99 lines
2.6 KiB
Python
99 lines
2.6 KiB
Python
from __future__ import unicode_literals
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from django.apps import apps
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from django.db import models
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from django.template import loader
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from django.template.response import TemplateResponse
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from django.urls import reverse
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from django.utils.encoding import force_text, python_2_unicode_compatible
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from django.utils.translation import ugettext
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class Dashboard(object):
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_registry = {}
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@classmethod
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def get(cls, name):
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return cls._registry[name]
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def __init__(self, name, label):
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self.name = name
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self.label = label
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self.widgets = {}
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self.removed_widgets = []
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self.__class__._registry[name] = self
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def add_widget(self, widget, order=0):
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self.widgets[widget] = {'widget': widget, 'order': order}
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def get_widgets(self):
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"""
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Returns a list of widgets sorted by their 'order'.
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If two or more widgets have the same 'order', sort by label.
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"""
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return map(
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lambda x: x['widget'],
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filter(
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lambda x: x['widget'] not in self.removed_widgets,
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sorted(
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self.widgets.values(),
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key=lambda x: (x['order'], x['widget'].label)
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)
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)
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)
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def remove_widget(self, widget):
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self.removed_widgets.append(widget)
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def render(self, request):
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rendered_widgets = [widget().render(request=request) for widget in self.get_widgets()]
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return loader.render_to_string(
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template_name='dashboards/dashboard.html', context={
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'widgets': rendered_widgets
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}
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)
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class BaseDashboardWidget(object):
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_registry = {}
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context = {}
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template_name = None
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@classmethod
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def get(cls, name):
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return cls._registry[name]
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@classmethod
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def get_all(cls):
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return cls._registry.items()
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@classmethod
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def register(cls, klass):
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cls._registry[klass.name] = klass
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def get_context(self):
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return self.context
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def render(self, request):
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if self.template_name:
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return loader.render_to_string(
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template_name=self.template_name, context=self.get_context(),
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)
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class DashboardWidgetNumeric(BaseDashboardWidget):
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count = 0
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icon_class = None
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label = None
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link = None
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template_name = 'dashboards/numeric_widget.html'
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def get_context(self):
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return {
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'count': self.count,
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'icon_class': self.icon_class,
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'label': self.label,
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'link': self.link,
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}
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