package com.xrefactory.jedit;import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.tree.*;import javax.swing.filechooser.*;import java.io.*;import java.util.*;class DirectoryNode implements TreeNode, Comparable {    File 				ff;    DirectoryNode		parent;    DirectoryNode[] 	subs = null;    String              name;    boolean             isDirectory;    private boolean fileFilter(File ff) {		if (ff.isDirectory()) return(true);		String name = ff.getName();		//& System.out.println("checking " + name);		int len = name.length();		if (name.lastIndexOf(".java") == len-5) return(true);		if (name.lastIndexOf(".JAVA") == len-5) return(true);		if (name.lastIndexOf(".jav") == len-4) return(true);		if (name.lastIndexOf(".JAV") == len-4) return(true);		if (name.lastIndexOf(".jar") == len-4) return(true);		if (name.lastIndexOf(".JAR") == len-4) return(true);		if (name.lastIndexOf(".zip") == len-4) return(true);		if (name.lastIndexOf(".ZIP") == len-4) return(true);		return(false);    }    public int  compareTo( Object o) {		return(ff.getName().compareTo(((DirectoryNode)o).ff.getName()));    }    private void setSubs() {		int j,count;		File[] files = FileSystemView.getFileSystemView().getFiles(ff, true);		count = 0;		for(int i=0; i<files.length; i++) {			if (fileFilter(files[i])) count++;		}		subs = new DirectoryNode[count];		j = 0;		for(int i=0; i<files.length; i++) {			if (fileFilter(files[i])) {				subs[j] = new DirectoryNode(this, files[i]);				j++;			}		}		Arrays.sort(subs);    }    public Enumeration children() {		if (subs==null)  setSubs();		return(new ArrayEnumerator(subs));    }    public TreeNode getChildAt(int i) {		if (subs==null)  setSubs();		return(subs[i]);    }    public TreeNode getParent( ) {		return(parent);    }    public boolean getAllowsChildren( ) {		if (subs==null)  setSubs();		return(subs.length != 0);    }    public boolean isLeaf( ) {		if (subs==null)  setSubs();		return(subs.length == 0 && ! isDirectory);    }    public int getChildCount( ) {		if (subs==null)  setSubs();		return(subs.length);    }    public int getIndex(TreeNode t) {		if (subs==null)  setSubs();		for(int i=0; i<subs.length; i++) {			if (t == subs[i]) return(i);		}		return(-1);    }    public String toString() {		return(name);    }    DirectoryNode(DirectoryNode parent, File ff) {		this.parent = parent;		this.ff = ff;		this.isDirectory = ff.isDirectory();		String str = ff.toString();		String pth = ff.getAbsolutePath();		String res;		if (str.equals(pth)) this.name = ff.getName();		else this.name = str;		if (this.name.equals("")) this.name = str;    }}		class DirectoryTree extends JTree {	DirectoryNode rootNode;	String[] selection(boolean reqDirectory) {		TreePath[] p = getSelectionPaths();		String[] res = null;		if (p!=null) {			int count = 0;			for (int i=0; i<p.length; i++) {				File ff = ((DirectoryNode)p[i].getLastPathComponent()).ff;				if (ff.isDirectory() || !reqDirectory) count++;			}			res = new String[count];			int j=0;			for (int i=0; i<p.length; i++) {				File ff = ((DirectoryNode)p[i].getLastPathComponent()).ff;				if (ff.isDirectory() || !reqDirectory) {					res[j++] = ff.getAbsolutePath();				}			}		}		return(res);	}	void expandPath(String path) {/*		Object[] oo = new Object[1000];		String cpath = "";		DirectoryNode nd;		int ooi,i,n;		Options.PathIterator ii = new Options.PathIterator(path, s.slash);		if (ii.hasNext()) {			String pp = ii.next();			cpath += pp;			ooi=0; nd = rootNode;			oo[0] = nd;			while (ii.hasNext()) {				pp = ii.next();				n = nd.getChildCount();				for(int i=0; i<n; i++) {					if (((DirectoryNode)nd.getChildAt(i)).ff.getAbsolutePath().equals(cpath)) {											}				}			}		}*/	}	DirectoryTree(DirectoryNode rootNode) {		super(rootNode);		this.rootNode = rootNode;		putClientProperty("JTree.lineStyle", "Angled");		//& setPreferredSize(new Dimension(300,500));	}}