from list import List
import random
from menuItem import MenuItem

class Playlist(List):
	def __init__(self,data,queue,funcs):
		List.__init__(self,data,"Playlist",funcs)
		self.queue = queue
		self.makeRCMenu()


	def visible(self,func):
		List.visible(self,func)
		if (func == "show") and (self.populated == False):
			self.populate()


	def populate(self):
		for file in self.data.curList:
			List.insert(self,file)
		List.populate(self)


	# Insert songs into the list
	def insert(self,file):
		if self.populated == False:
			self.populate()
		List.insert(self,file)
		self.data.curList+=[file]


	def drop(self):
		List.drop(self)
		self.data.curList = []


	def getNext(self):
		# If random is true, give back a random song
		max = len(self.filter) - 1
		if max == -1:
			return False
		if self.data.random == True:
			self.data.curSong = self.filter[random.randint(0,max)][0]
		# Otherwise, give back next non-filtered song
		else:
			next = self.filter[0][0]
			for i in range(max):
				if self.filter[i][0]==self.data.curSong:
					next = self.filter[i+1][0]
					break
			self.data.curSong = next
		self.loadSong(self.data.library.files[self.data.curSong])
		return True


	def makeRCMenu(self):
		List.makeRCMenu(self)
		toQ = MenuItem("Add to queue",self.addToQ,None,None,None)
		self.rcmenu.prepend(toQ)


	def addToQ(self,widgit,func,data):
		self.selection(self.queue.insert)
		self.queue.filterRows("")


	def filterQuick(self,string):
		List.filterQuick(self,self.data.curList,string)