## Sid Meier's Civilization 4
## Copyright Firaxis Games 2005
from CvPythonExtensions import *
import string
import CvUtil
import ScreenInput
import CvScreenEnums
import CvPediaScreen		# base class
import CvPediaTech
import CvPediaUnit
import CvPediaBuilding
import CvPediaPromotion
import CvPediaUnitChart
import CvPediaBonus
import CvPediaTerrain
import CvPediaFeature
import CvPediaImprovement
import CvPediaCivic
import CvPediaCivilization
import CvPediaLeader
import CvPediaSpecialist
import CvPediaHistory
import CvPediaProject
import CvPediaReligion
import CvPediaCorporation

# globals
gc = CyGlobalContext()
ArtFileMgr = CyArtFileMgr()
localText = CyTranslator()

class CvPediaMain( CvPediaScreen.CvPediaScreen ):
	"Civilopedia Main Screen"

	def __init__(self):
	
		self.PEDIA_MAIN_SCREEN_NAME = "PediaMainScreen"
		self.INTERFACE_ART_INFO = "SCREEN_BG_OPAQUE"

		self.WIDGET_ID = "PediaMainWidget"
		self.EXIT_ID = "PediaMainExitWidget"
		self.BACKGROUND_ID = "PediaMainBackground"
		self.TOP_PANEL_ID = "PediaMainTopPanel"
		self.BOTTOM_PANEL_ID = "PediaMainBottomPanel"
		self.BACK_ID = "PediaMainBack"
		self.NEXT_ID = "PediaMainForward"
		self.TOP_ID = "PediaMainTop"
		self.LIST_ID = "PediaMainList"

		self.X_SCREEN = 500
		self.Y_SCREEN = 396
		self.W_SCREEN = 1024
		self.H_SCREEN = 768
		self.Y_TITLE = 8
		self.DY_TEXT = 45
		
		self.X_EXIT = 994
		self.Y_EXIT = 730
						
		self.X_BACK = 50
		self.Y_BACK = 730

		self.X_FORWARD = 200
		self.Y_FORWARD = 730
		
		self.X_MENU = 450
		self.Y_MENU = 730

		self.BUTTON_SIZE = 64
		self.BUTTON_COLUMNS = 9

		self.X_ITEMS_PANE = 30
		self.Y_ITEMS_PANE = 80
		self.H_ITEMS_PANE = 610
		self.W_ITEMS_PANE = 740
		self.ITEMS_MARGIN = 18
		self.ITEMS_SEPARATION = 2
				
		self.X_LINKS = 797
		self.Y_LINKS = 51
		self.H_LINKS = 665
		self.W_LINKS = 225
		
		self.nWidgetCount = 0
		
		# screen instances
		self.pediaTechScreen = CvPediaTech.CvPediaTech(self)
		self.pediaUnitScreen = CvPediaUnit.CvPediaUnit(self)
		self.pediaBuildingScreen = CvPediaBuilding.CvPediaBuilding(self)
		self.pediaPromotionScreen = CvPediaPromotion.CvPediaPromotion(self)
		self.pediaUnitChart = CvPediaUnitChart.CvPediaUnitChart(self)
		self.pediaBonus = CvPediaBonus.CvPediaBonus(self)
		self.pediaTerrain = CvPediaTerrain.CvPediaTerrain(self)
		self.pediaFeature = CvPediaFeature.CvPediaFeature(self)
		self.pediaImprovement = CvPediaImprovement.CvPediaImprovement(self)
		self.pediaCivic = CvPediaCivic.CvPediaCivic(self)
		self.pediaCivilization = CvPediaCivilization.CvPediaCivilization(self)
		self.pediaLeader = CvPediaLeader.CvPediaLeader(self)
		self.pediaSpecialist = CvPediaSpecialist.CvPediaSpecialist(self)
		self.pediaProjectScreen = CvPediaProject.CvPediaProject(self)
		self.pediaReligion = CvPediaReligion.CvPediaReligion(self)
		self.pediaCorporation = CvPediaCorporation.CvPediaCorporation(self)
		self.pediaHistorical = CvPediaHistory.CvPediaHistory(self)
				
