# -*- coding: utf-8 -*-
# date: 17 Apr 2009

import pygtk
pygtk.require('2.0')
import gtk
import gobject
import item
from license import version, gpl_3
import time

class ui_pygtk:
    def __init__(self, itemList):
        self.itemList = itemList
        
        # create ui
        # main window
        self.main_window = gtk.Window(gtk.WINDOW_TOPLEVEL)
        self.main_window.connect('destroy', self.destroy_callback)
	
        self.main_window.set_title('ToDo')
        self.main_window.set_size_request(10, 10)
        self.main_window.resize(100, 100)
        self.main_window.move(10, 10)

        # todolist scroll window
        todo_scroll = gtk.ScrolledWindow()
        todo_scroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)

        liststore = gtk.ListStore(object)
        for items in self.itemList:
            liststore.append([items])

        todolist = gtk.TreeView(liststore)

        for i, column in enumerate ([['Id', 'getId'],
                                     ['ToDo', 'getTitle'],
                                     ['...', 'getDescription'],
                                     ['Erstellt am', ['getCreatedAt',
                                       (lambda x: time.strftime('%d.%m.%Y %H:%M:%S', time.localtime(x)))]]
                                     ]):
            todolist.append_column(self.create_column(i, column[0], column[1], liststore))
        
        todo_scroll.add(todolist)
        
        # statusbar
        statusbar = gtk.Statusbar()

        # join elemnts 
        # main content box
        main_content_box = gtk.VBox(False, 1)
        main_content_box.pack_start(self.get_main_menu(), False, True, 0)
        main_content_box.pack_start(todo_scroll, True, True, 0)
        main_content_box.pack_start(statusbar, False, False, 0)

        self.main_window.add(main_content_box)

        # start ui
        self.main_window.show_all()
        gtk.main()
        return

    #########################################################
    # create gui
    #########################################################

    def create_column(self, id, title, data, treemodel, cellRenderer=gtk.CellRendererText()):
        column = gtk.TreeViewColumn(title, cellRenderer)
        
        column.set_cell_data_func(cellRenderer, self.item_data_callback, data)
        column.set_reorderable(True)
        column.set_resizable(True)
        column.set_sort_column_id(id)

        treemodel.set_sort_func(id, (lambda model, iter1, iter2, userdata=None:
                                     apply(cmp,
                                            map((lambda x: self.item_data_callback(column, None, model, x, data)),
                                                [iter1, iter2]))))
        return column

    def get_main_menu(self):
        if 'mainmenu' not in self.__dict__:
            quit_action = gtk.Action('Quit', '_Quit', 'Exit Todolist', gtk.STOCK_QUIT)
            quit_action.connect('activate', self.destroy_callback)

            settings_action = gtk.Action('Settings', '_Settings', 'Settings', gtk.STOCK_PREFERENCES)
            settings_action.set_property('sensitive', False)
            #settings_action.connect('activate', self.show_settings)

            #delete_action = gtk.Action('Delete', '_Delete', 'Delete a post',
            #        gtk.STOCK_DELETE)
            #delete_action.connect('activate', self.delete_tweet)

            about_action = gtk.Action('About', '_About', 'About Todolist', gtk.STOCK_ABOUT)
            about_action.connect('activate', self.about_click_callback)

            file_action = gtk.Action('File', '_File', 'File', None)
            edit_action = gtk.Action('Edit', '_Edit', 'Edit', None)
            help_action = gtk.Action('Help', '_Help', 'Help', None)

            action_group = gtk.ActionGroup('MainMenu')
            action_group.add_action_with_accel(quit_action, None) # None = default
            action_group.add_action(settings_action)
            action_group.add_action(file_action)
            action_group.add_action(edit_action)
            action_group.add_action(help_action)
            action_group.add_action(about_action)
        
            # definition of the UI
            uimanager = gtk.UIManager()
            uimanager.insert_action_group(action_group, 0)
            uimanager.add_ui_from_string('''
            <ui>
                <menubar name="MainMenu">
                    <menu action="File">
                        <menuitem action="Quit" />
                    </menu>
                    <menu action="Edit">
                        <separator />
                        <menuitem action="Settings" />
                    </menu>
                    <menu action="Help">
                        <menuitem action="About" />
                    </menu>
                </menubar>
            </ui>
            ''')
            
            self.main_window.add_accel_group(uimanager.get_accel_group())
            self.main_menu = uimanager.get_widget('/MainMenu')
            
        return self.main_menu
        
    #########################################################
    # callbacks
    #########################################################

    def item_data_callback(self, column, cell, model, iter, userdata=None):
        data=''
        if (userdata == None):
            # try to convert the object to string
            data =  model.get_value(iter, 0)
        else:
            if type(userdata) is type([]):
                data = getattr(model.get_value(iter, 0), userdata[0])()

                # modify data with the given functions
                for i in xrange (1, len(userdata)):
                    data = userdata[i](data)
            else:
                data = getattr(model.get_value(iter, 0), userdata)()

        # set the data as cell content
        if cell is not None:
            cell.set_property('text', data)
        else:
            return data

    def destroy_callback(self, widget, data=None):
        gtk.main_quit()
        return

    def about_click_callback(self, widget, data=None):
        """Show the about dialog."""
        
        about_window = gtk.AboutDialog()
        about_window.set_name('Todolist')
        about_window.set_version(version)
        about_window.set_copyright('2009 Alexander Sulfrian')
        about_window.set_license(gpl_3)
        about_window.set_website('http://git.animux.de/todolist.git')
        about_window.run()
        about_window.hide()
        return