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Add signals global_html_head, global_html_page_header, and global_html_footer

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This commit is contained in:
Raphael Michel
2020-07-29 18:29:44 +02:00
parent 80b6a3d27d
commit 4c77e2f16e
3 changed files with 46 additions and 2 deletions
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2
doc/development/api/general.rst
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@@ -33,7 +33,7 @@ Frontend
-------- --------
.. automodule:: pretix.presale.signals .. automodule:: pretix.presale.signals
:members: html_head, html_footer, footer_link, front_page_top, front_page_bottom, front_page_bottom_widget, fee_calculation_for_cart, contact_form_fields, question_form_fields, checkout_confirm_messages, checkout_confirm_page_content, checkout_all_optional, html_page_header, sass_preamble, sass_postamble, render_seating_plan, checkout_flow_steps, position_info, position_info_top, item_description :members: html_head, html_footer, footer_link, front_page_top, front_page_bottom, front_page_bottom_widget, fee_calculation_for_cart, contact_form_fields, question_form_fields, checkout_confirm_messages, checkout_confirm_page_content, checkout_all_optional, html_page_header, sass_preamble, sass_postamble, render_seating_plan, checkout_flow_steps, position_info, position_info_top, item_description, global_html_head, globla_html_footer, global_html_page_header
.. automodule:: pretix.presale.signals .. automodule:: pretix.presale.signals

11
src/pretix/presale/context.py
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@@ -12,7 +12,10 @@ from pretix.helpers.i18n import (
get_javascript_format_without_seconds, get_moment_locale, get_javascript_format_without_seconds, get_moment_locale,
) )
from .signals import footer_link, html_footer, html_head, html_page_header from .signals import (
footer_link, global_html_footer, global_html_head, global_html_page_header,
html_footer, html_head, html_page_header,
)
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)
@@ -56,12 +59,18 @@ def _default_context(request):
ctx['footer_text'] = str(text) ctx['footer_text'] = str(text)
if hasattr(request, 'event') and get_scope(): if hasattr(request, 'event') and get_scope():
for receiver, response in global_html_head.send(None, request=request):
_html_head.append(response)
for receiver, response in html_head.send(request.event, request=request): for receiver, response in html_head.send(request.event, request=request):
_html_head.append(response) _html_head.append(response)
for receiver, response in global_html_page_header.send(None, request=request):
_html_page_header.append(response)
for receiver, response in html_page_header.send(request.event, request=request): for receiver, response in html_page_header.send(request.event, request=request):
_html_page_header.append(response) _html_page_header.append(response)
for receiver, response in html_footer.send(request.event, request=request): for receiver, response in html_footer.send(request.event, request=request):
_html_foot.append(response) _html_foot.append(response)
for receiver, response in global_html_footer.send(None, request=request):
_html_foot.append(response)
for receiver, response in footer_link.send(request.event, request=request): for receiver, response in footer_link.send(request.event, request=request):
if isinstance(response, list): if isinstance(response, list):
_footer += response _footer += response

35
src/pretix/presale/signals.py
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@@ -1,5 +1,40 @@
from django.dispatch import Signal
from pretix.base.signals import EventPluginSignal from pretix.base.signals import EventPluginSignal
global_html_head = Signal(
providing_args=["request"]
)
"""
This signal allows you to put code inside the HTML ``<head>`` tag
of every page in the frontend. You will get the request as the keyword argument
``request`` and are expected to return plain HTML.
This signal is called regardless of whether your plugin is active for all pages of the system.
"""
global_html_page_header = Signal(
providing_args=["request"]
)
"""
This signal allows you to put code right in the beginning of the HTML ``<body>`` tag
of every page in the frontend. You will get the request as the keyword argument
``request`` and are expected to return plain HTML.
This signal is called regardless of whether your plugin is active for all pages of the system.
"""
global_html_footer = Signal(
providing_args=["request"]
)
"""
This signal allows you to put code before the end of the HTML ``<body>`` tag
of every page in the frontend. You will get the request as the keyword argument
``request`` and are expected to return plain HTML.
This signal is called regardless of whether your plugin is active for all pages of the system.
"""
html_head = EventPluginSignal( html_head = EventPluginSignal(
providing_args=["request"] providing_args=["request"]
) )