import gtk
import random

menu = """
<ui>
    <menubar name='MenuBar'>
        <menu action='FileMenu'>
            <menuitem action='Create'/>
            <separator/>
            <menuitem action='Quit'/>
        </menu>
    </menubar>
</ui>"""

class CreatePassword(gtk.Dialog):
    def delete_event(self, widget, event, data=None):
        self.destroy()
        return False
    
    def generate(self, action):
        password = []
        alphabet = 'abcdefghijklmnopqrstuvwxyz'
        chars = alphabet + alphabet.upper() + '0123456789'
        
        for obj in range(self.password_size.get_value_as_int()):
            password.append(chars[random.randint(0, len(chars) - 1)])
        
        self.password_entry.set_text(''.join(password))
    
    def __init__(self, action=None):
        gtk.Dialog.__init__(self, '', None, 0)
        
        self.connect("response", self.delete_event)
        self.set_position(gtk.WIN_POS_CENTER)
        self.set_has_separator(False)
        
        password_size_label = gtk.Label('<b>Lunghezza:</b>')
        password_size_label.set_use_markup(True)
        
        self.password_entry = gtk.Entry()
        
        adj = gtk.Adjustment(6, 0.0, 50, 1, 8, 0.0)
        self.password_size = gtk.SpinButton(adj, 0, 0)
        self.password_size.set_wrap(False)
        self.password_size.set_size_request(55, -1)
        generate = gtk.Button('Genera', gtk.STOCK_OK)
        generate.connect('clicked', self.generate)
        close = gtk.Button(None, gtk.STOCK_CLOSE)
        close.connect('clicked', self.delete_event, None)
        
        hbox, hbox2 = [gtk.HBox() for x in range(2)]
        hbox.pack_start(password_size_label, False, False, 5)
        hbox.pack_start(self.password_size, True, True, 5)
        hbox2.pack_start(self.password_entry, True, True, 5)
        
        self.vbox.pack_start(hbox, False, False)
        self.vbox.pack_start(hbox2, False, False, 5)
        self.action_area.pack_start(close, False, False)
        self.action_area.pack_end(generate, False, False)
        
        generate.grab_focus()
        self.show_all()
        self.run()

class PasswordGenerator(gtk.Window):
    def delete_event(self, action, action2):
        gtk.main_quit()
        
    def __init__(self):
        gtk.Window.__init__(self)
        self.connect('delete_event', self.delete_event)
        self.set_default_size(550, 400)
        self.set_title('Password Generator')
        self.set_position(gtk.WIN_POS_CENTER)
        
        merge = gtk.UIManager()
        mergeid = merge.add_ui_from_string(menu)
        self.set_data('ui-manager', merge)
        merge.insert_action_group(self.menu(), 0)
        self.add_accel_group(merge.get_accel_group())
        menubar = merge.get_widget('/MenuBar')
        menubar.show()
        
        self.vbox = gtk.VBox()
        
        self.vbox.pack_start(menubar, False, False)
        
        self.add(self.vbox)
        self.show_all()
    
    def menu(self):
        actions = (
            # Main Menubar
            ( 'FileMenu', None, '_File' ),
            ( 'Create', gtk.STOCK_NEW, '_Genera password...', '<control>N', 'Genera una nuova password', CreatePassword ),
            ( 'Quit', gtk.STOCK_QUIT, '_Esci', '<control>Q', 'Esce dal programma', self.delete_event, None ),
            );
        
        
        action_group = gtk.ActionGroup('AppWindowActions')
        
        for action in actions:
            if len(action) == 6:
                action_group.add_actions([action])
            else:
                action_group.add_actions([action[0:6]], action[6:])
        return action_group

def run():
    init = PasswordGenerator()
    try:
        gtk.main()
    except KeyboardInterrupt:
        raise SystemExit

if __name__ == '__main__':
    run()