_id = get_data_id(pathname)
map_type = map_type or "choropleth"
if map_type == "choropleth":
map_data = dict(map_type=map_type,
loc_mode=loc_mode,
loc=loc,
map_val=map_val)
if loc_mode == "geojson-id":
map_data["geojson"] = geojson
map_data["featureidkey"] = featureidkey
elif map_type == "mapbox":
map_data = dict(map_type=map_type,
lat=lat,
lon=lon,
map_val=map_val,
mapbox_style=style)
else:
map_data = dict(
map_type=map_type,
lat=lat,
lon=lon,
map_val=map_val,
scope=scope,
proj=proj,
)
if group is not None:
map_data["map_group"] = group
df = global_state.get_data(data_id)
loc_options, lat_options, lon_options, map_val_options = build_map_options(
df, type=map_type, loc=loc, lat=lat, lon=lon, map_val=map_val)
choro_style = {} if map_type == "choropleth" else {"display": "none"}
coord_style = ({} if map_type in ["scattergeo", "mapbox"] else {
"display": "none"
})
scatt_style = {} if map_type == "scattergeo" else {"display": "none"}
mapbox_style = {} if map_type == "mapbox" else {"display": "none"}
proj_hover_style = ({
"display": "none"
} if proj is None else dict(borderBottom="none"))
proj_hopver_children = build_proj_hover_children(proj)
loc_mode_hover_style = ({
"display": "none"
} if loc_mode is None else dict(borderBottom="none"))
loc_mode_children = build_loc_mode_hover_children(loc_mode)
custom_geojson_link = ({} if map_type == "choropleth"
and loc_mode == "geojson-id" else {
"display": "none"
})
return (
map_data,
loc_options,
lat_options,
lon_options,
map_val_options,
choro_style,
choro_style,
coord_style,
coord_style,
scatt_style,
mapbox_style,
scatt_style,
proj_hover_style,
proj_hopver_children,
loc_mode_hover_style,
loc_mode_children,
custom_geojson_link,
)
@dash_app.callback(
Output("map-mapbox-style-dropdown", "options"),
[Input("mapbox-token-input", "value")],
)
def update_mapbox_token(token):
from dtale.charts.utils import set_mapbox_token
if token:
set_mapbox_token(token)
return build_mapbox_style_options()
@dash_app.callback(
[
Output("y-multi-input", "style"),
Output("y-single-input", "style"),
Output("z-input", "style"),
Output("group-input", "style"),
Output("rolling-inputs", "style"),
Output("cpg-input", "style"),
Output("barmode-input", "style"),
Output("barsort-input", "style"),
Output("yaxis-input", "style"),
Output("animate-input", "style"),
Output("animate-by-input", "style"),
Output("animate-by-dropdown", "options"),
Output("trendline-input", "style"),
],
[Input("input-data", "modified_timestamp")],
[State("input-data", "data"),
State("url", "pathname")],
)
def input_toggles(_ts, inputs, pathname):
"""
dash callback controlling showing/hiding of chart-specific inputs (for example z-axis) as well as chart
formatting inputs (sorting for bars in bar chart, bar chart style (stacked) or y-axis ranges.
"""
[chart_type, agg] = [inputs.get(p) for p in ["chart_type", "agg"]]
show_input = show_input_handler(chart_type)
y_multi_style = {
"display": "block" if show_input("y", "multi") else "none"
}
y_single_style = {"display": "block" if show_input("y") else "none"}
z_style = {"display": "block" if show_input("z") else "none"}
group_style = {"display": "block" if show_input("group") else "none"}
rolling_style = {"display": "inherit" if agg == "rolling" else "none"}
cpg_style = {
"display": "block" if show_chart_per_group(**inputs) else "none"
}
bar_style, barsort_style = bar_input_style(**inputs)
yaxis_style = {
"display": "block" if show_yaxis_ranges(**inputs) else "none"
}
data_id = get_data_id(pathname)
df = global_state.get_data(data_id)
animate_style, animate_by_style, animate_opts = animate_styles(
df, **inputs)
trendline_style = dict(
display="block" if chart_type == "scatter" else "none")
return (
y_multi_style,
y_single_style,
z_style,
group_style,
rolling_style,
cpg_style,
bar_style,
barsort_style,
yaxis_style,
animate_style,
animate_by_style,
animate_opts,
trendline_style,
)
@dash_app.callback(
Output("chart-input-data", "data"),
[
Input("cpg-toggle", "on"),
Input("barmode-dropdown", "value"),
Input("barsort-dropdown", "value"),
Input("colorscale-picker", "colorscale"),
Input("animate-toggle", "on"),
Input("animate-by-dropdown", "value"),
Input("trendline-dropdown", "value"),
],
)
def chart_input_data(cpg, barmode, barsort, colorscale, animate,
animate_by, trendline):
"""
dash callback for maintaining selections in chart-formatting inputs
- chart per group flag
- bar chart mode
- bar chart sorting
"""
return dict(
cpg=cpg,
barmode=barmode,
barsort=barsort,
colorscale=colorscale,
animate=animate,
animate_by=animate_by,
trendline=trendline,
)
