Add a simple StreamBlock for setting up a map

Author: haydngreatnews

wagtailgmaps/blocks.py

@@ -0,0 +1,28 @@
+from wagtail import blocks
+from django.conf import settings
+
+from wagtailgmaps.widgets import MapInput
+
+
+class MapBlock(blocks.CharBlock):
+    class Meta:
+        icon = "site"
+        template = "wagtailgmaps/blocks/map_block.html"
+
+    def __init__(
+        self, *args, latlngMode=False, default_centre=None, zoom=None, **kwargs
+    ):
+        kwargs["form_classname"] = (
+            kwargs.get("form_classname", "") + " gmap gmap--latlng"
+        )
+        super().__init__(*args, **kwargs)
+        self.field.widget = MapInput(
+            default_centre=default_centre or settings.WAGTAIL_ADDRESS_MAP_CENTER,
+            zoom=zoom or settings.WAGTAIL_ADDRESS_MAP_ZOOM,
+            latlngMode=latlngMode,  # 'latlngMode' will always store lat & lng instead of address
+        )
+
+    def get_context(self, value, parent_context=None):
+        context = super().get_context(value, parent_context=None)
+        context["api_key"] = getattr(settings, "GOOGLE_MAPS_KEY", "")
+        return context