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Snippet embed feature starting

This commit is contained in:
Parbhat Puri 2020-03-31 22:04:05 +05:30
parent cf84e4aa4a
commit 371d1fb7c8
5 changed files with 156 additions and 6 deletions

View file

@ -2,12 +2,15 @@ from django.apps import apps
from django.template.loader import render_to_string
from draftjs_exporter.dom import DOM
from wagtail.admin.rich_text.converters.html_to_contentstate import LinkElementHandler
from wagtail.core.rich_text import LinkHandler
from wagtail.admin.rich_text.converters.contentstate_models import Entity
from wagtail.admin.rich_text.converters.html_to_contentstate import LinkElementHandler, AtomicBlockEntityElementHandler
from wagtail.core.rich_text import EmbedHandler, LinkHandler
from .utils import get_snippet_frontend_template
from .utils import get_snippet_frontend_template, get_snippet_embed_frontend_template
# Snippet Link
# Front-end conversion
class SnippetLinkHandler(LinkHandler):
identifier = "snippet"
@ -82,3 +85,77 @@ ContentstateSnippetLinkConversionRule = {
},
"to_database_format": {"entity_decorators": {"SNIPPET": snippet_link_entity}},
}
# Snippet Embed
# Front-end conversion
class SnippetEmbedHandler(EmbedHandler):
identifier = "snippet"
@classmethod
def get_instance(cls, attrs):
model = apps.get_model(attrs["data-app-name"], attrs["data-model-name"])
return model.objects.get(id=attrs["id"])
@classmethod
def get_template(cls, attrs):
return get_snippet_embed_frontend_template(
attrs["data-app-name"], attrs["data-model-name"]
)
@classmethod
def expand_db_attributes(cls, attrs):
try:
snippet_obj = cls.get_instance(attrs)
template = cls.get_template(attrs)
return render_to_string(template, {"object": snippet_obj})
except Exception:
return ""
# draft.js / contentstate conversion
def snippet_embed_entity(props):
"""
Helper to construct elements of the form
<embed embedtype="snippet" id="1"/> when converting from contentstate data
"""
elem = DOM.create_element(
"embed",
{
"embedtype": "snippet",
"id": props.get("id"),
"data-string": props.get("string"),
"data-edit-link": props.get("edit_link"),
"data-app-name": props.get("app_name"),
"data-model-name": props.get("model_name"),
}
)
return elem
class SnippetEmbedElementHandler(AtomicBlockEntityElementHandler):
"""
Rule for building a snippet entity when converting from database representation
to contentstate
"""
def create_entity(self, name, attrs, state, contentstate):
return Entity('SNIPPET-EMBED', 'IMMUTABLE', {
"embedtype": "snippet",
"id": attrs.get("id"),
"data-string": attrs.get("string"),
"data-edit-link": attrs.get("edit_link"),
"data-app-name": attrs.get("app_name"),
"data-model-name": attrs.get("model_name"),
})
ContentstateSnippetEmbedConversionRule = {
"from_database_format": {
'embed[embedtype="snippet"]': SnippetEmbedElementHandler()
},
"to_database_format": {"entity_decorators": {"SNIPPET-EMBED": snippet_embed_entity}},
}

View file

@ -11,6 +11,10 @@
const $ = global.jQuery;
const MUTABILITY = {};
MUTABILITY['SNIPPET'] = 'MUTABLE';
MUTABILITY['SNIPPET-EMBED'] = 'IMMUTABLE';
const getSnippetModelChooserConfig = () => {
let url;
let urlParams;
@ -113,7 +117,7 @@
const selection = editorState.getSelection();
const entityData = filterSnippetEntityData(entityType, data);
const mutability = 'MUTABLE';
const mutability = MUTABILITY[entityType.type];
const contentWithEntity = content.createEntity(entityType.type, mutability, entityData);
const entityKey = contentWithEntity.getLastCreatedEntityKey();
@ -177,9 +181,32 @@
});
};
const SnippetEmbed = props => {
const { entity, onRemoveEntity } = props.blockProps;
const data = entity.getData();
let icon = React.createElement(window.wagtail.components.Icon, {name: 'media'});
let label = data.string || '';
return React.createElement(TooltipEntity, {
entityKey: props.entityKey,
children: props.children,
onEdit: props.onEdit,
onRemove: props.onRemove,
icon: icon,
label: label
});
};
window.draftail.registerPlugin({
type: 'SNIPPET',
source: SnippetModalWorkflowSource,
decorator: SnippetLink,
});
window.draftail.registerPlugin({
type: 'SNIPPET-EMBED',
source: SnippetModalWorkflowSource,
block: SnippetEmbed,
});
})();

View file

@ -3,3 +3,7 @@ from wagtail.core.utils import camelcase_to_underscore
def get_snippet_frontend_template(app_name, model_name):
return "%s/%s_snippet.html" % (app_name, camelcase_to_underscore(model_name))
def get_snippet_embed_frontend_template(app_name, model_name):
return "%s/%s_snippet_embed.html" % (app_name, camelcase_to_underscore(model_name))

View file

@ -3,7 +3,7 @@ from django.template.loader import TemplateDoesNotExist, get_template
from wagtail.admin.modal_workflow import render_modal_workflow
from wagtail.snippets.models import get_snippet_models
from .utils import get_snippet_frontend_template
from .utils import get_snippet_frontend_template, get_snippet_embed_frontend_template
def choose_snippet_model(request):
@ -11,12 +11,26 @@ def choose_snippet_model(request):
# Only display those snippet models which have snippet frontend template
for snippet_model in get_snippet_models():
snippet_included = False
snippet_frontend_template = get_snippet_frontend_template(
snippet_model._meta.app_label, snippet_model._meta.model_name
)
snippet_embed_frontend_template = get_snippet_embed_frontend_template(
snippet_model._meta.app_label, snippet_model._meta.model_name
)
try:
get_template(snippet_frontend_template)
snippet_model_opts.append(snippet_model._meta)
snippet_included = True
except TemplateDoesNotExist:
pass
if not snippet_included:
try:
get_template(snippet_embed_frontend_template)
snippet_model_opts.append(snippet_model._meta)
snippet_included = True
except TemplateDoesNotExist:
pass

View file

@ -7,7 +7,10 @@ import wagtail.admin.rich_text.editors.draftail.features as draftail_features
from wagtail.core import hooks
from . import urls
from .richtext import ContentstateSnippetLinkConversionRule, SnippetLinkHandler
from .richtext import (
ContentstateSnippetLinkConversionRule, ContentstateSnippetEmbedConversionRule,
SnippetEmbedHandler, SnippetLinkHandler
)
@hooks.register("register_rich_text_features")
@ -35,6 +38,31 @@ def register_snippet_feature(features):
)
@hooks.register("register_rich_text_features")
def register_snippet_embed_feature(features):
feature_name = "snippet-embed"
type_ = "SNIPPET-EMBED"
features.register_embed_type(SnippetEmbedHandler)
features.register_editor_plugin(
"draftail",
feature_name,
draftail_features.EntityFeature(
{"type": type_, "icon": "media", "description": ugettext("Snippet Embed")},
js=[
"wagtailsnippets/js/snippet-chooser-modal.js",
"wagtail_draftail_snippet/js/snippet-model-chooser-modal.js",
"wagtail_draftail_snippet/js/wagtail_draftail_snippet.js",
],
),
)
features.register_converter_rule(
"contentstate", feature_name, ContentstateSnippetEmbedConversionRule
)
@hooks.register("insert_editor_js")
def editor_js():
return format_html(