#	Programmer:	Daniel Pozmanter
#	E-mail:		drpython@bluebottle.com
#	Note:		You must reply to the verification e-mail to get through.
#
#	Copyright 2003-2005 Daniel Pozmanter
#
#	Distributed under the terms of the GPL (GNU Public License)
#
#	DrPython 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 2 of the License, or
#	(at your option) any later version.
#
#	This program 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 this program; if not, write to the Free Software
#	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
	
#Single Choice Dialog (Keyboard Navigation, FindCompletion with TextCtrl Echo.)

import wx

#*******************************************************************************************************


class drSingleChoiceDialog(wx.Dialog):
	def __init__(self, parent, title, choices, sort=True, point=wx.DefaultPosition, size=(250, 300), SetSizer=True):
		wx.Dialog.__init__(self, parent, -1, title, point, size, wx.DEFAULT_DIALOG_STYLE | wx.MAXIMIZE_BOX | wx.THICK_FRAME | wx.RESIZE_BORDER)
		
		self.parent = parent
			
		self.ID_CHOICES = 101
		self.ID_TXT_CHOICE = 102
		
		self.ID_OK = 111
		self.ID_CANCEL = 112
		
		#/Constants
		
		#Components:

		self.listChoices = wx.ListView(self, self.ID_CHOICES, (0, 0), (300, 300), style=wx.LC_REPORT|wx.LC_SINGLE_SEL|wx.LC_NO_HEADER)

		self.txtChoice = wx.TextCtrl(self, self.ID_TXT_CHOICE, '', (0, 0), (250, -1), style=wx.TE_READONLY)

		self.choices = choices
					
		self.listChoices.InsertColumn(0, 'Choices')
		
		if sort:
			self.choices.sort()

		self.setupchoices()
	
		self.OnSize(None)
	
		self.btnOk = wx.Button(self, self.ID_OK, "  &Ok  ")
		
		#self.btnOk.SetDefault()
								
		self.btnCancel = wx.Button(self, self.ID_CANCEL, "  &Cancel  ")
		
		#/Components
		
		#Sizer:
						
		self.theSizer = wx.BoxSizer(wx.VERTICAL)
	
		self.textSizer = wx.BoxSizer(wx.HORIZONTAL)
		
		self.textSizer.Add(wx.StaticText(self, -1, '  '), 0, wx.SHAPED | wx.ALIGN_RIGHT)
		self.textSizer.Add(self.txtChoice, 1, wx.EXPAND)
		self.textSizer.Add(wx.StaticText(self, -1, '  '), 0, wx.SHAPED)
		
		self.listSizer = wx.BoxSizer(wx.HORIZONTAL)
		
		self.listSizer.Add(wx.StaticText(self, -1, '  '), 0, wx.SHAPED | wx.ALIGN_RIGHT)
		self.listSizer.Add(self.listChoices, 1, wx.EXPAND)
		self.listSizer.Add(wx.StaticText(self, -1, '  '), 0, wx.SHAPED)
		
		self.commandSizer = wx.BoxSizer(wx.HORIZONTAL)
		
		self.commandSizer.Add(wx.StaticText(self, -1, '  '), 0, wx.SHAPED | wx.ALIGN_RIGHT)
		self.commandSizer.Add(self.btnCancel, 0, wx.SHAPED | wx.ALIGN_LEFT)
		self.commandSizer.Add(wx.StaticText(self, -1, '  '), 1, wx.EXPAND)
		self.commandSizer.Add(self.btnOk, 0, wx.SHAPED | wx.ALIGN_RIGHT)
		self.commandSizer.Add(wx.StaticText(self, -1, '  '), 0, wx.SHAPED | wx.ALIGN_RIGHT)
		
		self.theSizer.Add(wx.StaticText(self, -1, '  '), 0, wx.SHAPED)
		self.theSizer.Add(self.textSizer, 0, wx.EXPAND)
		self.theSizer.Add(wx.StaticText(self, -1, '  '), 0, wx.SHAPED)
		self.theSizer.Add(self.listSizer, 9, wx.EXPAND)
		self.theSizer.Add(wx.StaticText(self, -1, '  '), 0, wx.SHAPED)		
		self.theSizer.Add(self.commandSizer, 0, wx.EXPAND)
		self.theSizer.Add(wx.StaticText(self, -1, '  '), 0, wx.SHAPED)

		self.SetAutoLayout(True)
				
		if SetSizer:
			self.SetSizerAndFit(self.theSizer)
		
