/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Created on: 11 Mar 2016, author John Beard
 * Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.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
 */

/**
 * @file array_creator.cpp
 */

#include "array_creator.h"

#include <class_undoredo_container.h>

#include <dialogs/dialog_create_array.h>


void ARRAY_CREATOR::Invoke()
{
    const int numItems = getNumberOfItemsToArray();

    // bail out if no items
    if( numItems == 0 )
        return;

    MODULE* const module = getModule();
    const bool isModuleEditor = module != NULL;

    const bool enableArrayNumbering = isModuleEditor;
    const wxPoint rotPoint = getRotationCentre();

    DIALOG_CREATE_ARRAY dialog( &m_parent, enableArrayNumbering, rotPoint );
    int ret = dialog.ShowModal();

    DIALOG_CREATE_ARRAY::ARRAY_OPTIONS* const array_opts = dialog.GetArrayOptions();

    if( ret == wxID_OK && array_opts != NULL )
    {
        PICKED_ITEMS_LIST newItemsList;

        if( isModuleEditor )
        {
            // modedit saves everything upfront
            m_parent.SaveCopyInUndoList( getBoard()->m_Modules, UR_MODEDIT );
        }

        for ( int i = 0; i < numItems; ++i )
        {
            BOARD_ITEM* item = getNthItemToArray( i );

            if( item->Type() == PCB_PAD_T && !isModuleEditor )
            {
                // If it is not the module editor, then duplicate the parent module instead
                item = static_cast<MODULE*>( item )->GetParent();
            }

            // The first item in list is the original item. We do not modify it
            for( int ptN = 1; ptN < array_opts->GetArraySize(); ptN++ )
            {
                BOARD_ITEM* new_item;

                if( isModuleEditor )
                {
                    // increment pad numbers if do any renumbering
                    // (we will number again later according to the numbering scheme if set)
                    new_item = module->DuplicateAndAddItem(
                            item, array_opts->ShouldNumberItems() );
                }
                else
                {
                    // PCB items keep the same numbering
                    new_item = getBoard()->DuplicateAndAddItem( item, false );

                    // @TODO: we should merge zones. This is a bit tricky, because
                    // the undo command needs saving old area, if it is merged.
                }

                if( new_item )
                {
                    array_opts->TransformItem( ptN, new_item, rotPoint );

                    prePushAction( new_item );

                    newItemsList.PushItem( new_item );  // For undo list

                    postPushAction( new_item );
                }

                // attempt to renumber items if the array parameters define
                // a complete numbering scheme to number by (as opposed to
                // implicit numbering by incrementing the items during creation
                if( new_item && array_opts->NumberingStartIsSpecified() )
                {
                    // Renumber pads. Only new pad number renumbering has meaning,
                    // in the footprint editor.
                    if( new_item->Type() == PCB_PAD_T )
                    {
                        const wxString padName = array_opts->GetItemNumber( ptN );
                        static_cast<D_PAD*>( new_item )->SetPadName( padName );
                    }
                }
            }
        }

        if( !isModuleEditor )
        {
            // Add all items as a single undo point for PCB editors
            m_parent.SaveCopyInUndoList( newItemsList, UR_NEW );
        }

        finalise();
    }
}