		# used for navigating "forward" and "back" in civilopedia
		self.pediaHistory = []
		self.pediaFuture = []
		
		self.listCategories = []

		
		self.iCategory = -1
		self.iLastScreen = -1
		self.iActivePlayer = -1
								
		self.mapCategories = { 
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_TECH	: self.placeTechs, 
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_UNIT	: self.placeUnits, 
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_BUILDING	: self.placeBuildings, 
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_WONDER	: self.placeWonders, 
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_TERRAIN	: self.placeTerrains,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_FEATURE	: self.placeFeatures,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_BONUS	: self.placeBoni, 
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_IMPROVEMENT	: self.placeImprovements,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_SPECIALIST	: self.placeSpecialists,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_PROMOTION	: self.placePromotions,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_UNIT_GROUP	: self.placeUnitGroups,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_CIV	: self.placeCivs,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_LEADER	: self.placeLeaders,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_RELIGION	: self.placeReligions,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_CORPORATION	: self.placeCorporations,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_CIVIC	: self.placeCivics,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_PROJECT	: self.placeProjects,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_CONCEPT	: self.placeConcepts,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_CONCEPT_NEW	: self.placeNewConcepts,
			CivilopediaPageTypes.CIVILOPEDIA_PAGE_HINTS	: self.placeHints,
			}
		
	def getScreen(self):
		return CyGInterfaceScreen(self.PEDIA_MAIN_SCREEN_NAME, CvScreenEnums.PEDIA_MAIN)
		
	def setPediaCommonWidgets(self):
		self.EXIT_TEXT = u"<font=4>" + localText.getText("TXT_KEY_PEDIA_SCREEN_EXIT", ()).upper() + "</font>"
		self.BACK_TEXT = u"<font=4>" + localText.getText("TXT_KEY_PEDIA_SCREEN_BACK", ()).upper() + "</font>"
		self.FORWARD_TEXT = u"<font=4>" + localText.getText("TXT_KEY_PEDIA_SCREEN_FORWARD", ()).upper() + "</font>"
		self.MENU_TEXT = u"<font=4>" + localText.getText("TXT_KEY_PEDIA_SCREEN_TOP", ()).upper() + "</font>"
		
		self.szCategoryTech = localText.getText("TXT_KEY_PEDIA_CATEGORY_TECH", ())		
		self.szCategoryUnit = localText.getText("TXT_KEY_PEDIA_CATEGORY_UNIT", ())		
		self.szCategoryBuilding = localText.getText("TXT_KEY_PEDIA_CATEGORY_BUILDING", ())		
		self.szCategoryWonder = localText.getText("TXT_KEY_CONCEPT_WONDERS", ())		
		self.szCategoryBonus = localText.getText("TXT_KEY_PEDIA_CATEGORY_BONUS", ())		
		self.szCategoryTerrain = localText.getText("TXT_KEY_PEDIA_CATEGORY_TERRAIN", ())		
		self.szCategoryFeature = localText.getText("TXT_KEY_PEDIA_CATEGORY_FEATURE", ())		
		self.szCategoryImprovement = localText.getText("TXT_KEY_PEDIA_CATEGORY_IMPROVEMENT", ())		
		self.szCategorySpecialist = localText.getText("TXT_KEY_PEDIA_CATEGORY_SPECIALIST", ())		
		self.szCategoryPromotion = localText.getText("TXT_KEY_PEDIA_CATEGORY_PROMOTION", ())		
		self.szCategoryUnitCombat = localText.getText("TXT_KEY_PEDIA_CATEGORY_UNIT_COMBAT", ())		
		self.szCategoryCiv = localText.getText("TXT_KEY_PEDIA_CATEGORY_CIV", ())		
		self.szCategoryLeader = localText.getText("TXT_KEY_PEDIA_CATEGORY_LEADER", ())		
		self.szCategoryReligion = localText.getText("TXT_KEY_PEDIA_CATEGORY_RELIGION", ())		
		self.szCategoryCorporation = localText.getText("TXT_KEY_CONCEPT_CORPORATIONS", ())		
		self.szCategoryCivic = localText.getText("TXT_KEY_PEDIA_CATEGORY_CIVIC", ())		
		self.szCategoryProject = localText.getText("TXT_KEY_PEDIA_CATEGORY_PROJECT", ())		
		self.szCategoryConcept = localText.getText("TXT_KEY_PEDIA_CATEGORY_CONCEPT", ())
		self.szCategoryConceptNew = localText.getText("TXT_KEY_PEDIA_CATEGORY_CONCEPT_NEW", ())
		self.szCategoryHints = localText.getText("TXT_KEY_PEDIA_CATEGORY_HINTS", ())
		
