Add proposals for facet names

jsf/plugins/org.eclipse.jst.jsf.core/plugin.xml

@@ -431,6 +431,9 @@
       <attributeValueRuntimeType
             class="org.eclipse.jst.jsf.taglibprocessing.attributevalues.TimeZoneType"
             id="attributevalues.TimeZoneType"/>
+      <attributeValueRuntimeType
+            class="org.eclipse.jst.jsf.taglibprocessing.attributevalues.FacetNameType"
+            id="attributevalues.FacetNameType"/>  
       <attributeValueRuntimeType
             class="org.eclipse.jst.jsf.taglibprocessing.attributevalues.DateTimePatternType"
             id="attributevalues.DateTimePatternType"/>  

jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/metadataprocessors/AbstractMetaDataEnabledFeature.java

@@ -177,7 +177,7 @@ private Trait getTraitForEntityUsingContext(final String traitName) {
 		return query.getQueryHelper().getTrait(entity, traitName);
 	}
 
-	private IMetaDataDomainContext getMetaDataDomainContext() {
+	protected IMetaDataDomainContext getMetaDataDomainContext() {
 		final IFile file = getFile2();
 		if (file != null)
 		{

jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/taglibprocessing/attributevalues/FacetNameType.java

@@ -0,0 +1,83 @@
+package org.eclipse.jst.jsf.taglibprocessing.attributevalues;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.jst.jsf.common.metadata.Entity;
+import org.eclipse.jst.jsf.common.metadata.Trait;
+import org.eclipse.jst.jsf.common.metadata.internal.IMetaDataDomainContext;
+import org.eclipse.jst.jsf.common.metadata.internal.TraitValueHelper;
+import org.eclipse.jst.jsf.common.metadata.query.internal.IMetaDataQuery;
+import org.eclipse.jst.jsf.common.metadata.query.internal.MetaDataQueryContextFactory;
+import org.eclipse.jst.jsf.common.metadata.query.internal.MetaDataQueryFactory;
+import org.eclipse.jst.jsf.context.resolver.structureddocument.IDOMContextResolver;
+import org.eclipse.jst.jsf.context.resolver.structureddocument.IStructuredDocumentContextResolverFactory;
+import org.eclipse.wst.xml.core.internal.provisional.document.IDOMAttr;
+import org.w3c.dom.Node;
+
+/**
+ * Meta-data processing type representing a facet name type.
+ * 
+ * <p><b>Provisional API - subject to change</b></p>
+ * 
+ */
+
+public class FacetNameType extends StringType {
+	/**
+	 * Default name of property in annotation file to use when supplying facet name values from meta-data 
+	 */
+	public static final String VALID_FACET_NAMES = "valid-facets"; //$NON-NLS-1$
+
+	private List<String> values;
+
+	private List<String> getFacetNameCandidats() {
+		synchronized (this) {
+			if (values != null) {
+				return values;
+			}
+			values = Collections.emptyList();
+			if (getStructuredDocumentContext() == null) {
+				return values;
+			}
+			IDOMContextResolver resolver = IStructuredDocumentContextResolverFactory.INSTANCE.getDOMContextResolver(getStructuredDocumentContext());
+			if (resolver == null) {
+				return values;
+			}
+			Node aNode = resolver.getNode();
+			if (!(aNode instanceof IDOMAttr)) {
+				return values;
+			}
+			Node parentNode = ((IDOMAttr)aNode).getOwnerElement().getParentNode();
+			if (parentNode == null) {
+				return values;
+			}
+			IMetaDataDomainContext context 	= MetaDataQueryContextFactory.getInstance().createTaglibDomainModelContext(getProject2());
+			IMetaDataQuery query = MetaDataQueryFactory.getInstance().createQuery(context);
+			Entity parentEntity = query.getQueryHelper().getEntity(parentNode.getNamespaceURI(), parentNode.getLocalName());
+			if (parentEntity == null) {
+				return values;
+			}
+			EList<Trait> parentEntityTraits = parentEntity.getTraits();
+			if (parentEntityTraits.isEmpty()) {
+				return values;
+			}
+			Trait facetsTrait = parentEntityTraits.stream().filter(trait -> Objects.equals(trait.getId(), VALID_FACET_NAMES)).findFirst().orElse(null);
+			if (facetsTrait != null) {
+				values = TraitValueHelper.getValueAsListOfStrings(facetsTrait);
+			}
+			return values;
+		}
+	}
+
+	@Override
+	protected List getMDValidValues() {
+		return getFacetNameCandidats();
+	}
+
+	@Override
+	protected List getMDPossibleValues() {
+		return getFacetNameCandidats();
+	}
+}

jsf/plugins/org.eclipse.jst.jsf.standard.tagsupport/metadata/jsf_core.xml

@@ -333,6 +333,11 @@
 				<section id="name"/>
 			</value>
 		</trait>
+		<entity id="name">
+			<trait id="attribute-value-runtime-type">
+				<value xsi:type="mdt:StringValue">org.eclipse.jst.jsf.core.attributevalues.FacetNameType</value>
+			</trait>
+		</entity>
 	</entity>
 	<entity id="loadBundle" type="tag">
 		<trait id="quick-edit-tab">