change(policy): added styling schema as a block enhancer useful for s…

…everal packages

src/components/Blocks/schema.js

@@ -0,0 +1,50 @@
+import { cloneDeep } from 'lodash';
+import imageFitSVG from '@eeacms/volto-eea-website-policy/components/Blocks/icons/image-narrow.svg';
+import imageWideSVG from '@plone/volto/icons/image-wide.svg';
+import imageFullSVG from '@plone/volto/icons/image-full.svg';
+
+const ALIGN_INFO_MAP = {
+  narrow_width: [imageFitSVG, 'Narrow width'],
+  container_width: [imageFitSVG, 'Container width'],
+  wide_width: [imageWideSVG, 'Wide width'],
+  full: [imageFullSVG, 'Full width'],
+};
+
+export const addStylingFieldsetSchemaEnhancer = ({ schema }) => {
+  const applied = schema?.properties?.styles;
+
+  if (!applied) {
+    const resSchema = cloneDeep(schema);
+
+    resSchema.fieldsets.push({
+      id: 'styling',
+      fields: ['styles'],
+      title: 'Styling',
+    });
+    resSchema.properties.styles = {
+      widget: 'object',
+      title: 'Styling',
+      schema: {
+        fieldsets: [
+          {
+            id: 'default',
+            title: 'Default',
+            fields: ['size'],
+          },
+        ],
+        properties: {
+          size: {
+            widget: 'style_align',
+            title: 'Section size',
+            actions: Object.keys(ALIGN_INFO_MAP),
+            actionsInfoMap: ALIGN_INFO_MAP,
+          },
+        },
+        required: [],
+      },
+    };
+    return resSchema;
+  }
+
+  return schema;
+};

src/index.js

@@ -1,6 +1,7 @@
 import { runtimeConfig } from '@plone/volto/runtime_config';
 import installCallout from '@plone/volto-slate/editor/plugins/Callout';
 import installContextNavigationBlock from '@eeacms/volto-eea-website-policy/components/Blocks/ContextNavigation';
+import { addStylingFieldsetSchemaEnhancer } from '@eeacms/volto-eea-website-policy/components/Blocks/schema';
 
 const applyConfig = (config) => {
   // if (process.env.NODE_ENV === 'production') {
@@ -90,6 +91,7 @@ const applyConfig = (config) => {
   // Columns
   if (config.blocks.blocksConfig.columnsBlock) {
     config.blocks.blocksConfig.columnsBlock.mostUsed = true;
+    config.blocks.blocksConfig.columnsBlock.schemaEnhancer = addStylingFieldsetSchemaEnhancer;
   }
 
   // Accordion