/*******************************************************************************
 * Copyright (c) 2003, 2004 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.jst.servlet.ui.internal.navigator;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.resources.IResource;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.ui.ISharedImages;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jst.servlet.ui.internal.plugin.WEBUIMessages;
import org.eclipse.swt.graphics.Image;

public class CompressedJavaLibraries implements ICompressedNode {
	
	
	private CompressedJavaProject compressedProject;
	private Image image;

	public CompressedJavaLibraries(CompressedJavaProject compressedProject) { 
		this.compressedProject = compressedProject;
	}
	
	public Image getImage() { 
		if(image == null) {
			image = JavaUI.getSharedImages().getImage(ISharedImages.IMG_OBJS_LIBRARY);
		}
		return image;
	}
	
	public String getLabel() {		
		return WEBUIMessages.Compressed_Libraries;
	}
	
	public Object[] getChildren(ITreeContentProvider delegateContentProvider) {
		
		List classpathContainers = new ArrayList();
		Object[] delegateChildren = delegateContentProvider.getChildren(compressedProject.getProject());
		for (int i = 0; i < delegateChildren.length; i++) {
			if (delegateChildren[i] instanceof IPackageFragmentRoot) {
				try {
					IClasspathEntry rawClasspathEntry = ((IPackageFragmentRoot) delegateChildren[i]).getRawClasspathEntry();
					if (rawClasspathEntry.getEntryKind() != IClasspathEntry.CPE_CONTAINER && 
								rawClasspathEntry.getEntryKind() != IClasspathEntry.CPE_SOURCE)
						classpathContainers.add(delegateChildren[i]);
				} catch (JavaModelException e) {

				}
			} else if (!(delegateChildren[i] instanceof IJavaElement) && !(delegateChildren[i] instanceof IResource)) {
				classpathContainers.add(delegateChildren[i]);
			}
		}
		return classpathContainers.toArray();
	}

	public CompressedJavaProject getCompressedProject() {
		return compressedProject;
	}
	
	

}