from PyQt4 import QtGui, QtCore
import sys

from misc import *
from clMonty import monty
from clSettings import settings
import plugins


class winSettings(QtGui.QWidget):
	btnSave=None
	btnClose=None
	lstPlugins=None
	
	winMain=None
	
	def __init__(self, winMain, parent=None):
		QtGui.QWidget.__init__(self, parent)
		self.winMain=winMain
		
		self.btnSave=Button('save all', self.onBtnSaveClick)
		self.btnClose=Button('close', self.onBtnCloseClick)
		
		self.lstPlugins=QtGui.QListWidget(self)
		layoutWin=QtGui.QVBoxLayout()
		layoutButtons=QtGui.QHBoxLayout()
		
		tabWidget=QtGui.QTabWidget(parent)
		self.setLayout(layoutWin)
		
		tabWidget.addTab(self.lstPlugins, "plugins")
		for k,entry in plugins.listPlugins().iteritems():
			plugin=entry[plugins.PLUGIN_INSTANCE]
			if plugin:
				tabWidget.addTab(plugin.getSettingsWidget(), plugin.getName())
		self.fillList()
		
		layoutWin.addWidget(tabWidget)
		layoutWin.addLayout(layoutButtons)
		
		layoutButtons.addStretch()
		layoutButtons.addWidget(self.btnSave)
		layoutButtons.addWidget(self.btnClose)
		
		self.connect(self.lstPlugins, QtCore.SIGNAL('itemChanged (QListWidgetItem*)'), self.onlstPluginItemChanged)
		
		self.setWindowIcon(appIcon)
		self.setWindowTitle('Settings')
		self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
		self.center()
		self.resize(800,400)
		doEvents()

	def fillList(self):
		self.lstPlugins.clear()
		for k,entry in plugins.listPlugins().iteritems():
			plugin=entry[plugins.PLUGIN_INSTANCE]
			if plugin:
				item=QtGui.QListWidgetItem("%s\t%s"%(entry[plugins.PLUGIN_CLASS], plugin.getInfo()))
				if plugin.isLoaded():
					item.setCheckState(QtCore.Qt.Checked)
				else:
					item.setCheckState(QtCore.Qt.Unchecked)
				
				if settings.get('%s.load'%(plugin.getName(True)),None)==None:
					# load new plugins by default
					item.setTextColor(QtCore.Qt.blue)
					settings.set('%s.load'%(plugin.getName(True)), 1)
			else:
				item=QtGui.QListWidgetItem("%s\t%s"%(entry[plugins.PLUGIN_CLASS], entry[plugins.PLUGIN_MSG]))
				item.setCheckState(QtCore.Qt.Unchecked)
				item.setTextColor(QtCore.Qt.red)
			self.lstPlugins.addItem(item)
		

	def center(self):
		screen = QtGui.QDesktopWidget().screenGeometry()
		size = self.geometry()
		self.move((screen.width()-size.width())/2, (screen.height()-size.height())/2+100)
	
	def onBtnSaveClick(self):
		map(lambda entry: entry[plugins.PLUGIN_INSTANCE] and entry[plugins.PLUGIN_INSTANCE].saveSettings(), plugins.listPlugins().values())

	def onBtnCloseClick(self):
		 self.close()
	def onlstPluginItemChanged(self, item):
		# check here if we have to load or unload the plugin!
		toload=int(item.checkState()==QtCore.Qt.Checked)
		className=str(item.text()[0:str(item.text()).find('\t')])
		if toload:
			# refresh the plugin file
			plugin=plugins.loadPlugin(className, self.winMain)
			if plugin:
				plugin.load()
			self.fillList()
		else:
			plugin=plugins.getPlugin(className)
			if plugin:
				plugin.unload()
		if plugin:
			settings.set('%s.load'%(plugin.getName(True)), toload)
	def closeEvent(self, event):
		map(lambda entry: entry[plugins.PLUGIN_INSTANCE] and entry[plugins.PLUGIN_INSTANCE].resetSettingCache(), plugins.listPlugins().values())
		self.winMain.wSettings=None