##	Fonty Python Copyright (C) 2006, 2007, 2008, 2009 Donn.C.Ingle
##	Contact: donn.ingle@gmail.com - I hope this email lasts.
##
##	This file is part of Fonty Python.
##	Fonty Python is free software: you can redistribute it and/or modify
##	it under the terms of the GNU General Public License as published by
##	the Free Software Foundation, either version 3 of the License, or
##	(at your option) any later version.
##
##	Fonty Python is distributed in the hope that it will be useful,
##	but WITHOUT ANY WARRANTY; without even the implied warranty of
##	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
##	GNU General Public License for more details.
##
##	You should have received a copy of the GNU General Public License
##	along with Fonty Python.  If not, see <http://www.gnu.org/licenses/>.

import wx

## June 25th 2016
## Remarking these two lines because they are causing a segfault:
##  ../src/common/stdpbase.cpp(62): assert "traits" failed in Get(): 
##  create wxApp before calling this
##  Segmentation fault (core dumped)
##
##  I do not know how to test or fix this, hence simply removing it.
##  AFAICT, stock buttons will be in the system language.
##
## Setup wxPython to access translations : enables the stock buttons.
##langid = wx.LANGUAGE_DEFAULT # Picks this up from $LANG
##mylocale = wx.Locale( langid )

from pubsub import *
from wxgui import ps

from gui_PogChooser import *

import fpsys # Global objects
import fontyfilter
import fontybugs

## Fetch the dialogue classes - used for zip dir dialog.
import dialogues

class TargetPogChooser(wx.Panel):
	"""
	Far right-hand side control. Chooses target pogs. Houses control buttons.
	"""
	def __init__(self, parent):
		wx.Panel.__init__(self, parent, id = -1)	
		
		self.icon = wx.StaticBitmap( self, -1, wx.Bitmap(fpsys.mythingsdir + 'icon_target_16x16.png', wx.BITMAP_TYPE_PNG) )
		self.textInfo = wx.StaticText(self, -1, _("Target Pogs"), style = wx.ALIGN_LEFT)
		self.textInfo.SetFont(wx.Font(10, fpsys.DFAM, wx.NORMAL, wx.FONTWEIGHT_BOLD))
		
		s = None
		if fpsys.state.targetpattern == "P":
			s = fpsys.state.targetobject.name
			
		## The actual list control
		self.pogTargetlist = PogChooser(self, whoami="TARGETPOG", select = s) 
		
		## Subscriptions:
		ps.sub(target_pog_has_been_selected, self.OnPogTargetClick) ##DND: class TargetPogChooser
		ps.sub(clear_targetpog_selection, self.SelectNoTargetPog) ##DND: class TargetPogChooser
		
		## The "no pog" button
		self.idnone = wx.NewId()
		self.buttNoPog = wx.Button(self, label = _("Clear selection"), id = self.idnone)

		self.buttNoPog.SetToolTipString(_("Deselects any chosen Pogs."))
		## The buttons under the pog list
		## Giving them all id numbers so my single handler can tell them apart.
		self.idnew = wx.NewId()
		self.idinstall = wx.NewId()
		self.iduninstall = wx.NewId()
		self.iddelete = wx.NewId()
		#Sept 2009
		self.idzip = wx.NewId()

		self.buttNew = wx.Button(self, label = _("New Pog"), id = self.idnew ) 
		self.buttNew.SetToolTipString(_("Creates a new, empty Pog"))
		
		self.buttInstall = wx.Button(self, label = _("Install Pog"), id = self.idinstall ) 
		self.buttInstall.SetToolTipString(_("Installs all selected Pogs.\nUse SHIFT/CTRL+Click on the list above."))
		
		self.buttUninstall = wx.Button(self, label = _("Uninstall Pog"), id = self.iduninstall ) 
		self.buttUninstall.SetToolTipString(_("Uninstalls all selected Pogs.\nUse SHIFT/CTRL+Click on the list above."))
		
		self.buttDelete = wx.Button(self, label = _("Delete Pog") , id = self.iddelete) 
		self.buttDelete.SetToolTipString(_("Deletes the selected Pog(s)"))

		self.buttZip = wx.Button(self, label = _("Zip Pog(s)") , id = self.idzip) 
		self.buttZip.SetToolTipString(_("Save a zip file of the selected Pogs"))
		
		
		self.sizer = wx.BoxSizer(wx.VERTICAL)		 
		self.iconandtext = wx.BoxSizer(wx.HORIZONTAL)
		self.iconandtext.Add(self.icon, 0, wx.TOP | wx.BOTTOM, border = 4)
		self.iconandtext.Add(self.textInfo, 1, wx.EXPAND | wx.ALL, border = 4)
		self.sizer.Add(self.iconandtext, 0, wx.EXPAND)
		self.sizer.Add(self.pogTargetlist, 1, wx.EXPAND)
		self.sizer.Add(self.buttNoPog, 0, wx.EXPAND | wx.BOTTOM | wx.TOP, border=5)	  
		self.sizer.Add(self.buttInstall, 0, wx.EXPAND) 
		self.sizer.Add(self.buttUninstall, 0, wx.EXPAND) 
		self.sizer.Add(self.buttNew, 0, wx.EXPAND) 
		self.sizer.Add(self.buttDelete, 0, wx.EXPAND) 
		self.sizer.Add(self.buttZip, 0, wx.EXPAND) 
		self.SetSizer(self.sizer)
		
