| /******************************************************************************* |
| * Copyright (c) 2007, 2010 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.jsdt.web.ui.internal.contentassist; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Vector; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.text.ITextViewer; |
| import org.eclipse.jface.text.contentassist.ICompletionProposal; |
| import org.eclipse.wst.jsdt.web.core.javascript.IJsTranslation; |
| import org.eclipse.wst.jsdt.web.core.javascript.JsTranslationAdapter; |
| import org.eclipse.wst.sse.core.StructuredModelManager; |
| import org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext; |
| import org.eclipse.wst.sse.ui.contentassist.ICompletionProposalComputer; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; |
| import org.eclipse.wst.xml.ui.internal.contentassist.AbstractContentAssistProcessor; |
| /** |
| * |
| |
| * Provisional API: This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| */ |
| public class JSDTContentAssistant extends AbstractContentAssistProcessor implements ICompletionProposalComputer { |
| private JSDTContentAssistantProcessor fContentAssistProcessor; |
| private JSDTTemplateAssistProcessor fTemplateAssistProcessor; |
| private JSDTHtmlCompletionProcessor fHhtmlcomp; |
| |
| public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentPosition) { |
| Vector proposals = new Vector(); |
| ICompletionProposal[] completionProposals; |
| ICompletionProposal endScript = getHtmlContentAssistProcessor().getEndScriptProposal(viewer, documentPosition); |
| if(endScript!=null) { |
| return new ICompletionProposal[] {endScript}; |
| //proposals.add(endScript); |
| } |
| JSDTProposalCollector theCollector = getProposalCollector(viewer, documentPosition); |
| /* add end script tag if needed */ |
| |
| /* --------- Content Assistant --------- */ |
| if(theCollector==null) return new ICompletionProposal[0]; |
| |
| getContentAssistProcessor().setProposalCollector(theCollector); |
| completionProposals = getContentAssistProcessor().computeCompletionProposals(viewer, documentPosition); |
| proposals.addAll(Arrays.asList(completionProposals)); |
| /* HTML Proposals */ |
| completionProposals = getHtmlContentAssistProcessor().computeCompletionProposals(viewer, documentPosition); |
| proposals.addAll(Arrays.asList(completionProposals)); |
| /* --------- template completions --------- */ |
| getTemplateCompletionProcessor().setProposalCollector(theCollector); |
| completionProposals = getTemplateCompletionProcessor().computeCompletionProposals(viewer, documentPosition); |
| proposals.addAll(Arrays.asList(completionProposals)); |
| return (ICompletionProposal[]) proposals.toArray(new ICompletionProposal[0]); |
| } |
| |
| private JSDTHtmlCompletionProcessor getHtmlContentAssistProcessor() { |
| if (fHhtmlcomp == null) { |
| fHhtmlcomp = new JSDTHtmlCompletionProcessor(); |
| } |
| return fHhtmlcomp; |
| } |
| |
| private JSDTContentAssistantProcessor getContentAssistProcessor() { |
| if (fContentAssistProcessor == null) { |
| fContentAssistProcessor = new JSDTContentAssistantProcessor(); |
| } |
| return fContentAssistProcessor; |
| } |
| private IJsTranslation getJSPTranslation(ITextViewer viewer, int offset) { |
| IDOMModel xmlModel = null; |
| try { |
| xmlModel = (IDOMModel) StructuredModelManager.getModelManager().getExistingModelForRead(viewer.getDocument()); |
| IDOMDocument xmlDoc = xmlModel.getDocument(); |
| |
| JsTranslationAdapter translationAdapter = (JsTranslationAdapter) xmlDoc.getAdapterFor(IJsTranslation.class); |
| |
| if (translationAdapter != null) { |
| return translationAdapter.getJsTranslation(true); |
| } |
| } catch (Exception e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } finally { |
| if (xmlModel != null) { |
| xmlModel.releaseFromRead(); |
| } |
| } |
| return null; |
| } |
| |
| protected JSDTProposalCollector getProposalCollector(ITextViewer viewer, int offset) { |
| IJsTranslation tran = getJSPTranslation(viewer, offset); |
| if(tran==null) return null; |
| return new JSDTProposalCollector(tran); |
| } |
| |
| private JSDTTemplateAssistProcessor getTemplateCompletionProcessor() { |
| if (fTemplateAssistProcessor == null) { |
| fTemplateAssistProcessor = new JSDTTemplateAssistProcessor(); |
| } |
| return fTemplateAssistProcessor; |
| } |
| |
| public void sessionStarted() { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| public List computeCompletionProposals( |
| CompletionProposalInvocationContext context, |
| IProgressMonitor monitor) { |
| Vector proposals = new Vector(); |
| ICompletionProposal[] completionProposals; |
| ICompletionProposal endScript = getHtmlContentAssistProcessor().getEndScriptProposal(context.getViewer(), context.getInvocationOffset()); |
| if(endScript!=null) { |
| return new ArrayList(0); |
| //proposals.add(endScript); |
| } |
| JSDTProposalCollector theCollector = getProposalCollector(context.getViewer(), context.getInvocationOffset()); |
| /* add end script tag if needed */ |
| |
| /* --------- Content Assistant --------- */ |
| if(theCollector==null) return new ArrayList(0); |
| |
| getContentAssistProcessor().setProposalCollector(theCollector); |
| completionProposals = getContentAssistProcessor().computeCompletionProposals(context.getViewer(), context.getInvocationOffset()); |
| proposals.addAll(Arrays.asList(completionProposals)); |
| /* HTML Proposals */ |
| completionProposals = getHtmlContentAssistProcessor().computeCompletionProposals(context.getViewer(), context.getInvocationOffset()); |
| proposals.addAll(Arrays.asList(completionProposals)); |
| /* --------- template completions --------- */ |
| getTemplateCompletionProcessor().setProposalCollector(theCollector); |
| completionProposals = getTemplateCompletionProcessor().computeCompletionProposals(context.getViewer(), context.getInvocationOffset()); |
| proposals.addAll(Arrays.asList(completionProposals)); |
| return proposals; |
| } |
| |
| public List computeContextInformation( |
| CompletionProposalInvocationContext context, |
| IProgressMonitor monitor) { |
| return Arrays.asList(computeContextInformation(context.getViewer(), context.getInvocationOffset())); |
| } |
| |
| public void sessionEnded() { |
| fContentAssistProcessor = null; |
| fTemplateAssistProcessor = null; |
| fHhtmlcomp = null; |
| } |
| } |