@dash_app.callback(
[
Output("chart-content", "children"),
Output("last-chart-input-data", "data"),
Output("range-data", "data"),
Output("chart-code", "value"),
Output("yaxis-type", "children"),
],
# Since we use the data prop in an output,
# we cannot get the initial data on load with the data prop.
# To counter this, you can use the modified_timestamp
# as Input and the data as State.
# This limitation is due to the initial None callbacks
# https://github.com/plotly/dash-renderer/pull/81
[
Input("input-data", "modified_timestamp"),
Input("chart-input-data", "modified_timestamp"),
Input("yaxis-data", "modified_timestamp"),
Input("map-input-data", "modified_timestamp"),
],
[
State("url", "pathname"),
State("input-data", "data"),
State("chart-input-data", "data"),
State("yaxis-data", "data"),
State("map-input-data", "data"),
State("last-chart-input-data", "data"),
],
)
def on_data(
_ts1,
_ts2,
_ts3,
_ts4,
pathname,
inputs,
chart_inputs,
yaxis_data,
map_data,
last_chart_inputs,
):
"""
dash callback controlling the building of dash charts
"""
all_inputs = dict_merge(inputs, chart_inputs,
dict(yaxis=yaxis_data or {}), map_data)
if all_inputs == last_chart_inputs:
raise PreventUpdate
if is_app_root_defined(dash_app.server.config.get("APPLICATION_ROOT")):
all_inputs["app_root"] = dash_app.server.config["APPLICATION_ROOT"]
charts, range_data, code = build_chart(get_data_id(pathname),
**all_inputs)
return (
charts,
all_inputs,
range_data,
"\n".join(make_list(code)),
get_yaxis_type_tabs(make_list(inputs.get("y") or [])),
)
def get_default_range(range_data, y, max=False):
if max:
return next(
iter(
sorted([range_data[y2] for y2 in y if y2 in range_data],
reverse=True)),
None,
)
return next(
iter(sorted([range_data[y2] for y2 in y if y2 in range_data])),
None)
@dash_app.callback(
[
Output("yaxis-min-input", "value"),
Output("yaxis-max-input", "value"),
Output("yaxis-dropdown", "style"),
Output("yaxis-min-label", "style"),
Output("yaxis-min-input", "style"),
Output("yaxis-max-label", "style"),
Output("yaxis-max-input", "style"),
Output("yaxis-type-div", "style"),
],
[Input("yaxis-type", "value"),
Input("yaxis-dropdown", "value")],
[
State("input-data", "data"),
State("yaxis-data", "data"),
State("range-data", "data"),
],
)
def yaxis_min_max_values(yaxis_type, yaxis, inputs, yaxis_inputs,
range_data):
"""
dash callback controlling values for selected y-axis in y-axis range editor
"""
y = make_list(inputs.get("y"))
dd_style = dict(display="block"
if yaxis_type == "multi" and len(y) > 1 else "none")
type_style = ({
"borderRadius": "0 0.25rem 0.25rem 0"
} if yaxis_type == "default" else None)
min_max_style = ("none" if (yaxis_type == "default") or
(yaxis_type == "multi" and yaxis is None) else
"block")
label_style = dict(display=min_max_style)
input_style = {"lineHeight": "inherit", "display": min_max_style}
curr_min, curr_max = (None, None)
range_min, range_max = ((range_data or {}).get(p) or {}
for p in ["min", "max"])
if yaxis:
curr_vals = (yaxis_inputs or {}).get("data", {}).get(yaxis) or {}
curr_min = curr_vals.get("min") or range_min.get(yaxis)
curr_max = curr_vals.get("max") or range_max.get(yaxis)
elif yaxis_type == "single":
curr_vals = (yaxis_inputs or {}).get("data", {}).get("all") or {}
curr_min = curr_vals.get("min")
if curr_min is None:
curr_min = get_default_range(range_min, y)
curr_max = curr_vals.get("max")
if curr_max is None:
curr_max = get_default_range(range_max, y, max=True)
return (
curr_min,
curr_max,
dd_style,
label_style,
input_style,
label_style,
input_style,
type_style,
)
@dash_app.callback(
Output("yaxis-data", "data"),
[
Input("yaxis-type", "value"),
Input("yaxis-min-input", "value"),
Input("yaxis-max-input", "value"),
],
[
State("yaxis-dropdown", "value"),
State("yaxis-data", "data"),
State("range-data", "data"),
State("input-data", "data"),
],
)
def update_yaxis_data(yaxis_type, yaxis_min, yaxis_max, yaxis, yaxis_data,
range_data, inputs):
"""
dash callback controlling updates to y-axis range state
"""
yaxis_data = yaxis_data or dict(data={})
yaxis_data["type"] = yaxis_type
yaxis_name = "all" if yaxis_type == "single" else yaxis
if yaxis_name == "all":
y = make_list(inputs.get("y"))
mins = range_data.get("min", {})
maxs = range_data.get("max", {})
range_min = get_default_range(mins, y)
range_max = get_default_range(maxs, y, max=True)
elif yaxis is None:
raise PreventUpdate
else:
range_min, range_max = (range_data[p].get(yaxis_name)
for p in ["min", "max"])
if yaxis_name in yaxis_data["data"]:
if (yaxis_min, yaxis_max) == (range_min, range_max):
del yaxis_data["data"][yaxis_name]
else:
yaxis_data["data"][yaxis_name] = dict(min=yaxis_min,
max=yaxis_max)
else:
if (yaxis_min, yaxis_max) != (range_min, range_max):
yaxis_data["data"][yaxis_name] = dict(min=yaxis_min,
max=yaxis_max)
return yaxis_data
@dash_app.callback(
[
Output("group-val-input", "style"),
Output("main-inputs", "className")
],
[
Input("input-data", "modified_timestamp"),
Input("map-input-data", "modified_timestamp"),
],
[State("input-data", "data"),
State("map-input-data", "data")],
)
def main_input_class(ts_, ts2_, inputs, map_inputs):
