org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/nls/search/NLSSearchOperation.java

/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.ui.refactoring.nls.search;

import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.jface.resource.ImageDescriptor;

import org.eclipse.ui.actions.WorkspaceModifyOperation;

import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.search.IJavaSearchConstants;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.core.search.SearchEngine;

import org.eclipse.jdt.internal.ui.JavaPluginImages;
import org.eclipse.jdt.internal.ui.search.PrettySignature;

class NLSSearchOperation extends WorkspaceModifyOperation {
	
	private IWorkspace fWorkspace;
	private IJavaElement fElementPattern;
	private int fLimitTo;
	private String fStringPattern;
	private int fSearchFor;
	private IJavaSearchScope fScope;
	private String fScopeDescription;
	private NLSSearchResultCollector fCollector;
	
	protected NLSSearchOperation(
				IWorkspace workspace,
				int limitTo,
				IJavaSearchScope scope,
				String scopeDescription,
				NLSSearchResultCollector collector) {
		super(null);
		fWorkspace= workspace;
		fLimitTo= limitTo;
		fScope= scope;
		fScopeDescription= scopeDescription;
		fCollector= collector;
		fCollector.setOperation(this);
	}
	
	public NLSSearchOperation(
				IWorkspace workspace,
				IJavaElement pattern,
				int limitTo,
				IJavaSearchScope scope,
				String scopeDescription,
				NLSSearchResultCollector collector) {
		this(workspace, limitTo, scope, scopeDescription, collector);
		fElementPattern= pattern;
	}
	
	public NLSSearchOperation(
				IWorkspace workspace,
				String pattern,
				int searchFor, 
				int limitTo,
				IJavaSearchScope scope,
				String scopeDescription,
				NLSSearchResultCollector collector) {
		this(workspace, limitTo, scope, scopeDescription, collector);
		fStringPattern= pattern;
		fSearchFor= searchFor;
	}

	protected void execute(IProgressMonitor monitor) throws CoreException {
		fCollector.setProgressMonitor(monitor);
		SearchEngine engine= new SearchEngine();
		if (fElementPattern != null)
			engine.search(fWorkspace, fElementPattern, fLimitTo, fScope, fCollector);
		else
			engine.search(fWorkspace, fStringPattern, fSearchFor, fLimitTo, fScope, fCollector);
	}

	String getSingularLabel() {
		String[] args= new String[] {getDescriptionPattern(), fScopeDescription}; //$NON-NLS-1$		
		return NLSSearchMessages.getFormattedString("SearchOperation.singularLabelPostfix", args); //$NON-NLS-1$
	}

	String getPluralLabelPattern() {
		String[] args= new String[] {getDescriptionPattern(), "{0}", fScopeDescription}; //$NON-NLS-1$		
		return NLSSearchMessages.getFormattedString("SearchOperation.pluralLabelPatternPostfix", args); //$NON-NLS-1$
	}
	
	private String getDescriptionPattern() {
		if (fElementPattern != null) {
			if (fLimitTo == IJavaSearchConstants.REFERENCES
			&& fElementPattern.getElementType() == IJavaElement.METHOD)
				return PrettySignature.getUnqualifiedMethodSignature((IMethod)fElementPattern);
			else
				return fElementPattern.getElementName();
		}
		else
			return fStringPattern;
	}
	
	ImageDescriptor getImageDescriptor() {
		return JavaPluginImages.DESC_OBJS_SEARCH_REF;
	}
}