package com.quantum.view.bookmark;

import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;

public class BookmarkContentProvider implements ITreeContentProvider {
    
	public Object[] getChildren(Object element) {
		if (element instanceof TreeNode) {
			TreeNode node = (TreeNode) element;
			return node.getChildren();
		}
		return BookmarkListNode.EMPTY_ARRAY;
	}
	public Object[] getElements(Object inputElement) {
		return getChildren(inputElement);
	}

	public Object getParent(Object element) {
		if (element instanceof TreeNode) {
			TreeNode node = (TreeNode) element;
			return node.getParent();
		}
		return null;
	}

	public boolean hasChildren(Object element) {
		if (element instanceof TreeNode) {
			TreeNode node = (TreeNode) element;
			return node.hasChildren();
		}
		return false;
	}

	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
	}
	
	public void dispose() {
	}
}