		self.listCategories = [ self.szCategoryTech, 
								self.szCategoryUnit, 
								self.szCategoryBuilding,
								self.szCategoryWonder,
								self.szCategoryTerrain, 
								self.szCategoryFeature, 
								self.szCategoryBonus, 
								self.szCategoryImprovement, 
								self.szCategorySpecialist, 
								self.szCategoryPromotion, 
								self.szCategoryUnitCombat, 
								self.szCategoryCiv, 
								self.szCategoryLeader,
								self.szCategoryReligion, 
								self.szCategoryCorporation, 
								self.szCategoryCivic, 
								self.szCategoryProject,  
								self.szCategoryConcept,
								self.szCategoryConceptNew,
								self.szCategoryHints]
								
		# Create a new screen
		screen = self.getScreen()
		screen.setRenderInterfaceOnly(True);
		screen.setScreenGroup(1)
		screen.showScreen(PopupStates.POPUPSTATE_IMMEDIATE, False)
		
		# Set background
		screen.addDDSGFC(self.BACKGROUND_ID, ArtFileMgr.getInterfaceArtInfo("SCREEN_BG_OPAQUE").getPath(), 0, 0, self.W_SCREEN, self.H_SCREEN, WidgetTypes.WIDGET_GENERAL, -1, -1 )
		screen.addPanel(self.TOP_PANEL_ID, u"", u"", True, False, 0, 0, self.W_SCREEN, 55, PanelStyles.PANEL_STYLE_TOPBAR )
		screen.addPanel(self.BOTTOM_PANEL_ID, u"", u"", True, False, 0, 713, self.W_SCREEN, 55, PanelStyles.PANEL_STYLE_BOTTOMBAR )
		screen.setDimensions(screen.centerX(0), screen.centerY(0), self.W_SCREEN, self.H_SCREEN)
		
		# Exit button
		screen.setText(self.EXIT_ID, "Background", self.EXIT_TEXT, CvUtil.FONT_RIGHT_JUSTIFY, self.X_EXIT, self.Y_EXIT, 0, FontTypes.TITLE_FONT, WidgetTypes.WIDGET_CLOSE_SCREEN, -1, -1)

		# Back
		screen.setText(self.BACK_ID, "Background", self.BACK_TEXT, CvUtil.FONT_LEFT_JUSTIFY, self.X_BACK, self.Y_BACK, 0, FontTypes.TITLE_FONT, WidgetTypes.WIDGET_PEDIA_BACK, 1, -1)
			
		# Forward
		screen.setText(self.NEXT_ID, "Background", self.FORWARD_TEXT, CvUtil.FONT_LEFT_JUSTIFY, self.X_FORWARD, self.Y_FORWARD, 0, FontTypes.TITLE_FONT, WidgetTypes.WIDGET_PEDIA_FORWARD, 1, -1)

