// Filename   : preview.cpp
// Last Change: 28-Apr-2014.
//

#include "preview.h"
#define THUMB_W 60
#define THUMB_H 75

// サムネイルパネル
PThumbnailPanel::PThumbnailPanel( wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style ) 
    : wxPanel( parent, id, pos, size, style )
{
    m_parent = (PreviewDialog*)parent;

	wxBoxSizer* bSizer = new wxBoxSizer( wxVERTICAL );
	this->SetBackgroundColour( wxColour( 192, 192, 192 ) );

    wxString thumb = wxGetCwd() + wxFILE_SEP_PATH + wxT("image") + wxFILE_SEP_PATH + wxT("thumbnail.png");
    wxBitmap bmp = wxBitmap( thumb, wxBITMAP_TYPE_PNG );
	
	m_bitmap0 = new wxStaticBitmap( this, wxID_ANY, bmp, wxDefaultPosition, wxSize( THUMB_W, THUMB_H ), 0 );
	bSizer->Add( m_bitmap0, 0, wxALL|wxALIGN_CENTER, 5 );
    m_bitmap0->Connect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick0 ), NULL, this );
	
	m_bitmap1 = new wxStaticBitmap(this, wxID_ANY, bmp, wxDefaultPosition, wxSize( THUMB_W, THUMB_H ), 0 );
	bSizer->Add( m_bitmap1, 0, wxALL|wxALIGN_CENTER, 5 );
    m_bitmap1->Connect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick1 ), NULL, this );
	
	m_bitmap2 = new wxStaticBitmap( this, wxID_ANY, bmp, wxDefaultPosition, wxSize( THUMB_W, THUMB_H ), 0 );
	bSizer->Add( m_bitmap2, 0, wxALL|wxALIGN_CENTER, 5 );
    m_bitmap2->Connect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick2 ), NULL, this );
	
	m_bitmap3 = new wxStaticBitmap(this, wxID_ANY, bmp, wxDefaultPosition, wxSize( THUMB_W, THUMB_H ), 0 );
	bSizer->Add( m_bitmap3, 0, wxALL|wxALIGN_CENTER, 5 );
    m_bitmap3->Connect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick3 ), NULL, this );
	
	m_bitmap4 = new wxStaticBitmap( this, wxID_ANY, bmp, wxDefaultPosition, wxSize( THUMB_W, THUMB_H ), 0 );
	bSizer->Add( m_bitmap4, 0, wxALL|wxALIGN_CENTER, 5 );
    m_bitmap4->Connect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick4 ), NULL, this );
	
	m_bitmap5 = new wxStaticBitmap(this, wxID_ANY, bmp, wxDefaultPosition, wxSize( THUMB_W, THUMB_H ), 0 );
	bSizer->Add( m_bitmap5, 0, wxALL|wxALIGN_CENTER, 5 );
    m_bitmap5->Connect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick5 ), NULL, this );
	
	this->SetSizer( bSizer );
	this->Layout();
}

PThumbnailPanel::~PThumbnailPanel()
{
    m_bitmap0->Disconnect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick0 ), NULL, this );
    m_bitmap1->Disconnect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick1 ), NULL, this );
    m_bitmap2->Disconnect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick2 ), NULL, this );
    m_bitmap3->Disconnect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick3 ), NULL, this );
    m_bitmap4->Disconnect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick4 ), NULL, this );
    m_bitmap5->Disconnect( wxEVT_LEFT_UP, wxMouseEventHandler( PThumbnailPanel::OnClick5 ), NULL, this );
}

// Functions
/* サムネイル表示 */
void PThumbnailPanel::SetFiles( wxArrayString imagefiles, wxArrayString cachefiles )
{
    m_imagefiles = imagefiles;

    wxBitmap bmp;
    bmp.LoadFile( cachefiles[0], wxBITMAP_TYPE_PNG ); m_bitmap0->SetBitmap( bmp );
    bmp.LoadFile( cachefiles[1], wxBITMAP_TYPE_PNG ); m_bitmap1->SetBitmap( bmp );
    bmp.LoadFile( cachefiles[2], wxBITMAP_TYPE_PNG ); m_bitmap2->SetBitmap( bmp );
    bmp.LoadFile( cachefiles[3], wxBITMAP_TYPE_PNG ); m_bitmap3->SetBitmap( bmp );
    bmp.LoadFile( cachefiles[4], wxBITMAP_TYPE_PNG ); m_bitmap4->SetBitmap( bmp );
    bmp.LoadFile( cachefiles[5], wxBITMAP_TYPE_PNG ); m_bitmap5->SetBitmap( bmp );
}
/* 画像クリックで拡大表示 */
void PThumbnailPanel::OnClick0( wxMouseEvent& WXUNUSED(event) ) { Preview( 0 ); }
void PThumbnailPanel::OnClick1( wxMouseEvent& WXUNUSED(event) ) { Preview( 1 ); }
void PThumbnailPanel::OnClick2( wxMouseEvent& WXUNUSED(event) ) { Preview( 2 ); }
void PThumbnailPanel::OnClick3( wxMouseEvent& WXUNUSED(event) ) { Preview( 3 ); }
void PThumbnailPanel::OnClick4( wxMouseEvent& WXUNUSED(event) ) { Preview( 4 ); }
void PThumbnailPanel::OnClick5( wxMouseEvent& WXUNUSED(event) ) { Preview( 5 ); }
void PThumbnailPanel::Preview( int n )
{
    if ( m_imagefiles.GetCount() < n + 1 ) return;
    m_parent->SetPreviewImage( n );
}


