import Queue
import random
import pygtk
pygtk.require('2.0')
import gtk


class Playlist:
	#def __init__(self,prnt):
	def __init__(self):
		#self.prnt = prnt
		self.list = []
		self.queue = Queue.Queue()
		self.curSong = 0
		self.random = True
		self.translate = None
		self.opsNext = None
		#self.makeWindow()


	# Enqueue a song
	# Takes songid
	def queueSong(self,song):
		self.queue.put(song)


	# Insert the list of songs
	def insert(self,list):
		self.list = list


	# Return the next song
	def next(self):
		if self.queue.empty() == False:
			self.curSong = self.queue.get()
			return self.curSong
		if len(self.list) == 0:
			return -2

		if self.random==True:
			self.curSong = random.randint(0,len(self.list)-1)
		else:
			self.curSong += 1
			if self.curSong > len(self.list):
				self.curSong = 0
		song = self.list[self.curSong]
		return song


	# Play the selected song
	def selectSong(self,module,iter,path,data,list):
		self.queueSong(list[iter][0])
		self.opsNext(None,None)
		self.hideWindow(None,None)


	# Make the playlist window
	def makeWindow(self):
		self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
		self.window.connect("delete_event",self.hideWindow)
		self.window.set_size_request(200,300)
		self.scroll = gtk.ScrolledWindow()
		self.scroll.set_border_width(0)
		self.scroll.set_policy(gtk.POLICY_AUTOMATIC,gtk.POLICY_AUTOMATIC)
		self.window.add(self.scroll)
		self.populateList()


	# Fill in rows in the playlist
	def populateList(self):
		liststore = gtk.ListStore(int,str,str,str,int)
		#liststore = gtk.ListStore(str,str)
		for num in self.list:
			liststore.append(self.translate(num))
		treeview = gtk.TreeView(liststore)
		cell = gtk.CellRendererText()
		cols = ["Id","Title","Artist","Album","Count"]
		for i in range(len(cols)):
			col = gtk.TreeViewColumn(cols[i],cell)
			col.add_attribute(cell,'text',i)
			col.set_resizable(True)
			col.set_sort_column_id(i)
			treeview.append_column(col)
		
		treeview.set_search_column(1)
		treeview.connect("row-activated",self.selectSong,"clicked",liststore)
		treeview.show()
		treeview.columns_autosize()
		self.scroll.add(treeview)
		self.scroll.show()
		# Go to current song, enable grid lines
		selrow = self.curSong-10
		if selrow < 0:
			selrow = 0
		treeview.scroll_to_cell(selrow,None,False,0,0)
		treeview.set_grid_lines(True)
		treesel = treeview.get_selection()
		treesel.select_path(self.curSong)


	# Hide the playlist
	def hideWindow(self,widget,data):
		#self.scroll.hide()
		self.window.hide()
		self.window = None	


	# Show the playlist
	def showWindow(self,widget,data):
		#self.populateList()
		self.makeWindow()
		self.window.show()
		self.window.maximize()