/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 1992-2014 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
 */

#include <boost/bind.hpp>

#include <fctsys.h>
#include <class_drawpanel.h>
#include <confirm.h>
#include <pcbnew.h>
#include <wxPcbStruct.h>
#include <pcbcommon.h>
#include <ratsnest_data.h>

#include <class_board.h>
#include <class_module.h>
#include <class_track.h>
#include <class_zone.h>

#include <dialog_global_deletion.h>


DIALOG_GLOBAL_DELETION::DIALOG_GLOBAL_DELETION( PCB_EDIT_FRAME* parent ) :
    DIALOG_GLOBAL_DELETION_BASE( parent )
{
    m_Parent = parent;
    m_currentLayer = F_Cu;
    m_TrackFilterAR->Enable( m_DelTracks->GetValue() );
    m_TrackFilterLocked->Enable( m_DelTracks->GetValue() );
    m_TrackFilterNormal->Enable( m_DelTracks->GetValue() );
    m_TrackFilterVias->Enable( m_DelTracks->GetValue() );
    m_ModuleFilterLocked->Enable( m_DelModules->GetValue() );
    m_ModuleFilterNormal->Enable( m_DelModules->GetValue() );
    SetFocus();

    GetSizer()->SetSizeHints( this );
    Centre();
}


void PCB_EDIT_FRAME::InstallPcbGlobalDeleteFrame( const wxPoint& pos )
{
    DIALOG_GLOBAL_DELETION dlg( this );
    dlg.SetCurrentLayer( GetActiveLayer() );

    dlg.ShowModal();
}


void DIALOG_GLOBAL_DELETION::SetCurrentLayer( LAYER_NUM aLayer )
{
    m_currentLayer = aLayer;
    m_textCtrlCurrLayer->SetValue( m_Parent->GetBoard()->GetLayerName( ToLAYER_ID( aLayer ) ) );
}


void DIALOG_GLOBAL_DELETION::OnCheckDeleteTracks( wxCommandEvent& event )
{
    m_TrackFilterAR->Enable( m_DelTracks->GetValue() );
    m_TrackFilterLocked->Enable( m_DelTracks->GetValue() );
    m_TrackFilterNormal->Enable( m_DelTracks->GetValue() );
    m_TrackFilterVias->Enable( m_DelTracks->GetValue() );
}


void DIALOG_GLOBAL_DELETION::OnCheckDeleteModules( wxCommandEvent& event )
{
    m_ModuleFilterLocked->Enable( m_DelModules->GetValue() );
    m_ModuleFilterNormal->Enable( m_DelModules->GetValue() );
}


void DIALOG_GLOBAL_DELETION::AcceptPcbDelete( )
{
    bool gen_rastnest = false;

    m_Parent->SetCurItem( NULL );

    if( m_DelAlls->GetValue() )
    {
        m_Parent->Clear_Pcb( true );
    }
    else
    {
        if( !IsOK( this, _( "Are you sure you want to delete the selected items?" ) ) )
            return;

        BOARD*            pcb = m_Parent->GetBoard();
        PICKED_ITEMS_LIST pickersList;
        ITEM_PICKER       itemPicker( NULL, UR_DELETED );
        BOARD_ITEM*       item;
        BOARD_ITEM*       nextitem;
        RN_DATA*          ratsnest = pcb->GetRatsnest();

        LSET layers_filter = LSET().set();

        if( m_rbLayersOption->GetSelection() != 0 )     // Use current layer only
            layers_filter = LSET( ToLAYER_ID( m_currentLayer ) );

        if( m_DelZones->GetValue() )
        {
            int area_index = 0;
            item = pcb->GetArea( area_index );

            while( item )
            {
                if( layers_filter[item->GetLayer()] )
                {
                    itemPicker.SetItem( item );
                    pickersList.PushItem( itemPicker );
                    pcb->Remove( item );
                    item->ViewRelease();
                    ratsnest->Remove( item );
                    gen_rastnest = true;
                }
                else
                {
                    area_index++;
                }

