Source code for panel.pane.alert
"""
Bootstrap inspired Alerts
See https://getbootstrap.com/docs/4.0/components/alerts/
"""
from __future__ import annotations
from typing import (
Any, ClassVar, List, Mapping,
)
import param
from ..io.resources import CDN_DIST
from .markup import Markdown
ALERT_TYPES = [
"primary", "secondary", "success", "danger",
"warning", "info", "light", "dark"
]
[docs]class Alert(Markdown):
"""
The `Alert` pane allows providing contextual feedback messages for typical
user actions. The Alert supports markdown strings.
Reference: https://panel.holoviz.org/reference/panes/Alert.html
:Example:
>>> Alert('Some important message', alert_type='warning')
"""
alert_type = param.ObjectSelector(default="primary", objects=ALERT_TYPES)
priority: ClassVar[float | bool | None] = 0
_rename: ClassVar[Mapping[str, str | None]] = {'alert_type': None}
_stylesheets: ClassVar[List[str]] = [
f'{CDN_DIST}css/alerts.css'
]
[docs] @classmethod
def applies(cls, obj: Any) -> float | bool | None:
priority = Markdown.applies(obj)
return 0 if priority else False
def __init__(self, object=None, **params):
if "sizing_mode" not in params and "width" not in params:
params["sizing_mode"] = "stretch_width"
super().__init__(object, **params)
def _process_param_change(self, params):
if 'css_classes' in params or 'alert_type' in params:
params['css_classes'] = self.css_classes + [
'alert', f'alert-{self.alert_type}'
]
return super()._process_param_change(params)