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package org.eclipse.wst.jsdt.web.ui.internal.contentassist;
import java.util.Arrays;
import java.util.Vector;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.wst.jsdt.web.core.internal.java.IJSPTranslation;
import org.eclipse.wst.jsdt.web.core.internal.java.JSPTranslation;
import org.eclipse.wst.jsdt.web.core.internal.java.JSPTranslationAdapter;
import org.eclipse.wst.sse.core.StructuredModelManager;
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;
public class JSDTContentAssistant extends AbstractContentAssistProcessor {
private JSDTContentAssistantProcessor fContentAssistProcessor;
private JSDTTemplateAssistProcessor fTemplateAssistProcessor;
private JSPTranslationAdapter fTranslationAdapter ;
public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer,
int documentPosition) {
Vector proposals = new Vector();
ICompletionProposal[] completionProposals;
JSDTProposalCollector theCollector = getProposalCollector(viewer, documentPosition);
/* --------- Content Assistant --------- */
getContentAssistProcessor().setProposalCollector(theCollector);
completionProposals = getContentAssistProcessor().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]);
}
protected JSDTProposalCollector getProposalCollector(ITextViewer viewer, int offset) {
JSPTranslation tran = getJSPTranslation(viewer,offset);
return new JSDTProposalCollector( tran );
}
private JSPTranslation getJSPTranslation(ITextViewer viewer, int offset){
IDOMModel xmlModel = null;
try {
xmlModel = (IDOMModel) StructuredModelManager.getModelManager().getExistingModelForRead(viewer.getDocument());
IDOMDocument xmlDoc = xmlModel.getDocument();
if (fTranslationAdapter == null) {
fTranslationAdapter = (JSPTranslationAdapter) xmlDoc.getAdapterFor(IJSPTranslation.class);
}
if (fTranslationAdapter != null) {
return fTranslationAdapter.getJSPTranslation();
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
if (xmlModel != null) {
xmlModel.releaseFromRead();
}
}
return null;
}
private JSDTContentAssistantProcessor getContentAssistProcessor() {
if (fContentAssistProcessor == null) {
fContentAssistProcessor = new JSDTContentAssistantProcessor();
}
return fContentAssistProcessor;
}
private JSDTTemplateAssistProcessor getTemplateCompletionProcessor() {
if (fTemplateAssistProcessor == null) {
fTemplateAssistProcessor = new JSDTTemplateAssistProcessor();
}
return fTemplateAssistProcessor;
}
}
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