filemanager.java

Unix下基于Web的管理工具

	mid = add_panel(mid, per);

	// Create ownership section
	Panel own = new LinedPanel(filemgr.text("info_own")),
	      ol = new Panel(), or = new Panel();
	setup_leftright(own, ol, or);
	add_item(filemgr.text("info_user"),
		 user = new TextField(file.user, 10), ol, or);
	if (file.type != 0) {
		add_item(filemgr.text("info_setuid"),
			 setuid = new Checkbox(filemgr.text("info_setuid2")),
			 ol, or);
		setuid.setState((file.perms & 0x800) != 0);
		}
	add_item(filemgr.text("info_group"),
		 group = new TextField(file.group, 10), ol, or);
	if (file.type == 0)
		add_item(filemgr.text("info_setgid"),
		  setgid = new Checkbox(filemgr.text("info_setgid2")), ol, or);
	else
		add_item(filemgr.text("info_setgid"),
		  setgid = new Checkbox(filemgr.text("info_setgid3")), ol, or);
	setgid.setState((file.perms & 0x400) != 0);
	mid = add_panel(mid, own);

	if (file.type == 0) {
		// Create recursion section
		Panel rec = new LinedPanel(filemgr.text("info_apply"));
		rec.setLayout(new BorderLayout());
		rec_mode = new Choice();
		for(int i=1; i<=3; i++)
			rec_mode.addItem(filemgr.text("info_apply"+i));
		rec.add("Center", rec_mode);
		mid = add_panel(mid, rec);
		}

	pack();
	show();
	}

	Panel add_panel(Panel p, Component c)
	{
	p.add("North", c);
	Panel np = new Panel();
	np.setLayout(new BorderLayout());
	p.add("Center", np);
	return np;
	}

	public void click(CbButton b)
	{
	if (b == save_b) {
		// Update the file
		int perms = 0;
		if (setuid == null)
			perms |= (file.perms & 0x800);
		else
			perms |= (setuid.getState() ? 0x800 : 0);
		perms |= (setgid.getState() ? 0x400 : 0);
		perms |= user_p.getPerms();
		perms |= group_p.getPerms();
		perms |= other_p.getPerms();
		if (sticky == null)
			perms |= (file.perms & 01000);
		else
			perms |= (sticky.getState() ? 01000 : 0);
		int rec = 0;
		if (file.type == 0)
			rec = rec_mode.getSelectedIndex();
		String rv[] = filemgr.get_text(
			"chmod.cgi?path="+filemgr.urlize(file.path)+
			"&perms="+perms+"&user="+user.getText()+
			"&group="+group.getText()+"&rec="+rec+
			(linkto==null ? "" : "&linkto="+linkto.getText()));
		if (rv[0].length() > 0) {
			// Something went wrong
			new ErrorWindow(filemgr.text("info_efailed",
					file.path, rv[0]));
			}
		else {
			// Update all changed file objects
			if (linkto != null)
				file.linkto = linkto.getText();
			else if (rec == 0)
				update_file(file, perms, false);
			else if (rec == 1) {
				// Update files in this directory
				update_file(file, perms, false);
				recurse_files(file, perms, false);
				}
			else if (rec == 2) {
				// Update files and subdirs
                                update_file(file, perms, false);
				recurse_files(file, perms, true);
				}

			// Update directory list
			int os = filemgr.files.selected();
			filemgr.show_files(filemgr.showing_files);
			filemgr.files.select(os);
			dispose();
			}
		}
	else {
		// Just close
		dispose();
		}
	}

	void update_file(RemoteFile f, int perms, boolean perms_only)
	{
	f.user = user.getText();
	f.group = group.getText();
	if (perms_only)
		f.perms = (perms & 0777) | (f.perms & 037777777000);
	else
		f.perms = perms;
	}

