-// -----------------------------------------------------------------------
-// AdvImageFile Property
-// -----------------------------------------------------------------------
-
-class wxMyImageInfo;
-
-WX_DECLARE_OBJARRAY(wxMyImageInfo, wxArrayMyImageInfo);
-
-class wxMyImageInfo
-{
-public:
- wxString m_path;
- wxBitmap* m_pThumbnail1; // smaller thumbnail
- wxBitmap* m_pThumbnail2; // larger thumbnail
-
- wxMyImageInfo ( const wxString& str )
- {
- m_path = str;
- m_pThumbnail1 = (wxBitmap*) NULL;
- m_pThumbnail2 = (wxBitmap*) NULL;
- }
- virtual ~wxMyImageInfo()
- {
- if ( m_pThumbnail1 )
- delete m_pThumbnail1;
- if ( m_pThumbnail2 )
- delete m_pThumbnail2;
- }
-
-};
-
-
-#include <wx/arrimpl.cpp>
-WX_DEFINE_OBJARRAY(wxArrayMyImageInfo);
-
-wxArrayMyImageInfo g_myImageArray;
-
-
-// Preferred thumbnail height.
-#define PREF_THUMBNAIL_HEIGHT 64
-
-
-wxPGChoices wxAdvImageFileProperty::ms_choices;
-
-WX_PG_IMPLEMENT_PROPERTY_CLASS(wxAdvImageFileProperty,wxFileProperty,
- wxString,const wxString&,ChoiceAndButton)
-
-
-wxAdvImageFileProperty::wxAdvImageFileProperty( const wxString& label,
- const wxString& name,
- const wxString& value)
- : wxFileProperty(label,name,value)
-{
- m_wildcard = wxPGGetDefaultImageWildcard();
-
- m_index = -1;
-
- m_pImage = (wxImage*) NULL;
-
- // Only show names.
- m_flags &= ~(wxPG_PROP_SHOW_FULL_FILENAME);
-}
-
-wxAdvImageFileProperty::~wxAdvImageFileProperty ()
-{
- // Delete old image
- if ( m_pImage )
- {
- delete m_pImage;
- m_pImage = (wxImage*) NULL;
- }
-}
-
-void wxAdvImageFileProperty::OnSetValue()
-{
- wxFileProperty::OnSetValue();
-
- // Delete old image
- if ( m_pImage )
- {
- delete m_pImage;
- m_pImage = (wxImage*) NULL;
- }
-
- wxString imagename = GetValueAsString(0);
-
- if ( imagename.length() )
- {
- size_t prevCount = g_myImageArray.GetCount();
- int index = ms_choices.Index(imagename);
-
- // If not in table, add now.
- if ( index == wxNOT_FOUND )
- {
- ms_choices.Add( imagename );
- g_myImageArray.Add( new wxMyImageInfo( m_filename.GetFullPath() ) );
-
- index = g_myImageArray.GetCount() - 1;
- }
-
- // If no thumbnail ready, then need to load image.
- if ( !g_myImageArray[index].m_pThumbnail2 )
- {
- // Load if file exists.
- if ( m_filename.FileExists() )
- m_pImage = new wxImage( m_filename.GetFullPath() );
- }
-
- m_index = index;
-
- wxPropertyGrid* pg = GetGrid();
- wxWindow* control = pg->GetEditorControl();
-
- if ( pg->GetSelection() == this && control )
- {
- wxString name = GetValueAsString(0);
-
- if ( g_myImageArray.GetCount() != prevCount )
- {
- wxASSERT( g_myImageArray.GetCount() == (prevCount+1) );
-
- // Add to the control's array.