		# List of items on the right
		screen.addListBoxGFC(self.LIST_ID, "", self.X_LINKS, self.Y_LINKS, self.W_LINKS, self.H_LINKS, TableStyles.TABLE_STYLE_STANDARD)
		screen.enableSelect(self.LIST_ID, True)
		screen.setStyle(self.LIST_ID, "Table_StandardCiv_Style")
		
	# Screen construction function
	def showScreen(self, iCategory):
		self.iCategory = iCategory

		self.deleteAllWidgets()						
							
		screen = self.getScreen()
		
		bNotActive = (not screen.isActive())
		if bNotActive:
			self.setPediaCommonWidgets()

		# Header...
		szHeader = u"<font=4b>" +localText.getText("TXT_KEY_WIDGET_HELP", ()).upper() + u"</font>"
		szHeaderId = self.getNextWidgetName()
		screen.setLabel(szHeaderId, "Background", szHeader, CvUtil.FONT_CENTER_JUSTIFY, self.X_SCREEN, self.Y_TITLE, 0, FontTypes.TITLE_FONT, WidgetTypes.WIDGET_PEDIA_DESCRIPTION, -1, -1)

		self.panelName = self.getNextWidgetName()
		screen.addPanel(self.panelName, "", "", false, false,
			self.X_ITEMS_PANE, self.Y_ITEMS_PANE, self.W_ITEMS_PANE, self.H_ITEMS_PANE, PanelStyles.PANEL_STYLE_BLUE50)
		
		if self.iLastScreen	!= CvScreenEnums.PEDIA_MAIN or bNotActive:		
			self.placeLinks(true)
			self.iLastScreen = CvScreenEnums.PEDIA_MAIN
		else:
			self.placeLinks(false)
		
		if (self.mapCategories.has_key(iCategory)):
			self.mapCategories.get(iCategory)()
			
	def placeTechs(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumTechInfos(), gc.getTechInfo )

		nColumns = 4
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getTechInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_TECH, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1
						
	def placeUnits(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumUnitInfos(), gc.getUnitInfo )
		
		if gc.getDefineINT("CIVILOPEDIA_SHOW_ACTIVE_CIVS_ONLY") and gc.getGame().isFinalInitialized():
			listCopy = list[:]
			for item in listCopy:
				if not gc.getGame().isUnitEverActive(item[1]):
					list.remove(item)

		nColumns = 5
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			szButton = gc.getUnitInfo(item[1]).getButton()
			if self.iActivePlayer != -1:
				szButton = gc.getPlayer(self.iActivePlayer).getUnitButton(item[1])
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", szButton, WidgetTypes.WIDGET_PEDIA_JUMP_TO_UNIT, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1
						
	def placeBuildings(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.pediaBuildingScreen.getBuildingSortedList(false)

		if gc.getDefineINT("CIVILOPEDIA_SHOW_ACTIVE_CIVS_ONLY") and gc.getGame().isFinalInitialized():
			listCopy = list[:]
			for item in listCopy:
				if not gc.getGame().isBuildingEverActive(item[1]):
					list.remove(item)

		nColumns = 4
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getBuildingInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_BUILDING, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1
						
	def placeWonders(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.pediaBuildingScreen.getBuildingSortedList(true)

		nColumns = 3
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getBuildingInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_BUILDING, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1
						
	def placeBoni(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumBonusInfos(), gc.getBonusInfo )

		nColumns = 2
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getBonusInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_BONUS, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1
			
	def placeImprovements(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumImprovementInfos(), gc.getImprovementInfo )

		nColumns = 1
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getImprovementInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_IMPROVEMENT, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1
															
	def placePromotions(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumPromotionInfos(), gc.getPromotionInfo )

		nColumns = 3
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getPromotionInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_PROMOTION, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1

	def placeUnitGroups(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumUnitCombatInfos(), gc.getUnitCombatInfo )

