#!/usr/bin/python

import gtk
try :
    import hildon
except :
    hildon = False

import math

import wifimap.config

import wifimap.view


class AbstractMapWindow:

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

    def press_event ( self, widget, event, *args ) :
      border_x , border_y = 40 , 30
      if event.x > border_x and event.y > border_y and event.x < ( self.size_x - border_x ) and event.y < ( self.size_y - border_y ) :
        self.click_x = event.x
        self.click_y = event.y

    def release_event ( self, widget, event, *args ) :
      min_shift = 50
      if self.click_x is not None and self.click_y is not None :
        delta_x = int( event.x - self.click_x )
        delta_y = int( event.y - self.click_y )
        shift = math.sqrt( delta_x * delta_x + delta_y * delta_y )
        if shift > min_shift :
          self.map.Shift(delta_x, delta_y)
      self.click_x , self.click_y = None , None

    def on_key_press ( self, widget, event, *args ) :
      if event.keyval == gtk.keysyms.Up :
          self.map.Up()
      elif event.keyval == gtk.keysyms.Down :
          self.map.Down()
      elif event.keyval == gtk.keysyms.Right :
          self.map.Right()
      elif event.keyval == gtk.keysyms.Left :
          self.map.Left()
      else :
          print "UNKNOWN",event.keyval

    def __init__( self , map_size=(800,480) ) :

        self.connect("destroy", self.destroy)

        self.set_border_width(10)

        self.connect("key-press-event", self.on_key_press)

        self.vbox = gtk.VBox(False, 0)

        self.set_events( gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK )
        self.connect('button_press_event', self.press_event)
        self.connect('button_release_event', self.release_event)

        self.config = wifimap.config.Configuration()
        self.map = wifimap.view.mapWidget( self.config , map_size )
        self.vbox.pack_end( self.map , True , True , 5)

        self.size_x , self.size_y = map_size
        self.click_x , self.click_y = None , None

    def run(self):
        gtk.main()

if hildon :

    class MapWindow ( AbstractMapWindow , hildon.Window ) :

        def __init__(self):
            hildon.Window.__init__( self )
            zoomlevel.set_title( "Wifi Map" )
            program = hildon.Program.get_instance()
            program.add_window(self)

            AbstractMapWindow.__init__(self)
            self.add( self.vbox )

            self.create_menu( self.vbox )

            self.show_all()

        def create_menu ( self , vbox ) :

            self.menubar = menubar = hildon.AppMenu()

            selector = wifimap.config.ZoomDialog( self.map.conf , self.map.SetZoom )
            zoomlevel = hildon.PickerButton(gtk.HILDON_SIZE_AUTO,
                                          hildon.BUTTON_ARRANGEMENT_VERTICAL)
            zoomlevel.set_title( "Zoom" )
            zoomlevel.set_selector( selector )
            zoomlevel.connect_object( "value-changed", selector.zoomdialog , zoomlevel , self.map.conf )
            menubar.append( zoomlevel )

            menubar.show_all()
            self.set_app_menu( menubar )

else :

    class MapWindow ( AbstractMapWindow , gtk.Window ) :

        def __init__(self):
            gtk.Window.__init__( self , gtk.WINDOW_TOPLEVEL )
            AbstractMapWindow.__init__(self)
            self.add( self.vbox )
            self.create_menu( self.vbox )
            self.show_all()

            self.resize( self.size_x , self.size_y)

        def create_menu ( self , vbox ) :

            menubar = gtk.MenuBar()

            zoomlevel = gtk.MenuItem( label="Zoom level" )
            zoomlevel.connect_object( "activate", self.zoomdialog, self.map.conf )
            menubar.append( zoomlevel )

            vbox.pack_start(menubar,True,True,5)

        def zoomdialog ( self , config ) :
            dialog = wifimap.config.ZoomDialog( config , self.map.SetZoom )
            dialog.show_all()

window = MapWindow()
window.run()