| /******************************************************************************* |
| * Copyright (c) 2013 BSI Business Systems Integration AG. |
| * 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: |
| * BSI Business Systems Integration AG - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.scout.sdk.ui.internal.extensions.codecompletion; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.jdt.core.CompletionContext; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.ui.text.java.ContentAssistInvocationContext; |
| import org.eclipse.jdt.ui.text.java.IJavaCompletionProposalComputer; |
| import org.eclipse.jdt.ui.text.java.JavaContentAssistInvocationContext; |
| import org.eclipse.jface.text.contentassist.ICompletionProposal; |
| import org.eclipse.jface.text.contentassist.IContextInformation; |
| import org.eclipse.scout.commons.CollectionUtility; |
| import org.eclipse.scout.sdk.extensions.runtime.classes.IRuntimeClasses; |
| import org.eclipse.scout.sdk.ui.internal.ScoutSdkUi; |
| import org.eclipse.scout.sdk.util.type.TypeUtility; |
| import org.eclipse.scout.sdk.util.typecache.ITypeHierarchy; |
| import org.osgi.framework.Bundle; |
| |
| /** |
| * <h3>{@link ScoutSdkProposalComputer}</h3> |
| * |
| * @author Andreas Hoegger |
| * @since 3.10.0 25.10.2013 |
| */ |
| public class ScoutSdkProposalComputer implements IJavaCompletionProposalComputer { |
| |
| @Override |
| public void sessionStarted() { |
| } |
| |
| @Override |
| public List<ICompletionProposal> computeCompletionProposals(ContentAssistInvocationContext context, IProgressMonitor monitor) { |
| Bundle bundle = Platform.getBundle(ScoutSdkUi.PLUGIN_ID); |
| if (!(context instanceof JavaContentAssistInvocationContext) || bundle == null || bundle.getState() != Bundle.ACTIVE) { |
| return CollectionUtility.emptyArrayList(); |
| } |
| |
| List<ICompletionProposal> proposals = new ArrayList<ICompletionProposal>(4); |
| try { |
| JavaContentAssistInvocationContext javaContext = (JavaContentAssistInvocationContext) context; |
| CompletionContext coreContext = javaContext.getCoreContext(); |
| if (coreContext != null && coreContext.isExtended()) { |
| IJavaElement element = coreContext.getEnclosingElement(); |
| if (TypeUtility.exists(element)) { |
| if (element.getElementType() == IJavaElement.TYPE) { |
| // don't directly use the element (AssistSourceType) because it has invalid source ranges! |
| IType declaringType = TypeUtility.getType(((IType) element).getFullyQualifiedName()); |
| |
| int startOffset = coreContext.getTokenStart(); |
| ITypeHierarchy supertypeHierarchy = TypeUtility.getSupertypeHierarchy(declaringType); |
| if (supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.ICodeType)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.ICode))) { |
| proposals.add(new CodeNewProposal(declaringType, startOffset)); |
| } |
| if (supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.ITable))) { |
| proposals.add(new ColumnNewProposal(declaringType, startOffset)); |
| } |
| if (supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.ICompositeField)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.IForm))) { |
| proposals.add(new FormFieldNewProposal(declaringType, startOffset)); |
| } |
| if (supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.IMenu)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.IDesktop)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.IDesktopExtension)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.ICalendarItemProvider)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.IPageWithNodes)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.ITree)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.ITable)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.ITreeNode)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.IValueField)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.IButton)) |
| || supertypeHierarchy.contains(TypeUtility.getType(IRuntimeClasses.IImageField))) { |
| proposals.add(new MenuNewProposal(declaringType, startOffset)); |
| } |
| } |
| } |
| } |
| } |
| catch (Exception e) { |
| ScoutSdkUi.logError("Unable to compute Scout code completion proposals.", e); |
| } |
| return proposals; |
| } |
| |
| @Override |
| public List<IContextInformation> computeContextInformation(ContentAssistInvocationContext context, IProgressMonitor monitor) { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public void sessionEnded() { |
| } |
| |
| @Override |
| public String getErrorMessage() { |
| return null; |
| } |
| } |