		nColumns = 1
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getUnitCombatInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_UNIT_COMBAT, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1

	def placeCivs(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumCivilizationInfos(), gc.getCivilizationInfo )

		if gc.getDefineINT("CIVILOPEDIA_SHOW_ACTIVE_CIVS_ONLY") and gc.getGame().isFinalInitialized():
			listCopy = list[:]
			for item in listCopy:
				if not gc.getGame().isCivEverActive(item[1]):
					list.remove(item)

		nColumns = 2
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if (gc.getCivilizationInfo(item[1]).isPlayable()):
				if iRow >= iNumRows:
					iNumRows += 1
					screen.appendTableRow(tableName)
				screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getCivilizationInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_CIV, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
				iCounter += 1
						
	def placeLeaders(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumLeaderHeadInfos(), gc.getLeaderHeadInfo )
		listCopy = list[:]
		for item in listCopy:
			if item[1] == gc.getDefineINT("BARBARIAN_LEADER"):
				list.remove(item)
			elif gc.getDefineINT("CIVILOPEDIA_SHOW_ACTIVE_CIVS_ONLY") and gc.getGame().isFinalInitialized():
				if not gc.getGame().isLeaderEverActive(item[1]):
					list.remove(item)

		nColumns = 3
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			
			iNumCivs = 0
			iLeaderCiv = -1
			for iCiv in range(gc.getNumCivilizationInfos()):
				civ = gc.getCivilizationInfo(iCiv)
				if civ.isLeaders(item[1]):
					iNumCivs += 1
					iLeaderCiv = iCiv

			if iNumCivs != 1:
				iLeaderCiv = -1

			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getLeaderHeadInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_LEADER, item[1], iLeaderCiv, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1

	def placeReligions(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumReligionInfos(), gc.getReligionInfo )

		nColumns = 1
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getReligionInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_RELIGION, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1
						
	def placeCorporations(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumCorporationInfos(), gc.getCorporationInfo )

		nColumns = 1
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getCorporationInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_CORPORATION, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1
						
	def placeCivics(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumCivicInfos(), gc.getCivicInfo )

		nColumns = 1
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getCivicInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_CIVIC, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1

	def placeProjects(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.pediaProjectScreen.getProjectSortedList()

		nColumns = 1
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iRow = iCounter % nRows
			iColumn = iCounter // nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getProjectInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_PROJECT, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1

	def placeTerrains(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumTerrainInfos(), gc.getTerrainInfo )

		nColumns = 1
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iColumn = iCounter // nRows
			iRow = iCounter % nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getTerrainInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_TERRAIN, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1

						
	def placeFeatures(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumFeatureInfos(), gc.getFeatureInfo )

		nColumns = 1
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iColumn = iCounter // nRows
			iRow = iCounter % nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getFeatureInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_FEATURE, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1
						
	def placeConcepts(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumConceptInfos(), gc.getConceptInfo )

		nColumns = 3
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iColumn = iCounter // nRows
			iRow = iCounter % nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getConceptInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_DESCRIPTION, CivilopediaPageTypes.CIVILOPEDIA_PAGE_CONCEPT, item[1], CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1

						
	def placeNewConcepts(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumNewConceptInfos(), gc.getNewConceptInfo )

		nColumns = 3
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iColumn = iCounter // nRows
			iRow = iCounter % nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getNewConceptInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_DESCRIPTION, CivilopediaPageTypes.CIVILOPEDIA_PAGE_CONCEPT_NEW, item[1], CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1

						
	def placeSpecialists(self):
		screen = self.getScreen()
		
