Initial commit

env/lib/python3.10/site-packages/wagtail/blocks/static_block.py

@@ -0,0 +1,70 @@
+from django import forms
+from django.utils.functional import cached_property
+from django.utils.safestring import SafeString
+from django.utils.translation import gettext as _
+
+from wagtail.admin.staticfiles import versioned_static
+from wagtail.telepath import Adapter, register
+
+from .base import Block
+
+__all__ = ["StaticBlock"]
+
+
+class StaticBlock(Block):
+    """
+    A block that just 'exists' and has no fields.
+    """
+
+    def get_admin_text(self):
+        if self.meta.admin_text is None:
+            if self.label:
+                return _("%(label)s: this block has no options.") % {
+                    "label": self.label
+                }
+            else:
+                return _("This block has no options.")
+
+        return self.meta.admin_text
+
+    def value_from_datadict(self, data, files, prefix):
+        return None
+
+    def normalize(self, value):
+        return None
+
+    class Meta:
+        admin_text = None
+        default = None
+
+
+class StaticBlockAdapter(Adapter):
+    js_constructor = "wagtail.blocks.StaticBlock"
+
+    def js_args(self, block):
+        admin_text = block.get_admin_text()
+
+        if isinstance(admin_text, SafeString):
+            text_or_html = "html"
+        else:
+            text_or_html = "text"
+
+        return [
+            block.name,
+            {
+                text_or_html: admin_text,
+                "icon": block.meta.icon,
+                "label": block.label,
+            },
+        ]
+
+    @cached_property
+    def media(self):
+        return forms.Media(
+            js=[
+                versioned_static("wagtailadmin/js/telepath/blocks.js"),
+            ]
+        )
+
+
+register(StaticBlockAdapter(), StaticBlock)