                item = pcb->GetArea( area_index );
            }
        }

        if( m_DelDrawings->GetValue() || m_DelBoardEdges->GetValue() )
        {
            LSET masque_layer;

            if( m_DelDrawings->GetValue() )
                 masque_layer = LSET::AllNonCuMask().set( Edge_Cuts, false );

            if( m_DelBoardEdges->GetValue() )
                 masque_layer.set( Edge_Cuts );

            masque_layer &= layers_filter;

            for( item = pcb->m_Drawings; item; item = nextitem )
            {
                nextitem = item->Next();

                if( item->Type() == PCB_LINE_T  &&  masque_layer[item->GetLayer()] )
                {
                    itemPicker.SetItem( item );
                    pickersList.PushItem( itemPicker );
                    item->ViewRelease();
                    item->UnLink();
                }
            }
        }

        if( m_DelTexts->GetValue() )
        {
            LSET del_text_layers = layers_filter;

            for( item = pcb->m_Drawings; item; item = nextitem )
            {
                nextitem = item->Next();

                if( item->Type() == PCB_TEXT_T  &&  del_text_layers[item->GetLayer()] )
                {
                    itemPicker.SetItem( item );
                    pickersList.PushItem( itemPicker );
                    item->ViewRelease();
                    item->UnLink();
                }
            }
        }

        if( m_DelModules->GetValue() )
        {
            for( item = pcb->m_Modules; item; item = nextitem )
            {
                nextitem = item->Next();

                if( layers_filter[item->GetLayer()] &&
                    ( ( m_ModuleFilterNormal->GetValue() && !item->IsLocked() ) ||
                      ( m_ModuleFilterLocked->GetValue() && item->IsLocked() ) ) )
                {
                    itemPicker.SetItem( item );
                    pickersList.PushItem( itemPicker );
                    static_cast<MODULE*>( item )->RunOnChildren(
                            boost::bind( &KIGFX::VIEW_ITEM::ViewRelease, _1 ) );
                    ratsnest->Remove( item );
                    item->ViewRelease();
                    item->UnLink();
                    gen_rastnest = true;
                }
            }
        }

        if( m_DelTracks->GetValue() )
        {
            STATUS_FLAGS track_mask_filter = 0;

            if( !m_TrackFilterLocked->GetValue() )
                track_mask_filter |= TRACK_LOCKED;

            if( !m_TrackFilterAR->GetValue() )
                track_mask_filter |= TRACK_AR;

            TRACK* nexttrack;

            for( TRACK *track = pcb->m_Track; track; track = nexttrack )
            {
                nexttrack = track->Next();

                if( ( track->GetState( TRACK_LOCKED | TRACK_AR ) & track_mask_filter ) != 0 )
                    continue;

                if( ( track->GetState( TRACK_LOCKED | TRACK_AR ) == 0 ) &&
                    !m_TrackFilterNormal->GetValue() )
                    continue;

                if( ( track->Type() == PCB_VIA_T ) && !m_TrackFilterVias->GetValue() )
                    continue;

                if( ( track->GetLayerSet() & layers_filter ) == 0 )
                    continue;

                itemPicker.SetItem( track );
                pickersList.PushItem( itemPicker );
                track->ViewRelease();
                ratsnest->Remove( track );
                track->UnLink();
                gen_rastnest = true;
            }
        }

        if( pickersList.GetCount() )
            m_Parent->SaveCopyInUndoList( pickersList, UR_DELETED );

        if( m_DelMarkers->GetValue() )
            pcb->DeleteMARKERs();

        if( gen_rastnest )
            m_Parent->Compile_Ratsnest( NULL, true );

        if( m_Parent->IsGalCanvasActive() )
            pcb->GetRatsnest()->Recalculate();

    }

    m_Parent->GetCanvas()->Refresh();
    m_Parent->OnModify();

    EndModal( 1 );
}
