Clientlib changes

Author: Muskan Gupta

bundles/af-core/src/main/java/com/adobe/cq/forms/core/components/internal/constants/ThemeConstants.java

@@ -0,0 +1,26 @@
+package com.adobe.cq.forms.core.components.internal.constants;
+
+/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+  ~ Copyright 2024 Adobe
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
+
+public class ThemeConstants {
+
+    public static final String RELATIVE_PATH_METADATA = "/metadata";
+    public static final String THEME_OVERRIDE = "themeOverride";
+    public static final String THEME_REF = "themeRef";
+    public static final String PROPERTY_CLIENTLIB_CATEGORY = "clientlibCategory";
+
+}

bundles/af-core/src/main/java/com/adobe/cq/forms/core/components/internal/form/FormStructureParserImpl.java

@@ -18,8 +18,10 @@
 import java.io.StringWriter;
 import java.io.Writer;
 
+import org.apache.commons.lang3.StringUtils;
 import org.apache.sling.api.SlingHttpServletRequest;
 import org.apache.sling.api.resource.Resource;
+import org.apache.sling.api.resource.ValueMap;
 import org.apache.sling.models.annotations.Model;
 import org.apache.sling.models.annotations.injectorspecific.InjectionStrategy;
 import org.apache.sling.models.annotations.injectorspecific.SlingObject;
@@ -28,6 +30,8 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.adobe.aemds.guide.service.GuideException;
+import com.adobe.cq.forms.core.components.internal.constants.ThemeConstants;
 import com.adobe.cq.forms.core.components.models.form.FormContainer;
 import com.adobe.cq.forms.core.components.models.form.FormStructureParser;
 import com.adobe.cq.forms.core.components.models.form.HtlUtil;
@@ -60,6 +64,36 @@ public String getClientLibRefFromFormContainer() {
         return getPropertyFromFormContainer(resource, FormContainer.PN_CLIENT_LIB_REF);
     }
 
+    @Override
+    public String getThemeClientLibRefFromFormContainer() {
+        String themeContentPath = null;
+        String themeClientLibRef = null;
+        if (request != null) {
+            themeContentPath = (String) request.getAttribute(ThemeConstants.THEME_OVERRIDE); // theme editor use-case
+        }
+        if (StringUtils.isBlank(themeContentPath)) {
+            if (request != null) {
+                themeContentPath = request.getParameter(ThemeConstants.THEME_OVERRIDE); // embed component use-case
+            }
+            if (StringUtils.isBlank(themeContentPath)) {
+                themeContentPath = getPropertyFromFormContainer(resource, ThemeConstants.THEME_REF); // normal including theme in form
+                                                                                                     // runtime
+            }
+        }
+        // get client library from theme content path
+        if (StringUtils.isNotBlank(themeContentPath)) {
+            Resource themeResource = resource.getResourceResolver().getResource(themeContentPath + ThemeConstants.RELATIVE_PATH_METADATA);
+            if (themeResource != null) {
+                ValueMap themeProps = themeResource.getValueMap();
+                themeClientLibRef = themeProps.get(ThemeConstants.PROPERTY_CLIENTLIB_CATEGORY, "");
+            } else {
+                throw new GuideException("Invalid Theme Name " + themeContentPath);
+            }
+        }
+
+        return themeClientLibRef;
+    }
+
     @Override
     public Boolean containsFormContainer() {
         return containsFormContainer(resource);

bundles/af-core/src/main/java/com/adobe/cq/forms/core/components/models/form/FormStructureParser.java

@@ -37,6 +37,12 @@ public interface FormStructureParser {
      */
     String getClientLibRefFromFormContainer();
 
+    /**
+     *
+     * @returns reference to the client lib of the theme from form container
+     */
+    String getThemeClientLibRefFromFormContainer();
+
     /**
      * Checks if this resource contains a form container
      *

ui.af.apps/src/main/content/jcr_root/apps/core/fd/components/page/v1/page/customheaderlibs.html

@@ -14,9 +14,13 @@
   ~ limitations under the License.
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/-->
 <sly data-sly-use.clientlib="core/wcm/components/commons/v1/templates/clientlib.html"
-     data-sly-use.formstructparser="com.adobe.cq.forms.core.components.models.form.FormStructureParser"
-     data-sly-test.clientLibRef="${formstructparser.clientLibRefFromFormContainer}">
-    <sly data-sly-test="${clientLibRef}" data-sly-call="${clientlib.css @ categories=clientLibRef}"/>
+     data-sly-use.formstructparser="com.adobe.cq.forms.core.components.models.form.FormStructureParser">
+    <sly data-sly-test.clientLibRef="${formstructparser.clientLibRefFromFormContainer}">
+        <sly data-sly-call="${clientlib.css @ categories=clientLibRef}"/>
+    </sly>
+    <sly data-sly-test.clientLibRefTheme="${formstructparser.themeClientLibRefFromFormContainer}">
+        <sly data-sly-call="${clientlib.css @ categories=clientLibRefTheme}"/>
+    </sly>
 </sly>
 <sly data-sly-use.clientlib="core/wcm/components/commons/v1/templates/clientlib.html">
     <!-- Loading runtime css in authoring -->