return main_inputs_and_group_val_display(dict_merge(
inputs, map_inputs))
@dash_app.callback(
[
Output("group-val-dropdown", "options"),
Output("group-val-dropdown", "value"),
],
[
Input("chart-tabs", "value"),
Input("group-dropdown", "value"),
Input("map-group-dropdown", "value"),
],
[
State("url", "pathname"),
State("input-data", "data"),
State("group-val-dropdown", "value"),
],
)
def group_values(chart_type, group_cols, map_group_cols, pathname, inputs,
prev_group_vals):
group_cols = make_list(map_group_cols if chart_type ==
"maps" else group_cols)
if not show_group_input(inputs, group_cols):
return [], None
data_id = get_data_id(pathname)
group_vals = run_query(
global_state.get_data(data_id),
inputs.get("query"),
global_state.get_context_variables(data_id),
)
group_vals = build_group_val_options(group_vals, group_cols)
selections = []
available_vals = [gv["value"] for gv in group_vals]
if prev_group_vals is not None:
selections = [
pgv for pgv in prev_group_vals if pgv in available_vals
]
if not len(selections) and len(group_vals) <= MAX_GROUPS:
selections = available_vals
return group_vals, selections
@dash_app.callback(
Output("popup-content", "children"),
[Input("url", "pathname"),
Input("url", "search")],
)
def display_page(pathname, search):
"""
dash callback which gets called on initial load of each dash page (main & popup)
"""
dash_app.config.suppress_callback_exceptions = False
if pathname is None:
raise PreventUpdate
params = chart_url_params(search)
data_id = get_data_id(pathname)
df = global_state.get_data(data_id)
settings = global_state.get_settings(data_id) or {}
return charts_layout(df, settings, **params)
custom_geojson.init_callbacks(dash_app)
def init_callbacks(dash_app):
"""
Dynamically adds dash callbacks to dash-wrapped flask server
:param dash_app: flask server with dash support enabled
:type dash_app: :class:`flask:flask.Flask`
:return: flask server with dash callbacks added
:rtype: :class:`flask:flask.Flask`
"""
@dash_app.callback(
[
Output("query-data", "data"),
Output("query-input", "style"),
Output("query-input", "title"),
Output("load-input", "marks"),
],
[Input("query-input", "value")],
[
State("query-data", "data"),
State("load-input", "marks"),
State("data-tabs", "value"),
],
)
def query_input(query, curr_query, curr_marks, data_id):
"""
dash callback for storing valid pandas dataframe queries. This acts as an intermediary between values typed
by the user and values that are applied to pandas dataframes. Most of the time what the user has typed is not
complete and thus not a valid pandas dataframe query.
:param query: query input
:type query: str
:param data_id: identifier for the data we are viewing
:type data_id: string
:param curr_query: current valid pandas dataframe query
:return: tuple of (query (if valid), styling for query input (if invalid input), query input title (containing
invalid query exception information)
:rtype: tuple of (str, str, str)
"""
try:
data = handle_predefined(data_id)
ctxt_vars = global_state.get_context_variables(data_id)
df = run_query(data, query, ctxt_vars)
return (
query,
{
"line-height": "inherit"
},
"",
build_slider_counts(df, data_id, query),
)
except BaseException as ex:
return (
curr_query,
{
"line-height": "inherit",
"background-color": "pink"
},
str(ex),
curr_marks,
)
@dash_app.callback(
[
Output("input-data", "data"),
Output("x-dropdown", "options"),
Output("y-single-dropdown", "options"),
Output("y-multi-dropdown", "options"),
Output("z-dropdown", "options"),
Output("group-dropdown", "options"),
Output("barsort-dropdown", "options"),
Output("yaxis-dropdown", "options"),
Output("standard-inputs", "style"),
Output("map-inputs", "style"),
Output("candlestick-inputs", "style"),
Output("treemap-inputs", "style"),
Output("funnel-inputs", "style"),
Output("colorscale-input", "style"),
Output("drilldown-input", "style"),
Output("lock-zoom-btn", "style"),
Output("open-extended-agg-modal", "style"),
Output("selected-cleaners", "children"),
],
[
Input("query-data", "modified_timestamp"),
Input("extended-aggregations", "modified_timestamp"),
Input("chart-tabs", "value"),
Input("x-dropdown", "value"),
Input("y-multi-dropdown", "value"),
Input("y-single-dropdown", "value"),
Input("z-dropdown", "value"),
Input("group-dropdown", "value"),
Input("group-type", "value"),
Input("group-val-dropdown", "value"),
Input("bins-val-input", "value"),
Input("bin-type", "value"),
Input("agg-dropdown", "value"),
Input("window-input", "value"),
Input("rolling-comp-dropdown", "value"),
Input("load-input", "value"),
Input("load-type-dropdown", "value"),
Input("cleaners-dropdown", "value"),
],
[
State("url", "pathname"),
State("query-data", "data"),
State("data-tabs", "value"),
State("extended-aggregations", "data"),
],
)
def input_data(
_ts,
_ts2,
chart_type,
x,
y_multi,
y_single,
z,
group,
group_type,
group_val,
bins_val,
bin_type,
agg,
window,
rolling_comp,
load,
load_type,
cleaners,
pathname,
query,
data_id,
extended_aggregation,
):
"""
dash callback for maintaining chart input state and column-based dropdown options. This will guard against
users selecting the same column for multiple axes.
