ActionEObjectHoverProvider.java

/**
 * Copyright (c) 2014-2017 by the respective copyright holders.
 * 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
 */
package org.eclipse.smarthome.model.script.ui.contentassist;

import org.eclipse.xtext.xbase.ui.hover.XbaseHoverProvider;

/**
 * Provides a hover with a kind of JavaDoc for an action method.
 *
 * @author Kai Kreuzer - Initial contribution and API
 *
 */
@SuppressWarnings("restriction")
public class ActionEObjectHoverProvider extends XbaseHoverProvider {

    // @Override
    // protected String getFirstLine(EObject o) {
    // if (o instanceof XFeatureCall) {
    // Method m = getActionMethod((XFeatureCall) o);
    // if(m!=null) {
    // return getActionSignature(m);
    // }
    // }
    // return super.getFirstLine(o);
    // }
    //
    // @Override
    // protected boolean hasHover(EObject o) {
    // if(o instanceof XFeatureCall) {
    // return getActionMethod((XFeatureCall) o) != null;
    // } else {
    // return super.hasHover(o);
    // }
    // }
    //
    // protected String getDocumentation(EObject o) {
    // if (o instanceof XFeatureCall) {
    // Method m = getActionMethod((XFeatureCall) o);
    // if(m!=null) {
    // return getDocumentation(m);
    // }
    // }
    // return super.getDocumentation(o);
    // }
    //
    // private String getDocumentation(Method m) {
    // ActionDoc actionDoc = m.getAnnotation(ActionDoc.class);
    // if(actionDoc!=null) {
    // StringBuilder sb = new StringBuilder();
    // sb.append("<p>   " + actionDoc.text() + "</p>");
    // if(m.getParameterTypes().length > 0) {
    // sb.append("<p><b>Parameters:</b><br>");
    // List<String> params = new ArrayList<String>();
    // for(int i = 0; i< m.getParameterTypes().length; i++) {
    // ParamDoc paramDoc = getParamDoc(m, i);
    // String paramName = paramDoc!=null ? paramDoc.name() : "p" + i;
    // params.add("   " + paramName + (StringUtils.isEmpty(paramDoc.text()) ? "" : ": " +
    // paramDoc.text()));
    // }
    // sb.append(StringUtils.join(params, "<br/>"));
    // sb.append("</p>");
    // }
    // if(!StringUtils.isEmpty(actionDoc.returns())) {
    // sb.append("<p><b>Returns:</b><br>");
    // sb.append("   " + actionDoc.returns() + "<p>");
    // }
    // return sb.toString();
    // }
    // return null;
    // }
    //
    // private Method getActionMethod(XFeatureCall call) {
    // if(call.getFeature().eContainer() instanceof JvmGenericType) {
    // JvmGenericType type = (JvmGenericType) call.getFeature().eContainer();
    // Object[] services = ScriptUIActivator.actionServiceTracker.getServices();
    // if(services!=null) {
    // for(Object service : services) {
    // ActionService actionService = (ActionService) service;
    // if(actionService.getActionClassName().equals(type.getIdentifier())) {
    // for(Method m : actionService.getActionClass().getMethods()) {
    // if(m.toString().contains((call.getFeature().getIdentifier()))) {
    // return m;
    // }
    // }
    // }
    // }
    // }
    // }
    // return null;
    // }
    //
    // private String getActionSignature(Method m) {
    // StringBuilder sb = new StringBuilder();
    // sb.append("<b>");
    // sb.append(m.getName());
    // sb.append("(");
    // List<String> params = new ArrayList<String>();
    // int i = 0;
    // for(Class<?> paramType : m.getParameterTypes()) {
    // ParamDoc paramDoc = getParamDoc(m, i);
    // String paramName = paramDoc!=null ? paramDoc.name() : "p" + i;
    // params.add(paramType.getSimpleName() + " " + paramName);
    // i++;
    // }
    // sb.append(StringUtils.join(params, ", "));
    // sb.append(") : ");
    // sb.append(m.getReturnType().getName());
    // sb.append("</b>");
    // return sb.toString();
    // }
    //
    // private ParamDoc getParamDoc(Method m, int i) {
    // Annotation[][] paramAnnotations = m.getParameterAnnotations();
    // Annotation[] annotations = paramAnnotations[i];
    // for(Annotation a : annotations) {
    // if(a instanceof ParamDoc) {
    // return (ParamDoc) a;
    // }
    // }
    // return null;
    // }

}