		# Create and place a tech pane									
		list = self.getSortedList( gc.getNumSpecialistInfos(), gc.getSpecialistInfo )

		nColumns = 1
		nEntries = len(list)
		nRows = nEntries // nColumns
		if (nEntries % nColumns):
			nRows += 1
		tableName = self.getNextWidgetName()
		screen.addTableControlGFC(tableName, nColumns, self.X_ITEMS_PANE, self.Y_ITEMS_PANE+5, self.W_ITEMS_PANE, self.H_ITEMS_PANE-5, False, False, 24, 24, TableStyles.TABLE_STYLE_STANDARD);
		screen.enableSelect(tableName, False)
		for i in range(nColumns):
			screen.setTableColumnHeader(tableName, i, "", self.W_ITEMS_PANE/nColumns)
		
		iCounter = 0
		iNumRows = 0
		for item in list:
			iColumn = iCounter // nRows
			iRow = iCounter % nRows
			if iRow >= iNumRows:
				iNumRows += 1
				screen.appendTableRow(tableName)
			screen.setTableText(tableName, iColumn, iRow, u"<font=3>" + item[0] + u"</font>", gc.getSpecialistInfo(item[1]).getButton(), WidgetTypes.WIDGET_PEDIA_JUMP_TO_SPECIALIST, item[1], 1, CvUtil.FONT_LEFT_JUSTIFY)
			iCounter += 1
						
	def placeHints(self):
		screen = self.getScreen()
								
		self.szAreaId = self.getNextWidgetName()
		screen.addListBoxGFC( self.szAreaId, "",
									  self.X_ITEMS_PANE, self.Y_ITEMS_PANE, self.W_ITEMS_PANE, self.H_ITEMS_PANE, TableStyles.TABLE_STYLE_STANDARD )
		
		szHintsText = CyGameTextMgr().buildHintsList()
		hintText = string.split( szHintsText, "\n" )
		for hint in hintText:
			if len( hint ) != 0:
				screen.appendListBoxStringNoUpdate( self.szAreaId, hint, WidgetTypes.WIDGET_GENERAL, -1, -1, CvUtil.FONT_LEFT_JUSTIFY )
				
		screen.updateListBox(self.szAreaId)
										
	def placeLinks(self, bRedraw):
		
		screen = self.getScreen()
		
		if bRedraw:
			screen.clearListBoxGFC(self.LIST_ID)

		i = 0
		for szCategory in self.listCategories:
			if bRedraw:
				screen.appendListBoxStringNoUpdate(self.LIST_ID, szCategory, WidgetTypes.WIDGET_PEDIA_MAIN, i, 0, CvUtil.FONT_LEFT_JUSTIFY )
			i += 1
		
		if bRedraw:
			screen.updateListBox(self.LIST_ID)

		screen.setSelectedListBoxStringGFC(self.LIST_ID, self.iCategory)
					
	# returns a unique ID for a widget in this screen
	def getNextWidgetName(self):
		szName = self.WIDGET_ID + str(self.nWidgetCount)
		self.nWidgetCount += 1
		return szName
		
	def pediaJump(self, iScreen, iEntry, bRemoveFwdList):
	
		if (iEntry < 0):
			return
			
		self.iActivePlayer = gc.getGame().getActivePlayer()

		self.pediaHistory.append((iScreen, iEntry))
		if (bRemoveFwdList):
			self.pediaFuture = []

		if (iScreen == CvScreenEnums.PEDIA_MAIN):
			self.showScreen(iEntry)
		elif (iScreen == CvScreenEnums.PEDIA_TECH):
			self.pediaTechScreen.interfaceScreen(iEntry)
		elif (iScreen == CvScreenEnums.PEDIA_UNIT):
			self.pediaUnitScreen.interfaceScreen(iEntry)
		elif (iScreen == CvScreenEnums.PEDIA_BUILDING):
			self.pediaBuildingScreen.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_PROMOTION):
			self.pediaPromotionScreen.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_UNIT_CHART):
			self.pediaUnitChart.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_BONUS):
			self.pediaBonus.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_TERRAIN):
			self.pediaTerrain.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_FEATURE):
			self.pediaFeature.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_IMPROVEMENT):
			self.pediaImprovement.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_CIVIC):
			self.pediaCivic.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_CIVILIZATION):
			self.pediaCivilization.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_LEADER):
			self.pediaLeader.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_SPECIALIST):
			self.pediaSpecialist.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_PROJECT):
			self.pediaProjectScreen.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_RELIGION):
			self.pediaReligion.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_CORPORATION):
			self.pediaCorporation.interfaceScreen(iEntry)	
		elif (iScreen == CvScreenEnums.PEDIA_HISTORY):
			self.pediaHistorical.interfaceScreen(iEntry)	