"""
y_val = make_list(y_single if chart_type in ZAXIS_CHARTS else y_multi)
data_id = data_id or get_data_id(pathname)
if group_val is not None:
group_val = [json.loads(gv) for gv in group_val]
inputs = dict(
data_id=data_id,
query=query,
chart_type=chart_type,
x=x,
y=y_val,
z=z,
group=group,
group_type=group_type or "groups",
group_val=group_val if group else None,
bins_val=bins_val if group else None,
bin_type=bin_type or "width",
agg=agg or "raw",
window=window,
rolling_comp=rolling_comp,
load=load,
load_type=load_type,
cleaners=make_list(cleaners),
)
options = build_input_options(
global_state.get_data(data_id),
extended_aggregation=extended_aggregation,
**inputs)
(
x_options,
y_multi_options,
y_single_options,
z_options,
group_options,
barsort_options,
yaxis_options,
) = options
show_map = chart_type == "maps"
map_style = {} if show_map else {"display": "none"}
show_cs = chart_type == "candlestick"
cs_style = {} if show_cs else {"display": "none"}
show_treemap = chart_type == "treemap"
treemap_style = {} if show_treemap else {"display": "none"}
show_funnel = chart_type == "funnel"
funnel_style = {} if show_funnel else {"display": "none"}
standard_style = ({
"display": "none"
} if show_map or show_cs or show_treemap or show_funnel else {})
cscale_style = colorscale_input_style(chart_type=chart_type)
drilldown_toggle_style = show_style((agg or "raw") != "raw")
return (
inputs,
x_options,
y_single_options,
y_multi_options,
z_options,
group_options,
barsort_options,
yaxis_options,
standard_style,
map_style,
cs_style,
treemap_style,
funnel_style,
cscale_style,
drilldown_toggle_style,
lock_zoom_style(chart_type),
show_style(chart_type not in NON_EXT_AGGREGATION and len(y_val)),
"({} Selected)".format(len(inputs["cleaners"]))
if len(inputs["cleaners"]) else "",
)
@dash_app.callback(
[
Output("x-dropdown", "value"),
Output("y-multi-dropdown", "value"),
Output("y-single-dropdown", "value"),
Output("z-dropdown", "value"),
Output("group-dropdown", "value"),
Output("query-input", "value"),
],
Input("data-tabs", "value"),
State("input-data", "data"),
)
def update_data_selection(data_id, input_data):
if data_id == input_data["data_id"]:
raise PreventUpdate
return None, None, None, None, None, None
@dash_app.callback(
[
Output("map-input-data", "data"),
Output("map-loc-dropdown", "options"),
Output("map-lat-dropdown", "options"),
Output("map-lon-dropdown", "options"),
Output("map-val-dropdown", "options"),
Output("map-loc-mode-input", "style"),
Output("map-loc-input", "style"),
Output("map-lat-input", "style"),
Output("map-lon-input", "style"),
Output("map-scope-input", "style"),
Output("map-mapbox-style-input", "style"),
Output("map-proj-input", "style"),
Output("proj-hover", "style"),
Output("proj-hover", "children"),
Output("loc-mode-hover", "style"),
Output("loc-mode-hover", "children"),
Output("custom-geojson-input", "style"),
],
[
Input("map-type-tabs", "value"),
Input("map-loc-mode-dropdown", "value"),
Input("map-loc-dropdown", "value"),
Input("map-lat-dropdown", "value"),
Input("map-lon-dropdown", "value"),
Input("map-val-dropdown", "value"),
Input("map-scope-dropdown", "value"),
Input("map-mapbox-style-dropdown", "value"),
Input("map-proj-dropdown", "value"),
Input("map-group-dropdown", "value"),
Input("geojson-dropdown", "value"),
Input("featureidkey-dropdown", "value"),
],
[State("data-tabs", "value")],
)
def map_data(
map_type,
loc_mode,
loc,
lat,
lon,
map_val,
scope,
style,
proj,
group,
geojson,
featureidkey,
data_id,
):
map_type = map_type or "choropleth"
if map_type == "choropleth":
map_data = dict(map_type=map_type,
loc_mode=loc_mode,
loc=loc,
map_val=map_val)
if loc_mode == "geojson-id":
map_data["geojson"] = geojson
map_data["featureidkey"] = featureidkey
elif map_type == "mapbox":
map_data = dict(map_type=map_type,
lat=lat,
lon=lon,
map_val=map_val,
mapbox_style=style)
else:
map_data = dict(
map_type=map_type,
lat=lat,
lon=lon,
map_val=map_val,
scope=scope,
proj=proj,
)
if group is not None:
map_data["map_group"] = group
df = global_state.get_data(data_id)
loc_options, lat_options, lon_options, map_val_options = build_map_options(
df, type=map_type, loc=loc, lat=lat, lon=lon, map_val=map_val)
choro_style = {} if map_type == "choropleth" else {"display": "none"}
coord_style = ({} if map_type in ["scattergeo", "mapbox"] else {
"display": "none"
})
scatt_style = {} if map_type == "scattergeo" else {"display": "none"}
mapbox_style = {} if map_type == "mapbox" else {"display": "none"}
proj_hover_style = ({
"display": "none"
} if proj is None else dict(borderBottom="none"))
