#!/usr/bin/env python

import sys
from qt import *

class Directory(QListViewItem):
  def __init__(self, parent, name=None):
    apply(QListViewItem.__init__,(self,parent))
    if isinstance(parent, QListView):
      self.p = None
      self.f = '/'
    else:
      self.p = parent
      self.f = name
    self.c = []
    self.readable = 1

  def setOpen(self, o):
    if o and not self.childCount():
      s = self.fullName()
      thisDir = QDir(s)
      if not thisDir.isReadable():
        self.readable = 0
	return

      files = thisDir.entryInfoList()
      if files:
        for f in files:
          fileName = str(f.fileName())
	  if fileName == '.' or fileName == '..':
	    continue
	  elif f.isSymLink():
	    d = QListViewItem(self, fileName, 'Symbolic Link')
	  elif f.isDir():
	    d = Directory(self, fileName)
	  else:
	    if f.isFile():
	      s = 'File'
	    else:
	      s = 'Special'
	    d = QListViewItem(self, fileName, s)
	  self.c.append(d)
    
    QListViewItem.setOpen(self, o)

  def setup(self):
    self.setExpandable(1)
    QListViewItem.setup(self)

  def fullName(self):
    if self.p:
      s = self.p.fullName() + self.f + '/'
    else:
      s = '/'
    return s

  def text(self, column):
    if column == 0:
      return self.f
    elif self.readable:
      return 'Directory'
    else:
      return 'Unreadable Directory'

a = QApplication(sys.argv)
mw = QListView()
a.setMainWidget(mw)
mw.setCaption('Directory Browser')
mw.addColumn('Name')
mw.addColumn('Type')
mw.resize(400, 400)
mw.setTreeStepSize(20)
root = Directory(mw)
root.setOpen(1)
mw.show()
a.exec_loop()