	def back(self):
		if (len(self.pediaHistory) > 1):
			self.pediaFuture.append(self.pediaHistory.pop())
			current = self.pediaHistory.pop()
			self.pediaJump(current[0], current[1], False)
		return 1
		
	def forward(self):
		if (self.pediaFuture):
			current = self.pediaFuture.pop()
			self.pediaJump(current[0], current[1], False)
		return 1
		
	def pediaShow(self):
		if (not self.pediaHistory):
			self.pediaHistory.append((CvScreenEnums.PEDIA_MAIN, 0))
			
		current = self.pediaHistory.pop()
		
		# erase history so it doesn't grow too large during the game
		self.pediaFuture = []
		self.pediaHistory = []
		
		# jump to the last screen that was up
		self.pediaJump(current[0], current[1], False)
		
	def link(self, szLink):
		if (szLink == "PEDIA_MAIN_TECH"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_TECH), True)			
		if (szLink == "PEDIA_MAIN_UNIT"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_UNIT), True)			
		if (szLink == "PEDIA_MAIN_BUILDING"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_BUILDING), True)			
		if (szLink == "PEDIA_MAIN_TERRAIN"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_TERRAIN), True)			
		if (szLink == "PEDIA_MAIN_FEATURE"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_FEATURE), True)			
		if (szLink == "PEDIA_MAIN_BONUS"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_BONUS), True)			
		if (szLink == "PEDIA_MAIN_IMPROVEMENT"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_IMPROVEMENT), True)			
		if (szLink == "PEDIA_MAIN_SPECIALIST"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_SPECIALIST), True)			
		if (szLink == "PEDIA_MAIN_PROMOTION"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_PROMOTION), True)			
		if (szLink == "PEDIA_MAIN_UNIT_GROUP"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_UNIT_GROUP), True)			
		if (szLink == "PEDIA_MAIN_CIV"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_CIV), True)			
		if (szLink == "PEDIA_MAIN_LEADER"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_LEADER), True)			
		if (szLink == "PEDIA_MAIN_RELIGION"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_RELIGION), True)			
		if (szLink == "PEDIA_MAIN_CORPORATION"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_CORPORATION), True)			
		if (szLink == "PEDIA_MAIN_CIVIC"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_CIVIC), True)			
		if (szLink == "PEDIA_MAIN_PROJECT"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_PROJECT), True)			
		if (szLink == "PEDIA_MAIN_CONCEPT"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_CONCEPT), True)			
		if (szLink == "PEDIA_MAIN_CONCEPT_NEW"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_CONCEPT_NEW), True)			
		if (szLink == "PEDIA_MAIN_HINTS"):
			return self.pediaJump(CvScreenEnums.PEDIA_MAIN, int(CivilopediaPageTypes.CIVILOPEDIA_PAGE_HINTS), True)			