proj_hopver_children = build_proj_hover_children(proj)
loc_mode_hover_style = ({
"display": "none"
} if loc_mode is None else dict(borderBottom="none"))
loc_mode_children = build_loc_mode_hover_children(loc_mode)
custom_geojson_link = ({} if map_type == "choropleth"
and loc_mode == "geojson-id" else {
"display": "none"
})
return (
map_data,
loc_options,
lat_options,
lon_options,
map_val_options,
choro_style,
choro_style,
coord_style,
coord_style,
scatt_style,
mapbox_style,
scatt_style,
proj_hover_style,
proj_hopver_children,
loc_mode_hover_style,
loc_mode_children,
custom_geojson_link,
)
@dash_app.callback(
Output("map-mapbox-style-dropdown", "options"),
[Input("mapbox-token-input", "value")],
)
def update_mapbox_token(token):
from dtale.charts.utils import set_mapbox_token
if token:
set_mapbox_token(token)
return build_mapbox_style_options()
@dash_app.callback(
[
Output("candlestick-input-data", "data"),
Output("candlestick-x-dropdown", "options"),
Output("candlestick-open-dropdown", "options"),
Output("candlestick-close-dropdown", "options"),
Output("candlestick-high-dropdown", "options"),
Output("candlestick-low-dropdown", "options"),
],
[
Input("candlestick-x-dropdown", "value"),
Input("candlestick-open-dropdown", "value"),
Input("candlestick-close-dropdown", "value"),
Input("candlestick-high-dropdown", "value"),
Input("candlestick-low-dropdown", "value"),
Input("candlestick-group-dropdown", "value"),
],
[State("data-tabs", "value")],
)
def cs_data_callback(
cs_x,
cs_open,
cs_close,
cs_high,
cs_low,
group,
data_id,
):
cs_data = dict(
cs_x=cs_x,
cs_open=cs_open,
cs_close=cs_close,
cs_high=cs_high,
cs_low=cs_low,
)
if group is not None:
cs_data["cs_group"] = group
df = global_state.get_data(data_id)
(
x_options,
close_options,
open_options,
low_options,
high_options,
) = build_candlestick_options(
df,
cs_x=cs_x,
cs_open=cs_open,
cs_close=cs_close,
cs_high=cs_high,
cs_low=cs_low,
)
return (
cs_data,
x_options,
open_options,
close_options,
high_options,
low_options,
)
def label_value_callback(prop):
def _callback(selected_value, selected_label, group, data_id,
**kwargs):
label_value_data = {
"{}_value".format(prop): selected_value,
"{}_label".format(prop): selected_label,
}
if group is not None:
label_value_data["{}_group".format(prop)] = group
label_value_data = dict_merge(label_value_data, kwargs)
df = global_state.get_data(data_id)
value_options, label_options = build_label_value_options(
df,
selected_value=selected_value,
selected_label=selected_label,
)
return label_value_data, value_options, label_options
return _callback
def funnel_callback(selected_value, selected_label, group, stacked,
data_id):
label_value_data, value_options, label_options = label_value_callback(
"funnel")(selected_value,
selected_label,
group,
data_id,
funnel_stacked=stacked)
return (
label_value_data,
value_options,
label_options,
show_style(len(make_list(group)) > 0),
)
dash_app.callback(
[
Output("treemap-input-data", "data"),
Output("treemap-value-dropdown", "options"),
Output("treemap-label-dropdown", "options"),
],
[
Input("treemap-value-dropdown", "value"),
Input("treemap-label-dropdown", "value"),
Input("treemap-group-dropdown", "value"),
],
[State("data-tabs", "value")],
)(label_value_callback("treemap"))
dash_app.callback(
[
Output("funnel-input-data", "data"),
Output("funnel-value-dropdown", "options"),
Output("funnel-label-dropdown", "options"),
Output("funnel-stack-input", "style"),
],
[
Input("funnel-value-dropdown", "value"),
Input("funnel-label-dropdown", "value"),
Input("funnel-group-dropdown", "value"),
Input("funnel-stack-toggle", "on"),
],
[State("data-tabs", "value")],
)(funnel_callback)
@dash_app.callback(
[
Output("y-multi-input", "style"),
Output("y-single-input", "style"),
Output("z-input", "style"),
Output("group-input", "style"),
Output("rolling-inputs", "style"),
Output("cpg-input", "style"),
Output("cpy-input", "style"),
Output("barmode-input", "style"),
Output("barsort-input", "style"),
Output("top-bars-input", "style"),
Output("yaxis-input", "style"),
Output("animate-input", "style"),
Output("animate-by-input", "style"),
Output("animate-by-dropdown", "options"),
Output("trendline-input", "style"),
],
[Input("input-data", "modified_timestamp")],
[State("input-data", "data"),
State("url", "pathname")],
)
def input_toggles(_ts, inputs, pathname):
"""
dash callback controlling showing/hiding of chart-specific inputs (for example z-axis) as well as chart
formatting inputs (sorting for bars in bar chart, bar chart style (stacked) or y-axis ranges.
