96 lines
3.7 KiB
Python
96 lines
3.7 KiB
Python
from django.contrib.admin import widgets as admin_widgets
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from django.forms.utils import flatatt
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from django.template.loader import get_template
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from django.utils.encoding import force_text
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from django.utils.html import conditional_escape
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from judge.widgets.mixins import CompressorWidgetMixin
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__all__ = ['PagedownWidget', 'AdminPagedownWidget',
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'MathJaxPagedownWidget', 'MathJaxAdminPagedownWidget',
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'HeavyPreviewPageDownWidget', 'HeavyPreviewAdminPageDownWidget']
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try:
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from pagedown.widgets import PagedownWidget as OldPagedownWidget
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except ImportError:
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PagedownWidget = None
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AdminPagedownWidget = None
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MathJaxPagedownWidget = None
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MathJaxAdminPagedownWidget = None
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HeavyPreviewPageDownWidget = None
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HeavyPreviewAdminPageDownWidget = None
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else:
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class PagedownWidget(CompressorWidgetMixin, OldPagedownWidget):
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# The goal here is to compress all the pagedown JS into one file.
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# We do not want any further compress down the chain, because
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# 1. we'll creating multiple large JS files to download.
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# 2. this is not a problem here because all the pagedown JS files will be used together.
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compress_js = True
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def __init__(self, *args, **kwargs):
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kwargs.setdefault('css', ('pagedown_widget.css',))
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super(PagedownWidget, self).__init__(*args, **kwargs)
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class AdminPagedownWidget(PagedownWidget, admin_widgets.AdminTextareaWidget):
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class Media:
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css = {'all': [
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'content-description.css',
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'admin/css/pagedown.css',
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]}
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js = ['admin/js/pagedown.js']
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class MathJaxPagedownWidget(PagedownWidget):
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class Media:
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js = [
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'mathjax_config.js',
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'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-AMS-MML_HTMLorMML',
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'pagedown_math.js',
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]
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class MathJaxAdminPagedownWidget(AdminPagedownWidget, MathJaxPagedownWidget):
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pass
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class HeavyPreviewPageDownWidget(PagedownWidget):
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def __init__(self, *args, **kwargs):
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kwargs.setdefault('template', 'pagedown.html')
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self.preview_url = kwargs.pop('preview')
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self.preview_timeout = kwargs.pop('preview_timeout', None)
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self.hide_preview_button = kwargs.pop('hide_preview_button', False)
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super(HeavyPreviewPageDownWidget, self).__init__(*args, **kwargs)
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def render(self, name, value, attrs=None, renderer=None):
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if value is None:
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value = ''
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final_attrs = self.build_attrs(attrs, {'name': name})
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if 'class' not in final_attrs:
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final_attrs['class'] = ''
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final_attrs['class'] += ' wmd-input'
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return get_template(self.template).render(self.get_template_context(final_attrs, value))
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def get_template_context(self, attrs, value):
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return {
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'attrs': flatatt(attrs),
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'body': conditional_escape(force_text(value)),
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'id': attrs['id'],
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'show_preview': self.show_preview,
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'preview_url': self.preview_url,
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'preview_timeout': self.preview_timeout,
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'extra_classes': 'dmmd-no-button' if self.hide_preview_button else None,
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}
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class Media:
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css = {'all': ['dmmd-preview.css']}
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js = ['dmmd-preview.js']
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class HeavyPreviewAdminPageDownWidget(AdminPagedownWidget, HeavyPreviewPageDownWidget):
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class Media:
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css = {'all': [
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'pygment-github.css',
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'table.css',
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'ranks.css',
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]}
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