openwebrx-clone/owrx/breadcrumb.py

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Python
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from typing import List
from abc import ABC, abstractmethod
class BreadcrumbItem(object):
def __init__(self, title, href):
self.title = title
self.href = href
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def render(self, documentRoot, active=False):
return '<li class="breadcrumb-item {active}"><a href="{documentRoot}{href}">{title}</a></li>'.format(
documentRoot=documentRoot, href=self.href, title=self.title, active="active" if active else ""
)
class Breadcrumb(object):
def __init__(self, breadcrumbs: List[BreadcrumbItem]):
self.items = breadcrumbs
def render(self, documentRoot):
return """
<ol class="breadcrumb">
{crumbs}
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{last_crumb}
</ol>
""".format(
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crumbs="".join(item.render(documentRoot) for item in self.items[:-1]),
last_crumb="".join(item.render(documentRoot, True) for item in self.items[-1:]),
)
def append(self, crumb: BreadcrumbItem):
self.items.append(crumb)
return self
class BreadcrumbMixin(ABC):
def template_variables(self):
variables = super().template_variables()
variables["breadcrumb"] = self.get_breadcrumb().render(self.get_document_root())
return variables
@abstractmethod
def get_breadcrumb(self) -> Breadcrumb:
pass