def handle_starttag(self, name, attrs, state, contentstate):
if state.current_block is None:
# Inline entity element encountered at the top level -
# start a new paragraph block to contain it
block = Block('unstyled', depth=state.list_depth)
contentstate.blocks.append(block)
state.current_block = block
state.leading_whitespace = STRIP_WHITESPACE
if state.leading_whitespace == FORCE_WHITESPACE:
# any pending whitespace should be output before handling this tag,
# and subsequent whitespace should be collapsed into it (= stripped)
state.current_block.text += ' '
state.leading_whitespace = STRIP_WHITESPACE
# convert attrs from a list of (name, value) tuples to a dict
# for get_attribute_data to work with
attrs = dict(attrs)
entity = Entity(self.entity_type, self.mutability,
self.get_attribute_data(attrs))
key = contentstate.add_entity(entity)
entity_range = EntityRange(key)
entity_range.offset = len(state.current_block.text)
state.current_block.entity_ranges.append(entity_range)
state.current_entity_ranges.append(entity_range)
def create_entity(self, name, attrs, state, contentstate):
return Entity('SNIPPET-EMBED', 'IMMUTABLE', {
"id": attrs.get("id"),
"string": attrs.get("data-string"),
"edit_link": attrs.get("data-edit-link"),
"app_name": attrs.get("data-app-name"),
"model_name": attrs.get("data-model-name"),
})
def create_entity(self, name, attrs, state, contentstate):
"""
Format a custom image entity out of database HTML into the Draft.js ContentState format.
"""
return Entity(
'NEWS-IMAGE', 'MUTABLE', {
'id': attrs.get('id'),
'title': attrs.get('title'),
'alt': attrs.get('alt'),
'href': attrs.get('href'),
'width': attrs.get('width'),
})
def create_entity(self, name, attrs, state, contentstate):
try:
embed_obj = embeds.get_embed(attrs["url"])
embed_data = {
"embedType": embed_obj.type,
"url": embed_obj.url,
"providerName": embed_obj.provider_name,
"authorName": embed_obj.author_name,
"thumbnail": embed_obj.thumbnail_url,
"title": embed_obj.title,
}
except EmbedException:
embed_data = {"url": attrs["url"]}
return Entity("EMBED", "IMMUTABLE", embed_data)
def create_entity(self, name, attrs, state, contentstate):
try:
embed_obj = embeds.get_embed(attrs['url'])
embed_data = {
'embedType': embed_obj.type,
'url': embed_obj.url,
'providerName': embed_obj.provider_name,
'authorName': embed_obj.author_name,
'thumbnail': embed_obj.thumbnail_url,
'title': embed_obj.title,
}
except EmbedException:
embed_data = {'url': attrs['url']}
return Entity('EMBED', 'IMMUTABLE', embed_data)
def create_entity(self, name, attrs, state, contentstate):
Image = get_image_model()
try:
image = Image.objects.get(id=attrs['id'])
image_format = get_image_format(attrs['format'])
rendition = get_rendition_or_not_found(image, image_format.filter_spec)
src = rendition.url
except Image.DoesNotExist:
src = ''
return Entity('IMAGE', 'IMMUTABLE', {
'id': attrs['id'],
'src': src,
'alt': attrs.get('alt'),
'format': attrs['format']
})
def create_entity(self, name, attrs, state, contentstate):
Media = get_media_model()
try:
media = Media.objects.get(id=attrs['id'])
except Media.DoesNotExist:
media = None
return Entity(
'MEDIA', 'IMMUTABLE', {
'id': attrs['id'],
'title': media.title,
'type': media.type,
'thumbnail': media.thumbnail.url if media.thumbnail else '',
'file': media.file.url if media.file else '',
'autoplay': True if attrs.get('autoplay') == 'true' else False,
'loop': True if attrs.get('loop') == 'true' else False,
'mute': True if attrs.get('mute') == 'true' else False
})
def handle_starttag(self, name, attrs, state, contentstate):
assert state.current_block is not None, "%s element found at the top level" % name
if state.leading_whitespace == FORCE_WHITESPACE:
# any pending whitespace should be output before handling this tag,
# and subsequent whitespace should be collapsed into it (= stripped)
state.current_block.text += ' '
state.leading_whitespace = STRIP_WHITESPACE
# convert attrs from a list of (name, value) tuples to a dict
# for get_attribute_data to work with
attrs = dict(attrs)
entity = Entity(self.entity_type, self.mutability, self.get_attribute_data(attrs))
key = contentstate.add_entity(entity)
entity_range = EntityRange(key)
entity_range.offset = len(state.current_block.text)
state.current_block.entity_ranges.append(entity_range)
state.current_entity_ranges.append(entity_range)
def create_entity(self, name, attrs, state, contentstate):
Image = get_image_model()
try:
image = Image.objects.get(id=attrs["id"])
image_format = get_image_format(attrs["format"])
rendition = get_rendition_or_not_found(image,
image_format.filter_spec)
src = rendition.url
except Image.DoesNotExist:
src = ""
return Entity(
"IMAGE",
"IMMUTABLE",
{
"id": attrs["id"],
"src": src,
"alt": attrs.get("alt"),
"format": attrs["format"],
},
)
def create_entity(self, name, attrs, state, contentstate):
return Entity('HORIZONTAL_RULE', 'IMMUTABLE', {})
def create_entity(self, name, attrs, state, contentstate):
return Entity('KATEX', 'IMMUTABLE', {
'text': attrs['data-katex-text'],
})