"""
[chart_type, agg] = [inputs.get(p) for p in ["chart_type", "agg"]]
show_input = show_input_handler(chart_type)
y_multi_style = {
"display": "block" if show_input("y", "multi") else "none"
}
y_single_style = {"display": "block" if show_input("y") else "none"}
z_style = {"display": "block" if show_input("z") else "none"}
group_style = {"display": "block" if show_input("group") else "none"}
rolling_style = {"display": "inherit" if agg == "rolling" else "none"}
cpg_style = {
"display": "block" if show_chart_per_group(**inputs) else "none"
}
cpy_style = {
"display": "block" if show_chart_per_y(**inputs) else "none"
}
bar_style, barsort_style = bar_input_style(**inputs)
yaxis_style = {
"display": "block" if show_yaxis_ranges(**inputs) else "none"
}
data_id = get_data_id(pathname)
df = global_state.get_data(data_id)
animate_style, animate_by_style, animate_opts = animate_styles(
df, **inputs)
trendline_style = dict(
display="block" if chart_type == "scatter" else "none")
return (
y_multi_style,
y_single_style,
z_style,
group_style,
rolling_style,
cpg_style,
cpy_style,
bar_style,
barsort_style,
barsort_style,
yaxis_style,
animate_style,
animate_by_style,
animate_opts,
trendline_style,
)
@dash_app.callback(
Output("chart-input-data", "data"),
[
Input("cpg-toggle", "on"),
Input("cpy-toggle", "on"),
Input("barmode-dropdown", "value"),
Input("barsort-dropdown", "value"),
Input("top-bars", "value"),
Input("colorscale-picker", "colorscale"),
Input("animate-toggle", "on"),
Input("animate-by-dropdown", "value"),
Input("trendline-dropdown", "value"),
Input("yaxis-scale", "value"),
],
)
def chart_input_data(
cpg,
cpy,
barmode,
barsort,
top_bars,
colorscale,
animate,
animate_by,
trendline,
scale,
):
"""
dash callback for maintaining selections in chart-formatting inputs
- chart per group flag
- bar chart mode
- bar chart sorting
"""
return dict(
cpg=cpg,
cpy=cpy,
barmode=barmode,
barsort=barsort,
top_bars=top_bars,
colorscale=colorscale,
animate=animate,
animate_by=animate_by,
trendline=trendline,
scale=scale,
)
@dash_app.callback(
Output("load-btn", "style"),
[
Input("auto-load-toggle", "on"),
],
)
def load_style(auto_load):
return dict(display="block" if not auto_load else "none")
@dash_app.callback(
[
Output("collapse-data", "is_open"),
Output("collapse-data-btn", "children")
],
[Input("collapse-data-btn", "n_clicks")],
[State("collapse-data", "is_open")],
)
def collapse_data_input(n, is_open):
final_is_open = is_open
if n:
final_is_open = not is_open
return final_is_open, collapse_btn_text(final_is_open,
text("Data Selection"))
@dash_app.callback(
[
Output("collapse-cleaners", "is_open"),
Output("collapse-cleaners-btn", "children"),
],
[Input("collapse-cleaners-btn", "n_clicks")],
[State("collapse-cleaners", "is_open")],
)
def collapse_cleaners_input(n, is_open):
final_is_open = is_open
if n:
final_is_open = not is_open
return final_is_open, collapse_btn_text(final_is_open,
text("Cleaners"))
