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

import pygtk
pygtk.require('2.0')
import gtk
import gobject

from license import version, gpl_3

class ui_pygtk:
    def __init__(self, itemList):
        self.itemList = itemList
        
        # create ui
        self.get_main_window(100, 100, 10, 10)

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

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

    def get_main_window(self, initial_width=None, initial_height=None,
                            initial_pos_x=None, initial_pos_y=None):
        if 'main_window' not in self.__dict__:
            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)    # very small minimal size
            self.main_window.resize(initial_width, initial_height)
            self.main_window.move(initial_pos_x, initial_pos_y)
	
            self.main_window.add(self.get_main_content_box())
        return self.main_window

    def get_main_content_box(self):
        if 'main_content_box' not in self.__dict__: 
            self.main_content_box = gtk.VBox(False, 1)
            self.main_content_box.pack_start(self.get_main_menu(), False, True, 0)
            self.main_content_box.pack_start(self.get_todo_list(), True, True, 0)
            self.main_content_box.pack_start(self.get_statusbar(), False, False, 0)
        return self.main_content_box
    
    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)

            self.action_group = gtk.ActionGroup('MainMenu')
            self.action_group.add_action_with_accel(quit_action, None) # None = default
            self.action_group.add_action(settings_action)
            self.action_group.add_action(file_action)
            self.action_group.add_action(edit_action)
            self.action_group.add_action(help_action)
            self.action_group.add_action(about_action)
        
            # definition of the UI
            uimanager = gtk.UIManager()
            uimanager.insert_action_group(self.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

    def get_todo_list(self):
        if 'todo_list' not in self.__dict__:
            self.todo_list = gtk.ScrolledWindow()
            self.todo_list.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)

        return self.todo_list

    def get_statusbar(self):
        if 'statusbar' not in self.__dict__:
            self.statusbar = gtk.Statusbar()
            self.statusbar.show()
        return self.statusbar
        
    #########################################################
    # callbacks
    #########################################################
    
    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