#!/usr/bin/python

import gtk
try :
    import hildon
except :
    hildon = False

import math

import wifimap.config

import wifimap.view


if hildon :

    class ZoomDialog ( hildon.TouchSelector ) :

        def __init__ ( self , widget ) :
            hildon.TouchSelector.__init__( self )

            zooms = gtk.ListStore(str)

            active = index = 0
            for zoom in range(8,19) :
                iter = zooms.append()
                zooms.set( iter , 0 , "%2d" % zoom )
                if zoom == widget.conf.zoom :
                    active = index
                index += 1

            column = self.append_text_column( zooms , True )
            #renderer = gtk.CellRendererText()
            #column = self.append_column( zooms , renderer )
            #column.set_property('text-column', 0)

            # NOTE : with text=True, we must use 1 instead of 0
            self.set_active( 0 , active )

else :

    class ZoomDialog ( gtk.Dialog ) :

        def __init__ ( self , widget ) :
            gtk.Dialog.__init__( self , "Select zoom level",
                                 None,
                                 gtk.DIALOG_MODAL,
                                 ( gtk.STOCK_OK, gtk.RESPONSE_ACCEPT,
                                   gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT
                                   )
                                 )

            zooms = gtk.ListStore(int)
            combo = gtk.ComboBox( zooms )

            for zoom in range(8,19) :
                iter = zooms.append()
                zooms.set( iter , 0 , zoom )
                if zoom == widget.conf.zoom :
                    combo.set_active_iter( iter )

            cell = gtk.CellRendererText()
            combo.pack_start(cell, True)
            combo.add_attribute(cell, 'text', 0)

            self.vbox.pack_start(combo , True, True, 0)

            self.connect_object( "response", self.response , combo , widget )

        def response ( self , combo , response  , widget ) :
            if response == gtk.RESPONSE_ACCEPT :
                item = combo.get_active_iter()
                model = combo.get_model()
                widget.SetZoom( model.get(item,0)[0] )
            self.destroy()


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 zoomdialog ( self , widget ) :
        dialog = ZoomDialog( widget )
        dialog.show_all()

    def run(self):
        gtk.main()

if hildon :

    class MapWindow ( AbstractMapWindow , hildon.Window ) :

        def __init__(self):
            hildon.Window.__init__( 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()

            #zoomlevel = hildon.Button(gtk.HILDON_SIZE_AUTO,
            #                          hildon.BUTTON_ARRANGEMENT_VERTICAL,
            #                          "Zoom level", None)
            #zoomlevel.connect_object( "clicked", self.zoomstack, self.map )
            selector = ZoomDialog( self.map )
            zoomlevel = hildon.PickerButton(gtk.HILDON_SIZE_AUTO,
                                          hildon.BUTTON_ARRANGEMENT_VERTICAL)
            zoomlevel.set_title( "Zoom" )
            zoomlevel.set_selector( selector )
            zoomlevel.connect_object( "value-changed", self.map.ZoomChange , selector )
            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 )
            menubar.append( zoomlevel )

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

window = MapWindow()
window.run()