@dash_app.callback(
[
Output("chart-content", "children"),
Output("last-chart-input-data", "data"),
Output("range-data", "data"),
Output("chart-code", "value"),
Output("yaxis-type", "children"),
Output("load-clicks", "data"),
Output("save-btn", "style"),
Output("agg-dropdown", "disabled"),
Output("extended-aggregation-tooltip", "children"),
Output("ext-agg-warning", "style"),
],
# Since we use the data prop in an output,
# we cannot get the initial data on load with the data prop.
# To counter this, you can use the modified_timestamp
# as Input and the data as State.
# This limitation is due to the initial None callbacks
# https://github.com/plotly/dash-renderer/pull/81
[
Input("input-data", "modified_timestamp"),
Input("chart-input-data", "modified_timestamp"),
Input("yaxis-data", "modified_timestamp"),
Input("map-input-data", "modified_timestamp"),
Input("candlestick-input-data", "modified_timestamp"),
Input("treemap-input-data", "modified_timestamp"),
Input("funnel-input-data", "modified_timestamp"),
Input("extended-aggregations", "modified_timestamp"),
Input("load-btn", "n_clicks"),
],
[
State("input-data", "data"),
State("chart-input-data", "data"),
State("yaxis-data", "data"),
State("map-input-data", "data"),
State("candlestick-input-data", "data"),
State("treemap-input-data", "data"),
State("funnel-input-data", "data"),
State("last-chart-input-data", "data"),
State("auto-load-toggle", "on"),
State("load-clicks", "data"),
State("extended-aggregations", "data"),
],
)
def on_data(
_ts1,
_ts2,
_ts3,
_ts4,
_ts5,
_ts6,
_ts7,
_ts8,
load_clicks,
inputs,
chart_inputs,
yaxis_data,
map_data,
cs_data,
treemap_data,
funnel_data,
last_chart_inputs,
auto_load,
prev_load_clicks,
ext_aggs,
):
"""
dash callback controlling the building of dash charts
"""
all_inputs = dict_merge(
inputs,
chart_inputs,
dict(yaxis=yaxis_data or {}),
map_data,
cs_data,
treemap_data,
funnel_data,
dict(extended_aggregation=ext_aggs or [])
if inputs.get("chart_type") not in NON_EXT_AGGREGATION else {},
)
if not auto_load and load_clicks == prev_load_clicks:
raise PreventUpdate
if all_inputs == last_chart_inputs:
raise PreventUpdate
if is_app_root_defined(dash_app.server.config.get("APPLICATION_ROOT")):
all_inputs["app_root"] = dash_app.server.config["APPLICATION_ROOT"]
charts, range_data, code = build_chart(**all_inputs)
agg_disabled = len(ext_aggs) > 0
ext_agg_tt = text("ext_agg_desc")
ext_agg_warning = show_style(agg_disabled)
if agg_disabled:
ext_agg_tt = html.Div([
html.Span(text("ext_agg_desc")),
html.Br(),
html.Ul([
html.Li(
extended_aggregations.build_extended_agg_desc(ext_agg),
className="mb-0",
) for ext_agg in ext_aggs
]),
])
final_cols = build_final_cols(
make_list(inputs.get("y")),
inputs.get("z"),
inputs.get("agg"),
ext_aggs
if inputs.get("chart_type") not in NON_EXT_AGGREGATION else [],
)
return (
charts,
all_inputs,
range_data,
"\n".join(make_list(code) + [CHART_EXPORT_CODE]),
get_yaxis_type_tabs(final_cols),
load_clicks,
dict(display="block" if valid_chart(**all_inputs) else "none"),
agg_disabled,
ext_agg_tt,
ext_agg_warning,
)
def get_default_range(range_data, y, max=False):
if max:
return next(
iter(
sorted([range_data[y2] for y2 in y if y2 in range_data],
reverse=True)),
None,
)
return next(
iter(sorted([range_data[y2] for y2 in y if y2 in range_data])),
None)
@dash_app.callback(
[
Output("yaxis-min-input", "value"),
Output("yaxis-max-input", "value"),
Output("yaxis-dropdown", "style"),
Output("yaxis-min-label", "style"),
Output("yaxis-min-input", "style"),
Output("yaxis-max-label", "style"),
Output("yaxis-max-input", "style"),
Output("yaxis-type-div", "style"),
],
[Input("yaxis-type", "value"),
Input("yaxis-dropdown", "value")],
[
State("input-data", "data"),
State("yaxis-data", "data"),
State("range-data", "data"),
State("extended-aggregations", "data"),
],
)
def yaxis_min_max_values(yaxis_type, yaxis, inputs, yaxis_inputs,
range_data, ext_aggs):
"""
dash callback controlling values for selected y-axis in y-axis range editor
"""
y = make_list(inputs.get("y"))
final_cols = build_final_cols(
y,
inputs.get("z"),
inputs.get("agg"),
ext_aggs
if inputs.get("chart_type") not in NON_EXT_AGGREGATION else [],
)
dd_style = dict(display="block" if yaxis_type == "multi"
and len(final_cols) > 1 else "none")
type_style = ({
"borderRadius": "0 0.25rem 0.25rem 0"
} if yaxis_type == "default" else None)
min_max_style = ("none" if (yaxis_type == "default") or
(yaxis_type == "multi" and yaxis is None) else
"block")
label_style = dict(display=min_max_style)
input_style = {"lineHeight": "inherit", "display": min_max_style}
curr_min, curr_max = (None, None)
range_min, range_max = ((range_data or {}).get(p) or {}
for p in ["min", "max"])
if yaxis:
curr_vals = (yaxis_inputs or {}).get("data", {}).get(yaxis) or {}
curr_min = curr_vals.get("min") or range_min.get(yaxis)
curr_max = curr_vals.get("max") or range_max.get(yaxis)
elif yaxis_type == "single":
curr_vals = (yaxis_inputs or {}).get("data", {}).get("all") or {}
curr_min = curr_vals.get("min")