////////////////////////////////////////////////////////
// プレビューダイアログ
PreviewDialog::PreviewDialog( wxWindow* parent, wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size, long style ) 
    : wxDialog( parent, id, title, pos, size, style )
{
	wxBoxSizer* bSizerTop = new wxBoxSizer( wxHORIZONTAL );

    m_scrolledWindow = new wxScrolledWindow( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxALWAYS_SHOW_SB );
	m_bitmap = new wxStaticBitmap( m_scrolledWindow, wxID_ANY, wxNullBitmap, wxDefaultPosition, wxDefaultSize, 0 );
	bSizerTop->Add( m_scrolledWindow, 1, wxALL|wxEXPAND, 5 );
	
	wxBoxSizer* bSizerMenu = new wxBoxSizer( wxVERTICAL );
	
    m_thumbPanel = new PThumbnailPanel( this, wxID_ANY, wxDefaultPosition, wxSize( 100, -1 ), wxSUNKEN_BORDER );
	bSizerMenu->Add( m_thumbPanel, 0, wxALL|wxEXPAND, 5 );

	m_buttonPrint = new wxButton( this, ID_PRINT, wxT("印刷"), wxDefaultPosition, wxDefaultSize, 0 );
	bSizerMenu->Add( m_buttonPrint, 0, wxALL, 5 );
	bSizerMenu->Add( 0, 0, 1, 0, 5 );
	
	m_buttonClose = new wxButton( this, wxID_CANCEL, wxT("閉じる"), wxDefaultPosition, wxDefaultSize, 0 );
	m_buttonClose->SetDefault(); 
	bSizerMenu->Add( m_buttonClose, 0, wxALL, 5 );

	bSizerTop->Add( bSizerMenu, 0, wxALL|wxEXPAND, 5 );
	
	this->SetSizer( bSizerTop );
	this->Layout();
}

PreviewDialog::~PreviewDialog()
{
}

// Event Table
BEGIN_EVENT_TABLE( PreviewDialog, wxDialog )
    EVT_BUTTON( ID_PRINT, PreviewDialog::OnPrint )
END_EVENT_TABLE()

#define WIDTH  2480
#define HEIGHT 3509
void PreviewDialog::SetPreviewImage( int n )
{
    int w, h;
    m_scrolledWindow->GetSize( &w, &h );
    h = h * WIDTH / ( w - 200 );

    wxImage img;
    img.LoadFile( m_imagefiles[n], wxBITMAP_TYPE_JPEG );
    wxBitmap bmp( img.Scale( w, h, wxIMAGE_QUALITY_HIGH ) );
    m_bitmap->SetBitmap( bmp );

    m_scrolledWindow->SetScrollbars( 10, 10, 0, h/10 );
    m_preview = m_imagefiles[n];
}

void PreviewDialog::SetFiles( wxArrayString imagefiles, wxArrayString cachefiles )
{ 
    m_imagefiles = imagefiles;
    m_cachefiles = cachefiles;
    m_thumbPanel->SetFiles( m_imagefiles, m_cachefiles );
}

void PreviewDialog::OnPrint( wxCommandEvent& WXUNUSED(envet) )
{
    wxString html;
    html = html + wxT("<html><body>\n");

    wxString tmpjpg = wxGetCwd() + wxFILE_SEP_PATH + wxT("tmp") + wxFILE_SEP_PATH + wxT("preview.jpg");

    wxCopyFile( m_preview, tmpjpg, true );

    html = html + wxT("<img src=\"") + tmpjpg + wxT("\" width=\"750\" height=\"1060\"/>");
    html = html + wxT("</body></html>");

    // start printing
    wxHtmlPrintout hpout( wxT("Searcher03") );
    hpout.SetMargins( 0, 0, 0, 0, 0 );
    wxPrintDialogData pd;
    wxPrinter p( &pd );

    hpout.SetHtmlText( html, wxEmptyString, false );
    p.Print( NULL, &hpout, true );
}