	void recurse_files(RemoteFile f, int perms, boolean do_subs)
	{
	if (f.list == null) return;
	for(int i=0; i<f.list.length; i++) {
		RemoteFile ff = f.list[i];
		if (ff.type == 5) continue;
		else if (ff.type == 0) {
			if (do_subs) {
				update_file(ff, perms, false);
				recurse_files(ff, perms, true);
				}
			}
		else update_file(ff, perms, true);
		}
	}

	void setup_leftright(Panel m, Panel l, Panel r)
	{
	m.setLayout(new BorderLayout());
	Panel p = new Panel();
	p.setLayout(new BorderLayout());
	p.add("West", l);
	p.add("Center", r);
	l.setLayout(new GridLayout(0, 1));
	r.setLayout(new GridLayout(0, 1));
	m.add("North", p);
	}

	void add_item(String t, Component c, Panel l, Panel r)
	{
	l.add(new Label(t));
	Panel p = new Panel();
	p.setLayout(new BorderLayout());
	p.add("West", c);
	r.add(p);
	}
}

class PermissionsPanel extends Panel
{
	Checkbox read, write, exec;
	int base;

	PermissionsPanel(RemoteFile file, int base, FileManager filemgr)
	{
	int perms = file.perms;
	this.base = base;
	setLayout(new GridLayout(1, 3));
	add(read = new Checkbox(filemgr.text("info_read")));
	read.setState((perms&(base<<2)) != 0);
	add(write = new Checkbox(filemgr.text("info_write")));
	write.setState((perms&(base<<1)) != 0);
	add(exec = new Checkbox(
		filemgr.text(file.type==0 ? "info_list" : "info_exec")));
	exec.setState((perms&base) != 0);
	}

	int getPerms()
	{
	int rv = 0;
	rv |= (read.getState() ? (base<<2) : 0);
	rv |= (write.getState() ? (base<<1) : 0);
	rv |= (exec.getState() ? base : 0);
	return rv;
	}
}

class DeleteWindow extends FixedFrame implements CbButtonCallback
{
	CbButton delete_b, cancel_b;
	FileManager filemgr;
	RemoteFile file;

	DeleteWindow(FileManager p, RemoteFile f)
	{
	filemgr = p;
	file = f;
	setTitle(filemgr.text(f.type == 0 ? "delete_dtitle" : "delete_ftitle"));

	setLayout(new BorderLayout());
	add("Center", new MultiLabel(filemgr.text(
		f.type == 0 ? "delete_ddesc" : "delete_fdesc", f.path), 35));
	Panel bot = new Panel();
	bot.setLayout(new FlowLayout(FlowLayout.CENTER));
	bot.add(delete_b = new CbButton(filemgr.get_image("save.gif"),
				        filemgr.text("delete"),
					CbButton.LEFT, this));
	bot.add(cancel_b = new CbButton(filemgr.get_image("cancel.gif"),
					filemgr.text("cancel"),
					CbButton.LEFT, this));
	add("South", bot);

	pack();
	show();
	}

	public void click(CbButton b)
	{
	if (b == delete_b) {
		// Delete the file or directory
		String rv[] = filemgr.get_text("delete.cgi?file="+
					       filemgr.urlize(file.path));
		if (rv[0].length() > 0)
			new ErrorWindow(filemgr.text("delete_efailed",
					file.path, rv[0]));
		else {
			// done the deed.. update data structures
			RemoteFile pf = file.directory;
			pf.delete(file);
			if (filemgr.showing_files == pf) {
				// Need to refresh the list as well..
				filemgr.show_files(pf);
				}

			FileNode node = (FileNode)filemgr.nodemap.get(file);
			FileNode pnode = (FileNode)filemgr.nodemap.get(pf);
			if (node != null) {
				// Take the directory out of the tree..
				pnode.ch.removeElement(node);
				filemgr.dirs.redraw();
				}
			}
		dispose();
		}
	else if (b == cancel_b)
		dispose();
	}
}

class MkdirWindow extends FixedFrame implements CbButtonCallback
{
	FileManager filemgr;
	TextField dir;
	CbButton create_b, cancel_b;

