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.refactoring.nls.search;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.HashSet;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Set;
  
  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.IJavaScriptUnit;
  import org.eclipse.wst.jsdt.core.IJavaScriptElement;
  import org.eclipse.wst.jsdt.core.IParent;
  import org.eclipse.wst.jsdt.core.JavaScriptCore;
  import org.eclipse.wst.jsdt.core.JavaScriptModelException;
  import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin;
  import org.eclipse.wst.jsdt.internal.ui.JavaPluginImages;
  import org.eclipse.wst.jsdt.internal.ui.javaeditor.IClassFileEditorInput;
  
  public class NLSSearchResult extends AbstractTextSearchResult implements IEditorMatchAdapter, IFileMatchAdapter {
  
  	private static final Match[] NO_MATCHES= new Match[0];
  
  	/*
  	 * Element (group key) is always IJavaScriptElement or FileEntry.
  	 */
  	private NLSSearchQuery fQuery;
  	private final List fFileEntryGroups;
  	private final List fCompilationUnitGroups;
  
  	public NLSSearchResult(NLSSearchQuery query) {
  		fQuery= query;
  		fFileEntryGroups= new ArrayList();
  		fCompilationUnitGroups= new ArrayList();
  	}
  	
  	public void addFileEntryGroup(FileEntry group) {
  		fFileEntryGroups.add(group);
  	}
  	
  	public void addCompilationUnitGroup(CompilationUnitEntry group) {
  		fCompilationUnitGroups.add(group);
  	}
  	
  	/*
  	 * @see org.eclipse.search.ui.text.AbstractTextSearchResult#findContainedMatches(org.eclipse.ui.IEditorPart)
  	 */
  	public Match[] computeContainedMatches(AbstractTextSearchResult result, IEditorPart editor) {
  		//TODO: copied from 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;
  			Set matches= new HashSet();
  			collectMatches(matches, classFileEditorInput.getClassFile());
  			return (Match[]) matches.toArray(new Match[matches.size()]);
  		}
  		return NO_MATCHES;
  	}
  
  	/*
  	 * @see org.eclipse.search.ui.text.AbstractTextSearchResult#findContainedMatches(org.eclipse.core.resources.IFile)
  	 */
  	public Match[] computeContainedMatches(AbstractTextSearchResult result, IFile file) {
  		Set matches= new HashSet();
  		for (Iterator iter= fFileEntryGroups.iterator(); iter.hasNext();) {
  			FileEntry element= (FileEntry)iter.next();
  			if (element.getPropertiesFile().equals(file)) {
  				matches.addAll(Arrays.asList(getMatches(element)));
  			}
  		}
  		if (matches.size() > 0)
  			return (Match[]) matches.toArray(new Match[matches.size()]);
  		
  		try {
  			for (Iterator iter= fCompilationUnitGroups.iterator(); iter.hasNext();) {
  				CompilationUnitEntry element= (CompilationUnitEntry)iter.next();
  				IJavaScriptUnit cu= element.getCompilationUnit();
  				if (cu.exists() && file.equals(cu.getCorrespondingResource())) {
  					matches.addAll(Arrays.asList(getMatches(element)));
  				}
  			}
  		} catch (JavaScriptModelException e) {
  			JavaScriptPlugin.log(e);
  			return NO_MATCHES;
  		}
  		
  		//TODO: copied from JavaSearchResult:
  		IJavaScriptElement javaElement= JavaScriptCore.create(file);
  		collectMatches(matches, javaElement);
  		return (Match[]) matches.toArray(new Match[matches.size()]);
  	}
  	
  	private void collectMatches(Set matches, IJavaScriptElement element) {
  		//TODO: copied from JavaSearchResult:
  		Match[] m= getMatches(element);
  		if (m.length != 0) {
  			for (int i= 0; i < m.length; i++) {
  				matches.add(m[i]);
  			}
  		}
  		if (element instanceof IParent) {
  			IParent parent= (IParent) element;
  			try {
  				IJavaScriptElement[] children= parent.getChildren();
  				for (int i= 0; i < children.length; i++) {
  					collectMatches(matches, children[i]);
  				}
  			} catch (JavaScriptModelException e) {
  				// we will not be tracking these results
  			}
  		}
  	}
  	
  	/*
  	 * @see org.eclipse.search.ui.text.AbstractTextSearchResult#getFile(java.lang.Object)
  	 */
  	public IFile getFile(Object element) {
  		if (element instanceof FileEntry) {
  			return ((FileEntry) element).getPropertiesFile();
  		} else {
  			IJavaScriptElement javaElement= null;
  			if (element instanceof CompilationUnitEntry) {
  				javaElement= ((CompilationUnitEntry)element).getCompilationUnit();
  			} else {
  				javaElement= (IJavaScriptElement) element;
  			}
  			IResource resource= null;
  			try {
  				resource= javaElement.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) {
  		IEditorInput editorInput= editor.getEditorInput();
  		if (match.getElement() instanceof FileEntry) {
  			IFile file= ((FileEntry) match.getElement()).getPropertiesFile();
  			if (editorInput instanceof IFileEditorInput) {
  				return ((IFileEditorInput) editorInput).getFile().equals(file);
  			}
  		} else if (match.getElement() instanceof IJavaScriptElement || match.getElement() instanceof CompilationUnitEntry) {
  			IJavaScriptElement je= null;
  			if (match.getElement() instanceof IJavaScriptElement) {
  				je= (IJavaScriptElement) match.getElement();
  			} else {
  				je= ((CompilationUnitEntry)match.getElement()).getCompilationUnit();
  			}
  			if (editorInput instanceof IFileEditorInput) {
  				try {
  					IJavaScriptUnit cu= (IJavaScriptUnit) je.getAncestor(IJavaScriptElement.JAVASCRIPT_UNIT);
  					if (cu == null)
  						return false;
  					else
  						return ((IFileEditorInput) editorInput).getFile().equals(cu.getCorrespondingResource());
  				} catch (JavaScriptModelException e) {
  					return false;
  				}
  			} else if (editorInput instanceof IClassFileEditorInput) {
  				return ((IClassFileEditorInput) editorInput).getClassFile().equals(je.getAncestor(IJavaScriptElement.CLASS_FILE));
  			}
  		}
  		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;
  	}
  
  }
  