		## Bind the events:
		e=wx.EVT_BUTTON # was wx.EVT_LEFT_UP
		self.buttNoPog.Bind(e, self.multiClick)
		self.buttNew.Bind(e, self.multiClick)
		self.buttInstall.Bind(e, self.multiClick)
		self.buttUninstall.Bind(e, self.multiClick)
		self.buttDelete.Bind(e, self.multiClick)
		self.buttZip.Bind(e, self.multiClick)
		
		self.toggleButtons()
		
	## Catch all the button clicks on the control.
	def multiClick(self, e):
		## NEW
		if e.GetId() == self.idnew: 
			## New Pog button pressed
			dlg = wx.TextEntryDialog(
					self, _("Enter a name for the new Pog"),
					_("New Pog"), _("Fonty Python"))
			dlg.SetValue("")
			if dlg.ShowModal() == wx.ID_OK:
				nam = dlg.GetValue()
				if nam == "":
					ps.pub( show_message, _("A Pog with no name won't be created, however it was a good try!") )
				## Is it unique?
				elif fpsys.isPog(nam):
					## Nope, it's there already
					ps.pub(show_message, _("%s already exists.") % nam)
				else:
					## We have a winner.
					## Make a pog object and then write it,
					ipog = fontcontrol.Pog(nam)
					try:
						ipog.write()
					except fontybugs.PogWriteError, e:
						ps.pub(show_error_and_abort, unicode( e ))
					del ipog
					## Now put it into the list
					self.pogTargetlist.AddItem(nam)
					#ps.pub(add_item_to_notebook, nam)
					ps.pub( add_pog_item_to_source, nam )
					ps.pub( update_font_view )
			dlg.Destroy()
			return
		
		## A list of multiple-selected pog names:
		tl = self.pogTargetlist
		multipogs=[ tl.GetItemText(i) for i in xrange(tl.GetItemCount()) if tl.IsSelected(i)]

		## DELETE
		if e.GetId() == self.iddelete:
			## Selected Pog(s) to be deleted:
			tokill = multipogs
			iPogsToKill = []
			##Is any one of those installed?
			allok=True
			for p in tokill:
				## Michael Hoeft tested pog delete and noticed the bug. Thanks.
				## Fixed Oct 2009
				iPog = fontcontrol.Pog(p)
				if iPog.isInstalled():
					ps.pub( show_error, _("One or more selected Pogs is installed, fix your selection and try again.") )
					allok=False
					break
				iPogsToKill.append( iPog )

			if allok:
				## Build a string for reporting in the dialog
				if len(tokill) > 1: 
					pogname=""
					for f in tokill[:-1]:
						pogname += u"%s," % f
					pogname += tokill[-1] #We want "remove blah,bloop,zoom, are you sure?"
				else:
					pogname=tokill[0]

				dlg = wx.MessageDialog(self, _("Remove %s, are you sure?") % pogname,
									   _("Are you sure?"),
									   wx.YES_NO | wx.ICON_INFORMATION
									  )
				if dlg.ShowModal() == wx.ID_YES:
					## Let's do them in:
					for victim in iPogsToKill: #tokill:
						#fpsys.instantiateTargetPog(victim) #Makes the fpsys.state.targetobject
						## Now kill the file on disk:
						try:
							victim.delete()
							#fpsys.state.targetobject.delete()
						except fontybugs.PogCannotDelete, e:
							ps.pub(show_error, unicode( e ))
							return
						## Remove from the lists:
						self.pogTargetlist.RemoveItem(victim.name)
						ps.pub( remove_pog_item_from_source, victim.name)

						## What if it was ALSO our view object?
						if fpsys.state.viewobject.label() == victim.name:
							## It was! We must declare it Empty.
							fpsys.SetViewPogToEmpty()
					
					## Now re-draw things
					ps.pub(update_font_view)
					dlg.Destroy()

					## Select no pog.
					self.SelectNoTargetPog()
			return
		
		## NO POG pressed
		if e.GetId() == self.idnone:
			## Select No Pog button pressed
			if fpsys.state.targetobject is None: return #Already done.
			self.SelectNoTargetPog()
			ps.pub(update_font_view)
			return #No need to tell mainframe about this.
			