		#/Sizer
		
		#Events:
		
		self.Bind(wx.EVT_BUTTON, self.OnbtnCancel, id=self.ID_CANCEL)
		self.Bind(wx.EVT_BUTTON, self.OnbtnOk, id=self.ID_OK)
				
		self.listChoices.Bind(wx.EVT_LEFT_DCLICK, self.OnbtnOk)
		self.listChoices.Bind(wx.EVT_CHAR, self.OnChar)
		self.txtChoice.Bind(wx.EVT_CHAR, self.OnChar)
		
		self.Bind(wx.EVT_CHAR, self.OnChar)
		
		self.listChoices.Bind(wx.EVT_SIZE, self.OnSize)

		#/Events
		
		if self.listChoices.GetItemCount() > 0:
			self.listChoices.Select(0)
			self.listChoices.Focus(0)
	
		self.typedchoice = ''
	
	def GetSelection(self):
		return self.listChoices.GetItemData(self.listChoices.GetFirstSelected())
	
	def GetStringSelection(self):
		return self.listChoices.GetItemText(self.listChoices.GetFirstSelected())
		
	def OnbtnCancel(self, event):
		self.EndModal(wx.ID_CANCEL)
	
	def OnbtnOk(self, event):
		if self.listChoices.GetItemCount() > 0:
			self.EndModal(wx.ID_OK)
		else:
			self.EndModal(wx.ID_CANCEL)	

	def OnChar(self, event):
		keycode = event.GetKeyCode()
		
		if keycode >= 32 and keycode <= 127:
			self.typedchoice += chr(keycode).lower()
			self.UpdateTypedChoice()
		elif keycode == wx.WXK_BACK:
			self.typedchoice = self.typedchoice[:-1]
			self.UpdateTypedChoice()			
		
		if keycode == wx.WXK_UP or keycode == wx.WXK_DOWN:
			i = self.listChoices.GetFocusedItem()
			if keycode == wx.WXK_UP:
				i -= 1
			elif keycode == wx.WXK_DOWN:
				i += 1
			if (i < self.listChoices.GetItemCount()) and (i > -1):
				self.listChoices.Select(i)
				self.listChoices.Focus(i)
				return
		
		if (keycode == wx.WXK_ESCAPE):
			self.OnbtnCancel(None)
		elif (keycode == wx.WXK_RETURN):
			self.OnbtnOk(None)
		else:
			event.Skip()

	def OnSize(self, event):
		self.listChoices.SetColumnWidth(0, self.listChoices.GetSizeTuple()[0])	
		if event is not None:
			event.Skip()
	
	def setupchoices(self, findstr=''):
		self.listChoices.DeleteAllItems()
		x = 0
		sofar = 0
		if len(findstr) > 0:
			for c in self.choices:
				a = c.lower()
				if a.find(findstr) > -1:
					self.listChoices.InsertStringItem(sofar, c)
					self.listChoices.SetItemData(sofar, x)
					sofar += 1
				x += 1					
		else:
			for c in self.choices:
				self.listChoices.InsertStringItem(x, c)
				self.listChoices.SetItemData(x, x)
				x += 1
			
	def UpdateTypedChoice(self):
		self.txtChoice.SetValue(self.typedchoice)
		self.setupchoices(self.typedchoice)
		if self.listChoices.GetItemCount() > 0:
			self.listChoices.Select(0)
			self.listChoices.Focus(0)