// Filename   : about.cpp
// Last Change: 15-Dec-2014.
//

#include "common.h"
#include "about.h"

AboutDialog::AboutDialog( wxWindow* parent, wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size, long style ) 
    : wxDialog( parent, id, title, pos, size, style )
{
	this->SetSizeHints( wxDefaultSize, wxDefaultSize );
	
	wxBoxSizer* bSizer = new wxBoxSizer( wxVERTICAL );
	
	wxBoxSizer* bSizerOK = new wxBoxSizer( wxHORIZONTAL );
	
    wxString iamge = wxGetCwd() + wxFILE_SEP_PATH + wxT("image") + wxFILE_SEP_PATH + wxT("takashi.png");
    wxBitmap bmp = wxBitmap( iamge, wxBITMAP_TYPE_PNG );
	m_bitmap = new wxStaticBitmap( this, wxID_ANY, bmp, wxDefaultPosition, wxDefaultSize, 0 );
	bSizerOK->Add( m_bitmap, 0, wxALL, 5 );
	
	m_staticTextDesc = new wxStaticText( this, wxID_ANY, wxT("我に自由を！\rLet me free !"), wxDefaultPosition, wxSize( -1, 50 ), 0 );
	bSizerOK->Add( m_staticTextDesc, 0, wxALL|wxALIGN_CENTRE, 5 );
	
	m_buttonOK = new wxButton( this, wxID_OK, wxT("OK"), wxDefaultPosition, wxDefaultSize, 0 );
	m_buttonOK->SetDefault(); 
	bSizerOK->Add( m_buttonOK, 0, wxALL|wxALIGN_BOTTOM, 5 );
	
	bSizer->Add( bSizerOK, 0, wxEXPAND, 5 );

    wxString build;
	m_staticTextBuild = new wxStaticText( this, wxID_ANY, build.Format( wxT("Build with %s\n") wxT("running under %s."), wxVERSION_STRING, wxGetOsDescription().c_str() ), wxDefaultPosition, wxDefaultSize, 0 );
	bSizer->Add( m_staticTextBuild, 0, wxALL, 5 );
	
	m_richText = new wxRichTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxVSCROLL|wxBORDER_NONE|wxWANTS_CHARS );
	bSizer->Add( m_richText, 1, wxEXPAND|wxALL, 5 );
	
	this->SetSizer( bSizer );
	this->Layout();
	
	this->Centre( wxBOTH );

    LoadChangeLog();
}

AboutDialog::~AboutDialog()
{
}

void AboutDialog::LoadChangeLog( void )
{
    wxTextFile textfile;
    textfile.Open( wxGetCwd() + wxFILE_SEP_PATH + wxT("Changes") );
    for ( int i = 0; i < textfile.GetLineCount(); i++ ) {
        if ( textfile[i].StartsWith( wxT("version")) ) {
            m_richText->BeginBold();
            m_richText->BeginFontSize(16);
            m_richText->BeginTextColour( wxColour( 0, 200, 0 ) );
            m_richText->WriteText( textfile[i] );
            m_richText->EndTextColour();
            m_richText->EndFontSize();
            m_richText->EndBold();
        }
        else if ( textfile[i].StartsWith( wxT("20")) ) {    // year
            m_richText->WriteText( wxT("\t\t") );
            m_richText->BeginItalic();
            m_richText->WriteText( textfile[i] );
            m_richText->EndItalic();
            m_richText->Newline();
        }
        else if ( textfile[i].StartsWith( wxT("----")) ) {
            m_richText->WriteText( textfile[i] );
            m_richText->Newline();
        }
        else if ( textfile[i].IsEmpty() ) {
            m_richText->Newline();
        }
        else {
            m_richText->BeginSymbolBullet( '*', 60, 0, wxTEXT_ATTR_BULLET_STYLE_SYMBOL );
            m_richText->WriteText( textfile[i] );
            m_richText->EndSymbolBullet();
            m_richText->Newline();
        }
    }
    textfile.Close();
    m_richText->SetEditable( false );
}