	MkdirWindow(String d, FileManager p)
	{
	filemgr = p;
	setTitle(filemgr.text("mkdir_title"));
	setLayout(new BorderLayout());
	add("West", new Label(filemgr.text("mkdir_dir")));
	add("Center", dir = new TextField(d.equals("/") ? "/" : d+"/", 40));
	dir.select(dir.getText().length(), dir.getText().length());
	Panel bot = new Panel();
	bot.setLayout(new FlowLayout(FlowLayout.CENTER));
	bot.add(create_b = new CbButton(filemgr.get_image("save.gif"),
				        filemgr.text("create"),
					CbButton.LEFT, this));
	bot.add(cancel_b = new CbButton(filemgr.get_image("cancel.gif"),
					filemgr.text("cancel"),
					CbButton.LEFT, this));
	add("South", bot);
	pack();
	show();
	}

	public void click(CbButton b)
	{
	if (b == create_b) {
		// Find the filemgr directory
		String path = dir.getText();
		path = filemgr.trim_path(path);
		int sl = path.lastIndexOf('/');
		RemoteFile par = filemgr.find_directory(
					path.substring(0, sl), false);
		if (par.find(path.substring(sl+1)) != null) {
			new ErrorWindow(filemgr.text("mkdir_eexists", path));
			return;
			}
		String rv[] = filemgr.get_text("mkdir.cgi?dir="+
					       filemgr.urlize(path));
		if (rv[0].length() > 0) {
			new ErrorWindow(filemgr.text("mkdir_efailed", rv[0]));
			return;
			}
		RemoteFile file = new RemoteFile(filemgr, rv[1], par);
		par.add(file);
		FileNode parnode = (FileNode)filemgr.nodemap.get(par);
		if (parnode != null) {
			// Update the tree
			parnode.add(new FileNode(file));
			filemgr.dirs.redraw();
			}
		filemgr.show_files(filemgr.showing_files);
		dispose();
		}
	else dispose();
	}
}

class LinkWindow extends FixedFrame implements CbButtonCallback
{
	FileManager filemgr;
	TextField from, to;
	CbButton create_b, cancel_b;

	LinkWindow(String d, FileManager p)
	{
	filemgr = p;
	setLayout(new BorderLayout());
	setTitle(filemgr.text("link_title"));
	Panel l = new Panel(), r = new Panel();
	l.setLayout(new GridLayout(0, 1));
	l.add(new Label(filemgr.text("link_from")));
	l.add(new Label(filemgr.text("link_to")));
	r.setLayout(new GridLayout(0, 1));
	r.add(from = new TextField(d.equals("/") ? "/" : d+"/", 40));
	from.select(from.getText().length(), from.getText().length());
	r.add(to = new TextField());
	add("West", l); add("Center", r);
	Panel bot = new Panel();
	bot.setLayout(new FlowLayout(FlowLayout.CENTER));
	bot.add(create_b = new CbButton(filemgr.get_image("save.gif"),
				        filemgr.text("create"),
					CbButton.LEFT, this));
	bot.add(cancel_b = new CbButton(filemgr.get_image("cancel.gif"),
					filemgr.text("cancel"),
					CbButton.LEFT, this));
	add("South", bot);
	pack();
	show();
	}

	public void click(CbButton b)
	{
	if (b == create_b) {
		// Check inputs
		String from_str = from.getText().trim();
		int sl = from_str.lastIndexOf('/');
		String par_str = from_str.substring(0, sl),
		       file_str = from_str.substring(sl+1);
		RemoteFile par = filemgr.find_directory(par_str, false);
		if (par == null) return;
		if (par.find(file_str) != null) {
			new ErrorWindow(filemgr.text("link_eexists", from_str));
			return;
			}

