#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""This module adds a menu item to the nautilus right-click menu which allows to Open the Terminal
   on the Selected Folder/Current Directory at predefined Geometry just through the right-clicking"""

#   open-terminal-geometry.py version 1.0.5
#    
#   Copyright 2009-2010 Giuseppe Penone <giuspen@gmail.com>
#    
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#    
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#    
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#   MA 02110-1301, USA.

import pygtk
pygtk.require('2.0')
import gtk
import nautilus, gconf, urllib, os, sys, subprocess

GEOMETRY = '160x20'
NAUTILUS_MENU_LABEL = 'Open Terminal Here'
NAUTILUS_MENU_HELP_ON_SELECTED = 'Open the Terminal on the Current/Selected Directory'
NAUTILUS_MENU_HELP_ON_BACKGROUND = 'Open the Terminal on the Current Directory'

def error_dialog(message, dialog_title = "Error..."):
   """The extension's error dialog"""
   dialog = gtk.MessageDialog(flags=gtk.DIALOG_MODAL,
                              type=gtk.MESSAGE_ERROR,
                              buttons=gtk.BUTTONS_OK,
                              message_format=message)
   dialog.set_title(dialog_title)
   dialog.run()
   dialog.destroy()

class OpenTerminalGeometry(nautilus.MenuProvider):
   """Implements the 'Open Terminal Geometry' extension to the nautilus right-click menu"""
   
   def __init__(self):
      """Creates a GConfClient (Gnome Configuration Client)"""
      self.client = gconf.client_get_default()
   
   def run(self, menu, selected):
      """Runs the Open Terminal Geometry on the given Directory"""
      curr_dir = urllib.unquote(selected.get_uri()[7:])
      if os.path.isfile(curr_dir): curr_dir = os.path.dirname(curr_dir)
      try:
         bash_string = "gnome-terminal --geometry=" + GEOMETRY + " --working-directory='" + curr_dir + "' &"
         subprocess.call(bash_string, shell=True)
      except: error_dialog("Exception Error:\n%s" % sys.exc_info())
   
   def get_file_items(self, window, sel_items):
      """Adds the 'Open Terminal Geometry' menu item to the Nautilus right-click menu, 
         connects its 'activate' signal to the 'run' method passing the selected Directory/File"""
      if len(sel_items) != 1 or sel_items[0].get_uri_scheme() != 'file': return
      item = nautilus.MenuItem('NautilusPython::terminal', NAUTILUS_MENU_LABEL, NAUTILUS_MENU_HELP_ON_SELECTED)
      item.set_property('icon', 'terminal')
      item.connect('activate', self.run, sel_items[0])
      return item,
      
   def get_background_items(self, window, current_directory):
      """Adds the 'Open Terminal Geometry' menu item to the Nautilus right-click menu, 
         connects its 'activate' signal to the 'run' method passing the current Directory"""
      item = nautilus.MenuItem('NautilusPython::terminal', NAUTILUS_MENU_LABEL, NAUTILUS_MENU_HELP_ON_BACKGROUND)
      item.set_property('icon', 'terminal')
      item.connect('activate', self.run, current_directory)
      return item,