content: /*******************************************************************************
   * Copyright (c) 2000, 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.internal.ui.search;
  
  import org.eclipse.core.resources.IFile;
  import org.eclipse.core.resources.IResource;
  import org.eclipse.jface.resource.ImageDescriptor;
  import org.eclipse.search.ui.ISearchQuery;
  import org.eclipse.search.ui.text.AbstractTextSearchResult;
  import org.eclipse.search.ui.text.IEditorMatchAdapter;
  import org.eclipse.search.ui.text.IFileMatchAdapter;
  import org.eclipse.search.ui.text.Match;
  import org.eclipse.ui.IEditorInput;
  import org.eclipse.ui.IEditorPart;
  import org.eclipse.ui.IFileEditorInput;
  import org.eclipse.wst.jsdt.core.IClassFile;
  import org.eclipse.wst.jsdt.core.IJavaScriptElement;
  import org.eclipse.wst.jsdt.core.JavaScriptModelException;
  import org.eclipse.wst.jsdt.internal.ui.JavaPluginImages;
  import org.eclipse.wst.jsdt.internal.ui.javaeditor.IClassFileEditorInput;
  
  
  public class OccurrencesSearchResult extends AbstractTextSearchResult implements IEditorMatchAdapter, IFileMatchAdapter {
  
  	protected static final Match[] NO_MATCHES= new Match[0];
  	private OccurrencesSearchQuery fQuery;
  
  	public OccurrencesSearchResult(OccurrencesSearchQuery query) {
  		fQuery= query;
  	}
  	
  	/*
  	 * @see org.eclipse.search.ui.text.AbstractTextSearchResult#findContainedMatches(org.eclipse.core.resources.IFile)
  	 */
  	public Match[] computeContainedMatches(AbstractTextSearchResult result, IFile file) {
  		Object[] elements= getElements();
  		if (elements.length == 0)
  			return NO_MATCHES;
  		//all matches from same file:
  		JavaElementLine jel= (JavaElementLine) elements[0];
  		try {
  			if (file.equals(jel.getJavaElement().getCorrespondingResource()))
  				return collectMatches(elements);
  		} catch (JavaScriptModelException e) {
  			// no resource
  		}
  		return NO_MATCHES;
  	}
  
  	/*
  	 * @see org.eclipse.search.ui.text.AbstractTextSearchResult#findContainedMatches(org.eclipse.ui.IEditorPart)
  	 */
  	public Match[] computeContainedMatches(AbstractTextSearchResult result, IEditorPart editor) {
  		//TODO same code in JavaSearchResult
  		IEditorInput editorInput= editor.getEditorInput();
  		if (editorInput instanceof IFileEditorInput)  {
  			IFileEditorInput fileEditorInput= (IFileEditorInput) editorInput;
  			return computeContainedMatches(result, fileEditorInput.getFile());
  			
  		} else if (editorInput instanceof IClassFileEditorInput) {
  			IClassFileEditorInput classFileEditorInput= (IClassFileEditorInput) editorInput;
  			IClassFile classFile= classFileEditorInput.getClassFile();
  			
  			Object[] elements= getElements();
  			if (elements.length == 0)
  				return NO_MATCHES;
  			//all matches from same file:
  			JavaElementLine jel= (JavaElementLine) elements[0];
  			if (jel.getJavaElement().equals(classFile))
  				return collectMatches(elements);
  		}
  		return NO_MATCHES;
  	}
  	
  	/*
  	 * @see org.eclipse.search.ui.text.AbstractTextSearchResult#getFile(java.lang.Object)
  	 */
  	public IFile getFile(Object element) {
  		JavaElementLine jel= (JavaElementLine) element;
  		IResource resource= null;
  		try {
  			resource= jel.getJavaElement().getCorrespondingResource();
  		} catch (JavaScriptModelException e) {
  			// no resource
  		}
  		if (resource instanceof IFile)
  			return (IFile) resource;
  		else
  			return null;
  	}
  	
  	/*
  	 * @see org.eclipse.search.ui.text.AbstractTextSearchResult#isShownInEditor(org.eclipse.search.ui.text.Match, org.eclipse.ui.IEditorPart)
  	 */
  	public boolean isShownInEditor(Match match, IEditorPart editor) {
  		Object element= match.getElement();
  		IJavaScriptElement je= ((JavaElementLine) element).getJavaElement();
  		IEditorInput editorInput= editor.getEditorInput();
  		if (editorInput instanceof IFileEditorInput) {
  			try {
  				return ((IFileEditorInput)editorInput).getFile().equals(je.getCorrespondingResource());
  			} catch (JavaScriptModelException e) {
  				return false;
  			}
  		} else if (editorInput instanceof IClassFileEditorInput) {
  			return ((IClassFileEditorInput)editorInput).getClassFile().equals(je);
  		}
  		
  		return false;
  	}
  	
  	/*
  	 * @see org.eclipse.search.ui.ISearchResult#getLabel()
  	 */
  	public String getLabel() {
  		return fQuery.getResultLabel(getMatchCount());
  	}
  
  	/*
  	 * @see org.eclipse.search.ui.ISearchResult#getTooltip()
  	 */
  	public String getTooltip() {
  		return getLabel();
  	}
  
  	/*
  	 * @see org.eclipse.search.ui.ISearchResult#getImageDescriptor()
  	 */
  	public ImageDescriptor getImageDescriptor() {
  		return JavaPluginImages.DESC_OBJS_SEARCH_REF;
  	}
  
  	/*
  	 * @see org.eclipse.search.ui.ISearchResult#getQuery()
  	 */
  	public ISearchQuery getQuery() {
  		return fQuery;
  	}
  
  	public IFileMatchAdapter getFileMatchAdapter() {
  		return this;
  	}
  	
  	public IEditorMatchAdapter getEditorMatchAdapter() {
  		return this;
  	}
  
  	private Match[] collectMatches(Object[] elements) {
  		Match[] matches= new Match[getMatchCount()];
  		int writeIndex= 0;
  		for (int i= 0; i < elements.length; i++) {
  			Match[] perElement= getMatches(elements[i]);
  			for (int j= 0; j < perElement.length; j++) {
  				matches[writeIndex++]= perElement[j];
  			}
  		}
  		return matches;
  	}
  }
  