		// Create the actual link
		String rv[] = filemgr.get_text("makelink.cgi?from="+
					       filemgr.urlize(from_str)+"&to="+
					       filemgr.urlize(to.getText()));
		if (rv[0].length() > 0) {
			new ErrorWindow(filemgr.text("link_efailed", rv[0]));
			return;
			}
		RemoteFile file = new RemoteFile(filemgr, rv[1], par);
		par.add(file);
		filemgr.show_files(filemgr.showing_files);
		dispose();
		}
	else if (b == cancel_b)
		dispose();
	}
}

class RenameWindow extends FixedFrame implements CbButtonCallback
{
	FileManager filemgr;
	RemoteFile file;
	TextField oldname, newname;
	CbButton rename_b, cancel_b;

	RenameWindow(FileManager p, RemoteFile f)
	{
	filemgr = p; file = f;
	setLayout(new BorderLayout());
	setTitle(filemgr.text("rename_title", file.path));
	Panel l = new Panel(), r = new Panel();
	l.setLayout(new GridLayout(0, 1));
	l.add(new Label(filemgr.text("rename_old")));
	l.add(new Label(filemgr.text("rename_new")));
	r.setLayout(new GridLayout(0, 1));
	r.add(oldname = new TextField(file.name, 20));
	oldname.setEditable(false);
	r.add(newname = new TextField(file.name, 20));
	newname.select(file.name.length(), file.name.length());
	add("West", l); add("Center", r);

	Panel bot = new Panel();
	bot.setLayout(new FlowLayout(FlowLayout.CENTER));
	bot.add(rename_b = new CbButton(filemgr.get_image("save.gif"),
				        filemgr.text("rename_ok"),
					CbButton.LEFT, this));
	bot.add(cancel_b = new CbButton(filemgr.get_image("cancel.gif"),
					filemgr.text("cancel"),
					CbButton.LEFT, this));
	add("South", bot);
	pack();
	show();
	}

	public void click(CbButton b)
	{
	if (b == rename_b) {
		// Check for an existing file
		String newstr = newname.getText().trim();
		if (newstr.length() == 0) return;
		RemoteFile already = file.directory.find(newstr);
		if (already != null) {
			new ErrorWindow(filemgr.text("rename_eexists", newstr));
			return;
			}

		// Rename the real file
		int sl = file.path.lastIndexOf('/');
		String newpath = file.path.substring(0, sl)+"/"+newstr;
		String rv[] = filemgr.get_text(
				"rename.cgi?old="+filemgr.urlize(file.path)+
				"&new="+filemgr.urlize(newpath));
		if (rv[0].length() > 0) {
			new ErrorWindow(filemgr.text("rename_efailed", rv[0]));
			return;
			}

		// Update data structures
		file.name = newstr;
		file.path = newpath;
		file.directory.delete(file);
		file.directory.add(file);
		FileNode parnode = (FileNode)filemgr.nodemap.get(file.directory);
		FileNode filenode = (FileNode)filemgr.nodemap.get(file);
		if (parnode != null && filenode != null) {
			filenode.text = file.name;
			parnode.ch.removeElement(filenode);
			parnode.add(filenode);
			dispose();
			filemgr.dirs.redraw();
			}
		filemgr.show_files(filemgr.showing_files);
		dispose();
		}
	else if (b == cancel_b)
		dispose();
	}
}

class MultiLabel extends BorderPanel
{
	public MultiLabel(String s, int max)
	{
	super(1);
	Vector v = new Vector();
	StringTokenizer tok = new StringTokenizer(s.trim(), " \t");
	String line = null;
	while(tok.hasMoreTokens()) {
		String w = tok.nextToken();
		line = (line == null ? w : line+" "+w);
		if (line.length() > max || !tok.hasMoreTokens()) {
			v.addElement(line);
			line = null;
			}
		}
	setLayout(new GridLayout(v.size(), 0, 0, 0));
	for(int i=0; i<v.size(); i++)
		add(new Label((String)v.elementAt(i), Label.CENTER));
	}
}