- // (should be added to own array earlier)
-
- if ( control )
- GetEditorClass()->InsertItem(control, name, -1);
- }
-
- if ( control )
- GetEditorClass()->UpdateControl(this, control);
- }
- }
- else
- m_index = -1;
-}
-
-bool wxAdvImageFileProperty::IntToValue( wxVariant& variant, int number, int WXUNUSED(argFlags) ) const
-{
- wxASSERT( number >= 0 );
- return StringToValue( variant, ms_choices.GetLabel(number), wxPG_FULL_VALUE );
-}
-
-bool wxAdvImageFileProperty::OnEvent( wxPropertyGrid* propgrid, wxWindow* primary,
- wxEvent& event )
-{
- if ( propgrid->IsMainButtonEvent(event) )
- {
- return wxFileProperty::OnEvent(propgrid,primary,event);
- }
- return false;
-}
-
-wxSize wxAdvImageFileProperty::OnMeasureImage( int item ) const
-{
- if ( item == -1 )
- return wxPG_DEFAULT_IMAGE_SIZE;
-
- return wxSize(PREF_THUMBNAIL_HEIGHT,PREF_THUMBNAIL_HEIGHT);
-}
-
-void wxAdvImageFileProperty::LoadThumbnails( size_t index )
-{
- wxMyImageInfo& mii = g_myImageArray[index];
-
- if ( !mii.m_pThumbnail2 )
- {
-
- if ( !m_pImage || !m_pImage->Ok() ||
- m_filename != mii.m_path
- )
- {
- if ( m_pImage )
- delete m_pImage;
- m_pImage = new wxImage( mii.m_path );
- }
-
- if ( m_pImage && m_pImage->Ok() )
- {
- int im_wid = m_pImage->GetWidth();
- int im_hei = m_pImage->GetHeight();
- if ( im_hei > PREF_THUMBNAIL_HEIGHT )
- {
- // TNW = (TNH*IW)/IH
- im_wid = (PREF_THUMBNAIL_HEIGHT*m_pImage->GetWidth())/m_pImage->GetHeight();
- im_hei = PREF_THUMBNAIL_HEIGHT;
- }
-
- m_pImage->Rescale( im_wid, im_hei );
-
- mii.m_pThumbnail2 = new wxBitmap( *m_pImage );
-
- wxSize cis = GetParentState()->GetGrid()->GetImageSize();
- m_pImage->Rescale ( cis.x, cis.y );
-
- mii.m_pThumbnail1 = new wxBitmap( *m_pImage );
-
- }
-
- if ( m_pImage )
- {
- delete m_pImage;
- m_pImage = (wxImage*) NULL;
- }
- }
-}
-
-void wxAdvImageFileProperty::OnCustomPaint( wxDC& dc,
- const wxRect& rect,
- wxPGPaintData& pd )
-{
- int index = m_index;
- if ( pd.m_choiceItem >= 0 )
- index = pd.m_choiceItem;
-
- //wxLogDebug(wxT("%i"),index);
-
- if ( index >= 0 )
- {
- LoadThumbnails(index);
-
- // Is this a measure item call?
- if ( rect.x < 0 )
- {
- // Variable height
- //pd.m_drawnHeight = PREF_THUMBNAIL_HEIGHT;
- wxBitmap* pBitmap = (wxBitmap*)g_myImageArray[index].m_pThumbnail2;
- if ( pBitmap )
- pd.m_drawnHeight = pBitmap->GetHeight();
- else
- pd.m_drawnHeight = 16;
- return;
- }
-
- // Draw the thumbnail
-
- wxBitmap* pBitmap;
-
- if ( pd.m_choiceItem >= 0 )
- pBitmap = (wxBitmap*)g_myImageArray[index].m_pThumbnail2;
- else
- pBitmap = (wxBitmap*)g_myImageArray[index].m_pThumbnail1;
-
- if ( pBitmap )
- {
- dc.DrawBitmap ( *pBitmap, rect.x, rect.y, FALSE );
-
- // Tell the caller how wide we drew.
- pd.m_drawnWidth = pBitmap->GetWidth();
-
- return;
- }
- }
-
- // No valid file - just draw a white box.
- dc.SetBrush ( *wxWHITE_BRUSH );
- dc.DrawRectangle ( rect );
-}
-
-
projects / wxWidgets.git / blobdiff