| /******************************************************************************* |
| * Copyright (c) 2007, 2008 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 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.internal.contentassist.CustomCompletionProposal; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; |
| |
| /** |
| * |
| |
| * 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 JSDTHtmlCompletionProcessor { |
| |
| public JSDTHtmlCompletionProcessor() {} |
| |
| |
| |
| public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int offset) { |
| /* add </script if necisary */ |
| ArrayList allProposals = new ArrayList(); |
| IJsTranslation tran = getJSPTranslation(viewer); |
| int missingAtOffset = tran.getMissingTagStart(); |
| |
| return (ICompletionProposal[])allProposals.toArray(new ICompletionProposal[allProposals.size()]); |
| } |
| |
| public ICompletionProposal getEndScriptProposal(ITextViewer viewer, int offset) { |
| /* add </script if necisary */ |
| |
| IJsTranslation tran = getJSPTranslation(viewer); |
| if(tran==null) return null; |
| |
| int missingAtOffset = tran.getMissingTagStart(); |
| |
| if(offset>=missingAtOffset&& missingAtOffset>-1) { |
| |
| String allText = viewer.getDocument().get(); |
| String text = "</script>"; //$NON-NLS-1$ |
| |
| int startInTag = -1; |
| int replaceLength =0; |
| |
| for(int i=0;i<text.length() && allText.length()>offset-1;i++) { |
| if(allText.charAt(offset-1)==text.charAt(i)) { |
| startInTag = i; |
| break; |
| } |
| } |
| |
| if(startInTag==-1 ) { |
| String displayText = Messages.getString("JSDTHtmlCompletionProcessor.1"); //$NON-NLS-1$ |
| return new CustomCompletionProposal("\n" + text + "\n" ,offset,0,offset,null,displayText,null,Messages.getString("JSDTHtmlCompletionProcessor.4"),100); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| |
| String text1 = allText.substring(offset - startInTag - 1, offset).toLowerCase(); |
| String text2 = text.substring(0, startInTag+1).toLowerCase(); |
| if(startInTag>-1 && text2.compareTo(text1)==0 ) { |
| String displayText = Messages.getString("JSDTHtmlCompletionProcessor.5"); //$NON-NLS-1$ |
| return new CustomCompletionProposal(text ,offset-startInTag-1,0,text.length(),null,displayText,null,Messages.getString("JSDTHtmlCompletionProcessor.6"),100); //$NON-NLS-1$ |
| } |
| |
| } |
| |
| return null; |
| } |
| private IJsTranslation getJSPTranslation(ITextViewer viewer) { |
| IDOMModel xmlModel = null; |
| try { |
| xmlModel = (IDOMModel) StructuredModelManager.getModelManager().getExistingModelForRead(viewer.getDocument()); |
| IDOMDocument xmlDoc = xmlModel.getDocument(); |
| |
| JsTranslationAdapter fTranslationAdapter = (JsTranslationAdapter) xmlDoc.getAdapterFor(IJsTranslation.class); |
| |
| if (fTranslationAdapter != null) { |
| return fTranslationAdapter.getJsTranslation(true); |
| } |
| } catch (Exception e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } finally { |
| if (xmlModel != null) { |
| xmlModel.releaseFromRead(); |
| } |
| } |
| return null; |
| } |
| |
| } |