		for i in range(gc.getNumConceptInfos()):
			if (gc.getConceptInfo(i).isMatchForLink(szLink, False)):
				iEntryId = self.pediaHistorical.getIdFromEntryInfo(CivilopediaPageTypes.CIVILOPEDIA_PAGE_CONCEPT, i)
				return self.pediaJump(CvScreenEnums.PEDIA_HISTORY, iEntryId, True)
		for i in range(gc.getNumNewConceptInfos()):
			if (gc.getNewConceptInfo(i).isMatchForLink(szLink, False)):
				iEntryId = self.pediaHistorical.getIdFromEntryInfo(CivilopediaPageTypes.CIVILOPEDIA_PAGE_CONCEPT_NEW, i)
				return self.pediaJump(CvScreenEnums.PEDIA_HISTORY, iEntryId, True)
		for i in range(gc.getNumTechInfos()):
			if (gc.getTechInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_TECH, i, True)
		for i in range(gc.getNumUnitInfos()):
			if (gc.getUnitInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_UNIT, i, True)
		for i in range(gc.getNumCorporationInfos()):
			if (gc.getCorporationInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_CORPORATION, i, True)
		for i in range(gc.getNumBuildingInfos()):
			if (gc.getBuildingInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_BUILDING, i, True)
		for i in range(gc.getNumPromotionInfos()):
			if (gc.getPromotionInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_PROMOTION, i, True)
		for i in range(gc.getNumUnitCombatInfos()):
			if (gc.getUnitCombatInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_UNIT_CHART, i, True)				
		for i in range(gc.getNumBonusInfos()):
			if (gc.getBonusInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_BONUS, i, True)				
		for i in range(gc.getNumTerrainInfos()):
			if (gc.getTerrainInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_TERRAIN, i, True)
		for i in range(gc.getNumFeatureInfos()):
			if (gc.getFeatureInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_FEATURE, i, True)				
		for i in range(gc.getNumImprovementInfos()):
			if (gc.getImprovementInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_IMPROVEMENT, i, True)
		for i in range(gc.getNumCivicInfos()):
			if (gc.getCivicInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_CIVIC, i, True)
		for i in range(gc.getNumCivilizationInfos()):
			if (gc.getCivilizationInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_CIVILIZATION, i, True)
		for i in range(gc.getNumLeaderHeadInfos()):
			if (gc.getLeaderHeadInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_LEADER, i, True)
		for i in range(gc.getNumSpecialistInfos()):
			if (gc.getSpecialistInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_SPECIALIST, i, True)
		for i in range(gc.getNumProjectInfos()):
			if (gc.getProjectInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_PROJECT, i, True)
		for i in range(gc.getNumReligionInfos()):
			if (gc.getReligionInfo(i).isMatchForLink(szLink, False)):
				return self.pediaJump(CvScreenEnums.PEDIA_RELIGION, i, True)
																
	def deleteAllWidgets(self):
		screen = self.getScreen()
		iNumWidgets = self.nWidgetCount
		self.nWidgetCount = 0
		for i in range(iNumWidgets):
			screen.deleteWidget(self.getNextWidgetName())
		self.nWidgetCount = 0
		
		
			
	# Will handle the input for this screen...
	def handleInput (self, inputClass):
		# redirect to proper screen if necessary
		if (self.iLastScreen == CvScreenEnums.PEDIA_UNIT):
			return self.pediaUnitScreen.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_TECH):
			return self.pediaTechScreen.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_BUILDING):
			return self.pediaBuildingScreen.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_PROMOTION):
			return self.pediaPromotionScreen.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_UNIT_CHART):
			return self.pediaUnitChart.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_BONUS):
			return self.pediaBonus.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_TERRAIN):
			return self.pediaTerrain.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_FEATURE):
			return self.pediaFeature.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_IMPROVEMENT):
			return self.pediaImprovement.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_CIVIC):
			return self.pediaCivic.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_CIVILIZATION):
			return self.pediaCivilization.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_LEADER):
			return self.pediaLeader.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_SPECIALIST):
			return self.pediaSpecialist.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_PROJECT):
			return self.pediaProjectScreen.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_RELIGION):
			return self.pediaReligion.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_CORPORATION):
			return self.pediaCorporation.handleInput(inputClass)
		if (self.iLastScreen == CvScreenEnums.PEDIA_HISTORY):
			return self.pediaHistorical.handleInput(inputClass)
						
		return 0

