122 lines
4.1 KiB
Python
122 lines
4.1 KiB
Python
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import json
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from django import forms
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from django.conf import settings as django_settings
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from django.contrib.staticfiles.templatetags.staticfiles import static
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from django.forms.utils import flatatt
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from django.template.loader import render_to_string
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from django.utils.safestring import mark_safe
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from django_summernote.utils import get_proper_language, using_config
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try:
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from django.urls import reverse # Django >= 2.0
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except ImportError:
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from django.core.urlresolvers import reverse
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__all__ = ['SummernoteWidget', 'SummernoteInplaceWidget']
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class SummernoteWidgetBase(forms.Textarea):
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@using_config
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def summernote_settings(self):
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lang = get_proper_language()
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summernote_settings = config.get('summernote', {}).copy()
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summernote_settings.update({
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'lang': lang,
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'url': {
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'language': static('summernote/lang/summernote-' + lang + '.min.js'),
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'upload_attachment': reverse('django_summernote-upload_attachment'),
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},
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})
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return summernote_settings
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@using_config
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def value_from_datadict(self, data, files, name):
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value = data.get(name, None)
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if value in config['empty']:
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return None
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return value
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def use_required_attribute(self, initial):
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# Contenteditable widget cannot use HTML5 validation
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return False
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def render(self, name, value, attrs=None, **kwargs):
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# Original field should be hidden
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attrs_for_textarea = attrs.copy()
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attrs_for_textarea['hidden'] = 'true'
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return super(SummernoteWidgetBase, self).render(
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name, value, attrs=attrs_for_textarea, **kwargs
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)
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def final_attr(self, attrs):
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attrs_for_final = attrs.copy()
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attrs_for_final.update(self.attrs)
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attrs_for_final.pop('id', None)
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return attrs_for_final
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class SummernoteWidget(SummernoteWidgetBase):
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def render(self, name, value, attrs=None, **kwargs):
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summernote_settings = self.summernote_settings()
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summernote_settings.update(self.attrs.get('summernote', {}))
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html = super(SummernoteWidget, self).render(
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name, value, attrs=attrs, **kwargs
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)
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context = {
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'id': attrs['id'].replace('-', '_'),
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'id_src': attrs['id'],
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'flat_attrs': flatatt(self.final_attr(attrs)),
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'settings': json.dumps(summernote_settings),
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'src': reverse('django_summernote-editor', kwargs={'id': attrs['id']}),
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# Width and height have to be pulled out to create an iframe with correct size
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'width': summernote_settings['width'],
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'height': summernote_settings['height'],
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}
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html += render_to_string('django_summernote/widget_iframe.html', context)
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return mark_safe(html)
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class SummernoteInplaceWidget(SummernoteWidgetBase):
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@using_config
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def _media(self):
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return forms.Media(
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css={
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'all': (
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(config['codemirror_css'] if 'codemirror' in config else ()) +
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config['default_css'] +
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config['css_for_inplace']
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)
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},
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js=(
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(config['codemirror_js'] if 'codemirror' in config else ()) +
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config['default_js'] +
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config['js_for_inplace']
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))
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media = property(_media)
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@using_config
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def render(self, name, value, attrs=None, **kwargs):
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summernote_settings = self.summernote_settings()
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summernote_settings.update(self.attrs.get('summernote', {}))
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html = super(SummernoteInplaceWidget, self).render(
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name, value, attrs=attrs, **kwargs
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)
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context = {
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'id': attrs['id'].replace('-', '_'),
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'id_src': attrs['id'],
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'attrs': self.final_attr(attrs),
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'config': config,
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'settings': json.dumps(summernote_settings),
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'CSRF_COOKIE_NAME': django_settings.CSRF_COOKIE_NAME,
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}
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html += render_to_string('django_summernote/widget_inplace.html', context)
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return mark_safe(html)
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