/** @file plot_schematic_PDF.cpp
 */

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 1992-2010 Jean-Pierre Charras <jean-pierre.charras@gipsa-lab.inpg.fr
 * Copyright (C) 1992-2010 KiCad Developers, see change_log.txt for contributors.
 *
 * This program 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, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#include <fctsys.h>
#include <worksheet.h>
#include <plot_common.h>
#include <class_sch_screen.h>
#include <wxEeschemaStruct.h>
#include <base_units.h>
#include <sch_sheet_path.h>
#include <dialog_plot_schematic.h>

void DIALOG_PLOT_SCHEMATIC::createPDFFile()
{
    SCH_SCREEN*     screen = m_parent->GetScreen();
    SCH_SHEET_PATH* sheetpath;
    SCH_SHEET_PATH  oldsheetpath = m_parent->GetCurrentSheet();     // sheetpath is saved here
    wxPoint         plot_offset;

    /* When printing all pages, the printed page is not the current page.  In
     * complex hierarchies, we must update component references and others
     * parameters in the given printed SCH_SCREEN, accordint to the sheet path
     * because in complex hierarchies a SCH_SCREEN (a drawing ) is shared
     * between many sheets and component references depend on the actual sheet
     * path used
     */
    SCH_SHEET_LIST SheetList( NULL );

    sheetpath = SheetList.GetFirst();

    // Allocate the plotter and set the job level parameter
    PDF_PLOTTER* plotter = new PDF_PLOTTER();
    plotter->SetDefaultLineWidth( g_DrawDefaultLineThickness );
    plotter->SetColorMode( getModeColor() );
    plotter->SetCreator( wxT( "Eeschema-PDF" ) );

    // First page handling is different
    bool first_page = true;

    do
    {
        // Step over the schematic hierarchy
        if( m_select_PlotAll )
        {
            SCH_SHEET_PATH list;

            if( list.BuildSheetPathInfoFromSheetPathValue( sheetpath->Path() ) )
            {
                m_parent->SetCurrentSheet( list );
                m_parent->GetCurrentSheet().UpdateAllScreenReferences();
                m_parent->SetSheetNumberAndCount();
                screen = m_parent->GetCurrentSheet().LastScreen();
            }
            else // Should not happen
                wxASSERT( 0 );

            sheetpath = SheetList.GetNext();
        }

        if( first_page )
        {
            wxString    msg;
            wxString    plotFileName = m_parent->GetUniqueFilenameForCurrentSheet() + wxT( "." )
                                       + PDF_PLOTTER::GetDefaultFileExtension();
            msg.Printf( _( "Plot: %s " ), GetChars( plotFileName ) );
            m_MessagesBox->AppendText( msg );

            FILE* output_file = wxFopen( plotFileName, wxT( "wb" ) );

            if( output_file == NULL )
            {
                msg = wxT( "\n** " );
                msg += _( "Unable to create " ) + plotFileName + wxT( " **\n" );
                m_MessagesBox->AppendText( msg );
                wxBell();
                return;
            }

            // Open the plotter and do the first page
            SetLocaleTo_C_standard();
            plotter->SetFilename( plotFileName );
            setupPlotPage( plotter, screen );
            plotter->StartPlot( output_file );
            first_page = false;
        }
        else
        {
            /* For the following pages you need to close the (finished) page,
             *  reconfigure, and then start a new one */
            plotter->ClosePage();
            setupPlotPage( plotter, screen );
            plotter->StartPage();
        }

        plotOneSheetPDF( plotter, screen );
    } while( m_select_PlotAll && sheetpath );

    // Everything done, close the plot and restore the environment
    plotter->EndPlot();
    delete plotter;
    SetLocaleTo_Default();

    // Restore the previous sheet
    m_parent->SetCurrentSheet( oldsheetpath );
    m_parent->GetCurrentSheet().UpdateAllScreenReferences();
    m_parent->SetSheetNumberAndCount();
}


void DIALOG_PLOT_SCHEMATIC::plotOneSheetPDF( PLOTTER* plotter, SCH_SCREEN* screen )
{
    if( getPlotFrameRef() )
    {
        plotter->SetColor( BLACK );
        PlotWorkSheet( plotter, m_parent->GetTitleBlock(),
                       m_parent->GetPageSettings(),
                       screen->m_ScreenNumber, screen->m_NumberOfScreens,
                       m_parent->GetScreenDesc(),
                       screen->GetFileName() );
    }

    screen->Plot( plotter );
}