fileexplorercontentprovider.java

基于Eclipse RCP模型下的文档管理程序源代码

// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://www.kpdus.com/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   FileExplorerContentProvider.java

package fileexplorer.views;

import fileexplorer.system.ContentProviderAdapter;
import java.io.File;
import java.util.List;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;

public class FileExplorerContentProvider extends ContentProviderAdapter
    implements ITreeContentProvider
{

    public FileExplorerContentProvider()
    {
    }

    public Object[] getElements(Object inputElement)
    {
        if(inputElement instanceof List)
            return ((List)inputElement).toArray();
        else
            return new Object[0];
    }

    public boolean hasChildren(Object element)
    {
        boolean hasChild = true;
        File entry = (File)element;
        if(entry.isDirectory())
            hasChild = true;
        else
            hasChild = false;
        return hasChild;
    }

    public Object[] getChildren(Object parentElement)
    {
        File parent = (File)parentElement;
        File children[] = parent.listFiles();
        if(children == null || children.length == 0)
            return new Object[0];
        else
            return children;
    }

    public void setFocus()
    {
    }

    public void inputChanged(Viewer viewer, Object obj, Object obj1)
    {
    }
}