/****************************************/
	/*	Module to load/save EESchema files.	*/
	/****************************************/

#include "fctsys.h"
#include "gr_basic.h"

#include "common.h"
#include "program.h"
#include "libcmp.h"
#include "general.h"

#include "protos.h"

#include "id.h"


static void LoadSubHierarchy(WinEDA_SchematicFrame * frame, EDA_BaseStruct *DrawList);

/* Variables locales */


/************************************************************************************/
int WinEDA_SchematicFrame::LoadOneEEProject(const wxString & FileName, bool IsNew)
/************************************************************************************/
/*
	Load an entire project ( shcematic root file and its subhierarchies, the configuration and the libs
	which are not already loaded)
*/
{
SCH_SCREEN *screen;
wxString FullFileName, msg;
bool LibCacheExist = FALSE;
	
	EDA_ScreenList ScreenList(NULL);
	for ( screen = ScreenList.GetFirst(); screen != NULL; screen = ScreenList.GetNext() )
	{
		if(screen->IsModify())
			break;
	}
	
	if ( screen )
	{
		if( ! IsOK(this, _("Clear Schematic Hierarchy (modified!)?")) ) return FALSE;
		if ( ScreenSch->m_FileName != g_DefaultSchematicFileName )
			SetLastProject(ScreenSch->m_FileName);
	}


	screen = ScreenSch ;

	FullFileName = FileName;
	if( (FullFileName.IsEmpty() ) && !IsNew )
	{
		wxString mask = wxT("*") + g_SchExtBuffer;
		FullFileName = EDA_FileSelector( _("Schematic files:"),
					wxEmptyString,		  			/* Chemin par defaut */
					wxEmptyString,					/* nom fichier par defaut */
					g_SchExtBuffer,		/* extension par defaut */
					mask,				/* Masque d'affichage */
					this,
					wxFD_OPEN,
					TRUE
					);
		if ( FullFileName.IsEmpty() ) return ( FALSE );
	}

	if( ClearProjectDrawList(screen, TRUE) == FALSE ) return(1);

	ActiveScreen = m_CurrentScreen = screen = ScreenSch;
	ScreenSch->ClearUndoRedoList();
	screen->m_CurrentItem = NULL;
	wxSetWorkingDirectory(wxPathOnly(FullFileName) );
	m_CurrentScreen->m_FileName = FullFileName;
	Affiche_Message(wxEmptyString);
	MsgPanel->EraseMsgBox();

	memset( &g_EESchemaVar,0, sizeof(g_EESchemaVar) );

	m_CurrentScreen->ClrModify();
	m_CurrentScreen->Pnext = NULL;

	if( IsNew )
	{
		screen->m_CurrentSheet = &g_Sheet_A4;
		screen->SetZoom(32);
		screen->m_SheetNumber = screen->m_NumberOfSheet = 1;
		screen->m_Title = wxT("noname.sch");
		m_CurrentScreen->m_FileName = screen->m_Title;
		screen->m_Company.Empty();
		screen->m_Commentaire1.Empty();
		screen->m_Commentaire2.Empty();
		screen->m_Commentaire3.Empty();
		screen->m_Commentaire4.Empty();
		Read_Config(wxEmptyString, TRUE);
		Zoom_Automatique(TRUE);
		ReDrawPanel();
		return (1);
	}
	// Rechargement de la configuration:
	msg = _("Ready\nWorking dir: \n") + wxGetCwd();
	PrintMsg(msg);

	Read_Config(wxEmptyString, FALSE);

	// Delete old caches.
LibraryStruct *nextlib, *lib = g_LibraryList;
	for (; lib != NULL; lib = nextlib )
	{
		nextlib = lib->m_Pnext;
		if ( lib->m_IsLibCache )
			FreeCmpLibrary(this, lib->m_Name);
	}

	if( IsNew )
	{
		ReDrawPanel();
		return (1);
	}

	// Loading the project library cache
	wxString FullLibName;
	wxString shortfilename;
	wxSplitPath(ScreenSch->m_FileName, NULL, &shortfilename, NULL);
	FullLibName << wxT(".") << STRING_DIR_SEP << shortfilename << wxT(".cache") << g_LibExtBuffer;
	if ( wxFileExists(FullLibName) )
	{
		wxString libname;
		libname = FullLibName;
		ChangeFileNameExt(libname,wxEmptyString);
		msg = wxT("Load ") + FullLibName;
		LibraryStruct *LibCache = LoadLibraryName(this, FullLibName, libname);
		if ( LibCache )
		{
			LibCache->m_IsLibCache = TRUE;
			msg += wxT(" OK");
		}
		else msg += wxT(" ->Error");
		PrintMsg( msg );
		LibCacheExist = TRUE;
	}

	if ( ! wxFileExists(ScreenSch->m_FileName) && !LibCacheExist)	// Nouveau projet prpbablement
	{
		msg.Printf( _("File %s not found (new project ?)"),
			ScreenSch->m_FileName.GetData() );
		DisplayInfo(this, msg, 20);
		return (-1);
	}
	
	if( LoadOneEEFile(ScreenSch, ScreenSch->m_FileName) == FALSE) return (0);

	/* load all subhierarchies fond in current list and new loaded list */
	LoadSubHierarchy(this, ScreenSch->EEDrawList);

	/* Reaffichage ecran de base (ROOT) si necessaire */
	ActiveScreen = ScreenSch;
	Zoom_Automatique(FALSE);

	return (1);
}


/*******************************************************************************/
void LoadSubHierarchy(WinEDA_SchematicFrame * frame, EDA_BaseStruct *DrawList)
/*******************************************************************************/
/* load subhierarcy when sheets are found in DrawList
	recursive function.
*/
{
EDA_BaseStruct * EEDrawList = DrawList;
	
	while(EEDrawList)
	{
		if( EEDrawList->m_StructType == DRAW_SHEET_STRUCT_TYPE)
		{
			#undef STRUCT
			#define STRUCT ((DrawSheetStruct*)EEDrawList)
			int timestamp = STRUCT->m_TimeStamp;
			if(timestamp == 0 )
			{
				timestamp = GetTimeStamp();
				STRUCT->m_TimeStamp = timestamp;
			}
			if( ! STRUCT->m_FileName.IsEmpty() )
			{
				if( frame->LoadOneEEFile(STRUCT, STRUCT->m_FileName) == TRUE )
				{
					LoadSubHierarchy(frame, STRUCT->EEDrawList);
				}
			}
			else DisplayError(frame, _("No FileName in SubSheet"));
		}
		EEDrawList = EEDrawList->Pnext;
	}
}