Add custom XSD completions (to implement with xsi:) (see #163)

org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/extensions/xsd/XSDCompletionParticipant.java

@@ -0,0 +1,29 @@
+/**
+ *  Copyright (c) 2018 Angelo ZERR.
+ *  All rights reserved. This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ *
+ *  Contributors:
+ *  Angelo Zerr <[email protected]> - initial API and implementation
+ */
+package org.eclipse.lsp4xml.extensions.xsd;
+
+import org.eclipse.lsp4j.Range;
+import org.eclipse.lsp4xml.services.extensions.CompletionParticipantAdapter;
+import org.eclipse.lsp4xml.services.extensions.ICompletionRequest;
+import org.eclipse.lsp4xml.services.extensions.ICompletionResponse;
+
+/**
+ * XSD completion for xs:
+ *
+ */
+public class XSDCompletionParticipant extends CompletionParticipantAdapter {
+
+	@Override
+	public void onAttributeName(boolean generateValue, Range fullRange, ICompletionRequest request,
+			ICompletionResponse response) throws Exception {
+		// TODO: manage xsi: completions
+	}
+}

org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/extensions/xsd/XSDPlugin.java

@@ -11,6 +11,7 @@
 package org.eclipse.lsp4xml.extensions.xsd;
 
 import org.eclipse.lsp4j.InitializeParams;
+import org.eclipse.lsp4xml.services.extensions.ICompletionParticipant;
 import org.eclipse.lsp4xml.services.extensions.IXMLExtension;
 import org.eclipse.lsp4xml.services.extensions.XMLExtensionsRegistry;
 import org.eclipse.lsp4xml.uriresolver.URIResolverExtensionManager;
@@ -20,8 +21,13 @@
  */
 public class XSDPlugin implements IXMLExtension {
 
+	private final ICompletionParticipant completionParticipant;
+
 	private XSDURIResolverExtension uiResolver;
 
+	public XSDPlugin() {
+		completionParticipant = new XSDCompletionParticipant();
+	}
 	@Override
 	public void updateSettings(Object settings) {
 
@@ -31,10 +37,12 @@ public void updateSettings(Object settings) {
 	public void start(InitializeParams params, XMLExtensionsRegistry registry) {
 		uiResolver = new XSDURIResolverExtension(registry.getDocumentProvider());
 		URIResolverExtensionManager.getInstance().registerResolver(uiResolver);
+		registry.registerCompletionParticipant(completionParticipant);
 	}
 
 	@Override
 	public void stop(XMLExtensionsRegistry registry) {
 		URIResolverExtensionManager.getInstance().unregisterResolver(uiResolver);
+		registry.unregisterCompletionParticipant(completionParticipant);
 	}
 }