Fix #41 -- Drag-and-drop ticket editor

Undo/redo

Useful toolbox

Font selection

Add text content

Use hex for colors

JS-side dump and load

Save

Load layout, proper undo/redo

First steps to Python rendering

More PDF rendering

Copy and paste

Buttons for keyboard actions

Splash Screen

Block unbeforeunload in dirty state

Remove debugging output

Preview

Upload new PDFs via the editor

Fix bugs during PDF reload, link in settings form

New default ticket

Add OpenSans BI

Custom fonts, fix tests

src/pretix/plugins/ticketoutputpdf/signals.py

@@ -1,9 +1,56 @@
-from django.dispatch import receiver
+from django.dispatch import Signal, receiver
+from django.template.loader import get_template
+from django.urls import resolve
 
 from pretix.base.signals import register_ticket_outputs
+from pretix.control.signals import html_head
 
 
 @receiver(register_ticket_outputs, dispatch_uid="output_pdf")
 def register_ticket_outputs(sender, **kwargs):
     from .ticketoutput import PdfTicketOutput
     return PdfTicketOutput
+
+
+@receiver(html_head, dispatch_uid="ticketoutputpdf_html_head")
+def html_head_presale(sender, request=None, **kwargs):
+    url = resolve(request.path_info)
+    if url.namespace == 'plugins:ticketoutputpdf':
+        template = get_template('pretixplugins/ticketoutputpdf/control_head.html')
+        return template.render({
+            'request': request
+        })
+    else:
+        return ""
+
+
+register_fonts = Signal()
+"""
+Return a dictionaries of the following structure. Paths should be relative to static root.
+
+{
+    "font name": {
+        "regular": {
+            "truetype": "….ttf",
+            "woff": "…",
+            "woff2": "…"
+        },
+        "bold": {
+            ...
+        },
+        "italic": {
+            ...
+        },
+        "bolditalic": {
+            ...
+        }
+    }
+}
+"""
+
+
+def get_fonts():
+    f = {}
+    for recv, value in register_fonts.send(0):
+        f.update(value)
+    return f