// Filename   : myframe.cpp
// Last Change: 29-Oct-2013.
//
#include "myframe.h"

MyFrame::MyFrame( wxWindow* parent, wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size, long style ) 
    : wxFrame( parent, id, title, pos, size, style )
{
	this->SetSizeHints( wxDefaultSize, wxDefaultSize );
	
	wxGridSizer* gSizer = new wxGridSizer( 0, 3, 0, 0 );
	
	m_textCtrl1l = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, -1 ), 0 );
	gSizer->Add( m_textCtrl1l, 0, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5 );
	
	m_button1 = new wxButton( this, ID_BTN1, wxT("<->"), wxDefaultPosition, wxSize( 50, -1 ), 0 );
	gSizer->Add( m_button1, 0, wxALL|wxALIGN_CENTER_VERTICAL|wxALIGN_CENTER_HORIZONTAL, 5 );
	
	m_textCtrl1r = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, -1 ), 0 );
	gSizer->Add( m_textCtrl1r, 0, wxALL|wxALIGN_CENTER_VERTICAL|wxALIGN_CENTER_HORIZONTAL, 5 );
	
	m_textCtrl2l = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, -1 ), 0 );
	gSizer->Add( m_textCtrl2l, 0, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5 );
	
	m_button2 = new wxButton( this, ID_BTN2, wxT("<->"), wxDefaultPosition, wxSize( 50, -1 ), 0 );
	gSizer->Add( m_button2, 0, wxALL|wxALIGN_CENTER_VERTICAL|wxALIGN_CENTER_HORIZONTAL, 5 );
	
	m_textCtrl2r = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, -1 ), 0 );
	gSizer->Add( m_textCtrl2r, 0, wxALL|wxALIGN_CENTER_VERTICAL|wxALIGN_CENTER_HORIZONTAL, 5 );
	
	m_textCtrl3l = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, -1 ), 0 );
	gSizer->Add( m_textCtrl3l, 0, wxALL|wxALIGN_CENTER_HORIZONTAL|wxALIGN_CENTER_VERTICAL, 5 );
	
	m_button3 = new wxButton( this, ID_BTN3, wxT("<->"), wxDefaultPosition, wxSize( 50, -1 ), 0 );
	gSizer->Add( m_button3, 0, wxALL|wxALIGN_CENTER_VERTICAL|wxALIGN_CENTER_HORIZONTAL, 5 );
	
	m_textCtrl3r = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, -1 ), 0 );
	gSizer->Add( m_textCtrl3r, 0, wxALL|wxALIGN_CENTER_VERTICAL|wxALIGN_CENTER_HORIZONTAL, 5 );
	
	
	this->SetSizer( gSizer );
	this->Layout();
	
	this->Centre( wxBOTH );
}

MyFrame::~MyFrame()
{
}

// Event Table
BEGIN_EVENT_TABLE( MyFrame, wxFrame )
    EVT_BUTTON( ID_BTN1, MyFrame::OnButton1 )
    EVT_BUTTON( ID_BTN2, MyFrame::OnButton2 )
    EVT_BUTTON( ID_BTN3, MyFrame::OnButton3 )
END_EVENT_TABLE()

// Event Handlers & Functions
void MyFrame::OnButton1( wxCommandEvent& WXUNUSED(event) )
{
    Exchange( m_textCtrl1l, m_textCtrl1r, state1 );
    state1 = !state1;
}

void MyFrame::OnButton2( wxCommandEvent& WXUNUSED(event) )
{
    Exchange( m_textCtrl2l, m_textCtrl2r, state2 );
    state2 = !state2;
}

void MyFrame::OnButton3( wxCommandEvent& WXUNUSED(event) )
{
    Exchange( m_textCtrl3l, m_textCtrl3r, state3 );
    state3 = !state3;
}

void MyFrame::InitControl( void )
{
    wxString file = wxT( "Z1400000.dta" );
    m_textCtrl1r->SetValue( file );
    m_textCtrl2r->SetValue( file );
    m_textCtrl3r->SetValue( file );

    wxDir dir( wxGetCwd() );
    if ( !dir.IsOpened() ) return;

    bool cout = dir.GetFirst( &file, wxT("*.dta"), wxDIR_FILES );
    if ( cout ) {
        m_textCtrl1l->SetValue( file );
        cout = dir.GetNext( &file );
    }
    if ( cout ) {
        m_textCtrl2l->SetValue( file );
        cout = dir.GetNext( &file );
    }
    if ( cout ) {
        m_textCtrl3l->SetValue( file );
        cout = dir.GetNext( &file );
    }

    state1 = true;
    state2 = true;
    state3 = true;
}

void MyFrame::Exchange( wxTextCtrl* left, wxTextCtrl* right, bool sw )
{
    wxString from, to;

    if ( sw ) {
        from = wxGetCwd() + wxFILE_SEP_PATH + left->GetValue();
        to   = wxGetCwd() + wxFILE_SEP_PATH + right->GetValue();
        left->SetBackgroundColour( *wxYELLOW );
    }
    else {
        from = wxGetCwd() + wxFILE_SEP_PATH + right->GetValue();
        to   = wxGetCwd() + wxFILE_SEP_PATH + left->GetValue();
        right->SetBackgroundColour( *wxYELLOW );
    }
    Refresh( true, NULL );
    wxRenameFile( from, to, false );
}