def group_values(chart_type, group_cols, map_group_cols, pathname, inputs,
prev_group_vals):
group_cols = make_list(group_cols)
if show_input_handler(chart_type
or "line")("group") and not len(group_cols):
return [], None
elif chart_type == "maps": # all maps have a group input
group_cols = make_list(map_group_cols)
if not len(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
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,
)
