content: /**
   *  Copyright (c) 2015-2017 Angelo ZERR.
   *  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:
   *  Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation
   */
  package ts.eclipse.jface.text.contentassist;
  
  import org.eclipse.jface.text.IDocument;
  import org.eclipse.jface.text.TextViewer;
  import org.eclipse.jface.text.contentassist.BoldStylerProvider;
  import org.eclipse.jface.text.contentassist.ICompletionProposal;
  import org.eclipse.jface.text.contentassist.ICompletionProposalExtension7;
  import org.eclipse.jface.viewers.StyledString;
  
  import ts.client.ITypeScriptServiceClient;
  import ts.client.completions.ICompletionEntryMatcher;
  
  /**
   * {@link ICompletionProposal} implementation with TypeScript completion entry
   * by implementing Neon {@link ICompletionProposalExtension7}.
   */
  public class TypeScriptCompletionProposalWithExtension7 extends TypeScriptCompletionProposal
  		implements ICompletionProposalExtension7 {
  
  	public TypeScriptCompletionProposalWithExtension7(ICompletionEntryMatcher matcher, String fileName, int line,
  			int offset, ITypeScriptServiceClient client, int position, String prefix, TextViewer textViewer) {
  		super(matcher, fileName, line, offset, client, position, prefix, textViewer);
  	}
  
  	@Override
  	public StyledString getStyledDisplayString(IDocument document, int offset, BoldStylerProvider boldStylerProvider) {
  		// Highlight matched prefix
  		StyledString styledDisplayString = new StyledString();
  		styledDisplayString.append(getStyledDisplayString());
  
  		String pattern = getPatternToEmphasizeMatch(document, offset);
  		if (pattern != null && pattern.length() > 0) {
  			String displayString = styledDisplayString.getString();
  			int[] bestSequence = getMatcher().bestSubsequence(displayString, pattern);
  			int highlightAdjustment = 0;
  			for (int index : bestSequence) {
  				styledDisplayString.setStyle(index + highlightAdjustment, 1, boldStylerProvider.getBoldStyler());
  			}
  		}
  		return styledDisplayString;
  	}
  
  }
  