from PyQt4 import QtGui
from clMonty import monty
from clPlugin import *
from misc import *
from wgPlaylist import Playlist
from wgSongList import clrRowSel

LIBRARY_MODES_DEFAULT='$artist\n'\
	'$artist/$date - $album\n'\
	'$artist - $album\n'\
	'$album ($artist)\n'\
	'$genre\n'\
	'$genre/$artist\n'\
	'$genre/$artist - $album\n'
class pluginLibrary(Plugin):
	o=None
	def __init__(self, winMain):
		Plugin.__init__(self, winMain, 'Library')
	def _load(self):
		self.o=Playlist(self.winMain, self, ['song'], 'Library'
				, self.onDoubleClick, self.onKeyPress, self.getSetting('modes').split('\n'))
	def _unload(self):
		self.o=None
	def getInfo(self):
		return "List showing all the songs allowing filtering and grouping."
	
	def getList(self):
		return self.o
	
	def _getDockWidget(self):
		return self._createDock(self.o)
	
	def onDoubleClick(self):
		self.addLibrarySelToPlaylist()

	def onKeyPress(self, event):
		# Add selection, or entire library to playlist using ENTER-key.
		if event.key()==QtCore.Qt.Key_Enter or event.key()==QtCore.Qt.Key_Return:
			self.addLibrarySelToPlaylist()
		return QtGui.QWidget.keyPressEvent(self.o, event)

	def addLibrarySelToPlaylist(self):
		"""Add the library selection to the playlist."""
		songs=self.o.selectedSongs()
		self.setStatus('Adding '+str(len(songs))+' songs to library ...')
		doEvents()

		# add filepaths of selected songs to path
		paths=map(lambda song: unicode(song.getFilepath()), songs)
		# add in chunks of 1000
		CHUNK_SIZE=1000
		start=0
		while start<len(paths):
			if start+CHUNK_SIZE<len(paths):
				end=start+CHUNK_SIZE
			else:
				end=len(paths)
			self.setStatus('Adding '+str(len(songs))+' songs to library: %i%%'%(int(100*start/len(paths))))
			doEvents()
			monty.addToPlaylist(paths[start:end])
			start+=CHUNK_SIZE

		self.setStatus('')
		doEvents()
		self.getWinMain().fillPlaylist()

	def _getSettings(self):
		modes=QtGui.QTextEdit()
		modes.insertPlainText(self.getSetting('modes'))
		return [
			['modes', 'Modes', 'Sets the available modes.', modes],
		]
	def afterSaveSettings(self):
		self.o.setModes(self.getSetting('modes').split('\n'))