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

from menuItem import MenuItem


#class LibView(gtk.ScrolledWindow):
class LibView(gtk.VBox):
	def __init__(self,data):
		gtk.VBox.__init__(self,False,0)
		self.win = gtk.ScrolledWindow()
		self.win.set_policy(gtk.POLICY_AUTOMATIC,gtk.POLICY_AUTOMATIC)
		self.data = data
		self.treeview = None
		self.col = None
		self.plist = None
		self.pbar = gtk.ProgressBar()
		self.pack_start(self.win)
		self.pack_start(self.pbar,False,False,0)
		self.makeRCMenu()
		self.makeLabel()
		self.update()
		self.win.show()
		
		
	# Use to update the library pane
	def update(self):
		rval = self.data.library.scanning
		if self.treeview:
			self.win.remove(self.treeview)
			self.treeview.remove_column(self.col)
		self.pbar.pulse()
		self.pbar.set_text("Found "+str(self.data.library.count)+" files.")
		tree = gtk.TreeStore(str,int)
		for artist in self.data.library.artAlb.keys():
			ariter = tree.append(None,[artist.title(),-1])
			for album in self.data.library.artAlb[artist]:
				aliter = tree.append(ariter,[album.title(),-1])
				for track in self.data.library.albTrk[(artist,album)]:
					tree.append(aliter,[self.data.library.files[track].title,self.data.library.files[track].id])
		tree.set_sort_column_id(0,gtk.SORT_ASCENDING)
		self.treeview = gtk.TreeView(tree)
		#self.treeview.set_hover_expand(True)
		self.treeview.set_enable_search(True)
		self.treeview.connect("button_release_event",self.clicked)
		self.col = gtk.TreeViewColumn('Library  ('+str(self.data.library.count)+')')
		self.treeview.append_column(self.col)
		cell = gtk.CellRendererText()
		self.col.pack_start(cell,True)
		self.col.add_attribute(cell,'text',0)
		self.col.set_sort_column_id(0)
		self.treeview.set_rules_hint(True)
		self.treeview.show()
		self.selection = self.treeview.get_selection()
		self.selection.set_mode(gtk.SELECTION_MULTIPLE)
		self.win.add(self.treeview)
		self.updateLabel()
		if rval==False:
			self.pbar.hide()
		return rval


	def makeLabel(self):
		self.label = gtk.Label("")
		self.updateLabel()


	def updateLabel(self):
		self.label.set_text(str(self.data.library.count)+" collected")
		self.label.show()


	# Begin updating the library
	def updates(self):
		self.pbar.show()
		gobject.timeout_add(1000,self.update)


	# Right click menu
	def makeRCMenu(self):
		self.rcmenu = gtk.Menu()
		add = MenuItem("Add to Playlist",self.populatePlaylist,None,None,None)
		self.rcmenu.append(add)


	# Show the right click menu on a right click
	def clicked(self,widget,data):
		if data.button == 3:
			self.rcmenu.popup(None,None,None,data.button,data.time)


	def populatePlaylist(self,widgit,func,data):
		(model,pathlist) = self.selection.get_selected_rows()
		list = []
		#self.data.curList = []
		for path in pathlist:
			iter = model.get_iter(path)
			self.popHelper(model,iter,model.iter_n_children(iter),list)
		#self.data.updateList = True
		self.plist.addToList(list,self.plist.plist)


	def popHelper(self,model,iter,count,list):
		if count == 0:
			row = model[iter][1]
			self.data.curList+=[row]
			list += [row]
			return
		
		child = model.iter_children(iter)
		for i in range(count):
			self.popHelper(model,child,model.iter_n_children(child),list)
			child = model.iter_next(child)