if curr_min is None:
curr_min = get_default_range(range_min, final_cols)
curr_max = curr_vals.get("max")
if curr_max is None:
curr_max = get_default_range(range_max, final_cols, max=True)
return (
curr_min,
curr_max,
dd_style,
label_style,
input_style,
label_style,
input_style,
type_style,
)
@dash_app.callback(
Output("yaxis-data", "data"),
[
Input("yaxis-type", "value"),
Input("yaxis-min-input", "value"),
Input("yaxis-max-input", "value"),
],
[
State("yaxis-dropdown", "value"),
State("yaxis-dropdown", "options"),
State("yaxis-data", "data"),
State("range-data", "data"),
State("input-data", "data"),
State("extended-aggregations", "data"),
],
)
def update_yaxis_data(
yaxis_type,
yaxis_min,
yaxis_max,
yaxis,
yaxes,
yaxis_data,
range_data,
inputs,
ext_aggs,
):
"""
dash callback controlling updates to y-axis range state
"""
yaxis_data = yaxis_data or dict(data={})
yaxis_data["type"] = yaxis_type
yaxis = yaxis or yaxes[0]["value"] if len(yaxes) else None
yaxis_name = "all" if yaxis_type == "single" else yaxis
if yaxis_name == "all":
final_cols = build_final_cols(
make_list(inputs.get("y")),
inputs.get("z"),
inputs.get("agg"),
ext_aggs
if inputs.get("chart_type") not in NON_EXT_AGGREGATION else [],
)
mins = range_data.get("min", {})
maxs = range_data.get("max", {})
range_min = get_default_range(mins, final_cols)
range_max = get_default_range(maxs, final_cols, max=True)
elif yaxis is None:
raise PreventUpdate
else:
range_min, range_max = (range_data[p].get(yaxis_name)
for p in ["min", "max"])
if yaxis_name in yaxis_data["data"]:
if (yaxis_min, yaxis_max) == (range_min, range_max):
del yaxis_data["data"][yaxis_name]
else:
yaxis_data["data"][yaxis_name] = dict(min=yaxis_min,
max=yaxis_max)
else:
if (yaxis_min, yaxis_max) != (range_min, range_max):
yaxis_data["data"][yaxis_name] = dict(min=yaxis_min,
max=yaxis_max)
return yaxis_data
@dash_app.callback(
[
Output("group-type-input", "style"),
Output("group-val-input", "style"),
Output("bins-input", "style"),
Output("main-inputs", "className"),
Output("group-inputs-row", "style"),
],
[
Input("input-data", "modified_timestamp"),
Input("map-input-data", "modified_timestamp"),
Input("candlestick-input-data", "modified_timestamp"),
Input("treemap-input-data", "modified_timestamp"),
Input("funnel-input-data", "modified_timestamp"),
],
[
State("input-data", "data"),
State("map-input-data", "data"),
State("candlestick-input-data", "data"),
State("treemap-input-data", "data"),
State("funnel-input-data", "data"),
],
)
def main_input_class(
_ts,
_ts2,
_ts3,
_ts4,
_ts5,
inputs,
map_inputs,
cs_inputs,
treemap_inputs,
funnel_inputs,
):
return main_inputs_and_group_val_display(
dict_merge(inputs, map_inputs, cs_inputs, treemap_inputs,
funnel_inputs))
@dash_app.callback(
[
Output("group-val-dropdown", "options"),
Output("group-val-dropdown", "value"),
],
[
Input("chart-tabs", "value"),
Input("group-dropdown", "value"),
Input("map-group-dropdown", "value"),
Input("candlestick-group-dropdown", "value"),
Input("treemap-group-dropdown", "value"),
Input("funnel-group-dropdown", "value"),
],
[
State("input-data", "data"),
State("group-val-dropdown", "value"),
],
)
def group_values(
chart_type,
group_cols,
map_group_cols,
cs_group_cols,
treemap_group_cols,
funnel_group_cols,
inputs,
prev_group_vals,
):
data_id = inputs["data_id"]
group_cols = group_cols
if chart_type == "maps":
group_cols = map_group_cols
elif chart_type == "candlestick":
group_cols = cs_group_cols
elif chart_type == "treemap":
group_cols = treemap_group_cols
elif chart_type == "funnel":
group_cols = funnel_group_cols
group_cols = make_list(group_cols)
group_types = get_group_types(inputs, group_cols)
if "groups" not in group_types:
return [], None
group_vals = run_query(
handle_predefined(data_id),
inputs.get("query"),
global_state.get_context_variables(data_id),
)
group_vals = build_group_val_options(group_vals, group_cols)
selections = []
available_vals = [gv["value"] for gv in group_vals]
if prev_group_vals is not None:
selections = [
pgv for pgv in prev_group_vals if pgv in available_vals
]
if not len(selections) and len(group_vals) <= MAX_GROUPS:
selections = available_vals
return group_vals, selections
@dash_app.callback(
Output("popup-content", "children"),
[Input("url", "pathname"),
Input("url", "search")],
)
def display_page(pathname, search):
"""
dash callback which gets called on initial load of each dash page (main & popup)
"""
dash_app.config.suppress_callback_exceptions = False
if pathname is None:
raise PreventUpdate
params = chart_url_params(search)
params["data_id"] = params.get("data_id") or get_data_id(pathname)
df = global_state.get_data(params["data_id"])
settings = global_state.get_settings(params["data_id"]) or {}
return html.Div(
charts_layout(df, settings, **params) +
saved_charts.build_layout(),
className="charts-body",
)
custom_geojson.init_callbacks(dash_app)
drilldown_modal.init_callbacks(dash_app)
extended_aggregations.init_callbacks(dash_app)
lock_zoom.init_callbacks(dash_app)
saved_charts.init_callbacks(dash_app)