		## Prepare for Install/Uninstall POG

		## install or uninstall all selected pogs - caters for multiple pog selections
		## the instantiateTargetPog must be called on each pog-name in the list
		## to setup the globals in fpsys. This is new from my previous one-selection only
		## code which assumed that instantiateTargetPog had been called already (when pog
		## was selected by the mouse)

		## Install
		if e.GetId() == self.idinstall:
			wx.BeginBusyCursor()
			for p in multipogs: 
				fpsys.instantiateTargetPog(p) # sets up fpsys.state.targetobject
				
				ok=True
				try:
					fpsys.state.targetobject.install()
				except (fontybugs.PogSomeFontsDidNotInstall), er:
					## Show a warning, but continue.
					ps.pub( show_error, unicode(er) ) 
				except (fontybugs.PogEmpty, fontybugs.PogAllFontsFailedToInstall), er:
					## Either Pog is empty, or
					## not a single font in this pog actually installed.
					## It has already been flagged as NOT INSTALLED
					ps.pub( show_error, unicode(er) )
					ok=False
				except (fontybugs.NoFontsDir), er:
					ps.pub( show_error, unicode(er) )
					ok=False

				if ok:
					## Update GUI

					## July 2016
					## =========
					## Added this test to sync view and target
					## objects IF they happen to be the samePog
					if fpsys.state.samepogs:
						# We installed RHS, so need to set that in RHS
						# which is a sep object.
						fpsys.state.viewobject.setInstalledFlag(True)
					ps.pub( change_pog_icon )
					self.toggleButtons()
					ps.pub( update_font_view )

			wx.EndBusyCursor()
			
		## Uninstall
		if e.GetId() == self.iduninstall:
			wx.BeginBusyCursor()
			for p in multipogs:
				fpsys.instantiateTargetPog(p)

				ok=True
				try:
					fpsys.state.targetobject.uninstall()
				except (fontybugs.PogEmpty, 
								fontybugs.PogNotInstalled, 
								fontybugs.PogLinksRemain
							 ), er:
					## PogNotInstalled is prevented by buttons greying out in the gui.
					ps.pub( show_error, unicode(er) )
					ok=False
				if ok:
					## Update GUI

					## July 2016
					## =========
					## Added this test to sync view and target
					## objects IF they happen to be the samePog
					if fpsys.state.samepogs:
						# We uninstalled RHS, so need to set that in RHS
						# which is a sep object.
						fpsys.state.viewobject.setInstalledFlag(False)
					ps.pub( change_pog_icon )
					self.toggleButtons()
					ps.pub( update_font_view )

			wx.EndBusyCursor()	

		## Sep 2009 : ZIP POGS 
		if e.GetId() == self.idzip: 
			dlg = dialogues.LocateDirectory( self )
			ok=False
			if dlg.ShowModal() == wx.ID_OK:
				todir=dlg.GetPath()
				ok=True
			dlg.Destroy()
			if ok:
				wx.BeginBusyCursor()
				
				for p in multipogs:
					ipog = fontcontrol.Pog(p)
					bugs=ipog.zip( todir )

				wx.EndBusyCursor()	
				extra=""
				if bugs: extra=_("Some fonts were skipped, try purging the Pog(s) involved.")
				ps.pub(print_to_status_bar,_("Zip file(s) have been created.%s") % extra )
			else:
				ps.pub(print_to_status_bar,_("Zip cancelled."))


	def OnPogTargetClick(self, args):
		"""
		args[0] pogname
		args[1] is pognochange
		"""
		## Made it so a second click on a target pog will unselect it.
		if args[1]: #pognochange = True, so let's deselect this pog
			self.SelectNoTargetPog()
			ps.pub(update_font_view)
			return
		try:
			fpsys.instantiateTargetPog(args[0])
		except fontybugs.PogInvalid, e:
			ps.pub(show_error_and_abort, unicode( e ))
			return

		ps.pub(update_font_view)
		self.toggleButtons()
		
	def toggleButtons(self):
		## If this is a no target pog situation, hide 'em all.
		if fpsys.state.targetobject is None:
			self.buttDelete.Enable(False)
			self.buttInstall.Enable(False)
			self.buttUninstall.Enable(False)
			self.buttZip.Enable(False)
			return 
		installed = fpsys.state.targetobject.isInstalled()
		self.buttDelete.Enable(not(installed)) # DELETE button is inverse of installed status
		self.buttInstall.Enable(not(installed)) # INSTALL button is inverse 
		self.buttUninstall.Enable(installed) # UNINSTALL = True if pog is installed.
		self.buttZip.Enable(True)
		
	def SelectNoTargetPog(self):
		wx.BeginBusyCursor()
		## Go figure out what item gets what image
		self.pogTargetlist.SortOutTheDamnImages( pognochange = True )
		self.pogTargetlist.ClearSelection() #Select nothing.
		
		fpsys.SetTargetPogToNone()  # Tell fpsys that we have no pog target selected	
		self.toggleButtons() # Disable the buttons on the bottom right.		
		wx.EndBusyCursor()