/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2018 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 3
 * 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:
 * https://www.gnu.org/licenses/gpl-3.0.html
 * or you may search the http://www.gnu.org website for the version 3 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#include "footprint_tree_pane.h"
#include "fp_tree_synchronizing_adapter.h"

#include <widgets/lib_tree.h>
#include <pcbnew_id.h>
#include <footprint_edit_frame.h>
#include <fp_lib_table.h>
#include <menus_helpers.h>


FOOTPRINT_TREE_PANE::FOOTPRINT_TREE_PANE( FOOTPRINT_EDIT_FRAME* aParent )
        : wxPanel( aParent ),
          m_frame( aParent ),
          m_tree( nullptr )
{
    // Create widgets
    wxBoxSizer* boxSizer = new wxBoxSizer( wxVERTICAL );
    m_tree = new LIB_TREE( this, &GFootprintTable, m_frame->GetLibTreeAdapter(), LIB_TREE::SEARCH );
    boxSizer->Add( m_tree, 1, wxEXPAND, 5 );

    SetSizer( boxSizer );      // should remove the previous sizer according to wxWidgets docs
    Layout();
    boxSizer->Fit( this );

    // Setup right click-context menus
    std::unique_ptr<wxMenu> menuLibrary = std::make_unique<wxMenu>();

    AddMenuItem( menuLibrary.get(), ID_MODEDIT_CREATE_NEW_LIB, _( "&New Library..." ),
                 KiBitmap( new_library_xpm ) );

    AddMenuItem( menuLibrary.get(), ID_MODEDIT_ADD_LIBRARY, _( "&Add Library..." ),
                 KiBitmap( add_library_xpm ) );

    AddMenuItem( menuLibrary.get(), ID_MODEDIT_SAVE, _( "&Save" ),
                 KiBitmap( save_xpm ) );
    AddMenuItem( menuLibrary.get(), ID_MODEDIT_SAVE_AS, _( "Save a Copy &As..." ),
                 KiBitmap( save_as_xpm ) );

    menuLibrary->AppendSeparator();
    AddMenuItem( menuLibrary.get(), ID_MODEDIT_NEW_MODULE, _( "&New Footprint..." ),
                 KiBitmap( new_component_xpm ) );
#ifdef KICAD_SCRIPTING
    AddMenuItem( menuLibrary.get(), ID_MODEDIT_NEW_MODULE_FROM_WIZARD, _( "&Create Footprint from Wizard..." ),
                 KiBitmap( new_component_xpm ) );
#endif
    AddMenuItem( menuLibrary.get(), ID_MODEDIT_IMPORT_PART, _( "&Import Footprint..." ),
                 KiBitmap( import_part_xpm ) );
    AddMenuItem( menuLibrary.get(), ID_MODEDIT_PASTE_PART, _( "Paste Footprint" ),
                 KiBitmap( paste_xpm ) );

    std::unique_ptr<wxMenu> menuPart = std::make_unique<wxMenu>();
    AddMenuItem( menuPart.get(), ID_MODEDIT_EDIT_MODULE, _( "&Edit Footprint" ),
                 KiBitmap( edit_xpm ) );

    menuPart->AppendSeparator();
    AddMenuItem( menuPart.get(), ID_MODEDIT_SAVE, _( "&Save" ),
                 KiBitmap( save_xpm ) );
    AddMenuItem( menuPart.get(), ID_MODEDIT_SAVE_AS, _( "Save &As..." ),
                 KiBitmap( save_xpm ) );
    AddMenuItem( menuPart.get(), ID_MODEDIT_DELETE_PART, _( "&Delete" ),
                 KiBitmap( delete_xpm ) );
    AddMenuItem( menuPart.get(), ID_MODEDIT_REVERT_PART, _( "Revert" ),
                 KiBitmap( undo_xpm ) );

    menuPart->AppendSeparator();
    AddMenuItem( menuPart.get(), ID_MODEDIT_CUT_PART, _( "Cut" ),
                 KiBitmap( cut_xpm ) );
    AddMenuItem( menuPart.get(), ID_MODEDIT_COPY_PART, _( "Copy" ),
                 KiBitmap( copy_xpm ) );

    menuPart->AppendSeparator();
    AddMenuItem( menuPart.get(), ID_MODEDIT_EXPORT_PART, _( "E&xport Footprint..." ),
                 KiBitmap( export_part_xpm ) );

    // Menu displayed when nothing is selected
    std::unique_ptr<wxMenu> menuNoSelection = std::make_unique<wxMenu>();
    AddMenuItem( menuNoSelection.get(), ID_MODEDIT_CREATE_NEW_LIB, _( "&New Library..." ),
                 KiBitmap( new_library_xpm ) );

    AddMenuItem( menuNoSelection.get(), ID_MODEDIT_ADD_LIBRARY, _( "&Add Library..." ),
                 KiBitmap( add_library_xpm ) );

    m_tree->SetMenu( LIB_TREE_NODE::LIBID, std::move( menuPart ) );
    m_tree->SetMenu( LIB_TREE_NODE::LIB, std::move( menuLibrary ) );
    m_tree->SetMenu( LIB_TREE_NODE::INVALID, std::move( menuNoSelection ) );

    // Event handlers
    Bind( COMPONENT_SELECTED, &FOOTPRINT_TREE_PANE::onComponentSelected, this );
    m_tree->Bind( wxEVT_UPDATE_UI, &FOOTPRINT_TREE_PANE::onUpdateUI, this );
}


FOOTPRINT_TREE_PANE::~FOOTPRINT_TREE_PANE()
{
    m_tree->Destroy();
}


void FOOTPRINT_TREE_PANE::Regenerate()
{
    if( m_tree )
        m_tree->Regenerate();
}


void FOOTPRINT_TREE_PANE::onComponentSelected( wxCommandEvent& aEvent )
{
    // Repost the event
    wxCommandEvent evt( wxEVT_COMMAND_TOOL_CLICKED, ID_MODEDIT_EDIT_MODULE );
    // I cannot figure out why the two methods below do not work..
    //wxPostEvent( libEditFrame, evt );
    //wxQueueEvent( m_libEditFrame, new wxCommandEvent( ID_LIBEDIT_EDIT_PART ) );
    m_frame->Process_Special_Functions( evt );

    // Make sure current-part highlighting doesn't get lost in seleciton highlighting
    m_tree->Unselect();
}


void FOOTPRINT_TREE_PANE::onUpdateUI( wxUpdateUIEvent& aEvent )
{
    if( m_frame->GetGalCanvas()->HasFocus() )
    {
        // Don't allow a selected item in the tree when the canvas has focus: it's too easy
        // to confuse the selected-highlighting with the being-edited-on-canvas-highlighting.
        m_tree->Unselect();
    }
}