#!/usr/bin/env python

import subprocess
import cPickle
import os.path
import os
import sys
import pygtk
pygtk.require('2.0')
import gtk

#decorator truff
actions={}

def action(validator,name=None):
    if name is None:
        def wrapper(action):
            actions[action.__name__]=(action,validator)
    else:
        def wrapper(action):
            actions[name]=(action,validator)
    return wrapper

#validator helper
always=lambda x: True

def has_child_dir(dirname):
    def wrapper(path):
        return os.path.isdir(os.path.join(path,dirname))
    return wrapper


def has_child_file(filename):
    def wrapper(path):
        return os.path.isfile(os.path.join(path,filename))
    return wrapper

#do the work
def load_paths(filename="~/.autojump_py",maxpath=10):
    dic_file=os.path.expanduser(filename)

    try:
        aj_file=open(dic_file)
        path_dict=cPickle.load(aj_file)
        aj_file.close()
    except IOError:
        pass

    path_dict=path_dict.items()
    path_dict.sort(key=lambda x: x[1],reverse=True)

    return [path for path,score in path_dict[:maxpath]]

def get_actions(path):
    return [(name,action) for name,(action,validator) in actions.items() if validator(path)]

def popup(sender,button,activation):
    paths=load_paths()

    menu=gtk.Menu()
    for path in paths:
        actions=get_actions(path)
        if not actions: continue

        item=gtk.MenuItem(path)
        submenu=gtk.Menu()
        item.set_submenu(submenu)
        for name,action in actions:
            subitem=gtk.MenuItem(name)
            subitem.connect("activate",action,path)
            submenu.append(subitem)
        menu.append(item)

    menu.append(gtk.SeparatorMenuItem())
    
    item=gtk.MenuItem("quit")
    item.connect("activate",quit)
    menu.append(item)

    menu.show_all()
    menu.popup(None,None,gtk.status_icon_position_menu,button,activation,sender)

def init():
    icon=gtk.status_icon_new_from_file("icon.png")
    icon.set_visible(True)
    icon.connect("popup-menu",popup)

def quit(sender):
    gtk.main_quit()

######################################################
#insert other actions here using the action decorator#
######################################################
@action(has_child_dir(".git"))
def gitk(sender,path):
    if not os.fork():
        os.chdir(path)
        subprocess.Popen(['gitk']).wait()
        sys.exit()

@action(has_child_file("CMakeCache.txt"),"configure")
def cmake(sender,path):
    if not os.fork():
        os.chdir(path)
        subprocess.Popen(['cmake-gui','.']).wait()
        sys.exit()

@action(always)
def terminal(sender,path):
    if not os.fork():
        os.chdir(path)
        subprocess.Popen(['gnome-terminal']).wait()
        sys.exit()

@action(always,"navigateur")
def nautilus(sender,path):
    if not os.fork():
        subprocess.Popen(['nautilus',path]).wait()
        sys.exit()

if __name__=='__main__':
    init()
    gtk.main()